CN209381729U - Torsion beam rear axle - Google Patents
Torsion beam rear axle Download PDFInfo
- Publication number
- CN209381729U CN209381729U CN201822064376.5U CN201822064376U CN209381729U CN 209381729 U CN209381729 U CN 209381729U CN 201822064376 U CN201822064376 U CN 201822064376U CN 209381729 U CN209381729 U CN 209381729U
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- China
- Prior art keywords
- linkage section
- installation part
- rear axle
- torsion beam
- beam rear
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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 discloses a kind of torsion beam rear axles, comprising: the first installation part and the second installation part, torsion beam rear axle are connected on vehicle body by the first installation part and the second installation part, which is characterized in that further include: crossbeam;Crossbeam includes axially opposed the first linkage section and the second linkage section connect, and one end on the first linkage section backwards to the second linkage section is connected with the first installation part, is connected with the second installation part backwards to one end of the first linkage section on the second linkage section;The width of first linkage section is gradually increased along the direction far from the second linkage section, and the width of the second linkage section is gradually increased along the width far from the first linkage section;First linkage section is axially connecting the first stiffener, and the second linkage section is axially connecting the second stiffener.Torsion beam rear axle provided by the utility model, alleviates vehicle weight, optimizes the reasonability that material utilizes, reduces production cost, improves the break resistance of crossbeam.
Description
Technical field
The utility model relates to field of automobile parts and components, more particularly, to a kind of torsion beam rear axle.
Background technique
Current automobile market competition, on the basis of guaranteeing Automobile Dynamics Performance, each automobile factory commercial city is caused
Power is in reduction vehicle weight and cost.Automobile torsion beam rear axle is for supporting vehicle frame and connecting the device of rear wheel, torsion beam
Rear axle is one of main component part of torsion beam suspension system.
Fig. 1 is the structural schematic diagram of torsion beam rear axle in the prior art.As shown in Figure 1, rear axle includes crossbeam 10 and divides
It is not mounted on the towing arm 20 that both ends on crossbeam 10 are oppositely arranged, rear axle is mounted on vehicle body by two towing arms 20.Invention
People has found that there are following improvable places for the structure of above-mentioned rear axle: cross-section crossbeam knot during realizing innovation and creation
Structure is simple, but weight weight, and material utilizes unreasonable.
Utility model content
In view of this, the purpose of this utility model is that a kind of torsion beam rear axle is proposed, in holding dynamics of vehicle performance
In the case where, variable cross-section and high flange optimization design are used to crossbeam cross section, the reasonability that optimization material utilizes reaches substantially
Weight loss effect, and improve fatigue endurance performance.
Based on a kind of above-mentioned purpose torsion beam rear axle provided by the utility model, comprising: the first installation part and the second installation
Part, the torsion beam rear axle are connected on vehicle body by first installation part and second installation part, which is characterized in that also
It include: crossbeam;The crossbeam includes axially opposed the first linkage section and the second linkage section connect, is carried on the back on first linkage section
First installation part is connected with to one end of second linkage section, backwards to first linkage section on second linkage section
One end be connected with second installation part;Direction of the width edge far from second linkage section of first linkage section is gradually
Increase, the width of second linkage section is gradually increased along the width far from first linkage section;First linkage section edge
It axially is connected with the first stiffener, second linkage section is axially connecting the second stiffener.
Optionally, first stiffener is the flange of first linkage section, and second stiffener is described second
The flange of linkage section.
Optionally, first stiffener is connected with second stiffener.
Optionally, first linkage section defines shear surface at the place of docking with second linkage section, and described first connects
Section and second linkage section is connect to be symmetrical arranged relative to the shear surface.
Optionally, first linkage section and second linkage section are integrally formed.
Optionally, first linkage section and the second linkage section integrated punching form.
Optionally, one end on first linkage section far from second linkage section is welded on first installation part
On.
Optionally, one end on second linkage section far from first linkage section is welded on second installation part
On.
Optionally, the first towing arm is installed on first installation part, second is equipped on second installation part and drags
Arm is draged, first linkage section is welded on first towing arm, and second linkage section is welded on second towing arm
On.
Optionally, first sleeve and the first backboard are installed on first towing arm, installed on second towing arm
There are the second casing and the second backboard, the first sleeve and second casing are installed on the bracket of the vehicle body, described
First backboard and second backboard are connect with left and right wheels system.
Using torsion beam rear axle provided by the utility model, to the section design more lean of crossbeam, material is for weakness
Region is precisely applied, and the utilization rate of material is higher, thus the utilization of material is more reasonable, reduces production cost, obtains
The crossbeam of lighter in weight;In addition, crossbeam uses flanging design, fatigue endurance service performance is improved.
Detailed description of the invention
Preferred embodiment in the utility model will be described in detail by attached drawing below, it will help understand the utility model
Objects and advantages, in which:
Fig. 1 is the structural schematic diagram of torsion beam rear axle in the prior art;
Fig. 2 is the structural schematic diagram of an embodiment of the present invention torsion beam rear axle.
Wherein appended drawing reference:
Prior art part:
10: crossbeam;20: towing arm.
The utility model embodiment part:
1: the first installation part;2: the second installation parts;3: crossbeam;4: the first stiffeners;5: the second stiffeners;7: the first towings
Arm;8: the second towing arms;
31: the first linkage sections;32: the second linkage sections;
71: first sleeve;72: the first backboards;
81: the second casings;82: the second backboards.
Specific embodiment
The utility model is described in detail below with reference to embodiment.The wherein identical attached drawing mark of identical components
Note indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to
Direction in attached drawing, word "inner" and "outside" refer respectively to the direction towards or away from geometric center of specific component.
As shown in Fig. 2, the torsion beam rear axle that an embodiment of the present invention provides, comprising: the first installation part 1 and the second peace
Piece installing 2, torsion beam rear axle are connected on vehicle body by the first installation part 1 and the second installation part 2, further includes: crossbeam 3;Crossbeam 3 wraps
Axially opposed the first linkage section 31 and the second linkage section 32 connect is included, backwards to the one of the second linkage section 32 on the first linkage section 31
It holds and is connected with the first installation part 1, one end on the second linkage section 32 backwards to the first linkage section 31 is connected with the second installation part 2;The
The width of one linkage section 31 is gradually increased along the direction far from the second linkage section 32, and the width of the second linkage section 32 is along far from first
The width of linkage section 31 gradually increases;First linkage section 31 is axially connecting the first stiffener 4, and the second linkage section 32 is along axial direction
It is connected with the second stiffener 5.
The torsion beam rear axle of above-described embodiment, crossbeam 3 divide for the first linkage section 31 and the second linkage section 32, the first linkage section
31 are mounted on the first installation part 1, and the second linkage section 32 is mounted on the second installation part 2, and the section edge of the first linkage section 31 is leaned on
The direction of nearly first installation part 1 gradually increases, and the section of the second linkage section 32 gradually increases along the direction close to the second installation part 2
Add;The axial edge of first linkage section 31 is connected with the first stiffener 4, and the axial edge of the second linkage section 32 is connected with second and adds
Strong item 5, first stiffener 4 and the second stiffener 5 are used for the break resistance of web beam 3.
Using torsion beam rear axle provided by the utility model, to the section design more lean of crossbeam 3, material is for weakness
Region is precisely applied, and the utilization rate of material is higher, thus the utilization of material is more reasonable, reduces production cost, obtains
The crossbeam 3 of lighter in weight;In addition, crossbeam 3 uses flanging design, can effectively web beam 3 break resistance, promoted horizontal
The durable service performance of beam 3.
As shown in Fig. 2, the first stiffener 4 is the flange of the first linkage section 31, the second stiffener 5 is the second linkage section 32
Flange.In an embodiment of the present invention, the first stiffener 4 and the second stiffener 5 are all made of flanging design, easy to process.Tool
Body, the two sides of crossbeam 3 may be provided with the first stiffener 4 and the second stiffener 5, and the first stiffener 4 and the second stiffener 5
Flanging design can be used, so as to the break resistance of preferably web beam 3, promote the durable service performance of crossbeam 3.
As shown in Fig. 2, the first stiffener 4 is connected with the second stiffener 5.In an embodiment of the present invention, first adds
Strong item 4 connects at the lesser position of 3 stress of crossbeam with the second stiffener 5, and the first stiffener 4 and second can preferably be made to add
Strong item 5 plays break resistance to crossbeam 3 and promotes the durable service performance of crossbeam 3.
As shown in Fig. 2, the first linkage section 31 defines shear surface, the first linkage section 31 at the place of docking with the second linkage section 32
It is symmetrical arranged with the second linkage section 32 relative to shear surface.In an embodiment of the present invention, stress is smaller at shear surface, so
The materials designed herein are minimum, are conducive to rationally utilize material, mitigate the weight of crossbeam 3.
As shown in Fig. 2, the first linkage section 31 and the second linkage section 32 are integrally formed.In an embodiment of the present invention, the
One linkage section 31 and the specific molding mode of the second linkage section 32 are unlimited, using integral molding, reduce the quantity of die sinking in this way,
Manufacture craft is simplified, mass production is conducive to.
As shown in Fig. 2, the first linkage section 31 and 32 integrated punching of the second linkage section form.Punching press can be produced with reinforcement
The workpiece of muscle or flange, and the strength and stiffness of stamping parts are higher.
As shown in Fig. 2, one end on the first linkage section 31 far from the second linkage section 32 is welded on the first installation part 1.This
In embodiment, the one end of the first linkage section 31 far from the second linkage section 32 is fixed on the first installation part 1 by the way of welding,
Crossbeam 3 can be made relatively to be firmly mounted on the first installation part 1.Likewise, the second linkage section 32 far from the first linkage section 31 one
End is fixed on the second installation part 2 by the way of welding, and crossbeam 3 can also be made relatively to be firmly mounted on the second installation part 2.
As shown in Fig. 2, being equipped with the first towing arm 7 on the first installation part 1, second towing is installed on the second installation part 2
Arm 8, the first linkage section 31 are welded on the first towing arm 7, and the second linkage section 32 is welded on the second towing arm 8.The present embodiment
In, specifically, the first linkage section 31 is fixedly mounted on the first installation part 1 and being welded on the first towing arm 7, second connects
It connects section 32 to be fixedly mounted on the second installation part 2 and being welded on the second towing arm 8, improves the stability of crossbeam 3, it is horizontal
After beam 3 is mounted on automobile by the first towing arm 7 and the second towing arm 8, the stability of automobile can be improved.
As shown in Fig. 2, being equipped with first sleeve 71 and the first backboard 72 on the first towing arm 7, first sleeve 71 is mounted on
On the bracket of vehicle body, the first backboard 72 is connect with left and right wheels system;Second casing 81 and second is installed on second towing arm 8
Backboard 82, the second casing 81 are mounted on the bracket of vehicle body, and the second backboard 82 is connect with left and right wheels system.The utility model one
In embodiment, specifically, the first installation part 1 is to be connected to body support by the first sleeve 71 on the first towing arm 7 thereon
On, likewise, the second installation part 2 be connected on body support by the second casing 81 on the second towing arm 8 thereon, and
Crossbeam 3 is welded on again between the first installation part 1 and the second installation part 2, and torsion beam rear axle includes crossbeam 3, the first installation part 1 and
Two installation parts 2, thus torsion beam rear axle can be stably installed on body support.
Using torsion beam rear axle provided by the utility model, to the section design more lean of crossbeam 3, material is for weakness
Region is precisely applied, and the utilization rate of material is higher, thus the utilization of material is more reasonable, reduces production cost, obtains
The crossbeam 3 of lighter in weight;In addition, crossbeam 3 uses flanging design, 3 fatigue endurance service performance of crossbeam is improved.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations;
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement;And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of torsion beam rear axle, comprising: the first installation part and the second installation part, the torsion beam rear axle are pacified by described first
Piece installing and second installation part are connected on vehicle body, which is characterized in that further include: crossbeam;
The crossbeam includes axially opposed the first linkage section and the second linkage section connect, backwards to described on first linkage section
One end of second linkage section is connected with first installation part, backwards to one end of first linkage section on second linkage section
It is connected with second installation part;The width of first linkage section is gradually increased along the direction far from second linkage section,
The width of second linkage section is gradually increased along the width far from first linkage section;
First linkage section is axially connecting the first stiffener, and second linkage section is axially connecting the second reinforcement
Item.
2. torsion beam rear axle according to claim 1, which is characterized in that first stiffener is first linkage section
Flange, second stiffener be second linkage section flange.
3. torsion beam rear axle according to claim 2, which is characterized in that first stiffener and second stiffener
It is connected.
4. torsion beam rear axle according to claim 1, which is characterized in that first linkage section and second linkage section
Shear surface, first linkage section and second linkage section is defined at docking to be symmetrical arranged relative to the shear surface.
5. torsion beam rear axle according to claim 1, which is characterized in that first linkage section and second linkage section
It is integrally formed.
6. torsion beam rear axle according to claim 5, which is characterized in that first linkage section and second linkage section
Integrated punching molding.
7. torsion beam rear axle according to claim 1, which is characterized in that connect on first linkage section far from described second
The one end for connecing section is welded on first installation part.
8. torsion beam rear axle according to claim 1, which is characterized in that connect on second linkage section far from described first
The one end for connecing section is welded on second installation part.
9. torsion beam rear axle according to any one of claims 1 to 8, which is characterized in that installed on first installation part
There is the first towing arm, the second towing arm is installed on second installation part, first linkage section is welded on described first and drags
It drags on arm, second linkage section is welded on second towing arm.
10. torsion beam rear axle according to claim 9, which is characterized in that be equipped with first set on first towing arm
Pipe and the first backboard are equipped with the second casing and the second backboard, the first sleeve and described second on second towing arm
Casing is installed on the bracket of the vehicle body, and first backboard and second backboard are connect with left and right wheels system.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822064376.5U CN209381729U (en) | 2018-12-10 | 2018-12-10 | Torsion beam rear axle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822064376.5U CN209381729U (en) | 2018-12-10 | 2018-12-10 | Torsion beam rear axle |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209381729U true CN209381729U (en) | 2019-09-13 |
Family
ID=67871277
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201822064376.5U Active CN209381729U (en) | 2018-12-10 | 2018-12-10 | Torsion beam rear axle |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209381729U (en) |
-
2018
- 2018-12-10 CN CN201822064376.5U patent/CN209381729U/en active Active
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