CN203766426U - Rear trailing arm assembly for full electric vehicle - Google Patents
Rear trailing arm assembly for full electric vehicle Download PDFInfo
- Publication number
- CN203766426U CN203766426U CN201420071802.7U CN201420071802U CN203766426U CN 203766426 U CN203766426 U CN 203766426U CN 201420071802 U CN201420071802 U CN 201420071802U CN 203766426 U CN203766426 U CN 203766426U
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- CN
- China
- Prior art keywords
- gum cover
- rear metal
- trailing arm
- electric vehicle
- metal gum
- 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
Links
- 239000002184 metal Substances 0.000 claims description 60
- 229920001971 elastomer Polymers 0.000 claims description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 2
- 229920001967 Metal rubber Polymers 0.000 abstract 11
- 238000000034 method Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 244000043261 Hevea brasiliensis Species 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- 238000005987 sulfurization reaction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Vehicle Body Suspensions (AREA)
Abstract
The utility model provides a rear trailing arm assembly for a full electric vehicle. The rear trailing arm assembly comprises a housing (2), a front metal rubber sleeve (1), a first rear metal rubber sleeve (31) and a second rear metal rubber sleeve (32), wherein the structure of the first rear metal rubber sleeve (31) is the same with the structure of the second rear metal rubber sleeve (32),the first rear metal rubber sleeve (31) is positioned between the front metal rubber sleeve (1) and the second rear metal rubber sleeve (32), and a triangular structure is formed by mounting points of the front metal rubber sleeve (1), the first rear metal rubber sleeve (31) and the second rear metal rubber sleeve (32), so that the strength and the torsion resistance capability of a rear trailing arm are increased; the housing (2) is formed by stamping high-strength plates, and the fracture plane is n-shaped. Compared with the prior art, therear trailing arm assembly for the full electric vehicle, provided by the utility model, has the advantages that the structure is simple, the weight is light, the strength is high, the reliability is good, materials are saved, the manufacturing technique is simple, the manufacturing cost of an electric vehicle is reduced, and the whole vehicle dynamic property and the endurance mileage indicator of the full electric vehicle are improved.
Description
Technical field
The utility model belongs to vehicle technology field, relates to a kind of battery-driven car parts, especially a kind of rear trailing arm assembly being arranged in low speed pure electric vehicle rear suspension assembly.
Background technology
Rear trailing arm assembly is safety member important in chassis system, for connecting vehicle body and back axle, transmits the force and moment between wheel and vehicle body, keeps wheel to beat by the relative vehicle body of certain movement track simultaneously.In existing low speed pure electric vehicle industry, vehicle chassis component is in most cases the chassis platform part of directly using corresponding with it traditional fuel oil vehicle.Traditional rear trailing arm is welded by a plurality of blanked parts, and structure and manufacture are complicated, and development cost are higher.The patent No. is 200820060138.0, and the Chinese utility model that name is called " passenger car longitudinal arm " discloses a kind of automobile longitudinal arm, and this trailing arm is applicable to the manned vehicle that requirement of strength is higher.Because the maximum speed of low speed pure electric vehicle is far below traditional fuel oil vehicle.Therefore, low-speed electronic car requires lower for the structural strength of vehicle chassis component.It is more than needed that battery-driven car adopts its intensity of traditional trailing arm to have, and causes waste, and can increase vehicle body gross weight, thereby reduce complete vehicle curb weight, reduced dynamic property and the course continuation mileage index of car load.
Utility model content
For the deficiencies in the prior art, the technical problems to be solved in the utility model be to provide a kind of lightweight, intensity is high, trailing arm assembly after the low speed pure electric vehicle of good reliability.
Trailing arm assembly after pure electric vehicle, comprise housing (2), front metal gum cover (1), the first rear metal gum cover (31) and the second rear metal gum cover (32), the first rear metal gum cover (31) is identical with the second rear metal gum cover (32) structure, and the first rear metal gum cover (31) is between front metal gum cover (1) and the second rear metal gum cover (32); The attachment point of described front metal gum cover (1), the first rear metal gum cover (31) and the second rear metal gum cover (32) forms a triangular structure, has increased intensity and the anti-twisting property of rear trailing arm; Described housing (2) is stamped to form by high-strength plate, and section is " several " font.
Preferably, the thick 2.5mm of high strength plate of described housing (2), described " several " font base maximum width is 44mm.
In order to be used for assembling parking brake cable, square weld nut (4) in described " several " font inner walls.
Described front metal gum cover (1) comprises inner sleeve (6) from inside to outside successively, rubber layer (5), sleeve pipe (7) and outer tube (8).
Preferably, described front metal gum cover (1) is 568.5 ± 0.5mm to the line of centers horizontal throw of the second rear metal gum cover (32), vertical distance is 5 ± 0.1mm, described the first rear metal gum cover (31) is 122.4 ± 0.3mm with the line of centers horizontal throw of described the second rear metal gum cover (32), and vertical distance is 16.7 ± 0.1mm.
Preferably, the external diameter of described inner sleeve (6) and wall thickness dimension are: Φ 26 * 7mm, length 65mm; Inner sleeve (6) end face is the band flank of tooth, and object is tightly pressed in inner sleeve on subframe support by bolt and nut thrust exactly, prevents that inner sleeve from rotating with trailing arm; External diameter and the wall thickness dimension of described outer tube (8) are: Φ 63 * 3mm, length is 46mm.Add man-hour, together with first natural rubber being arrived with sleeve pipe (7), inner sleeve (6) sulfuration, form rubber layer (5).Then inner sleeve (6), rubber layer (5) and sleeve pipe (7) integral body are pressed in outer tube (8).
Preferably, the front and back end of rubber layer (5) is provided with space and the outstanding reinforcing rib structure of perforation, has improved rigidity and the twisting property of rubber.
The first rear metal gum cover (31) and the second rear metal gum cover (32) are similar with the structure of front metal gum cover (1), comprise successively from inside to outside inner sleeve, rubber layer, sleeve pipe and outer tube.Preferably, its outer tube is of a size of: Φ 58 * 3mm, length 41mm; Inner sleeve is of a size of: Φ 19 * 3.5mm, length 60mm.
Compared with prior art, after the pure electric vehicle that the utility model provides, trailing arm assembly structure is simple, lightweight, intensity is high, good reliability, save material, manufacturing process is simple, has reduced battery-driven car productive costs, has improved dynamic property and the course continuation mileage index of pure electric vehicle car load.
Accompanying drawing explanation
The main TV structure schematic diagram of trailing arm assembly after Fig. 1 the utility model pure electric vehicle;
Trailing arm assembly plan structure schematic diagram after Fig. 2;
After Fig. 3, trailing arm assembly is looked up structural representation;
Fig. 4 is A-A housing section structure schematic diagram in Fig. 1;
Fig. 5 is B-B section sectional structure schematic diagram in Fig. 1;
Fig. 6 is the structural representation of front metal gum cover.
The specific embodiment
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, trailing arm assembly after pure electric vehicle, comprise housing 2, front metal gum cover 1 and two rear metal gum covers that structure is identical: the first rear metal gum cover 31 and the rear metal gum cover 31 of the second rear metal gum cover 32, the first are between front metal gum cover 1 and the second rear metal gum cover 32; The attachment point of the rear metal gum cover 31 of described front metal gum cover 1, first and the second rear metal gum cover 32 forms a triangular structure, has increased intensity and the anti-twisting property of rear trailing arm; Described housing 2 is stamped to form by high-strength plate, and section is " several " font.
As shown in Figure 3, in order to be used for assembling parking brake cable, square weld nut 4 in described " several " font inner walls.Described front metal sleeve 1 is arranged on after vehicle body on trailing arm support, and described the first rear metal gum cover 31 and the second rear metal gum cover 32 are connected on back axle.
The thick 2.5mm of high strength plate of described housing 2, as shown in Figure 4, described " several " font base maximum width 44mm.The housing 2 of this structure has alleviated weight, the structural strength of trailing arm after guaranteeing again, the bending-twisting combination ability of trailing arm after effectively increasing.Improve vehicle security, stability, traveling comfort and ride comfort.
As shown in Figure 5 and Figure 6, described front metal gum cover 1 comprises inner sleeve 6 from inside to outside successively, rubber layer 5, sleeve pipe 7 and outer tube 8.
Described front metal gum cover 1 is 568.5 ± 0.5mm to the line of centers horizontal throw of the rear metal gum cover 32 of trailing arm second, vertical distance is 5 ± 0.1mm, described the first rear metal gum cover (31) is 122.4 ± 0.3mm with the line of centers horizontal throw of described the second rear metal gum cover (32), and vertical distance is 16.7 ± 0.1mm.
The external diameter of described inner sleeve 6 and wall thickness dimension are: Φ 26 * 7mm, length 65mm; Inner sleeve 6 end faces are the band flank of tooth, and object is tightly pressed in inner sleeve on subframe support by bolt and nut thrust exactly, prevents that inner sleeve from rotating with trailing arm; External diameter and the wall thickness dimension of described outer tube (8) are: Φ 63 * 3mm, length 46mm.Add man-hour, together with first natural rubber being arrived with sleeve pipe 7, inner sleeve 6 sulfurations, form rubber layer 5, then inner sleeve 6, rubber layer 5 and sleeve pipe 7 integral body are pressed in outer tube 8.
As shown in Figure 6, the front and back end of rubber layer 5 is provided with space and the outstanding reinforcing rib structure of perforation, has improved rigidity and the twisting property of rubber.
The first rear metal gum cover 31 and the structure of the second rear metal gum cover 32 and the structure of front metal gum cover 1 are similar, comprise successively from inside to outside inner sleeve, rubber layer, sleeve pipe and outer tube.Preferably, the outer tube of rear metal gum cover 31 is of a size of: Φ 58 * 3mm, length 41mm; Inner sleeve is of a size of: Φ 19 * 3.5mm, length 60mm.
Claims (8)
1. trailing arm assembly after pure electric vehicle, it is characterized in that, comprise housing (2), front metal gum cover (1), the first rear metal gum cover (31) and the second rear metal gum cover (32), the first rear metal gum cover (31) is identical with the second rear metal gum cover (32) structure, and the first rear metal gum cover (31) is between front metal gum cover (1) and the second rear metal gum cover (32); The attachment point of described front metal gum cover (1), the first rear metal gum cover (31) and the second rear metal gum cover (32) forms a triangular structure; Described housing (2) is stamped to form by high-strength plate, and section is " several " font.
2. trailing arm assembly after pure electric vehicle according to claim 1, is characterized in that, the thick 2.5mm of high strength plate of described housing (2), and described " several " font base maximum width is 44mm.
3. trailing arm assembly after pure electric vehicle according to claim 1, is characterized in that, square weld nut (4) in described " several " font inner walls.
4. trailing arm assembly after pure electric vehicle according to claim 1, is characterized in that, described front metal gum cover (1) comprises inner sleeve (6) from inside to outside successively, rubber layer (5), sleeve pipe (7) and outer tube (8).
5. trailing arm assembly after pure electric vehicle according to claim 4, it is characterized in that, described front metal gum cover (1) is 568.5 ± 0.5mm to the line of centers horizontal throw of the second rear metal gum cover (32), vertical distance is 5 ± 0.1mm, described the first rear metal gum cover (31) is 122.4 ± 0.3mm with the line of centers horizontal throw of described the second rear metal gum cover (32), and vertical distance is 16.7 ± 0.1mm.
6. trailing arm assembly after pure electric vehicle according to claim 5, is characterized in that, external diameter and the wall thickness dimension of described inner sleeve (6) are: Φ 26 * 7mm, length 65mm; Inner sleeve (6) end face is the band flank of tooth; External diameter and the wall thickness dimension of described outer tube (8) are: Φ 63 * 3mm, length is 46mm.
7. trailing arm assembly after pure electric vehicle according to claim 6, is characterized in that, the front and back end of described rubber layer (5) is provided with space and the outstanding reinforcing rib structure of perforation.
8. trailing arm assembly after pure electric vehicle according to claim 7, is characterized in that, the first rear metal gum cover (31) and the second rear metal gum cover (32) comprise inner sleeve from inside to outside successively, rubber layer, sleeve pipe and outer tube, its outer tube is of a size of: Φ 58 * 3mm, length 41mm; Inner sleeve is of a size of: Φ 19 * 3.5mm, length 60mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420071802.7U CN203766426U (en) | 2014-02-19 | 2014-02-19 | Rear trailing arm assembly for full electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420071802.7U CN203766426U (en) | 2014-02-19 | 2014-02-19 | Rear trailing arm assembly for full electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203766426U true CN203766426U (en) | 2014-08-13 |
Family
ID=51283663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420071802.7U Expired - Lifetime CN203766426U (en) | 2014-02-19 | 2014-02-19 | Rear trailing arm assembly for full electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203766426U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110816188A (en) * | 2019-12-04 | 2020-02-21 | 北京汽车集团越野车有限公司 | Rear trailing arm structure and automobile |
-
2014
- 2014-02-19 CN CN201420071802.7U patent/CN203766426U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110816188A (en) * | 2019-12-04 | 2020-02-21 | 北京汽车集团越野车有限公司 | Rear trailing arm structure and automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Chen Bingwu Document name: Decision of the request for invalidation |