CN112339861A - Automobile body rear portion force transmission structure and car - Google Patents
Automobile body rear portion force transmission structure and car Download PDFInfo
- Publication number
- CN112339861A CN112339861A CN202011096774.0A CN202011096774A CN112339861A CN 112339861 A CN112339861 A CN 112339861A CN 202011096774 A CN202011096774 A CN 202011096774A CN 112339861 A CN112339861 A CN 112339861A
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- rear wheel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/11—Understructures, i.e. chassis frame on which a vehicle body may be mounted with resilient means for suspension, e.g. of wheels or engine; sub-frames for mounting engine or suspensions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/16—Mud-guards or wings; Wheel cover panels
- B62D25/163—Mounting devices
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention belongs to the technical field of automobile bodies and relates to an automobile body rear force transmission structure and an automobile. According to the force transmission structure at the rear part of the vehicle body, the force transmission channel in the H shape on the inner side covers the force bearing area of the rear suspension and transmits force to the rear longitudinal beam joint, the rear floor beam, the spare tire pool beam and the upper part of the rear side wall in a dispersing manner, so that the force transmission efficiency of the rear suspension area (particularly the three-connecting-rod rear suspension area) is greatly improved, and the dynamic stiffness, NVH performance and fatigue durability of the rear shock absorber area are improved. The application is suitable for the motorcycle type of suspension behind steel-aluminum hybrid vehicle body matching three-link. Under the condition that a floor frame beam structure is not added, after the force transmission structure at the rear part of the vehicle body is adopted, the weight of the vehicle body can be reduced by about 3 kg.
Description
Technical Field
The invention belongs to the technical field of vehicle bodies, and particularly relates to a force transmission structure at the rear part of a vehicle body and an automobile.
Background
At present, a steel-aluminum hybrid vehicle body matched with a three-link rear suspension chassis structure does not exist basically, and most of the steel-aluminum hybrid vehicle body is based on a multi-link suspension structure. The vehicle body structure based on the multi-link suspension structure is expensive in cost, the NVH performance improvement usually needs to be achieved by adding a frame beam structure, the weight of the whole vehicle is increased, and the lightweight is not facilitated.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the problems that the existing vehicle body structure based on a multi-connecting-rod suspension structure is increased in NVH performance, a frame beam structure is often required to be added, and the weight of the whole vehicle is increased, a force transmission structure at the rear part of a vehicle body and the vehicle are provided.
In order to solve the technical problems, on one hand, the embodiment of the invention provides a force transmission structure at the rear part of a vehicle body, which comprises a rear suspension mounting part, a rear wheel casing internal reinforcing plate, a rear wheel casing front joint, a rear wheel casing rear joint, a rear wheel casing external reinforcing plate, a rear wheel casing inner plate, a rear wheel casing outer plate and a rear longitudinal beam joint;
the rear wheel casing planking is connected the outside of rear wheel casing inner panel, rear overhang installed part, the inside reinforcing plate of rear wheel casing, rear wheel casing front connector and rear wheel casing rear connector are connected the inboard of rear wheel casing inner panel, rear wheel casing front connector and rear wheel casing rear connector are connected the top side that the back longeron connects, the bottom of rear overhang installed part is connected the top of the inside reinforcing plate of rear wheel casing, rear wheel casing front connector and rear wheel casing rear connector are connected the bottom of the inside reinforcing plate of rear wheel casing, with this rear overhang installed part, the inside reinforcing plate of rear wheel casing, the overall structure that rear wheel casing front connector and rear wheel casing rear connector formed connect with form inboard "H" shape biography power passageway between the rear wheel casing inner panel.
Optionally, a local raised channel protruding outwards is arranged on the outer plate of the rear wheel cover, the external reinforcing plate of the rear wheel cover is connected to the outer side of the local raised channel, so that an outer-side a-shaped force transmission channel is formed between the external reinforcing plate of the rear wheel cover and the local raised channel, and the inner-side H-shaped force transmission channel is opposite to the outer-side a-shaped force transmission channel.
Optionally, the force transfer structure at the rear of the vehicle body further comprises a rear floor cross member, and one end of the rear floor cross member is connected to the inner side of the rear longitudinal beam joint.
Optionally, the rear floor beam is an extruded aluminum alloy beam.
Optionally, the force transfer structure at the rear part of the vehicle body further comprises a rear spare tire pool cross beam, one end of the rear spare tire pool cross beam is connected to the inner side of the rear longitudinal beam joint, and the rear spare tire pool cross beam is located behind the rear floor cross beam.
Optionally, the cross beam of the spare tire car is an inverted.
Optionally, the rear overhang mounting spare includes rear overhang mounting panel and rear overhang mounting reinforcing plate, rear overhang mounting reinforcing plate is connected the inboard of rear wheel casing inner panel, rear overhang mounting panel is connected deviating from of rear overhang mounting reinforcing plate one side of rear wheel casing inner panel.
Optionally, the front side of the rear overhang mounting reinforcing plate forms a front vertical protrusion protruding inwards, and the rear side of the rear overhang mounting reinforcing plate forms a rear vertical protrusion protruding inwards;
the inner wheel casing reinforcing plate comprises a transverse portion, a front vertical portion and a rear vertical portion, the transverse portion extends along the front-rear direction of the automobile, the top end of the front vertical portion and the bottom end of the front vertical protrusion are connected to the front end of the transverse portion, the bottom end of the front vertical portion is connected to the front joint of the rear wheel casing, the top end of the rear vertical portion and the bottom end of the rear vertical protrusion are connected to the rear end of the transverse portion, the bottom end of the rear vertical portion is connected to the rear wheel casing rear joint, the front vertical protrusion, the rear vertical protrusion, the transverse portion, the front vertical portion, the rear vertical portion, the front joint of the rear wheel casing and the rear wheel casing rear joint are combined to form an H-shaped protruding structure, and the H-shaped protruding structure covers the inner side of the inner wheel casing inner plate to form an inner H-shaped force transmission channel.
Optionally, the rear wheel casing external reinforcing plate is "a" font, the local protruding channel has "eight" font structure, the bottom of the rear wheel casing external reinforcing plate with the top of "eight" font structure is met.
Optionally, two weight-reducing holes separated from each other up and down are formed in the rear wheel cover outer reinforcing plate.
According to the force transmission structure at the rear part of the vehicle body, the rear suspension installation part is used for installing a rear suspension (such as a three-link rear suspension), and an inner H-shaped force transmission channel is formed between the rear suspension installation part, the rear wheel cover inner reinforcing plate, the rear wheel cover front joint and the rear wheel cover rear joint which are connected into an integral structure and the rear wheel cover inner plate. Therefore, the inner H-shaped force transmission channel covers a rear suspension stressed area and transmits force to the rear longitudinal beam joint, the rear floor beam, the spare tire pool beam and the upper part of the rear side wall in a dispersing manner, so that the force transmission efficiency of the rear suspension area (particularly the three-connecting-rod rear suspension area) is greatly improved, and the dynamic stiffness, NVH performance and fatigue durability of the rear shock absorber area are improved. The application is suitable for the motorcycle type of suspension behind steel-aluminum hybrid vehicle body matching three-link. Under the condition that a floor frame beam structure is not increased, the lifting optimization design is carried out on the power channel, the dynamic stiffness of each hard point in a rear suspension area is greatly improved, and the weight of a vehicle body can be greatly reduced while the NVH performance and the fatigue durability are improved. Through calculation, after the force transmission structure at the rear part of the vehicle body is adopted, the weight of the vehicle body can be reduced by about 3kg, and about 4 parts can be saved by combining the design characteristic of high integration of a steel-aluminum mixed vehicle body structure.
In another aspect, an embodiment of the present invention provides an automobile, which includes the force transmission structure at the rear of the automobile body.
Drawings
Fig. 1 is a perspective view of a force transfer structure at the rear of a vehicle body according to an embodiment of the present invention;
FIG. 2 is an exploded view of a force transfer structure at the rear of a vehicle body according to an embodiment of the present invention;
FIG. 3 is a front side view of a force transfer structure at the rear of a vehicle body according to an embodiment of the invention;
FIG. 4 is an inside view of a force transfer structure at the rear of a vehicle body according to an embodiment of the present invention;
fig. 5 is an outside view of a force transfer structure at the rear of a vehicle body according to an embodiment of the present invention.
The reference numerals in the specification are as follows:
1. a rear suspension mounting plate; 2. a reinforcing plate is installed on the rear suspension; 21. a front vertical protrusion; 22. a rear vertical projection; 3. a rear wheel cover inner reinforcing plate; 31. a transverse portion; 32. a front vertical portion; 33. a rear vertical portion; 4. a rear wheel cover front joint; 5. a rear wheel cover front joint; 6. a rear wheel cover outer reinforcement plate; 61. lightening holes; 7. a rear wheel house inner panel; 8. a rear wheel house outer plate; 81. a local raised channel; 9. a rear stringer joint; 10. a rear floor beam; 11. and a rear spare wheel pool cross beam.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the embodiment of the present invention, the left-right direction (Y direction) is the vehicle width direction, the front-rear direction (X direction) is the vehicle length direction, the up-down direction (Z direction) is the vehicle height direction, the inner side indicates the direction toward the inside of the vehicle, and the outer side indicates the direction toward the outside of the vehicle.
As shown in fig. 1 to 5, a force transmission structure at the rear of a vehicle body according to an embodiment of the present invention includes a rear suspension mounting member, a rear wheel house inner reinforcing plate 3, a rear wheel house front joint 4, a rear wheel house rear joint 5, a rear wheel house outer reinforcing plate 6, a rear wheel house inner plate 7, a rear wheel house outer plate 8, and a rear side member joint 9. Rear overhang installed part hangs installation reinforcing plate 2 including rear overhang mounting panel 1 and rear overhang, rear overhang installation reinforcing plate 2 is connected the inboard of rear wheel casing inner panel 7, rear overhang mounting panel 1 is connected deviating from of rear overhang installation reinforcing plate 2 one side of rear wheel casing inner panel 7.
Rear wheel casing planking 8 is connected the outside of rear wheel casing inner panel 7, rear overhang installed part, the inside reinforcing plate of rear wheel casing 3, rear wheel casing front joint 4 and rear wheel casing rear joint 5 are connected the inboard of rear wheel casing inner panel 7, rear wheel casing front joint 4 and rear wheel casing rear joint 5 are connected the top side of back longeron joint 9, the bottom of rear overhang installed part is connected the top of the inside reinforcing plate of rear wheel casing 3, rear wheel casing front joint 4 and rear wheel casing rear joint 5 are connected the bottom of the inside reinforcing plate of rear wheel casing 3 is in with this rear overhang installed part, the inside reinforcing plate of rear wheel casing 3, the overall structure that rear wheel casing front joint 4 and rear wheel casing rear joint 5 connect and form inboard "H" shape "biography power passageway between the rear wheel casing inner panel 7.
The rear wheel cover outer plate 8 is provided with a local bulge channel 81 protruding outwards, the rear wheel cover external reinforcing plate 6 is connected to the outer side of the local bulge channel 81, so that an outer side A-shaped force transmission channel is formed between the rear wheel cover external reinforcing plate 6 and the local bulge channel 81, and the inner side H-shaped force transmission channel is opposite to the outer side A-shaped force transmission channel.
In one embodiment, the force transfer structure at the rear part of the vehicle body further comprises a rear floor cross member 10, and one end of the rear floor cross member 10 is connected to the inner side of the rear longitudinal beam joint 9. Preferably, the rear floor cross member 10 is an extruded aluminum alloy beam, for example, a profiled double-mouth extruded aluminum alloy beam.
In an embodiment, the force transmission structure at the rear of the vehicle body further includes a rear spare tire pool cross beam 11, one end of the rear spare tire pool cross beam 11 is connected to the inner side of the rear longitudinal beam joint 9, and the rear spare tire pool cross beam 11 is located behind the rear floor cross beam 10. Preferably, the cross beam 11 of the spare tire car is an inverted.
The rear wheel casing front joint 4 is directly connected with a rear longitudinal beam joint 9 and communicated with a rear floor beam 10 through a rear longitudinal beam structure, and the rear wheel casing rear joint 5 is directly connected with the rear longitudinal beam joint 9 and communicated with a spare tire pool beam 11 through the rear longitudinal beam structure.
The rear wheel casing inner plate 7 and the rear wheel casing outer plate 8 are combined into a rear wheel casing. The rear longitudinal beam joint 9 is of a cast aluminum alloy structure in the Y-direction drawing direction, the X-direction covers the rear portion of the threshold to the rear portion of the rear wheel cover, a rear longitudinal beam cross beam connector is arranged at the front portion of the inner side, and a rear spare tire pool cross beam connector is arranged at the rear portion of the inner side. One end of the rear floor beam 10 is welded on a rear longitudinal beam connector, and one end of the rear spare tire pool beam 11 is welded on a rear spare tire pool beam connector.
The connection between the rear suspension mounting plate 1, the rear suspension mounting reinforcing plate 2, the rear wheel cover internal reinforcing plate 3, the rear wheel cover front joint 4, the rear wheel cover rear joint 5, the rear wheel cover external reinforcing plate 6, the rear wheel cover plate 7 and the rear wheel cover outer plate 8 can adopt spot welding.
The rear wheel casing front joint 4, the rear wheel casing rear joint 5, the rear floor beam 10 and the spare tire pool beam 11 can be connected to the rear longitudinal beam joint 9 in a riveting mode. FDS riveting (hot melt self tapping riveting) is preferably used.
In one embodiment, the front side of the rear overhang mounting plate 2 forms an inwardly projecting front vertical projection 21, and the rear side of the rear overhang mounting plate 2 forms an inwardly projecting rear vertical projection 22.
The rear inner wheel house inner reinforcement plate 3 includes a lateral portion 31, a front vertical portion 32 and a rear vertical portion 33, the transverse portion 31 extends in the front-rear direction of the vehicle, the top end of the front vertical portion 32 and the bottom end of the front vertical protrusion 21 are connected to the front end of the transverse portion 31, the bottom end of the front vertical part 32 is connected to the front joint 4 of the rear wheel cover, the top end of the rear vertical part 33 and the bottom end of the rear vertical bulge 22 are connected to the rear end of the transverse part 31, the bottom end of the rear vertical part 33 is connected to the rear wheel casing rear joint 5, the front vertical protrusion 21, the rear vertical protrusion 22, the transverse part 31, the front vertical part 32, the rear vertical part 33, the rear wheel casing front joint 4 and the rear wheel casing rear joint 5 are combined to form an H-shaped protruding structure, the H-shaped protruding structure covers the inner side of the rear wheel cover inner plate 7 to form the inner H-shaped force transmission channel.
In one embodiment, the rear wheel cover outer reinforcement plate 6 is "a" shaped, the local raised channel 81 has a "figure eight" shaped structure, and the bottom end of the rear wheel cover outer reinforcement plate 6 is connected to the top end of the "figure eight" shaped structure to form the outer "a" shaped force transmission channel.
In one embodiment, the rear wheel cover outer reinforcement plate 6 is provided with two weight-reducing holes 61 separated from each other up and down to further reduce the weight of the whole vehicle.
According to the force transmission structure at the rear part of the vehicle body, the rear suspension installation part is used for installing a rear suspension (such as a three-connecting-rod rear suspension), an inner side H-shaped force transmission channel is formed between the rear suspension installation part, the rear wheel cover inner reinforcing plate, the rear wheel cover front joint and the rear wheel cover rear joint which are connected into an integral structure and a rear wheel cover inner plate, an outer side A-shaped force transmission channel is formed between the rear wheel cover outer reinforcing plate and a local convex channel which is arranged on the rear wheel cover outer plate and protrudes outwards, and the inner side H-shaped force transmission channel is opposite to the outer side A-shaped force transmission channel in the inner and outer directions. Therefore, the inner H-shaped force transmission channel and the outer A-shaped force transmission channel are mutually responsive, the stress area of the rear suspension is covered, force is dispersedly transmitted to the rear longitudinal beam joint, the rear floor beam, the spare tire pool beam and the upper part of the rear side wall, the force transmission efficiency of the rear suspension area (particularly the three-connecting-rod rear suspension area) is greatly improved, and the dynamic stiffness, NVH performance and fatigue durability of the rear shock absorber area are improved. The application is suitable for the motorcycle type of suspension behind steel-aluminum hybrid vehicle body matching three-link. Under the condition that a floor frame beam structure is not increased, the lifting optimization design is carried out on the power channel, the dynamic stiffness of each hard point in a rear suspension area is greatly improved, and the weight of a vehicle body can be greatly reduced while the NVH performance and the fatigue durability are improved. Through calculation, after the force transmission structure at the rear part of the vehicle body is adopted, the weight of the vehicle body can be reduced by about 3kg, and about 4 parts can be saved by combining the design characteristic of high integration of a steel-aluminum mixed vehicle body structure.
In addition, the embodiment of the invention provides an automobile, which comprises the force transmission structure at the rear part of the automobile body of the embodiment.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (11)
1. A force transmission structure at the rear part of a vehicle body is characterized by comprising a rear overhang mounting part, a rear wheel casing internal reinforcing plate, a rear wheel casing front joint, a rear wheel casing rear joint, a rear wheel casing external reinforcing plate, a rear wheel casing inner plate, a rear wheel casing outer plate and a rear longitudinal beam joint;
the rear wheel casing planking is connected the outside of rear wheel casing inner panel, rear overhang installed part, the inside reinforcing plate of rear wheel casing, rear wheel casing front connector and rear wheel casing rear connector are connected the inboard of rear wheel casing inner panel, rear wheel casing front connector and rear wheel casing rear connector are connected the top side that the back longeron connects, the bottom of rear overhang installed part is connected the top of the inside reinforcing plate of rear wheel casing, rear wheel casing front connector and rear wheel casing rear connector are connected the bottom of the inside reinforcing plate of rear wheel casing, with this rear overhang installed part, the inside reinforcing plate of rear wheel casing, the overall structure that rear wheel casing front connector and rear wheel casing rear connector formed connect with form inboard "H" shape biography power passageway between the rear wheel casing inner panel.
2. The force transmission structure at the rear part of a vehicle body according to claim 1, wherein a local bulge channel protruding outward is formed in the outer plate of the rear wheel cover, and the outer reinforcing plate of the rear wheel cover is connected to the outer side of the local bulge channel, so that an outer A-shaped force transmission channel is formed between the outer reinforcing plate of the rear wheel cover and the local bulge channel, and the inner H-shaped force transmission channel is opposite to the outer A-shaped force transmission channel.
3. The rear body force transfer structure of claim 1, further comprising a rear floor cross member, one end of which is connected inside the rear rail joint.
4. The vehicle body rear force transmission structure of claim 3, wherein the rear floor cross member is an extruded aluminum alloy beam.
5. The vehicle body rear force transmission structure of claim 3, further comprising a rear spare tire pool cross member, one end of the rear spare tire pool cross member being connected to an inner side of the rear longitudinal beam joint, the rear spare tire pool cross member being located behind the rear floor cross member.
6. The vehicle body rear force transmission structure of claim 5, wherein the spare tire vehicle cross beam is an inverted V-shaped stamped aluminum alloy beam with a low middle part and high two ends.
7. The vehicle body rear force transmission structure of claim 1, wherein the rear overhang mounting member includes a rear overhang mounting plate and a rear overhang mounting reinforcement plate, the rear overhang mounting reinforcement plate is connected to an inner side of the rear wheel house inner plate, and the rear overhang mounting plate is connected to a side of the rear overhang mounting reinforcement plate facing away from the rear wheel house inner plate.
8. The vehicle body rear force transmission structure of claim 7, wherein a front side of the rear overhang mounting reinforcement plate forms a front vertical protrusion protruding inwards, and a rear side of the rear overhang mounting reinforcement plate forms a rear vertical protrusion protruding inwards;
the inner wheel casing reinforcing plate comprises a transverse portion, a front vertical portion and a rear vertical portion, the transverse portion extends along the front-rear direction of the automobile, the top end of the front vertical portion and the bottom end of the front vertical protrusion are connected to the front end of the transverse portion, the bottom end of the front vertical portion is connected to the front joint of the rear wheel casing, the top end of the rear vertical portion and the bottom end of the rear vertical protrusion are connected to the rear end of the transverse portion, the bottom end of the rear vertical portion is connected to the rear wheel casing rear joint, the front vertical protrusion, the rear vertical protrusion, the transverse portion, the front vertical portion, the rear vertical portion, the front joint of the rear wheel casing and the rear wheel casing rear joint are combined to form an H-shaped protruding structure, and the H-shaped protruding structure covers the inner side of the inner wheel casing inner plate to form an inner H-shaped force transmission channel.
9. The force transmission structure at the rear part of the vehicle body according to claim 2, wherein the rear wheel house outer reinforcement plate is a-shaped structure, the local protruded passage has a splayed structure, and the bottom end of the rear wheel house outer reinforcement plate is connected with the top end of the splayed structure.
10. The force transmission structure at the rear part of a vehicle body according to claim 9, wherein two weight-reducing holes are formed in the outer reinforcing plate of the rear wheel house so as to be separated vertically.
11. An automobile comprising a rear body force transfer structure according to any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011096774.0A CN112339861B (en) | 2020-10-14 | 2020-10-14 | Automobile body rear portion force transmission structure and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011096774.0A CN112339861B (en) | 2020-10-14 | 2020-10-14 | Automobile body rear portion force transmission structure and car |
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| Publication Number | Publication Date |
|---|---|
| CN112339861A true CN112339861A (en) | 2021-02-09 |
| CN112339861B CN112339861B (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011096774.0A Active CN112339861B (en) | 2020-10-14 | 2020-10-14 | Automobile body rear portion force transmission structure and car |
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| Country | Link |
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| CN (1) | CN112339861B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113212558A (en) * | 2021-05-21 | 2021-08-06 | 浙江吉利控股集团有限公司 | Vehicle body C ring reinforcing structure and vehicle comprising same |
| CN115056859A (en) * | 2022-07-13 | 2022-09-16 | 岚图汽车科技有限公司 | Rear shock absorber mounting plate assembly and rear wheel cover assembly |
| CN115214785A (en) * | 2021-12-09 | 2022-10-21 | 广州汽车集团股份有限公司 | Automobile body rear portion structure and car |
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| KR20020022169A (en) * | 2000-09-19 | 2002-03-27 | 류정열 | Construction of separate type rear suspension for automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113212558A (en) * | 2021-05-21 | 2021-08-06 | 浙江吉利控股集团有限公司 | Vehicle body C ring reinforcing structure and vehicle comprising same |
| CN115214785A (en) * | 2021-12-09 | 2022-10-21 | 广州汽车集团股份有限公司 | Automobile body rear portion structure and car |
| CN115214785B (en) * | 2021-12-09 | 2023-09-01 | 广州汽车集团股份有限公司 | Automobile body rear structure and car |
| CN115056859A (en) * | 2022-07-13 | 2022-09-16 | 岚图汽车科技有限公司 | Rear shock absorber mounting plate assembly and rear wheel cover assembly |
| CN115056859B (en) * | 2022-07-13 | 2023-06-02 | 岚图汽车科技有限公司 | Rear shock absorber mounting plate assembly and rear wheel cover assembly |
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|---|---|
| CN112339861B (en) | 2022-02-18 |
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