CN202088837U - Improving structure of rear axle of suspension torsion beam for vehicle - Google Patents
Improving structure of rear axle of suspension torsion beam for vehicle Download PDFInfo
- Publication number
- CN202088837U CN202088837U CN2011201799795U CN201120179979U CN202088837U CN 202088837 U CN202088837 U CN 202088837U CN 2011201799795 U CN2011201799795 U CN 2011201799795U CN 201120179979 U CN201120179979 U CN 201120179979U CN 202088837 U CN202088837 U CN 202088837U
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- China
- Prior art keywords
- torsion beam
- suspension
- improved
- towing arm
- back axle
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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 an improving structure of a rear axle of a suspension torsion beam for a vehicle, belonging to the technical field of vehicles and solving the problems that the existing rear axle of the suspension torsion beam for the vehicle is relatively poorer in anti-bending and anti-torsion properties, is not compact in mounting structure and occupies large space. The improving structure of the rear axle of the suspension torsion beam for the vehicle comprises a torsion beam and trailing arms connected with two end parts of the torsion beam, the torsion beam is provided with a U-shaped cross section, the opening of the U-shaped cross section of the torsion beam faces downwards, and the trailing arms are formed in a way that a steel pipe punches a steel pipe. According to the improving structure of the rear axle of the suspension torsion beam for the vehicle, the cross section of the torsion beam is U-shaped, the opening of the U-shaped cross section faces downwards, the height of the shearing center of the torsion beam and the height of the inclined center of a rear suspension can be increased, and the operation stability of the rear suspension can be improved; and a shock absorber bracket is used for fixing a screw nut by a screw nut box, the problem of poor welding performance of the screw nut can be avoided, and the mounting performance of the shock absorber can be improved.
Description
Technical field
The utility model belongs to automobile technical field, relates to a kind of automobile suspension torsion beam back axle, particularly a kind of automobile structure-improved of suspension torsion beam back axle.
Background technology
Along with developing rapidly of people's economic life level and auto manufacturing, automobile is as a kind of important vehicle, huge numbers of families have been entered, and Biodge device is one of assembly indispensable on the automobile behind the suspension on the automobile, and automotive suspension torsion beam back axle comprises torsion beam and pull arm with the torsion beam bonded assembly that existing torsion beam is most for being welded, having high input of its mould, the complex technical process of welding, the productive costs height, and also the weight of whole back axle is bigger.
Those skilled in the art are by research and test, alleviate the weight of automotive suspension torsion beam back axle by the torsion beam that adopts U type or W type cross section, and the opening in the cross section of torsion beam is up or towards sidepiece.The problem that the automotive suspension torsion beam back axle of this spline structure exists is: 1, the layout of torsion beam is unfavorable for pulling being connected of structure such as arm and torsion beam, and the bending resistance of torsion beam is relative with torsional property relatively poor; 2, the mounting structure of drg, bumper is not compact, and it is big to take up room.
Summary of the invention
The purpose of this utility model is to have the problems referred to above at existing technology, has proposed a kind of compact conformation, can improve the structure-improved of the automobile of torsion beam intensity and Vehicular turn performance with suspension torsion beam back axle.
The purpose of this utility model can realize by following technical proposal: a kind of automobile structure-improved of suspension torsion beam back axle, comprise torsion beam and the towing arm that is connected with its both ends, described torsion beam has the cross section that takes the shape of the letter U, it is characterized in that, the channel section opening of described torsion beam down, described towing arm adopts the moulding of steel pipe punching press bend pipe.
This automobile is the U type with the structure improved torsion beam cross section of suspension torsion beam back axle, has improved the torsional stiffness of torsion beam; The cross section opening improves the shear center and the rear suspension height of roll center of torsion beam down, improves the turning efficiency of vehicle.Adopt the towing arm intensity of steel pipe punching press bend pipe moulding higher.This automobile structure-improved of suspension torsion beam back axle, compact conformation, intensity height.
In above-mentioned automobile structure-improved, adopt semicircular ring overlap joint back to be connected mutually between described torsion beam and the described towing arm by welding with suspension torsion beam back axle.Weld seam between torsion beam and the towing arm is a circular arc, and fusion length is longer, guarantees welding performance.
In the structure-improved of above-mentioned automobile, be welded with spring tray on the described towing arm, the position left-right symmetric of described spring tray with suspension torsion beam back axle.The spring tray integral solder is being pulled on the arm, and forms integral structure with the towing arm, connects reliable.
In the structure-improved of above-mentioned automobile with suspension torsion beam back axle, be welded with the shock absorber support that is used for mounting shock absorber on the described towing arm, be welded with the nut box that nut is equipped with in inside on the shock absorber support.Bumper is connected on the shock absorber support by nut, adopts the structure of welded nut box, can evade the problem of nut welding performance difference, guarantees the installation strength of bumper.
In the structure-improved of above-mentioned automobile with suspension torsion beam back axle, described nut box is to be formed by the metal sheet bending, has the cavity of the nut of can packing on it.Nut box easy to process is convenient to and the shock absorber support welding, and nut is packed into and located with nut box after the nut box.
In the structure-improved of above-mentioned automobile with suspension torsion beam back axle, the coupling end of described towing arm and girder is provided with brace panel.Further improve the Joint strenght of towing arm and girder.
Compared with prior art, this automobile is with the structure improved advantage of suspension torsion beam back axle:
1, this automobile takes the shape of the letter U with the structure improved torsion beam cross section of suspension torsion beam back axle, and the channel section opening down, can improve the shear center and the rear suspension height of roll center of torsion beam, improves rear suspension handling stability energy.
2, this automobile is fixed with a nut with the structure improved shock absorber support of suspension torsion beam back axle by nut box, can evade the problem of nut welding performance difference, improves the installation capability of bumper.
3, this automobile improves the Joint strenght of towing arm and girder with being welded with brace panel between the structure improved torsion beam of suspension torsion beam back axle and the towing arm.
Description of drawings
Fig. 1 is the structure improved structural representation of this automobile with suspension torsion beam back axle.
Fig. 2 is the schematic cross-section of this automobile with the structure improved torsion beam of suspension torsion beam back axle.
Fig. 3 is the structure improved structural representation of this automobile with suspension torsion beam back axle.
Among the figure, 1, torsion beam; 2, towing arm; 3, spring tray; 4, shock absorber support; 5, brake support frame; 6, nut box; 7, nut; 8, brace panel.
The specific embodiment
Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figure 1, this automobile comprises torsion beam 1, towing arm 2, spring tray 3, shock absorber support 4 and brake support frame 5 with the structure-improved of suspension torsion beam 1 back axle.
Specifically, as shown in Figure 2, the cross section of torsion beam 1 is the U type, and the opening in cross section down.Such arrangement can improve the shear center and the rear suspension height of roll center of torsion beam 1, improves rear suspension handling stability energy.As shown in Figure 1, the both ends of torsion beam 1 are welded with towing arm 2.Concrete welding process: the both ends with torsion beam 1 behind the towing arm 2 employing steel pipe punching press bending formings overlap, and lap-joint is annular arrangement, will pull arm 2 in lap-joint by welding process again and be connected on the torsion beam 1.The fusion length of towing arm 2 and torsion beam 1 is longer, connects reliable.In the present embodiment, be provided with brace panel 8 between towing arm 2 and the torsion beam 1, weld with the lateral surface that pulls arm 2 and torsion beam 1 respectively at the two ends of brace panel 8.
As shown in Figure 1, be welded with spring tray 3 on the towing arm 2, the integral body of spring tray 3 all links to each other with towing arm 2, and the stability of spring tray 3 better.Also be welded with shock absorber support of installing for bumper 4 and the brake support frame of installing for drg 5 on the towing arm 2.As shown in Figure 3, shock absorber support 4 is welded with the nut box 6 that the metal sheet bending forms near the side of towing arm 2, and the correspondence position of towing arm 2 has the resigning hole that passes for nut box 6, and nut 7 is housed in the nut box 6.Nut 7 circumferential and axial of packing into after the nut box 6 are all located with nut box 6, and nut 7 and nut box 6 can not relatively rotate.Shock absorber support 4 has the mounting groove of packing into for bumper, and lateral surface offers and the cooresponding mounting hole in nut 7 positions, and bumper is packed in the mounting groove, and the housing that bolt passes mounting hole and bumper screws in the nut 7, makes bumper and shock absorber support 4 location.The design of nut box 6 can be evaded the problem of nut 7 welding performance differences, guarantees the installation strength of bumper.
Specific embodiment described herein only is that the utility model spirit is made casehistory.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used terms such as torsion beam 1, towing arm 2, spring tray 3, shock absorber support 4, brake support frame 5, nut box 6, nut 7, brace panel 8 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (6)
1. an automobile is with the structure-improved of suspension torsion beam back axle, comprise torsion beam (1) and the towing arm (2) that is connected with its both ends, described torsion beam (1) has the cross section that takes the shape of the letter U, it is characterized in that, the channel section opening of described torsion beam (1) down, described towing arm (2) adopts the moulding of steel pipe punching press bend pipe.
2. automobile according to claim 1 is characterized in that with the structure-improved of suspension torsion beam back axle, adopts semicircular ring overlap joint back to be connected mutually by welding between described torsion beam (1) and the described towing arm (2).
3. automobile according to claim 1 is characterized in that with the structure-improved of suspension torsion beam back axle, is welded with spring tray (3) on the described towing arm (2), the position left-right symmetric of described spring tray (3).
4. according to claim 1 or 2 or 3 described automobiles structure-improved with suspension torsion beam back axles, it is characterized in that, be welded with the shock absorber support (4) that is used for mounting shock absorber on the described towing arm (2), be welded with inside on the shock absorber support (4) nut box of nut (7) (6) is housed.
5. automobile according to claim 4 is characterized in that with the structure-improved of suspension torsion beam back axle described nut box (6) is to be formed by the metal sheet bending, has the cavity of nut (7) of can packing on it.
6. automobile according to claim 4 is characterized in that with the structure-improved of suspension torsion beam back axle described towing arm (2) is provided with brace panel (8) with the coupling end of girder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201799795U CN202088837U (en) | 2011-05-31 | 2011-05-31 | Improving structure of rear axle of suspension torsion beam for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201799795U CN202088837U (en) | 2011-05-31 | 2011-05-31 | Improving structure of rear axle of suspension torsion beam for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202088837U true CN202088837U (en) | 2011-12-28 |
Family
ID=45363924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201799795U Expired - Fee Related CN202088837U (en) | 2011-05-31 | 2011-05-31 | Improving structure of rear axle of suspension torsion beam for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202088837U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104325855A (en) * | 2014-11-19 | 2015-02-04 | 重庆永淳新能源科技有限公司 | Anti-collision safety rear axle structure for rear-drive electric automobile |
| CN105667242A (en) * | 2014-11-20 | 2016-06-15 | 上海汽车集团股份有限公司 | Automobile and torsion beam structure of automobile |
| CN110843451A (en) * | 2019-10-31 | 2020-02-28 | 安徽万安汽车零部件有限公司 | Closed rear torsion beam with special structure |
-
2011
- 2011-05-31 CN CN2011201799795U patent/CN202088837U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104325855A (en) * | 2014-11-19 | 2015-02-04 | 重庆永淳新能源科技有限公司 | Anti-collision safety rear axle structure for rear-drive electric automobile |
| CN104325855B (en) * | 2014-11-19 | 2017-05-17 | 重庆永淳新能源科技有限公司 | Anti-collision safety rear axle structure for rear-drive electric automobile |
| CN105667242A (en) * | 2014-11-20 | 2016-06-15 | 上海汽车集团股份有限公司 | Automobile and torsion beam structure of automobile |
| CN105667242B (en) * | 2014-11-20 | 2017-08-08 | 上海汽车集团股份有限公司 | The torsion girder construction of automobile and automobile |
| CN110843451A (en) * | 2019-10-31 | 2020-02-28 | 安徽万安汽车零部件有限公司 | Closed rear torsion beam with special structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111228 Termination date: 20140531 |