CN204704512U - A kind of automobile exhaust system and exhaust flange assembly thereof - Google Patents
A kind of automobile exhaust system and exhaust flange assembly thereof Download PDFInfo
- Publication number
- CN204704512U CN204704512U CN201520429918.8U CN201520429918U CN204704512U CN 204704512 U CN204704512 U CN 204704512U CN 201520429918 U CN201520429918 U CN 201520429918U CN 204704512 U CN204704512 U CN 204704512U
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- Prior art keywords
- flange
- exhaust
- boss
- groove
- flange assembly
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of automobile exhaust system and exhaust flange assembly thereof, the second flange that this exhaust flange assembly comprises the first flange, coordinates with described first flange, and be arranged at the sealing configuration between two flanges; Described first flange is provided with boss towards the surface of described second flange, described second flange offers groove towards the surface of described first flange, described boss and described groove phase snap-fit engagement, and described sealing configuration is cushion rubber, and described cushion rubber is arranged between described boss and described groove; Two flanges of this exhaust flange assembly are fixed by boss and groove grafting, the surface of contact non-planar structure between two flanges, thus have fallen the surface quality requirements of low flange connection surface; Meanwhile, existing seal ring is replaced into cushion rubber, and is arranged in groove, press-fited by boss, rubber ring structure is stablized, not fragile, achieves reusing of sealing configuration, thus reduces processing and assembling cost, ensure that the performance that is tightly connected.
Description
Technical field
The utility model relates to connecting-piece structure technical field, particularly relates to a kind of exhaust flange assembly for automobile exhaust system.The utility model also relates to a kind of automobile exhaust system comprising above-mentioned exhaust flange assembly.
Background technique
In automobile exhaust system, connect two outlet pipes by exhaust flange assembly, to realize the effect be tightly connected.
As depicted in figs. 1 and 2, traditional exhaust flange assembly comprises two pieces of identical flanges 11, and between two panels flange, arrange a sealing gasket 12, and to reach the effect of sealing, and the bolt that two flanges are arranged by circumference is affixed.But the surface quality requirements of this kind of total companion flange of existing exhaust flange is higher, there is the undesirable situation of surface roughness in arbitrary junction surface of two flanges, just easily causes flange connection surface place to leak gas; Meanwhile, this flange arrangement needs a sealing gasket for compression seal, and sealing gasket is the elastic structure of the materials such as asbestos, and using after a period of time will elastic failure, and cannot reuse, need often to change sealing pad, this just causes great waste.
Therefore, provide a kind of exhaust flange assembly for automobile exhaust system, to reducing the surface quality requirements of flange connection surface, and realize reusing of sealing configuration, thus reduce processing and assembling cost, ensure to be tightly connected performance, just become those skilled in the art's problem demanding prompt solution.
Model utility content
The purpose of this utility model is to provide a kind of exhaust flange assembly for automobile exhaust system, to reducing the surface quality requirements of flange connection surface, and realizes reusing of sealing configuration, thus reduces processing and assembling cost, ensure to be tightly connected performance.Another object of the present utility model is to provide a kind of automobile exhaust system comprising above-mentioned exhaust flange assembly.
To achieve these goals, the utility model provides a kind of exhaust flange assembly for automobile exhaust system, the second flange comprise the first flange, coordinating with described first flange, and the sealing configuration be arranged between two flanges, described first flange is provided with boss towards the surface of described second flange, described second flange offers groove towards the surface of described first flange, described boss and described groove phase snap-fit engagement, and described sealing configuration is cushion rubber, and described cushion rubber is arranged between described boss and described groove.
Preferably, described groove extends one week along the mounting hole circumference of described second flange.
Preferably, described boss extends one week along the mounting hole circumference of described first flange.
Preferably, the outer side surface of described boss is guiding surface, and described guiding surface is to the direction away from described first flange, to the direction introversion near described first flange axis.
Preferably, described guiding surface and described first flange attachment face between angle be 60 degree.
The utility model also provides a kind of automobile exhaust system, comprises gas exhaust piping and the exhaust flange assembly being connected adjacent two gas exhaust pipings, and described exhaust flange assembly is exhaust flange assembly as above.
Exhaust flange assembly provided by the utility model is used for automobile exhaust system, the second flange that this exhaust flange assembly comprises the first flange, coordinates with described first flange, and is arranged at the sealing configuration between two flanges; Described first flange is provided with boss towards the surface of described second flange, described second flange offers groove towards the surface of described first flange, described boss and described groove phase snap-fit engagement, and described sealing configuration is cushion rubber, and described cushion rubber is arranged between described boss and described groove; Two flanges of this exhaust flange assembly are fixed by boss and groove grafting, the surface of contact non-planar structure between two flanges, thus have fallen the surface quality requirements of low flange connection surface; Meanwhile, existing seal ring is replaced into cushion rubber, and is arranged in groove, press-fited by boss, rubber ring structure is stablized, not fragile, achieves reusing of sealing configuration, thus reduces processing and assembling cost, ensure that the performance that is tightly connected.
In a preferred embodiment, in exhaust flange assembly provided by the utility model, described groove extends one week along the mounting hole circumference of described second flange, and boss extends one week along the mounting hole circumference of described first flange; Like this, circumferential continuous print cooperating structure is set, improves the reliability be tightly connected.
In another preferred embodiment, in exhaust flange assembly provided by the utility model, the outer side surface of described boss is guiding surface, and described guiding surface is to the direction away from described first flange, to the direction introversion near described first flange axis, so that the first flange and the guiding of the second flange when plug-in mounting, improve installation convenience.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the utility model, for those of ordinary skill in the art, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the parts drawing of flange in the exhaust flange assembly of prior art;
Fig. 2 is the parts drawing of sealing gasket in exhaust flange assembly in prior art;
Fig. 3 is the sectional view of exhaust flange assembly provided by the utility model;
Fig. 4 is the structural representation of the first flange in the assembly of exhaust flange shown in Fig. 3;
Fig. 5 is the structural representation of the second flange in the assembly of exhaust flange shown in Fig. 3;
Fig. 6 is the structural representation of cushion rubber in the assembly of exhaust flange shown in Fig. 3.
Description of reference numerals:
In Fig. 1-2,11-flange 12-sealing gasket
In Fig. 3-Fig. 6,21-first flange 22-second flange 23-sealing configuration 211-boss 221-groove
Embodiment
Core of the present utility model is to provide a kind of exhaust flange assembly for automobile exhaust system, to reducing the surface quality requirements of flange connection surface, and realizes reusing of sealing configuration, thus reduces processing and assembling cost, ensure to be tightly connected performance.Another core of the present utility model is to provide a kind of automobile exhaust system comprising above-mentioned exhaust flange assembly.
In order to make those skilled in the art understand the technical solution of the utility model better, below in conjunction with accompanying drawing, the utility model is further detailed.
Please refer to Fig. 3-Fig. 6, in a kind of embodiment, exhaust flange assembly provided by the utility model is used for automobile exhaust system, the second flange 22 that this exhaust flange assembly comprises the first flange 21, coordinates with described first flange 21, and is arranged at the sealing configuration 23 between two flanges; Described first flange 21 is provided with boss 211 towards the surface of described second flange 22, described second flange 22 offers groove 221 towards the surface of described first flange 21, described boss 211 and described groove 221 phase snap-fit engagement, and described sealing configuration 23 is cushion rubber, and described cushion rubber is arranged between described boss 211 and described groove 221; Two flanges of this exhaust flange assembly are fixed by boss 211 and groove 221 grafting, the surface of contact non-planar structure between two flanges, thus have fallen the surface quality requirements of low flange connection surface; Meanwhile, existing seal ring is replaced into cushion rubber, and is arranged in groove 221, press-fited by boss 211, rubber ring structure is stablized, not fragile, achieves reusing of sealing configuration 23, thus reduces processing and assembling cost, ensure that the performance that is tightly connected.
Further, the mounting hole circumference that above-mentioned groove 221 is preferably along described second flange 22 extends one week, and boss 211 extends one week along the mounting hole circumference of described first flange 21; Like this, circumferential continuous print cooperating structure is set, improves the reliability be tightly connected.
In theory, as long as groove 221 can be realized to be fixed with the grafting of boss 211, and ensure sealability, groove 221 is also not limited to the extension form of a week, also some grooves 221 can be started in the circumference of the second flange 22 mounting hole, each groove 221 circumference is uniform, and arranges the equal boss of number 211, fixes with groove 221 grafting correspondingly.In addition, when groove 221 is complete cycle structure, boss 211 can be multiple intermittent configuration.
Further, the outer side surface of above-mentioned boss 211 is guiding surface, and described guiding surface is to the direction away from described first flange 21, to the direction introversion near described first flange 21 axis, so that the first flange 21 and the guiding of the second flange 22 when plug-in mounting, improve installation convenience.
Particularly, the angle between the attachment face of this guiding surface and described first flange 21 is 60 degree, and to ensure steering capability and processing convenience, apparently, this angle is also not limited to 60 degree, and it also can be other suitable angles, such as 55 degree, 60 degree etc.
It is pointed out that ordinal numbers such as " first, second " described in literary composition, is the different structure in order to distinguish same names, only for convenience, does not represent certain order, more should not be construed as any restriction.
Except above-mentioned exhaust flange assembly, the utility model also provides a kind of automobile exhaust system comprising above-mentioned exhaust flange assembly, and other Each part of this automobile exhaust system please refer to prior art, do not repeat them here.
Upper describes some one exemplary embodiment of the present utility model by the mode illustrated, undoubtedly, for those of ordinary skill in the art, when not departing from spirit and scope of the present utility model, can revise described embodiment by various different mode.Therefore, above-mentioned accompanying drawing is illustrative with being described in essence, should not be construed as the restriction to the utility model claims.
Claims (6)
1. the exhaust flange assembly for automobile exhaust system, the second flange (22) comprise the first flange (21), coordinating with described first flange (21), and be arranged at the sealing configuration (23) between two flanges; It is characterized in that, described first flange (21) is provided with boss (211) towards the surface of described second flange (22), described second flange (22) offers groove (221) towards the surface of described first flange (21), described boss (211) and described groove (221) phase snap-fit engagement, and described sealing configuration (23) is cushion rubber, and described cushion rubber is arranged between described boss (211) and described groove (221).
2. exhaust flange assembly according to claim 1, is characterized in that, described groove (221) extends one week along the mounting hole circumference of described second flange (22).
3. exhaust flange assembly according to claim 2, is characterized in that, described boss (211) extends one week along the mounting hole circumference of described first flange (21).
4. the exhaust flange assembly according to any one of claim 1-3, it is characterized in that, the outer side surface of described boss (211) is guiding surface, and described guiding surface is to the direction away from described first flange (21), to the direction introversion near described first flange (21) axis.
5. exhaust flange assembly according to claim 4, is characterized in that, the angle between the attachment face of described guiding surface and described first flange (21) is 60 degree.
6. an automobile exhaust system, comprises gas exhaust piping and the exhaust flange assembly being connected adjacent two gas exhaust pipings, it is characterized in that, described exhaust flange assembly is the exhaust flange assembly as described in any one of claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520429918.8U CN204704512U (en) | 2015-06-19 | 2015-06-19 | A kind of automobile exhaust system and exhaust flange assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520429918.8U CN204704512U (en) | 2015-06-19 | 2015-06-19 | A kind of automobile exhaust system and exhaust flange assembly thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204704512U true CN204704512U (en) | 2015-10-14 |
Family
ID=54284131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520429918.8U Expired - Fee Related CN204704512U (en) | 2015-06-19 | 2015-06-19 | A kind of automobile exhaust system and exhaust flange assembly thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204704512U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697118A (en) * | 2016-01-26 | 2016-06-22 | 重庆长安汽车股份有限公司 | Sealing structure of turbo-charged direct injection engine exhaust system |
| CN106756586A (en) * | 2016-12-19 | 2017-05-31 | 江苏多为机械工业有限公司 | A kind of automobile engine outlet flange and its production technology |
| CN106762076A (en) * | 2016-12-12 | 2017-05-31 | 俞扬池 | A kind of runner exhaust apparatus of Diesel engine four |
| CN110107390A (en) * | 2019-05-21 | 2019-08-09 | 三七知明(北京)科技有限公司 | A kind of sealing device of automobile exhaust pipe connectivity part |
-
2015
- 2015-06-19 CN CN201520429918.8U patent/CN204704512U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697118A (en) * | 2016-01-26 | 2016-06-22 | 重庆长安汽车股份有限公司 | Sealing structure of turbo-charged direct injection engine exhaust system |
| CN106762076A (en) * | 2016-12-12 | 2017-05-31 | 俞扬池 | A kind of runner exhaust apparatus of Diesel engine four |
| CN106756586A (en) * | 2016-12-19 | 2017-05-31 | 江苏多为机械工业有限公司 | A kind of automobile engine outlet flange and its production technology |
| CN110107390A (en) * | 2019-05-21 | 2019-08-09 | 三七知明(北京)科技有限公司 | A kind of sealing device of automobile exhaust pipe connectivity part |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151014 Termination date: 20190619 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |