CN103244593A - Bushing assembly of rear suspension system - Google Patents
Bushing assembly of rear suspension system Download PDFInfo
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- CN103244593A CN103244593A CN201310213315XA CN201310213315A CN103244593A CN 103244593 A CN103244593 A CN 103244593A CN 201310213315X A CN201310213315X A CN 201310213315XA CN 201310213315 A CN201310213315 A CN 201310213315A CN 103244593 A CN103244593 A CN 103244593A
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- hole
- cover
- middle cover
- rubber
- stream material
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Abstract
The invention discloses a bushing assembly of a rear suspension system, which comprises an inner sleeve, a middle sleeve and an outer sleeve, wherein the inner sleeve is coated with the middle sleeve; the middle sleeve is coated with the outer sleeve; and four flow material through holes are axially formed in the side surface of the middle sleeve. The relatively stable rigidity of a bushing is guaranteed by changing a structure of the middle sleeve; a broaching procedure is cancelled, so that the dimensional deviation and inner sleeve damage due to the broaching of a product can be reduced; the bushing assembly is simple in structure and reasonable in design; and the service life of the product is prolonged.
Description
Technical field
The present invention relates to automobile rubber bushing assembly, in particular a kind of bush assembly of rear-suspension system.
Background technique
Rubber bushing is the assembly that connects control arm and vehicle body, rubber structure is comparatively soft, when the rigidity difference of Ackermann steer angle owing to front and rear bushings, wheel can change certain prenex angle to the bend direction, if this trailing wheel that is designed for, trailing wheel just can be under the effect of transverse force follow-up steering, though this steering angle is very little, performance is still improved.Rigidity by the design rubber bushing can reach certain variable toe-in angle angle and follow-up steering function, but the top priority of rubber bushing still works to connect suspension and isolated vibrations, so rigidity can not be low excessively.This just causes the narrow limitation to variable toe-in and follow-up steering, tightly can obtain a very little angle.
In traditional product specification, in order to increase the radial rigidity of lining rigidity, the torsional stiffness ratio often need add middle cover in the overcoat rubber in lining, and traditional structure is outside behind the undergauge, then in cover carry out reaming remove in the stress in the outside in the cover.In carrying out sulfidation, rubber is injected, at this moment, outside pressure is inhomogeneous in the middle cover, the expansionary force in the cover outside in can eliminating by undergauge, because the mobile transmission of rubber when middle cover has blocked undergauge is so inboard rubber is expanded all the time, carrying out the radial rigidity test, this part rubber power has become pressure suddenly by tension force, can cause this moment rigidity very low so, and simultaneously rigidity and the inner rubber rigidity of outside rubber have produced a series connection, this moment, rigidity was based on little stiffness effect, so caused rigidity value very low, in order to overcome this phenomenon, old technology increases by a reaming operation behind the product undergauge.Carrying out the reaming size after the interior cover sulfuration is expanded to φ 12.2 by φ 11.2.Can remove the internal stress of inboard rubber.But this kind scheme has certain deficiency.1, cover internal diameter size φ 12.2 in after the reaming, interior cover height dimension is wayward.2, can cause interior cover skeleton to produce after the reaming breaks.If 3 interior sleeve wall thickness are too thick, after the reaming, interior cover external diameter does not change, and can cause the reaming operation to lose efficacy.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of bush assembly of rear-suspension system is provided, guarantee during rubber is in stream material process that outside pressure is evenly distributed in the cover.
The present invention is achieved by the following technical solutions, the present invention includes interior cover, middle cover and overcoat, puts in middle cover is coated on, and puts during overcoat is coated on, and four stream material through hole are in axial direction offered in the side of described middle cover.
The length of described stream material through hole is 3/4 of middle cover height, and the width of stream material through hole is 3～4mm.The material hole design is on the upper and lower end face of middle cover during sulfuration, and rubber is after injection, because the circulation of four stream material through hole, the inside and outside rubber pressure of middle cover is identical, all is to be in the tension state, realizes that inside and outside rubber communicates.
Described four stream material through hole evenly distribute along circumference, and the spacing of adjacent stream material through hole is 90 °,
The present invention has the following advantages compared to existing technology: the present invention is by the change of centered cover structure, guaranteed the comparatively stable rigidity of lining, cancel the reaming operation simultaneously, reduce that a procedure can reduce because the size deviation that the reaming of product causes and the damage of interior cover, simple in structure, reasonable in design, prolonged life of product.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of middle cover.
Embodiment
Below embodiments of the invention are elaborated, present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed mode of execution and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As depicted in figs. 1 and 2, cover 1, middle cover 2 and overcoat 3 in present embodiment comprises, in middle cover 2 is coated on the cover 1, during overcoat 3 is coated on the cover 2, described in the side of cover 2 in axial direction offer four stream material through hole 21.The length of stream material through hole 21 is 3/4 of middle cover 2 height, and the width of stream material through hole 21 is 3mm.The material hole design is on the upper and lower end face of middle cover 2 during sulfuration, and rubber is after injection, because the circulation of four stream material through hole 21, middle cover 2 inside and outside rubber pressures are identical, all are to be in the tension state, realize that inside and outside rubber communicates.Four stream material through hole 21 evenly distribute along circumference, and the spacing of adjacent stream material through hole 21 is 90 °.
Under the effect of undergauge anchor clamps (cut-off be rubber body thickness 1/10), overcoat 3 inwardly shrinks, rubber body is inwardly extruding under the effect of overcoat 3, simultaneously because the existence of stream material through hole 21, middle cover 2 inboard rubber are squeezed simultaneously, thereby reach removal stress, and reach one with outside rubber, prove that through rigidity test the rigidity of position of opening is consistent with the rigidity of 45 ° of positions in the middle of two stream material through hole 21 on the middle cover 2.
Claims (3)
1. the bush assembly of a rear-suspension system, it is characterized in that, comprise interior cover (1), middle cover (2) and overcoat (3), middle cover (2) is coated on the interior cover (1), overcoat (3) is coated on the middle cover (2), and four stream material through hole (21) are in axial direction offered in the side of described middle cover (2).
2. the bush assembly of rear-suspension system according to claim 1 is characterized in that, the length of described stream material through hole (21) is 3/4 of middle cover (2) height, and the width of stream material through hole (21) is 3～4mm.
3. the bush assembly of rear-suspension system according to claim 1 is characterized in that, described four stream material through hole (21) evenly distribute along circumference, and the spacing of adjacent stream material through hole (21) is 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310213315XA CN103244593A (en) | 2013-05-31 | 2013-05-31 | Bushing assembly of rear suspension system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310213315XA CN103244593A (en) | 2013-05-31 | 2013-05-31 | Bushing assembly of rear suspension system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103244593A true CN103244593A (en) | 2013-08-14 |
Family
ID=48924342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310213315XA Pending CN103244593A (en) | 2013-05-31 | 2013-05-31 | Bushing assembly of rear suspension system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103244593A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382823A (en) * | 2022-01-19 | 2022-04-22 | 青岛博锐智远减振科技有限公司 | Auxiliary spring and air spring of railway vehicle |
| CN114922929A (en) * | 2022-05-06 | 2022-08-19 | 广州市威来材料科技有限公司 | Straight-cylinder-shaped multilayer rubber thin-wall joint, installation assembly and installation method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2069270A (en) * | 1935-05-23 | 1937-02-02 | Transit Res Corp | Elastic spring and method of making same |
| US3666301A (en) * | 1969-11-04 | 1972-05-30 | Raoul Jorn | Pivot or support sleeve with resilient layer |
| GB1465133A (en) * | 1973-07-26 | 1977-02-23 | Jorn R | Rubber-metal bushings |
| JPH0960675A (en) * | 1995-08-25 | 1997-03-04 | Hokushin Ind Inc | Bush |
| CN202274030U (en) * | 2011-08-24 | 2012-06-13 | 潘富荣 | Connecting rod bushing |
| CN203322127U (en) * | 2013-05-31 | 2013-12-04 | 安徽中鼎减震橡胶技术有限公司 | Bushing component of rear suspension system |
-
2013
- 2013-05-31 CN CN201310213315XA patent/CN103244593A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2069270A (en) * | 1935-05-23 | 1937-02-02 | Transit Res Corp | Elastic spring and method of making same |
| US3666301A (en) * | 1969-11-04 | 1972-05-30 | Raoul Jorn | Pivot or support sleeve with resilient layer |
| GB1465133A (en) * | 1973-07-26 | 1977-02-23 | Jorn R | Rubber-metal bushings |
| JPH0960675A (en) * | 1995-08-25 | 1997-03-04 | Hokushin Ind Inc | Bush |
| CN202274030U (en) * | 2011-08-24 | 2012-06-13 | 潘富荣 | Connecting rod bushing |
| CN203322127U (en) * | 2013-05-31 | 2013-12-04 | 安徽中鼎减震橡胶技术有限公司 | Bushing component of rear suspension system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382823A (en) * | 2022-01-19 | 2022-04-22 | 青岛博锐智远减振科技有限公司 | Auxiliary spring and air spring of railway vehicle |
| CN114922929A (en) * | 2022-05-06 | 2022-08-19 | 广州市威来材料科技有限公司 | Straight-cylinder-shaped multilayer rubber thin-wall joint, installation assembly and installation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130814 |