CN202674129U - Sleeved suspension - Google Patents
Sleeved suspension Download PDFInfo
- Publication number
- CN202674129U CN202674129U CN 201220294619 CN201220294619U CN202674129U CN 202674129 U CN202674129 U CN 202674129U CN 201220294619 CN201220294619 CN 201220294619 CN 201220294619 U CN201220294619 U CN 201220294619U CN 202674129 U CN202674129 U CN 202674129U
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- rubber body
- bushing
- skeleton
- circular arc
- suspending
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- Fluid-Damping Devices (AREA)
Abstract
The utility model discloses a sleeved suspension, which comprises a support disc, a rubber main spring and a skeleton, wherein the support disc, the rubber main spring and the skeleton are vulcanized into a whole, the rubber main spring is vulcanized on the outside of the support disc and depresses in the radial direction to form a circular concave groove, the circular concave groove separates the rubber main spring into an upper rubber body and a lower rubber body, the skeleton is vulcanized into the upper rubber body and mainly consists of an upper circular arc part, a radial depression part and a lower circular arc part, the upper circular arc part, the radial depression part and the lower circular arc part are sequentially connected in the axial direction, the edge of the top end of the upper rubber body, near the support disc, depresses in the axial direction to form a circular concave cavity, and a circular cushion block is arranged in the circular concave cavity. The sleeved suspension has the advantages that the distance between the skeleton and the support disc is reduced by the arrangement of the radial depression part, the radial rigidity of the linear section is effectively enhanced by the arrangement of the skeleton with the structure, and the radial rigidity of the non-linear section is effectively enhanced by the arrangement of the circular cushion, so on the premise of ensuring low axial rigidity, the radial rigidity is greatly enhanced, and the NVH (noise, vibration and harshness) performance of the whole vehicle is enhanced.
Description
Technical field
The utility model relates to a kind of automobile vibration and noise reducing device, especially relates to a kind of bushing suspending.
Background technique
Vibration when the telescopic shock absorber in the automobile is mainly used in reducing bounce-back after the spring absorbing and absorb the energy of road shocks, the bushing suspending that wherein connects telescopic shock absorber and vehicle body has played key effect at vibration damping and noise reduction.Bushing suspending is because it has that price is low, the radial rigidity adjustability is good, manufacturing process is simple, the advantage such as little that takes up room, and gains great popularity.But bushing suspending influences each other because of its all directions rigidity, when satisfying axial rigidity ratio, radial rigidity often relatively difficulty reach.Especially at some in particular cases, often wish that axial rigidity is enough low, to reduce the vibrating noise under the idling operation, improve vibration isolating effect, increase the service life, wish again that radial rigidity is high simultaneously, to improve the effectiveness in vibration suppression of high frequency vibration.Yet common bushing suspending can not satisfy above-mentioned requirements at present, so the bushing suspending low in the urgent need to a kind of axial rigidity, that radial rigidity is high, to satisfy car load NVH performance.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of guaranteeing can greatly to improve radial rigidity under the lower prerequisite of axial rigidity, improves the bushing suspending of car load NVH performance.
The utility model solves the problems of the technologies described above the technological scheme that adopts: a kind of bushing suspending, it is characterized in that comprising sulfuration all-in-one-piece supporting disk, rubber spring and skeleton, described rubber spring vulcanizes outside described supporting disk, on the described rubber spring radially in the recessed annular groove that is formed with, it is upper rubber body and lower rubber body that described annular groove divides described rubber spring, described skeleton vulcanizes in described upper rubber body, described skeleton is mainly by the upper circular arc portion that connects successively vertically, the footpath is concave portion and lower circular arc portion composition inwards, the recessed annular cavity that is formed with in axial near the top ora terminalis opening's edge of described supporting disk on the described upper rubber body is provided with annular cushion block in the described annular cavity.
Described supporting disk mainly is comprised of upper dish and lower wall, the bottom of described upper dish is fixedly connected with the top of described lower wall, described upper rubber body is vulcanized outside described upper dish, described lower rubber body is vulcanized outside described lower wall, described annular cavity is arranged at the top ora terminalis mouth of close described upper dish on the described upper rubber body, and described annular cushion block is positioned at outside the top ora terminalis mouth of described upper dish.
Described footpath inwards concave portion comprises radial rigidity raising section and linkage section, the upper end of described radial rigidity raising section is connected with the lower end of described upper circular arc portion, the lower end of described radial rigidity raising section is connected with the upper end of described linkage section, the lower end of described linkage section is connected with the upper end of described lower circular arc portion, and the wall of described radial rigidity raising section is parallel with the sidewall convergence of described upper dish.
The surface of the upper side wall of described annular groove is the inclined-plane that tilts inwards, the surperficial convergence plane of the upper side wall of described annular groove under preload.
It is conical that described upper rubber body is.
The making material that described annular cushion block adopts is aluminium material, iron material or nylon material.
Described supporting disk is connected with the telescopic shock absorber of automobile by bolt, and the periphery wall of described upper rubber body is connected with the vehicle body interference fit.
The making material that described skeleton adopts is nylon material or aluminium material.
Compared with prior art, the utility model has the advantage of: by being formed with an annular groove recessed in radially on the rubber spring, by annular groove rubber spring is divided into upper rubber body and lower rubber body two-part, and the skeleton that will vulcanize in upper rubber body is divided into the upper circular arc portion that connects successively vertically, the footpath is concave portion and lower circular arc portion inwards, when using since the footpath inwards concave portion the distance that has reduced between skeleton and the supporting disk is set, namely having reduced iron bumps the iron distance or has reduced participation compressing rubber amount, therefore the skeleton Effective Raise of this structure the linearity range radial rigidity, simultaneously by being formed with an annular cavity near the top ora terminalis opening's edge of supporting disk is recessed in axially on the upper rubber body, and annular cushion block is set in annular cavity, Effective Raise the has been set non-linear section radial rigidity of annular cushion block, to sum up bushing suspending of the present utility model is guaranteeing under the lower prerequisite of axial rigidity, greatly improve radial rigidity, thereby improved car load NVH performance.
Description of drawings
Fig. 1 is the cross-sectional schematic of bushing suspending of the present utility model;
Fig. 2 is the application schematic representation of bushing suspending of the present utility model.
Embodiment
Embodiment is described in further detail the utility model below in conjunction with accompanying drawing.
A kind of bushing suspending that the utility model proposes, as shown in Figure 1, it comprises sulfuration all-in-one-piece supporting disk 1, rubber spring 2 and skeleton 3, rubber spring 2 vulcanizes outside supporting disk 1, supporting disk 1 mainly is comprised of upper dish 11 and lower wall 12, the bottom of upper dish 11 is fixedly connected with Type of Welding with the top of lower wall 12, upper dish 11 is U-shaped structure, rubber spring 2 radially in the recessed annular groove 4 that is formed with, 4 minutes rubber springs 2 of annular groove are upper rubber body 21 and lower rubber body 22, upper rubber body 21 is vulcanized outside upper dish 11, lower rubber body 22 is vulcanized outside lower wall 12, skeleton 3 vulcanizes in upper rubber body 21, skeleton 3 is mainly by the upper circular arc portion 31 that connects successively vertically, the footpath is concave portion 32 and lower circular arc portion 33 compositions inwards, it is protruding that the structure of upper circular arc portion 31 and lower circular arc portion 33 namely is radially outward, footpath inwards concave portion 32 does not contact with the sidewall of dish 11 under preload, namely directly the wall of concave portion 32 and the sidewall of upper dish 11 are not collided in the situation of preload inwards, the recessed annular cavity 5 that is formed with in axial near the top ora terminalis opening's edge of upper dish 11 on the upper rubber body 21, be provided with annular cushion block 6 in the annular cavity 5, annular cushion block 6 is positioned at outside the top ora terminalis mouth of dish 11.This bushing suspending is when using, the part preload is axially upwards being arranged, owing to be formed with an annular groove 4 recessed in radially on the rubber spring 2, by annular groove 4 rubber spring 2 is divided into upper rubber body 21 and lower rubber body 22 two-part, and the skeleton 3 that will vulcanize in upper rubber body 21 is divided into the upper circular arc portion 31 that connects successively vertically, the footpath is concave portion 32 and lower circular arc portion 33 inwards, this footpath inwards concave portion 32 the distance that has reduced between skeleton 3 and the upper dish 11 is set, therefore greatly improved the linearity range radial rigidity, simultaneously by being formed with an annular cavity 5 near dish 11 top ora terminalis opening's edge is recessed in axially on the upper rubber body 21, and at the annular cavity 5 interior annular cushion blocks 6 that arrange, Effective Raise the has been set non-linear section radial rigidity of annular cushion block 6, to sum up this bushing suspending is guaranteeing under the lower prerequisite of axial rigidity, greatly improve radial rigidity, thereby improved car load NVH performance.
At this, as shown in Figure 2, supporting disk 1 is connected with the telescopic shock absorber 92 of automobile by bolt 91, the lower wall 12 that is supporting disk 1 joins by the support block 921 of bolt 91 with telescopic shock absorber 92, upper dish 11 joins with nut 93, the top of this bushing suspending is connected with the upper limit cover 922 of telescopic shock absorber 92 by bolt 91, and the periphery wall of upper rubber body 21 is connected with vehicle body 94 interference fit; Skeleton 3 adopts nylon material or aluminium material to make.
In this specific embodiment, footpath inwards concave portion 32 comprises radial rigidity raising section 321 and linkage section 322, the upper end of radial rigidity raising section 321 is connected with the lower end of upper circular arc portion 31, the lower end of radial rigidity raising section 321 is connected with the upper end of linkage section 322, the lower end of linkage section 322 is connected with the upper end of lower circular arc portion 33, position relationship and distance between this radial rigidity raising section 321 and dish 11 can be regulated according to the radial rigidity of actual requirement, for example: suppose that the radial rigidity that this bushing suspending need satisfy is 1400 Newton/millimeter, then can with the footpath inwards the structure of concave portion 32 be designed to make the shape of its longitudinal cross-section to be L-type, the wall of radial rigidity raising section 321 is substantially parallel with the sidewall of upper dish 11 at this moment, yet in actual design process, can be according to the radial rigidity requirement of reality, the design footpath is the concrete structure of concave portion 32 inwards, and is flexible and changeable.
In this specific embodiment, the surface of the upper side wall 41 of annular groove 4 is the inclined-plane that tilts inwards, the surperficial convergence plane of the upper side wall 41 of annular groove 4 under preload, that is: so that the scope of the surface tilt of the upper side wall 41 of annular groove 4 remain in the preload distance range, under the prerequisite that guarantees fatigue strength, further improved radial rigidity like this.In actual application, in the situation of preload, the degree on the surperficial convergence plane of the upper side wall 41 of annular groove 4 is mainly determined by the rigidity of preload force and rubber spring, therefore in the different situation of the rigidity of preload force or the rubber spring that adopts, the degree on the surperficial convergence plane of the upper side wall 41 of annular groove 4 is also different.
In this specific embodiment, it is conical that upper rubber body 21 integral body are, the compression volume of rubber body 21 under preload, can discharging like this, thereby greatly increase fatigue strength, guaranteed in the axial direction simultaneously the useful area of upper rubber body 21 compressions, thereby when guaranteeing axially in less range in stiffness, to change, can improve the effectiveness in vibration suppression of car load Z-direction.
At this, annular cushion block 6 adopts aluminium material, iron material or nylon material to make.
Claims (8)
1. bushing suspending, it is characterized in that comprising sulfuration all-in-one-piece supporting disk, rubber spring and skeleton, described rubber spring vulcanizes outside described supporting disk, on the described rubber spring radially in the recessed annular groove that is formed with, it is upper rubber body and lower rubber body that described annular groove divides described rubber spring, described skeleton vulcanizes in described upper rubber body, described skeleton is mainly by the upper circular arc portion that connects successively vertically, the footpath is concave portion and lower circular arc portion composition inwards, the recessed annular cavity that is formed with in axial near the top ora terminalis opening's edge of described supporting disk on the described upper rubber body is provided with annular cushion block in the described annular cavity.
2. a kind of bushing suspending according to claim 1, it is characterized in that described supporting disk mainly is comprised of upper dish and lower wall, the bottom of described upper dish is fixedly connected with the top of described lower wall, described upper rubber body is vulcanized outside described upper dish, described lower rubber body is vulcanized outside described lower wall, described annular cavity is arranged at the top ora terminalis mouth of close described upper dish on the described upper rubber body, and described annular cushion block is positioned at outside the top ora terminalis mouth of described upper dish.
3. a kind of bushing suspending according to claim 2, it is characterized in that described footpath inwards concave portion comprise radial rigidity raising section and linkage section, the upper end of described radial rigidity raising section is connected with the lower end of described upper circular arc portion, the lower end of described radial rigidity raising section is connected with the upper end of described linkage section, the lower end of described linkage section is connected with the upper end of described lower circular arc portion, and the wall of described radial rigidity raising section is parallel with the sidewall convergence of described upper dish.
4. each described a kind of bushing suspending in 3 according to claim 1 is characterized in that the inclined-plane of surface for tilting inwards of the upper side wall of described annular groove, the surperficial convergence plane of the upper side wall of described annular groove under preload.
5. a kind of bushing suspending according to claim 4 is characterized in that described upper rubber body is conical.
6. a kind of bushing suspending according to claim 5 is characterized in that the making material that described annular cushion block adopts is aluminium material, iron material or nylon material.
7. a kind of bushing suspending according to claim 1 is characterized in that described supporting disk is connected with the telescopic shock absorber of automobile by bolt, and the periphery wall of described upper rubber body is connected with the vehicle body interference fit.
8. a kind of bushing suspending according to claim 7 is characterized in that the making material that described skeleton adopts is nylon material or aluminium material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220294619 CN202674129U (en) | 2012-06-20 | 2012-06-20 | Sleeved suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220294619 CN202674129U (en) | 2012-06-20 | 2012-06-20 | Sleeved suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202674129U true CN202674129U (en) | 2013-01-16 |
Family
ID=47495036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220294619 Expired - Fee Related CN202674129U (en) | 2012-06-20 | 2012-06-20 | Sleeved suspension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202674129U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705412A (en) * | 2012-06-20 | 2012-10-03 | 宁波拓普集团股份有限公司 | Bushing type suspension |
| CN109322956A (en) * | 2018-10-08 | 2019-02-12 | 株洲时代新材料科技股份有限公司 | A kind of more scope of freedom composite elastic elements |
-
2012
- 2012-06-20 CN CN 201220294619 patent/CN202674129U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705412A (en) * | 2012-06-20 | 2012-10-03 | 宁波拓普集团股份有限公司 | Bushing type suspension |
| CN109322956A (en) * | 2018-10-08 | 2019-02-12 | 株洲时代新材料科技股份有限公司 | A kind of more scope of freedom composite elastic elements |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20160620 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |