JP7257600B2 - dishwasher - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dishwasher in which a washing tank is pulled out from a housing to contain and wash dishes.

In the past, most built-in dishwashers used in system kitchens had a washing tank with a front door that could be opened and closed fixed inside the housing. Dishwashers in which a washing tank having a portion is pulled out from a housing to accommodate and wash tableware have become mainstream (see, for example, Patent Document 1).

Further, in the dishwasher disclosed in Patent Document 1, a washing tank having an upper opening for accommodating tableware, a housing supporting the washing tank so that it can be taken in and out in the front-rear direction, and a housing provided outside the washing tank A detergent inlet for introducing detergent into the washing tank and an introduction path for communicating the detergent inlet and the washing tank, wherein the detergent is introduced from the detergent inlet provided at a location independent of the washing tank. There have been some that can surely put the detergent into the washing tank regardless of the size and shape of the tableware put into the washing tank.

Furthermore, in the dishwasher of Patent Document 2, a detergent container is detachably or integrally attached to the inner wall of the washing tank, and the detergent container is provided on the inner wall of the washing tank at approximately the same height as the wash water inlet. Or, by installing it at a higher position than this, there is no risk of detergent spilling, flowing out, or solidifying before the washing of dishes, etc. is started, and dishes, etc. can be washed effectively. exist.

JP-A-2007-135650 JP-A-2000-225087

However, in such a structure of the conventional dishwasher, when the detergent is put in from the upper opening, it flows down into the washing tank. No detergent can be stocked.

Furthermore, when the detergent storage container is provided in the washing tank, the detergent may solidify due to repeated moisture and drying in the washing tank. In addition, if the detergent storage container is provided in the washing tank, the volume of the washing tank will be reduced, so that the space for placing the tableware will be reduced.

To solve the above-mentioned conventional problems, the present invention provides a dishwasher which is easy to use for the user while keeping the detergent in stock outside the washing tank to prevent the solidification of the detergent as much as possible while securing the volume of the washing tank. It is intended to

In order to solve the above-described conventional problems, the dishwasher of the present invention comprises a washing tank having an opening at the top to accommodate tableware, a door covering the front surface of the washing tank, and a front-rear direction of the washing tank. a housing that is supported so as to be able to move in and out of the cleaning tank; a detergent tank that is provided between the outer front of the cleaning tank and the door and stores liquid detergent; and a detergent discharge path that communicates the detergent tank and the cleaning tank. The detergent tank is constructed so that it can be drawn in and out in the horizontal direction while the washing tank is pulled forward by a predetermined distance or more .

The dishwasher of the present invention stores the detergent outside the washing tank to prevent solidification of the detergent as much as possible, and allows the user to easily attach and detach the detergent tank while securing the volume of the washing tank.

FIG. 1 is a schematic side view of a dishwasher with a washing tank pulled out from a housing according to Embodiment 1 of the present invention; FIG. 1 is a schematic front view of a dishwasher in the middle of storing or pulling out a detergent tank according to Embodiment 1 of the present invention. FIG. 1 is a schematic front view of a dishwasher with a detergent tank in Embodiment 1 of the present invention; Schematic side view of another dishwasher with the washing tank pulled out from the housing according to the first embodiment of the present invention. Schematic front view of a dishwasher housing a detergent tank according to Embodiment 2 of the present invention Schematic side view of a dishwasher with a washing tank pulled out from a housing according to Embodiment 2 of the present invention

A first invention comprises a washing tank having an opening at the top and containing tableware, a housing supporting the washing tank so that it can be taken in and out in the front-rear direction, and a liquid detergent provided in front of the outside of the washing tank. A detergent tank for storing detergent and a detergent discharge path connecting the detergent tank and the washing tank are provided. A user can easily attach and detach the detergent tank while preventing solidification as much as possible and securing the volume of the washing tank.

According to a second aspect of the present invention, in the first aspect, the detergent tank is configured so that the detergent tank can be drawn in and out in the left-right direction while the washing tank is pulled forward by a predetermined distance or more, so that the washing tank is attached to the housing. When the detergent tank is completely retracted, the detergent tank is not conspicuous, and a dishwasher with a simple design can be configured. Therefore, a user can easily put in and take out the detergent tank by utilizing the space for storing the detergent tank in front of the washing tank and the lateral space when the washing tank is pulled out from the housing.

According to a third aspect of the present invention, in the first or second aspect, a state in which the washing tank is completely accommodated in the housing is further provided with a detergent tank housing portion for housing the detergent tank outside and in front of the washing tank. , it is possible to construct a dishwasher with a simple design in which the detergent tank is not conspicuous, and the space for storing the detergent tank in front of the outside of the washing tank can be effectively utilized.

In a fourth aspect based on the third aspect, a transparent portion is provided on a side surface of the detergent tank that is visible to the user when the detergent tank is stored in the detergent tank storage portion, and the transparent portion has a transparent portion. By having a scale indicating the amount of detergent, the user can visually check the amount of detergent even when the detergent tank is housed in the detergent tank housing.

In a fifth aspect based on the third or fourth aspect, the detergent tank further has a detergent discharge port for discharging liquid detergent into the detergent discharge path, and the detergent discharge path is connected to the detergent tank storage section. The detergent discharge port is connected to the detergent discharge path when the detergent tank is housed in the detergent tank housing. A path for transferring the detergent from the detergent discharge port to the detergent discharge path can be secured.

According to a sixth aspect, in any one of the first to fifth aspects, the liquid detergent stored in the detergent tank is further provided with a detergent pump for transferring the liquid detergent stored in the detergent tank to the washing tank. can be sucked by a detergent pump and transported into the washing tank. Further, by controlling the drive time of the detergent pump, the necessary amount of liquid detergent can be transferred into the washing tank.

In a seventh aspect based on the sixth aspect, the detergent pump is arranged in the middle of the detergent discharge path so that the liquid detergent stored in the detergent tank is sucked by the detergent pump and passed through the detergent discharge path. can be transferred into the cleaning tank.

According to an eighth invention, in any one of the first to seventh inventions, the cleaning tank further includes an operation unit provided at the outer front upper portion of the cleaning tank for setting the cleaning course and power on/off, thereby enabling the user to easily operate the cleaning tank. The detergent tank can be taken in and out in the left-right direction while operating the operation part from the front and above the .

In a ninth aspect based on the eighth aspect, the detergent tank is accommodated substantially below the operating portion, thereby making it possible to effectively utilize the space outside the front upper portion of the washing tank and the space below it. .

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described with reference to the drawings. It should be noted that the present invention is not limited by this embodiment.

(Embodiment 1)
FIG. 1 is a schematic side view of a dishwasher with a washing tub pulled out from a housing according to Embodiment 1 of the present invention.

FIG. 1 shows a schematic side view of a built-in type dishwasher installed in a system kitchen or the like, in which a washing tub 1 of the dishwasher is pulled out from a housing 2 of the dishwasher.

The washing tank 1 has an opening 1a in the upper part, and a basket 7 for storing tableware 8 is arranged. A first rail 5 is fixed below the cleaning tank 1, and the first rail 5 is moved forward and backward (horizontal direction on the paper surface of FIG. 1) by a second rail 6 fixed to the housing 2. It is supported so that it can be taken in and out from the housing 2 .

A flat portion 23 is arranged in front of the opening portion 1a, which is the outer front upper portion of the washing tank 1. On the flat portion 23, an operation portion 24 for setting the washing course of the dishwasher, power on/off, etc., and the washing status and A display unit 25 for displaying the operation status, time, etc. is arranged. An operation display board (not shown) is arranged on the rear side of the operation unit 24 and the display unit 25 in the plane portion 23 .

A side wall 12 connecting the cleaning tank 1 and the door 3 is arranged on both sides of the cleaning tank 1 and the door 3, and a front space defined by the front side of the cleaning tank 1, the door 3, the side wall 12, and the flat portion 23. It has a part 13 .

