CN201538207U - Buffer assembly for automobile rear suspension - Google Patents

Buffer assembly for automobile rear suspension Download PDF

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Publication number
CN201538207U
CN201538207U CN2009201756025U CN200920175602U CN201538207U CN 201538207 U CN201538207 U CN 201538207U CN 2009201756025 U CN2009201756025 U CN 2009201756025U CN 200920175602 U CN200920175602 U CN 200920175602U CN 201538207 U CN201538207 U CN 201538207U
Authority
CN
China
Prior art keywords
bump rubber
automobile
rear suspension
collision block
side rail
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2009201756025U
Other languages
Chinese (zh)
Inventor
黄元毅
韦勇
韦进光
韦友超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SAIC GM Wuling Automobile Co Ltd
Original Assignee
SAIC GM Wuling Automobile Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SAIC GM Wuling Automobile Co Ltd filed Critical SAIC GM Wuling Automobile Co Ltd
Priority to CN2009201756025U priority Critical patent/CN201538207U/en
Application granted granted Critical
Publication of CN201538207U publication Critical patent/CN201538207U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a buffer assembly for an automobile rear suspension. The buffer assembly is provided with a buffer block. The buffer block is arranged on the inner side or the outer side of the chassis longitudinal beam. The buffer block is arranged in a position higher than the bottom surface of the chassis longitudinal beam, the bottom surface of the chassis longitudinal beam is provided with an anti-collision block made from rubber, both the buffer block and the anti-collision block are arranged above an automobile rear axle, and the bottom surface of the anti-collision block is higher than the bottom surface of the buffer block. The buffer assembly for an automobile rear suspension is suitable for integral bridge type rear suspension automobiles. The height of a rear chassis and a rear base plate can be effectively reduced under the condition of ensuring the bump travel of the automobile suspension, and the gravity center height of the automobile is accordingly reduced. The buffer assembly makes the structural arrangement of the automobile suspension more compact, makes the automobile have excellent motion performance, and meets the requirement of maximizing inner space of the automobile.

Description

A kind of buffer component of rear suspension of automobile
Technical field
The utility model relates to a kind of Buffer Unit, particularly relates to a kind of buffer component of rear suspension of automobile that is applied on the whole bridge-type rear suspension.
Background technology
Automotive suspension is being undertaken the support car body; the assurance steady and safe vital task of travelling; adopt the automobile of whole bridge-type rear suspension enough strokes of beating to be arranged in order to guarantee rear suspension; generally on crossbeam or whole bridge, bump rubber is installed; and be installed in crossbeam just on the chassis side rail effect of bump rubber be when automobile runs into the situation of jumping in traveling process; when skipping to upper limit position on it; back axle contacts with bump rubber; it plays to relax and impacts; the restriction stroke; the effect of overload protection; so that isolating wheel suspension system moves significantly; because the bump rubber of the rear suspension of general-duty roadlice generally is to be arranged on the chassis side rail upper bottom surface at present; because chassis side rail itself has certain altitude; in order to guarantee to leave rational gap between vehicle frame and the ground; therefore the ground Clearance of back vehicle frame and back base plate is all than higher; make the center of gravity of automobile than higher, available space reduces in the car.
Summary of the invention
The utility model is finished in order to solve deficiency of the prior art, the purpose of this utility model provides a kind of whole bridge-type rear suspension automobile that is applicable to, can guarantee to satisfy automotive suspension beats under the prerequisite of stroke, effectively reduce the height of back vehicle frame and back base plate, thereby reduce the height of gravitational center of automobile, make rear overhang rack structural arrangement compactness, make automobile acquire excellent exercise performance, satisfy the buffer component of rear suspension of automobile of the maximized demand of interior space simultaneously.
A kind of buffer component of rear suspension of automobile of the present utility model, comprise bump rubber, tool is characterised in that: described bump rubber is arranged at the inboard or the outside of described chassis side rail, described bump rubber installation site is higher than described chassis side rail bottom surface, described chassis side rail bottom surface is provided with the only collision block of being made by rubber, described bump rubber and the described collision block that ends all are positioned at the automobile axle top, and the described collision block bottom faces of ending is higher than described bump rubber bottom faces.
A kind of buffer component of rear suspension of automobile of the present utility model can also be:
Described bump rubber is arranged at the outside of described chassis side rail.
Be provided with brace panel with the described corresponding position, collision block position of ending on the described automobile axle, skip to the limes superiors position on the rear suspension, described brace panel contacts with the described collision block bottom of ending.
Be provided with the bump rubber support with corresponding position, described bump rubber position on the described automobile axle, skip to the limes superiors position on the rear suspension, described bump rubber support contacts with described bump rubber.
The bottom shape of described bump rubber support is that middle part concave shape or bottom are a plane.
The bottom shape of described bump rubber support is the shape of a saddle or dish-shaped.
Described bump rubber is arranged at the described chassis side rail inboard or the outside by the bump rubber mount pad, and the described collision block that ends is arranged on the described chassis side rail bottom surface by ending the collision block mount pad, and described bump rubber mount pad and the described collision block mount pad that ends are fixed on the described vehicle frame.
Described bump rubber mount pad is fixed by welding in the described collision block mount pad that ends.
Described bump rubber is arranged at the described chassis side rail inboard or the outside by the bump rubber mount pad, and the described collision block that ends is fixed on the described bump rubber mount pad, and described bump rubber mount pad is fixed on the vehicle frame.
Described bump rubber mount pad is fixed on the described vehicle frame by bolt or welding manner.
Described bump rubber is made by polyurethane or rubber.
A kind of buffer component of rear suspension of automobile of the present utility model, in terms of existing technologies, because bump rubber is arranged at the inboard or the outside of chassis side rail, the bump rubber installation site is higher than the chassis side rail bottom surface, the chassis side rail bottom surface is provided with the only collision block of being made by rubber, bump rubber with end collision block and all be positioned at the automobile axle top, end the collision block bottom faces and be higher than the bump rubber bottom faces.Like this, the ground-surface height of bump rubber lowermost end distance that plays the assist spring effect is greater than the existing ground-surface height of bump rubber distance that is installed on the chassis side rail bottom surface, make gap increase between bump rubber bottom and the ground, fully guaranteeing under the situation of reasonable clearance between vehicle frame and the ground, can reduce the back base plate ground Clearance behind the vehicle frame, effectively reduce the height of back vehicle frame and base plate, make centre of gravity of vehicle reduce, make automobile safety and handling better.Only collision block is installed in the bottom of chassis side rail in addition; end the collision block bottom faces and be higher than the bump rubber bottom faces, open when being compressed to end position when buffering like this, end collision block and contact the generation opposition with back axle; play the effect of protection bump rubber, work the load and spacing that withstands shocks simultaneously.
Description of drawings
A kind of rear overhang rack assembly of Fig. 1 the present invention figure.
A kind of buffer component of rear suspension of automobile embodiment of Fig. 2 the present invention lateral plan.
A kind of buffer component of rear suspension of automobile embodiment of Fig. 3 the present invention erection plan.
A kind of buffer component of rear suspension of automobile embodiment of Fig. 4 the present invention scheme drawing.
A kind of buffer component of rear suspension of automobile embodiment of Fig. 5 the present invention back axle scheme drawing.
The figure number explanation
1 ... chassis side rail 2 ... bump rubber 3 ... end collision block
4 ... back axle 5 ... brace panel 6 ... the bump rubber support
7 ... the bump rubber mount pad
The specific embodiment
Below in conjunction with accompanying drawing Fig. 1 to Fig. 5 buffer component of rear suspension of automobile of the present utility model is described in further detail.
Specific embodiment one
A kind of buffer component of rear suspension of automobile of the present utility model please refer to relevant each figure among Fig. 1 to Fig. 5, comprises bump rubber 2, and the effect front of bump rubber 2 illustrates, is not giving unnecessary details herein, and the structure of bump rubber 2 is to use present general-duty structure to get final product.Bump rubber 2 can be made by polyurethane, also can make by rubber, the bump rubber of being made by polyurethane or rubber 2 is arranged at the inboard or the outside of chassis side rail 1, bump rubber 2 installation sites are higher than chassis side rail 1 bottom surface, chassis side rail 1 bottom surface is provided with the only collision block of being made by rubber 3, bump rubber 2 with end collision block 3 and all be positioned at automobile axle 4 tops, end collision block 3 bottom faces and be higher than bump rubber 2 bottom faces, bump rubber 3 can also be made by other elastomeric material certainly.Like this, the ground-surface height of bump rubber 2 lowermost ends distance that plays the assist spring effect is greater than the existing ground-surface height of bump rubber 2 distances that is installed on chassis side rail 1 bottom surface, make gap increase between bump rubber 2 bottoms and the ground, fully guaranteeing under the situation of reasonable clearance between vehicle frame and the ground, can reduce the back base plate ground Clearance behind the vehicle frame, effectively reduce the height of back vehicle frame and base plate, make centre of gravity of vehicle reduce, make automobile safety and handling better.Only collision block 3 is installed in the bottom of chassis side rail 1 in addition, ends collision block 3 bottom faces and be higher than bump rubber 2 bottom faces, end collision block 3 and play the effect spacing and load that withstands shocks.When skipping to the limes superiors position on the wheel, impact load sharply increases, be installed in chassis side rail 1 outside, back or inboard bump rubber 2 load that withstands shocks if only depend on, suffered moment of torsion and the moment of flexure of chassis side rail 1 is all very big, general longeron 1 all can't bear, end collision block 3 this moment and play spacing and effect bearing load, solved the strength problem of the chassis side rail 1 when bump rubber 2 is arranged in longeron 1 inboard or the outside.When bump rubber 2 is compressed to end position, ends collision block 3 and contact the generation opposition with back axle 4 like this, play the effect of protection bump rubber 2, work the load and spacing that withstands shocks simultaneously.In addition, it is arranged apart with bump rubber 2 to end collision block 3, and bump rubber 2 is arranged at the inboard or the outside of chassis side rail 1, make automobile more satisfactory at the offset frequency matching ratio of design point lower suspension, can satisfy the requirement of car load traveling comfort, improve automobile roll rigidity simultaneously, satisfy the requirement of car load road-holding property.To sum up, such rear suspension Buffer Unit is used to be applicable to whole bridge-type rear suspension, beat under the prerequisite of stroke guaranteeing to satisfy rear overhang rack, effectively reduce the height of back vehicle frame and back base plate, thereby reduce the height of gravitational center of automobile, make rear suspension structural arrangement compactness, make automobile acquire excellent exercise performance, satisfy the maximized demand of interior space simultaneously.Adopt the rear suspension of this arranged in form, can't reduce the road clearance of vehicle, and simple in structure, be applicable to Eco-power commercial vehicle/comm..vehicle and manned vehicle, manufacturing cost and maintenance cost are low, behind the formation batch manufacturing, low cost of manufacture not only, after-sales service is convenient, produces huge economic benefit.
Further optimized technical scheme is the outside that bump rubber 2 is arranged at chassis side rail 1.The advantage of this spline structure except above-mentioned raising since its in the outside, make to install, check, maintenance and change all more convenient.
Specific embodiment two
A kind of buffer component of rear suspension of automobile of the present utility model, please refer to relevant each figure among Fig. 1 to Fig. 5, can also be on the basis of specific embodiment one, on the automobile axle 4 with end corresponding position, collision block 3 position and be provided with brace panel 5, skip to the limes superiors position on the rear suspension, brace panel 5 with end collision block 3 bottoms and contact.Like this, when skipping to the limes superiors position on the rear suspension, prevent that only collision block 3 directly contacts with back axle 4, improve the intensity that back axle 4 should be located, in addition, can be so that chassis side rail 1 bottom surface under the certain situation in back axle 4 gaps, chassis side rail 1 bottom surface makes further arranges compactly that apart from bottom surface height minimum the available space in the car further strengthens.Certainly, brace panel 5 can the time be welded on the back axle 4, also can be to be fixed on the back axle 4 by miscellaneous part, so long as it is arranged on the back axle 4, make when skipping to the upper limit position place on the rear suspension, end collision block 3 and contact with brace panel 5 and get final product the anti-impact force of raising back axle 4.
Specific embodiment three
A kind of buffer component of rear suspension of automobile of the present utility model, please refer to relevant each figure among Fig. 1 to Fig. 5, on the basis of specific embodiment one and specific embodiment two, can also be to be provided with bump rubber support 6 with corresponding position, bump rubber 2 position on the automobile axle 4, skip to the limes superiors position on the rear suspension, bump rubber support 6 contacts with bump rubber 2.What bump rubber support 6 was set is a little that when skipping to the limes superiors position on the rear suspension, bump rubber support 6 directly contacts with bump rubber 2, alleviates the impulsive force that bump rubber 2 is subjected to, and avoids the damage of bump rubber 2.Further preferably, the bottom shape of bump rubber support 6 is that middle part concave shape or bottom are a plane.The shape of indent preferably, more fixing than being easier to back axle 4 applyings because the advantage of such shape is that it makes bump rubber support 6, area of contact is bigger during applying, and is fixing relatively more firm.Further, bump rubber support 6 bottom concave shape specifically can be the shape of a saddle or dish-shaped or other concave shape.Bump rubber support 6 preferably is welded on the automobile axle 4, and so relatively firmly, bump rubber support 6 is not easy to come off.Certainly bump rubber support 6 can also be to be connected on the back axle 4, or uses clamping band to fix, and gets final product so long as bump rubber support 6 can be fixed on the back axle 4.
Specific embodiment four
A kind of buffer component of rear suspension of automobile of the present utility model, please refer to relevant each figure among Fig. 1 to Fig. 5, on the basis of specific embodiment one, specific embodiment two and specific embodiment three, can also be that bump rubber 2 is arranged at chassis side rail 1 inboard or the outside by bump rubber mount pad 7, end collision block 3 and be arranged on chassis side rail 1 bottom surface by ending collision block 3 mount pads, bump rubber mount pad 7 with end collision block 3 mount pads and be fixed on the vehicle frame.Bump rubber mount pad 7 and end collision block 3 mount pads and all can or use bolt to weld or be fixed on side and bottom surface respectively by welding manner at chassis side rail 1.Bump rubber mount pad 7 also can be fixed by welding in earlier with ending collision block 3 mount pads, then together by being bolted to chassis side rail 1 side and bottom surface.Like this, be easy to install and maintain.
Specific embodiment five
A kind of buffer component of rear suspension of automobile of the present utility model, please refer to relevant each figure among Fig. 1 to Fig. 4, on the basis of specific embodiment one to four any specific embodiment, can also be that bump rubber 2 is arranged at chassis side rail 1 inboard or the outside by bump rubber mount pad 7, ending collision block 3 is fixed on the bump rubber mount pad 7, specifically can be that the collision block 3 that ends that rubber is made directly vulcanizes to bump rubber mount pad 7, bump rubber mount pad 7 be fixed on the vehicle frame.Be specially, bump rubber mount pad 7 is fixed on the vehicle frame by bolt or welding manner.
Above-mentionedly only several specific embodiments in the utility model are illustrated; but can not be as protection domain of the present utility model; every equivalence variation of having done according to the design spirit in the utility model or modification or equal proportion are amplified or are dwindled etc., all should think to fall into protection domain of the present utility model.

Claims (10)

1. buffer component of rear suspension of automobile, comprise bump rubber, it is characterized in that: described bump rubber is arranged at the inboard or the outside of described chassis side rail, described bump rubber installation site is higher than described chassis side rail bottom surface, described chassis side rail bottom surface is provided with the only collision block of being made by rubber, described bump rubber and the described collision block that ends all are positioned at the automobile axle top, and the described collision block bottom faces of ending is higher than described bump rubber bottom faces.
2. a kind of buffer component of rear suspension of automobile according to claim 1 is characterized in that: described bump rubber is arranged at the outside of described chassis side rail.
3. a kind of buffer component of rear suspension of automobile according to claim 1, it is characterized in that: be provided with brace panel with the described corresponding position, collision block position of ending on the described automobile axle, skip to the limes superiors position on the rear suspension, described brace panel contacts with the described collision block bottom of ending.
4. a kind of buffer component of rear suspension of automobile according to claim 1, it is characterized in that: be provided with the bump rubber support with corresponding position, described bump rubber position on the described automobile axle, skip to the limes superiors position on the rear suspension, described bump rubber support contacts with described bump rubber.
5. a kind of buffer component of rear suspension of automobile according to claim 4 is characterized in that: the bottom shape of described bump rubber support is that middle part concave shape or bottom are a plane.
6. a kind of buffer component of rear suspension of automobile according to claim 4 is characterized in that: the bottom shape of described bump rubber support is the shape of a saddle.
7. according to the described a kind of buffer component of rear suspension of automobile of any claim in the claim 1 to 6, it is characterized in that: described bump rubber is arranged at the described chassis side rail inboard or the outside by the bump rubber mount pad, the described collision block that ends is arranged on the described chassis side rail bottom surface by ending the collision block mount pad, and described bump rubber mount pad and the described collision block mount pad that ends are fixed on the described vehicle frame.
8. a kind of buffer component of rear suspension of automobile according to claim 7 is characterized in that: described bump rubber mount pad is fixed by welding in the described collision block mount pad that ends.
9. according to the described a kind of buffer component of rear suspension of automobile of any claim in the claim 1 to 6, it is characterized in that: described bump rubber is arranged at the described chassis side rail inboard or the outside by the bump rubber mount pad, the described collision block that ends is fixed on the described bump rubber mount pad, and described bump rubber mount pad is fixed on the described vehicle frame by bolt or welding manner.
10. a kind of buffer component of rear suspension of automobile according to claim 9 is characterized in that: described bump rubber is made by polyurethane or rubber.
CN2009201756025U 2009-09-04 2009-09-04 Buffer assembly for automobile rear suspension Expired - Lifetime CN201538207U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009201756025U CN201538207U (en) 2009-09-04 2009-09-04 Buffer assembly for automobile rear suspension

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009201756025U CN201538207U (en) 2009-09-04 2009-09-04 Buffer assembly for automobile rear suspension

Publications (1)

Publication Number Publication Date
CN201538207U true CN201538207U (en) 2010-08-04

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CN2009201756025U Expired - Lifetime CN201538207U (en) 2009-09-04 2009-09-04 Buffer assembly for automobile rear suspension

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102416837A (en) * 2011-10-19 2012-04-18 重庆长安汽车股份有限公司 Automotive rear suspension buffering block
CN103568753A (en) * 2013-11-18 2014-02-12 上汽通用五菱汽车股份有限公司 Buffering device and automobile comprising buffering device
CN103568754A (en) * 2013-11-18 2014-02-12 上汽通用五菱汽车股份有限公司 Buffering mechanism and automobile comprising buffering mechanism
CN106926657A (en) * 2017-03-07 2017-07-07 浙江小豆电气科技有限公司 Automobile rear suspension assembly
CN111572305A (en) * 2020-05-18 2020-08-25 安徽江淮汽车集团股份有限公司 Torsion beam suspension

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102416837A (en) * 2011-10-19 2012-04-18 重庆长安汽车股份有限公司 Automotive rear suspension buffering block
CN103568753A (en) * 2013-11-18 2014-02-12 上汽通用五菱汽车股份有限公司 Buffering device and automobile comprising buffering device
CN103568754A (en) * 2013-11-18 2014-02-12 上汽通用五菱汽车股份有限公司 Buffering mechanism and automobile comprising buffering mechanism
CN106926657A (en) * 2017-03-07 2017-07-07 浙江小豆电气科技有限公司 Automobile rear suspension assembly
CN106926657B (en) * 2017-03-07 2018-10-16 浙江小豆电气科技有限公司 Automobile rear suspension assembly
CN111572305A (en) * 2020-05-18 2020-08-25 安徽江淮汽车集团股份有限公司 Torsion beam suspension

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20100804

Effective date of abandoning: 20090904