CN109911418B - A thermal insulation bag - Google Patents

Abstract

The invention belongs to the technical field of packaging bags, and particularly relates to a heat-insulating packaging bag which comprises a heat-insulating bag and a handle; the side of handle is equipped with the one-way intake pipe that is located the insulated bag top, and the bottom of insulated bag is equipped with the pouring weight, and links to each other through sealed bullet cloth between the top of pouring weight and the bottom of insulated bag, is equipped with the bullet rope in the insulated bag. When the heat-insulation packaging bag needs to be used, the heat-insulation packaging bag can be cooled or heated according to the use requirement, so that the heat-insulation packaging bag can perform heat insulation or cold insulation work on an article, then the supersaturated solution is solidified and heated or absorbs heat in the process of stirring the supersaturated solution in the supersaturated solution layer through the combined action of the supersaturated solution layer, the inflatable layer, the elastic rope and the spring, the heat-insulation packaging bag can insulate the article in the heat-insulation bag, and meanwhile, the inside and the outside of the heat-insulation bag are isolated through the inflatable layer, so that the effect of performing heat insulation or cold insulation work on the article is further improved.

Description

A thermal insulation bag

technical field

The invention belongs to the technical field of packaging bags, in particular to a thermal insulation packaging bag.

Background technique

Insulation bags, also known as insulation bags, are widely used in the heat preservation and cold preservation of daily items during short-distance carrying because of their high heat insulation and constant temperature effects.

There are also some technical solutions for thermal insulation bags and thermal insulation packaging bags in the prior art. For example, a Chinese patent with an application number of 201710537133.6 discloses a thermal insulation and fresh-keeping packaging bag, which includes an upper bag body and a lower bag body. A seal is provided, and an inner seal is arranged at the connection between the upper bag body and the lower bag body; a fresh-keeping bag is arranged in the lower bag body, and the top opening of the fresh-keeping bag is connected to the connection between the lower bag body and the inner seal, and the fresh-keeping bag is connected to the lower bag body. An insulation layer and a connecting piece are arranged between the bag bodies, and the connecting piece is connected to the side and bottom of the fresh-keeping bag and the lower bag body; an inflatable layer is arranged between the insulation layer and the fresh-keeping bag, and an inflatable valve is arranged on the lower bag body , the inflation valve communicates with the inflation layer.

In the heat preservation and fresh-keeping packaging bag, a fresh-keeping bag is arranged in the lower bag body, so that the fresh-keeping bag is protected by the lower bag body, and a heat preservation layer, an inflatable layer and a connecting piece are arranged between the fresh-keeping bag and the lower bag body, and the connecting piece prevents the fresh-keeping bag from being protected. Shake at will in the lower bag body, the air-filled layer can be filled with gas of appropriate temperature according to needs, and is kept warm by the thermal insulation layer. Set the seal to make it in the form of a courier bag, which can be used as a courier bag with a packaging effect, saving resources, but it is necessary to fill the air layer with a certain temperature of gas during use, so that the heat preservation and fresh-keeping packaging bag can be used for articles. For thermal insulation, but the gas filled into the inflatable layer often has great limitations for thermal insulation, so the thermal insulation and fresh-keeping packaging bag needs to continuously ventilate the gas in the inflatable layer when in use, which increases the complexity of the thermal insulation work. At the same time, the practicability of the heat preservation and fresh-keeping packaging bag in heat preservation work is reduced. Therefore, the present invention proposes a heat preservation packaging bag.

SUMMARY OF THE INVENTION

In order to make up for the deficiencies of the prior art, a thermal insulation packaging bag proposed by the present invention can make the thermal insulation packaging bag suitable for the needs of thermal insulation and cold preservation of articles without filling the thermal insulation gas. The thermal insulation packaging bag can be reused, which further improves the practicability of the thermal insulation packaging bag in thermal insulation of articles.

The technical solution adopted by the present invention to solve the technical problem is as follows: a thermal insulation packaging bag according to the present invention comprises a thermal insulation bag and a handle; The bottom of the heat preservation bag is provided with a weight block, and the top of the weight block and the bottom of the heat preservation bag are connected by a sealed elastic cloth, the heat preservation bag is provided with an elastic rope, and the top of the weight block is connected to the heat preservation bag through a drawstring. The elastic rope in the inner cavity of the bag is connected, and the bottom end of the handle is connected with the top of the annular plate through the elastic rope. The inner cavity of the first bladder located on the upper part of the annular plate is communicated with the inner cavity of the inflatable layer; the outer side of the first bladder is provided with a guide bladder, and the guide bladder and the first bladder share a wall; the guide bladder The body is communicated with the inner cavity of the second bag body through a guide tube provided on the side, and an inflatable layer located on the outer cavity wall of the thermal insulation bag is arranged below the guide bag body, and the outer part of the inflatable layer is fixedly installed with a middle part. The vent plug of the air hole, the inner side of the inflatable layer is provided with a supersaturated solution layer located on the inner cavity wall of the heat preservation bag, the middle part of the supersaturated solution layer is fixedly sleeved with a spring located outside the elastic rope, and the upper and lower sides of the spring are provided. The ends are respectively fixed to the outside of the elastic rope, the bottom of the inner cavity of the heat preservation bag is fixedly installed with a second bag body, and the elastic sheet located at the bottom of the heat preservation bag cavity is provided directly below the second bag body, and the annular plate is directly below The outside of the elastic cord is provided with a diversion scraping tube located in the inner cavity of the first capsule, the diversion scraping tube is communicated with the inner cavity of the one-way return tube, and the one-way return tube penetrates and extends to the first capsule body. It is external and communicates with the inner cavity of the supersaturated solution layer.

Preferably, an elastic plate externally in contact with the spring is fixedly sleeved on the outside of the elastic cord.

Preferably, the elastic plate is located at two-fifth to one-half of the bottom of the elastic cord in the inner cavity of the heat preservation bag, the elastic cord is intermittently connected with the spring, and the top of the spring is located below the first bag body.

Preferably, the left and right sides of the elastic rope are provided with a diversion scraper tube located directly below the annular plate and located in the inner cavity of the first balloon, and one end of the diversion scraper tube away from the elastic rope is fixedly connected with a one-way return pipe The diversion scraping tube makes the supersaturated solution on the outer side of the elastic rope communicate with the inner cavity of the one-way return tube.

Preferably, the upper half of the one-way return pipe is located in the inner cavity of the first balloon body, and the lower half of the one-way return pipe penetrates and extends into the supersaturated solution layer and is connected to the inner cavity of the supersaturated solution layer. Connected.

Preferably, the one-way return pipe can be attached to the wall on the upper cavity wall of the supersaturated solution layer, and the one-way return pipe makes the supersaturated solution located outside the elastic rope in the cavity of the first capsule and the supersaturated solution layer. Internal cavity communicated.

Preferably, the section of the guide scraper tube is semi-trapezoidal and installed in a ring shape, the contact surface between the guide scraper tube and the elastic rope is arc-shaped, and a guide brush may be provided on the contact surface.

The beneficial effects of the present invention are as follows:

1. In the present invention, when the thermal insulation packaging bag needs to be used, the thermal insulation packaging bag can be cooled or heated according to the needs of use, so that the thermal insulation packaging bag can be used for thermal insulation or cold preservation of the article, and then the supersaturated solution layer is passed through the thermal insulation packaging bag. , the combined action of the inflatable layer, the elastic rope and the spring, in the process of stirring the supersaturated solution in the supersaturated solution layer, the supersaturated solution solidifies and generates heat or absorbs heat, so that the heat preservation packaging bag can be used for the heat preservation bag. While the items inside are thermally insulated, the inside and the outside of the thermal insulation bag are isolated by the inflatable layer, which further improves the effect of thermal insulation or cold insulation on the items.

2. In the present invention, by making the elastic rope externally fixed and sleeved with an elastic plate that contacts the spring, the elastic rope is in the process of the moving elastic rope driving the spring to vibrate and stir the supersaturated solution in the supersaturated solution layer. Drive the elastic plate to brush the outside of the spring, and while the elastic plate scrapes and brushes the outside of the spring, the range of motion of the spring is increased, thereby increasing the effect of the spring on the supersaturated solution in the inner cavity of the supersaturated solution layer. The strength of stirring improves the reaction speed of the supersaturated solution in the inner cavity of the supersaturated solution layer. Intermittently connected, and the top of the spring is located below the first bag body, while the elastic plate is stirring the supersaturated solution in the supersaturated solution layer synchronously, the elastic plate scrapes the spring to increase the amount of the spring in the supersaturated solution. The range of motion in the layer, while preventing the reverse restriction of the elastic active space of the spring due to the excessive length of the elastic plate, while saving the inner space of the supersaturated solution layer, further improves the supersaturated solution in the supersaturated solution layer The active space of the solution layer and activity intensity.

3. In the present invention, through the combined action of the diversion scraper tube and the one-way return tube, during the movement of the elastic rope in the first capsule, the supersaturated solution outside the elastic rope first enters under the brushing of the diversion scraper tube. into the diversion scraper tube, and then into the one-way return tube through the diversion scraper tube, and at the same time, by making the lower half of the one-way reflux tube penetrate and extend into the supersaturated solution layer and communicate with the inner cavity of the supersaturated solution layer, Negative pressure is generated between the supersaturated solution introduced into the guide scraper tube through the outside of the elastic rope and the supersaturated solution in the inner cavity of the supersaturated solution layer, which effectively prevents the supersaturated solution in the supersaturated solution layer from passing through the one-way return pipe, The deflector scraper backflow.

4. In the present invention, by making the cross-section of the guide scraping tube a semi-trapezoid and annularly installed, the contact surface between the guide scraping tube and the elastic rope is arc-shaped, and a guide brush can be provided on the contact surface, so that the original After the elastic rope located in the supersaturated solution layer drives the elastic rope into the first capsule body during the upward movement, the contact surface between the guide scraping tube and the elastic rope can brush the supersaturated solution outside the elastic rope, and at the same time The supersaturated solution outside the elastic rope is returned to the supersaturated solution layer through the diversion scraper tube and the one-way return tube. When the elastic rope moves in the first capsule body and rubs against the end of the diversion scraper tube, the brush can resist the bomb. The supersaturated solution on the outside of the rope is brushed and diverted to prevent the elastic rope contaminated with the supersaturated solution from accidentally flowing out of the supersaturated solution during the moving process, and at the same time, the supersaturated solution has the function of backflow.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings.

Fig. 1 is the front view of the present invention;

Fig. 2 is the sectional schematic diagram of the thermal insulation bag in the present invention;

Fig. 3 is the position schematic diagram of the elastic plate in the present invention;

Fig. 4 is about the enlarged view of A in Fig. 2;

Fig. 5 is a schematic diagram of the installation position of the guide scraper and the one-way return pipe in the present invention;

In the picture: 1 insulation bag, 2 handle, 21 one-way air intake pipe, 3 weight block, 31 drawstring, 4 sealed elastic cloth, 5 elastic rope, 6 annular plate, 61 catheter, 7 first bag, 8 guide bag Body, 81 guide tube, 9 gas layer, 10 supersaturated solution layer, 11 spring, 111 elastic plate, 12 second bladder, 13 shrapnel, 141 guide scraping tube, 142 one-way return tube.

Detailed ways

In order to make it easy to understand the technical means, creation features, achieved goals and effects of the present invention, the present invention will be further described below with reference to the specific embodiments.

As shown in Figures 1 to 5, the thermal insulation packaging bag described above includes a thermal insulation bag 1 and a grip 2; 21 is an air intake pipe with a one-way air intake valve fixed externally. The bottom of the heat preservation bag 1 is provided with a weight block 3, and the top of the weight block 3 and the bottom of the heat preservation bag 1 are connected by a sealing elastic cloth 4. The heat preservation bag 1 There is an elastic rope 5 in the middle, the top of the weight block 3 is connected with the elastic rope 5 located in the inner cavity of the thermal insulation bag 1 through the pull rope 31, and the bottom end of the handle 2 is connected with the top of the annular plate 6 through the elastic rope 5. The plate 6 is located in the inner cavity of the first balloon 7, and the side of the first balloon 7 is provided with a catheter 61, and the catheter 61 makes the inner cavity of the first balloon 7 located on the upper part of the annular plate 6 and the inner cavity of the inflatable layer 9 in contact with each other. The outer side of the first bag body 7 is provided with a guide bag body 8, and the guide bag body 8 shares the wall with the first bag body 7; The inner cavity is connected to each other, the guide bag 8 is provided with an inflatable layer 9 located on the outer cavity wall of the thermal insulation bag 1, and the outside of the inflatable layer 9 is fixedly installed with a deflation plug with an air hole in the middle, and the inner side of the inflatable layer 9 is provided with The supersaturated solution layer 10 located in the inner cavity wall of the thermal insulation bag 1, the interior of the supersaturated solution layer 10 is filled with CH3COONa (sodium acetate) solution, and the solution in the supersaturated solution layer 10 is between the upper cavity wall of the supersaturated solution 10 layer There is a cavity for the flow of the solution, while making the present invention realize the functions of heat preservation and cold preservation, a movement space is reserved for the movement of the solution, so as to prevent the solution from colliding with the bottom of the first capsule 7 and accidentally flowing out, causing losses, and the supersaturated solution layer The middle part of 10 is fixedly sleeved with a spring 11 located outside the elastic cord 5, and the upper and lower ends of the spring 11 are respectively fixed to the outside of the elastic cord 5, and the bottom of the inner cavity of the thermal bag 1 is fixedly installed with a second bag 12, and The elastic sheet 13 located at the bottom of the cavity of the heat preservation bag 1 is provided directly below the second bag body 12 , and the diversion scraper tube 141 located in the inner cavity of the first capsule body 7 is provided on the outside of the elastic rope 5 directly below the annular plate 6 . The tube 141 communicates with the inner cavity of the one-way return tube 142, and the one-way return tube 142 penetrates and extends to the outside of the first balloon 7 and communicates with the inner cavity of the supersaturated solution layer 10. When the heat preservation bag 1 is in the inner cavity, the airflow generated by the passive compression of the second bladder 12 is introduced into the guide bladder 8 through the guide tube 81, so that the guide bladder 8 is kept in an expanded state, and at the same time, it is convenient for the first bladder 7 after deformation. , the smoothness of the movement of the annular plate 6 in the first bag body 7 , in the process that the handle 2 drives the annular plate 6 to move in the inner cavity of the first bag body 7 through the elastic rope 5, it moves in the inner cavity of the first bag body 7 The annular plate 6 will compress the inner cavity of the first bag body 7 and generate compressed gas. The gas enters the inflatable layer 9 through the conduit 61 to expand the inflatable layer 9. During the passive inflation and expansion of the inflatable layer 9, the heat preservation bag is kept. 1 is not deformed, and at the same time, a force acting on the weight 3 is generated during the expansion of the inflatable layer 9, so that the weight 3 drives the sealing elastic cloth 4 to stretch and moves downward, and the downward moving weight 3 drives the rope. 31 While exerting downward force on the elastic rope 5, make the spring 11 and the elastic plate 111 The inner cavity of the supersaturated solution layer 10 moves and stirs the supersaturated solution to promote the heating of the supersaturated solution. At the same time, in the process of passive compression of the second capsule body 12, the inner cavity of the thermal insulation bag 1 is expanded to accommodate more The article, by wrapping the sealing elastic cloth 4 around the bottom of the thermal insulation bag 1, prevents the supersaturated solution from accidentally flowing out with the pulling rope 31 when the pull rope 31 drives the weight 3 to move down. When holding the handle 2 to pull the heat preservation bag 1, the elastic rope 5 drives the annular plate 6 to slide in the inner cavity of the first bag body 7 under the action of the pulling force of the handle 2, and at the same time, the elastic rope 5 drives the annular plate 6 to slide over the inner cavity of the first bag body 7. The inner cavity of the saturated solution layer 10 elastically vibrates and agitates the supersaturated solution in the supersaturated solution layer 10, so that the supersaturated solution in the supersaturated solution layer 10 reacts and generates heat.

Preferably, an elastic plate 111 externally in contact with the spring 11 is fixedly sleeved on the elastic cord 5. During the process of the moving elastic cord 5 driving the spring 11 to vibrate and stir the supersaturated solution in the supersaturated solution layer 10, The elastic cord 5 drives the elastic plate 111 to brush the outside of the spring 11, and while the elastic plate 111 scrapes and brushes the outside of the spring 11, the movement range of the spring 11 is increased, thereby increasing the oversaturation of the spring 11. The stirring strength of the supersaturated solution in the inner cavity of the solution layer 10 increases the reaction speed of the supersaturated solution in the inner cavity of the supersaturated solution layer 10 .

Preferably, the elastic plate 111 is located at two-fifth to one-half of the bottom of the elastic cord 5 in the inner cavity of the heat preservation bag 1 , the elastic cord 5 is intermittently connected with the spring 11 , and the top of the spring 11 is located at the bottom of the first bag body 7 . Below, while the elastic plate 111 agitates the supersaturated solution in the supersaturated solution layer 10 synchronously, the elastic plate 111 scrapes the spring 11 to increase the movement range of the spring 11 in the supersaturated solution layer 10, and at the same time Preventing the reverse restriction of the elastic active space of the spring 11 due to the excessive length of the elastic plate 111, while saving the inner space of the supersaturated solution layer 10, the active space and the active strength of the supersaturated solution in the supersaturated solution layer 10 are further improved. At the same time, by making the elastic rope 5 and the spring 11 intermittently connected, and the top of the spring 11 is located below the first bag body 7, when the elastic rope 5 is moved, the spring 11 can be effectively driven to move synchronously. The effectiveness of stirring the supersaturated solution inside the supersaturated solution layer 10, while reserving a certain active space for the movement of the supersaturated solution, reducing the collision between the supersaturated solution and the first capsule 7, and preventing the supersaturated solution from accidentally flowing out .

Preferably, the left and right sides of the elastic cord 5 are provided with a diversion scraper tube 141 located directly below the annular plate 6 and located in the inner cavity of the first bladder 7 . To the return pipe 142, the guide scraping pipe 141 makes the supersaturated solution on the outer side of the elastic rope 5 communicate with the inner cavity of the one-way return pipe 142, so that the supersaturated solution outside the elastic rope 5 is brushed on the end of the guide scraping pipe 141. After moving, it enters the one-way return pipe 142 through the diversion scraping tube 141 in turn, so that the supersaturated solution adhered to the outside of the elastic rope 5 can be effectively exported to prevent the elastic rope 5 from moving up and down in the first capsule body 7. The supersaturated solution adhering to the outside of the elastic cord 5 accidentally flows out.

Preferably, the upper half of the one-way return pipe 142 is located in the inner cavity of the first balloon body 7 , and the lower half of the one-way return pipe 142 penetrates and extends into the supersaturated solution layer 10 and is connected to the inner cavity of the supersaturated solution layer 10 . The cavities are connected, and during the movement of the elastic cord 5 in the first capsule body 7, the supersaturated solution outside the elastic cord 5 first enters the diversion scraper tube 141 under the brushing of the diversion scraper tube 141, and then passes through the diversion scraper tube. 141 is introduced into the one-way return pipe 142, and at the same time, the lower half of the one-way return pipe 142 penetrates and extends into the supersaturated solution layer 10 and communicates with the inner cavity of the supersaturated solution layer 10. Negative pressure is generated between the supersaturated solution inside the diversion scraping tube 141 and the supersaturated solution in the inner cavity of the supersaturated solution layer 10, which effectively prevents the supersaturated solution in the supersaturated solution layer 10 from flowing through the one-way return tube 142 and the supersaturated solution. The scraping tube 141 flows backwards.

Preferably, the one-way return pipe 142 can be attached to the wall of the upper cavity of the supersaturated solution layer 10 , and the one-way return pipe 142 makes the supersaturated solution located outside the elastic rope 5 in the inner cavity of the first capsule 7 and the supersaturated solution The inner cavities of the saturated solution layer 10 communicate with each other. During the movement of the elastic rope 5, the supersaturated solution outside the elastic rope 5 can be returned to the supersaturated solution layer 10 through the guide scraping pipe 141 and the one-way return pipe 142. It can effectively prevent the supersaturated solution adhered to the outside of the elastic rope 5 from accidentally flowing out during the movement of the elastic rope 5, and at the same time, the supersaturated solution adhered to the outside of the elastic rope 5 is timely and effectively exported.

Preferably, the section of the guide scraper tube 141 is a semi-trapezoid and is installed in a ring shape, the contact surface between the guide scraper tube 141 and the elastic rope 5 is arc-shaped, and a guide brush may be provided on the contact surface, so that the After the elastic cord 5 in the supersaturated solution layer 10 drives the elastic cord 5 into the first bag body 7 during the upward movement, the contact surface between the guide scraper tube 141 and the elastic cord 5 can supersaturate the outside of the elastic cord 5 . The solution is brushed, and at the same time, the supersaturated solution outside the elastic rope 5 is returned to the supersaturated solution layer 10 through the diversion scraping pipe 141 and the one-way return pipe 142, and the elastic rope 5 moves in the first capsule 7 and the diversion scraping When the end of the tube 141 is rubbed, the brush can brush and divert the supersaturated solution outside the elastic rope 5, while preventing the elastic rope 5 contaminated with the supersaturated solution from accidentally flowing out of the supersaturated solution during the moving process, The supersaturated solution has the function of reflux.

when working:

First, heat or cool the heat preservation packaging bag according to the needs of the heat preservation and cold preservation work;

As shown in Figure 1-5, open the sealing strip on the top of the thermal insulation bag 1, place the items on the bottom of the cavity of the thermal insulation bag 1, and then seal the opening at the top of the thermal insulation bag 1;

The article enters the inner cavity of the thermal insulation bag 1 and falls on the second bag body 12. The second bag body 12 is passively compressed to free up more storage space for the article, and the gas generated during the passive compression of the second bag body 12 Enter the guide bladder 8 through the guide tube 81, so that the guide bladder 8 is always in an expanded state, and the expanded guide bladder 8 supports the side wall of the first bladder 7, which is convenient for the annular plate 6 in the first bladder 7. the lumen sliding;

Hold the handle 2 to pull the thermal insulation bag 1. When the handle 2 is lifted, under the action of the force transmission of the elastic rope 5 and the turbulent force of the thermal insulation bag 1, the elastic rope 5 drives the annular plate 6 to the first bag body 7 The inner cavity slides up and down, the annular plate 6 compresses the gas in the inner cavity of the first bladder 7 during the up and down movement, the gas in the first bladder 7 enters the inflatable layer 9 through the conduit 61, and the expanded inflatable layer 9 While keeping the shape of the heat preservation bag 1 unchanged, the inner cavity of the heat preservation bag 1 is isolated and insulated, and at the same time, the expansion force of the inflation layer 9 supported by the expansion reacts to the weight 3, so that the weight 3 is driven in the process of moving down. The sealing elastic cloth 4 is stretched to further promote the expansion and deformation of the inflatable layer 9 and the solidification of the supersaturated solution inside the supersaturated solution layer 10. 31 In the process of moving down synchronously with the weight 3, the sealing elastic cloth 4 and the bottom of the heat preservation bag 1 form a sealing ring, and the bottom of the heat preservation bag 1 is sealed to prevent the pull rope 31 from being damaged during the movement of the pull rope 31. Unexpected outflow of supersaturated solution of the outer coating;

As shown in FIG. 2 , in the process of expansion and deformation of the inflatable layer 9, when the pressure in the inflatable layer 9 is too large, a pneumatic pressure will be generated on the deflation plug installed outside the inflatable layer 9, and the excess air flow in the inflatable layer 9 will be When the air release plug is impacted, the air release plug is expanded at the same time, and the excess air flows out through the air hole in the air release plug. When the pressure in the air-filled layer 9 is normal, the air-filled layer 9 does not generate an outward thrust to the air release plug. , so the air hole in the deflation plug is in a closed state, maintaining a sealed state in the inflatable layer 9, and maintaining a stable air pressure environment in the inflatable layer 9;

During the process of the annular plate 6 moving up and down in the first capsule body 7, the elastic rope 5 located in the supersaturated solution layer 10 drives the spring 11 to agitate the supersaturated solution in the supersaturated solution layer 10, and at the same time makes the supersaturated solution layer 10. The supersaturated solution in 10 solidifies, exothermic or endothermic,

When the annular plate 6 moves down in the first bag body 7, the annular plate 6 presses the airflow in the first bag body 7, thereby promoting the passage of the elastic rope 5 attached to the outside of the first bag body 7. The saturated solution enters the one-way return pipe 142 through the guide scraper 141, and finally returns to the supersaturated solution layer 10 through the one-way return pipe 142;

When the article presses the second bag body 12 to deform the second bag body 12, the force of the article simultaneously acts on the elastic sheet 13, so that the elastic sheet 13 is passively compressed and deformed and extends to both ends. The elastic rope 5 that penetrates and is fixed in the middle drives the elastic rope 5 in the supersaturated solution layer 10 to move synchronously. Saturated solution solidifies, exothermic or endothermic;

Further, according to FIG. 3 , in the process that the elastic rope 5 drives the spring 11 to agitate the supersaturated solution in the supersaturated solution layer 10 , the elastic plate 111 can synchronously agitate the supersaturated solution in the supersaturated solution layer 10 . Stirring, at the same time, the elastic rope 5 drives the elastic plate 111 to brush and scrape the spring 11, which further promotes the spring 11 to stir the solution in the supersaturated solution layer 10;

According to Fig. 4-Fig. 5: During the process of moving up and down in the first capsule body 7, the annular plate 6 drives the elastic rope 5 located at the upper end of the supersaturated solution layer 10 to move synchronously. This part of the elastic rope 5 is in the supersaturated solution layer. The upper end of 10 moves between the bottom end of the first capsule body 7, scraping the outside of the elastic rope 5 through the end of the diversion scraping tube 141, and at the same time, the supersaturated solution coated on the outer side of the elastic rope 5 is scraped by the diversion. The pipe 141 enters the one-way return pipe 142, and finally returns to the supersaturated solution layer 10 through the one-way return pipe 142. According to FIG. 4 and FIG. 5, the relative installation positions of the guide scraping pipe 141 and the one-way return pipe 142 There are two ways.

The foregoing has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and the descriptions in the above-mentioned embodiments and the description are only to illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have Various changes and modifications fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. A heat preservation wrapping bag which characterized in that: comprises a heat preservation bag (1) and a handle (2); the side of the handle (2) is provided with a one-way air inlet pipe (21) located at the top end of the heat-insulating bag (1), the bottom of the heat-insulating bag (1) is provided with a heavy block (3), the top of the heavy block (3) is connected with the bottom of the heat-insulating bag (1) through a sealing elastic cloth (4), an elastic rope (5) is arranged in the heat-insulating bag (1), the top of the heavy block (3) is connected with the elastic rope (5) located in the inner cavity of the heat-insulating bag (1) through a pull rope (31), the bottom end of the handle (2) is connected with the top of an annular plate (6) through the elastic rope (5), the annular plate (6) is located in the inner cavity of the first bag body (7), the side of the first bag body (7) is provided with a guide pipe (61), and the guide pipe (61) enables the inner cavity of the first bag body (7) located on the upper portion of the; a guide bag body (8) is arranged on the outer side surface of the first bag body (7), and the guide bag body (8) and the first bag body (7) share the same wall; the one-way air inlet pipe (21) is communicated with the part of the first bag body (7) which is positioned at the upper part of the annular plate (6); the guide bag body (8) is communicated with an inner cavity of the second bag body (12) through a guide pipe (81) arranged on the side surface, an inflating layer (9) positioned on the outer cavity wall of the heat-insulating bag (1) is arranged below the guide bag body (8), an air release plug with an air hole arranged in the middle is fixedly arranged on the outer portion of the inflating layer (9), a supersaturated solution layer (10) positioned on the inner cavity wall of the heat-insulating bag (1) is arranged on the inner side of the inflating layer (9), a spring (11) positioned on the outer portion of the elastic rope (5) is fixedly sleeved in the middle of the supersaturated solution layer (10), the upper end and the lower end of the spring (11) are fixedly connected with the outer portion of the elastic rope (5) respectively, the second bag body (12) is fixedly arranged at the bottom of the inner cavity of the heat-insulating bag (1), an elastic sheet (13) positioned at the bottom of the heat-insulating bag (1) is arranged under the second bag body (12), a guide pipe scraping pipe (141) positioned in the inner cavity of the first bag, the diversion scraping pipe (141) is communicated with the inner cavity of the one-way return pipe (142), and the one-way return pipe (142) penetrates out of the first bag body (7) and extends to the outside of the first bag body and is communicated with the inner cavity of the supersaturated solution layer (10).

2. The heat-insulating packaging bag according to claim 1, wherein: the elastic plate (111) which is externally contacted with the spring (11) is fixedly sleeved outside the elastic rope (5).

3. The heat-insulating packaging bag according to claim 2, characterized in that: the elastic plate (111) is located two fifths to one half of the bottom of the elastic rope (5) in the inner cavity of the heat-preservation bag (1), the elastic rope (5) is discontinuously connected with the spring (11), and the top end of the spring (11) is located below the first bag body (7).

4. The heat-insulating packaging bag according to claim 1, wherein: the left and right sides of bullet rope (5) is equipped with and is located under annular plate (6) and is located the water conservancy diversion of first utricule (7) inner chamber and scrapes pipe (141), the water conservancy diversion is scraped the one end that pipe (141) kept away from bullet rope (5) and is linked firmly one-way back flow (142), the water conservancy diversion is scraped pipe (141) and is made the supersaturated solution of bullet rope (5) lateral surface and the inner chamber of one-way back flow (142) communicate with each other.

5. The heat-insulating packaging bag according to claim 4, wherein: the upper half part of the one-way return pipe (142) is positioned in the inner cavity of the first capsule body (7), and the lower half part of the one-way return pipe (142) penetrates through and extends into the supersaturated solution layer (10) and is communicated with the inner cavity of the supersaturated solution layer (10).

6. The heat-insulating packaging bag according to claim 1, wherein: the one-way return pipe (142) can be arranged on the wall of the upper part of the supersaturated solution layer (10) in a wall-attaching manner, and the supersaturated solution outside the elastic rope (5) in the inner cavity of the first bag body (7) is communicated with the inner cavity of the supersaturated solution layer (10) through the one-way return pipe (142).

7. The heat-insulating packaging bag according to claim 4, wherein: the cross section of the diversion scraper tube (141) is in a half-trapezoid shape and is installed in an annular shape, the contact surface of the diversion scraper tube (141) and the elastic rope (5) is arc-shaped, and a diversion brush can be arranged on the contact surface.

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