CN103818207A - Control arm bushing assembly - Google Patents
Control arm bushing assembly Download PDFInfo
- Publication number
- CN103818207A CN103818207A CN201410073332.2A CN201410073332A CN103818207A CN 103818207 A CN103818207 A CN 103818207A CN 201410073332 A CN201410073332 A CN 201410073332A CN 103818207 A CN103818207 A CN 103818207A
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- Prior art keywords
- lining
- plastic bushing
- control arm
- inner pipe
- metal inner
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Abstract
The invention relates to a control arm bushing assembly, which comprises a bushing, two short plastic bushings, a long plastic bushing and a washer, wherein the bushing consists of a metal inner pipe, a metal outer pipe and rubber, the rubber is vulcanized between the metal inner pipe and the metal outer pipe, the two sides of the metal inner pipe are respectively provided with a flange facing the metal outer pipe, the rubber between the flanges of the metal inner pipe and the metal outer pipe forms a rubber lip structure, the two short plastic bushings are relatively pressed on the inner wall of the metal inner pipe, the long plastic bushing is assembled at the inner surfaces of the short plastic bushings, the inner surfaces of the short plastic bushings and the long plastic bushing are coated with lubricating grease, and one end of the bushing is covered with the washer.
Description
Technical field
The invention belongs to lining field, specifically refer to a kind of lining for automobile suspension system Control arm, refer to especially a kind of Control arm bush assembly.
Background technology
Control arm has another name called " swing arm ", as guiding and the force transfer element of automobile suspension system, guarantee that by passing to vehicle body in various on wheel wheel moves by certain track simultaneously.Automobile swing arm is the linking together wheel and flexible chassis by ball pin or lining respectively.Control arm lining is assemblied on automobile control arm, belongs to a part for suspension system, uses position classification according to Control arm, is divided into front Control arm lining, rear Control arm lining; To distributive sorting, be divided into bushing, upper control arm, Lower control arm lining, transverse arm lining, trailing arm lining etc. according to Control arm user.It can improve the vibration isolating effect of suspension system high band greatly, reduces the internal car noise that road roughness causes, also has the effect of spring and suspension swing arm bearing concurrently.
Along with the handling and traveling comfort design of automobile, the characteristic of automobile suspension system is increasing on the impact of automobile characteristic.Cause the vibration of vehicle body for actv. control encourages (low frequency, large amplitude excitation) from the overbalance of road surface or wheel, in the time of design, need Control arm lining to there is larger radial rigidity and axial stiffness, less torsional stiffness.
Existing relatively general control arm bush is generally by metal inner pipe 10 and metal outer pipe 12, and rubber 14 between the two forms, and three is sulfided into one, as shown in Figure 1.Lining is pressed into Control arm body, by interference fit, outer tube and Control arm body is integrally combined.
This kind of bush torsional rigidity is larger, affects traveling comfort.Under large windup-degree, produce larger twist moment simultaneously, the higher shearing force of the inner generation of rubber, the lining life-span significantly reduces.
Summary of the invention
The object of this invention is to provide a kind of Control arm bush assembly, when thering is the lining of assurance radial rigidity, significantly reduce torsion bar rigidity.
The present invention is achieved by the following technical solutions:
A kind of Control arm bush assembly, includes lining, two short plastic bushings, a long plastic bushing and a pad;
Described lining is made up of metal inner pipe, metal outer pipe and the rubber that vulcanizes between two pipes; The both sides of described metal inner pipe are provided with to the flange of metal outer pipe direction; Rubber between flange place and the metal outer pipe of described metal inner pipe forms rubber lip structure;
Described two short plastic bushings are L-type structure; Described two short plastic bushings press-fit relatively on the inwall of metal inner pipe;
Described long plastic bushing is assemblied in the inside face of short plastic bushing;
The inside face of described short plastic bushing and long plastic bushing scribble grease;
Pad is stamped in one end at lining.
The long limit relative length of the L shaped structure of described two short plastic bushings matches with the metal inner pipe length of lining, and the minor face of L shaped structure is connected between metal inner pipe and rubber lip.
Described long plastic bushing is tube-shaped structure, its one end outward flanging, and extend to form respectively that external diameter is identical but that internal diameter is different is columnar structured in the outer end of flange along alignment both direction in plastic bushing, be wherein less than to the internal diameter of plastic bushing direction extendible portion to the part internal diameter extending away from plastic bushing direction;
Coordinate with the end of tween drive shaft to the part of extending away from plastic bushing direction;
Coordinate with lining lip to plastic bushing direction extendible portion and form sealing.
The flange length difference of described bush metal inner tube; Described long plastic bushing is fitted in lining from the short one end of flange; In the turnup structure of the long plastics other end, coordinate with the metal outer pipe of lining to plastic bushing direction extendible portion and coordinate with lining lip to form to seal.
In the metal outer pipe of described lining, one end is provided with turnup structure, and described turnup structure is arranged at the large one end of metal inner pipe flange length, and described pad is arranged at this end.
The centre of described metal outer pipe is provided with the circle structure that concaves.
The outward flange of described pad is turnup structure, makes pad become bottle-cover-shape, coordinates form sealing with lining lip.
The invention has the beneficial effects as follows:
Effectively reduce the torsional stiffness of controlling bush Assembly, effectively reduce and control the shearing stress producing when bush Assembly reverses.Significantly improve the life-span of controlling bush Assembly.
This Control arm bush assembly can be issued to larger radial rigidity and axial stiffness in less torsional stiffness prerequisite, and actv. improves car load handling.Simultaneously because torsional stiffness is less, effectively reduce lining rigidity on suspension rate because of the tire impact producing of beating.
Accompanying drawing explanation
Fig. 1 is existing general control arm bush structural representation;
Fig. 2 is Control arm bush assembly assembling schematic diagram of the present invention;
Fig. 3 is bush structure schematic diagram in the present invention;
Fig. 4 is the short plastic bushing shaft section of the present invention schematic diagram;
Fig. 5 is the long plastic bushing shaft section of the present invention schematic diagram;
Fig. 6 is pad shaft section schematic diagram of the present invention.
The specific embodiment
Describe by the following examples technical scheme of the present invention in detail, following embodiment is only exemplary, only can be used for explaining and technical scheme of the present invention being described, and can not to be used for being interpreted as is the restriction to technical solution of the present invention.
As shown in Figures 2 and 3, a kind of Control arm bush assembly, includes the short plastic bushing of lining 16, two 24, long plastic bushing 26 and a pad 18;
Described lining 16 is made up of metal inner pipe, metal outer pipe and the rubber that vulcanizes between two pipes; The both sides of described metal inner pipe are provided with to the flange of metal outer pipe direction; Rubber between flange place and the metal outer pipe of described metal inner pipe forms rubber lip structure;
Described two short plastic bushings 24 are L-type structure; Described two short plastic bushings press-fit relatively on the inwall of metal inner pipe;
Described long plastic bushing is assemblied in the inside face of short plastic bushing;
The inside face of described short plastic bushing and long plastic bushing scribble grease;
Pad is stamped in one end at lining.
Concrete assembling mode is, first 16 and 2 short plastic bushings of plain bushing press-fited integrally 24, smears grease, then from the long plastic bushing 26 of plain bushing path degree end assembling, cover pad assembly 18 at another section in short plastic bushing inner side and long plastic bushing.Then by tween drive shaft 28, nut 20 carries out fastening.Then the assembly integral of Control arm bush assembly, tween drive shaft and nut composition is pressed into Control arm body 22.Miner diameter end herein refers to that the metal inner pipe two ends of lining are provided with turnup structure, but the length difference of flange, and wherein, one end that flange length is little is miner diameter end.
In described assembly, plain bushing 16 is as Fig. 3, and by metal inner pipe 30 and metal outer pipe 34, by body rubber, 32 threes are sulfided into one.Metal inner pipe 30 both sides features have outward flanging 40, increase axial stiffness.Metal outer pipe 34, interlude diameter reduces 42, increases axial stiffness; In the metal outer pipe of lining, one end is provided with turnup structure, and described turnup structure is arranged at the large one end of metal inner pipe flange length, and described pad is arranged at this end.The left end that is metal outer pipe has outward flanging 36, increases bush Assembly and is pressed into Control arm body rear axle withdrawal force to the right.Rubber 32 two ends have multilayer lip 38, and lip contacts with pad 18, long plastic bushing 26 in the time that Control arm bush assembly assembles, and seals up grease.
As shown in Figure 4, in the present embodiment, two short plastic bushings 24 are L shaped structure, are convenient to coordinate with lining 16 inner sleeves.But the long limit of the L-type of two short plastic bushings can be not identical, but two bond length of L-type are identical.The long limit relative length of the L shaped structure of two short plastic bushings matches with the metal inner pipe length of lining, and the minor face 44 of L shaped structure is connected between metal inner pipe and rubber lip.
As shown in Figure 5, long plastic bushing 26 is tube-shaped structure, its one end outward flanging 46, and extend to form respectively that external diameter is identical but that internal diameter is different is columnar structured in the outer end of flange along alignment both direction in plastic bushing, be wherein less than to the internal diameter of plastic bushing direction extendible portion 461 to part 462 internal diameters that extend away from plastic bushing direction;
Coordinate with the end of tween drive shaft to the part 462 of extending away from plastic bushing direction;
Coordinate with lining lip to plastic bushing direction extendible portion 461 and form sealing.
As shown in Figure 2, the flange length difference of bush metal inner tube; Described long plastic bushing is fitted in lining from the short one end of flange; In the turnup structure of the long plastics other end, coordinate with the metal outer pipe of lining to plastic bushing direction extendible portion and coordinate with lining lip to form to seal.
As shown in Figure 6, assembly Intermediate gasket 18, includes shim body 48, and pad is in the time that Control arm bush assembly assembles and nut 20, and tween drive shaft 28 coordinates.On pad fitting surface, must not there is plastics overlap.Pad has turnup structure 50, makes pad become bottle-cover-shape, coordinates form sealing in the time that Control arm bush assembly assembles with plain bushing lip 38.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is by claims and be equal to and limit.
Claims (7)
1. a Control arm bush assembly, is characterized in that: include lining, two short plastic bushings, a long plastic bushing and a pad;
Described lining is made up of metal inner pipe, metal outer pipe and the rubber that vulcanizes between two pipes; The both sides of described metal inner pipe are provided with to the flange of metal outer pipe direction; Rubber between flange place and the metal outer pipe of described metal inner pipe forms rubber lip structure;
Described two short plastic bushings are L-type structure; Described two short plastic bushings press-fit relatively on the inwall of metal inner pipe;
Described long plastic bushing is assemblied in the inside face of short plastic bushing;
The inside face of described short plastic bushing and long plastic bushing scribble grease;
Pad is stamped in one end at lining.
2. Control arm bush assembly according to claim 1, is characterized in that: the long limit relative length of the L shaped structure of described two short plastic bushings matches with the metal inner pipe length of lining, and the minor face of L shaped structure is connected between metal inner pipe and rubber lip.
3. Control arm bush assembly according to claim 1, it is characterized in that: described long plastic bushing is tube-shaped structure, its one end outward flanging, and extend to form respectively that external diameter is identical but that internal diameter is different is columnar structured in the outer end of flange along alignment both direction in plastic bushing, be wherein less than to the internal diameter of plastic bushing direction extendible portion to the part internal diameter extending away from plastic bushing direction;
Coordinate with the end of tween drive shaft to the part of extending away from plastic bushing direction;
Coordinate with lining lip to plastic bushing direction extendible portion and form sealing.
4. Control arm bush assembly according to claim 1, is characterized in that: the flange length difference of described bush metal inner tube; Described long plastic bushing is fitted in lining from the short one end of flange; In the turnup structure of the long plastics other end, coordinate with the metal outer pipe of lining to plastic bushing direction extendible portion and coordinate with lining lip to form to seal.
5. Control arm bush assembly according to claim 1, is characterized in that: in the metal outer pipe of described lining, one end is provided with turnup structure, and described turnup structure is arranged at the large one end of metal inner pipe flange length, and described pad is arranged at this end.
6. Control arm bush assembly according to claim 1 or 5, is characterized in that: the centre of described metal outer pipe is provided with the circle structure that concaves.
7. Control arm bush assembly according to claim 1 or 5, is characterized in that: the outward flange of described pad is turnup structure, makes pad become bottle-cover-shape, coordinates form sealing with lining lip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410073332.2A CN103818207A (en) | 2014-02-28 | 2014-02-28 | Control arm bushing assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410073332.2A CN103818207A (en) | 2014-02-28 | 2014-02-28 | Control arm bushing assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103818207A true CN103818207A (en) | 2014-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410073332.2A Pending CN103818207A (en) | 2014-02-28 | 2014-02-28 | Control arm bushing assembly |
Country Status (1)
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| CN (1) | CN103818207A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104827840A (en) * | 2014-10-28 | 2015-08-12 | 北汽福田汽车股份有限公司 | Control arm bush, control arm component and automobile |
| CN110678666A (en) * | 2016-11-23 | 2020-01-10 | Itt制造企业有限责任公司 | Vibration isolator |
| CN111542986A (en) * | 2017-12-15 | 2020-08-14 | 圣戈班性能塑料万科有限公司 | Annular member, method and assembly for component displacement control |
| CN114475136A (en) * | 2022-01-11 | 2022-05-13 | 奇瑞汽车股份有限公司 | Pull rod device, automobile suspension and automobile |
| CN115140191A (en) * | 2022-05-18 | 2022-10-04 | 东风柳州汽车有限公司 | Fender support and vehicle |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4744677A (en) * | 1984-11-27 | 1988-05-17 | Tokai Rubber Industries, Ltd. | Bush assemblage |
| JPH02212637A (en) * | 1989-02-09 | 1990-08-23 | Mitsubishi Motors Corp | Bush assembly |
| CN1215457A (en) * | 1996-03-25 | 1999-04-28 | F·I·B·E·T·股份公司 | Mechanical coupling for elastic axial and radial constraint with torsional freedom, especially for elastic pivots and suspensions and the like |
| US6170812B1 (en) * | 1997-11-13 | 2001-01-09 | Btr Antivibration Systems, Inc. | Slipper bushing incorporating sealing and torque-reducing characteristics |
| JP3384575B2 (en) * | 1992-10-20 | 2003-03-10 | 東洋ゴム工業株式会社 | Sliding bush |
| US20030057622A1 (en) * | 2001-09-27 | 2003-03-27 | Bovio Vincent G. | Slipper bushing |
| CN202389132U (en) * | 2011-11-22 | 2012-08-22 | 安徽中鼎减震橡胶技术有限公司 | Control arm lining |
-
2014
- 2014-02-28 CN CN201410073332.2A patent/CN103818207A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4744677A (en) * | 1984-11-27 | 1988-05-17 | Tokai Rubber Industries, Ltd. | Bush assemblage |
| JPH02212637A (en) * | 1989-02-09 | 1990-08-23 | Mitsubishi Motors Corp | Bush assembly |
| JP3384575B2 (en) * | 1992-10-20 | 2003-03-10 | 東洋ゴム工業株式会社 | Sliding bush |
| CN1215457A (en) * | 1996-03-25 | 1999-04-28 | F·I·B·E·T·股份公司 | Mechanical coupling for elastic axial and radial constraint with torsional freedom, especially for elastic pivots and suspensions and the like |
| US6170812B1 (en) * | 1997-11-13 | 2001-01-09 | Btr Antivibration Systems, Inc. | Slipper bushing incorporating sealing and torque-reducing characteristics |
| US20030057622A1 (en) * | 2001-09-27 | 2003-03-27 | Bovio Vincent G. | Slipper bushing |
| CN202389132U (en) * | 2011-11-22 | 2012-08-22 | 安徽中鼎减震橡胶技术有限公司 | Control arm lining |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104827840A (en) * | 2014-10-28 | 2015-08-12 | 北汽福田汽车股份有限公司 | Control arm bush, control arm component and automobile |
| CN110678666A (en) * | 2016-11-23 | 2020-01-10 | Itt制造企业有限责任公司 | Vibration isolator |
| CN111542986A (en) * | 2017-12-15 | 2020-08-14 | 圣戈班性能塑料万科有限公司 | Annular member, method and assembly for component displacement control |
| CN111542986B (en) * | 2017-12-15 | 2023-07-18 | 圣戈班性能塑料万科有限公司 | Annular member, method and assembly for component displacement control |
| CN114475136A (en) * | 2022-01-11 | 2022-05-13 | 奇瑞汽车股份有限公司 | Pull rod device, automobile suspension and automobile |
| CN115140191A (en) * | 2022-05-18 | 2022-10-04 | 东风柳州汽车有限公司 | Fender support and vehicle |
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Application publication date: 20140528 |
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| RJ01 | Rejection of invention patent application after publication |