CN205202650U - Light -weighted back torsion roof beam - Google Patents
Light -weighted back torsion roof beam Download PDFInfo
- Publication number
- CN205202650U CN205202650U CN201520881423.9U CN201520881423U CN205202650U CN 205202650 U CN205202650 U CN 205202650U CN 201520881423 U CN201520881423 U CN 201520881423U CN 205202650 U CN205202650 U CN 205202650U
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- trailing arm
- crossbeam
- longitudinal wall
- wheel hub
- torsion
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Abstract
The utility model discloses a light -weighted back torsion roof beam, including crossbeam, longitudinal wall, bearing, supporting spring seat and wheel hub mount pad, the longitudinal wall is the arc structure, and the top of longitudinal wall is connected with the bearing, and the bottom of longitudinal wall is connected with the wheel hub mount pad, and the cooperation setting that the supporting spring seat passes through the screw bolt and nut is on the longitudinal wall, the quantity of longitudinal wall is two, and two longitudinal walls symmetry sets up, and the distance between two longitudinal wall middle sections is less than two distances between the longitudinal wall top, the cross -section of crossbeam is the U -shaped structure, and the crossbeam includes entablature and bottom end rail, and the area of bottom end rail is greater than the area of entablature, and the both ends of crossbeam are connected with the longitudinal wall. The utility model discloses a go up bottom end rail area imbalance and curved longitudinal wall, under the circumstances of torsion -bar spring in the middle of not having, the torsion roof beam can fully be out of shape for torsion bar part commonly used in the back torsion roof beam assembly can be cancelled, reduces whole quality. Optimize the rigidity performance of back torsion roof beam to reduce manufacturing cost.
Description
Technical field
The utility model relates to automobile suspension system technical field, particularly torsion beam after a kind of weight-saving.
Background technology
In early days, rear torsion beam is as the core component in rear torsion beam type suspension, carry vehicle body carrying, vehicle uneven road surface function such as torsion when travelling, passing when designing torsion beam, consider that torsion beam travels at vehicle, the fatigue impact of the part deformation produced when particularly twisting, reverse load, needs to add a torsion bar spring at midway location, by improving rear-mounted torsional stiffness, the harmful effect such as axle fracture after ensureing not occur in actual travel process.The remarkable shortcoming being designed with middle torsion bar is the increase in the design weight of suspension, is unfavorable for lightweight requirements.Middle torsion bar is because of longer dimension, and need penetrate from side in actual assembly manufacture and weld at two, in manufacturing process, operation is arranged more difficult.
Utility model content
The utility model is for solving the problems of the technologies described above as providing a kind of without the need to middle torsion bar, low cost of manufacture, torsion beam after the weight-saving that rigidity property is good.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
Torsion beam after a kind of weight-saving, comprise crossbeam, trailing arm, supporting base, support spring seat and wheel hub mount, described trailing arm is arcuate structure, the top of trailing arm is connected with supporting base, the bottom of trailing arm is connected with wheel hub mount, and described support spring seat is equipped with on trailing arm by screw bolt and nut; The quantity of described trailing arm is two, and two trailing arms are symmetrical arranged, and the distance between two trailing arm stage casings is less than the distance between two trailing arm tops; The cross section of described crossbeam is U-shaped structure, and crossbeam comprises entablatrance and cross sill, and the area of described cross sill is greater than the area of entablatrance, and the two ends of described crossbeam are connected with trailing arm.
The utility model beneficial effect is: the trailing arm of and arc unequal by lower and upper cross-member area, when without middle torsion bar spring, torsion beam can be fully out of shape, parts of torsion bar conventional in rear torsion beam assembly is cancelled, make assembly integral more than Mass lost 3kg, improve the fuel economy of vehicle traveling and the service efficiency of electric energy electricity.The rigidity property of torsion beam after optimizing, and reduce manufacturing cost.
As a kind of preferred structure of the present utility model, in order to improve the problem that fracture occurs when crossbeam reverses excessive in actual use, the center of described crossbeam is greater than the distance of center to supporting base center of crossbeam to the distance at wheel hub mount center.By the position of reasonable Arrangement crossbeam, balanced crossbeam stressing conditions in actual use, ruptures when avoiding reversing excessive.
As a kind of preferred structure of the present utility model, the problem of larger torsion cannot be born in order to improve entablatrance and cross sill, the end face of described entablatrance and cross sill is arcuate structure, and the width in described entablatrance and cross sill stage casing is less than the width of entablatrance and cross sill both sides.Be arcuate structure by the end face of entablatrance and cross sill, strengthen the holding capacity of lower and upper cross-member, make lower and upper cross-member both sides can afford larger torsion.
As a kind of preferred structure of the present utility model, in order to improve the problem that between crossbeam and trailing arm, Joint strenght is not high, the stage casing of described trailing arm between entablatrance and cross sill, and is welded as a whole.So, be welded as a whole by trailing arm and lower and upper cross-member, strengthen the Joint strenght of weld, thus ensure that the quality of torsion beam.
As a kind of preferred structure of the present utility model, in order to improve the problem that wheel hub mount cannot accurately be connected with wheel hub, described wheel hub mount comprises wheel hub and installs locating surface, and the outside that locating surface is arranged on trailing arm installed by described wheel hub.By wheel hub, locating surface is installed, the setting accuracy of torsion beam can be improved, ensure its stability.
Accompanying drawing explanation
Fig. 1 is the structural representation of torsion beam after the utility model weight-saving.
Fig. 2 is the birds-eye view of torsion beam after the utility model weight-saving.
Label declaration:
1, crossbeam; 2, trailing arm; 3, supporting base; 4, support spring seat; 5, wheel hub mount.
Detailed description of the invention
By describing technology contents of the present utility model, structural attitude in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with embodiment.
Please with reference to Fig. 1 and Fig. 2, known as shown in the figure, after the utility model weight-saving, torsion beam comprises crossbeam 1, trailing arm 2, supporting base 3, support spring seat 4 and wheel hub mount 5, trailing arm 2 is arcuate structure, supporting base 3 is connected with the top of trailing arm 2, wheel hub mount 5 is connected with the bottom of trailing arm 2, support spring seat 4 is equipped with on trailing arm 2 by screw bolt and nut, supporting base 3 is for being connected with vehicle body, support spring seat 4 is for installing support spring, and wheel hub mount 5 is for being connected with wheel hub.The quantity of trailing arm 2 is two, and two trailing arm 2 specular are arranged, and the distance between two trailing arm 2 stage casings is less than the distance between two trailing arm 2 tops.The cross section of crossbeam 1 is U-shaped structure, and crossbeam 1 comprises entablatrance and cross sill, and the area of cross sill is greater than the area of entablatrance, and the two ends of crossbeam 1 are connected with trailing arm 2.The end face of entablatrance and cross sill is arcuate structure, and the width in entablatrance and cross sill stage casing is less than the width of entablatrance and cross sill both sides.Be arcuate structure by the end face of entablatrance and cross sill, strengthen the holding capacity of lower and upper cross-member, make lower and upper cross-member both sides can afford larger torsion.Because torsion beam is when vehicle travels at uneven road surface, can twist, traditional design often relies on middle torsion bar spring to improve rigidity and solves.Because crossbeam 1 is when torsion beam does twisting motion, upside is stressed slightly larger than downside, the utility model is designed to the upper structure do not lined up below by the crossbeam 1 connected centre, ensure that when without middle torsion bar spring, can fully be out of shape, avoid because of cancel middle torsion bar cause rear torsion beam reverse excessive time excessive compression on the upside of material, welded joint place cracking problem.
The stage casing of trailing arm 2 between entablatrance and cross sill, and is welded as a whole.By the arcuate structure of lower and upper cross-member, weld more, is welded as a whole by trailing arm 2 and lower and upper cross-member simultaneously, strengthens the Joint strenght of weld, crossbeam 1 is firmly connected with trailing arm 2, thus ensure that the quality of torsion beam.The center of crossbeam 2 is greater than the distance of center to supporting base 3 center of crossbeam 2 to the distance at wheel hub mount 5 center.By the position of reasonable Arrangement crossbeam 2, balanced crossbeam 2 stressing conditions in actual use, ruptures when avoiding reversing excessive.Wheel hub mount 5 comprises wheel hub and installs locating surface, and the outside that locating surface is arranged on trailing arm 2 installed by wheel hub.Locating surface installed by wheel hub is smooth side, installs locating surface, can improve the setting accuracy of torsion beam, ensure its stability by wheel hub.
In use procedure, wheel hub mount 5 is connected with automotive hub, supporting base 3 is connected with vehicle body, support spring is arranged on support spring seat 4, without the need to adding middle torsion bar in crossbeam 1, crossbeam 1 and trailing arm 2 are welded as a whole, and decrease the assembling of torsion bar, welding production operation, improve production efficiency.Directly using torsion beam as car chassis rear suspension system.The utility model is designed to the upper structure do not lined up below by the crossbeam 1 connected centre, ensure that when without middle torsion bar spring, fully can being out of shape, avoiding the situation because cancelling material on the upside of excessive compression when middle torsion bar causes rear torsion beam to reverse excessive to occur.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification sheets and accompanying drawing content to do equivalent shapes or Structural Transformation; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (5)
1. torsion beam after a weight-saving, comprise crossbeam, trailing arm, supporting base, support spring seat and wheel hub mount, it is characterized in that: described trailing arm is arcuate structure, the top of trailing arm is connected with supporting base, the bottom of trailing arm is connected with wheel hub mount, and described support spring seat is equipped with on trailing arm by screw bolt and nut;
The quantity of described trailing arm is two, and two trailing arms are symmetrical arranged, and the distance between two trailing arm stage casings is less than the distance between two trailing arm tops;
The cross section of described crossbeam is U-shaped structure, and crossbeam comprises entablatrance and cross sill, and the area of described cross sill is greater than the area of entablatrance, and the two ends of described crossbeam are connected with trailing arm.
2. torsion beam after weight-saving according to claim 1, is characterized in that: the center of described crossbeam is greater than the distance of center to supporting base center of crossbeam to the distance at wheel hub mount center.
3. torsion beam after weight-saving according to claim 1, is characterized in that: the end face of described entablatrance and cross sill is arcuate structure, the width in described entablatrance and cross sill stage casing is less than the width of entablatrance and cross sill both sides.
4. torsion beam after weight-saving according to claim 3, is characterized in that: the stage casing of described trailing arm between entablatrance and cross sill, and is welded as a whole.
5. torsion beam after weight-saving according to claim 1, is characterized in that: described wheel hub mount comprises wheel hub and installs locating surface, and the outside that locating surface is arranged on trailing arm installed by described wheel hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520881423.9U CN205202650U (en) | 2015-11-06 | 2015-11-06 | Light -weighted back torsion roof beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520881423.9U CN205202650U (en) | 2015-11-06 | 2015-11-06 | Light -weighted back torsion roof beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205202650U true CN205202650U (en) | 2016-05-04 |
Family
ID=55840387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520881423.9U Active CN205202650U (en) | 2015-11-06 | 2015-11-06 | Light -weighted back torsion roof beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205202650U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107985002A (en) * | 2017-12-15 | 2018-05-04 | 阿尔特汽车技术股份有限公司 | Torsion beam welding assembly structure |
| CN111619302A (en) * | 2020-06-01 | 2020-09-04 | 奇瑞汽车股份有限公司 | Torsion beam structure of automobile |
-
2015
- 2015-11-06 CN CN201520881423.9U patent/CN205202650U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107985002A (en) * | 2017-12-15 | 2018-05-04 | 阿尔特汽车技术股份有限公司 | Torsion beam welding assembly structure |
| CN107985002B (en) * | 2017-12-15 | 2024-03-08 | 阿尔特汽车技术股份有限公司 | Torsion beam welding assembly structure |
| CN111619302A (en) * | 2020-06-01 | 2020-09-04 | 奇瑞汽车股份有限公司 | Torsion beam structure of automobile |
| CN111619302B (en) * | 2020-06-01 | 2022-06-10 | 奇瑞汽车股份有限公司 | Torsion beam structure of automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 351100 west side of LiHan Road, Jiangxi town, Jiangkou Town, Hanjiang District, Putian, Fujian, China Patentee after: Yundu New Energy Vehicle Co.,Ltd. Address before: 351100 west side of LiHan Road, Jiangxi town, Jiangkou Town, Hanjiang District, Putian, Fujian, China Patentee before: Yundu New Energy Automobile Co.,Ltd. Address after: 351100 west side of LiHan Road, Jiangxi town, Jiangkou Town, Hanjiang District, Putian, Fujian, China Patentee after: Yundu New Energy Automobile Co.,Ltd. Address before: 351100 west side of LiHan Road, Jiangxi town, Jiangkou Town, Hanjiang District, Putian, Fujian, China Patentee before: FJ MOTOR GROUP, YUDO NEW-ENERGY AUTOMOBILE Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |