CN210049970U - Dual-seal structure booster gasket - Google Patents
Dual-seal structure booster gasket Download PDFInfo
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- CN210049970U CN210049970U CN201920866851.2U CN201920866851U CN210049970U CN 210049970 U CN210049970 U CN 210049970U CN 201920866851 U CN201920866851 U CN 201920866851U CN 210049970 U CN210049970 U CN 210049970U
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Abstract
The utility model discloses a supercharger gasket with a double-sealing structure, which comprises a gasket body, wherein the gasket body is internally provided with an air vent and a plurality of bolt holes and consists of an upper plate, a middle plate and a lower plate which are three layers of high-temperature resistant stainless steel plates; the air vent sealing structure is characterized in that front sealing corrugations and rear sealing corrugations of a double-sealing structure are respectively pressed at the air vent sealing parts of the upper plate and the lower plate and form a mirror image relationship; the middle plate is provided with a circle of inner hole self-flanging structures at the edge of the vent hole, and a peripheral self-flanging structure is arranged at the position, close to the bolt hole, of the middle plate; the front sealing corrugation and the inner hole self-flanging structure are overlapped to realize primary sealing, and the rear sealing corrugation realizes secondary sealing, so that a double-sealing structure is formed; the double-stage sealing structure has the advantages of ingenious design, excellent processing manufacturability, suitability for the sealing requirements of the supercharger gasket with high temperature and large thermal deformation, reliable sealing guarantee through the double-stage sealing structure, and high popularization value.
Description
The technical field is as follows:
the utility model relates to an engine seal technical field, specifically say and a dual-seal structure booster gasket.
Background art:
as is well known, a supercharger sealing gasket (hereinafter referred to as a supercharger gasket) is an important part connected between an exhaust pipe and a supercharger, the supercharger gasket needs to reliably seal high-temperature exhaust, and the quality of the supercharger gasket not only affects the sealing performance and environmental protection performance of an engine, but also affects the overall performance of the engine. At present, a supercharger cushion generally adopts a two-layer stainless steel pressure wave structure (see fig. 3), and along with the improvement of the exhaust temperature of an engine and the continuous improvement of performance requirements, the existing supercharger cushion structure can not meet the use requirements, so that the supercharger cushion which can obviously improve the sealing reliability and has excellent processing manufacturability is created, and the supercharger cushion has very important significance.
The utility model has the following contents:
the utility model aims at overcoming the deficiencies of the prior art and providing a dual-seal structure supercharger gasket.
The utility model provides a technical scheme as follows: a supercharger gasket with a double-sealing structure comprises a gasket body, wherein a vent hole and a plurality of bolt holes are formed in the gasket body, and the vent hole and the bolt holes vertically penetrate through the gasket body; the gasket body consists of an upper plate, a middle plate and a lower plate which are three layers of high-temperature resistant stainless steel plates; the double-seal structure is characterized in that the vent hole sealing parts of the upper plate and the lower plate are respectively pressed with a front sealing corrugation and a rear sealing corrugation of a double-seal structure, and the front sealing corrugation and the rear sealing corrugation are in a mirror image relationship on the upper plate and the lower plate; the middle plate is provided with a circle of inner hole self-flanging structures at the edge of the vent hole, and a peripheral self-flanging structure is arranged at the position, close to the bolt hole, of the middle plate; the front sealing corrugation and the inner hole are overlapped from the flanging structure to realize primary sealing, and the rear sealing corrugation realizes secondary sealing, so that a double-sealing structure is formed.
The utility model has the advantages as follows: 1. the front sealing corrugations of the upper plate and the lower plate are superposed with the middle plate self-flanging structure to realize a primary sealing function, the flanging structure can concentrate limited bolt axial force on a flanging part to establish a strong sealing belt, and the corrugations of the upper plate and the lower plate are superposed with the corrugations to ensure that the upper plate and the lower plate have the advantage of large adaptive thermal deformation; the rear sealing corrugation is in a reasonable compression characteristic interval, has excellent resilience, establishes a second sealing belt and a double sealing structure, and realizes reliable sealing on high-temperature exhaust; 2. the method has the advantages of ingenious conception, excellent processing manufacturability and good development prospect.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial cross-sectional view A-A of FIG. 1;
fig. 3 is a sectional view of a structure of a conventional booster pad.
The gasket comprises a gasket body 1, vent holes 2, an upper plate 3, a middle plate 4, a lower plate 5, a front sealing corrugation 6, a rear sealing corrugation 7, an inner hole self-flanging structure 8, a periphery self-flanging structure 9 and bolt holes 10.
The specific implementation mode is as follows:
the present invention will be described in detail with reference to the accompanying drawings, and the examples are only for explaining the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 and 2, a supercharger with a double-sealing structure comprises a gasket body 1, wherein a vent hole 2 and a plurality of bolt holes 10 are arranged in the gasket body 1, the vent hole 2 and the plurality of bolt holes 10 penetrate through the gasket body 1 from top to bottom, and the gasket body 1 is composed of three layers of high-temperature resistant stainless steel plates, namely an upper plate 3, a middle plate 4 and a lower plate 5; the air vent sealing parts of the upper plate 3 and the lower plate 5 are respectively pressed with a front sealing corrugation 6 and a rear sealing corrugation 7 with double sealing structures, and the front sealing corrugation 6 and the rear sealing corrugation 7 are in a mirror image relationship on the upper plate 3 and the lower plate 5; a circle of inner hole self-flanging structures 8 are arranged on the edge of the vent hole 2 of the middle plate 4, and a peripheral self-flanging structure 9 is locally arranged at the position, close to the bolt hole 10, of the middle plate 4; the inner hole self-flanging structure 8 and the periphery self-flanging structure 9 act together to enable the rear sealing corrugation 7 to be in a reasonable compression characteristic interval; the front sealing corrugation 6 and the inner hole self-flanging structure 8 are overlapped to realize a primary sealing function, and the rear sealing corrugation 7 realizes a secondary sealing function, so that a double-sealing structure is formed.
In the embodiment 1, the front sealing corrugations of the upper plate and the lower plate and the middle plate are superposed to realize the primary sealing function, the flanging structure can concentrate limited bolt axial force on the flanging position to establish a strong sealing belt, and the corrugations of the upper plate and the lower plate are superposed with the corrugations to ensure that the upper plate and the lower plate have the advantage of large adaptive thermal deformation; the back sealing corrugation is in a reasonable compression characteristic interval, has excellent resilience, establishes a second sealing belt, has a double sealing structure, and realizes reliable sealing of high-temperature exhaust.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (1)
1. A supercharger gasket with a double-sealing structure comprises a gasket body (1), wherein a vent hole (2) and a plurality of bolt holes (10) are formed in the gasket body (1), and the vent hole (2) and the bolt holes (10) penetrate through the gasket body (1) up and down; the gasket body (1) consists of three layers of high-temperature resistant stainless steel plates, namely an upper plate (3), a middle plate (4) and a lower plate (5); the double-seal structure is characterized in that the sealing parts of the vent holes (2) of the upper plate (3) and the lower plate (5) are respectively pressed with a front sealing corrugation (6) and a rear sealing corrugation (7) with double-seal structures, and the front sealing corrugation (6) and the rear sealing corrugation (7) are in mirror image relation on the upper plate (3) and the lower plate (5); a circle of inner hole self-flanging structures (8) are arranged on the middle plate (4) at the edge of the vent hole (2), and a peripheral self-flanging structure (9) is arranged at the position, close to the bolt hole (10), of the middle plate (4); the front sealing corrugation (6) and the inner hole are overlapped from the flanging structure (8) to realize primary sealing, and the rear sealing corrugation (7) realizes secondary sealing, so that a double-sealing structure is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920866851.2U CN210049970U (en) | 2019-06-11 | 2019-06-11 | Dual-seal structure booster gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920866851.2U CN210049970U (en) | 2019-06-11 | 2019-06-11 | Dual-seal structure booster gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210049970U true CN210049970U (en) | 2020-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920866851.2U Active CN210049970U (en) | 2019-06-11 | 2019-06-11 | Dual-seal structure booster gasket |
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| Country | Link |
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| CN (1) | CN210049970U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542322A (en) * | 2022-02-26 | 2022-05-27 | 重庆长安汽车股份有限公司 | Supercharger sealing gasket, vehicle and design method of supercharger sealing gasket |
-
2019
- 2019-06-11 CN CN201920866851.2U patent/CN210049970U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542322A (en) * | 2022-02-26 | 2022-05-27 | 重庆长安汽车股份有限公司 | Supercharger sealing gasket, vehicle and design method of supercharger sealing gasket |
| CN114542322B (en) * | 2022-02-26 | 2024-04-16 | 重庆长安汽车股份有限公司 | Supercharger sealing gasket, vehicle and design method of supercharger sealing gasket |
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