CN203318394U - Automotive front shell air seal - Google Patents
Automotive front shell air seal Download PDFInfo
- Publication number
- CN203318394U CN203318394U CN2013203027825U CN201320302782U CN203318394U CN 203318394 U CN203318394 U CN 203318394U CN 2013203027825 U CN2013203027825 U CN 2013203027825U CN 201320302782 U CN201320302782 U CN 201320302782U CN 203318394 U CN203318394 U CN 203318394U
- Authority
- CN
- China
- Prior art keywords
- air seal
- rubber air
- front shell
- spring
- annular
- 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
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- Braking Systems And Boosters (AREA)
Abstract
The utility model discloses an automotive front shell air seal which comprises a rubber air seal body, wherein the outer surface of the rubber air seal body is in the shape of sawteeth, the outer circle of the rubber air seal body is sleeved with a first spring, a K-shaped notch is formed in the interior of the static seal position of the outer circle, an annular groove is formed in the middle of the rubber air seal body, an annular reinforcing rib is arranged in the annular groove, a convex annular sealing lip is arranged at the motive seal position of the inner wall of the rubber air seal body, a protrusion is arranged on the inner wall of the annular sealing lip, and the annular sealing lip is sleeved with a second spring. The automotive front shell air seal is simple in structure and reasonable in design. The arrangement of the K-shaped notch facilitates the assembly of a framework. Due to the fact that the rubber air seal body is sleeved with the first spring and the annular sealing lip provided with the protrusion is arranged at the motive seal position, good sealing performance is guaranteed, wear resistance is good, and the service life is prolonged.
Description
Technical field
The utility model relates to the vehicular spare parts technical field, relates in particular to a kind of automobile front shell air seal.
Background technology
The front shell air seal of vacuum booster is used for stoping atmosphere to enter ante-chamber from back cavity, guarantee ante-chamber and atmospheric isolation, if sealing effectiveness is bad, can cause servobrake malfunctioning, there is potential safety hazard, front shell air seal of the prior art exists and is easy to wearing and tearing, poor durability, service working time length and the low shortcoming of production efficiency, needs to improve.
The utility model content
The utility model purpose is exactly in order to make up the defect of prior art, and a kind of front shell air seal of the automobile for vacuum booster is provided.
The utility model is achieved through the following technical solutions:
A kind of automobile front shell air seal, include the rubber air sealing, the outside face of rubber air sealing is zig-zag, cylindrical cover at the rubber air sealing has spring one, in inside, cylindrical static seal place, has the K v notch v, in the middle part of rubber air sealing, has annular groove, be provided with ring stiffener in annular groove, be provided with the annular seal lip limit of evagination in inwall dynamic seal place of rubber air sealing, the inwall on described annular seal lip limit is provided with projection, and in the outside on annular seal lip limit, cover has spring two.
The utility model has the advantages that: the utility model is simple in structure, reasonable in design, and the K v notch v is easy to the assembling of skeleton, at rubber air sealing overcoat, spring is arranged, dynamic seal place is provided with protruding annular seal lip limit, guarantees good leak tightness, resistance to abrasion is good, increases the service life.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The specific embodiment
As shown in Figure 1, a kind of automobile front shell air seal, include rubber air sealing 1, the outside face of rubber air sealing 1 is zig-zag, cylindrical cover at rubber air sealing 1 has spring 1, have K v notch v 3 in inside, cylindrical static seal place, have annular groove 4 in the middle part of rubber air sealing 1, be provided with ring stiffener 5 in annular groove 4, be provided with the annular seal lip limit 6 of evagination in inwall dynamic seal place of rubber air sealing 1, the inwall on described annular seal lip limit 6 is provided with projection 7, and in the outside on annular seal lip limit 6, cover has spring 28.
Claims (1)
1. an automobile front shell air seal, it is characterized in that: include the rubber air sealing, the outside face of rubber air sealing is zig-zag, cylindrical cover at the rubber air sealing has spring one, have the K v notch v in inside, cylindrical static seal place, middle part at the rubber air sealing has annular groove, be provided with ring stiffener in annular groove, be provided with the annular seal lip limit of evagination in inwall dynamic seal place of rubber air sealing, the inwall on described annular seal lip limit is provided with projection, and in the outside on annular seal lip limit, cover has spring two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203027825U CN203318394U (en) | 2013-05-29 | 2013-05-29 | Automotive front shell air seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203027825U CN203318394U (en) | 2013-05-29 | 2013-05-29 | Automotive front shell air seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203318394U true CN203318394U (en) | 2013-12-04 |
Family
ID=49657767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203027825U Expired - Fee Related CN203318394U (en) | 2013-05-29 | 2013-05-29 | Automotive front shell air seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203318394U (en) |
-
2013
- 2013-05-29 CN CN2013203027825U patent/CN203318394U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20140529 |