CN210770443U - Plastic gas one-way valve - Google Patents
Plastic gas one-way valve Download PDFInfo
- Publication number
- CN210770443U CN210770443U CN201921084127.0U CN201921084127U CN210770443U CN 210770443 U CN210770443 U CN 210770443U CN 201921084127 U CN201921084127 U CN 201921084127U CN 210770443 U CN210770443 U CN 210770443U
- Authority
- CN
- China
- Prior art keywords
- pipe joint
- check valve
- coupling
- gas check
- plastic gas
- 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
- 239000004033 plastic Substances 0.000 title claims abstract description 25
- 229920003023 plastic Polymers 0.000 title claims abstract description 25
- 230000008878 coupling Effects 0.000 claims abstract description 12
- 238000010168 coupling process Methods 0.000 claims abstract description 12
- 238000005859 coupling reaction Methods 0.000 claims abstract description 12
- 238000010030 laminating Methods 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 4
- 238000001746 injection moulding Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Check Valves (AREA)
Abstract
The utility model provides a gaseous check valve of plastics, including the upper part of the body, the lower part of the body and case, upper part of the body upper surface is connected with first coupling, and side surface edge is equipped with a fixed buckle, lower surface of the body is connected with the second coupling, and the side surface is equipped with fixed arch, the lower part of the body cup joints in the upper part of the body to the joint through fixed arch and fixed buckle links together, the case is installed internally under, and the laminating of top and upper part of the body is sealed, the spring has been cup jointed in the case outside. The utility model discloses beneficial effect: the upper body and the lower body are sealed through an O-shaped rubber ring and clamped through a fixing buckle and a fixing bulge, the spring is sleeved on the valve core and is responsible for resetting the valve core, the second pipe joint is connected with the air inlet manifold, when negative pressure exists in the air inlet manifold, the negative pressure enables the spring to compress the valve core and separate from the binding sheet of the upper body, and air can enter the air inlet manifold from the first pipe joint; the device is simple in structure, easy to disassemble and high in practicability.
Description
Technical Field
The utility model belongs to the technical field of the valve, especially, relate to a gaseous check valve of plastics.
Background
The gas check valve is a check valve in a gas circuit mode, can control gas to flow to a control valve in one direction, and mainly comprises a valve cover, a valve seat, a valve core and a spring.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention is directed to a plastic gas check valve to solve the above-mentioned problems.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the utility model provides a gaseous check valve of plastics, includes the upper part of the body, the lower part of the body and case, the upper part of the body upper surface is connected with first coupling, and side surface edge is equipped with a fixed buckle, the lower part of the body lower surface is connected with the second coupling, and the side surface is equipped with fixed arch, the lower part of the body cup joints in the upper part of the body to link together through the joint of fixed arch and fixed buckle, the case is installed under internal, and the laminating of top and upper part of the body is sealed, the spring has been cup jointed in the case outside.
Further, the ends of the upper body and the lower body are hermetically connected through an O-shaped rubber ring.
Further, the second pipe joint is connected with an intake manifold.
Furthermore, the upper body, the first pipe joint and the fixing buckle are integrally formed by injection molding and are made of plastic materials.
Furthermore, the lower part of the body, the second pipe joint and the fixing protrusion are integrally injection-molded and made of plastic.
Furthermore, the first pipe joint on the upper body extends to the inner part of the upper body, a boss is circumferentially arranged at the joint of the outer wall of the first pipe joint and the upper surface of the inner part of the upper body, an annular groove is circumferentially arranged at the inner end of the upper end opening of the lower body, the port of the lower body is sleeved on the outer side of the first pipe joint, and an O-shaped rubber ring is arranged between the annular groove and the boss.
Furthermore, the upper end of the valve core is contacted with the first pipe joint, and the lower end of the valve core is inserted into the extending part of the second pipe joint in the lower body.
Compared with the prior art, gaseous check valve of plastics have following advantage:
the plastic gas one-way valve of the utility model has the advantages that the upper body and the lower body are sealed by the O-shaped rubber ring, and are clamped by the fixed buckle and the fixed bulge, the spring is sleeved on the valve core and is responsible for the reset of the valve core, the second pipe joint is connected with the air inlet manifold, when the air inlet manifold is internally provided with negative pressure, the negative pressure can separate the spring compression valve core from the binding sheet of the upper body, and gas can enter the air inlet manifold from the first pipe joint; the device is simple in structure, easy to disassemble and high in practicability.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is an exploded view of a plastic gas check valve according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a plastic gas check valve in a state that a valve core is fitted with an upper body according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a plastic gas check valve in a spring compression state according to an embodiment of the present invention.
Description of reference numerals:
1-upper body; 2-lower body; 3-a first pipe joint; 4, fixing a buckle; 5-O type rubber ring; 6-valve core; 7-a spring; 8-fixing the bulge; 9-second pipe joint.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 3, a plastic gas check valve comprises an upper body 1, a lower body 2 and a valve core 6, wherein the upper surface of the upper body 1 is connected with a first pipe joint 3, a fixing buckle 4 is arranged at the edge of the side surface, the lower surface of the lower body 2 is connected with a second pipe joint 9, a fixing bulge 8 is arranged on the side surface, the lower body 2 is sleeved in the upper body 1 and connected together through the clamping of the fixing bulge 8 and the fixing buckle 4, the valve core 6 is installed in the lower body 2, the top of the valve core is attached and sealed with the inner side of the upper body 1, and the outer side of the valve core 6 is sleeved with a.
The ends of the upper body 1 and the lower body 2 are hermetically connected through an O-shaped rubber ring 5.
The second pipe joint 9 is connected to the intake manifold.
The upper body 1, the first pipe joint 3 and the fixing buckle 4 are integrally formed by injection molding and are made of plastic materials.
The lower body 2, the second pipe joint 9 and the fixing protrusion 8 are integrally injection-molded and are made of plastic.
First coupling 3 on the upper part of the body 1 extends to the inside of 1 upper part of the body, and the outer wall of first coupling 3 and the inside upper surface junction circumference of 1 upper part of the body are equipped with the boss, 2 upper end openings of the lower part of the body inner circumference is equipped with the ring channel, 2 port department of the lower part of the body cup joints in the 3 outsides of first coupling, just be equipped with O type rubber circle 5 between ring channel and the boss.
The upper end of the valve core 6 is contacted with the first pipe joint 3, and the lower end is inserted into the extension part of the second pipe joint 9 in the lower body 2.
The working process of the embodiment is as follows:
the upper body 1 and the lower body 2 are sealed through an O-shaped rubber ring 5 and clamped through a fixing buckle 4 and a fixing bulge 8, and the spring 7 is sleeved on the valve core 6 and is responsible for resetting the valve core 6. The second pipe joint 9 is connected with the intake manifold, when the intake manifold is internally provided with negative pressure, the negative pressure can lead the spring 7 to compress the valve core 6 to be separated from the joint sheet of the upper body 1, and gas can enter the intake manifold from the first pipe joint 3.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A plastic gas check valve is characterized in that: including the upper part of the body, the lower part of the body and case, the upper surface of the body is connected with first coupling, and side surface edge is equipped with a fixed buckle, the lower surface of the body is connected with the second coupling, and the side surface is equipped with fixed arch, the lower part of the body cup joints in the upper part of the body to the joint through fixed arch and fixed buckle links together, the case is installed under internal, and the laminating of top and upper part of the body is sealed, the spring has been cup jointed in the case outside.
2. A plastic gas check valve as defined in claim 1, wherein: the ends of the upper body and the lower body are hermetically connected through an O-shaped rubber ring.
3. A plastic gas check valve as defined in claim 1, wherein: the second pipe joint is connected with the intake manifold.
4. A plastic gas check valve as defined in claim 1, wherein: the upper body, the first pipe joint and the fixing buckle are integrally formed in an injection molding mode and are made of plastic materials.
5. A plastic gas check valve as defined in claim 1, wherein: the lower part of the body, the second pipe joint and the fixing protrusion are integrally injection-molded and are made of plastic materials.
6. A plastic gas check valve as defined in claim 2, wherein: first coupling on the upper part of the body extends to the internal portion of upper part of the body, and first coupling outer wall and the inside upper surface junction circumference of upper part of the body are equipped with the boss, lower part of the body upper end opening inner circumference is equipped with the ring channel, lower part of the body port department cup joints in the first coupling outside, just be equipped with O type rubber circle between ring channel and the boss.
7. A plastic gas check valve as defined in claim 1, wherein: the upper end of the valve core is contacted with the first pipe joint, and the lower end of the valve core is inserted into the extending part of the second pipe joint in the lower body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921084127.0U CN210770443U (en) | 2019-07-11 | 2019-07-11 | Plastic gas one-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921084127.0U CN210770443U (en) | 2019-07-11 | 2019-07-11 | Plastic gas one-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210770443U true CN210770443U (en) | 2020-06-16 |
Family
ID=71047264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921084127.0U Expired - Fee Related CN210770443U (en) | 2019-07-11 | 2019-07-11 | Plastic gas one-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210770443U (en) |
-
2019
- 2019-07-11 CN CN201921084127.0U patent/CN210770443U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 |