CN103388641B - Automobile absorber composite bush and vibration damper - Google Patents
Automobile absorber composite bush and vibration damper Download PDFInfo
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- CN103388641B CN103388641B CN201310339655.7A CN201310339655A CN103388641B CN 103388641 B CN103388641 B CN 103388641B CN 201310339655 A CN201310339655 A CN 201310339655A CN 103388641 B CN103388641 B CN 103388641B
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- inner sleeve
- rubber matrix
- composite bush
- automobile absorber
- vibration damper
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Abstract
The present invention relates to a kind of automobile absorber composite bush and vibration damper, include the body, inner sleeve and the rubber matrix that are connected with shock absorber body; Rubber matrix is fixed on the outer surface of inner sleeve, and the inwall of inner sleeve is fixed with plastic bushing; The outer surface of described rubber matrix is at least provided with an annular protrusion, and the inwall of body is provided with the annular groove coordinating with annular protrusion and install; What the end face of described rubber layer was provided with at least two axis runs through through hole.
Description
Technical field
The invention belongs to the vibration damper field in automobile component, refer to a kind of automobile absorber composite bush especially and use the vibration damper of this lining.
Background technique
In vehicle traveling process, particularly suspension system is subject to the impacts such as road surface and produces vibration, in order to overcome the vibrations in running process, improves comfort property, widely uses vibration damper in suspension system in existing automobile.The vibration damper of existing automotive field is with hydraulic damper, when its working principle is vibrated generation relative movement when between vehicle body and vehicle bridge, piston in vibration damper is by moving up and down, damping oil in vibration damper chamber just repeatedly flow in another chamber from a chamber through hole, now, by the friction between hole wall and fluid and fluid intermolecular friction, damping force is formed to vibration, thus realize damping object.
Rubber bushing is as the secondary shock-absorbing measure connecting vibration damper and suspension system, and in flexible connected between automobile assembly and between leverage, rubber bushing is extensively used.The existing rubber bushing adopted can be divided into three kinds of structures substantially.One is gum lining, and two is bonded metal inner tube type rubber bushings, and three is the rubber bushings having metal inner/outer tube.Above three kinds of rubber bushings are all utilize rubber layer to alleviate to impact, but the phenomenons such as rubber layer is easy to aging in Long-Time Service process, wearing and tearing.And such lining all adopts interference fit to install, when press-fiting, piling up, press-fiting the phenomenons such as not in place or rubber layer stripping easily appears in rubber layer.Lining is in use easy to occur that sideslip, inclination, eccentric wear or damping performance are poor, occurs relatively rotating problem even between interference fit parts.
Chinese patent Authorization Notice No.: CN100510457C proposes rubber-plastic composite bush technological scheme, its main technical schemes is, rubber body is fixed on the outer cylinder surface of steel bushing, plastic bushing is fixed with in the endoporus of steel bushing, outer cylinder surface in the middle part of rubber body is at least provided with a ring annular groove, in the endoporus of plastic bushing, is provided with oil-return groove.Being provided with of the technical program rubber bushing is beneficial to elastic conjunction, also the problems such as the lining sideslip when press-fiting, inclination and eccentric wear can be avoided, also can automobile strenuous vibration or load larger time cause integrally-built destruction because being out of shape excessive, and oil-return groove design can lubricate, reduce friction, increases the service life.
But in this technique scheme, because the groove type design of rubber layer also interference is installed, in groove, be filled with a certain amount of gas, when having overlaid or shaking violent, gas can impact rubber layer, destroys the intensity of rubber layer and damages the overall structure of lining.And under case of heavy load, rubber layer is likely peeled off with steel bushing, and plastic bushing also exists and steel bushing problem in relative rotation.
Summary of the invention
In order to overcome the strength problem adopting the gas be provided with in groove at rubber layer can have influence on lining, rubber layer and steel bushing are peeled off problem and plastic bushing and steel bushing and are relatively rotated problem, propose a kind of automobile absorber composite bush and automobile absorber technological scheme.
The present invention is achieved by the following technical solutions:
Automobile absorber composite bush, includes the body, inner sleeve and the rubber matrix that are connected with shock absorber body; Rubber matrix is fixed on the outer surface of inner sleeve, and the inwall of inner sleeve is fixed with plastic bushing; The outer surface of described rubber matrix is at least provided with an annular protrusion, and the inwall of body is provided with the annular groove coordinating with annular protrusion and install; What the end face of described rubber layer was provided with at least two axis runs through through hole.
Axially groove is provided with in the annular groove of described body.
The outer surface of described inner sleeve is provided with independently projection or reticular structure.
The described through hole that runs through for being symmetrical arranged, wherein the center of a pair through hole be arranged at respectively shock absorber body axis extend to after lining through rubber matrix part line segment mid point on.
The axial length of described plastic bushing is less than the axial length of inner sleeve, is provided with seal ring in the two ends inner sleeve of plastic bushing.
Described plastic bushing inwall is provided with oil-return groove.
Be provided with the vibration damper of described automobile absorber composite bush.
The present invention's beneficial effect is compared with the existing technology:
1, by running through the design of through hole, when be given a shock or heavy load time, run through through hole have certain deformation with buffering to integrally-built pressure.
2, by the groove design in body, moving axially and having simplified installation procedure of rubber layer is effectively prevented.
3, by the independently projection of lining the outer surface of or reticular structure, in the sulfidation of carrying out inner sleeve and rubber layer, make the combination between inner sleeve and rubber layer more firm, there will not be the stripping problem of inner sleeve and rubber layer, effectively avoid the problem of relatively rotating.
Accompanying drawing explanation
Fig. 1 is the composite bush structural representation with vibration damper of the present invention;
Fig. 2 is the shaft section schematic diagram of composite bush of the present invention.
Embodiment
Describe technological scheme of the present invention in detail below by way of specific embodiment, should be appreciated that following embodiment is only exemplary, only can be used for explaining and technological scheme of the present invention being described, and can not be interpreted as being the restriction to technical solution of the present invention.
As depicted in figs. 1 and 2, automobile absorber composite bush 10, includes the body 3, inner sleeve 1 and the rubber matrix 2 that are connected with vibration damper 6 body; Rubber matrix 2 is fixed on the outer surface of inner sleeve 1, and the outer surface of inner sleeve 1 is provided with independently projection or reticular structure (not shown), and independently projection is in the present embodiment perpendicular to the cylindrical of lining the outer surface of or polygonal pyramid shape structure; Reticular structure is mutually intersect by many protruding muscle the structure formed, and rubber matrix sulfuration is fixed to the outer surface of inner sleeve.
The inwall of inner sleeve 1 is fixed with plastic bushing 9; The outer surface of described rubber matrix 2 is at least provided with an annular protrusion 4, the inwall of body 3 is provided with and coordinates with annular protrusion the annular groove installed; Axially groove 5 is provided with in the annular groove of body 3; The axis that the shape of groove 5 can be parallel to body for the center line of groove also can be the center line of groove is not straight line; The radial cross-section of groove can be square, trapezoidal, triangle or arc.
What the end face of described rubber matrix 2 was provided with at least two axis runs through through hole (71,72).Run through through hole for being symmetrical arranged, wherein the center of a pair through hole be arranged at respectively shock absorber body axis extend to after lining through rubber matrix part line segment mid point on; In the inventive solutions, the shape of through hole differ be decided to be circle also may for arc.
Sulfuration fix after inner sleeve be pressed in body with certain magnitude of interference, rubber-based is wherein known from experience and is pressed in groove.
The axial length of plastic bushing 9 is less than the axial length of inner sleeve 1, is provided with seal ring 8 in the two ends inner sleeve of plastic bushing 9.Plastic bushing adopts oil-containing nylon or polyformaldehyde material and other wear-resistant macromolecule material.Plastic bushing is with the inwall of certain magnitude of interference press-in inner sleeve.Seal ring with elastic material and metal frame through bonding or crimp and form.
Plastic bushing inwall is provided with oil-return groove, and the shape of oil-return groove can carry out any adjustment or improvement as required.
The composite bush 10 obtained through above technological scheme is arranged on automobile absorber 6.
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalency thereof.
Claims (4)
1. automobile absorber composite bush, is characterized in that: include the body, inner sleeve and the rubber matrix that are connected with shock absorber body; Rubber matrix is fixed on the outer surface of inner sleeve, and the inwall of inner sleeve is fixed with plastic bushing; The outer surface of described rubber matrix is at least provided with an annular protrusion, and the inwall of body is provided with the annular groove coordinating with annular protrusion and install; What the end face of rubber matrix layer was provided with at least two axis runs through through hole;
The described through hole that runs through for being symmetrical arranged, wherein the center of a pair through hole be arranged at respectively shock absorber body axis extend to after lining through rubber matrix part line segment mid point on;
Axially groove is provided with in the annular groove of described body;
The outer surface of described inner sleeve is provided with independently projection or reticular structure; Independently projection is perpendicular to the cylindrical of lining the outer surface of or polygonal pyramid shape structure; Reticular structure is mutually intersect by many protruding muscle the structure formed.
2. automobile absorber composite bush according to claim 1, is characterized in that: the axial length of described plastic bushing is less than the axial length of inner sleeve, is provided with seal ring in the two ends inner sleeve of plastic bushing.
3. automobile absorber composite bush according to claim 1, is characterized in that: described plastic bushing inwall is provided with oil-return groove.
4. a vibration damper, is characterized in that: include the automobile absorber composite bush as described in claim 1-3, and described automobile absorber composite bush is arranged on vibration damper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310339655.7A CN103388641B (en) | 2013-08-06 | 2013-08-06 | Automobile absorber composite bush and vibration damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310339655.7A CN103388641B (en) | 2013-08-06 | 2013-08-06 | Automobile absorber composite bush and vibration damper |
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| Publication Number | Publication Date |
|---|---|
| CN103388641A CN103388641A (en) | 2013-11-13 |
| CN103388641B true CN103388641B (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310339655.7A Active CN103388641B (en) | 2013-08-06 | 2013-08-06 | Automobile absorber composite bush and vibration damper |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398121B (en) * | 2013-08-06 | 2015-09-16 | 宁波金城减震器有限公司 | A kind of automobile absorber lining and vibration damper |
| CN103680930A (en) * | 2013-12-21 | 2014-03-26 | 铜陵源丰电子有限责任公司 | Large-sized vibration-preventing low-voltage capacitor |
| US11174895B2 (en) * | 2019-04-30 | 2021-11-16 | General Electric Company | Bearing for a wind turbine drivetrain having an elastomer support |
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| CN101178106A (en) * | 2007-12-04 | 2008-05-14 | 东风汽车有限公司 | Rubber-plastic composite bushing |
| CN101520075A (en) * | 2009-03-31 | 2009-09-02 | 赵丰 | Spring bushing assembly for automobile front steel plates, and production process thereof |
| CN201521586U (en) * | 2009-05-21 | 2010-07-07 | 隆昌山川精密焊管有限责任公司 | Hanging ring assembly for shock absorber |
| CN202274034U (en) * | 2011-09-21 | 2012-06-13 | 浙江吉利汽车研究院有限公司 | Automobile vibration damper |
| CN202368281U (en) * | 2011-11-25 | 2012-08-08 | 重庆卡福汽车制动转向***有限公司 | Connecting device for traction bar assembly of lorry |
| CN202896706U (en) * | 2012-11-12 | 2013-04-24 | 襄阳群龙汽车部件股份有限公司 | Automobile cab front suspension damping mechanism |
| CN103398121A (en) * | 2013-08-06 | 2013-11-20 | 宁波金城减震器有限公司 | Automobile shock absorber bushing and shock absorber |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100245215B1 (en) * | 1996-12-06 | 2000-03-02 | 정몽규 | Suspension bush device |
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- 2013-08-06 CN CN201310339655.7A patent/CN103388641B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101178106A (en) * | 2007-12-04 | 2008-05-14 | 东风汽车有限公司 | Rubber-plastic composite bushing |
| CN101520075A (en) * | 2009-03-31 | 2009-09-02 | 赵丰 | Spring bushing assembly for automobile front steel plates, and production process thereof |
| CN201521586U (en) * | 2009-05-21 | 2010-07-07 | 隆昌山川精密焊管有限责任公司 | Hanging ring assembly for shock absorber |
| CN202274034U (en) * | 2011-09-21 | 2012-06-13 | 浙江吉利汽车研究院有限公司 | Automobile vibration damper |
| CN202368281U (en) * | 2011-11-25 | 2012-08-08 | 重庆卡福汽车制动转向***有限公司 | Connecting device for traction bar assembly of lorry |
| CN202896706U (en) * | 2012-11-12 | 2013-04-24 | 襄阳群龙汽车部件股份有限公司 | Automobile cab front suspension damping mechanism |
| CN103398121A (en) * | 2013-08-06 | 2013-11-20 | 宁波金城减震器有限公司 | Automobile shock absorber bushing and shock absorber |
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| CN103388641A (en) | 2013-11-13 |
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