CN220720763U - Double-cross arm suspension system - Google Patents
Double-cross arm suspension system Download PDFInfo
- Publication number
- CN220720763U CN220720763U CN202321732621.XU CN202321732621U CN220720763U CN 220720763 U CN220720763 U CN 220720763U CN 202321732621 U CN202321732621 U CN 202321732621U CN 220720763 U CN220720763 U CN 220720763U
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- China
- Prior art keywords
- cross arm
- bracket
- suspension system
- damper
- double
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- 239000000725 suspension Substances 0.000 title claims abstract description 38
- 238000013016 damping Methods 0.000 claims abstract description 41
- 230000035939 shock Effects 0.000 claims description 34
- 239000006096 absorbing agent Substances 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 3
- 238000005452 bending Methods 0.000 abstract description 6
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model provides a double-wishbone suspension system, belongs to the technical field of automobile suspensions, and solves the problem that a damping mechanism of the double-wishbone suspension system in a rear-drive vehicle in the prior art collides with the position of a driving shaft. The utility model comprises a wheel bracket, wherein the wheel bracket is connected with an upper cross arm and a lower cross arm through connecting pieces, and a damping mechanism is arranged above the wheel bracket. The utility model avoids collision with the driving shaft of the rear-drive vehicle by changing the position of the damping mechanism, so that the double-cross arm suspension system can be applied to the rear-drive vehicle, and meanwhile, the lower cross arm does not need to bear bending moment load, thereby improving stress condition and prolonging service life.
Description
Technical Field
The utility model belongs to the technical field of automotive suspensions, and particularly relates to a double-cross arm suspension system.
Background
The suspension is an important part for ensuring riding comfort, and the automobile suspension is used as a force transmission part for connecting a frame (or a vehicle body) and an axle (or wheels) and is also an important part for ensuring the running safety of an automobile.
The double-cross arm suspension is one of the most favorable suspension forms for improving the operation stability and smoothness of the automobile at present, the prior art patent application number is CN209616816U, which discloses a double-cross arm independent suspension system and the automobile, but if the prior art is adopted, the position of a driving shaft of a rear-drive automobile is close to the position of a shock absorber, the rear-drive automobile is easy to collide, so the rear-drive automobile cannot be used as a suspension system of the rear-drive automobile; in addition, the mounting point of the shock absorber in the prior art is positioned on the lower control arm, so that the lower control arm needs to bear additional bending moment from the shock absorber, the service life is short, the control arm is easy to break and lose efficacy, and the driving safety of an automobile is seriously affected.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a double-cross arm suspension system which has good stress effect and is suitable for a rear-drive vehicle.
The aim of the utility model can be achieved by the following technical scheme: a double-cross arm suspension system comprises a wheel bracket, wherein an upper cross arm and a lower cross arm are arranged on the wheel bracket, and a damping mechanism is arranged above the wheel bracket.
The original damping mechanism is located above the lower cross arm, the improved damping mechanism is located above the wheel bracket, collision with a driving shaft of the rear-drive vehicle is avoided, the upper cross arm and the lower cross arm on the original wheel bracket bear both tension and compression load and bending moment load, the position of the damping mechanism is changed, and the upper cross arm and the lower cross arm only need to bear the tension and compression load, so that the stress condition is improved, and the service life is prolonged.
In the double-cross arm suspension system, the damping mechanism comprises a connecting piece arranged on the wheel bracket, a damper bracket is arranged above the connecting piece, a spring base is arranged on the damper bracket, and a damping spring is arranged on the spring base. The connecting piece is used for connecting a plurality of parts of this system, and the bumper shock absorber support of connecting piece top is used for supporting the spring base, and the spring base is used for placing damping spring, and damping spring is used for the shock attenuation.
In the double-cross arm suspension system, the system further comprises dampers arranged on two sides of the wheel bracket, the dampers are respectively positioned on two sides of the damping mechanism, damper brackets are respectively arranged on two sides of the connecting piece, and the lower ends of the dampers are connected with the damper brackets. The damper plays a damping role and also plays a guiding role on the spring, and the damper bracket plays a role in connecting the damper with the connecting piece.
In the double-wishbone suspension system, the shock absorber bracket is provided with the shock absorber connecting hole, and the spring base is fixed on the shock absorber bracket through the shock absorber connecting hole. The shock absorber connecting hole is used for connecting the shock absorber bracket with the spring base.
In the double-cross arm suspension system, the shock absorber bracket is further provided with an upper cross arm connecting hole. The upper cross arm connecting hole is used for connecting the connecting piece with the upper cross arm.
In the double-cross arm suspension system, a lower cross arm bracket is arranged below the connecting piece, and the lower cross arm is fixedly connected to the connecting piece through the lower cross arm bracket.
In the double-cross arm suspension system, the lower cross arm bracket is provided with a lower cross arm connecting hole. The lower cross arm connecting hole is used for connecting the connecting piece with the lower cross arm.
In the double-cross arm suspension system, the damper comprises a damping rod and a damper sleeve sleeved on the outer side of the damping rod, and a connecting part fixedly connected with the lower end of the damper sleeve is arranged at the lower end of the damper sleeve. The damper sleeve is convenient for arranging the damper rod, and the connecting part has the function of connecting with the damper sleeve and the damper bracket.
In the double-wishbone suspension system, the damper bracket is provided with a damper connecting hole coaxial with the connecting part.
In the double-cross arm suspension system, the damper sleeve is made of rubber materials.
Compared with the prior art, the double-cross arm suspension system has the advantages that the position of the damping mechanism is changed, collision with a driving shaft of a rear-drive vehicle is avoided, so that the double-cross arm suspension system can be applied to the rear-drive vehicle, meanwhile, the lower cross arm does not need to bear bending moment load, the stress condition is improved, the service life is prolonged, and the dampers are arranged on the two sides of the wheel bracket, so that the damping effect is achieved, impact from a road surface in the driving process is attenuated, and the guiding effect on the damping spring is also achieved.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic perspective view of a connector according to the present utility model;
in the figure, 1, a wheel bracket; 2. an upper cross arm; 3. a lower cross arm; 4. a damping mechanism; 41. a connecting piece; 411. a shock absorber bracket; 4111. a damper connecting hole; 4112. an upper cross arm connecting hole; 412. a damper bracket; 4121. a damper connecting hole; 413. a lower cross arm bracket; 4131. a lower cross arm connecting hole; 42. a spring base; 43. a damping spring; 5. a damper; 51. a damping rod; 52. a damper sleeve; 53. and a connecting part.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1, the utility model comprises a wheel bracket 1, wherein an upper cross arm 2 and a lower cross arm 3 are arranged on the wheel bracket 1, and a damping mechanism 4 is arranged above the wheel bracket 1.
The original damping mechanism 4 is located above the lower cross arm 3, the improved damping mechanism 4 is located above the wheel bracket 1, collision with a driving shaft of a rear-drive vehicle is avoided, the lower cross arm 3 on the original wheel bracket 1 is required to bear both tension and compression load and bending moment load, the position of the damping mechanism 4 is changed at present, the lower cross arm 3 only needs to bear the tension and compression load, stress is improved, and service life is prolonged.
The shock absorbing mechanism 4 comprises a connecting piece 41 arranged on the wheel bracket 1, as shown in fig. 2, a shock absorber bracket 411 is arranged above the connecting piece 41, a spring base 42 is arranged on the shock absorber bracket 411, and a shock absorbing spring 43 is arranged on the spring base 42. The connecting piece 41 is used for connecting a plurality of parts of the system, the shock absorber bracket 411 above the connecting piece 41 is used for supporting the spring base 42, the spring base 42 is used for placing the shock absorbing spring 43, and the shock absorbing spring 43 is used for shock absorption.
The system further comprises dampers 5 arranged on two sides of the wheel bracket 1, the dampers 5 are respectively arranged on two sides of the damping mechanism 4, damper brackets 412 are respectively arranged on two sides of the connecting piece 41, and the lower ends of the dampers 5 are connected with the damper brackets 412. The damper 5 plays a role of both damping and guiding the spring, and the damper bracket 412 plays a role of connecting the damper 5 with the connection member 41.
The shock absorber bracket 411 is provided with a shock absorber connecting hole 4111, and the spring base 42 is fixed to the shock absorber bracket 411 through the shock absorber connecting hole 4111, wherein the shock absorber connecting hole 4111 is used for connecting the shock absorber bracket 411 with the spring base 42. The shock absorber bracket 411 is further provided with an upper cross arm connection hole 4112, and the upper cross arm connection hole 4112 is used to connect the connector 41 with the upper cross arm 2. A lower cross arm bracket 413 is arranged below the connecting piece 41, the lower cross arm 3 is fixedly connected to the connecting piece 41 through the lower cross arm bracket 413, a lower cross arm connecting hole 4131 is formed in the lower cross arm bracket 413, and the lower cross arm connecting hole 4131 is used for connecting the connecting piece 41 with the lower cross arm 3.
The damper 5 comprises a damper rod 51 and a damper sleeve 52 sleeved outside the damper rod 51, and a connecting part 53 fixedly connected with the damper sleeve 52 is arranged at the lower end of the damper sleeve 52. The damper sleeve 52 facilitates the placement of the damper rod 51, and the connection portion 53 serves both as a connection to the damper sleeve 52 and as a connection to the damper bracket 412. The damper bracket 412 is provided with a damper connecting hole 4121 coaxial with the connecting portion 53, and the damper sleeve 52 is made of rubber material.
The working principle of the utility model is as follows: the damping mechanism 4 is changed from being arranged on the lower cross arm 3 to being arranged above the connecting piece 41, so that a driving shaft at a similar position is avoided, when the automobile runs, the damping spring 43 is firstly transmitted to the spring base 42 below by vertical load and then to the shock absorber bracket 411 below, and finally transmitted to the connecting piece 41, and at the moment, the lower cross arm 3 connected with the lower cross arm bracket 413 is only subjected to horizontal pulling and pressing load, so that the vertical load is not required, meanwhile, the dampers 5 at two sides of the connecting piece 41 attenuate impact vibration of a road surface, guide the damping spring 43 and prevent the damping spring 43 from shifting.
The utility model avoids collision with the driving shaft of the rear-drive vehicle by changing the position of the damping mechanism 4, so that the double-cross arm suspension system can be applied to the rear-drive vehicle, and meanwhile, the lower cross arm 3 does not need to bear bending moment load, so that the stress condition is improved, the service life is prolonged, and the dampers 5 are arranged on two sides of the wheel bracket 1, thereby playing a damping role, damping the impact from the road surface in the driving process and guiding the damping spring 43.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (9)
1. The double-wishbone suspension system comprises a wheel bracket (1), wherein an upper wishbone (2) and a lower wishbone (3) are connected to the wheel bracket (1) through a connecting piece (41), and the double-wishbone suspension system is characterized in that: a damping mechanism (4) is arranged above the wheel bracket (1);
the damping mechanism (4) comprises a damper bracket (411) arranged above the connecting piece (41), a spring base (42) is arranged on the damper bracket (411), and a damping spring (43) is arranged on the spring base (42).
2. A double wishbone suspension system according to claim 1 wherein: the system further comprises dampers (5) arranged on two sides of the wheel bracket (1), wherein the dampers (5) are respectively arranged on two sides of the damping mechanism (4), damper supports (412) are respectively arranged on two sides of the connecting piece (41), and the lower ends of the dampers (5) are connected with the damper supports (412).
3. A double wishbone suspension system according to claim 1 wherein: the shock absorber bracket (411) is provided with a shock absorber connecting hole (4111), and the spring base (42) is fixed on the shock absorber bracket (411) through the shock absorber connecting hole (4111).
4. A double wishbone suspension system according to claim 1 wherein: the shock absorber bracket (411) is also provided with an upper cross arm connecting hole (4112).
5. A double wishbone suspension system according to claim 1 wherein: a lower cross arm bracket (413) is arranged below the connecting piece (41), and the lower cross arm (3) is fixedly connected to the connecting piece (41) through the lower cross arm bracket (413).
6. A double wishbone suspension system according to claim 5 wherein: the lower cross arm bracket (413) is provided with a lower cross arm connecting hole (4131).
7. A double wishbone suspension system according to claim 2 wherein: the damper (5) comprises a damping rod (51) and a damper sleeve (52) sleeved on the outer side of the damping rod (51), and a connecting part (53) fixedly connected with the lower end of the damper sleeve (52) is arranged at the lower end of the damper sleeve.
8. A double wishbone suspension system according to claim 7 wherein: the damper bracket (412) is provided with a damper connecting hole (4121) coaxial with the connecting part (53).
9. A double wishbone suspension system according to claim 7 wherein: the damper sleeve (52) is made of rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321732621.XU CN220720763U (en) | 2023-07-04 | 2023-07-04 | Double-cross arm suspension system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321732621.XU CN220720763U (en) | 2023-07-04 | 2023-07-04 | Double-cross arm suspension system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220720763U true CN220720763U (en) | 2024-04-05 |
Family
ID=90500766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321732621.XU Active CN220720763U (en) | 2023-07-04 | 2023-07-04 | Double-cross arm suspension system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220720763U (en) |
-
2023
- 2023-07-04 CN CN202321732621.XU patent/CN220720763U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |