CN207229224U - A kind of plug-in type adjustable exhaust pipe connection structure - Google Patents
A kind of plug-in type adjustable exhaust pipe connection structure Download PDFInfo
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- CN207229224U CN207229224U CN201721219893.4U CN201721219893U CN207229224U CN 207229224 U CN207229224 U CN 207229224U CN 201721219893 U CN201721219893 U CN 201721219893U CN 207229224 U CN207229224 U CN 207229224U
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- annular sidewall
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Abstract
It the utility model is related to a kind of plug-in type adjustable exhaust pipe connection structure, the plug-in type adjustable exhaust pipe connection structure includes the first pipeline, second pipe, the asbestos pad and clip of annular, circumferentially arranged integrally formed 7 font of first pipe connection portion outer wall is raised, 7 font protrusion includes sloped sidewall and annular sidewall, the outboard end that annular sidewall is stretched out in the front end of first pipeline is set to form plug division, cavity is formed between annular sidewall and the first pipeline outer wall, asbestos pad is socketed in cavity, effectively increase the thickness of asbestos pad, improve the service life of asbestos pad, so that the air-tightness of exhaust pipe is guaranteed during integeral vehicle life.
Description
Technical field
Technical field of automobile accessories is the utility model is related to, particularly a kind of plug-in type adjustable exhaust pipe connection structure.
Background technology
There are a kind of connection structure of automobile exhaust pipe, the patent No.：2011200537371, title：" the company of automobile exhaust pipe
The prior art of binding structure ", is shown in Fig. 1, its structure is：Outer circle wall including the first pipeline 10, which is equipped with, protrudes from first pipe
The annular protrusion 11 in pipeline outer wall face, is equipped with 20 mouth of pipe of second pipe and is used for and annular protrusion 11 forms the flanging that sealing coordinates
21, the annular protrusion of first pipeline 10 is closely pasted with the flanging after the end of the first pipeline 10 is inserted into second pipe
Close.Above-mentioned connection mode, can not adjust the error of pipe radial direction, and causing the installment state disunities of two tubes, (concentricity obtains
Less than guarantee), miscellaneous part can only be taken, the error of radial direction is made up such as metal hose, bellows；And asbestos pad is due to airtight
Needs, very thin thickness, is prone to wear out, once the air-tightness of exhaust system will be influenced after damage.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of plug-in type simple in structure, that air-tightness is good to adjust row
Air pipe connection structure.
In order to solve the above technical problems, plug-in type adjustable exhaust pipe connection structure provided by the utility model, including：The
One pipeline, second pipe, the asbestos pad and clip of annular, the first pipe connection portion outer wall are circumferentially arranged integrally formed
7 fonts are raised, and 7 font protrusion includes sloped sidewall and annular sidewall, and the annular sidewall is coaxially set with first pipeline
Put, outer wall of the medial extremity of the annular sidewall through sloped sidewall and first pipeline is fixedly linked, before first pipeline
The outboard end that the annular sidewall is stretched out at end is set to form plug division, between the annular sidewall and first pipeline outer wall
Cavity is formed, the asbestos pad is socketed in the cavity；The connecting portion of the second pipe set gradually transition while, hold tightly while
With tubaeform flanging, the outer wall clearance fit of the inner wall and the first pipeline front end plug division for holding side tightly, so that institute
After stating in the holding side of the plug division insertion second pipe of the first pipeline front end, the clip is convex by flanging and 7 fonts
Play clamping to hold tightly, the top of tubaeform flanging is in contact with the outboard end of annular sidewall and closes cavity.
Further, the section of the asbestos pad is trapezoidal, and the left surface and right flank of the asbestos pad are inclined-plane, left surface
Angle of inclination and the complementary setting in angle of inclination of the flanging, the angle of inclination of right flank and the angle of inclination of sloped sidewall are mutual
Mend and set, so that after clip holds flanging and 7 font protrusions tightly, the left surface of asbestos pad is close to flanging setting, asbestos pad
Right flank is close to set with the madial wall of sloped sidewall, easy to improve the volume of leakproofness and asbestos pad, prolongs the service life.
Further, the length of the plug division of first pipeline vertically is 5mm to 10mm, holding edge axial direction
Length is not less than the length of the plug division, can be with fully wrapped around plug division so as to hold side tightly after the insertion of plug division.
The assembly method of above-mentioned plug-in type adjustable exhaust pipe connection structure, includes the following steps：
A, the trapezoidal ring-type asbestos pad in section is sleeved in the cavity of the first pipeline front end 7 font protrusion.
