CN219509725U - Cover gasket for air valve chamber - Google Patents
Cover gasket for air valve chamber Download PDFInfo
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- CN219509725U CN219509725U CN202320672559.3U CN202320672559U CN219509725U CN 219509725 U CN219509725 U CN 219509725U CN 202320672559 U CN202320672559 U CN 202320672559U CN 219509725 U CN219509725 U CN 219509725U
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- gasket
- cover
- valve chamber
- gas valve
- fixedly connected
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Abstract
The utility model provides a cover gasket for a gas valve chamber, which relates to the technical field of sealing of the gas valve chamber of an engine and comprises a gasket main body and a bearing base, wherein a rubber ring is fixedly connected to the surface of one side of the gasket main body; the technical key points are as follows: through setting up the gasket main part between the pneumatic valve room that groove formed is accomodate to first storage tank and second, after assembling bearing base and shroud, can utilize the gasket main part to seal the clearance between bearing base and the shroud, after the inboard surface of inclined plane is corroded, because of its outside thickness constantly diminishes, can make the surface that is close to the gasket main part in the outside continue to exercise sealing work, be favorable to guaranteeing the sealed effect of gasket main part.
Description
Technical Field
The utility model belongs to the technical field of engine gas valve chamber sealing, and particularly relates to a cover gasket for a gas valve chamber.
Background
The air valve is a part for controlling air to enter and exit the air cylinder in the compressor and mainly comprises a valve seat, a valve plate, a spring and a lift limiter, wherein the lifting height or closure between the valve plate and the valve seat determines the size and closure of an air channel, the spring is mainly used for pushing the valve plate to close, the impact between the valve plate and the lift limiter when the valve plate is opened can be relieved, and the opening and closing of the valve plate of the air valve is controlled by the pressure difference between air inside and air outside the air cylinder and the spring force without other driving mechanisms. The air valve is used as an important part for controlling the air inflow of the engine, and the air valve has a large influence on the air inflow control effect due to the good or bad sealing performance.
The sealing gasket for the automobile engine cover is disclosed as CN216894664U, and is moved to the sealing fixing position of the automobile engine cover through a limiting plate body on a handheld sealing gasket body, when the automobile engine cover is fixed, the automobile engine cover downwards extrudes the sealing gasket body, the sealing gasket body downwards extrudes a honeycomb-shaped rubber plate body in a groove to deform, and meanwhile inert gas in the groove is extruded to circulate through a through groove, so that the inert gas extrudes the sealing gasket body to deform, the sealing purpose of sealing the automobile engine cover by the sealing gasket body is achieved, and the sealing pressure of the sealing gasket body is enhanced.
However, in the process of implementing the above technical solution, the following technical problems are found in the above technical solution:
when the sealing gasket used for sealing the existing engine cover deforms the honeycomb-shaped rubber plate body in the groove, inert gas in the groove is extruded to circulate through the through groove, so that the inert gas extrudes the sealing gasket body to deform, the sealing performance is improved, but the engine sealing gasket is easily corroded by the influence of the working environment, and when the sealing gasket is corroded, the inert gas in the groove is easily leaked, so that the sealing effect of the sealing gasket is greatly influenced.
Disclosure of Invention
In order to overcome the defects of the prior art, the embodiment of the utility model provides a gasket body for a gas valve chamber cover gasket, which is characterized in that a gasket body is arranged between a gas valve chamber formed by a first storage groove and a second storage groove, after a bearing base and a cover are assembled, a gap between the bearing base and the cover can be sealed by the gasket body, after the inner surface of an inclined plane is corroded, the outer thickness of the inclined plane is continuously reduced, the surface of the gasket body close to the outer side can continuously perform sealing operation to perform compensation sealing, the sealing gasket used by the sealing gasket of the prior engine cover gasket is solved, the sealing performance is improved by receiving inert gas extrusion deformation in a groove, but the sealing gasket of the engine is extremely easy to be corroded by the influence of working environment, and when the sealing gasket is corroded, inert gas in the groove is easy to leak, so that the sealing effect of the sealing gasket is greatly influenced.
The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows:
the cover gasket for the gas valve chamber comprises a gasket main body and a bearing base, wherein a rubber ring is fixedly connected to the surface of one side of the gasket main body, a rubber ring is fixedly connected to one side of the rubber ring, and an inclined surface is machined on the surface of the other side of the gasket main body;
the bearing base is characterized in that a plurality of first storage grooves are formed in the bearing base, one side of the bearing base is connected with a cover in an assembling mode, a plurality of second storage grooves are formed in the cover, and the first storage grooves correspond to the second storage grooves one by one and form a gas valve chamber;
the inside processing of support base one side has a plurality of fixed draw-in grooves, the inside at the rubber circle is connected to the rubber circle joint formula, the inside at the fixed draw-in groove is connected to the rubber circle plug-in type, the surface of gasket main part is connected with the surface contact of support base.
In one possible implementation, the inclined surface is located on the outer side of the gasket body, and the cross section of the inclined surface is trapezoidal.
In one possible implementation, a retaining ring is connected to the inner wall of the gasket body in a contact manner, and one side of the retaining ring is fixedly connected with the surface of the support base.
In one possible implementation manner, a plurality of gasket receiving grooves are machined in one side of the cover, and a plurality of gasket receiving grooves are respectively communicated with a plurality of second receiving grooves.
In one possible implementation, the surface of the gasket body side is in contact connection with the inner wall of the gasket receiving groove side, and the surface of the inclined surface is in contact connection with the inner wall of the gasket receiving groove side.
In one possible implementation, the retainer ring is movably connected inside the gasket receiving groove, and the thickness of the retainer ring is smaller than that of the gasket body.
In one possible implementation manner, two first positioning blocks are fixedly connected to two sides of the bearing base, two second positioning blocks are fixedly connected to two sides of the cover, and four first positioning blocks are fixedly connected with four second positioning blocks through bolts.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. the gasket body is arranged between the air valve chamber formed by the first storage groove and the second storage groove, after the supporting base and the cover cap are assembled, a gap between the supporting base and the cover cap can be sealed by the gasket body, and after the inner surface of the inclined surface is corroded, the outer thickness of the inclined surface is continuously reduced, so that the surface of the gasket body close to the outer side can continuously perform sealing work to perform compensation sealing;
2. through the surface that stretches into its one side of inside of gasket body and gasket storage tank one side inner wall contact, make the gasket body compressed, guarantee that the inclined plane in the gasket body outside and the inboard retaining ring of gasket body all contact with gasket storage tank one side inner wall, when the gasket body is corroded and can not play sealed effect completely, can utilize the retaining ring to take in the inner wall contact of groove one side with the gasket and replace the gasket body to exercise sealing function.
Drawings
FIG. 1 is a schematic view of a connection structure between a gasket body and a support base according to the present utility model;
FIG. 2 is an expanded view of the support base and cover of the present utility model;
FIG. 3 is a cross-sectional view of the support base of the present utility model;
FIG. 4 is an enlarged schematic view of the portion A of FIG. 3 according to the present utility model;
fig. 5 is a schematic structural view of a gasket body according to the present utility model.
Description of the drawings: 1. a gasket body; 2. a rubber ring; 3. a rubber ring; 4. an inclined plane; 5. a retainer ring; 6. a supporting base; 7. a first storage groove; 8. a cover cap; 9. a second storage groove; 10. a gasket receiving groove; 11. a first positioning block; 12. a second positioning block; 13. and fixing the clamping groove.
Detailed Description
The technical scheme in the embodiment of the utility model aims to solve the problems of the background technology, and the general thought is as follows:
example 1:
the embodiment introduces a specific structure for a gas valve chamber cover gasket, and particularly referring to fig. 1-5, the gas valve chamber cover gasket comprises a gasket main body 1 and a bearing base 6, wherein a rubber ring 2 is fixedly connected to the surface of one side of the gasket main body 1, a rubber ring 3 is fixedly connected to one side of the rubber ring 2, and an inclined plane 4 is processed on the surface of the other side of the gasket main body 1;
the inclined plane 4 is positioned at the outer side of the gasket body 1, the cross section of the inclined plane 4 is trapezoid, when the supporting base 6 and the cover 8 are assembled, a gap between the supporting base 6 and the cover 8 can be sealed by the gasket body 1, when the surface of the inner side of the inclined plane 4 is corroded, the thickness of the surface of the inner side of the inclined plane 4 is continuously reduced to ensure that the surface of the gasket body 1 close to the outer side continuously performs sealing work, and the space reserved by the corroded part of the gasket body 1 can be automatically filled due to the elasticity of the gasket body 1;
a plurality of first storage grooves 7 are formed in the support base 6, one side of the support base 6 is connected with a cover 8 in an assembling mode, a plurality of second storage grooves 9 are formed in the cover 8, and the first storage grooves 7 correspond to the second storage grooves 9 one by one to form an air valve chamber;
wherein, in order to conveniently fix the surface of gasket main part 1 in support base 6 one side, a plurality of fixed draw-in grooves 13 of inside processing in support base 6 one side make the inside of rubber circle 3 joint at rubber circle 3, rubber ring 2 plug-in connection is in the inside of fixed draw-in groove 13, utilizes rubber ring 2 and rubber circle 3, can guarantee that the surface of gasket main part 1 is connected with the surface contact of support base 6.
By adopting the technical scheme:
according to the design, the gasket body 1 is arranged between the air valve chambers formed by the first storage groove 7 and the second storage groove 9, the rubber ring 2 and the rubber ring 3 are used for sinking into the fixing clamping groove 13, the gasket body 1 is fixed with the supporting base 6, after the supporting base 6 is assembled with the cover 8, the gap between the supporting base 6 and the cover 8 can be sealed by the gasket body 1, after the inner surface of the inclined surface 4 is corroded, the outer thickness of the inclined surface is continuously reduced, the surface of the gasket body 1 close to the outer side can continuously perform sealing work, compensation sealing is performed, and the sealing effect is good.
Example 2:
based on embodiment 1, this embodiment describes a specific structure of the cover 8, in which a plurality of gasket receiving grooves 10 are formed in one side of the cover 8, and the gasket receiving grooves 10 are respectively communicated with the second receiving grooves 9;
wherein, in order to prevent the gasket body 1 from sinking into the inside of the air valve chamber, the retaining ring 5 is connected in contact with the inner wall of the gasket body 1, one side of the retaining ring 5 is fixedly connected with the surface of the supporting base 6, after the supporting base 6 is assembled with the cover 8, the retaining ring 5 is movably connected in the inside of the gasket accommodating groove 10 and is contacted with the inner wall of one side of the gasket accommodating groove 10, the thickness of the retaining ring 5 is smaller than that of the gasket body 1, when the gasket body 1 is corroded and the sealing effect is not achieved, the retaining ring 5 can be utilized to perform simple sealing work;
next, in order to make the gasket body 1 perform a better sealing function, the surface of the gasket body 1 is connected in contact with the inner wall of the gasket storage groove 10, and after the gasket body 1 is deformed by pressing, the surface of the inclined surface 4 is connected in contact with the inner wall of the gasket storage groove 10;
further, in order to accurately mount the gasket body 1 in the gasket storage groove 10, the gap between the support base 6 and the cover 8 is sealed, two first positioning blocks 11 are fixedly connected to both sides of the support base 6, two second positioning blocks 12 are fixedly connected to both sides of the cover 8, and four first positioning blocks 11 and four second positioning blocks 12 are fixed by bolts, so that the first storage groove 7 is aligned with the second storage groove 9.
The specific operation steps are as follows:
s1, sinking the rubber ring 2 and the rubber ring 3 into the fixing clamping groove 13 by utilizing the elasticity of the rubber ring 2 and the rubber ring 3, fixing the gasket main body 1 on the surface of the bearing base 6, sleeving the gasket main body on the outer side of the retainer ring 5, and connecting the inner wall of the gasket main body 1 with the outer wall of the retainer ring 5 in a contact manner;
s2, fixing a first positioning block 11 and a second positioning block 12 by using bolts, and assembling the supporting base 6 and the cover 8 to enable the first accommodating groove 7 and the second accommodating groove 9 to be communicated with each other;
s3, the surface of one side of the gasket body 1 extending into the gasket accommodating groove 10 is contacted with the inner wall of one side of the gasket accommodating groove 10, so that the gasket body 1 is compressed, and the inclined surface 4 at the outer side of the gasket body 1 and the retainer ring 5 at the inner side of the gasket body 1 are contacted with the inner wall of one side of the gasket accommodating groove 10.
By adopting the technical scheme:
according to the design, the gasket body 1 is compressed by extending the gasket body 1 into the gasket accommodating groove 10, the surface of one side of the gasket body is contacted with the inner wall of one side of the gasket accommodating groove 10, the inclined plane 4 on the outer side of the gasket body 1 and the retainer ring 5 on the inner side of the gasket body 1 are both contacted with the inner wall of one side of the gasket accommodating groove 10, and when the gasket body 1 is corroded and cannot achieve a sealing effect completely, the retainer ring 5 can be used for achieving a simple sealing function by being contacted with the inner wall of one side of the gasket accommodating groove 10, so that a certain sealing effect can be ensured.
Finally, it should be noted that: it is apparent that the above examples are only illustrative of the present utility model and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (7)
1. A bonnet pad for a gas valve chamber, comprising:
the gasket comprises a gasket body (1), wherein a rubber ring (2) is fixedly connected to the surface of one side of the gasket body (1), a rubber ring (3) is fixedly connected to one side of the rubber ring (2), and an inclined surface (4) is processed on the surface of the other side of the gasket body (1);
the bearing base (6), a plurality of first storage grooves (7) are formed in the bearing base (6), one side of the bearing base (6) is connected with a cover (8) in an assembling mode, a plurality of second storage grooves (9) are formed in the cover (8), and the first storage grooves (7) correspond to the second storage grooves (9) one by one to form an air valve chamber;
the inside processing of support base (6) one side has a plurality of fixed draw-in grooves (13), rubber circle (3) joint formula is connected in the inside of rubber circle (3), rubber ring (2) plug-in connection is in the inside of fixed draw-in groove (13), the surface of gasket main part (1) is connected with the surface contact of support base (6).
2. A cover gasket for a gas valve chamber according to claim 1, wherein: the inclined plane (4) is positioned on the outer side of the gasket main body (1), and the section of the inclined plane (4) is trapezoid.
3. A cover gasket for a gas valve chamber according to claim 1, wherein: the inner wall contact type gasket is characterized in that a retainer ring (5) is connected to the inner wall of the gasket body (1), and one side of the retainer ring (5) is fixedly connected with the surface of the bearing base (6).
4. A cover gasket for a gas valve chamber according to claim 1, wherein: a plurality of gasket accommodating grooves (10) are formed in one side of the cover (8), and the gasket accommodating grooves (10) are respectively communicated with the second accommodating grooves (9).
5. A cover gasket for a gas valve chamber according to claim 1, wherein: the surface of one side of the gasket body (1) is in contact connection with the inner wall of one side of the gasket accommodating groove (10), and the surface of the inclined surface (4) is in contact connection with the inner wall of one side of the gasket accommodating groove (10).
6. A cover gasket for a gas valve chamber according to claim 3, wherein: the check ring (5) is movably connected in the gasket accommodating groove (10), and the thickness of the check ring (5) is smaller than that of the gasket main body (1).
7. A cover gasket for a gas valve chamber according to claim 1, wherein: two first positioning blocks (11) are fixedly connected to two sides of the supporting base (6), two second positioning blocks (12) are fixedly connected to two sides of the cover (8), and four first positioning blocks (11) are fixedly connected with four second positioning blocks (12) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320672559.3U CN219509725U (en) | 2023-03-30 | 2023-03-30 | Cover gasket for air valve chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320672559.3U CN219509725U (en) | 2023-03-30 | 2023-03-30 | Cover gasket for air valve chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219509725U true CN219509725U (en) | 2023-08-11 |
Family
ID=87528172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320672559.3U Active CN219509725U (en) | 2023-03-30 | 2023-03-30 | Cover gasket for air valve chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219509725U (en) |
-
2023
- 2023-03-30 CN CN202320672559.3U patent/CN219509725U/en active Active
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| GR01 | Patent grant |