CN206781467U - A kind of torsion beam rear axle structure of improvement - Google Patents
A kind of torsion beam rear axle structure of improvement Download PDFInfo
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- CN206781467U CN206781467U CN201720625094.0U CN201720625094U CN206781467U CN 206781467 U CN206781467 U CN 206781467U CN 201720625094 U CN201720625094 U CN 201720625094U CN 206781467 U CN206781467 U CN 206781467U
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- torsion beam
- torsion
- trailing arm
- rear axle
- axle structure
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Abstract
The utility model discloses the torsion beam rear axle structure of improvement, including torsion beam and it is connected to the left trailing arm at torsion beam both ends and right trailing arm, torsion beam is less than the Torsion Section coefficient of torsion beam two-end part by the body shaped by fluid pressure with drum and with V-arrangement or U-shaped cross-section, the Torsion Section coefficient of torsion beam middle part.The utility model compares traditional torsion girder construction, can realize following functions with flexibly and efficiently：Horizontal stabilizer bar structure is eliminated, simplifies torsion beam shape and structure；In middle part, flexible Torsion Section coefficient setting can reach vehicle and roll torsional rigid requirement so that characteristic of the torsion girder construction with swing arm and the characteristic with independent suspension；In two-end part, big bending resistant section coefficient is freely disposed, integral strength requirement is disclosure satisfy that and reduces the intensity difficulty of traditional torsion beam；Torsion girder construction using the tubular steel of high intensity via hydroforming, allows designer to carry out suspension design more flexible and conveniently.
Description
Technical field
Vehicle Engineering technical field is the utility model is related to, more particularly, is related to a kind of torsion beam rear axle knot of improvement
Structure.
Background technology
Twist-beam suspension is widely used on A level cars as currently used rear suspension pattern, and it is tied substantially
Structure is that torsion beam and both ends trailing arm are welded, and general torsion girder construction is one piece of steel plate bending into U-shaped or the section knot of V-arrangement
Structure, its advantage is simple in construction, cost is low, occupies little space, but is had the disadvantage that simultaneously：I.e. in order to meet vehicle torsion
Rigidity requirement is, it is necessary to which a piece hollow or solid steel of welding are as stabiliser bar in the torsion beam 1 " of U-shaped or V-arrangement section structure
2 ", concrete structure is as shown in Figure 1.
General U-shaped or the Torsion Section coefficient of V-arrangement torsion beam cross section are difficult to adjust, and torsion beam deformation is difficult to meet most preferably
Design, it is difficult to balance integral strength and roll requirement, general torsion beam can only sacrifice rolling capability.
The content of the invention
For traditional U-shaped in the prior art, V-arrangement torsion beam need to increase horizontal stabilizer bar structure and being difficult to adjust it is antitorque
The problem of section factor, the purpose of this utility model is to provide one kind can be anti-to change by changing torsion beam shape of cross section
Section factor and bending resistant section coefficient are turned round so as to realize simplified torsion beam shape and structure and meet integral strength requirement needed for vehicle bridge
Torsion beam rear axle structure.
The technical solution adopted in the utility model is as follows：
A kind of torsion beam rear axle structure of improvement, including torsion beam and the left trailing arm and the right side that are connected to torsion beam both ends
Trailing arm, the torsion beam by the body body shaped by fluid pressure with drum and with V-arrangement or U-shaped cross-section, wherein, institute
The Torsion Section coefficient for stating torsion beam middle part is less than the Torsion Section coefficient of torsion beam two-end part.Using said structure it
Afterwards, it can set suitable torsion beam shape of cross section according to the rolling capability of vehicle requirement, cancel horizontal stabilizer bar structure simultaneously
Simplify torsion beam shape and structure.
Further, the torsion beam is formed by the tubular steel of high intensity via shaped by fluid pressure, it is possible thereby to neatly control
The cross section of torsion beam processed, allows the more flexible and convenient carry out suspension design of designer, breaks through traditional torsion beam integral strength and side
Rigidity of inclining is difficult to the difficult point that matches.
Further, the torsion beam includes outer wall and inwall, and the outer wall of the torsion beam middle part is close to inwall.It is logical
Cross and U-shaped or v-shaped structure that outer wall is pressed close to inwall are formed in the middle part of torsion beam, ensure that less Torsion Section system
Number, so that characteristic of the torsion girder construction with swing arm and the characteristic with independent suspension.
Further, the outer wall of the torsion beam two-end part is away from inwall, and the section factor of the torsion beam is from centre
Position gradually increases to two-end part, and the bending resistant section coefficient of the torsion beam two-end part is more than the bending resistant section of middle part
Coefficient.Change cross-sectional structure close to the position of trailing arm at torsion beam both ends and make the structure with larger bending resistant section coefficient
Form so that this structure meets the intensity requirement needed for vehicle bridge, avoid traditional U-shaped, V-arrangement torsion beam be difficult to adjust it is antitorque and anti-
The difficulty of curved section factor, without carrying out somewhat complex design for material and tubing thickness.
Further, the torsion beam rear axle structure also includes left trailing arm reinforcing plate, the left wheel being connected on left trailing arm
Installing plate, left spring lower wall, left mounting bracket of shock absorber and left torsion beam bushing and the right trailing arm being connected on right trailing arm are strengthened
Plate, right wheel installing plate, right spring lower wall, right mounting bracket of shock absorber and right torsion beam bushing.Further, the left car
Wheel installing plate and left torsion beam bushing are separately positioned on the both ends of left trailing arm, and left trailing arm reinforcing plate and left spring lower wall are arranged on a left side
Between trailing arm and torsion beam and distinguish below and above, left mounting bracket of shock absorber is arranged on left trailing arm and left spring lower wall
Between；The right wheel installing plate and right torsion beam bushing are separately positioned on the both ends of right trailing arm, right trailing arm reinforcing plate and right bullet
Spring lower wall is arranged between right trailing arm and torsion beam and distinguished below and above, and right mounting bracket of shock absorber is arranged on right vertical
Between arm and right spring lower wall.By setting corresponding matching block in torsion beam and both ends trailing arm, back axle can be completed
The whole matching function of structure.
In summary, the torsion beam rear axle structure of improvement provided by the utility model compares traditional torsion girder construction, can be with
Flexibly and efficiently realizes following functions：
1) horizontal stabilizer bar structure is eliminated, simplifies torsion beam shape and structure；
2) make designer more flexible and convenient via the torsion girder construction of hydroforming using the tubular steel of high intensity
Ground carries out suspension design, breaks through traditional torsion beam strength and rolls the difficult point that rigidity is difficult to match；
3) it can reach vehicle in middle part, flexible Torsion Section coefficient setting and roll torsional rigid requirement so that
Characteristic of the torsion girder construction with swing arm and the characteristic with independent suspension；
4) in two-end part, big bending resistant section coefficient is freely disposed, integral strength requirement is disclosure satisfy that and reduces tradition
The intensity of torsion beam is difficult.
Brief description of the drawings
Fig. 1 shows the sectional view of torsion girder construction in the prior art.
Fig. 2 is shown to be shown according to the overall structure of the torsion beam rear axle structure of the improvement of the utility model exemplary embodiment
It is intended to.
The cutaway sectional view of line A-A during Fig. 3 A are shown along Fig. 2.
The cutaway sectional view of line B-B during Fig. 3 B are shown along Fig. 2.
Description of reference numerals：
1- torsion beams, 1a- outer walls, 1b- inwalls, the left trailing arms of 2-, the right trailing arms of 3-, the left trailing arm reinforcing plates of 4-, the right trailing arms of 5- add
The left damper installation of strong plate, 6- left wheels installing plate, the right wheel installing plates of 7-, 8- left springs lower wall, the right spring lower walls of 9-, 10-
The left torsion beam bushing of the right mounting bracket of shock absorber of support, 11-, 12-, the right torsion beam bushings of 13-；
1 "-torsion beam of the prior art, 2 "-stabiliser bar.
Embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine in any way.
Any feature disclosed in this specification, unless specifically stated otherwise, can be equivalent by other or with similar purpose
Alternative features are replaced.I.e., unless specifically stated otherwise, each feature is an example in a series of equivalent or similar characteristics
.
Throughout the specification, same reference indicates same element.In addition, for the side for understanding and describing
Just, the size and thickness of each construction shown in the accompanying drawings are optionally shown, but the invention is not restricted to this.In retouching for specification
In stating, " ... on " refer to position above or below target member, rather than must be in target member with reference to gravity direction
The position of top.In the full text of present specification and claims, unless clearly carry out opposite description, otherwise word
The deformation word of "comprising" or such as " comprising " or " including " will be understood to refer to element rather than the exclusion for including statement
Any other element.
The structure and principle that the torsion beam rear axle knot improved to the utility model is formed below are described in detail.
Fig. 2 is shown to be shown according to the overall structure of the torsion beam rear axle structure of the improvement of the utility model exemplary embodiment
It is intended to, the cutaway sectional view of line A-A during Fig. 3 A are shown along Fig. 2, the cross section of line B-B during Fig. 3 B are shown along Fig. 2
Figure.