B, by the plug division insertion second pipe of the first pipeline front end, plug division, which is placed in, holds tightly in side and before plug division
End by transition side stop spacing, avoids insertion excessive；The top of the tubaeform flanging of second pipe and 7 fonts are convex at this time
The outboard end for playing annular sidewall is in contact, and cavity to be closed, asbestos pad is limited in cavity, flanging is to asbestos pad
Sloped sidewall is extruded to form sealing, reduces joint leaks.
C, by hoop sleeve in the joint of the first pipeline and second pipe so that second pipe flanging, 7 word of the first pipeline
The sloped sidewall of shape protrusion is placed in clip, locking hoop, is fixed at butt joint, strengthens sealing effect.
The technique effect of utility model：（1）The plug-in type adjustable exhaust pipe connection structure of the utility model, relative to existing
There is technology, be engaged using 7 circumferentially disposed fonts are raised with flanging so that 7 fonts are raised between second pipe outer wall
The cavity of asbestos pad can be placed by being formed, and effectively increase the thickness of asbestos pad, improve the service life of asbestos pad so that exhaust
The air-tightness of pipe is guaranteed during integeral vehicle life；（2）First pipeline and second pipe are attached using plug-in type, are inserted
Socket part and hold clearance fit between side tightly and holding fixation is carried out using anchor ear so that the error of radial direction is carried out by anchor ear during assembling
Make up, it is ensured that assembly precision.
Brief description of the drawings
The utility model is described in further detail with reference to Figure of description：
Fig. 1 is the schematic diagram of the connection structure of the automobile exhaust pipe of the prior art；
Fig. 2 is the diagrammatic cross-section of the plug-in type adjustable exhaust pipe connection structure of the utility model；
Fig. 3 is the cross-sectional view of first pipeline of the utility model；
Fig. 4 is the cross-sectional view of the second pipe of the utility model；
Fig. 5 is the partial enlarged view of a-quadrant in Fig. 2；
Fig. 6 is the diagrammatic cross-section of the plug-in type adjustable exhaust pipe connection structure other direction of the utility model.
In figure：First pipeline 10,11,7 font protrusion 12 of annular protrusion, annular sidewall 121, sloped sidewall 122, plug division
13, cavity 14, second pipe 20, flanging 21, holds side 22, transition side 23, asbestos pad 3, clip 4, engaging lug 41, spacer pin tightly
42。
Embodiment
Embodiment 1 as shown in Figures 2 to 6, the plug-in type adjustable exhaust pipe connection structure of the present embodiment, including：First
Pipeline 10, second pipe 20, the asbestos pad 3 and clip 4 of annular, two joints of clip 4 set engaging lug 41, on engaging lug 41
Set and be suitable for the screw hole that spacer pin 42 passes through, circumferentially arranged integrally formed 7 font of 10 connecting portion outer wall of the first pipeline is raised
12,7 font protrusion 12 includes sloped sidewall 122 and annular sidewall 121, and annular sidewall 121 is coaxially disposed with the first pipeline 10,
The medial extremity of the annular sidewall 121 is fixedly linked through sloped sidewall 122 and the outer wall of the first pipeline 10, the front end of the first pipeline 10
The outboard end for stretching out annular sidewall 121 is set to form plug division 13, which is 10mm（Other realities
It can also be 5mm to apply example）, cavity 14 is formed between 121 and first pipeline of annular sidewall, 10 outer wall, asbestos pad 4 is socketed in cavity
In 14；The connecting portion of second pipe 20 sets gradually inclined transition in 23, straight holding 22 and tubaeform flanging 21,
The section of asbestos pad 3 is trapezoidal, and the left surface and right flank of the asbestos pad 3 are inclined-plane, the angle of inclination of left surface and flanging
21 angle of inclination is complementary to be set, and the angle of inclination of right flank and the complementary setting in the angle of inclination of sloped sidewall 122, hold side 22 tightly
Length vertically is 15mm, holds the outer wall clearance fit of the 10 front end plug division 13 of inner wall and the first pipeline on side 22 tightly, so that
After clip 4 holds 21 and 7 font protrusion 12 of flanging tightly, clip 4 is tightened using spacer pin 42, at this time the left surface of asbestos pad 3
It is close to flanging 21 to set, the right flank of asbestos pad 3 is close to set with the madial wall of sloped sidewall 122, tubaeform flanging 21
Top be in contact with the outboard end of annular sidewall 121 and close cavity 14.
Embodiment 2
The assembly method of plug-in type adjustable exhaust pipe connection structure as described in Example 1, includes the following steps：
A, the trapezoidal ring-type asbestos pad 3 in section is sleeved in the cavity 14 of 10 front end of the first pipeline, 7 font protrusion 12.