The water supply for washing in the washing tank 1 passes through a water supply path such as a water supply hose from a branch faucet on the system kitchen (not shown), and is supplied to the washing tank 1 by a water supply pump, a water supply valve, etc. (not shown). It is configured so that the water level and the required amount of water supply can be achieved.

A circulation pump 9 is arranged outside and below the washing tank 1 to circulate the washing water supplied in the washing tank 1 through a circulation path and jet the washing water from washing nozzles 11 to wash the tableware 8. is configured to allow A heater 10 for heating the washing water is also arranged near the bottom of the washing tank 1 .

In addition, a drainage pump (not shown) for draining the washing water from the washing tank 1 and a drainage path such as a drainage hose are arranged. The cleaning water in the cleaning tank 1 can be drained to a sink of a system kitchen or the like.

A detergent tank housing portion 14 is arranged in a front space portion 13 which is the outside front of the washing tank 1, and the detergent tank housing portion 14 is welded or screwed to one side of the side wall 12 or integrally formed (it should be noted that , the detergent tank housing portion 14 may be attached or configured to the front surface of the washing tank 1 by welding, screwing, integral molding, or the like).

FIG. 2 is a schematic front view of the dishwasher according to Embodiment 1 of the present invention while the detergent tank is being accommodated or pulled out. Moreover, FIG. 3 is a schematic front view of the dishwasher with the detergent tank in the first embodiment of the present invention.

2 and 3, the detergent tank housing portion 14 has a hollow shape, and the detergent tank 15 is inserted into and removed from the detergent tank housing portion 14 in the left-right direction (sideways) when viewed from the front (the front side of the door 3). freely stored. The detergent tank 15 is arranged and housed in the detergent tank housing portion 14 located substantially below the plane portion 23 (or the operation portion 24 or the display portion 25). 2 and 3, the detergent tank 15 is pulled out from the detergent tank housing portion 14 to the right. It may be arranged such that the detergent tank 15 is pulled out leftward from the detergent tank housing portion 14 .

As a result, when the washing tank 1 is completely housed in the housing 2, the detergent tank 15 is not conspicuous, and the dishwasher can be constructed with a simple design. The storage space can be effectively utilized.

As shown in FIG. 1, the detergent tank 15 can be moved in and out of the detergent tank housing 14 in the horizontal direction when the washing tank 1 is pulled forward by a distance a (indicated by the dotted line arrow in FIG. 1). there is A distance a indicates the shortest distance between the mating surfaces of the door 3 and the housing 2 and the surface of the detergent tank housing portion 14 on the washing tank 1 side. That is, the distance a indicates the state when the entirety of the detergent tank housing portion 14 is pulled forward from the frontmost portion of the housing 2 .

As a result, when the washing tank 1 is completely housed in the housing 2, the detergent tank 15 is not conspicuous, and a dishwasher with a simple design can be constructed. a) Since the detergent tank 15 can be put in and taken out only after it has been pulled out, there is a space for storing the detergent tank 15 in front of the washing tank 1 and a horizontal space when the washing tank 1 is pulled out from the housing 2. A user can easily put in and take out the detergent tank 15 by utilizing the space. Note that the distance a is not particularly limited as long as it is defined as the distance at which the detergent tank 15 can be taken in and out in the horizontal direction.

In addition, by having an operation unit 24 which is provided in the outer front upper part of the cleaning tank 1 and which sets the cleaning course and power on/off, the user can operate the operation unit 24 with one hand from the front and above the cleaning tank 1, for example. , the detergent tank 15 can be taken in and out in the horizontal direction with the other hand.

The detergent tank 15 is a bottle-shaped container for storing liquid detergent, and is composed of a detergent tank detergent discharge port 15c, a detergent tank detergent suction path 15d, and a detergent container lid portion 15e.

The detergent tank detergent discharge port 15c, the detergent tank detergent suction path 15d, and the detergent container lid portion 15e are integrally constructed and detachable from the detergent tank 15. Therefore, the detergent container lid portion 15e can be removed from the detergent tank 15. When removed, the detergent tank detergent discharge port 15c and the detergent tank detergent suction path 15d, which are integrally constructed, can also be removed from the detergent tank 15. As shown in FIG. The tip of the detergent tank detergent suction path 15d for suctioning extends to the vicinity of the bottom surface of the detergent tank 15, and is configured to be able to suction until the liquid detergent is almost completely exhausted.

The user can remove the detergent tank 15 from the detergent tank storage part 14 and remove the detergent container lid part 15e from the detergent tank 15 to replenish the detergent tank 15 with the liquid detergent.

As a result, the liquid detergent is stocked outside the washing tank 1 to prevent the solidification of the detergent as much as possible, and the user can easily attach and detach the detergent tank 15 while securing the volume of the washing tank 1. - 特許庁

Further, the detergent tank detergent discharge port 15c is provided with a convex portion 15f projecting laterally from the detergent container lid portion 15e. The detergent tank housing portion 14 is provided with a concave portion 14c that matches the convex portion 15f of the detergent tank detergent discharge port 15c. Storage is complete.

When the concave portion 14c and the convex portion 15f are aligned with each other, the detergent tank 15 is accommodated in the detergent tank accommodating portion 14, thereby transferring the detergent from the detergent tank detergent discharge port 15c to the detergent tank accommodating portion side detergent discharge passage 14b. Moreover, the detergent tank 15 can be stably accommodated in the detergent tank housing portion 14 by fitting the convex portion 15f and the concave portion 14c.

A detergent tank housing portion detergent discharge port 14a is provided in the recess 14c of the detergent tank housing portion 14, and a detergent tank housing portion side detergent discharge path 14b is arranged in the detergent tank housing portion detergent discharge port 14a. A detergent pump 16 is connected to the other end of the detergent tank storage section side detergent discharge path 14b. Path 18 is connected. In other words, the detergent pump 16 is arranged in the middle of the detergent input path between the detergent tank storage section side detergent discharge path 14b and the washing tank side detergent discharge path 18. As shown in FIG.

As a result, the detergent tank 15 has a detergent tank detergent discharge port 15c for discharging the liquid detergent to the detergent tank housing portion side detergent discharge passage 14b, and the detergent tank housing portion side detergent discharge passage 14b is connected to the detergent tank housing portion 14. When the detergent tank 15 is housed in the detergent tank housing portion 14, the detergent tank detergent discharge port 15c is connected to the detergent tank housing portion side detergent discharge path 14b.

A control device 19 is arranged below the front surface of the washing tank 1 ( FIG. 1 ), and is configured to control the driving of the circulation pump 9 , drainage pump, water supply pump (water supply valve), and detergent pump 16 . .

The control device 19 controls the drive rotation speed and drive time of the detergent pump 16 to control the tableware 8.
A necessary amount of liquid detergent is sucked from the detergent tank 15 at the time of washing, and the detergent tank detergent suction path 15d, the detergent tank detergent discharge port 15c, the detergent tank storage part detergent discharge port 14a, the detergent tank storage part side detergent discharge path 14b, the detergent The liquid detergent stored in the detergent tank 15 can be transferred and supplied to the washing tank 1 through the pump 16, the washing tank side detergent discharge path 18, and the washing tank detergent discharge port 17 in order.

FIG. 4 is a schematic side view of another dishwasher with the washing tub pulled out from the housing according to Embodiment 1 of the present invention.

A transparent portion 15a is provided on at least a part of the side surface of the detergent tank 15, which is visible to the user when the detergent tank 15 is stored in the detergent tank storage portion 14, and a scale indicating the amount of detergent is provided on the transparent portion 15a. 15b. As a result, even when the detergent tank 15 is housed in the detergent tank housing portion 14, the user can visually confirm the amount of detergent from the side, so that the user can visually check how the liquid detergent is depleted and when to replenish it. makes it easier to guess.

(Embodiment 2)
FIG. 5 is a schematic front view of a dishwasher with a detergent tank in accordance with Embodiment 2 of the present invention. Moreover, FIG. 6 is a schematic side view of the dishwasher with the washing tank pulled out from the housing according to the second embodiment of the present invention. A description of the configuration that overlaps with that of the first embodiment is omitted.

In FIG. 5, the operation unit 24 and the display unit 25 are arranged on the front upper part of the door 3, and the handle 4 is also recessed toward the inside of the door 3 unlike the protruding handle of the first embodiment. It constitutes a shaped handle 4 .

Also in the present embodiment, the operation unit 24 and the display unit 25 for setting the cleaning course and power ON/OFF are provided in the outer front upper part of the cleaning tank 1 . As a result, the user can move the detergent tank 15 in and out in the horizontal direction while operating the operating portion 24 from above and in front of the washing tank 1 . Either the operation part 24 or the display part 25 may be arranged on the plane part 23 and the other may be arranged on the front upper part of the door 3 (shown in FIG. 6).

The contents described in the first embodiment and the contents described in the second embodiment may be freely combined within the described range.

As described above, the dishwasher according to the present invention stocks the detergent outside the washing tank to prevent the solidification of the detergent as much as possible, and allows the user to easily attach and detach the detergent tank while securing the volume of the washing tank. Therefore, it can be applied to equipment such as washing machines that use detergent.

1 washing tank 1a opening 2 housing 3 door 4 handle 5 first rail 6 second rail 7 basket 8 tableware 9 circulation pump 10 heater 11 washing nozzle 12 side wall 13 front space 14 detergent tank storage 14a detergent Detergent discharge port of tank storage section 14b Detergent discharge path on detergent tank storage section (detergent discharge path)
14c concave portion 15 detergent tank 15a transparent portion 15b scale 15c detergent tank detergent discharge port 15d detergent tank detergent suction path 15e detergent container lid 15f convex portion 16 detergent pump 17 washing tank detergent discharge port 18 washing tank side detergent discharge passage (detergent discharge passage )
19 Control Device 23 Plane Section 24 Operation Section 25 Display Section

Claims (8)

a washing tank having an opening in the upper part and containing tableware;
a door covering the front surface of the cleaning tank;
a housing that supports the cleaning tank so that it can be taken in and out in the front-rear direction;
a detergent tank that is provided between the outer front of the cleaning tank and the door and stores a liquid detergent;
comprising a detergent discharge path that communicates the detergent tank and the washing tank,
The detergent tank is constructed so that it can be taken in and out in the left-right direction while the washing tank is pulled forward by a predetermined distance or more .
dishwasher. 2. The dishwasher according to claim 1 , further comprising a detergent tank housing portion for housing said detergent tank outside said washing tub. 3. The detergent tank according to claim 2 , wherein the detergent tank has a transparent portion on the side thereof which is visible to the user in a state where the detergent tank is housed in the detergent tank housing portion, and the transparent portion has a scale indicating the amount of detergent. dishwasher. The detergent tank further has a detergent discharge port for discharging liquid detergent into the detergent discharge path,
Claim 2 , wherein the detergent discharge path is connected to the detergent tank storage portion, and the detergent discharge port is connected to the detergent discharge path when the detergent tank is stored in the detergent tank storage portion. Or the dishwasher according to 3 . The dishwasher according to any one of claims 1 to 4 , further comprising a detergent pump for transferring liquid detergent stored in said detergent tank to said washing tank. 6. A dishwasher according to claim 5 , wherein the detergent pump is positioned midway along the detergent delivery path. 7. The dishwasher according to any one of claims 1 to 6 , further comprising an operation unit provided on the outer front upper portion of the washing tub for setting the washing course and power on/off. 8. The dishwasher according to claim 7 , wherein said detergent tank is housed substantially below said operating portion.

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