As shown in Fig. 2 and Fig. 3 A, Fig. 3 B, according to exemplary embodiment of the present utility model, after the torsion beam of the improvement
Bridge structure includes torsion beam 1 and is connected to the left trailing arm 2 and right trailing arm 3 at the both ends of torsion beam 1, and torsion beam 1 is by with cylinder
The body shaped by fluid pressure of shape and there is V-arrangement or U-shaped cross-section, wherein, the Torsion Section coefficient of the middle part of torsion beam 1 is small
In the Torsion Section coefficient of the two-end part of torsion beam 1.That is, torsion beam 1 actually includes outer wall 1a and inwall 1b, pass through body
After shaped by fluid pressure, the V that can flexibly change shape of cross section and antitorque bending resistant section coefficient is surrounded by outer wall 1a and inwall 1b
Shape or U-shaped cut section bar.
The utility model improves the torsional rigidity of torsion beam by changing the shape of cross section structure of torsion beam, from setting
Solves general U-shaped on meter, V-arrangement torsion beam needs to increase the mode of horizontal stabilizer bar structure, horizontal steady so as to cancel
Fixed pole structure simultaneously simplifies torsion girder construction., can be suitable according to the rolling capability of vehicle requirement, setting after said structure
Torsion beam shape of cross section.
Preferably, above-mentioned torsion beam 1 is formed by the tubular steel of high intensity via shaped by fluid pressure, it is possible thereby to neatly control
The shape of cross section and section factor of torsion beam 1, allow the more flexible and convenient carry out suspension design of designer, break through traditional torsion beam
Integral strength and inclination rigidity are difficult to the difficult point matched.
According to the utility model, torsion beam 1 includes outer wall 1a and inwall 1b, and controls the outer of the middle part of torsion beam 1
Wall 1a is close to inwall 1b, specifically as shown in Figure 3A.By formed in the middle part of torsion beam U-shaped that outer wall and inwall press close to or
V-shaped structure, less section factor is ensure that so that characteristic of the torsion girder construction with swing arm and with independent suspension
Characteristic.Meanwhile the outer wall 1a of the two-end part of controling power beam 1 is away from inwall 1b, specifically as shown in Figure 3 B.By in torsion beam 1
Both ends change cross-sectional structure close to the position of trailing arm and make the structure type with high torque section factor so that the knot
Structure disclosure satisfy that the intensity requirement needed for vehicle bridge, avoid traditional U-shaped, V-arrangement torsion beam 1 " is difficult to adjust Torsion Section coefficient
It is difficult.
Preferably, the section factor of torsion beam 1 gradually increases from middle part to two-end part, the two-end part of torsion beam 1
Bending resistant section coefficient be more than middle part bending resistant section coefficient.That is, the utility model is by changing the structure of torsion beam
Form so that overall shape of cross section and it is antitorque, bending resistant section coefficient is adjustable, then enable to middle part and two-end part
With different shape of cross sections and antitorque, bending resistant section coefficient, so that overall torsion beam rear axle structure can be realized
Different performance design requirements, meets vehicle demand and integral strength requirement.
In addition, torsion beam rear axle structure of the present utility model also include being connected to left trailing arm reinforcing plate 4 on left trailing arm 2,
Left wheel installing plate 6, left spring lower wall 8, left mounting bracket of shock absorber 10 and left torsion beam bushing 12 and it is connected on right trailing arm 3
Right trailing arm reinforcing plate 5, right wheel installing plate 7, right spring lower wall 9, right mounting bracket of shock absorber 11 and right torsion beam bushing 13.
As shown in figure 1, left wheel installing plate 6 and left torsion beam bushing 12 are separately positioned on the both ends of left trailing arm 2, left trailing arm reinforcing plate 4
And left spring lower wall 8 is arranged between left trailing arm 2 and torsion beam 1 and distinguished below and above, left mounting bracket of shock absorber
10 are arranged between left trailing arm 2 and left spring lower wall 8；Right wheel installing plate 7 and right torsion beam bushing 13 are separately positioned on right vertical
The both ends of arm 3, right trailing arm reinforcing plate 5 and right spring lower wall 9 are arranged between right trailing arm 3 and torsion beam 1 and are located at top respectively
And bottom, right mounting bracket of shock absorber 11 are arranged between right trailing arm 3 and right spring lower wall 9.By at torsion beam 1 and both ends
Corresponding matching block is set on trailing arm, the whole matching function of rear axle structure can be completed.Those skilled in the art understand
Basic composition, function, principle and the construction of torsion beam rear axle structure, therefore not to repeat here.
In summary, torsion girder construction is made via shaped by fluid pressure using the tubular steel of high intensity in the utility model, and then
Following functions can be realized by changing shape of cross section flexibly and efficiently：
1) suitable cross sectional shape is set in the different parts of torsion beam according to the rolling capability of vehicle requirement, cancelled laterally
Stabilizator rod structure simultaneously simplifies torsion beam shape and structure；
2), can be according to the Torsion Section coefficient of vehicle demand setting particular requirement in middle part, and it is antitorque to reach its
Section factor requirement, it is only necessary to change the cross sectional shape of shaping, without carrying out somewhat complex design for material and steel pipe thickness；
3) in two-end part, the big bending resistant section coefficient of particular requirement can be set according to vehicle demand, meets that vehicle is strong
Degree requires.
The utility model is not limited to foregoing embodiment.The utility model expands to any in this specification
The new feature of middle disclosure or any new combination, and disclose any new method or process the step of or any new group
Close.
Claims (8)
1. a kind of torsion beam rear axle structure of improvement, the torsion beam rear axle structure includes torsion beam and is connected to torsion beam
The left trailing arm and right trailing arm at both ends, it is characterised in that the torsion beam is by the body shaped by fluid pressure with drum and has
There are V-arrangement or U-shaped cross-section, wherein, the Torsion Section coefficient of torsion beam middle part is less than antitorque section of torsion beam two-end part
Face coefficient.
2. the torsion beam rear axle structure improved according to claim 1, it is characterised in that the torsion beam is tubular by high intensity
Steel are formed via shaped by fluid pressure.
3. the torsion beam rear axle structure improved according to claim 1, it is characterised in that the torsion beam includes outer wall and interior
Wall, the outer wall of the torsion beam middle part are close to inwall.
4. the torsion beam rear axle structure improved according to claim 3, it is characterised in that outside the torsion beam two-end part
Wall is away from inwall.
5. the torsion beam rear axle structure improved according to claim 1, it is characterised in that the section factor of the torsion beam from
Middle part gradually increases to two-end part.
6. the torsion beam rear axle structure improved according to claim 1, it is characterised in that the torsion beam two-end part resists
Curved section factor is more than the bending resistant section coefficient of middle part.
7. the torsion beam rear axle structure improved according to claim 1, it is characterised in that the torsion beam rear axle structure is also wrapped
Include left trailing arm reinforcing plate, left wheel installing plate, left spring lower wall, left mounting bracket of shock absorber and the left torsion being connected on left trailing arm
Power beam bushing and the right trailing arm reinforcing plate being connected on right trailing arm, right wheel installing plate, right spring lower wall, right damper installation branch
Frame and right torsion beam bushing.
8. the torsion beam rear axle structure improved according to claim 7, it is characterised in that the left wheel installing plate and left torsion
Power beam bushing is separately positioned on the both ends of left trailing arm, left trailing arm reinforcing plate and left spring lower wall be arranged on left trailing arm and torsion beam it
Between and respectively below and above, left mounting bracket of shock absorber is arranged between left trailing arm and left spring lower wall；The right car
Wheel installing plate and right torsion beam bushing are separately positioned on the both ends of right trailing arm, and right trailing arm reinforcing plate and right spring lower wall are arranged on the right side
Between trailing arm and torsion beam and distinguish below and above, right mounting bracket of shock absorber is arranged on right trailing arm and right spring lower wall
Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720625094.0U CN206781467U (en) | 2017-06-01 | 2017-06-01 | A kind of torsion beam rear axle structure of improvement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720625094.0U CN206781467U (en) | 2017-06-01 | 2017-06-01 | A kind of torsion beam rear axle structure of improvement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206781467U true CN206781467U (en) | 2017-12-22 |
Family
ID=60713680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720625094.0U Active CN206781467U (en) | 2017-06-01 | 2017-06-01 | A kind of torsion beam rear axle structure of improvement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206781467U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109015254A (en) * | 2018-07-05 | 2018-12-18 | 盐城工业职业技术学院 | A kind of torsion beam rear axle wheel method for processing surface |
| CN109094322A (en) * | 2018-08-08 | 2018-12-28 | 吉利汽车研究院（宁波）有限公司 | A kind of torsion girder construction |
-
2017
- 2017-06-01 CN CN201720625094.0U patent/CN206781467U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109015254A (en) * | 2018-07-05 | 2018-12-18 | 盐城工业职业技术学院 | A kind of torsion beam rear axle wheel method for processing surface |
| CN109015254B (en) * | 2018-07-05 | 2020-05-15 | 盐城工业职业技术学院 | Torsion beam rear axle wheel surface machining method |
| CN109094322A (en) * | 2018-08-08 | 2018-12-28 | 吉利汽车研究院（宁波）有限公司 | A kind of torsion girder construction |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201700 room 510-523, Laisheng Road, Qingpu District, Shanghai Patentee after: Wei Ma Automotive Technology Group Co., Ltd. Address before: 201700 room 510-523, Laisheng Road, Qingpu District, Shanghai Patentee before: V-mark Automobile Technology Co Ltd |
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| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190708 Granted publication date: 20171222 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210222 Granted publication date: 20171222 |