CN104912995A - Hydraulic bushing in vehicle suspension system guide device and vehicle - Google Patents
Hydraulic bushing in vehicle suspension system guide device and vehicle Download PDFInfo
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- CN104912995A CN104912995A CN201410094113.2A CN201410094113A CN104912995A CN 104912995 A CN104912995 A CN 104912995A CN 201410094113 A CN201410094113 A CN 201410094113A CN 104912995 A CN104912995 A CN 104912995A
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- primary elastomeric
- hydraulic bushing
- elastomeric body
- liquid chamber
- rubber body
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
- F16F13/08—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper
- F16F13/14—Units of the bushing type, i.e. loaded predominantly radially
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combined Devices Of Dampers And Springs (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention provides a hydraulic bushing in a vehicle suspension system guide device and a vehicle. The hydraulic bushing comprises an inner tube, a main rubber body coating the outer edge of the inner tube, at least one inner framework which is arranged in the middle of the main rubber body and fixedly connected with the main rubber body, a first flow channel plate, a second flow channel plate, a first liquid chamber, a second liquid chamber and a liquid channel tank. The first flow channel plate and the second flow channel plate are arranged outside the main rubber body. The first liquid chamber is formed between the main rubber body and the first flow channel plate. The second liquid chamber is formed between the main rubber body and the second flow channel plate. The liquid channel tank is arranged between the first liquid chamber and the second liquid chamber and conducts viscous liquid in the first liquid chamber and the second liquid chamber to flow. The first liquid chamber, the second liquid chamber and the liquid channel tank are filled with viscous liquid. The hydraulic bushing is small in occupied space.
Description
Technical field
The present invention relates to automobile technical field, particularly relate to a kind of for the hydraulic bushing in automobile suspension system guiding device and automobile.
Background technique
At present, hydraulic bushing used in the guiding device of automobile suspension system is generally rubber bushing, as the articulating point that control arm in guiding device or track bar are connected with vehicle body.Rubber bushing is good with its anti-vibration performance, has the advantages such as desired elastic characteristic and Decay Rate, has become indispensable critical elements on automobile.And rubber bushing of the prior art is generally integral rubber lining, its shortcoming is that dynamic elasticity rigidity is low, retardation angle generally below 10 °, its creep properties and Decay Rate poor, be unfavorable for vibrate rapid decay.Therefore, industry has researched and developed hydraulic bushing structure, and object is to provide large time delay angle (>=20 °), brings high attenuation performance, to ensure that car load has good control stability and smoothness.
The hydraulic bushing applied in automobile suspension system guiding device has two kinds of basic structural types: axialmode hydraulic bushing and radial mode hydraulic bushing.But no matter axialmode or radial mode hydraulic bushing, the sealing liquid form of these two kinds of mainstay structures is all more complicated, all by being provided with an outer tube in interior pipe fit on, outer tube and interior pipe all need to be fixed together by sulfuration with primary elastomeric body, thus it is larger to cause lining to take up room, general external diameter will reach more than 80mm, need during entire vehicle design herein enough spaces guarantee arrange this size lower hydraulic bushing and without interference risk.
Summary of the invention
Embodiment of the present invention technical problem to be solved is, provide a kind of take up room little of the hydraulic bushing in automobile suspension system guiding device and automobile.
In order to solve the problems of the technologies described above, embodiments provide a kind of for the hydraulic bushing in automobile suspension system guiding device, comprising:
Interior pipe;
Be coated on the primary elastomeric body of described interior pipe outer rim;
To be arranged in the middle of described primary elastomeric body and at least one inner frame be fixed together with described primary elastomeric body;
Be arranged at first-class guidance tape and the second guidance tape of the external side of described primary elastomeric;
The second liquid chamber being formed at the first liquid chamber between described primary elastomeric body and described first-class guidance tape and being formed between described primary elastomeric body and described second guidance tape;
Be arranged at the fluid passage groove of also both conductings between described first liquid chamber and the second liquid chamber; And
The viscous liquid flowed in described first liquid chamber, the second liquid chamber and fluid passage groove.
Wherein, described first-class guidance tape and second guidance tape are towards one side all round and smooth intermediate projections shapes in both sides of described primary elastomeric body, and the part of the corresponding described first-class guidance tape of described primary elastomeric body and second guidance tape is all in the shape of caving in towards described interior pipe.
Wherein, the diapire of described first liquid chamber and the second liquid chamber is plane, and sidewall is continuous fluctuating smooth surface and forms multiple bend.
Wherein, described primary elastomeric body is formed with the first fitting recess and the second fitting recess at described interior tubular axis two ends upwards; Described hydraulic bushing also comprises the first rubber body and the second rubber body, described first rubber body is assemblied in after in described first fitting recess, and form the first stiffness equivalent chamber between described primary elastomeric body, described second rubber body is assemblied in after in described second fitting recess, and forms the second stiffness equivalent chamber between described primary elastomeric body.
Wherein, described hydraulic bushing also comprises metal baffle, and it is connected with one end of described first rubber body, and can close described first fitting recess; Described second rubber body is arranged in the plane of automobile control arm or with a metal baffle in one end of described first rubber body dorsad and is connected.
Wherein, at described primary elastomeric body axially, the volume in described first stiffness equivalent chamber is less than the volume in described second stiffness equivalent chamber; And described first rubber body and described second rubber body are with the central shaft perpendicular to described primary elastomeric body axis for symmetry axis symmetry, and the length that described first rubber body is added with described second rubber body is less than the half of described primary elastomeric body axial overall length.
Wherein, described primary elastomeric body is all formed with two boss in described first fitting recess and described second fitting recess, and described two boss are that yi word pattern is arranged along described interior pipe outer rim, and have equal radian; The span of described radian is between 30 degree to 60 degree.
Wherein, described primary elastomeric body is provided with at least one seal ring at described first liquid chamber and described second liquid chamber side.
Wherein, described fluid passage groove is of a size of 3 times of the groove depth size in described primary elastomeric body radial direction in described primary elastomeric body groove width axially.
The embodiment of the present invention also provides a kind of automobile, comprises described hydraulic bushing.
Implement the embodiment of the present invention, there is following beneficial effect:
Hydraulic bushing sealing liquid form is relatively simple, is different from existing hydraulic bushing, eliminates outer tube structure, be directly pressed in outside support the assembly connection completed with vehicle body by interference fit.And eliminate the larger outer tube structure of rigidity owing to adopting runner plate, therefore the volume of primary elastomeric body can be reduced diametrically, the requirement of whole hydraulic bushing for rigidity in radial direction can be reached, simultaneously due to the reduction of hydraulic bushing outside dimension, just be suitable for design space limited but require to possess the automotive suspension of hydraulic bushing premium properties, can accomplishing that diameter is no more than 60mm.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, the accompanying drawing obtaining other according to these accompanying drawings still belongs to category of the present invention.
Fig. 1 is the structural representation of axialmode hydraulic bushing;
Fig. 2 is the structural representation of radial mode hydraulic bushing;
The plan view for the hydraulic bushing in automobile suspension system guiding device that Fig. 3 provides for the embodiment of the present invention one;
The partial structurtes stereogram for the hydraulic bushing top in automobile suspension system guiding device that Fig. 4 provides for the embodiment of the present invention one;
Fig. 5 is that the A-A of Fig. 3 is to sectional view;
Fig. 6 is that the B-B of Fig. 3 is to sectional view.
Wherein: pipe, 2-primary elastomeric body, 3-inner frame, the first-class guidance tape of 41-, 42-second guidance tape, 51-first liquid chamber, 52-second liquid chamber, 6-fluid passage groove, 71-first fitting recess, 72-second fitting recess, 81-first rubber body, 82-second rubber body, 9-metal baffle, 10-seal ring, 13-boss in 1 ＇-Nei pipe, 11 ＇-outer tube, 12 ＇-nylon ring, 2 ＇-primary elastomeric body, 3 ＇-inner frame, 51 ＇-the first liquid chambers, 52 ＇-the second liquid chambers, 1-.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail.
The direction that the present invention mentions and position term, such as " on ", D score, "front", "rear", "left", "right", " interior ", " outward ", " top ", " bottom ", " side " etc., be only the direction with reference to accompanying drawing or position.Therefore, the direction of use and position term are in order to illustrate and to understand the present invention, but not limiting the scope of the invention.
Please refer to Fig. 1, inventor finds that the structural feature of axialmode hydraulic bushing is that cavity is designed with two liquid chamber 51 ＇, 52 ＇ vertically, when axially flowing between the first liquid chamber 51 ＇ and the second liquid chamber 52 ＇ along hydraulic bushing by liquid during axial force.Its working principle is: when hydraulic bushing is in axial direction subject to low frequency, large amplitude excitation, axially can provide larger damping, thus decay encourages due to the imbalance of road surface or wheel the dynamic force being delivered to vehicle body by suspension, reduces body vibrations.
Please refer to Fig. 2, inventor also finds that the structure of radial mode hydraulic bushing is just in time contrary with axialmode, cavity is that radially circumferencial direction is designed with two liquid chamber 51 ＇, 52 ＇ equally, when flowing between the first liquid chamber 51 ＇ and the second liquid chamber 52 ＇ along hydraulic bushing radial direction by liquid during radial force.Its working principle is: when hydraulic bushing is subject to low frequency, the large amplitude excitation of radial direction, can provide large damping vibration attenuation body vibrations in radial direction.
In order to can on the basis retaining hydraulic bushing large damping vibration attenuation body vibrations function, make the sealing liquid form of these two kinds of mainstay structures simpler, and structure takes up room little, inventor provide a kind of newly for the hydraulic bushing in automobile suspension system guiding device, as shown in Figures 3 to 6, in embodiments of the present invention, for the hydraulic bushing in automobile suspension system guiding device, comprising:
Interior pipe 1;
Be coated on the primary elastomeric body 2 of interior pipe 1 outer rim;
To be arranged in the middle of primary elastomeric body 2 and at least one inner frame 3 be fixed together with primary elastomeric body 2;
Be arranged at the first-class guidance tape 41 outside primary elastomeric body 2 and second guidance tape 42;
The second liquid chamber 52 being formed at the first liquid chamber 51 between primary elastomeric body 2 and first-class guidance tape 41 and being formed between primary elastomeric body 2 and second guidance tape 42;
Be arranged at the fluid passage groove 6 of also both conductings between the first liquid chamber 51 and the second liquid chamber 52; And
The viscous liquid of flowing in the first liquid chamber 51, second liquid chamber 52 and fluid passage groove 6.
Further, first-class guidance tape 41 and second guidance tape 42 are towards the structure of one side all in intermediate projections of primary elastomeric body 2, the part of the corresponding first-class guidance tape 41 of primary elastomeric body 2 and second guidance tape 42 is all in the shape of caving in towards interior pipe 1, the first liquid chamber 51 that first-class guidance tape 41 and second guidance tape 42 are formed with primary elastomeric body 2 respectively and the second liquid chamber 52 are all formed with multiple bend, wherein, the diapire of the first liquid chamber 51 and the second liquid chamber 52 is plane, sidewall is continuous fluctuating smooth surface and forms multiple bend, thus the flow path of the liquid increased in two liquid chambers, increase the damping of hydraulic bushing.
Further, primary elastomeric body 2 forms the first fitting recess 71 and the second fitting recess 72 respectively at interior pipe 1 two ends axially, wherein the first fitting recess 71 is positioned at the top of primary elastomeric body 2, there is the first assembling inclined-plane, second fitting recess 72 is positioned at the bottom of primary elastomeric body 2, similarly, there is the second assembling inclined-plane.
Hydraulic bushing also comprises the first rubber body 81 and the second rubber body 82.When the first rubber body 81 and the first fitting recess 71 assemble, the first rubber body 81 can slip in the first fitting recess 71 along the first assembling inclined-plane; When the first rubber body 81 needs to dismantle from the first fitting recess 71, the first rubber body 81 can skid off along the first assembling inclined-plane.Due to the setting on the first assembling inclined-plane, the first rubber body 81 and the first fitting recess 71 are assembled up lighter, convenient.First rubber body 81 is assemblied in after in the first fitting recess 71, assembles inclined-plane and fits tightly, form the first stiffness equivalent chamber between the first rubber body 81 and primary elastomeric body 2 with first.
When the second rubber body 82 and the second fitting recess 72 assemble, the second rubber body 82 can slip in the second fitting recess 72 along the second assembling inclined-plane; When the second rubber body 82 needs to dismantle from the second fitting recess 72, the second rubber body 82 can skid off along the second assembling inclined-plane.Because also there is the assembling facilitating the second rubber body 82 and the second fitting recess 72 on the second assembling inclined-plane.Second rubber body 82 is assemblied in after in the second fitting recess 72, assembles inclined-plane and fits tightly, form the second stiffness equivalent chamber between the second rubber body 82 and primary elastomeric body 2 with second.
Above-mentioned first stiffness equivalent chamber and the second stiffness equivalent chamber are all filled with air.Therefore, by arranging the size of primary elastomeric body 2, first rubber body 81, second rubber body 82, first stiffness equivalent chamber, the second stiffness equivalent chamber and inner frame 3, can freely design the shape of whole support rubber in hydraulic bushing to adjust the ratio of rigidity of hydraulic bushing at three directions (axially, radial and torsional direction).
Further, one end of first rubber body 81 is connected with metal baffle 9, the first fitting recess 91 can be closed, because rubber modulus is less than metal, larger resiliently deformable can be produced after first rubber body 81 is stressed, therefore metal baffle 9 both played axial limiting effect to hydraulic bushing, and support loading makes hydraulic bushing uniform force again.
Same, second rubber body 82 can as the first rubber body 81, one end of its first rubber body 81 dorsad can connect a metal baffle (role is the same with the metal baffle 9 that the first rubber body 81 connects), also can be directly installed in the plane of automobile control arm, the effect of control arm plane is just equivalent to the effect of baffle plate in such cases, exerts all one's strength and is evenly distributed in plane that control arm contacts with hydraulic bushing.
Further, at primary elastomeric body 2 axially, the volume in the first stiffness equivalent chamber is less than the volume in the second stiffness equivalent chamber, can realize adjustment hydraulic bushing rigidity in the axial direction; At primary elastomeric body 2 axially, first rubber body 81 and the second rubber body 82 with perpendicular to primary elastomeric body 2 axis central shaft for symmetry axis symmetrical, and the length that the first rubber body 81 is added with the second rubber body 82 is less than the half of primary elastomeric body 2 axial overall length, adjustment hydraulic bushing rigidity in the axial direction can be realized too.In like manner, also adjustment hydraulic bushing rigidity diametrically can be realized by similarity method.
Please simultaneously shown in composition graphs 3 and Fig. 4, further, primary elastomeric body 2 is respectively formed with pair of projections 13 in the first fitting recess 71 and the second fitting recess 72, every pair of projections 13 is arranged along interior pipe 1 outer rim, the two centerline collineation diametrically, and there is equal radian a, to change torsional direction rigidity to adjust the rigidity of hydraulic bushing at torsional direction.Wherein, the span of radian is between 30 degree to 60 degree.Direction is analysed and observe and B-B analyses and observe direction incorporated by reference to the A-A shown in Fig. 3, the height of the primary elastomeric body 2 in Fig. 4 in above-mentioned both direction is different, and therefore the first rubber body 81 and the second rubber body 82 can be subject to the restriction of the boss 13 on primary elastomeric body 2 at torsional direction.Figure 3 shows that example, radian b corresponds to the first fitting recess 71 for assembling the first rubber body 81, and the ratio of radian a and radian b is between 30:150 to 60:120.In the present embodiment, radian a is 45:135 with the ratio of radian b.
Further, primary elastomeric body 2 is provided with at least one seal ring 10 at the first liquid chamber 51 and the second liquid chamber 52 side and ensures sealing liquid effect further.
Further, fluid passage groove 6 is of a size of 3 times of the groove depth size in primary elastomeric body 2 radial direction in primary elastomeric body 2 groove width axially.
Further, primary elastomeric body 2 and inner frame 3 are fixed together by sulfuration process.
The working principle of hydraulic bushing of the present invention is: adopt in rubber bushing and enclose viscosity or high viscosity liquid, fluid is utilized to increase the damping of lining by the damping produced during runner, large time delay angle (>=20 °) is provided, make lining have the low and high attenuation performance of dynamic elasticity rigidity, can ensure that car load has good control stability and smoothness.When hydraulic bushing is subject to P to (as shown in Figure 5) during load, viscous liquid (as ethylene glycol etc.) is by fluid passage groove 6 constantly flowing generation damping back and forth between the first liquid chamber 51 and the second liquid chamber 52, damping coefficient is increased, when needs strengthen this effect, the liquid of more high viscosity can be enclosed.
Corresponding to the embodiment of the present invention one for the hydraulic bushing in automobile suspension system guiding device, the embodiment of the present invention two provides a kind of automobile, have the hydraulic bushing described in the embodiment of the present invention one, the formation of this hydraulic bushing and annexation etc. repeat no more herein.
Implement the embodiment of the present invention, there is following beneficial effect:
Hydraulic bushing sealing liquid form is relatively simple, is different from existing hydraulic bushing, eliminates outer tube structure, be directly pressed in outside support the assembly connection completed with vehicle body by interference fit.And eliminate the larger outer tube structure of rigidity owing to adopting runner plate, therefore the volume of primary elastomeric body can be reduced diametrically, the requirement of whole hydraulic bushing for rigidity in radial direction can be reached, simultaneously due to the reduction of hydraulic bushing outside dimension, just be suitable for design space limited but require to possess the automotive suspension of hydraulic bushing premium properties, can accomplishing that diameter is no more than 60mm.
Above disclosedly be only a kind of preferred embodiment of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (10)
1. for the hydraulic bushing in automobile suspension system guiding device, it is characterized in that, comprising:
Interior pipe (1);
Be coated on the primary elastomeric body (2) of described interior pipe (1) outer rim;
To be arranged in the middle of described primary elastomeric body (2) and at least one inner frame (3) be fixed together with described primary elastomeric body (2);
Be arranged at first-class guidance tape (41) and the second guidance tape (42) in described primary elastomeric body (2) outside;
Be formed at the first liquid chamber (51) between described primary elastomeric body (2) and described first-class guidance tape (41), and be formed at the second liquid chamber (52) between described primary elastomeric body (2) and described second guidance tape (42);
Be arranged at the fluid passage groove (6) of also both conductings between described first liquid chamber (51) and the second liquid chamber (52); And
Viscous liquid is filled with in described first liquid chamber (51), the second liquid chamber (52) and fluid passage groove (6).
2. hydraulic bushing as claimed in claim 1, it is characterized in that, described first-class guidance tape (41) and second guidance tape (42) are towards the one side of described primary elastomeric body (2) all in intermediate projections shape, and the part of the corresponding described first-class guidance tape (41) of described primary elastomeric body (2) and second guidance tape (42) is all in the shape of caving in towards described interior pipe (1).
3. hydraulic bushing as claimed in claim 2, it is characterized in that, the diapire of described first liquid chamber (51) and the second liquid chamber (52) is plane, and sidewall is continuous fluctuating smooth surface and forms multiple bend.
4. hydraulic bushing as claimed in claim 1, it is characterized in that, described primary elastomeric body (2) is formed with the first fitting recess (71) and the second fitting recess (72) at described interior pipe (1) two ends axially; Described hydraulic bushing also comprises the first rubber body (81) and the second rubber body (82), described first rubber body (81) is assemblied in after in described first fitting recess (71), and form the first stiffness equivalent chamber between described primary elastomeric body (2), described second rubber body (82) is assemblied in after in described second fitting recess (72), and forms the second stiffness equivalent chamber between described primary elastomeric body (2).
5. hydraulic bushing as claimed in claim 4, it is characterized in that, described hydraulic bushing also comprises metal baffle (9), and it is connected with one end of described first rubber body (81), and closes described first fitting recess (71); Be connected in the plane that one end of described second rubber body (82) described first rubber body (81) is dorsad arranged on automobile control arm or with a metal baffle.
6. hydraulic bushing as claimed in claim 4, it is characterized in that, described primary elastomeric body (2) axially, the volume in described first stiffness equivalent chamber is less than the volume in described second stiffness equivalent chamber; And described first rubber body (81) and described second rubber body (82) are that symmetry axis is symmetrical with the central shaft axial perpendicular to described primary elastomeric body (2), and the length that described first rubber body (81) is added with described second rubber body (82) is less than the half of described primary elastomeric body (2) axial overall length.
7. hydraulic bushing as claimed in claim 4, it is characterized in that, described primary elastomeric body (2) is all formed with two boss (13) in described first fitting recess (71) and described second fitting recess (72), described two boss (13) are that yi word pattern is arranged along described interior pipe (1) outer rim, and there is equal radian, the span of described radian is between 30 degree to 60 degree.
8. hydraulic bushing as claimed in claim 1, it is characterized in that, described primary elastomeric body (2) is provided with at least one seal ring (10) described first liquid chamber (51) and described second liquid chamber (52) side.
9. hydraulic bushing as claimed in claim 1, it is characterized in that, described fluid passage groove (6) is of a size of 3 times of the groove depth size in described primary elastomeric body (2) radial direction in described primary elastomeric body (2) groove width axially.
10. an automobile, is characterized in that, comprises the hydraulic bushing as described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410094113.2A CN104912995B (en) | 2014-03-14 | 2014-03-14 | Hydraulic bushing in vehicle suspension system guide device and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410094113.2A CN104912995B (en) | 2014-03-14 | 2014-03-14 | Hydraulic bushing in vehicle suspension system guide device and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104912995A true CN104912995A (en) | 2015-09-16 |
| CN104912995B CN104912995B (en) | 2017-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410094113.2A Active CN104912995B (en) | 2014-03-14 | 2014-03-14 | Hydraulic bushing in vehicle suspension system guide device and vehicle |
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| CN108150592A (en) * | 2016-12-02 | 2018-06-12 | 株洲时代新材料科技股份有限公司 | A kind of hydraulic bushing |
| CN110185735A (en) * | 2019-05-17 | 2019-08-30 | 株洲时代新材料科技股份有限公司 | A kind of liquid composite bush |
| CN110345193A (en) * | 2019-08-30 | 2019-10-18 | 株洲时代新材料科技股份有限公司 | A kind of forming method and node with outer groove runner liquid rubber composite node |
| US10563722B2 (en) | 2016-12-02 | 2020-02-18 | Zhuzhou Times New Material Technology Co., Ltd. | Hydraulic bushing |
| CN110978933A (en) * | 2019-12-10 | 2020-04-10 | 阿尔特汽车技术股份有限公司 | Rear torsion beam assembly of hydraulic bushing |
| CN112537178A (en) * | 2020-12-23 | 2021-03-23 | 上汽通用汽车有限公司 | Automotive suspension bush and automobile |
| CN113669398A (en) * | 2020-05-15 | 2021-11-19 | 安徽美芝制冷设备有限公司 | Foot pad assembly, compressor and refrigerator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110345193A (en) * | 2019-08-30 | 2019-10-18 | 株洲时代新材料科技股份有限公司 | A kind of forming method and node with outer groove runner liquid rubber composite node |
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| CN113669398A (en) * | 2020-05-15 | 2021-11-19 | 安徽美芝制冷设备有限公司 | Foot pad assembly, compressor and refrigerator |
| CN112537178A (en) * | 2020-12-23 | 2021-03-23 | 上汽通用汽车有限公司 | Automotive suspension bush and automobile |
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| CN104912995B (en) | 2017-04-19 |
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