CN104670002B - A kind of exhaust pipe fixation structure - Google Patents
A kind of exhaust pipe fixation structure Download PDFInfo
- Publication number
- CN104670002B CN104670002B CN201510037719.7A CN201510037719A CN104670002B CN 104670002 B CN104670002 B CN 104670002B CN 201510037719 A CN201510037719 A CN 201510037719A CN 104670002 B CN104670002 B CN 104670002B
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- CN
- China
- Prior art keywords
- exhaust pipe
- mounting bracket
- suspension hook
- pipe mounting
- downtake
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- Exhaust Silencers (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The present invention provides a kind of exhaust pipe fixation structures, including floor side member, floor afterwards, downtake pipe mounting bracket, downtake pipe installs suspension hook, second exhaust pipe installs suspension hook, second exhaust pipe mounting bracket and back buffer beam, wherein, the back buffer beam respectively with the floor side member, floor connects afterwards, the downtake pipe mounting bracket, second exhaust pipe mounting bracket is connect with the back buffer beam respectively, the downtake pipe installation suspension hook is arranged in the downtake pipe mounting bracket, the second exhaust pipe installation suspension hook is arranged in the second exhaust pipe mounting bracket.The beneficial effects of the invention are as follows：The dynamic stiffness that exhaust pipe mounting structure can be greatly improved avoids the problem that the exhaust pipe in vehicle traveling shakes the resonance and shake for easily causing floor, the abundant painting electrophoresis of energy, and enough electrodeposited paint films can guarantee the rustless property of structure.
Description
Technical field
The present invention relates to a kind of exhaust pipe fixation structures in body of a motor car more particularly to body of a motor car.
Background technology
Exhaust pipe installation point structure is important one of the hard spot structure of white body, and the quality of structure directly affects exhaust
Pipe is used and is shaken, the durable reliability of exhaust pipe fixed point.If fruit structure is bad, installation point insufficient rigidity, exhaust pipe exists
In vehicle traveling, the jigging motion of left and right upper and lower directions, which can lead to the durable cracking of body fixing point, even result in exhaust pipe fixes
It falls off after failure, influences vehicle normal use.Shown in traditional following Fig. 1 to Fig. 2 of car exhaust pipe installation point structure, including row
Tracheae installs suspension hook 1, rear floor 2, exhaust pipe mounting bracket 3, floor side member 4.
Prior art disadvantage is mainly：1, the fixed point of exhaust pipe is usually symmetric design, is arranged symmetrically in 4 He of floor side member
It is relatively common on floor 2 afterwards.Rigidity on floor side member 4 is easily guaranteed that, but the rigidity on rear floor 2 is poor, because of 2 material of rear floor
Thickness, the exhaust pipe during vehicle travels shake the resonance and shake for easily causing rear floor 2；2, exhaust pipe structure intensity difference, weldering
Point is easy cracking；3, for the rigidity of installation point on floor 2 after improving, the thickness of exhaust pipe mounting bracket 3 can select relatively after, size
Larger structure, weight weight are of high cost；4, the exhaust pipe fixed point closed cavity structure on rear floor 2 can not ensure electrophoresis in cavity
Fully, electrophoresis liquid can remain in the cavity, and directly get rusty with moisture outside vehicle risk height in underbody position.
Invention content
In order to solve the problems in the prior art, the present invention provides a kind of higher exhaust pipe fixed knots of bonding strength
Structure.
The present invention provides a kind of exhaust pipe fixation structure, including floor side member, rear floor, downtake pipe mounting bracket,
Downtake pipe installs suspension hook, second exhaust pipe installation suspension hook, second exhaust pipe mounting bracket and back buffer beam, wherein described
Back buffer beam is connect with the floor side member, rear floor respectively, the downtake pipe mounting bracket, second exhaust pipe mounting bracket
It being connect respectively with the back buffer beam, the downtake pipe installation suspension hook is arranged in the downtake pipe mounting bracket,
The second exhaust pipe installation suspension hook is arranged in the second exhaust pipe mounting bracket.
As a further improvement on the present invention, the exhaust pipe fixation structure further includes end plate, the end plate and institute
State rear floor connection.
As a further improvement on the present invention, the downtake pipe mounting bracket, back buffer beam, floor side member mutually overlap.
As a further improvement on the present invention, the second exhaust pipe mounting bracket, back buffer beam, rear floor mutually overlap.
As a further improvement on the present invention, the second exhaust pipe mounting bracket is folded in the back buffer beam, afterwards
Between plate.
As a further improvement on the present invention, the downtake pipe mounting bracket is equipped with the first installation groove, described
Downtake pipe is installed suspension hook and is arranged in first installation groove.
As a further improvement on the present invention, the both sides of first installation groove are equipped with first and reinforce convex ribs, and described the
One exhaust pipe installation suspension hook is folded between the first reinforcement convex ribs.
As a further improvement on the present invention, the second exhaust pipe mounting bracket is equipped with the second installation groove, described
Second exhaust pipe is installed suspension hook and is arranged in second installation groove.
As a further improvement on the present invention, the both sides of second installation groove are equipped with second and reinforce convex ribs, and described the
Two exhaust pipes installation suspension hook is folded between the second reinforcement convex ribs.
The beneficial effects of the invention are as follows：Through the above scheme, only setting downtake pipe mounting bracket, second exhaust pipe are pacified
Holder is filled, reduces the quantity of exhaust pipe mounting bracket, by downtake pipe mounting bracket, the peace of second exhaust pipe mounting bracket
It decorates and moves on on back buffer beam, connected respectively with back buffer beam by downtake pipe mounting bracket, second exhaust pipe mounting bracket
It connects, and back buffer beam is framing structural member, can greatly improve the dynamic stiffness of exhaust pipe mounting structure, vehicle is avoided to travel
In exhaust pipe shaking the problem of easily causing the resonance and shake on floor, be different from conventional exhaust pipe and be mounted on rear floor
Closed cavity structure, the abundant painting electrophoresis of exhaust pipe fixation structure energy provided by the invention, enough electrodeposited paint films can guarantee knot
The rustless property of structure.
Description of the drawings
Fig. 1 is the structural schematic diagram of conventional exhaust pipe fixation structure in the prior art；
Fig. 2 is the sectional view A-A of Fig. 1；
Fig. 3 is a kind of dimensional structure diagram of exhaust pipe fixation structure of the present invention；
Fig. 4 is the partial enlarged view B of Fig. 3;
Fig. 5 is the sectional view C-C of Fig. 4；
Fig. 6 is the sectional view D-D of Fig. 4；
Fig. 7 is that a kind of downtake pipe mounting bracket of exhaust pipe fixation structure of the present invention installs suspension hook with downtake pipe
Assembling structure schematic diagram；
Fig. 8 is the sectional view E-E of Fig. 7；
Fig. 9 is that a kind of second exhaust pipe mounting bracket of exhaust pipe fixation structure of the present invention installs suspension hook with second exhaust pipe
Assembling structure schematic diagram；
Figure 10 is the sectional view F-F of Fig. 9；
Figure 11 is a kind of decomposition texture schematic diagram of exhaust pipe fixation structure of the present invention；
Figure 12 is a kind of dimensional structure diagram of exhaust pipe fixation structure of the present invention.
Specific implementation mode
The present invention is further described for explanation and specific implementation mode below in conjunction with the accompanying drawings.
Drawing reference numeral in Fig. 3 to Figure 12 is：Floor side member 1；Floor 2 afterwards；Downtake pipe mounting bracket 3；First exhaust
Pipe installs suspension hook 4；Second exhaust pipe installs suspension hook 5；Second exhaust pipe mounting bracket 6；Back buffer beam 7；End plate 8；Two laminates
Solder joint 9；Three ply board solder joint 10；First reinforces convex ribs 11；Second reinforces convex ribs 12.
As shown in Figures 3 to 12, a kind of exhaust pipe fixation structure, including floor side member 1, rear floor 2, downtake pipe installation
Holder 3, downtake pipe installation suspension hook 4, second exhaust pipe installation suspension hook 5, second exhaust pipe mounting bracket 6 and back buffer beam 7,
Wherein, the back buffer beam 7 is connect with the floor side member 1, rear floor 2 respectively, the downtake pipe mounting bracket 3, second
Exhaust pipe mounting bracket 6 is connect with the back buffer beam 7 respectively, and the downtake pipe installation suspension hook 4 is arranged described first
In exhaust pipe mounting bracket 3, the second exhaust pipe installation suspension hook 5 is arranged in the second exhaust pipe mounting bracket 6.
As shown in Figures 3 to 12, the present invention improves the position and structure overlapping mode of exhaust pipe, and exhaust pipe is fixed
Point is arranged in 1 rear end of floor side member and 7 position of back buffer beam, and first exhaust pipe lifting hook 4, second exhaust pipe lifting hook 5 is made to pass through respectively
Downtake pipe mounting bracket 3, second exhaust pipe mounting bracket 6 are connect with back buffer beam 7, rear floor 2, by with these skeletons
The connection of structural member, greatly improves dynamic stiffness, and the exhaust pipe in avoiding vehicle from travelling shakes the resonance for easily causing floor
The problem of with shake；Different from the closed cavity structure on floor after conventional exhaust pipe, exhaust pipe fixed knot provided by the invention
Structure, the abundant painting electrophoresis of non-enclosed overlapping mode energy, enough electrodeposited paint films can guarantee the rustless property of structure.
As shown in Figures 3 to 12, the downtake pipe mounting bracket 3 is welded with 7 phase of the back buffer beam, forms two layers
Plate solder joint 9.
As shown in Figures 3 to 12, the second exhaust pipe mounting bracket 6 is welded with 7 phase of the back buffer beam, forms two layers
Plate solder joint 9.
As shown in Figures 3 to 12, the exhaust pipe fixation structure further includes end plate 8, the end plate 8 and the rear ground
Plate 2 connects.
As shown in Figures 3 to 12, the downtake pipe mounting bracket 3, back buffer beam 7,1 phase of floor side member overlap joint.
As shown in Figures 3 to 12, the second exhaust pipe mounting bracket 6, back buffer beam 7,2 phase of rear floor overlap joint.
As shown in Figures 3 to 12, the second exhaust pipe mounting bracket 6, back buffer beam 7, the welding of 2 phase of rear floor, form
Three ply board solder joint 10.
As shown in Figures 3 to 12, the second exhaust pipe mounting bracket 6 be folded in the back buffer beam 7, rear floor 2 it
Between.
As shown in Figures 3 to 12, the downtake pipe mounting bracket 3 is equipped with the first installation groove, the first row
Tracheae is installed suspension hook 4 and is arranged in first installation groove.
As shown in Figures 3 to 12, the both sides of first installation groove are equipped with the first reinforcement convex ribs 11, the first exhaust
Pipe installation suspension hook 4 is folded between the first reinforcement convex ribs 11.
As shown in Figures 3 to 12, the second exhaust pipe mounting bracket 6 is equipped with the second installation groove, the second row
Tracheae is installed suspension hook 5 and is arranged in second installation groove.
As shown in Figures 3 to 12, the both sides of second installation groove are equipped with the second reinforcement convex ribs 12, the second exhaust
Pipe installation suspension hook 5 is folded between the second reinforcement convex ribs 12.
As shown in Figures 3 to 12, downtake pipe installation suspension hook 4, second exhaust pipe installation suspension hook 5 are respectively with first
Exhaust pipe mounting bracket 3, second exhaust pipe mounting bracket 6 pass through CO2Gas shielded arc welding connects, and is then indulged with back buffer beam 7, afterwards
1 spot welding of beam connects, and the bonding strength between part is improved by this connection type.Pass through this connection type, exhaust pipe
Suspension hook is optimized to 2 by 4 of traditional structure, has not only realized the lightweight of structure but also has realized reduction manufacturing cost.
As shown in Figures 3 to 12, the first reinforcement of design convex ribs 11 are existing to first row in downtake pipe mounting bracket 3
Tracheae installs the welding positioning action of suspension hook 4, and is improved the effect of the rigidity of structure, similarly, in second exhaust pipe mounting bracket 6
The existing welding positioning action to second exhaust pipe installation suspension hook 5 of convex ribs 12 is reinforced in upper design second, and is improved the rigidity of structure
Effect.
As shown in Figures 3 to 12, downtake pipe installation suspension hook 4, second exhaust pipe installation suspension hook 5 are respectively with first
Exhaust pipe mounting bracket 3, second exhaust pipe mounting bracket 6 pass through CO2Gas shielded arc welding connects, and improves bonding strength, the row of avoiding
Tracheae shakes in vehicle travel process to be deformed or falls off to pullling for suspension hook, ensures structure reliable durable.
A kind of exhaust pipe fixation structure provided by the invention has the following advantages：
1, fixed point only installs suspension hook realization with 2 exhaust pipes after exhaust pipe, and 2 suspension hooks are saved than traditional structure；
2, downtake pipe mounting bracket 3, second exhaust pipe mounting bracket 6 are connect with back buffer beam 7, floor side member 1 respectively,
Avoid the problem of exhaust pipe shaking in vehicle traveling easily causes the resonance and shake on floor；
3 downtake pipe mounting brackets 3, second exhaust pipe mounting bracket 6, downtake pipe installation suspension hook 4, second exhaust
Pipe installation suspension hook 5 is fully connect with floor side member 1, back buffer beam 7 respectively, and the rigidity of structure is good, solves the caused weldering of durable use
Point problem of Cracking；
4, exhaust pipe permanent opening formula structure can have good rust-preventing characteristic in the effective japanning of application, sufficient electrodeposited paint film
Energy；
5, the first reinforcement convex ribs 11, second, which reinforce convex ribs 12, can effectively improve the rigidity of structure；
6, downtake pipe mounting bracket 3, second exhaust pipe mounting bracket 6 respectively with floor side member 1, three layers of end plate 8
Plate welding improves structure connectivity, substantially increases structural strength.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
The specific implementation of the present invention is confined to these explanations.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to the present invention's
Protection domain.
Claims (5)
1. a kind of exhaust pipe fixation structure, it is characterised in that：Including floor side member, rear floor, downtake pipe mounting bracket, first
Exhaust pipe installs suspension hook, second exhaust pipe installation suspension hook, second exhaust pipe mounting bracket and back buffer beam, wherein the rear defence
It hits beam to connect with the floor side member, rear floor respectively, the downtake pipe mounting bracket, second exhaust pipe mounting bracket difference
It is connect with the back buffer beam, the downtake pipe installation suspension hook is arranged in the downtake pipe mounting bracket, described
Second exhaust pipe is installed suspension hook and is arranged in the second exhaust pipe mounting bracket, and the exhaust pipe fixation structure further includes rear end
Plate, the end plate are connect with the rear floor, and the downtake pipe mounting bracket, back buffer beam, floor side member mutually overlap, institute
State second exhaust pipe mounting bracket, back buffer beam, rear floor mutually overlap, the second exhaust pipe mounting bracket sandwiched is in the rear
Between collision prevention girders, rear floor.
2. exhaust pipe fixation structure according to claim 1, it is characterised in that：It is set in the downtake pipe mounting bracket
There are the first installation groove, the downtake pipe installation suspension hook to be arranged in first installation groove.
3. exhaust pipe fixation structure according to claim 2, it is characterised in that：The both sides of first installation groove are equipped with
First reinforces convex ribs, and the downtake pipe installation suspension hook is folded between the first reinforcement convex ribs.
4. exhaust pipe fixation structure according to claim 1, it is characterised in that：It is set in the second exhaust pipe mounting bracket
There are the second installation groove, the second exhaust pipe installation suspension hook to be arranged in second installation groove.
5. exhaust pipe fixation structure according to claim 4, it is characterised in that：The both sides of second installation groove are equipped with
Second reinforces convex ribs, and the second exhaust pipe installation suspension hook is folded between the second reinforcement convex ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510037719.7A CN104670002B (en) | 2015-01-26 | 2015-01-26 | A kind of exhaust pipe fixation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510037719.7A CN104670002B (en) | 2015-01-26 | 2015-01-26 | A kind of exhaust pipe fixation structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104670002A CN104670002A (en) | 2015-06-03 |
| CN104670002B true CN104670002B (en) | 2018-07-27 |
Family
ID=53305799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510037719.7A Active CN104670002B (en) | 2015-01-26 | 2015-01-26 | A kind of exhaust pipe fixation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104670002B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021142764A (en) * | 2018-04-11 | 2021-09-24 | 本田技研工業株式会社 | Body structure of automobile |
| JP6929609B2 (en) * | 2018-12-26 | 2021-09-01 | ダイハツ工業株式会社 | Exhaust pipe holding structure |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2789913B2 (en) * | 1992-03-10 | 1998-08-27 | 日産自動車株式会社 | Exhaust system for internal combustion engine |
| JPH10315791A (en) * | 1997-05-15 | 1998-12-02 | Suzuki Motor Corp | Exhaust system supporting structure of engine for vehicle |
| JP4581509B2 (en) * | 2004-06-30 | 2010-11-17 | マツダ株式会社 | Lower body structure of the vehicle |
| JP2009013826A (en) * | 2007-07-03 | 2009-01-22 | Mazda Motor Corp | Exhaust system support structure for vehicle |
| CN201283777Y (en) * | 2008-10-15 | 2009-08-05 | 上海通用汽车有限公司 | Exhaust tube hanging hook and passenger car with the same |
| JP5397603B2 (en) * | 2009-05-25 | 2014-01-22 | スズキ株式会社 | Muffler support structure |
| JP5299635B2 (en) * | 2009-08-26 | 2013-09-25 | スズキ株式会社 | Exhaust pipe support structure |
| CN204567269U (en) * | 2015-01-26 | 2015-08-19 | 上汽通用五菱汽车股份有限公司 | A kind of freeing pipe fixed sturcture |
-
2015
- 2015-01-26 CN CN201510037719.7A patent/CN104670002B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104670002A (en) | 2015-06-03 |
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