CN203093622U - Rear torsion beam assembly of automobile - Google Patents
Rear torsion beam assembly of automobile Download PDFInfo
- Publication number
- CN203093622U CN203093622U CN 201320063789 CN201320063789U CN203093622U CN 203093622 U CN203093622 U CN 203093622U CN 201320063789 CN201320063789 CN 201320063789 CN 201320063789 U CN201320063789 U CN 201320063789U CN 203093622 U CN203093622 U CN 203093622U
- Authority
- CN
- China
- Prior art keywords
- retrotorsion
- torsion beam
- assembly
- erection support
- automobile
- Prior art date
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Vehicle Body Suspensions (AREA)
Abstract
The utility model provides a rear torsion beam assembly of an automobile, and belongs to the technical field of automobiles. The rear torsion beam assembly of the automobile resolves the technical problems that in the prior art, in order to improve the rigidity of a torsion beam, the cross section area of the torsion beam is increased, so that weight and cost are increased. The rear torsion beam assembly of the automobile comprises a rear torsion beam body, wherein the rear torsion beam body is a semi-sealed pipe body, the section of the rear torsion beam body forms an opening part, and edges of two sides of the opening part are bent outwards to form flanges. The rear torsion beam assembly of the automobile has the advantages of being good in strength and rigidity, and light in weight.
Description
Technical field
The utility model belongs to automobile technical field, relates to a kind of retrotorsion beam assembly of automobile.
Background technology
Representative type retrotorsion beam assembly generally comprises retrotorsion beam body, longeron, the coil spring support, the Shock absorber support, compositions such as wheel hub holder, retrotorsion beam body and longeron welding fabrication, and affect the torsional stiffness and the mode of total member to a great extent, must adopt the high strength low-carbon steel plate for this reason, generally select hot rolled steel plate for use, the retrotorsion beam should be considered the index aspect four in the time of design-calculated: assembly should have under the vehicle limiting condition and not damage, has enough intensity, assembly should have under vehicle operating mode commonly used durable in use, have enough fatigue lives, the retrotorsion beam participates in torsional deflection in the vehicle ', and torsional stiffness and front suspension torsional stiffness must be complementary, in order to avoid influence the operation stabilization performance, in general, need have enough torsional stiffnesies.
As the disclosed full pipe welding torsion beam back axle of patent (CN 202541213 U), comprise crossbeam and left and right longeron, be characterized in that crossbeam is the closed section varying cross-section duct and is the equal strength crossbeam that left and right longeron is the welding copper pipe of brake forming.
If but this torsion beam is in order to improve toe-in, camber stiffness and torsional stiffness, the type torsion beam need increase its cross-sectional area, causes the increase of weight and cost.
Summary of the invention
The utility model provides a kind of retrotorsion beam assembly of automobile at the problems referred to above that existing technology exists, and technical problem to be solved in the utility model is: handle the intensity that improves its each side by retrotorsion beam body part is bent.
The purpose of this utility model can realize by following technical proposal:
A kind of retrotorsion beam assembly of automobile, this assembly comprise a retrotorsion beam body, it is characterized in that, described retrotorsion beam body is that semiclosed tubular body and its cross section form a peristome, and the both sides of the edge of this peristome are by outwards being bent to form flange.
Its principle of work is as follows: the two ends of retrotorsion beam body connect two rear wheels, retrotorsion beam body needs enough strength and stiffness, when the both sides of the edge of its peristome by after being bent to form flange, can under the prerequisite that waits weight and cross-sectional area, significantly improve its strength and stiffness, make it satisfy higher mechanical characteristics requirement, this flange outwards turns down, and not only be convenient to make, and performance is better than bending inwards.
In the retrotorsion beam assembly of above-mentioned a kind of automobile, as a kind of scheme, the V-shaped or U-shaped in cross section of described retrotorsion beam body.Above-mentioned cross sectional shape is convenient to processing, and design can be extensive use of on common vehicle also than being easier to.
In the retrotorsion beam assembly of above-mentioned a kind of automobile, as another kind of scheme, described retrotorsion beam body is Ω shape together with the gross section of flange.Be the further processing of cross section needs of this shape, cost may improve a little, but the raising of its mechanical characteristics is bigger, behind flange, the toe-in of this retrotorsion beam body, camber stiffness promote 10%-15%, and torsional stiffness promotes 5%-10% simultaneously, and mechanical strength also strengthens greatly.
In the retrotorsion beam assembly of above-mentioned a kind of automobile, the angle between described flange and described peristome one lateral edges is 80 °-100 °.Flange angle in this is interval satisfies above-mentioned properties of mechanical to be strengthened.
In the retrotorsion beam assembly of above-mentioned a kind of automobile, described flange length is 4mm-6mm.Flange length in this is interval satisfies above-mentioned properties of mechanical and strengthens.
In the retrotorsion beam assembly of above-mentioned a kind of automobile, described retrotorsion beam body adopts punch forming, and the two side of its peristome has drafting angle, this drafting angle 〉=2 °.Suitable drafting angle helps improving the Sheet Metal Forming Technology performance.
In the retrotorsion beam assembly of above-mentioned a kind of automobile, the both sides of described retrotorsion beam body have been equipped with wheel hub erection support brace panel, the torsion beam trailing arm, torsion beam lining sleeve pipe, the bumper erection support, coil spring erection support and assembly brace panel, the end of described torsion beam trailing arm and retrotorsion beam body fixes, described wheel hub erection support brace panel is fixed on the torsion beam trailing arm, described torsion beam lining sleeve pipe and coil spring erection support are fixed on the torsion beam trailing arm, described bumper erection support fixes with torsion beam trailing arm and coil spring erection support respectively, and described assembly brace panel and torsion beam trailing arm are fixed.
Compared with prior art, advantage of the present utility model is as follows:
1, when the both sides of the edge of retrotorsion beam peristome by after being bent to form flange, can under the prerequisite that waits weight and cross-sectional area, significantly improve its strength and stiffness, make it satisfy higher mechanical characteristics requirement.
2, the retrotorsion beam cross section that is the Ω shape makes the toe-in of retrotorsion beam body, camber stiffness promote 10%-15%, and torsional stiffness promotes 5%-10% simultaneously, and mechanical strength also strengthens greatly.
Description of drawings
Fig. 1 is the structure front elevational schematic of retrotorsion beam assembly behind the automobile.
Fig. 2 is the structural upright scheme drawing of retrotorsion beam assembly behind the automobile.
Fig. 3 is the cross-sectional schematic of A-A among Fig. 1.
Fig. 4 is the enlarged drawing of the B portion among Fig. 3.
Fig. 5 is the exploded perspective view of retrotorsion beam assembly behind the automobile.
Among the figure, 1, retrotorsion beam body; 11, peristome; 12, flange; 2, wheel hub erection support brace panel; 3, torsion beam trailing arm; 4, torsion beam lining sleeve pipe; 5, bumper erection support; 6, coil spring erection support; 7, assembly 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.
Embodiment one:
As Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, this assembly comprises a retrotorsion beam body 1, the both sides of retrotorsion beam body 1 have been equipped with wheel hub erection support brace panel 2, torsion beam trailing arm 3, torsion beam lining sleeve pipe 4, bumper erection support 5, coil spring erection support 6 and assembly brace panel 7, the end of torsion beam trailing arm 3 and retrotorsion beam body 1 fixes, wheel hub erection support brace panel 2 is fixed on the torsion beam trailing arm 3, torsion beam lining sleeve pipe 4 and coil spring erection support 6 are fixed on the torsion beam trailing arm 3, bumper erection support 5 fixes with torsion beam trailing arm 3 and coil spring erection support 6 respectively, and assembly brace panel 7 and torsion beam trailing arm 3 are fixing.
Specifically, retrotorsion beam body 1 is that semiclosed tubular body and its cross section form a peristome 11, and the both sides of the edge of this peristome 11 are by outwards being bent to form flange 12.Retrotorsion beam body 1 is Ω shape together with the gross section of flange 12.Be the further processing of cross section needs of this shape, cost may improve a little, but the raising of its mechanical characteristics is bigger, behind flange 12, the toe-in of this retrotorsion beam body 1, camber stiffness promote 10%-15%, and torsional stiffness promotes 5%-10% simultaneously, and mechanical strength also strengthens greatly.In the present embodiment, the angle between definition flange 12 and peristome 11 1 lateral edges is r, and the value of r is 80 °-100 °, is preferably 80 ° in the present embodiment.Flange 12 angles in this is interval satisfy above-mentioned properties of mechanical to be strengthened.Definition flange 12 length are S, and the S value is 4mm-6mm, and present embodiment is preferably 4mm.Flange 12 length in this is interval satisfy above-mentioned properties of mechanical and strengthen.In the present embodiment, retrotorsion beam body 1 adopts punch forming, and the two side of its peristome 11 has drafting angle, this drafting angle 〉=2 °.Suitable drafting angle helps improving the Sheet Metal Forming Technology performance.
The definition core wheel is a distance L 1 to retrotorsion beam body 1 center, and definition retrotorsion beam body 1 center is L2 to the distance of centre of gration, and L1/L2 is 1-1.8, and present embodiment is preferably 1.65.
Its principle of work is as follows: the two ends of retrotorsion beam body 1 connect two rear wheels, retrotorsion beam body 1 needs enough strength and stiffness, when the both sides of the edge of its peristome 11 by after being bent to form flange 12, can under the prerequisite that waits weight and cross-sectional area, significantly improve its strength and stiffness, make it satisfy higher mechanical characteristics requirement, this flange 12 outwards turns down, and not only be convenient to make, and performance is better than bending inwards.
Embodiment two:
The present embodiment general contents is identical with embodiment one, and institute's difference is, in the present embodiment as a kind of scheme, the V-shaped or U-shaped in cross section of retrotorsion beam body 1.Above-mentioned cross sectional shape is convenient to processing, and design can be extensive use of on common vehicle also than being easier to.
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 1, retrotorsion beam body morely; 11, peristome; 12, flange; 2, wheel hub erection support brace panel; 3, torsion beam trailing arm; 4, torsion beam lining sleeve pipe; 5, bumper erection support; 6, coil spring erection support; 7, term such as assembly brace panel, but 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 (7)
1. the retrotorsion beam assembly of an automobile, this assembly comprises a retrotorsion beam body (1), it is characterized in that, described retrotorsion beam body (1) is that semiclosed tubular body and its cross section form a peristome (11), and the both sides of the edge of this peristome (11) are by outwards being bent to form flange (12).
2. the retrotorsion beam assembly of a kind of automobile according to claim 1 is characterized in that, the V-shaped or U-shaped in cross section of described retrotorsion beam body (1).
3. the retrotorsion beam assembly of a kind of automobile according to claim 1 is characterized in that, described retrotorsion beam body (1) is Ω shape together with the gross section of flange (12).
4. according to the retrotorsion beam assembly of claim 1 or 2 or 3 described a kind of automobiles, it is characterized in that the angle between described flange (12) and described peristome (11) one lateral edges is 80 °-100 °.
5. according to the retrotorsion beam assembly of claim 1 or 2 or 3 described a kind of automobiles, it is characterized in that described flange (12) length is 4mm-6mm.
6. according to the retrotorsion beam assembly of claim 1 or 2 or 3 described a kind of automobiles, it is characterized in that described retrotorsion beam body (1) adopts punch forming, the two side of its peristome (11) has drafting angle, this drafting angle 〉=2 °.
7. according to the retrotorsion beam assembly of claim 1 or 2 or 3 described a kind of automobiles, it is characterized in that, the both sides of described retrotorsion beam body (1) have been equipped with wheel hub erection support brace panel (2), torsion beam trailing arm (3), torsion beam lining sleeve pipe (4), bumper erection support (5), coil spring erection support (6) and assembly brace panel (7), the end of described torsion beam trailing arm (3) and retrotorsion beam body (1) fixes, described wheel hub erection support brace panel (2) is fixed on the torsion beam trailing arm (3), described torsion beam lining sleeve pipe (4) and coil spring erection support (6) are fixed on the torsion beam trailing arm (3), described bumper erection support (5) fixes with torsion beam trailing arm (3) and coil spring erection support (6) respectively, and described assembly brace panel (7) and torsion beam trailing arm (3) are fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320063789 CN203093622U (en) | 2013-01-31 | 2013-01-31 | Rear torsion beam assembly of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320063789 CN203093622U (en) | 2013-01-31 | 2013-01-31 | Rear torsion beam assembly of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203093622U true CN203093622U (en) | 2013-07-31 |
Family
ID=48845053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320063789 Expired - Lifetime CN203093622U (en) | 2013-01-31 | 2013-01-31 | Rear torsion beam assembly of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203093622U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107672404A (en) * | 2017-09-12 | 2018-02-09 | 奇瑞汽车股份有限公司 | Rear axle crossbeam assembly |
-
2013
- 2013-01-31 CN CN 201320063789 patent/CN203093622U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107672404A (en) * | 2017-09-12 | 2018-02-09 | 奇瑞汽车股份有限公司 | Rear axle crossbeam assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2011514277A (en) | Torsion bar type vehicle suspension system | |
| US8857835B2 (en) | Rear suspension system of coupled torsion beam axle | |
| CN203995534U (en) | The independent front suspension of horizontal non-metal leaf spring | |
| CN206598679U (en) | A kind of automobile torsion beam formula rear axle | |
| CN203186026U (en) | Novel MPV rear independent suspension system | |
| US9579947B2 (en) | Coupled torsion beam axle for vehicles | |
| EP2639089B1 (en) | Torsion beam axle having ring member friction-welded to trailing arm | |
| CN204222580U (en) | A kind of lightweight assembling automobile torsion beam suspension | |
| CN203093622U (en) | Rear torsion beam assembly of automobile | |
| CN105270090B (en) | A kind of rear-guard electric car bearing-type rear axle | |
| CN202163272U (en) | Automobile rear axle assembly | |
| CN104354558A (en) | Light-weight assembly-type automobile twist beam suspension | |
| CN202782564U (en) | Torsion beam rear axle | |
| CN204110142U (en) | Be applicable to the steering swivel attaching parts assembly of rectilinear translation formula front suspension | |
| CN202088837U (en) | Improving structure of rear axle of suspension torsion beam for vehicle | |
| CN205202650U (en) | Light -weighted back torsion roof beam | |
| CN205059112U (en) | Car suspension system and longitudinal wall assembly | |
| CN206277910U (en) | A kind of automobile torsion beam rear suspension | |
| CN207790244U (en) | Torsion beam and automotive suspension apparatus | |
| CN109747363B (en) | Independent suspension mechanism of all-terrain vehicle | |
| CN109703308B (en) | Automobile and double-fork arm type rear suspension thereof | |
| CN203331767U (en) | Automobile rear lower swing arm | |
| CN202703177U (en) | Novel torsion beam suspension | |
| KR20170036845A (en) | Under cover of coupled torsion beam axle type rear suspension | |
| CN203920306U (en) | A kind of multi-link lever suspension fork |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130731 |