CN200939816Y - Twisted beam rear axle - Google Patents
Twisted beam rear axle Download PDFInfo
- Publication number
- CN200939816Y CN200939816Y CN 200620105719 CN200620105719U CN200939816Y CN 200939816 Y CN200939816 Y CN 200939816Y CN 200620105719 CN200620105719 CN 200620105719 CN 200620105719 U CN200620105719 U CN 200620105719U CN 200939816 Y CN200939816 Y CN 200939816Y
- Authority
- CN
- China
- Prior art keywords
- trailing arm
- assembly
- back trailing
- bar type
- right back
- 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 - Fee Related
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Abstract
The utility model relates to a twisted beam rearmost axle consisting of a rearmost axle shell assembly, a brake assembly and a drum-type brake hub assembly. The utility model uses a semi-detached suspension structure. Inside a rearmost axle beam of the rearmost shell assembly is provided with a horizontally-stabilized rod. On two sides of the rearmost axle beam are provided with a left and a right trailing arms. On sides of the left trailing arm and the left trailing arm are provided with a shock absorber assembly and two elastic bodies and the other sides the left trailing arm and the left trailing arm are provided with two bushings and sleeve assembly. The shock absorber assembly, the sleeve assembly and the elastic bodies are connected with the vehicle body. The shock absorber assembly and the elastic bodies are separated for arrangement, lowering the non-sprung mass and increasing the luggage case space. The spread of the wheels and the camber angle keep unchanged when the right and left wheel are bouncing, reducing the unconventional friction of the wheel, lowering the vehicle height, improving the grounding performance for vehicles so as to further improve the driving performance and riding comfort for the vehicles.
Description
Technical field
The utility model relates to a kind of automotive fittings, especially relates to a kind of Wrest bar type back axle.
Background technology
General automobile the back axle total structure forms by drive shell, retarder, diff, semiaxis and wheel hub, on axle tube, the wheel hub outer end covers with the metal cap of punching press wheel hub by bearings, the interior sorrowful oil sealing that is equipped with of wheel hub.Concrete mounting means is: an end that earlier a tapered roller bearing is inserted in a supporting wheel hub on the axle journal of semiaxis outer end, subsequently car opinion wheel hub is packed into, the last other end that is inserted in a tapered roller bearing supporting wheel hub on the axle journal of semiaxis outer end is adjusted the elasticity and the position of bearing by the adjustment nut of bearing outer end.
Along with the continuous attention of automobile to safety, energy-saving and environmental protection, automobile car back axle is as a critical component of car load, the quality of its product is very large to the safe handling of car load and the influence of vehicle performance, thereby automobile car back axle is carried out the effective optimization design calculation is very important.Such as " Biodge device behind a kind of lilliput car ", the patent No. is CN97207587.9, by rear axle housing assembly, main gearbox assembly, differential assembly, semiaxis, brake wheel belt wheel hub assembly, brake assembly is formed, main gearbox assembly links to each other with rear axle housing assembly by bolt, semiaxis is meshed with differential assembly by spline, the flexible bearing of crossing is connected with rear axle housing assembly in the brake wheel belt wheel hub assembly, the outside links to each other with semiaxis with bolt, brake assembly is connected on the casing flange dish of rear axle housing assembly by bolt, key is that drg is an air pressure power cam spreading formula drg, the air chamber assembly is housed on rear axle housing assembly, the push rod of air chamber assembly becomes to be hinged with adjusting arm assembly, and adjusting arm assembly is meshed with the brake shoe expander of brake assembly by spline.Shortcomings such as employing air pressure power cam spreading formula drg though overcome the vapour lock of former hydraulic pressure power cam spreading formula drg, is not broken away from the shortcoming of traditional back axle, and such as the reason because of back axle, car trunk is less than normal, and grounding performance is not ideal enough.
Summary of the invention
The utility model mainly is to solve the reason of existing in prior technology because of back axle, and car trunk is less than normal, and the technical matters of the not ideal enough grade of grounding performance can increase trunk space thereby provide a kind of, improves the Wrest bar type back axle of grounding performance.
Above-mentioned technical matters of the present utility model is mainly solved by following technical proposals: comprise rear axle housing assembly, be arranged on brake assembly and drum brake mechanism belt wheel hub assembly on the rear axle housing assembly, adopt semi-independent formula suspension frame structure, in the back bridge girder of described rear axle housing assembly, be provided with Panhard rod, be provided with left back trailing arm and right back trailing arm at the two ends of this back bridge girder, on a left side, on one end of right back trailing arm vibration damper assembly is installed, on the other end, be connected with two sleeve pipes, be provided with bush Assembly in described sleeve pipe, described vibration damper assembly all is connected with vehicle body with bush Assembly.A left side, right back trailing arm becomes symmetrical structure on the whole, sleeve pipe is arranged on a left side, the end, the same side of right back trailing arm, vibration damper assembly and bush Assembly all have been connected to form the semi-independent formula suspension frame structure of whole back axle with vehicle body, vibration damper assembly and elastic body are arranged apart, reduced nonspring carried mass, increased trunk space, adopt the said structure can be simultaneously so that left and right wheels wheelspan and toeing-in camber angle when beating remain unchanged, reduce the unconventional wearing and tearing of wheel, and reduced bodywork height, improve the grounding performance of automobile, thereby further improved the enforcement performance and the travelling comfort of automobile.
As preferably, described left back trailing arm is made of left back trailing arm upper plate and left back trailing arm lower plate, and this left back trailing arm upper plate is provided with round tray; Described right back trailing arm is made of right back trailing arm upper plate and right back trailing arm lower plate, and this right back trailing arm upper plate is provided with round tray.The all upper and lower plate of left and right back trailing arm constitutes, and the round tray that is arranged on the upper plate is installed elastic body with one.
As preferably, on described pallet, be respectively arranged with elastic body, on described elastic body, be respectively arranged with the shock insulation pad, described elastic body is connected with vehicle body.Elastic body generally adopts spring structure, and elastic body is connected with vehicle body can be so that the damping effect of automobile be more obvious.
As preferably, described vibration damper assembly comprises that two bumpers are not arranged on the trailing arm of left and right back.Two bumpers be arranged on than elastic body more the back on trailing arm.
As preferably, the plane that bush Assembly center shaft and wheel center axle are constituted and the angle beta that symmetrical plane constituted of bush Assembly are 7.2 ° ± 3 °.Guaranteed automobile under the situation of semi-load, the bearing surface of lining has guaranteed the service life of lining on the symmetrical plane of lining.
As preferably, described Panhard rod is provided with the stabilizer rod gum cover.The stabilizer rod gum cover is in order to fixed lateral stabilizer rod and rear axle housing assembly.
The utility model adopts semi-independent formula suspension frame structure, and actv. has increased the space of baggage container, has reduced the unconventional wearing and tearing of wheel, has improved the grounding performance of automobile, exercises performance and travelling comfort.
Description of drawings
Accompanying drawing 1 is the utility model exploded perspective view;
Accompanying drawing 2 is a kind of structural representations of the utility model;
Accompanying drawing 3 is the another kind of structural representations of the utility model;
Accompanying drawing 4 is that the A of accompanying drawing 2 is to view;
Accompanying drawing 5 is the utility model Panhard rod structural representations;
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: as shown in Figure 1, be back bridge girder 1 in the centre of rear axle housing assembly, this back bridge girder 1 is the whippletree of strip, is respectively arranged with left back trailing arm 3 and right back trailing arm 4 at the two ends of this back bridge girder 1.Described left back trailing arm 3 is made of left back trailing arm upper plate 31 and left back trailing arm lower plate 32, and this left back trailing arm lower plate 32 is bending, and it is strong that wherein an end is wedge angle; These left back trailing arm upper plate 31 overall shapes are similar with left back trailing arm lower plate 32, are bending, and wherein an end is tip-angled shape, and the other end is provided with the pallet 33 of a circle, and an end that is provided with round tray 33 at described left back trailing arm 3 is provided with bumper pin 37; Described right back trailing arm 4 is made of right back trailing arm upper plate 41 and right back trailing arm lower plate 42, and this right back trailing arm lower plate 42 is bending, and it is strong that wherein an end is wedge angle; These right back trailing arm upper plate 41 overall shapes are similar with right back trailing arm lower plate 42, be bending, wherein an end is tip-angled shape, the other end is provided with the pallet 43 of a circle, an end that is provided with round tray 43 at described right back trailing arm 4 is provided with bumper pin 47, and left back on the whole trailing arm 3 and right back trailing arm 4 are the both sides symmetrical structure.An end that is tip-angled shape at left back trailing arm 3 is connected with a sleeve pipe 5, is provided with bush Assembly 7 in sleeve pipe 5, and this bush Assembly 7 is connected with vehicle body 9; An end that is tip-angled shape at right back trailing arm 4 is connected with a sleeve pipe 6, is provided with bush Assembly 8 in sleeve pipe 6, this bush Assembly 8 be connected with vehicle body 9 (referring to Fig. 2); Simultaneously as shown in Figure 4, the plane that bush Assembly 7,8 center shafts and wheel center axle are constituted and the angle beta that symmetrical plane constituted of bush Assembly 7,8 are 7.2 ° ± 3 °.
As shown in Figure 3, elastic body 34 is installed on pallet 33, this elastic body 34 is a spring, shock insulation pad 36 is installed on elastic body 34, described elastic body 34 is connected with vehicle body 9, bumper 36 is installed on the left back trailing arm 3 by bumper pin 37 simultaneously, is fixed with hexagon nut with flange and large washer, and this bumper 36 is connected with vehicle body 9; Elastic body 44 is installed on pallet 43 equally, this elastic body 44 is a spring, shock insulation pad 46 is installed on elastic body 44, described elastic body 44 is connected with vehicle body 9, bumper 46 is installed on the right back trailing arm 4 by bumper pin 47 simultaneously, fixed with hexagon nut with flange and large washer, this bumper 46 is connected with vehicle body 9.In rear axle housing assembly, be provided with simultaneously back axle brake assembly 11.Be provided with Panhard rod 2 in the back bridge girder 1 of described rear axle housing assembly, described Panhard rod 2 is provided with stabilizer rod gum cover 10 (referring to Fig. 5).
Claims (6)
1. Wrest bar type back axle, comprise rear axle housing assembly, be arranged on brake assembly and drum brake mechanism belt wheel hub assembly on the rear axle housing assembly, it is characterized in that adopting semi-independent formula suspension frame structure, in the back bridge girder (1) of described rear axle housing assembly, be provided with Panhard rod (2), be provided with left back trailing arm (3) and right back trailing arm (4) at the two ends of this back bridge girder (1), on a left side, on one end of right back trailing arm (3,4) vibration damper assembly is installed, on the other end, is connected with two sleeve pipes (5,6), in described sleeve pipe (5,6), be provided with bush Assembly (7,8), described vibration damper assembly and bush Assembly (7,8) all are connected with vehicle body (9).
2. Wrest bar type back axle according to claim 1 is characterized in that described left back trailing arm (3) is made of left back trailing arm upper plate (31) and left back trailing arm lower plate (32), and this left back trailing arm upper plate (31) is provided with round tray (33); Described right back trailing arm (4) is made of right back trailing arm upper plate (41) and right back trailing arm lower plate (42), and this right back trailing arm upper plate (41) is provided with round tray (43).
3. Wrest bar type back axle according to claim 1 and 2 is characterized in that being respectively arranged with elastic body (34 on described pallet (33,43), 44), on described elastic body (34,44), be respectively arranged with shock insulation pad (35,45), described elastic body (34,44) is connected with vehicle body (8).
4. Wrest bar type back axle according to claim 1 is characterized in that described vibration damper assembly comprises that two bumpers (36,46) are separately positioned on the left and right back trailing arm (3,4).
5. Wrest bar type back axle according to claim 1 is characterized in that the plane that bush Assembly (7,8) center shaft and wheel center axle are constituted and the angle beta that symmetrical plane constituted of bush Assembly (7,8) are 7.2 ° ± 3 °.
6. Wrest bar type back axle according to claim 1 is characterized in that described Panhard rod (2) is provided with stabilizer rod gum cover (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620105719 CN200939816Y (en) | 2006-07-17 | 2006-07-17 | Twisted beam rear axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620105719 CN200939816Y (en) | 2006-07-17 | 2006-07-17 | Twisted beam rear axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200939816Y true CN200939816Y (en) | 2007-08-29 |
Family
ID=38746001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620105719 Expired - Fee Related CN200939816Y (en) | 2006-07-17 | 2006-07-17 | Twisted beam rear axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200939816Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102211509A (en) * | 2010-04-12 | 2011-10-12 | 福特全球技术公司 | Rear wheel suspension with coil springs with an inclined reaction force axis |
| CN102358129A (en) * | 2011-07-05 | 2012-02-22 | 力帆实业(集团)股份有限公司 | Rear axle structure for vehicle |
| 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 |
-
2006
- 2006-07-17 CN CN 200620105719 patent/CN200939816Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102211509A (en) * | 2010-04-12 | 2011-10-12 | 福特全球技术公司 | Rear wheel suspension with coil springs with an inclined reaction force axis |
| CN102211509B (en) * | 2010-04-12 | 2016-06-29 | 福特全球技术公司 | A kind of rear wheel suspension of the helical spring of the line of force with inclination |
| CN102358129A (en) * | 2011-07-05 | 2012-02-22 | 力帆实业(集团)股份有限公司 | Rear axle structure for vehicle |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070829 Termination date: 20130717 |