CN109058342A - A kind of upper mounting seat - Google Patents

A kind of upper mounting seat Download PDF

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Publication number
CN109058342A
CN109058342A CN201811115783.2A CN201811115783A CN109058342A CN 109058342 A CN109058342 A CN 109058342A CN 201811115783 A CN201811115783 A CN 201811115783A CN 109058342 A CN109058342 A CN 109058342A
Authority
CN
China
Prior art keywords
frame
mounting seat
rigid
skeleton
rubber
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.)
Pending
Application number
CN201811115783.2A
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Chinese (zh)
Inventor
徐铄
闫耿泓
张海成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Changan Automobile Co Ltd
Original Assignee
Chongqing Changan Automobile Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chongqing Changan Automobile Co Ltd filed Critical Chongqing Changan Automobile Co Ltd
Priority to CN201811115783.2A priority Critical patent/CN109058342A/en
Publication of CN109058342A publication Critical patent/CN109058342A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00Springs
    • F16F1/36Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/38Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type
    • F16F1/3863Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type characterised by the rigid sleeves or pin, e.g. of non-circular cross-section

Abstract

The invention discloses a kind of upper mounting seats, including rubber bushing, rigid frame and rigid cover plate.The upper surface of McPherson suspension damping spring and the connecting plate of rigid frame periphery offset, excitation from road surface is transmitted to rigid frame by spring, vehicle body is transmitted to by rigid frame again, damper passes to vehicle body by rubber bushing by the power that piston rod is subject to damper itself, that is, the damping force that rubber bushing transmitting damper transmits, rigid frame transmit the spring force of damping spring, realize the binary channels transmitting of damping force and spring force.Spring is passed directly to vehicle body by the power that spring is subject to after rigid frame, damper individually passes to vehicle body by the power that piston rod is subject to damper itself, mainly passing through spring is transmitted to vehicle body for excitation from road surface, the lateral force being subject at the piston rod of damper is smaller, makes the manipulation of vehicle and comfort while being optimal.

Description

A kind of upper mounting seat
Technical field
The present invention relates to field of automobile, in particular to a kind of upper mounting seat.
Background technique
McPherson suspension is currently on the market in 5-7 home vehicles using more front suspension structure form, due to suspension The particularity of structure type usually all uses spring+damper integral type corbeling of power transmission and vibration-damping function integral type, should Integral structure undertakes the interaction force between transmitting wheel and vehicle body.In order to mitigate the shock loading between tire and ground It is directly delivered to vehicle body, can all there be the upper mounting seat of a rubber overhead in integral type corbeling upper end.Traditional overhead support Structure includes the lower notches of connection, and the spring and damper of McPherson suspension directly directly connect from lower groove and overhead support Touching, it is all to be directly delivered to vehicle by a power transmission access that overhead, which supports spring force and damper power by McPherson suspension, Body, force path is single, exists between damping force and spring force and interferes with each other.
Upper mounting seat should undertake handling effect, undertake the effect of comfort again, after raising is handling, comfort It necessarily reduces, cannot be considered in terms of the handling and comfort of vehicle while being optimal.
Therefore, so that upper mounting seat is taken into account the handling and comfort of vehicle, become those skilled in the art and urgently solve Certainly the technical issues of.
Summary of the invention
In view of this, the present invention provides a kind of upper mounting seat, so that upper mounting seat takes into account the handling and comfortable of vehicle Property.
To achieve the above object, the invention provides the following technical scheme:
A kind of upper mounting seat, comprising:
Rubber bushing, the rubber bushing include outer skeleton, inner frame and be located at the outer skeleton and the inner frame it Between main rubber, the upper surface and lower end surface of the main rubber are asymmetric end face, the intermediate setting of the rubber bushing There is the mounting hole with piston rod cooperation;
Rigid backbone, the centre of the rigid backbone offer the cavity with rubber bushing cooperation, the cavity Lower end is provided with the support plate for being used to support the rubber bushing, the height of upper surface of the support plate apart from the cavity compared with The height of the rubber bushing is small, and the periphery of the rigid backbone is provided with and the bolted connecting plate of car body, the connection The lower end surface of plate and the upper surface of damping spring offset;
It is set to the rigid cover plate of the rigid backbone upper surface, the rigid cover plate and the fixed company of the rigid backbone It connects.
Preferably, in above-mentioned upper mounting seat, the rigid cover plate is connect with the rigid backbone roll riveting.
Preferably, in above-mentioned upper mounting seat, the upper surface and lower end surface of the main rubber are provided with shrouded rotor blade, It is provided with damping groove between adjacent shrouded rotor blade, is arc-shaped transition between the shrouded rotor blade and the damping groove, it is described Upper surface is different with the quantity of the shrouded rotor blade of the lower end surface;
Protrusion is provided on the shrouded rotor blade and the damping groove.
Preferably, in above-mentioned upper mounting seat, the shrouded rotor blade is arc boss, and the damping groove is that arc is recessed Slot.
Preferably, in above-mentioned upper mounting seat, the upper surface excircle of the rigid cover plate is provided with groove.
Preferably, in above-mentioned upper mounting seat, the upper surface of the rigid backbone is provided with vulcanised rubber layer.
Preferably, in above-mentioned upper mounting seat, the rigid backbone is aluminum alloy framework, and the rigid cover plate is aluminium alloy Cover board.
Preferably, in above-mentioned upper mounting seat, the outer skeleton is adapted to the inner wall shape of the cavity, the outer skeleton Vulcanize with the main rubber and bonds;
The inner frame is cyclic skeleton, and the periphery of the cyclic skeleton is provided with downward bending edge, the inner frame Vulcanize with the main rubber and bond, the inner wall of the main rubber is adapted to the peripheral shape of the inner frame.
Preferably, in above-mentioned upper mounting seat, the outer skeleton is the outer skeleton of plastics.
Preferably, in above-mentioned upper mounting seat, the inner frame is metal interior skeleton.
It can be seen from the above technical proposal that upper mounting seat provided by the invention, including rubber bushing, rigid backbone and just Property cover board.The upper surface of McPherson suspension damping spring and the connecting plate of rigid frame periphery offset, and the excitation from road surface is logical It crosses spring and is transmitted to rigid frame, then vehicle body, the i.e. spring force of rigid frame transmitting damping spring are transmitted to by rigid frame, The power that damper itself is subject to is passed to vehicle body by rubber bushing by piston rod by damper, i.e. rubber bushing transmits damping The damping force that device transmits, the upper mounting seat that this programme provides realizes the binary channels transmitting of damping force and spring force, so that coming from Mainly passing through spring is transmitted to vehicle body for the excitation on road surface, and the lateral force being subject at the piston rod of damper is smaller, makes vehicle Manipulation and comfort be optimal simultaneously.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of upper mounting seat provided in an embodiment of the present invention;
Fig. 2 is the structural schematic diagram of main rubber provided in an embodiment of the present invention;
Fig. 3 is the structural schematic diagram of main rubber lower end surface provided in an embodiment of the present invention.
1, rigid cover plate, 2, rubber bushing, 2-1, outer skeleton, 2-2, main rubber, 2-3, inner frame, 2-4, protrusion, 3, Rigid frame.
Specific embodiment
The invention discloses a kind of upper mounting seats, so that upper mounting seat takes into account the handling and comfort of vehicle.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Fig. 1-Fig. 3 is please referred to, Fig. 1 is the structural schematic diagram of upper mounting seat provided in an embodiment of the present invention;Fig. 2 is the present invention The structural schematic diagram for the main rubber that embodiment provides;Fig. 3 is the structure of main rubber lower end surface provided in an embodiment of the present invention Schematic diagram.
The invention discloses a kind of upper mounting seats, including rubber bushing 2, rigid frame 3 and rigid cover plate 1.
Rubber bushing 2 includes outer skeleton 2-1, inner frame 2-3 and the main body between outer skeleton 2-1 and inner frame 2-3 The upper surface and lower end surface of rubber 2-2, main rubber 2-2 are asymmetric end face, and asymmetric end face means main rubber 2-2 Upper surface and lower end surface structure it is not identical.The centre of rubber bushing 2 is provided with the mounting hole with piston rod cooperation.
The centre of rigid frame 3 offers the cavity cooperated with rubber bushing 2, the height of the height of cavity compared with rubber bushing 2 Spend small, cavity formation confined space after rigid frame 3 and the cooperation of rigid cover plate 1.
The lower end of cavity is provided with the support plate for being used to support rubber bushing 2, prevents rubber bushing 2 from rigid frame 3 It is slid in cavity.Preferably, height small 1-2mm of height of the support plate apart from cavity upper surface compared with rubber bushing 2, rubber bushing 2 short transverse and the short transverse of confined space are interference fit, and the mode rigid cover plate 1 of interference fit is to rubber bushing 2 There is certain precompression, prevents rubber bushing 2 in vehicle travel process from play occurs, cause abnormal sound or failure.
The periphery of rigid frame 3 is provided with and the bolted connecting plate of car body, the lower end surface of connecting plate and damping spring Upper surface offset.
Rigid cover plate 1 is set to the upper surface of rigid frame 3, and rigid cover plate 1 is fixedly connected with rigid frame 3.
The upper surface of McPherson suspension damping spring and the connecting plate of 3 periphery of rigid frame offset, the excitation from road surface It is transmitted to rigid frame 3 by spring, then vehicle body, the i.e. bullet of the transmitting of rigid frame 3 damping spring are transmitted to by rigid frame 3 The power that damper itself is subject to is passed to vehicle body, i.e. rubber bushing 2 by rubber bushing 2 by piston rod by spring force, damper The damping force that transmitting damper transmits, the upper mounting seat that this programme provides realize the binary channels transmitting of damping force and spring force, So that mainly pass through spring is transmitted to vehicle body to the excitation from road surface, the lateral force being subject at the piston rod of damper compares It is small, make the manipulation of vehicle and comfort while being optimal.
The upper mounting seat that this programme provides, the binary channels for realizing damping force and spring force are transmitted, the axial direction of upper mounting seat Rigidity can be made small, to absorb the vibration of damper, improve the abnormal sound of damper.
In a specific embodiment of this programme, rigid cover plate 1 is connect with 3 roll riveting of rigid frame.Roll riveting technique is realized The rigid connection of rigid cover plate 1 and rigid frame 3, after the completion of rigid cover plate 1 is connect with rigid frame 3, the cavity of rigid frame 3 Closed cavity is formed, dustproof effect is effectively played.
The upper surface and lower end surface of main rubber 2-2 is provided with shrouded rotor blade, is provided with and subtracts between adjacent shrouded rotor blade Shake groove.First order damping of the shrouded rotor blade as main rubber 2-2, damping groove subtract as the second level of main rubber 2-2 Shake.When main rubber 2-2 compresses, the first order damping of the upper end main rubber 2-2 is first contacted with rigid cover plate 1, with stress Increase, the second level damping of the upper end main rubber 2-2 is contacted with metal cover board again;When main rubber 2-2 is stretched, main rubber 2- The first order damping of 2 lower ends is first contacted with support plate, and with the increase of stress, the second level damping of the lower end main rubber 2-2 is again It is contacted with support plate.The upper surface and lower end surface of main rubber 2-2 is provided with two-stage damping, reduces the upper of rubber bushing 2 The lower end surface of the contact stiffness and rubber bushing 2 of end face and cover board and the contact stiffness of support plate improve relaxing for vehicle driving Adaptive.
In order to guarantee the gentle transition of pressure between first order damping and second level damping, shrouded rotor blade and damping groove it Between be designed as arc-shaped transition, avoid pressure change dramatically, influence the service life of rubber bushing 2.
The quantity of the shrouded rotor blade of the upper surface and lower end surface of main rubber 2-2 is different, correspondingly, the quantity of damping groove Also different.
As shown in Figure 1, not only quantity is different for the shrouded rotor blade of upper and lower end face, but also height is different, correspondingly, damping groove It is also not only quantity difference, but also height difference.
The upper mounting seat that this programme provides, main rubber 2-2 is upper and lower dissymmetrical structure, so that main rubber up and down direction Rigidity is different, and the dynamic force of compression or the stretching of the rigidity size and damper of the up and down direction of main rubber matches, from And reduce bounce sense and vehicle vibratory sense of the vehicle on the coarse asphalt road of middle low speed or the smooth asphalt road of high speed.
Specifically, the rigidity of main rubber compression direction is small when compression, and when stretching, the rigidity of main rubber draw direction Greatly, this kind design has preferable isolating affection to the vibration of rough road secondary.
It is provided with raised 2-4 on the shrouded rotor blade and damping groove of the upper and lower end face main rubber 2-2, raised 2-4, damping are convex Platform and damping groove are integrally formed.The design of raised 2-4 reduces contact area and the master of the upper surface main rubber 2-2 and cover board The contact area of the lower end surface body rubber 2-2 and support plate, thus reduce upper surface and cover board contact stiffness and lower end surface with The contact stiffness of support plate increases vehicle comfort, and can eliminate rubber bushing 2 and metal cover board and rigid frame 3 Just shock abnormal sound when contact.Preferably, it is provided with a row protrusion 2-4 on shrouded rotor blade, is provided in damping groove two rows of convex 2-4 is played, the either raised 2-4 of the raised 2-4 of shrouded rotor blade or damping groove is the end face along main rubber 2-2 Circumference is arranged, and is arranged in the position that shrouded rotor blade is contacted with cover board and the position that damping groove is contacted with support plate.
In a specific embodiment of this programme, shrouded rotor blade is arc boss, and damping groove is arc groove.
In a specific embodiment of this programme, the upper surface excircle of rigid cover plate 1 is provided with groove.Groove along The upper surface excircle of rigid cover plate 1 is uniformly distributed, and is specifically opened up quantity and is opened up depth and be designed as needed, herein not It is specifically limited.Groove has not only acted as the effect of loss of weight, and plays the role of reinforcing rib, increases rigid cover plate 1 Use intensity extends the service life of rigid cover plate 1.
What upper surface, that is, rigid frame 3 of rigid frame 3 was contacted with car body is provided with vulcanised rubber layer on one side, and rubber layer makes Upper mounting seat and car body Elastic Contact reduce the resonance abnormal sound between vehicle body, improve the comfort of vehicle driving.
In a specific embodiment of this programme, rigid frame 3 is connect with car body by three bolt fastenings.
Rigid frame 3 is aluminum alloy framework, and rigid cover plate 1 is aluminium alloy cover board.Rigid frame 3 is adopted with rigid cover plate 1 It is made of aluminum process, it is light-weight, reduce unsprung mass.
Outer skeleton 2-1 is adapted to the inner wall shape of cavity, and outer skeleton 2-1 and main rubber 2-2 vulcanization bond, specifically, The outer wall shape of outer skeleton 2-1 is adapted to the inner wall shape of cavity, and the inner wall shape of outer skeleton 2-1 and main rubber 2-2's is outer Wall shape adaptation;
Inner frame 2-3 is cyclic skeleton, and the periphery of cyclic skeleton is provided with downward bending edge, and cyclic skeleton is similar to bowl Shape structure, specifically, the thickness of bending edge is greater than the thickness of cyclic skeleton, to guarantee the use intensity of inner frame 2-3.Inner frame 2-3 and main rubber 2-2 vulcanization bonds, and the inner wall of main rubber 2-2 is adapted to the peripheral shape of inner frame 2-3, inner frame 2-3 It is connect with piston rod.
In order to mitigate the quality of rubber bushing 2, outer skeleton 2-1 is the outer skeleton 2-1 of plastics.
In order to guarantee the use intensity of rubber bushing 2, inner frame 2-3 is metal interior skeleton 2-3, it is preferred that inner frame 2-3 For aluminum alloy framework.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest scope of cause.

Claims (10)

1. a kind of upper mounting seat characterized by comprising
Rubber bushing (2), the rubber bushing (2) include outer skeleton (2-1), inner frame (2-3) and be located at the outer skeleton (2- 1) main rubber (2-2) between the inner frame (2-3), the upper surface and lower end surface of the main rubber (2-2) are non- Symmetrical end face, the centre of the rubber bushing (2) are provided with the mounting hole with piston rod cooperation;
Rigid frame (3), the centre of the rigid frame (3) offer the cavity with the rubber bushing (2) cooperation, the sky The lower end of chamber is provided with the support plate for being used to support the rubber bushing (2), upper surface of the support plate apart from the cavity Height it is small compared with the height of the rubber bushing (2), the periphery of the rigid frame (3) is provided with and the bolted company of car body Fishplate bar, the lower end surface of the connecting plate and the upper surface of damping spring offset;
It is set to the rigid cover plate (1) of the rigid frame (3) upper surface, the rigid cover plate (1) and the rigid frame (3) It is fixedly connected.
2. upper mounting seat according to claim 1, which is characterized in that the rigid cover plate (1) and the rigid frame (3) Roll riveting connection.
3. upper mounting seat according to claim 1, which is characterized in that the upper surface and lower end of the main rubber (2-2) Face is provided with shrouded rotor blade, and damping groove, the shrouded rotor blade and the damping groove are provided between adjacent shrouded rotor blade Between be arc-shaped transition, the quantity of the upper surface and the shrouded rotor blade of the lower end surface is different;
Raised (2-4) is provided on the shrouded rotor blade and the damping groove.
4. upper mounting seat according to claim 3, which is characterized in that the shrouded rotor blade is arc boss, the damping Groove is arc groove.
5. upper mounting seat according to claim 1, which is characterized in that the upper surface excircle of the rigid cover plate (1) is set It is equipped with groove.
6. upper mounting seat according to claim 1, which is characterized in that the upper surface of the rigid frame (3) is provided with sulphur Change rubber layer.
7. upper mounting seat according to claim 1, which is characterized in that the rigid frame (3) is aluminum alloy framework, described Rigid cover plate (1) is aluminium alloy cover board.
8. upper mounting seat according to claim 1, which is characterized in that the inner wall of outer skeleton (2-1) and the cavity Shape adaptation, the outer skeleton (2-1) and the main rubber (2-2) vulcanization bond;
The inner frame (2-3) is cyclic skeleton, and the periphery of the cyclic skeleton is provided with downward bending edge, the inner frame (2-3) and the main rubber (2-2) vulcanization bonds, and the inner wall of the main rubber (2-2) and the inner frame (2-3's) is outer All shape adaptations.
9. upper mounting seat according to claim 1, which is characterized in that the outer skeleton (2-1) is the outer skeleton of plastics.
10. upper mounting seat according to claim 1, which is characterized in that the inner frame (2-3) is metal interior skeleton.
CN201811115783.2A 2018-09-25 2018-09-25 A kind of upper mounting seat Pending CN109058342A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811115783.2A CN109058342A (en) 2018-09-25 2018-09-25 A kind of upper mounting seat

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Application Number Priority Date Filing Date Title
CN201811115783.2A CN109058342A (en) 2018-09-25 2018-09-25 A kind of upper mounting seat

Publications (1)

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CN109058342A true CN109058342A (en) 2018-12-21

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CN201811115783.2A Pending CN109058342A (en) 2018-09-25 2018-09-25 A kind of upper mounting seat

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110332266A (en) * 2019-07-17 2019-10-15 重庆恒伟林汽车零部件有限公司 A kind of novel damping upper connecting base

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US20030102194A1 (en) * 2000-06-05 2003-06-05 Yasukuni Wakita Suspension support
CN1803484A (en) * 2005-01-12 2006-07-19 东洋橡胶工业株式会社 Strut mount
CN201456974U (en) * 2009-08-28 2010-05-12 重庆长安汽车股份有限公司 Mounting seat assembly of front strut of automotive suspension system
CN201794977U (en) * 2010-09-13 2011-04-13 安维斯(无锡)橡胶减震器有限公司 Upper support seat assembly for shock absorber
CN202923328U (en) * 2012-10-18 2013-05-08 广州汽车集团股份有限公司 Shock-absorption support frame of vehicle shock absorber and the vehicle shock absorber
CN204025510U (en) * 2014-06-17 2014-12-17 广州汽车集团股份有限公司 Upper erection support and the ride-control of ride-control
CN204729528U (en) * 2015-06-08 2015-10-28 上海众力投资发展有限公司 A kind of chassis supports
CN205905699U (en) * 2016-08-22 2017-01-25 江铃控股有限公司 Hub structure of shock absorber upper bracket behind car
CN205918816U (en) * 2016-07-11 2017-02-01 玉环县舒特橡胶制品有限公司 Top rubber
CN206958136U (en) * 2017-03-22 2018-02-02 天纳克汽车工业(苏州)有限公司 It is a kind of to be easy to support on the damper of debugging
CN207648029U (en) * 2017-12-22 2018-07-24 长城汽车股份有限公司 A kind of bush Assembly and damper

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030102194A1 (en) * 2000-06-05 2003-06-05 Yasukuni Wakita Suspension support
CN1803484A (en) * 2005-01-12 2006-07-19 东洋橡胶工业株式会社 Strut mount
CN201456974U (en) * 2009-08-28 2010-05-12 重庆长安汽车股份有限公司 Mounting seat assembly of front strut of automotive suspension system
CN201794977U (en) * 2010-09-13 2011-04-13 安维斯(无锡)橡胶减震器有限公司 Upper support seat assembly for shock absorber
CN202923328U (en) * 2012-10-18 2013-05-08 广州汽车集团股份有限公司 Shock-absorption support frame of vehicle shock absorber and the vehicle shock absorber
CN204025510U (en) * 2014-06-17 2014-12-17 广州汽车集团股份有限公司 Upper erection support and the ride-control of ride-control
CN204729528U (en) * 2015-06-08 2015-10-28 上海众力投资发展有限公司 A kind of chassis supports
CN205918816U (en) * 2016-07-11 2017-02-01 玉环县舒特橡胶制品有限公司 Top rubber
CN205905699U (en) * 2016-08-22 2017-01-25 江铃控股有限公司 Hub structure of shock absorber upper bracket behind car
CN206958136U (en) * 2017-03-22 2018-02-02 天纳克汽车工业(苏州)有限公司 It is a kind of to be easy to support on the damper of debugging
CN207648029U (en) * 2017-12-22 2018-07-24 长城汽车股份有限公司 A kind of bush Assembly and damper

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110332266A (en) * 2019-07-17 2019-10-15 重庆恒伟林汽车零部件有限公司 A kind of novel damping upper connecting base

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