CN103978861A - Connecting structure of swing arm and auxiliary frame of automobile - Google Patents
Connecting structure of swing arm and auxiliary frame of automobile Download PDFInfo
- Publication number
- CN103978861A CN103978861A CN201410237113.3A CN201410237113A CN103978861A CN 103978861 A CN103978861 A CN 103978861A CN 201410237113 A CN201410237113 A CN 201410237113A CN 103978861 A CN103978861 A CN 103978861A
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- China
- Prior art keywords
- swing arm
- subframe
- lower plate
- sleeve pipe
- upper plate
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Abstract
The invention provides a connecting structure of a swing arm and an auxiliary frame of an automobile. The connecting structure comprises the swing arm, the auxiliary frame, a casing pipe and a bush. The bush comprises an outer metal pipe, a rubber bush and an inner metal pipe, wherein the outer metal pipe, the rubber bush and the inner metal pipe are vulcanized into a whole and pressed into the casing pipe. An outer metal frame is welded to the outer side of the casing pipe and provided with installation holes. The outer metal frame is fixed to the auxiliary frame through the installation holes by bolts. A connecting portion of the swing arm is of a shaft rod structure. A shaft rod penetrates through the inner metal pipe of the bush and is fixed through an elastic gasket and a nut, so that the swing arm and the bush are connected. According to the structure, due to the fact that the swing arm and the bush are detachably fixed through the shaft rod structure and the nut, when the bush of the swing arm is damaged, only the nut needs to be detached, the damaged bush of the swing arm can be detached, a whole swing arm assembly does not need to be replaced, the use rate of a swing arm body is improved, repair time is saved, and use cost is reduced.
Description
Technical field
The invention belongs to automotive suspension chassis part technical field, be specifically related to the mounting structure of swing arm assembly.
Background technology
Swing arm assembly is as the important control element of automobile suspension system, and the handling on car load and comfort property have very important impact.Bush of swing arm is a kind of conventional bush structure, and it is arranged in the U-shaped support of subframe, and bolt is fixed together bush of swing arm and subframe through the inner tube of lining.Bush of swing arm mainly absorbs the shock and vibration of the generation that forward and backward braking and wheel swing up and down.If bush of swing arm lost efficacy, handling and the comfort property of car load will be affected, and time and the cost of replacing swing arm are all very high.
Referring to Fig. 1, existing bush of swing arm is by vulcanizing and form entirety between metal tube 5 in the outer metal tube 3 of lining, rubber bush 4, lining.Swing arm sleeve pipe 2 is welded in swing arm 1, and outer metal tube 3 interference of the lining of bush of swing arm are press fit in swing arm sleeve pipe 2, form swing arm assembly.When swing arm general assembly, adopt bolt pass the interior metal tube 5 of lining and be fixed on subframe radially wobbling along rubber bush 4 when swing arm assembly swings.This kind of bush of swing arm is by together with interference fit between the outer metal tube 3 of lining and sleeve pipe 2, can not repeat to press-fit bush of swing arm, thus independent dismounting and commutativity do not possessed, in the time that bush of swing arm damages, must change whole swing arm assembly, thereby cause on maintenance time and cost all higher.
Summary of the invention
The object of this invention is to provide the connection structure of a kind of automobile swing arm and subframe, this structure can be dismantled separately lining, must change the problem of whole swing arm assembly after avoiding bush structure to damage, and saves maintenance time and cost.
Technical scheme of the present invention is as follows:
A connection structure for automobile swing arm and subframe, comprises swing arm, subframe, sleeve pipe and lining, and described lining comprises outer metal tube, rubber bush and the interior metal tube of sulfuration for entirety, and they are fitted in sleeve pipe.Be connected to outer metallic framework in described sleeve pipe outside weld, on described outer metallic framework, have mounting hole, outer metallic framework is bolted on subframe by mounting hole; The connecting portion of described swing arm is shaft configurations, and axostylus axostyle, through the interior metal tube of described lining, is fixed by spring washer and nut, and swing arm is connected with lining.
Adopt above structure, because swing arm is fixing by spring washer 6 and this detouchable mode of nut 7 by shaft configurations and lining, in the time that damaging appears in bush of swing arm, only need to dismantle spring washer 6 and nut 7, the lower bush of swing arm damaging of dismounting, then change new bush of swing arm.
Further, the structure of described outer metallic framework comprises lower plate and upper plate, and one end of lower plate and upper plate forms and partly holds around or entirely hold around structure sleeve pipe from upside and downside respectively, and is welded to connect with sleeve pipe, the other end of lower plate and upper plate links together, and in this position, described mounting hole is set.Make so outer metallic framework and sleeve pipe be welded and fixed reliably, simple in structure, connect reliable.
This automobile swing arm is must change the problem of whole swing arm assembly in the situation that can effectively avoid bush of swing arm first to damage with the advantage of the connection structure of subframe, thereby improves the Occupation coefficient of swing arm body, saves maintenance time, reduces use cost.
Brief description of the drawings
Fig. 1 is the schematic diagram of the connection structure of existing automobile swing arm and subframe;
Fig. 2 is the schematic diagram of the connection structure of automobile swing arm of the present invention and subframe;
Fig. 3 is the decomposing schematic representation of bush Assembly structure in Fig. 2.
In figure: metal tube, 6-spring washer, 7-nut in 1-swing arm, 2-sleeve pipe, the outer metal tube of 3-, 4-rubber bush, 5-, 8-flange, 9-lower plate 9,10-brace panel, 11-upper plate, 12-waist-shaped hole, the main knock hole of 13-, 14-reinforced rib, 15-lightening hole, 16-axostylus axostyle.
Detailed description of the invention
Further describe structure of the present invention below in conjunction with accompanying drawing:
Referring to Fig. 2 and Fig. 3, this automobile swing arm comprises swing arm 1, subframe, sleeve pipe 2 and lining etc. with sub-frame connecting structure.Lining comprises outer metal tube 3, rubber bush 4 and the interior metal tube 5 of sulfuration for entirety, and the same with conventional structure, they are fitted in sleeve pipe 2.Different with existing structure, sleeve pipe 2 is not to weld with swing arm 1, but outside one of sleeve pipe 2 external welding metallic framework, on outer metallic framework, have mounting hole 12, outer metallic framework is bolted on subframe by mounting hole.And the connecting portion of swing arm 1 is designed to shaft configurations, axostylus axostyle 16 is through the interior metal tube 5 of lining, fixing by spring washer 6 and nut 7, swing arm and lining is realized and removably connected.
Particularly, outer metallic framework comprises lower plate 9 and upper plate 11, and one end of lower plate 9 and upper plate 11 forms and partly holds around or entirely hold around structure sleeve pipe 2 from upside and downside respectively, and is welded to connect with sleeve pipe 2, the other end of lower plate 9 and upper plate 11 links together, and in this position, described mounting hole 12 is set.
In order to strengthen the installation strength of outer metallic framework and subframe, further can between lower plate 9 and upper plate 11, design a brace panel 10, described brace panel 10 is welded between lower plate 9 and upper plate 11, and both are spaced apart, and mounting hole 12 is corresponding setting in upper plate and lower plate.
More optimally, in order to strengthen outer metallic framework, and alleviate its weight etc., upper plate 11 and lower plate 9 are provided with reinforced rib 14 in knee simultaneously.Upper plate 11 and lower plate 9 are provided with lightening hole 15 in the part that holds around sleeve pipe.In upper plate 11 and lower plate 9, can be provided with flange, flange is consistent with sleeve pipe 2 profiles of correspondence position, and is welded on sleeve pipe.
In addition, in upper plate and lower plate, also correspondence is provided with knock hole 13.
More preferably, for installation adjustment convenient and subframe, the mounting hole 12 on outer metallic framework is designed to waist-shaped hole.
Below, then further illustrate implementation detail of the present invention:
Lower plate 9, upper plate 11 are overlapped with sleeve pipe 2, brace panel 10 respectively, arrange weld seam at overlapping part, and at the interior layout weld seam of lightening hole 15 of upper plate 11 and lower plate 9.After welding fabrication, form outer metallic framework welding assembly, in the sleeve pipe 2 of the outer metallic framework welding of the structure force fit assembly then metal tube 5 in outer lining metal tube 3, rubber bush 4, lining being combined into, form bush of swing arm structure of the present invention.Axostylus axostyle 16 free-running fits of interior metal tube 5 and swing arm 1, gap value is 0.3mm, and is fixed in swing arm 1 by spring washer 6 and nut 7, after fastening good nut, then by mounting hole 12 and knock hole 13, swing arm assembly is fixed on subframe.The axis oscillating along the interior metal tube 5 of bush structure just when swing arm swings.
Wherein, upper plate 11 and lower plate 9 adopt punch forming and are designed with reinforced rib 14, lightening hole 15 and flange 8.Reinforced rib 14 plays the effect that increases upper and lower plate intensity.Lightening hole 15 alleviates upper and lower plate weight, and the convenient weld seam of arranging in hole.Flange 8 shape sleeve pipe 2 profiles are consistent, and are welded on sleeve pipe, the rigidity of metallic framework welding assembly outside increasing after welding fabrication.Mounting hole 12 is waist-shaped hole, and two holes are bolted on subframe, and waist-shaped hole is mainly the tolerance that absorbs size.Brace panel 10 adopts punch forming, and it act as the rigidity that increases upper and lower plate.
Claims (9)
1. the connection structure of an automobile swing arm and subframe, comprise swing arm (1), subframe, sleeve pipe (2) and lining, described lining comprises outer metal tube (3), rubber bush (4) and the interior metal tube (5) of sulfuration for entirety, and they are fitted in sleeve pipe (2); It is characterized in that: be connected to outer metallic framework in sleeve pipe (2) outside weld, have mounting hole (12) on described outer metallic framework, outer metallic framework is bolted on subframe by mounting hole; The connecting portion of described swing arm (1) is shaft configurations, and axostylus axostyle (16) is through the interior metal tube (5) of described lining, fixing by nut (7), and swing arm (1) is connected with lining.
2. the connection structure of automobile swing arm according to claim 1 and subframe, it is characterized in that: described outer metallic framework comprises lower plate (9) and upper plate (11), one end of lower plate and upper plate forms and partly holds around or entirely hold around structure sleeve pipe (2) from upside and downside respectively, and be welded to connect with sleeve pipe, the other end of lower plate and upper plate links together, and in this position, described mounting hole (12) is set.
3. the connection structure of automobile swing arm according to claim 2 and subframe, it is characterized in that: between described lower plate (9) and upper plate (11), be to couple together by brace panel (10), described brace panel is welded between lower plate and upper plate, both are spaced apart, and mounting hole (12) is corresponding setting in upper plate and lower plate.
4. according to the automobile swing arm described in claim 1,2 or 3 and the connection structure of subframe, it is characterized in that: between described nut (7) and interior metal tube (5), spring washer (6) is housed.
5. according to the automobile swing arm described in claim 1,2 or 3 and the connection structure of subframe, it is characterized in that: described mounting hole 12 is waist-shaped hole.
6. according to the connection structure of the automobile swing arm described in claim 2 or 3 and subframe, it is characterized in that: in upper plate and lower plate, also correspondence is provided with knock hole (13).
7. according to the connection structure of the automobile swing arm described in claim 2 or 3 and subframe, it is characterized in that: described upper plate (11) and lower plate (9) are provided with reinforced rib (14) in knee.
8. according to the connection structure of the automobile swing arm described in claim 2 or 3 and subframe, it is characterized in that: described upper plate (11) and lower plate (9) are provided with lightening hole (15) in the part that holds around sleeve pipe.
9. according to the connection structure of the automobile swing arm described in claim 2 or 3 and subframe, it is characterized in that: described upper plate (11) and lower plate (9) are provided with flange, flange is consistent with sleeve pipe (2) profile of correspondence position, and is welded on sleeve pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410237113.3A CN103978861A (en) | 2014-05-30 | 2014-05-30 | Connecting structure of swing arm and auxiliary frame of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410237113.3A CN103978861A (en) | 2014-05-30 | 2014-05-30 | Connecting structure of swing arm and auxiliary frame of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103978861A true CN103978861A (en) | 2014-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410237113.3A Pending CN103978861A (en) | 2014-05-30 | 2014-05-30 | Connecting structure of swing arm and auxiliary frame of automobile |
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| Country | Link |
|---|---|
| CN (1) | CN103978861A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105751841A (en) * | 2016-02-26 | 2016-07-13 | 无锡市中捷减震器有限公司 | Damping device of automobile front suspension swing arm connecting shaft sleeve sleeving assembly |
| CN108688422A (en) * | 2018-07-10 | 2018-10-23 | 上汽通用五菱汽车股份有限公司 | A kind of preceding lower suspension arm structure |
| CN110466298A (en) * | 2019-09-23 | 2019-11-19 | 安徽誉林汽车部件有限公司 | A kind of automobile-used irs control arm assembly structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202593202U (en) * | 2012-04-01 | 2012-12-12 | 广州汽车集团股份有限公司 | Swing arm of automobile suspension system, corresponding suspension system and corresponding automobile |
| CN203019997U (en) * | 2012-12-04 | 2013-06-26 | 北汽福田汽车股份有限公司 | Suspension swing arm, vehicle suspension system and vehicle |
| CN103625231A (en) * | 2013-11-29 | 2014-03-12 | 长城汽车股份有限公司 | Swinging arm installation structure |
| CN203557928U (en) * | 2013-09-20 | 2014-04-23 | 中国第一汽车股份有限公司 | An automotive front suspension system lower control arm |
-
2014
- 2014-05-30 CN CN201410237113.3A patent/CN103978861A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202593202U (en) * | 2012-04-01 | 2012-12-12 | 广州汽车集团股份有限公司 | Swing arm of automobile suspension system, corresponding suspension system and corresponding automobile |
| CN203019997U (en) * | 2012-12-04 | 2013-06-26 | 北汽福田汽车股份有限公司 | Suspension swing arm, vehicle suspension system and vehicle |
| CN203557928U (en) * | 2013-09-20 | 2014-04-23 | 中国第一汽车股份有限公司 | An automotive front suspension system lower control arm |
| CN103625231A (en) * | 2013-11-29 | 2014-03-12 | 长城汽车股份有限公司 | Swinging arm installation structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105751841A (en) * | 2016-02-26 | 2016-07-13 | 无锡市中捷减震器有限公司 | Damping device of automobile front suspension swing arm connecting shaft sleeve sleeving assembly |
| CN108688422A (en) * | 2018-07-10 | 2018-10-23 | 上汽通用五菱汽车股份有限公司 | A kind of preceding lower suspension arm structure |
| CN110466298A (en) * | 2019-09-23 | 2019-11-19 | 安徽誉林汽车部件有限公司 | A kind of automobile-used irs control arm assembly structure |
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Application publication date: 20140813 |
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| RJ01 | Rejection of invention patent application after publication |