CN204917929U - Check valve admits air - Google Patents
Check valve admits air Download PDFInfo
- Publication number
- CN204917929U CN204917929U CN201520601275.0U CN201520601275U CN204917929U CN 204917929 U CN204917929 U CN 204917929U CN 201520601275 U CN201520601275 U CN 201520601275U CN 204917929 U CN204917929 U CN 204917929U
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- China
- Prior art keywords
- valve block
- check valve
- valve
- block
- breather check
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Abstract
The utility model provides a check valve admits air belongs to check valve technical field. It has solved the non return effect subalternation technical problem of current air current check valve. This check valve admits air includes the body that rubber was made, and the one end of body is the inlet end, and the other end is the end of giving vent to anger, and the inlet port has been seted up to the inlet end of body, and the end of giving vent to anger of body has a valve block no. 1 and valve block no. 2 that the slope set up, and valve block no. 1 and valve block no. 2 adopt all that have that elastic rubber materials makes and the tip of valve block no. 1 and the tip of valve block no. 2 are laminated mutually. The utility model provides a check valve sets up the valve block no. 1 of slope and the mutual laminating that valve block no. 2 can be inseparable to block the airflow channel of inverted draft, effectively prevent gas reflux, guarantee that atmospheric pressure is stable.
Description
Technical field
The utility model belongs to check valve technical field, relates to a kind of breather check valve.
Background technology
Check valve is also known as boiler check valve or non-return valve, of a great variety, is widely used, and makes fluid can only flow to outlet along import by arranging check valve, and can not reverse flow, to meet the demand of one-way flow.
Go out in wine device such as at barrel of beer, wine lance is plugged in barrel of beer, and wine lance is connected with distributing box, and distributing box for controlling the wine outlet valve switch of air flow switch in barrel of beer and wine lance, thus realizes the drinks controlled in barrel of beer and flows out.User pulls the handle on distributing box, band ovable valve stem moves thus makes gas enter in fat through distributing box and wine lance successively, the wine outlet valve simultaneously opened in wine lance makes the drinks in fat extrude, and the air intake structure of distributing box have employed one-way valve structures, to prevent gas backstreaming.
China's patent (notification number: 201834755U; The day for announcing: 2011-05-18) disclose a kind of Keg guiding device, keg has connection oral area; This device comprises body, and body bottom portion has that to connect oral area to keg corresponding and can make the connecting portion that body is connected with keg; Body has and can fill with above-mentioned keg the aeration passage that exhausr port is connected, also be equipped with in body and can fill with above-mentioned keg the drain pipe that leakage fluid dram is connected, body is hinged with Handleset, Handleset is connected with drain pipe, and Handleset drives drain pipe move axially along body and drain pipe can be made to end aeration passage when bar handle assembly.
A kind of aeration passage of distributing box is disclosed in above-mentioned patent documentation, gas enters in aeration passage from admission port, the import of this aeration passage is connected with gaseous tension tank by flexible pipe, the check valve of gas backflow can be prevented by one between the import and flexible pipe of aeration passage, documents does not disclose the concrete structure of this check valve, there is the problems such as leak tightness is not enough in the check valve arranged in distributing box in prior art, the easy reverse leakage of gas.
Summary of the invention
The problems referred to above that the utility model exists for existing technology, provide a kind of breather check valve, technical problem to be solved in the utility model is: the non-return effect how improving Air blow check valve.
The purpose of this utility model realizes by following technical proposal:
A kind of breather check valve, it is characterized in that, described breather check valve comprises the body that rubber is made, one end of described body is inlet end, the other end is outlet side, the inlet end of described body offers induction opening, and the outlet side of described body has the valve block one and valve block two that are obliquely installed, and described valve block one and valve block two all adopt to be had elastomeric elastomeric material and to make and the end of the end of described valve block one and valve block two fits.
Its principle is as follows: this breather check valve is used for the one-way flow of air-flow, in the body of this check valve, there is induction opening, in body, inlet end has admission port, in body, outlet side has air extractor duct, the outlet side of body has the valve block one and valve block two that are obliquely installed, valve block one and valve block two opposite tilt make the end of valve block one and valve block two fit, the air-flow of induction opening is to the binding face flowing of valve block one and valve block two, because valve block one and valve block two have elasticity, under the influence of air pressure, the valve block one fitted and valve block two can be strutted formation gas channel, air-flow can flow out smoothly, valve block one and valve block two are all obliquely installed, the inclined surface of such valve block one and valve block two is as load bearing face, and during gas counter-flow, air-flow is exerted pressure to load bearing face, make valve block one and valve block two bonded to each other more closely, thus blocking the gas channel of inverted draft, reverse air pressure is larger, and it is tighter that valve block one and valve block two are fitted, thus prevent back flow of gas, make this breather check valve reach good one-way conduction effect, effectively prevent gas backstreaming, ensure stable gas pressure.