B, the plug division 13 of 10 front end of the first pipeline is inserted into second pipe 20, plug division 10 be placed in hold tightly side 22 in and
The front end of plug division 13 by transition side 23 stop spacing, avoids insertion excessive；The tubaeform of second pipe 20 turns up at this time
The top on side 21 is in contact with the outboard end of 7 font raised annular side walls 121, and cavity 14 to be closed, asbestos pad 3 is limited
In cavity 14, while flanging 21 extrudes the sloped sidewall 122 of asbestos pad 3 to form sealing, reduces joint and lets out
Leakage.
Clip 4 is sleeved on to the joint of the first pipeline 10 and second pipe 20 so that 20 flanging 21 of second pipe, C,
The sloped sidewall 122 of one pipeline, 7 font protrusion 12 is placed in clip 4, locking hoop 4, is fixed at butt joint, strengthens sealing
Effect.
Obviously, above-described embodiment is only intended to clearly illustrate the utility model example, and is not to this reality
With the restriction of new embodiment.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.And these
Belong to the spiritual changes and variations that derived from of the utility model still in the scope of protection of the utility model
Among.
Claims (2)
- A kind of 1. plug-in type adjustable exhaust pipe connection structure, it is characterised in that including：First pipeline, second pipe, annular Asbestos pad and clip, circumferentially arranged integrally formed 7 font of the first pipe connection portion outer wall is raised, and 7 font is raised Including sloped sidewall and annular sidewall, the annular sidewall is coaxially disposed with first pipeline, the medial extremity of the annular sidewall Outer wall through sloped sidewall and first pipeline is fixedly linked, and the outer of the annular sidewall is stretched out in the front end of first pipeline Side is set to form plug division, and cavity, the asbestos cushion cover are formed between the annular sidewall and first pipeline outer wall It is connected in the cavity；The connecting portion of the second pipe set gradually transition while, hold tightly while and tubaeform flanging, described armful The inner wall of pilled-in selvedge and the outer wall clearance fit of the first pipeline front end plug division, so that the plug division of the first pipeline front end After being inserted into the holding side of the second pipe, the clip holds flanging and the raised clamping of 7 fonts tightly, tubaeform flanging Top be in contact with the outboard end of annular sidewall and close cavity.
- 2. plug-in type adjustable exhaust pipe connection structure according to claim 1, it is characterised in that first pipeline The length of plug division vertically is 5mm to 10mm, and the length for holding edge axial direction tightly is not less than the length of the plug division.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721219893.4U CN207229224U (en) | 2017-09-20 | 2017-09-20 | A kind of plug-in type adjustable exhaust pipe connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721219893.4U CN207229224U (en) | 2017-09-20 | 2017-09-20 | A kind of plug-in type adjustable exhaust pipe connection structure |
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| Publication Number | Publication Date |
|---|---|
| CN207229224U true CN207229224U (en) | 2018-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721219893.4U Active CN207229224U (en) | 2017-09-20 | 2017-09-20 | A kind of plug-in type adjustable exhaust pipe connection structure |
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| CN (1) | CN207229224U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296431A (en) * | 2018-10-23 | 2019-02-01 | 常州良旭车辆配件有限公司 | The exhaust pipe of automobile exhaust system and its basic pipe fitting |
| CN109519266A (en) * | 2017-09-20 | 2019-03-26 | 常州良旭车辆配件有限公司 | A kind of plug-in type adjustable exhaust pipe connection structure and its assembly method |
| CN113996426A (en) * | 2021-10-21 | 2022-02-01 | 山东鑫海矿业技术装备股份有限公司 | Sectional type vortex breaker |
-
2017
- 2017-09-20 CN CN201721219893.4U patent/CN207229224U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519266A (en) * | 2017-09-20 | 2019-03-26 | 常州良旭车辆配件有限公司 | A kind of plug-in type adjustable exhaust pipe connection structure and its assembly method |
| CN109296431A (en) * | 2018-10-23 | 2019-02-01 | 常州良旭车辆配件有限公司 | The exhaust pipe of automobile exhaust system and its basic pipe fitting |
| CN109296431B (en) * | 2018-10-23 | 2024-01-23 | 常州良旭车辆配件有限公司 | Exhaust pipeline of automobile exhaust system and basic pipe fitting thereof |
| CN113996426A (en) * | 2021-10-21 | 2022-02-01 | 山东鑫海矿业技术装备股份有限公司 | Sectional type vortex breaker |
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