CN2575391Y - Automatic valve for water-supply of solar water heater - Google Patents
Automatic valve for water-supply of solar water heater Download PDFInfo
- Publication number
- CN2575391Y CN2575391Y CN 02253749 CN02253749U CN2575391Y CN 2575391 Y CN2575391 Y CN 2575391Y CN 02253749 CN02253749 CN 02253749 CN 02253749 U CN02253749 U CN 02253749U CN 2575391 Y CN2575391 Y CN 2575391Y
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- CN
- China
- Prior art keywords
- valve
- valve port
- port
- pressure
- inclined plane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 230000001681 protective effect Effects 0.000 claims abstract description 8
- 210000001364 upper extremity Anatomy 0.000 claims description 12
- 230000005494 condensation Effects 0.000 claims description 6
- 238000009833 condensation Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 230000003712 anti-aging effect Effects 0.000 claims description 4
- 230000009967 tasteless effect Effects 0.000 claims description 3
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 abstract description 3
- 238000009825 accumulation Methods 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 5
- 238000004320 controlled atmosphere Methods 0.000 description 3
- 230000003020 moisturizing effect Effects 0.000 description 3
- 229920011532 unplasticized polyvinyl chloride Polymers 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 206010021036 Hyponatraemia Diseases 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Landscapes
- Safety Valves (AREA)
Abstract
The utility model belongs to the technical field of refrigeration and air regulation refrigeration, which is mainly used in sealing storehouses or containers with variable air pressures, limits and presses the conduction of inner air and outer air, and protects the safe use of the storehouses or the containers. The utility model provides a V-shaped inclined plane elastic valve port, which is characterized in that the V-shaped inclined plane elastic valve port reduces the error of opening pressure to less than 10 Pa when the sealing surfaces of a valve port and a valve sheet are wet or are condensed with water. Compared with the error of the opening pressure of a non-deformable plane valve port of the prior art with more than 150 Pa, the error precision of the opening pressure of the V-shaped inclined plane elastic valve port is increased by more than 14 times, and simultaneously the air tightness of a valve body is enhanced. The utility model is characterized in that the upper edge of the V-shaped inclined plane elastic valve port is thin, and the root of the V-shaped inclined plane elastic valve port is thick; the V-shaped inclined plane elastic valve port is contacted with a plane valve sheet to form an annular surface; the width of the annular surface is dynamically changed as the inner pressure of the valve body changes; the V-shaped inclined plane elastic valve port eliminates the overcome vacuum force of the plane valve port and the plane valve sheet when vertically opened. The utility model has the advantages of no water accumulation around the valve sheet, replaceable valve port, high opening error precision and reliability, and long service life. In addition, the upper part of the valve body is provided with a dustproof cover, and the lower part of the valve body is provided with a protective net.
Description
Technical field the utility model belongs to refrigeration and controlled atmosphere cold storage field, is mainly used in modified atmosphere fresh-keeping storage, the controlled atmosphere grain depot, and refrigerated warehouse, airtight storehouse or containers such as controlled atmosphere experimental box, the inside and outside gas of pressure limiting conducting storehouse or container protects its storehouse body or vessel safety to use.General working pressure is controlled at 100～200Pa.
The safety valve that technical background uses at present in the art mainly contains two kinds: a kind of is to utilize water-head level pressure and sealing, when positive negative pressure surpasses this pressure difference in Ku Nei or the container, and the inside and outside gas of conducting storehouse or container.This kind safety valve uses comparatively general, but shortcoming is: often have outside water spray or moisture constantly to evaporate, cause the level pressure out-of-control phenomenon.Must often make an inspection tour moisturizing, the loaded down with trivial details inconvenience of operational administrative for this reason; Another kind is with valve block deadweight level pressure and sealing, when Ku Nei or the positive and negative variation of container pressure are transfinited, and the inside and outside gas of conducting, this safety valve is inaccurate and airtight bad because of pressure limiting, and there be limited evidence currently of uses.Its problem that mainly exists is: at first, this valve port and valve block are non deformable belt horizontal plane sealing, because of safety valve is contained in storehouse body or outside of containers normal temperature environment, pipeline is connected with storehouse body or container, inside and outside relative moisture of safety valve and temperature, because the variation of environment and storehouse body are different with serviceability temperature in the container, the big temperature difference is often arranged, (85-98% in Ku Nei or the container) is higher for relative moisture, so between valve block and sealing valve port face water of condensation is often arranged, cause the valve block vertical unlocking, the unlatching error of still needing and overcoming area vacuum power＞150Pa between sealing causes storehouse body or container to have unsafe hidden danger.Secondly, when dilutional hyponatremia is coagulated on valve block top, flood valve block, also can increase the unlatching pressure reduction of valve block, increase the weight of unsafe hidden danger.Once more, valve block and valve port are non-deformable plane sealing, are attached between the sealing surface as dust and particle, make whole each plane sealing not tight, are difficult to guarantee the tightness of safety valve.
The summary of the invention the purpose of this utility model is to provide a kind of " V " type inclined-plane elasticity valve port minute-pressure safety valve, reduce the error＜10Pa of setting pressure and cracking pressure greatly, improve the tightness of safety valve again, satisfied the usage requirement of storehouse body or container, and improved safety reliability.
Based on the foregoing invention purpose, the utility model minute-pressure safety valve, design and installation is in storehouse body or outside of containers normal temperature environment, and its characteristics are: it is made up of upper valve core, lower valve core, valve body, dust-proof cover, protective net, connecting screw.Wherein: upper valve core and lower valve core are identical, connect to form by valve port, valve block, valve port seat, valve port pressure ring, hurdle, valve block location, screw.Described valve port is a ring-type, and the centre is a gas channel, cuts sealing surface on the diameter open and is " V " type inclined-plane, the thin root of upper limb is thick, made by elasticity, water resistence, anti-aging, nonpoisonous and tasteless material, valve port bottom flange is set between valve port seat and the valve port pressure ring, and connecting screw steps up to make it sealing; Valve block is circular smooth flat, and intensity is good indeformable, and diameter is a bit larger tham valve port upper limb diameter, outside by on hurdle, the four column type valve block location cover, connecting screw is fastening, makes valve block on the valve port and free vertical take off and landing (VTOL) on same axis, i.e. conducting or close the gas passageway.Upper valve core and lower valve core are loaded on Three way type valve body upper and lower respectively, valve port seat end face and valve interior wall adhering and sealing, when installing, valve body middle part interface communicates with storehouse body or container, there is a water of condensation row mouth upper surface of upper valve core valve port seat and valve body intersection, the upper surface of lower valve core valve port seat is higher than interface lower edge, valve body middle part, in order to getting rid of water of condensation, dust-proof cover is contained in valve body top, prevent from direct dust fall from valve block, increasing weight and influence to set exhaust pressure, protective net is contained in the lower valve core bottom, prevent that big floating debris from sucking in the valve port, is not closed completely valve port.
" V " type inclined-plane elasticity valve port of the utility model design, valve block contacts ring surface with valve port, dynamically change with the change of valve body internal pressure, last valve block top and lower valve bottom are atmospheric pressure, equal 0 as the reference constant, last valve block bottom and lower valve top are the valve internal pressure, change with storehouse body and container inner pressure.When gas pressure equates about the valve block, because the thin root of valve port upper limb is thick to be gradual change, the valve block deadweight on top approximates the elastic force of top edge in the valve port, keep equilibrium of forces, form between valve block and valve port and contact annular sealing surface closely, even adhere to tiny grit between sealing surface once in a while, the grit periphery still can seal.When the valve internal pressure greater than the valve pressure outside and when constantly increasing, last valve block lifts thereupon, the annular sealing surface width from inside to outside narrows down thereupon, when valve block reaches the valve port upper limb, is valve block and sets the pilot pressure value, determine by valve block weight, the valve internal pressure continues to increase, and valve block is opened gas and discharged, at this moment, lower valve annular sealing surface width strengthens, and closes tighter.Otherwise when the valve internal pressure reduces gradually and reaches valve block and set pilot pressure when following, last valve block begins to close; When the valve internal pressure less than the valve pressure outside and when constantly reducing, lower valve upwards lifts thereupon, the annular sealing surface width from inside to outside narrows down thereupon, when valve block reaches the valve port upper limb, be lower valve and set the pilot pressure value, the valve internal pressure continues to reduce, gas sucked when valve block was higher than valve port, at this moment, last valve block annular sealing surface width strengthens, and closes tighter.Circulation and so forth reaches the qualification malleation and discharges gas and negative pressure suction gas and protect storehouse body or container purpose safe in utilization.
Compared with prior art, advantage of the present utility model is: at first, adopt after " V " shape inclined-plane elasticity valve port, reduced the unlatching error of setting pressure greatly, existing like product is opened error greater than 150Pa, and adopts the utility model to be reduced to less than 10Pa.Tightness, Security and the reliability of safety valve have been improved simultaneously.Secondly, water of condensation is not deposited on valve block top, the hidden danger of having avoided ponding too much to bring; And valve port is replaceable, has prolonged the working life of safety valve relatively.Once more, the utility model is compared with existing water-sealed type safety valve, does not need frequent tour, moisturizing, operational administrative, has avoided the hidden danger that manual operation is untimely and error brings.
The description of drawings Figure of description is the cross-sectional view of facing of the utility model minute-pressure safety valve.
1 is valve port, and 2 is valve block, and 3 is the valve port seat, and 4 is the valve port pressure ring, and 5 is hurdle, valve block location, and 6 is protective housing, and 7 is screw, and 8 is valve body, and 9 is dust-proof cover, and 10 are water of condensation row mouth.P
0For the outer barometric pressure masterpiece of safety valve equals 0 with reference to constant; P
SFor valve block is set the pilot pressure value; P is (be or container interior) change pressure value in the safety valve in the storehouse in.
The utility model Micropressure safety valve, design and installation in storehouse body or outside of containers normal temperature environment, its characteristics Be: it is made up of upper valve core, bottom spool, valve body 8, dust cover 9, protection network 6, connecting screw 7. Wherein: upper valve core and bottom spool are identical, by valve port 1, valve block 2, valve port seat 3, valve port pressure ring 4, Valve block positioning rail 5, screw 7 connect to form. Described valve port 1 is ring-type, and the centre is gas passage, on the diameter Cut sealing surface open and be " V " type inclined-plane, the thin root of upper limb is thick, by elasticity, resistance to water, anti-aging, nontoxic nothing The flavor material is made, and valve port 1 bottom flange is set between valve port seat 3 and the valve port pressure ring 4, and connecting screw 7 adds Tightly make it sealing; Valve block 2 is circular smooth flat, and intensity is good indeformable, and diameter is a bit larger tham the valve port upper limb Diameter, outside by on four-column type valve block positioning rail 5 covers, connecting screw 7 is fastening, makes valve block 2 at valve port 1 Upper and free VTOL on same axis, i.e. conducting or close the gas passage. Upper valve core and bottom spool branch Be not loaded on three way type valve body 8 internal upper parts and bottom, valve port seat 3 end faces and valve body 8 inwall adhering and sealings, valve When installing, body 8 middle part interfaces communicate the upper surface of upper valve core valve port seat 3 and valve body 8 phases with storehouse body or container Friendship place has a condensate water row mouth 10, and the upper surface of bottom spool valve port seat 3 is higher than edge under the valve body 8 middle part interfaces, In order to getting rid of condensate water, dust cover 9 is contained in valve body 8 tops, prevents that direct dust fall from increasing weight and shadow on valve block Ring and set pressure at expulsion, protection network 6 is contained in the bottom spool bottom, prevents that big floating thing from sucking in the valve port 1, Valve port 1 is not closed completely.
" V " type inclined-plane elasticity valve port of the utility model design, valve block 2 contacts ring surface with valve port 1, is to change with valve body 8 internal pressure P dynamically to change, and valve is outward atmospheric pressure P0, be pressure P in the valve, with the storehouse Body and container inner pressure and change. Work as P=P0The time, be gradual change owing to the thin root of valve port 1 upper limb is thick, valve block 2 Deadweight approximates the elastic force of top edge in the valve port 1, keeps equilibrium of forces, and it is indirect with valve port 1 to form valve block 2 Touch closely annular sealing surface, even adhere to once in a while tiny grit between sealing surface, the grit periphery still can seal. As P＞P0And when constantly increasing, upper valve block 2 lifts thereupon, and the annular sealing surface width from inside to outside narrows down thereupon, when upper valve block 2 reaches valve port 1 upper limb, is valve block 2 setup control pressure value PS, by valve block 2 weight Determine that the P value continues to increase, valve block 2 is opened gas and is discharged, and at this moment, lower disc 2 annular sealing surface width add Greatly, close tighter. Otherwise, work as P=PSThe time, upper valve block 2 begins to close; As P＜P0And when constantly reducing, lower disc 2 upwards lifts thereupon, and the annular sealing surface width from inside to outside narrows down thereupon, when valve block reaches the valve port upper limb, is lower disc setup control force value-PS, P continues to reduce, gas when lower disc 2 leaves valve port 1 Body sucks, and at this moment, upper valve block 2 annular sealing surface width strengthen, and close tighter. Circulation reaches and so forth To limiting malleation PSExhaust Gas and negative pressure-PSSuck gas, make maintenance-P in storehouse body or the containerS≤P≤P
SLimit The full working pressure in Dingan County.
The utility model has the advantage of: at first, adopt after " V " shape inclined-plane elasticity valve port, greatly reduce The unlatching error of setting pressure, existing like product is opened error＞150Pa, and adopts the utility model to subtract Little arriving＜10Pa. Air-tightness, the safety and reliability of safety valve have been improved simultaneously. Secondly, valve block top Do not deposit condensate water, the hidden danger of having avoided ponding too much to bring; And valve port is replaceable, relatively prolongs The service life of safety valve. Again, the utility model is compared with existing hydrolock safety valve, do not need through Normal tour, moisturizing, operational administrative have been avoided the hidden danger that manual operation is untimely and error brings.
Embodiment the utility model minute-pressure safety valve, compressive strength＞1000Pa gets final product, and application controls pressure is generally 100～200Pa at present.Making material selects mainly to satisfy: humidity, anti-aging, in light weight, intensity is higher (having only valve port requirement good springiness), nontoxic, tasteless and adopt standard piece as far as possible.Valve body has adopted UPVC draining reducing tee φ 160 * 110, and dust-proof cover has adopted the microwave oven plastic disk, and protective net has adopted small-sized fans to cross the network protective net, and screw has adopted standard to cross zinc or STAINLESS STEEL SELF TAPPING SCREWS.Valve block, valve port seat, valve port pressure ring, hurdle, valve block location can adopt UPVC sheet material and bar machining, also can adopt Mold Making.Valve port can adopt rubber material, Mold Making.
When the utility model minute-pressure safety valve is installed, valve body middle part interface and the UPVC pipe of wearing storehouse body wall or wearing container wall are pegged graft, perform the bonding and sealing of interface, notice that simultaneously regulation valve body is two-way vertical, can come into operation after firmly with glue.
Claims (3)
1. " V " type inclined-plane elasticity valve port minute-pressure safety valve, by upper valve core, lower valve core, valve body, dust-proof cover, protective housing, connecting screw is formed, described upper valve core and lower valve core are identical, by valve port, valve block, the valve port seat, the valve port pressure ring, the valve block location is blocked with screw and is connected to form, on, lower valve core is loaded on respectively in the Three way type valve body by the upper and lower, and with the inwall adhering and sealing, valve body middle part interface communicates with storehouse body or container, it is characterized in that: described valve port is " V " type ring-type inclined-plane, the thin root of valve port upper limb is thick, valve port bottom flange is set between valve port seat and the valve port pressure ring and is tightly connected, the rounded smooth plates formula of described valve block, the valve block diameter is a bit larger tham valve port upper limb diameter, valve block and valve port coaxial line and free vertical take off and landing (VTOL) on valve port, described valve block location is blocked with the valve port seat and is fastenedly connected by screw, and there is a water of condensation row mouth upper surface of described upper valve core valve port seat and valve body intersection, and the upper surface of lower valve core valve port seat is higher than interface lower edge, valve body middle part.
2. safety valve according to claim 1 is characterized in that: described valve port is made by elasticity, water-fast, anti-aging, nonpoisonous and tasteless material.
3. safety valve according to claim 1 and 2 is characterized in that: described dust-proof cover and protective housing are loaded on valve body top and bottom respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02253749 CN2575391Y (en) | 2002-09-10 | 2002-09-10 | Automatic valve for water-supply of solar water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02253749 CN2575391Y (en) | 2002-09-10 | 2002-09-10 | Automatic valve for water-supply of solar water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2575391Y true CN2575391Y (en) | 2003-09-24 |
Family
ID=33722804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02253749 Expired - Fee Related CN2575391Y (en) | 2002-09-10 | 2002-09-10 | Automatic valve for water-supply of solar water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2575391Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563151A (en) * | 2011-12-31 | 2012-07-11 | 江苏省长江公路大桥建设指挥部 | Automatic overpressure exhaust valve |
| CN101802505B (en) * | 2007-08-17 | 2013-11-20 | 西门子工业公司 | Pressure control with coarse and fine adjustment |
| CN114263764A (en) * | 2021-12-30 | 2022-04-01 | 博耐尔汽车电气系统有限公司 | Sealing element for valve body and mounting method thereof |
-
2002
- 2002-09-10 CN CN 02253749 patent/CN2575391Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101802505B (en) * | 2007-08-17 | 2013-11-20 | 西门子工业公司 | Pressure control with coarse and fine adjustment |
| CN102563151A (en) * | 2011-12-31 | 2012-07-11 | 江苏省长江公路大桥建设指挥部 | Automatic overpressure exhaust valve |
| CN114263764A (en) * | 2021-12-30 | 2022-04-01 | 博耐尔汽车电气系统有限公司 | Sealing element for valve body and mounting method thereof |
| CN114263764B (en) * | 2021-12-30 | 2023-11-07 | 博耐尔汽车电气系统有限公司 | Sealing element for valve body and installation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |