CN202349438U - Novel flange structure of automotive exhaust pipe - Google Patents
Novel flange structure of automotive exhaust pipe Download PDFInfo
- Publication number
- CN202349438U CN202349438U CN 201120471542 CN201120471542U CN202349438U CN 202349438 U CN202349438 U CN 202349438U CN 201120471542 CN201120471542 CN 201120471542 CN 201120471542 U CN201120471542 U CN 201120471542U CN 202349438 U CN202349438 U CN 202349438U
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- Prior art keywords
- flange
- outlet pipe
- boss structure
- groove
- boss
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- 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.)
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Abstract
The utility model provides a novel flange structure of an automotive exhaust pipe, and the novel flange structure is applied to the technical field of the automotive exhaust pipes. The novel flange structure of the automotive exhaust pipe comprises a flange body (1) and an exhaust pipe (2); the flange body (1) is provided with a flange central through hole (3); a flange surface I (4) of the flange body (1), which is connected with the exhaust pipe (2), is provided with a boss structure (5) around the flange central through hole (3); and the exhaust pipe (2) is arranged into a structure fixedly connected with the boss structure (5). The novel flange structure of the automotive exhaust pipe, which is provided by the utility model, is not easy to deform in a welding process, and is high in flange strength, simple in structure and good in sealability.
Description
Technical field
The utility model belongs to the automobile exhaust pipe technical field, more particularly, relates to a kind of new automobile outlet pipe flange arrangement.
Background technique
At present, existing automobile exhaust pipe flange arrangement directly is welded on flanged surface during the outlet pipe welding; Such structure; Make outlet pipe in the process of expanding with heat and contract with cold, cause the flanged surface amount of deformation bigger, also be difficult to the control flange planeness in welding process and satisfy the design accuracy requirement that this just causes flange and assembling between the flange to be connected the back leaking gas easily; Deflection takes place in the position that causes link easily, and sealing is poor.
The model utility content
The utility model technical problem to be solved is: the deficiency to existing technology, and provide a kind of welding not yielding, strength of flange is high, and is simple in structure, the new automobile outlet pipe flange arrangement of good airproof performance.
Solve above-described technical problem, the technological scheme that the utility model is taked is:
The utility model is a kind of new automobile outlet pipe flange arrangement; Comprise flange body; Outlet pipe; Have flange center's via hole on the flange body, be provided with on described flange body and the outlet pipe flange connecting face I along flange center's via hole one boss structure in week, described outlet pipe is set to the structure that is fixedly connected with boss structure.
Be set to integral structure between described boss structure and the flange body; Between the outer surface of boss structure and the flanged surface I recessed globoidal structure is set; Described outlet pipe is set to be sleeved on the structure on the boss structure, and outlet pipe is connected an end with boss structure outlet pipe inwall is set to the structure that is fitted and connected with globoidal structure.
Described outlet pipe also can be set to insert the structure in flange center's via hole, and described outlet pipe is set to the structure that is fitted and connected through exhaust tube wall and boss structure inwall.
Be connected through welding manner between described outlet pipe and the boss structure, the groove of diameter greater than flange center's via hole is set on the flanged surface II of flange body, groove is provided with the concave surface that has the oblique angle.
The seal ring that is provided for sealing in the described groove, described seal ring protrude in the structure on flanged surface II plane when being set to be placed in the groove.
Be provided with the sealing gasket that is used to seal in the described groove, be provided with on the described sealing gasket along the convex tendon in one week of sealing gasket surface, convex tendon protrudes in the structure on flanged surface II plane when being set to be placed in the groove.
Adopt the technological scheme of the utility model, can obtain following beneficial effect:
The automobile exhaust pipe flange arrangement of the utility model, in practical application, the boss structure of flange body and outlet pipe welding; Through flange attachment hole and flange center via hole location; Welding heat affected zone is little, and the welding deformation that causes that expands with heat and contract with cold concentrates on flange boss structure place, reduces the bulk deformation of flange body; Improve planeness, inclination after flange welds, make planeness, the inclination of flange body reach the design accuracy requirement.Between being connected, the assembling of flange and flange seals with seal ring or the sealing gasket that has a convex tendon; Tighten through bolt, nut connection; The lip-deep pressure of seal ring or sealing gasket produces distortion after reaching certain numerical value in the rundown process, and fills up the injustice place between the flange, makes the joint of flange and flange tighter; Difficult gas leakage reduced noise, reduced and reveal the pollution of gas to environment.The pipeline that the utility model is particularly suitable between the outlet pipe connects, and is fit to produce in batches, is applicable to that also other flange connections need the occasion of sealing fully.Description of drawings
The mark of facing down among expressed content of each accompanying drawing of this specification and the figure is made briefly bright:
Fig. 1 is the plan structure schematic representation of the described new automobile outlet pipe of the utility model flange arrangement;
Fig. 2 is the structural representation of the outlet pipe that is connected with the new automobile outlet pipe flange arrangement of Fig. 1;
Sectional structure schematic representation when Fig. 3 is the described new automobile outlet pipe of the utility model flange arrangement installation seal ring;
Sectional structure schematic representation when Fig. 4 is the described new automobile outlet pipe of the utility model flange arrangement installation sealing gasket;
Mark among the figure: 1, flange body; 2, outlet pipe; 3, flange center's via hole; 4, flanged surface I; 5, boss structure; 6, boss structure outer surface; 7, globoidal structure; 8, outlet pipe inwall; 9, flanged surface II; 10, groove; 11, concave surface; 12, seal ring; 13, sealing gasket; 14, convex tendon; 15, flange attachment hole.
Embodiment
Contrast accompanying drawing below; Through description, the effect of the mutual alignment between the shape of the embodiment of the utility model such as related each member, structure, the each several part and annexation, each several part and working principle etc. are done further to specify to instance:
Shown in accompanying drawing 1--accompanying drawing 4; The utility model is a kind of new automobile outlet pipe flange arrangement; Comprise flange body 1, outlet pipe 2 has flange center's via hole 3 on the flange body 1; Be provided with along flange center's via hole boss structure 5 in 3 one weeks on described flange body 1 and the outlet pipe 2 flange connecting face I 4, described outlet pipe 2 is set to the structure that is fixedly connected with boss structure 5.
Be set to integral structure between described boss structure 5 and the flange body 1; Between the boss structure outer surface 6 of boss structure 5 and the flanged surface I 4 recessed globoidal structure 7 is set; Described outlet pipe 2 is set to be sleeved on the structure on the boss structure 5, and outlet pipe 2 is connected an end with boss structure 5 outlet pipe inwall 8 is set to the structure that is fitted and connected with globoidal structure 7.
Described outlet pipe 2 also can be set to insert the structure in flange center's via hole 3, and described outlet pipe 2 is set to the structure that is fitted and connected through outlet pipe 2 outer walls and boss structure 5 inwalls.
Be connected through welding manner between described outlet pipe 2 and the boss structure 5, the groove 10 of diameter greater than flange center's via hole 3 is set on the flanged surface II9 of flange body 1, groove 10 is provided with the concave surface 11 that has the oblique angle.
The seal ring 12 that is provided for sealing in the described groove 10, described seal ring 12 protrude in the structure on flanged surface II9 plane when being set to be placed in the groove 10.
Be provided with the sealing gasket 13 that is used to seal in the described groove 10, be provided with on the described sealing gasket 13 along the convex tendon 14 in one week of sealing gasket surface, described raised line 14 protrudes in the structure on flanged surface II9 plane when being set to be placed in the groove 10.
The technological scheme that the utility model adopts is: on the flanged surface I 4 of flange body 1, be designed with boss structure 5, (during structure that outlet pipe 2 is set to be fitted and connected through outlet pipe 2 outer walls and boss structure 5 inwalls, being between boss structure 5 and outlet pipe 2 outer walls) welds through the arc-welding thawing between the outlet pipe inwall 8 of boss structure 5 and outlet pipe 2; Such structure makes flange body 1 receive the regional little of heat affecting, and the welding deformation that causes of expanding with heat and contract with cold concentrates on boss structure 5 places of flange; Thereby reduce the bulk deformation of flange body 1; Improve planeness, inclination after flange arrangement welds, increase flange arrangement rigidity and binding force, save welding consumables; Reduce cost, reduce weld defects; Reduce the correction work that flange arrangement welding back distortion increases, increase work efficiency, reduce labor intensity.
Be provided with the concave surface 11 at oblique angle on the flanged surface II9 of flange; Seal with seal ring 12 or the sealing gasket 13 that has a convex tendon 14 between the assembling of flange and flange is connected, the flange attachment hole 15 through bolt, two flange connecting of nut connection tights a bolt, in the nut process; Seal ring 12 or sealing gasket 13 lip-deep pressure produce distortion after reaching certain numerical value; And fill up uneven place on the flange concave surface 11, make the joint of flange and flange tighter, difficult gas leakage.
Combine accompanying drawing that the utility model has been carried out exemplary description above; Obviously the concrete realization of the utility model does not receive the restriction of aforesaid way; As long as adopted method design of the utility model and the various improvement that technological scheme is carried out; Or the design of the utility model and technological scheme are directly applied to other occasions without improving, all in the protection domain of the utility model.
Claims (6)
1. new automobile outlet pipe flange arrangement; Comprise flange body (1); Outlet pipe (2); Have flange center's via hole (3) on the flange body (1), it is characterized in that: be provided with on described flange body (1) and outlet pipe (2) the flange connecting face I (4) along flange center's via hole boss structure (5) in (3) one weeks, described outlet pipe (2) is set to the structure that is fixedly connected with boss structure (5).
2. new automobile outlet pipe flange arrangement according to claim 1; It is characterized in that: be set to integral structure between described boss structure (5) and the flange body (1); Between the boss structure outer surface (6) of boss structure (5) and the flanged surface I (4) recessed globoidal structure (7) is set; Described outlet pipe (2) is set to be sleeved on the structure on the boss structure (5), and outlet pipe (2) is connected the structure that outlet pipe inwall (8) is set to and globoidal structure (7) is fitted and connected of an end with boss structure (5).
3. new automobile outlet pipe flange arrangement according to claim 1 and 2; It is characterized in that: described outlet pipe (2) is set to insert the structure in flange center's via hole (3), and described outlet pipe (2) is set to the structure that is fitted and connected through outlet pipe (2) outer wall and boss structure (5) inwall.
4. new automobile outlet pipe flange arrangement according to claim 3; It is characterized in that: be connected through welding manner between described outlet pipe (2) and the boss structure (5); The groove (10) of diameter greater than flange center's via hole (3) is set on the flanged surface II (9) of flange body (1), and groove (10) is provided with the concave surface (11) that has the oblique angle.
5. new automobile outlet pipe flange arrangement according to claim 4; It is characterized in that: the seal ring (12) that is provided for sealing in the described groove (10), described seal ring (12) are set to be placed on the structure that groove (10) protrudes in flanged surface II (9) plane when interior.
6. new automobile outlet pipe flange arrangement according to claim 5; It is characterized in that: be provided with the sealing gasket (13) that is used to seal in the described groove (10); The convex tendon (14) in one week along sealing gasket surface is set on the described sealing gasket (13), and described convex tendon (14) is set to be placed on the structure that groove (10) protrudes in flanged surface II (9) plane when interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120471542 CN202349438U (en) | 2011-11-23 | 2011-11-23 | Novel flange structure of automotive exhaust pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120471542 CN202349438U (en) | 2011-11-23 | 2011-11-23 | Novel flange structure of automotive exhaust pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202349438U true CN202349438U (en) | 2012-07-25 |
Family
ID=46538445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120471542 Expired - Fee Related CN202349438U (en) | 2011-11-23 | 2011-11-23 | Novel flange structure of automotive exhaust pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202349438U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090135A (en) * | 2012-11-15 | 2013-05-08 | 镇江步云电子有限公司 | Flange connecting structure |
| CN104455846A (en) * | 2014-11-24 | 2015-03-25 | 常熟市宇力机械有限公司 | Flange connection sealing device |
| CN105525972A (en) * | 2014-10-17 | 2016-04-27 | 现代自动车株式会社 | Exhaust pipe for turbo engine |
| 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 |
| CN108799661A (en) * | 2018-08-31 | 2018-11-13 | 无锡市钰汌工贸有限公司 | A kind of strainer flange gasket |
-
2011
- 2011-11-23 CN CN 201120471542 patent/CN202349438U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090135A (en) * | 2012-11-15 | 2013-05-08 | 镇江步云电子有限公司 | Flange connecting structure |
| CN105525972A (en) * | 2014-10-17 | 2016-04-27 | 现代自动车株式会社 | Exhaust pipe for turbo engine |
| CN104455846A (en) * | 2014-11-24 | 2015-03-25 | 常熟市宇力机械有限公司 | Flange connection sealing device |
| 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 |
| CN108799661A (en) * | 2018-08-31 | 2018-11-13 | 无锡市钰汌工贸有限公司 | A kind of strainer flange gasket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20141123 |
|
| EXPY | Termination of patent right or utility model |