In above-mentioned breather check valve, described valve block one is symmetrical arranged with described valve block two.The technical program middle valve plate one and valve block two are symmetrical arranged, valve block one is identical with the angle of inclination of valve block two, valve block one is also identical with the area of the inclination load bearing face of valve block two, more uniform and stable when air-flow is exerted pressure to load bearing face, valve block one and valve block two better fit and stop the gas channel of inverted draft.
In above-mentioned breather check valve, described body has ring flange on the inwall of coupling end.The coupling end of body is used for being connected with other parts, when pipeline is plugged on the admission port of this body, can forms sealing layer, thus prevent Leakage Gas with ring flange.
In above-mentioned breather check valve, between the end face of the coupling end of described ring flange and described body, also there is chamfering.Time in the admission port other tube-like piece being arranged on this body, this chamfering plays directional tagging, is convenient to accurate Fast Installation.
In above-mentioned breather check valve, described body has and turns edge along body is radially outer on the lateral wall of coupling end.This breather check valve is when installing and using, and turning edge leans with other plane, and area of contact is large, and good sealing effect, effectively can prevent air-flow adverse current from gap, is convenient to install fixing simultaneously, ensures the fixing of steadiness and the sealing connected.
In above-mentioned breather check valve, described valve block one and the plane of described valve block two for being obliquely installed.Valve block one is convenient to processing with valve block two outside face in the plane tilted.
In above-mentioned breather check valve, alternatively, described valve block one and the cambered surface of described valve block two for being obliquely installed.Valve block one be that cambered surface can have more large-area load bearing face with the outside face of valve block two, and it is more firm that the air pressure of inverted draft makes valve block one and valve block two fit, lift-off seal effect.
In above-mentioned breather check valve, described body, valve block one and valve block two adopt one-body molded.Integrated check valve has the advantages such as structure is firm, good airproof performance, productive costs are low.
Compared with prior art, check valve in the utility model arranges valve block one and the valve block two of inclination, the inclined surface of valve block one and valve block two is as load bearing face, during gas counter-flow, air-flow is exerted pressure to load bearing face, make valve block one and valve block two bonded to each other more closely, thus block the gas channel of inverted draft, reverse air pressure is larger, it is tighter that valve block one and valve block two are fitted, thus prevent back flow of gas, makes this breather check valve reach good one-way conduction effect, effectively prevent gas backstreaming, ensure stable gas pressure.
Accompanying drawing explanation
Fig. 1 is the perspective view one of this breather check valve in embodiment one.
Fig. 2 is the perspective view two of this breather check valve in embodiment one.
Fig. 3 is cutaway view when this breather check valve is in closed state in embodiment one.
Fig. 4 is cutaway view when this breather check valve is in conducting state in embodiment one.
Fig. 5 is cutaway view when this breather check valve is in closed state in embodiment two.
Fig. 6 is cutaway view when this breather check valve is in conducting state in embodiment two.
Fig. 7 is the cutaway view of this breather check valve in embodiment three.
In figure, 1, body; 11, inlet end; 12, outlet side; 13, induction opening; 2, valve block one; 3, valve block two; 4, ring flange; 5, chamfering; 6, turn edge.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1 to Figure 3, this breather check valve comprises the body 1 that rubber is made, one end of body 1 is inlet end 11, the other end is outlet side 12, the inlet end 11 of body 1 offers induction opening 13, the outlet side 12 of body 1 has the valve block 1 and valve block 23 that are obliquely installed, valve block 1 and the plane of valve block 23 for being obliquely installed, valve block 1 and valve block 23 all adopt to be had elastomeric elastomeric material and to make and the end of the end of valve block 1 and valve block 23 fits, and induction opening 13 is towards the binding face with valve block 1 and valve block 23.
As shown in Figures 1 to 4, this breather check valve is used for the one-way flow of air-flow, in the body 1 of this check valve, there is induction opening 13, in body 1, inlet end 11 has admission port, in body 1, outlet side 12 has air extractor duct, the outlet side 12 of body 1 has the valve block 1 and valve block 23 that are obliquely installed, valve block 1 and valve block 23 opposite tilt make the end of valve block 1 and valve block 23 fit, the air-flow of induction opening 13 is to the binding face flowing of valve block 1 and valve block 23, because valve block 1 and valve block 23 have elasticity, under the influence of air pressure, the valve block 1 fitted and valve block 23 can be strutted formation gas channel, air-flow can flow out smoothly, valve block 1 and valve block 23 are all obliquely installed, the inclined surface of such valve block 1 and valve block 23 is as load bearing face, and during gas counter-flow, air-flow is exerted pressure to load bearing face, make valve block 1 and valve block 23 bonded to each other more closely, thus blocking the gas channel of inverted draft, reverse air pressure is larger, and it is tighter that valve block 1 and valve block 23 are fitted, thus prevent back flow of gas, make this breather check valve reach good one-way conduction effect, effectively prevent gas backstreaming, ensure stable gas pressure.
As shown in Figures 2 and 3, valve block 1 and valve block 23 are symmetrical arranged, valve block 1 is identical with the angle of inclination of valve block 23, valve block 1 is also identical with the area of the inclination load bearing face of valve block 23, more uniform and stable when air-flow is exerted pressure to load bearing face, valve block 1 and valve block 23 better fit and stop the gas channel of inverted draft.
As shown in Figure 3, body 1 has ring flange 4 on the inwall of coupling end; Between the end face of the coupling end of ring flange 4 and body 1, also there is chamfering 5.The coupling end of body 1 is used for being connected with other parts, time in the admission port other tube-like piece being arranged on this body 1, chamfering 5 plays directional tagging, is convenient to accurate Fast Installation, ring flange 4 can form sealing layer with the lateral wall of other tube-like piece, prevents Leakage Gas.
The present embodiment middle tube body 1, valve block 1 and valve block 23 adopt one-body molded, have the advantages such as structure is firm, good airproof performance, productive costs are low.
Embodiment two
As shown in Figure 5 and Figure 6, the present embodiment is roughly the same with embodiment one, and difference is, the present embodiment middle tube body 1 has and turns edge 6 along body 1 is radially outer on the lateral wall of coupling end.When installing and using, turning edge 6 leans with other plane, and area of contact is large, and good sealing effect, effectively can prevent air-flow adverse current from gap, is convenient to install fixing simultaneously, ensures the fixing of steadiness and the sealing connected.
Embodiment three
As shown in Figure 7, the present embodiment is roughly the same with embodiment two, difference is, valve block 1 in the present embodiment and the cambered surface of valve block 23 for being obliquely installed, valve block 1 is that cambered surface can have more large-area load bearing face with the outside face of valve block 23, it is more firm that the air pressure of inverted draft makes valve block 1 and valve block 23 fit, lift-off seal effect.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ 1 herein, body; 11, inlet end; 12, outlet side; 13, induction opening; 2, valve block one; 3, valve block two; 4, ring flange; 5, chamfering; 6, to turn edge etc. term, but do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (8)
1. a breather check valve, it is characterized in that, described breather check valve comprises the body (1) that rubber is made, one end of described body (1) is inlet end (11), the other end is outlet side (12), the inlet end (11) of described body (1) offers induction opening (13), the outlet side (12) of described body (1) has the valve block one (2) and valve block two (3) that are obliquely installed, described valve block one (2) and valve block two (3) all adopt to be had elastomeric elastomeric material and to make and the end of the end of described valve block one (2) and valve block two (3) fits.
2. a kind of breather check valve according to claim 1, is characterized in that, described valve block one (2) is symmetrical arranged with described valve block two (3).
3. a kind of breather check valve according to claim 1 and 2, is characterized in that, described body (1) has ring flange (4) on the inwall of coupling end.
4. a kind of breather check valve according to claim 3, is characterized in that, also has chamfering (5) between the end face of the coupling end of described ring flange (4) and described body (1).
5. a kind of breather check valve according to claim 1 and 2, is characterized in that, described body (1) has along radially outer turn edge (6) of body (1) on the lateral wall of coupling end.
6. a kind of breather check valve according to claim 5, is characterized in that, described valve block one (2) and the plane of described valve block two (3) for being obliquely installed.
7. a kind of breather check valve according to claim 5, is characterized in that, described valve block one (2) and the cambered surface of described valve block two (3) for being obliquely installed.
8. a kind of breather check valve according to claim 1 and 2, is characterized in that, described body (1), valve block one (2) and valve block two (3) adopt one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520601275.0U CN204917929U (en) | 2015-08-11 | 2015-08-11 | Check valve admits air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520601275.0U CN204917929U (en) | 2015-08-11 | 2015-08-11 | Check valve admits air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204917929U true CN204917929U (en) | 2015-12-30 |
Family
ID=54967077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520601275.0U Expired - Fee Related CN204917929U (en) | 2015-08-11 | 2015-08-11 | Check valve admits air |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204917929U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107970019A (en) * | 2017-12-29 | 2018-05-01 | 珠海格力电器股份有限公司 | Air intake assembly and dish-washing machine |
| CN110302457A (en) * | 2019-07-09 | 2019-10-08 | 小牛科技河北有限公司 | Check valve, ventilator and intranasal high flow capacity oxygen therapy device |
| CN112657562A (en) * | 2020-12-11 | 2021-04-16 | 浙江省海洋水产研究所 | Multipurpose material storage device for laboratory |
-
2015
- 2015-08-11 CN CN201520601275.0U patent/CN204917929U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107970019A (en) * | 2017-12-29 | 2018-05-01 | 珠海格力电器股份有限公司 | Air intake assembly and dish-washing machine |
| CN110302457A (en) * | 2019-07-09 | 2019-10-08 | 小牛科技河北有限公司 | Check valve, ventilator and intranasal high flow capacity oxygen therapy device |
| CN112657562A (en) * | 2020-12-11 | 2021-04-16 | 浙江省海洋水产研究所 | Multipurpose material storage device for laboratory |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Taizhou City, Zhejiang province 317609 Yuhuan County dragon Township Industrial Zone Patentee after: Taros Holdings Limited Address before: Taizhou City, Zhejiang province 317609 Yuhuan County dragon Township Industrial Zone Patentee before: Yuhuan H&C Brass Part MFG. Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20200811 |