CN220082115U - Automobile pressure reducing valve gasket - Google Patents
Automobile pressure reducing valve gasket Download PDFInfo
- Publication number
- CN220082115U CN220082115U CN202321456176.9U CN202321456176U CN220082115U CN 220082115 U CN220082115 U CN 220082115U CN 202321456176 U CN202321456176 U CN 202321456176U CN 220082115 U CN220082115 U CN 220082115U
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- China
- Prior art keywords
- rubber gasket
- groove
- gasket
- rubber
- main body
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Links
- 238000012856 packing Methods 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 230000008602 contraction Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000007789 gas Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Gasket Seals (AREA)
Abstract
The utility model discloses an automobile pressure reducing valve gasket, wherein positioning protrusions are arranged on the front surface and the back surface of a rubber gasket main body and close to the edge of an outer ring, and the inner surfaces of the positioning protrusions are inclined planes; the rubber gasket body is provided with a mounting piece protruding outwards on the peripheral outer side surface and close to the back surface; an outer groove is formed in the outer side face of the rubber gasket main body in the circumferential direction, an inner groove is formed in the outer groove, and an inner filling ring is arranged in the inner groove; the rubber gasket body is internally provided with a spiral protruding edge, and when the rubber gasket body is contacted with the valve body, the valve body props against the spiral protruding edge to enable the valve body to extrude the rubber gasket body to expand outwards, so that the rubber gasket body is tightly attached to the valve body; the positioning bulge, the mounting piece, the spiral bulge edge and the rubber gasket body are integrally formed, so that the tension and the prestress are increased.
Description
Technical Field
The utility model relates to the technical field of rubber gaskets, in particular to an automobile pressure reducing valve gasket.
Background
Two water pipes leading to the water tank are arranged at the outer side of the pressure reducing valve, and a gasket is arranged between the water pipes and the pressure reducing valve, so that the gasket can generate the phenomena of thermal expansion and cold contraction after the temperature difference changes. Because the temperature is lower in winter, the gasket can expand with heat and contract with cold, and then natural gas enters the water tank from the gap because the gasket is contracted, so that the water tank is sprayed when the automobile is started.
Disclosure of Invention
The present utility model solves the above-mentioned problems, and provides a pressure reducing valve gasket for an automobile capable of reducing gas leakage caused by shrinkage of a rubber gasket at low temperature.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the automobile pressure reducing valve gasket comprises a rubber gasket main body, wherein positioning protrusions are arranged on the front surface and the back surface of the rubber gasket main body and close to the edge of the outer ring, the outer side surfaces of the positioning protrusions and the outer surface of the rubber gasket main body are positioned on the same plane, and the inner surfaces of the positioning protrusions are inclined surfaces and incline to the inner ring; the rubber gasket comprises a rubber gasket body, wherein the periphery of the rubber gasket body is provided with a plurality of mounting plates which are arranged on the periphery of the rubber gasket body at intervals, and the mounting plates are arranged on the periphery of the rubber gasket body and close to the back surface and are outwards protruded; an outer groove is formed in the outer side face of the rubber gasket main body in the circumferential direction, an inner groove is formed in the outer groove, and an inner filling ring is arranged in the inner groove; the rubber gasket body is internally provided with a spiral protruding edge, and when the rubber gasket body is contacted with the valve body, the valve body props against the spiral protruding edge to enable the valve body to extrude the rubber gasket body to expand outwards, so that the rubber gasket body is tightly attached to the valve body; the positioning bulge, the mounting piece, the spiral bulge edge and the rubber gasket body are integrally formed, so that the tension and the prestress are increased.
Compared with the prior art, the utility model has the advantages that: the structure of the rubber gasket in the pressure reducing valve is changed, gaps generated by thermal expansion and cold contraction of the rubber gasket are reduced as much as possible, a circular right-angle clamping groove-shaped rubber structure, namely the mounting sheet in the utility model, is outwards extended to the circumference by increasing the thickness of the gasket, the diameter of the horizontal structure of the circular right-angle clamping groove extends by 4 millimeters, and the thickness of the horizontal structure is 2.5 millimeters, and the valve body can be tightly clamped by the diameter extending by 4 millimeters, so that the structure surrounds and clamps the valve body to surround the valve body to adapt to thermal expansion and cold contraction, and gas leakage is reduced.
Further, the diameter of the inner groove is larger than that of the outer groove, and the inner filling ring is better wrapped, so that the inner filling ring is not easy to fall off.
Further, the outer groove, the inner groove and the inner filling ring are mutually matched and provided with at least two groups, so that the stability of the structure is improved.
Further, the inclined plane section of the positioning bulge is isosceles trapezoid.
Furthermore, the mounting piece is of a round right-angle clamping groove-shaped rubber structure, and the manufacturing is convenient.
Further, the mounting plate extends 4 mm in diameter and has a thickness of 2.5 mm.
Drawings
Fig. 1 is a schematic view showing an internal structure of a gasket for a pressure reducing valve of an automobile according to the present utility model.
Fig. 2 is a schematic front view of the structure of the gasket for the pressure reducing valve of the automobile of the present utility model.
Fig. 3 is a schematic perspective view of a gasket for a pressure reducing valve of an automobile according to the present utility model.
As shown in the figure: 1. the rubber gasket comprises a rubber gasket body 2, a positioning bulge 3, a mounting plate 4, an outer groove 5, an inner groove 6, an inner filling ring 7 and a spiral bulge edge.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
The automobile pressure reducing valve gasket comprises a rubber gasket main body 1, wherein the front surface and the back surface of the rubber gasket main body 1 are respectively provided with a positioning bulge 2 close to the edge of an outer ring, the outer side surfaces of the positioning bulges and the outer surface of the rubber gasket main body are positioned on the same plane, the inner surfaces of the positioning bulges 2 are inclined surfaces, the inner rings are inclined, the inclined surfaces of the positioning bulges 2 are isosceles trapezoid in cross section, when the valve body is contacted with the valve body, the valve body props against the outer surfaces of the positioning bulges, and meanwhile, the positioning bulges are extruded to enable the rubber gasket main body to expand outwards, so that the rubber gasket main body is tightly attached with the valve body;
the mounting piece 3 protruding outwards is arranged on the peripheral outer side surface of the rubber gasket main body 1 and close to the back surface, the mounting piece 3 is of a round right-angle clamping groove-shaped rubber structure, the manufacturing is convenient, and the diameter of the mounting piece 3 extends for 4 millimeters and the thickness of the mounting piece is 2.5 millimeters; the mounting pieces 3 are arranged in a plurality and are arranged on the rubber gasket main body 1 at intervals; an outer groove 4 is formed in the outer side face of the circumferential direction of the main body of the rubber ring 1, an inner groove 5 is formed in the outer groove 4, an inner filling ring 6 is arranged in the inner groove 5, and preferably, the diameter of the inner groove 5 is larger than that of the outer groove 4, and the inner filling ring is better wrapped so as not to fall off easily;
the rubber gasket body 1 is internally provided with a spiral convex edge 7, and when the rubber gasket body is contacted with the valve body, the valve body props against the spiral convex edge to enable the valve body to extrude the rubber gasket body to expand outwards, so that the rubber gasket body is tightly attached to the valve body; the positioning bulge, the mounting piece, the spiral bulge edge and the rubber gasket body are integrally formed, so that the tension and the prestress are increased.
Preferably, at least two groups of the outer grooves 4, the inner grooves 5 and the inner filling rings 6 are matched with each other, so that the stability of the structure is improved.
When the product is installed on the valve body, the valve body props against the outer surface of the positioning protrusion and the spiral protruding edge when contacting with the valve body, and simultaneously, the positioning protrusion is extruded to enable the rubber gasket body to be extruded to expand outwards, and the spiral protruding edge is extruded to enable the rubber gasket body to expand outwards, so that the rubber gasket body is tightly attached to the valve body, and the tightness of the rubber gasket is greatly enhanced;
an external filling ring is arranged in an inner groove at the outer side of the rubber gasket main body, so that the sealing is ensured, and meanwhile, the rubber gasket has good buffering performance, and therefore, the service lives of assembled parts and the rubber gasket main body are greatly prolonged; the structure of the rubber gasket in the pressure reducing valve is changed, gaps generated by thermal expansion and cold contraction of the rubber gasket are reduced as much as possible, a circular right-angle clamping groove-shaped rubber structure, namely the mounting piece in the pressure reducing valve, is extended outwards from the circumference by increasing the thickness of the gasket by one millimeter, the diameter of the horizontal structure of the circular right-angle clamping groove extends by 4 millimeters, and the thickness of the horizontal structure is 2.5 millimeters, and the valve body can be tightly clamped by the diameter extending by 4 millimeters, so that the structure surrounds and is clamped on the valve body to surround the valve body to adapt to thermal expansion and cold contraction, and gas leakage is reduced.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (6)
1. Automobile relief pressure valve packing ring, including rubber packing ring main part (1), its characterized in that: positioning protrusions (2) are arranged on the front surface and the back surface of the rubber gasket main body (1) and close to the edge of the outer ring, and the inner surface of each positioning protrusion (2) is an inclined surface; the rubber gasket comprises a rubber gasket body (1), wherein a plurality of mounting pieces (3) protruding outwards are arranged on the circumferential outer side face of the rubber gasket body (1) and close to the back face of the rubber gasket body, and the mounting pieces (3) are arranged on the rubber gasket body (1) at intervals; an outer groove (4) is formed in the circumferential outer side surface of the rubber gasket main body (1), an inner groove (5) is formed in the outer groove (4), and an inner filling ring (6) is arranged in the inner groove (5); a spiral convex edge (7) is arranged in the rubber gasket main body (1).
2. The automotive pressure relief valve gasket of claim 1, wherein: the diameter of the inner groove (5) is larger than that of the outer groove (4).
3. The automotive pressure relief valve gasket of claim 1, wherein: the outer groove (4), the inner groove (5) and the inner filling ring (6) are mutually matched and provided with at least two groups.
4. The automotive pressure relief valve gasket of claim 1, wherein: the inclined plane section of the positioning bulge (2) is isosceles trapezoid.
5. The automotive pressure relief valve gasket of any one of claims 1-4, wherein: the mounting piece (3) is of a round right-angle clamping groove-shaped rubber structure.
6. The automotive pressure relief valve gasket of claim 5, wherein: the diameter of the mounting sheet (3) extends for 4 mm, and the thickness is 2.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321456176.9U CN220082115U (en) | 2023-06-08 | 2023-06-08 | Automobile pressure reducing valve gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321456176.9U CN220082115U (en) | 2023-06-08 | 2023-06-08 | Automobile pressure reducing valve gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220082115U true CN220082115U (en) | 2023-11-24 |
Family
ID=88817234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321456176.9U Active CN220082115U (en) | 2023-06-08 | 2023-06-08 | Automobile pressure reducing valve gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220082115U (en) |
-
2023
- 2023-06-08 CN CN202321456176.9U patent/CN220082115U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |