CN207433172U - A kind of automobile suspension trailing arm bushing - Google Patents
A kind of automobile suspension trailing arm bushing Download PDFInfo
- Publication number
- CN207433172U CN207433172U CN201721624927.8U CN201721624927U CN207433172U CN 207433172 U CN207433172 U CN 207433172U CN 201721624927 U CN201721624927 U CN 201721624927U CN 207433172 U CN207433172 U CN 207433172U
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- cushion pad
- trailing arm
- inner core
- core tube
- automobile suspension
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Abstract
The utility model is related to a kind of automobile suspension trailing arm bushings, for automobile frame to be connected with automobile longitudinal arm phase flexible buffer, trailing arm bushing is revolution body component, bushing includes outer support pipe, inner support tube and the Buffer Unit between outer support pipe, inner support tube, Buffer Unit includes successively the first buffer element and the second buffer element that along the circumferential direction alternate intervals are set, and the hardness of the first buffer element is higher than the hardness of the second buffer element.The vehicle travel direction of the automobile suspension trailing arm bushing of the utility model provides relatively low radial rigidity using soft low resistance rubber, and shock and vibration can be relatively slowly drawn to after travel direction is hit, and improves comfort.Vehicle vertical direction uses high rigidity high-damping rubber, and when by vertical impact, high-damping rubber preferably can inhibit to impact and resonate.
Description
Technical field
The utility model is related to rubber bushing for cars, and in particular to a kind of automobile suspension trailing arm bushing.
Background technology
With the improvement of people's living standards, to vehicle travel in comfort property, concern it is more and more.
Automobile longitudinal arm is the critical piece that longitudinal movement is controlled in the suspension of automobile multi link, and trailing arm bushing as vehicle body and
Flexible connecting member between trailing arm has a great impact to longitudinal comfort of vehicle.Generally for take into account comfort with manipulation
Property is before and after the automobile in travel direction, it is desirable that rigidity is smaller, with to the power in travel direction（Such as, inertia when impact force, braking
Power）Into row buffering；And vertical direction（Compared with the vertical direction of travel direction）Ensure vehicle body in Vertical Square it is required that rigidity is larger
To stabilization.At present, in order to meet such rigidity requirement, many trailing arm bushing designs are hollow bushing, but such hollow lining
Set is mostly using a kind of rubber compounding, and while the low radial direction Low rigidity in hollow direction is met, vertical direction rigidity is relatively low, actual
The comfort of vertical direction is influenced whether during use.
The content of the invention
Technical problem to be solved in the utility model is to overcome the deficiencies of the prior art and provide a kind of automobile suspension trailing arm
Bushing, to ensure in travel direction Low rigidity（High buffering）Use demand in the case of, improve vehicle body vertical direction stabilization
Property（High rigidity）, meet the needs of people's riding comfort.
In order to solve the above technical problems, the technical solution that the utility model is taken is as follows：
A kind of automobile suspension trailing arm bushing, for automobile frame to be connected with automobile longitudinal arm phase flexible buffer, trailing arm bushing
To turn round body component, bushing includes outer support pipe 1 and inner core tube 2 and the buffering group between outer support pipe 1, inner core tube 2
Part, Buffer Unit include being arranged between the inner wall of outer support pipe 1 and the outer wall of inner core tube 2 and along outer support pipe 1 and inner core
The radially extending buffer unit of 2 length direction of pipe and axial buffer component, wherein radial direction buffer unit include being located at 2 phase of inner core tube
To both sides and the first cushion pad 31 of the shock and vibration of radial direction and the second cushion pad 32, axial buffer component can be absorbed include
Positioned at 2 opposite sides of inner core tube and the 3rd cushion pad 33 and the 4th cushion pad 34 of axial shock and vibration can be buffered, first
Cushion pad 31, the 3rd cushion pad 33, the second cushion pad 32, the 4th cushion pad 34 are sequentially distributed around the circumferential direction of inner core tube 2.
Preferably, the first cushion pad 31, the second cushion pad 32, the 3rd cushion pad 33 and the 4th cushion pad 34, which are spaced, divides
Cloth.
Preferably, between the first cushion pad 31 and the second cushion pad 32 and the 3rd cushion pad 33 and the 4th cushion pad 34 it
Between respectively about inner core tube 2 center symmetric setting.
Preferably, the area of section along trailing arm bushing axial direction of the first cushion pad 31 be more than the 3rd cushion pad 33 along trailing arm
The area of section of bushing axial direction.
Preferably, the area of section along trailing arm bushing radial direction of the first cushion pad 31 be more than the 3rd cushion pad 33 along trailing arm
The area of section of bushing radial direction.
Preferably, the wall thickness of inner core tube 2 is more than the thickness of outer support pipe 2.
Preferably, outer support pipe 1, the material of inner core tube 2 are aluminium alloy.It can so ensure the press-in pressure of outer support pipe
It contributes and requires, and with good corrosion resistance.Inner support tube can ensure to meet using conquassation using high-strength aluminum alloy
Power requirement.
Preferably, the material of the first cushion pad 31 and the second cushion pad 32 is rubber.First cushion pad and second delays
Punching pad is formulated natural rubber using high rigidity high-damping, preferably absorbs the shock and vibration of vertical direction.
Preferably, the material of the 3rd cushion pad 33 and the 4th cushion pad 34 is rubber.3rd cushion pad and the 4th delays
Punching pad provides high abrasion, the mechanical performance of height rebound using soft natural rubber.
Preferably, outer support pipe 1, inner core tube 2, the first cushion pad 31, the 3rd cushion pad 33, the second cushion pad the 32, the 4th
34 integrated injection molding sulfidization molding of cushion pad.Diameter reducing process is carried out after vulcanization, endurance quality improves.
Due to the implementation of above technical scheme, the utility model has the following advantages that compared with prior art：
The vehicle travel direction of the automobile suspension trailing arm bushing of the utility model using soft low resistance rubber provide compared with
Low radial rigidity can relatively slowly be drawn to shock and vibration after travel direction is hit, and improve comfort.Vehicle is vertical
Direction uses high rigidity high-damping rubber, and when by vertical impact, high-damping rubber preferably can inhibit to impact and resonate, and
And in the process of moving, with the raising of travel speed, vehicle frequency can also be continuously improved, and high-damping rubber has higher dynamic
State hardening is horizontal, and vertical direction rigidity improves, and in the case of certain, reduce vehicle body and fluctuates.
Description of the drawings
Fig. 1 is the overlooking the structure diagram of the automobile suspension trailing arm bushing of the utility model；
Fig. 2 be in Fig. 1 A-A to schematic cross-sectional view；
Wherein：1st, outer support pipe；2nd, inner core tube；31st, the first cushion pad；32nd, the second cushion pad；33rd, the 3rd cushion pad；
34th, the 4th cushion pad.
Specific embodiment
The utility model is described in more detail with specific embodiment below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, a kind of automobile suspension trailing arm bushing, for automobile frame is mutually flexible slow with automobile longitudinal arm
Punching connection, trailing arm bushing are revolution body component, and bushing includes outer support pipe 1 and inner core tube 2 and positioned at outer support pipe 1, inner core
Buffer Unit between pipe 2, Buffer Unit include be arranged between the inner wall of outer support pipe 1 and the outer wall of inner core tube 2 and along
Outer support pipe 1 and the radially extending buffer unit of 2 length direction of inner core tube and axial buffer component, wherein radial direction buffer unit bag
It includes positioned at 2 opposite sides of inner core tube and the first cushion pad 31 and the second cushion pad 32 of the shock and vibration of radial direction can be absorbed,
Axial buffer component includes positioned at 2 opposite sides of inner core tube and can buffer the 3rd cushion pad 33 and the of axial shock and vibration
Four cushion pads 34, the first cushion pad 31, the 3rd cushion pad 33, the second cushion pad 32, the 4th cushion pad 34 around inner core tube 2 week
To being sequentially distributed.
Specifically, the first cushion pad 31, the second cushion pad 32, the 3rd cushion pad 33 and the 4th cushion pad 34, which are spaced, divides
Cloth.Respectively about interior between first cushion pad 31 and the second cushion pad 32 and between the 3rd cushion pad 33 and the 4th cushion pad 34
The center symmetric setting of core pipe 2.The area of section along trailing arm bushing axial direction of first cushion pad 31 is more than the 3rd cushion pad 33
Along the area of section of trailing arm bushing axial direction.The area of section along trailing arm bushing radial direction of first cushion pad 31 is more than the 3rd cushion pad
33 area of section along trailing arm bushing radial direction.The wall thickness of inner core tube 2 is more than the thickness of outer support pipe 2.Moreover, outer support pipe 1,
Inner core tube 2, the first cushion pad 31, the 3rd cushion pad 33, the second cushion pad 32,34 integrated injection molding sulfidization molding of the 4th cushion pad.
Diameter reducing process is carried out after vulcanization, endurance quality improves.
Further, outer support pipe 1, the material of inner core tube 2 are aluminium alloy.It can so ensure the press-in of outer support pipe
Extrusion pressure requirement, and with good corrosion resistance.Inner support tube can ensure to meet using pressure using high-strength aluminum alloy
Power of bursting requirement.The material of first cushion pad 31 and the second cushion pad 32 is rubber.First cushion pad and the second cushion pad are adopted
Natural rubber is formulated with high rigidity high-damping, preferably absorbs the shock and vibration of vertical direction.3rd cushion pad 33 and the 4th
The material of cushion pad 34 is rubber.3rd cushion pad and the 4th cushion pad use soft natural rubber, provide high abrasion,
The mechanical performance of height rebound.
In conclusion the vehicle travel direction of the automobile suspension trailing arm bushing of the utility model uses soft low resistance rubber
Glue provides relatively low radial rigidity, and shock and vibration can be relatively slowly drawn to after travel direction is hit, and improves comfort.
Vehicle vertical direction uses high rigidity high-damping rubber, and when by vertical impact, high-damping rubber can preferably inhibit to impact
And resonance, and in the process of moving, with the raising of travel speed, vehicle frequency can also be continuously improved, and high-damping rubber has
It is horizontal higher dynamic hardening, the raising of vertical direction rigidity in the case of certain, reduce vehicle body and fluctuates.
The utility model is described in detail above, its object is to allow the personage for being familiar with this field technology can be much of that
It solves the content of the utility model and is carried out, the scope of protection of the utility model can not be limited with this, it is all according to this practicality
The equivalent change or modification that new Spirit Essence is made should all cover within the protection scope of the present utility model.
Claims (10)
1. a kind of automobile suspension trailing arm bushing, for automobile frame to be connected with automobile longitudinal arm phase flexible buffer, the trailing arm lining
It covers to turn round body component, the bushing includes outer support pipe and inner core tube and between the outer support pipe, inner core tube
Buffer Unit, it is characterised in that：The Buffer Unit includes being arranged on the inner wall of the outer support pipe and the inner core tube
Between outer wall and along the outer support pipe and the radially extending buffer unit of inner core tube length direction and axial buffer component,
The wherein described radial direction buffer unit includes the shock and vibration for being located at the inner core tube opposite sides and can absorbing radial direction
First cushion pad and the second cushion pad, the axial buffer component include positioned at the inner core tube opposite sides and can buffer
Axial impact and the 3rd cushion pad and the 4th cushion pad of vibration, first cushion pad, the 3rd cushion pad, the second buffering
Pad, the 4th cushion pad are sequentially distributed around the circumferential direction of the inner core tube.
2. automobile suspension trailing arm bushing according to claim 1, it is characterised in that：First cushion pad, the second cushion pad,
3rd cushion pad and the 4th cushion pad are spaced apart.
3. automobile suspension trailing arm bushing according to claim 1 or claim 2, it is characterised in that：First cushion pad and second delays
Punching pad between and the 3rd cushion pad and the 4th cushion pad between respectively about the inner core tube center symmetric setting.
4. automobile suspension trailing arm bushing according to claim 3, it is characterised in that：First cushion pad along the trailing arm
The area of section of bushing axial direction is more than the area of section along the trailing arm bushing axial direction of the 3rd cushion pad.
5. automobile suspension trailing arm bushing according to claim 3, it is characterised in that：First cushion pad along the trailing arm
The area of section of bushing radial direction is more than the area of section along the trailing arm bushing radial direction of the 3rd cushion pad.
6. automobile suspension trailing arm bushing according to claim 1, it is characterised in that：The wall thickness of the inner core tube is more than described
The thickness of outer support pipe.
7. according to the automobile suspension trailing arm bushing of claim 1 or 6, it is characterised in that：The outer support pipe, the material of inner core tube
Matter is aluminium alloy.
8. automobile suspension trailing arm bushing according to claim 1, it is characterised in that：First cushion pad and the second cushion pad
Material be rubber.
9. according to the automobile suspension trailing arm bushing of claim 1 or 8, it is characterised in that：3rd cushion pad and the 4th delays
The material of punching pad is rubber.
10. automobile suspension trailing arm bushing according to claim 9, it is characterised in that：The outer support pipe, inner core tube, first
Cushion pad, the 3rd cushion pad, the second cushion pad, the 4th cushion pad integrated injection molding sulfidization molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721624927.8U CN207433172U (en) | 2017-11-29 | 2017-11-29 | A kind of automobile suspension trailing arm bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721624927.8U CN207433172U (en) | 2017-11-29 | 2017-11-29 | A kind of automobile suspension trailing arm bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207433172U true CN207433172U (en) | 2018-06-01 |
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ID=62285122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721624927.8U Active CN207433172U (en) | 2017-11-29 | 2017-11-29 | A kind of automobile suspension trailing arm bushing |
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| Country | Link |
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| CN (1) | CN207433172U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869602A (en) * | 2018-07-27 | 2018-11-23 | 北京新能源汽车股份有限公司 | Suspension bushing, the manufacturing method of suspension bushing and vehicle |
| CN110967073A (en) * | 2019-12-31 | 2020-04-07 | 吴加成 | Differential pressure type flowmeter in waste water pipeline |
-
2017
- 2017-11-29 CN CN201721624927.8U patent/CN207433172U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869602A (en) * | 2018-07-27 | 2018-11-23 | 北京新能源汽车股份有限公司 | Suspension bushing, the manufacturing method of suspension bushing and vehicle |
| CN110967073A (en) * | 2019-12-31 | 2020-04-07 | 吴加成 | Differential pressure type flowmeter in waste water pipeline |
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