CN108891485B - Car rear overhang spring fixing base bearing structure and car - Google Patents
Car rear overhang spring fixing base bearing structure and car Download PDFInfo
- Publication number
- CN108891485B CN108891485B CN201810572692.5A CN201810572692A CN108891485B CN 108891485 B CN108891485 B CN 108891485B CN 201810572692 A CN201810572692 A CN 201810572692A CN 108891485 B CN108891485 B CN 108891485B
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- reinforcing plate
- suspension spring
- shaped reinforcing
- longitudinal beam
- fixing seat
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 77
- 239000000725 suspension Substances 0.000 claims abstract description 63
- 238000003466 welding Methods 0.000 claims abstract description 26
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/14—Resilient suspensions characterised by arrangement, location or kind of springs having helical, spiral or coil springs only
- B60G11/16—Resilient suspensions characterised by arrangement, location or kind of springs having helical, spiral or coil springs only characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/12—Mounting of springs or dampers
- B60G2204/124—Mounting of coil springs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Vehicle Body Suspensions (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention relates to an automobile rear suspension spring fixing seat supporting structure and an automobile, wherein the supporting structure comprises a U-shaped reinforcing plate, a rear suspension spring fixing seat and a rear longitudinal beam body; the U-shaped reinforcing plate is fixedly arranged on the rear longitudinal beam body; the part of the rear suspension spring fixing seat is fixedly arranged on the U-shaped reinforcing plate; by adopting the scheme, the U-shaped reinforcing plate and the L-shaped bracket are respectively connected with the longitudinal beam and the rear suspension spring fixing seat through the welding points, so that the assembly structure is simpler, the connection is more convenient, the rigidity and the strength performance of the mounting area of the fixing seat can be completely ensured, the performance of the reinforcing plate in the longitudinal beam can be properly cancelled or reduced, and the light weight trend of the vehicle is met.
Description
Technical Field
The invention belongs to the technical field of automobile body structures, and particularly relates to an automobile rear suspension spring fixing seat supporting structure and an automobile.
Background
The automobile can generate dynamic vibration in the running process, the higher the speed of the automobile, the larger the vibration is, and generally people can arrange a damping spring on the automobile to absorb the vibration, so that the automobile can keep dynamic balance in the running process; the spiral spring is used as an important component of the rear suspension and is used for elastically connecting the suspension and a vehicle body structure, buffering impact force applied to a vehicle in the running process, attenuating vibration transmitted by a suspension system and bearing vertical load; in order to ensure the comfort of passengers, it is important to develop a support structure capable of ensuring reliable operation of the rear suspension coil spring in the early stage of design, and a good support structure should have sufficient installation rigidity and strength to meet the requirements of vibration isolation strength and fatigue durability.
Among the prior art, the back overhang coil spring arranges in one side of back longeron, and spring holder body constitutes the cantilever beam structure with the back longeron to at the inboard thicker reinforcing plate of longeron inboard design of spring holder body mounted position annex, thereby satisfy the local rigidity of spring holder mounting point, this kind of structural style exists the weak point:
firstly, the local rigidity of the installation position is met by increasing the material thickness of the reinforcing plate, although the performance requirement can be met, the raw material is consumed, the weight is increased, and the light weight requirement cannot be met;
secondly, the spring seat mounting support is arranged on one side of the rear longitudinal beam and is of a cantilever beam structure, under the action of vertical load, one side of the bottom of the rear longitudinal beam bears tensile load, the deformation of the two sides is different, and under the action of alternating load, a welding spot on one side bearing the tensile load is easy to crack, so that the durability of the structure is not facilitated;
third, the cantilever beam support structure is not conducive to attenuation of vertical loads.
Disclosure of Invention
The invention designs an automobile rear suspension spring fixing seat supporting structure and an automobile, and solves the problem that the existing rear suspension spiral spring and a longitudinal beam are weak in connection rigidity.
In order to solve the technical problems, the invention adopts the following scheme:
a supporting structure for a rear suspension spring fixing seat of an automobile comprises a U-shaped reinforcing plate, a rear suspension spring fixing seat and a rear longitudinal beam body; the U-shaped reinforcing plate is fixedly arranged on the rear longitudinal beam body; the local of back suspension spring fixing base is fixed the setting on U type reinforcing plate.
Furthermore, the device also comprises an L-shaped bracket; the rear suspension spring fixing seat is partially fixed on the U-shaped reinforcing plate, and the rest part of the rear suspension spring fixing seat is exposed out of the side edge of the U-shaped reinforcing plate; one end of the L-shaped support is fixedly arranged on the side edge of the U-shaped reinforcing plate, and the other end of the L-shaped support is fixed on the exposed part of the rear suspension spring fixing seat.
Furthermore, the device also comprises a rear longitudinal beam connecting plate; the rear longitudinal beam body is fixedly connected to the vehicle body through a rear longitudinal beam connecting plate.
Furthermore, side plates are arranged on two side edges of the U-shaped reinforcing plate; welding spots are arranged on the side plates; the U-shaped reinforcing plate is welded and fixed on the rear longitudinal beam body through welding spots on the side plates.
Furthermore, the front end of the U-shaped reinforcing plate is also provided with a protruding part; the U-shaped reinforcing plate is welded and fixed with the rear longitudinal beam body through the convex part; the rear longitudinal beam connecting plate is connected with the bulge in a welding mode.
Further, side plates on two sides of the U-shaped reinforcing plate form a U-shaped cavity; the U-shaped reinforcing plate is erected on the rear longitudinal beam body through the U-shaped cavity, and a cavity is reserved; the side plates on two sides of the U-shaped reinforcing plate are welded and fixed on the rear longitudinal beam body.
Furthermore, the rear longitudinal beam body is of a hollow structure; the cavity height h is 28mm to 32 mm.
Furthermore, the rear end of the U-shaped reinforcing plate is also provided with an inclined part; the inclined part is matched with the rear longitudinal beam body; the inclined part is provided with a through hole.
Furthermore, a convex hull is also arranged on the L-shaped bracket; the two sides of the convex hull are welded and fixed on the side edge of the U-shaped reinforcing plate through welding spots; the top folded edge of the L-shaped bracket is fixedly connected with the leaked part of the rear suspension spring fixing seat through welding.
Correspondingly, the invention further provides an automobile, which comprises an automobile rear suspension spring fixing seat supporting structure, wherein the automobile rear suspension spring fixing seat supporting structure is the automobile rear suspension spring fixing seat supporting structure.
This car rear overhang spring fixing base bearing structure has following beneficial effect:
by adopting the scheme, the U-shaped reinforcing plate and the L-shaped bracket are respectively connected with the longitudinal beam and the rear suspension spring fixing seat through the welding points, so that the assembly structure is simpler and the connection is more convenient; the U-shaped reinforcing plate mainly supports the lap joint area of the rear suspension spring fixing seat and the vehicle body, the cavity structures of the U-shaped reinforcing plate and the rear longitudinal beam body can completely ensure the rigidity and the strength performance of the fixing seat mounting area, and the performance (VAVE) of the reinforcing plate inside the longitudinal beam can be properly cancelled or reduced; the L-shaped bracket is mainly connected with the cantilever end of the rear suspension spring fixing seat, so that the support of the cantilever end is increased; the U-shaped reinforcing plate and the lower end of the L-shaped bracket vehicle body support the fixing seat together, and the two side surfaces of the two structures are welded, so that the supporting structure is more stable, the whole fixing seat is more uniformly loaded, and the vehicle body can be better kept stable; by adopting the scheme provided by the invention, different side pedal mounting bracket system structures can be designed according to the hard heights of rear spring seats of different vehicle types, and the structure can be used for reducing weight and cost of local areas, so that the light weight trend of vehicles is met.
Drawings
FIG. 1: the invention discloses an overall schematic diagram of a supporting structure of a rear suspension spring fixing seat of an automobile;
FIG. 2: the connection between the rear suspension spring fixing seat and the supporting structure of the automobile is shown in the first schematic diagram;
FIG. 3: the connection between the rear suspension spring fixing seat and the supporting structure of the automobile is shown in a schematic diagram II;
FIG. 4: the invention discloses a schematic connection diagram of a U-shaped reinforcing plate and a longitudinal beam;
FIG. 5: FIG. 4 is a sectional view taken along A-A;
FIG. 6: the invention discloses a schematic view of a supporting structure of a fixed seat;
FIG. 7: the invention discloses a structure diagram I of a U-shaped reinforcing plate;
FIG. 8: the invention discloses a second structural diagram of a U-shaped reinforcing plate.
Description of reference numerals:
1-a U-shaped stiffener; 11-side plate; 12-a projection; 13-an inclined portion; 14-mounting holes; 15-a through hole; 2-rear suspension spring fixing seat; 3-an L-shaped scaffold; 4-rear longitudinal beam body; 5-rear longitudinal beam connecting plate; 6-welding points.
Detailed Description
The invention will be further explained with reference to the accompanying drawings:
fig. 1 to 8 show a supporting structure of a rear suspension spring fixing seat of an automobile, which comprises a U-shaped reinforcing plate 1, a rear suspension spring fixing seat 2, an L-shaped bracket 3, a rear longitudinal beam body 4 and a rear longitudinal beam connecting plate 5; the U-shaped reinforcing plate 1 is fixedly arranged on the rear longitudinal beam body 4; the rear suspension spring fixing seat 2 is partially and fixedly arranged on the U-shaped reinforcing plate 1, the rest part of the rear suspension spring fixing seat is exposed out of the side edge of the U-shaped reinforcing plate, one end of the L-shaped support 3 is fixedly arranged on the side edge of the U-shaped reinforcing plate 1, and the other end of the L-shaped support is fixed on the exposed part of the rear suspension spring fixing seat 2, so that the design mainly considers that the vertical load applied to the rear suspension spring fixing seat can be attenuated through two parts and acts on the U-shaped reinforcing plate 1 and the L-shaped support 3 respectively, and the mounting rigidity and the bearing capacity of the cantilever end of the fixing seat are effectively improved; the U-shaped reinforcing plate and the L-shaped bracket vehicle jointly support the fixed seat at the lower end of the vehicle body, and the side surfaces of the two structures are welded, so that the supporting structure is more stable, the whole fixed seat is more uniformly supported, and the stability of the vehicle body can be better kept; furthermore, the rear longitudinal beam body 4 is fixedly connected to the automobile body through the rear longitudinal beam connecting plate 5, so that the stability of the supporting structure of the rear suspension spring fixing seat of the automobile can be improved; by adopting the structure, the stress of the mounting structural part is far lower than the yield limit of respective materials, the requirement on strength performance is met, the rigidity and the strength performance of the supporting structure are better than those of the existing reinforcing plate mounting structure which is added in the longitudinal beam, the increase of the rigidity and the strength of the mounting area to the thickness of the reinforcing plate in the mounting area can be effectively avoided, the weight reduction scheme can be properly verified, and the lightweight of the automobile body is promoted.
Preferably, in combination with the above solutions, as shown in fig. 1 to 8, in this embodiment, in order to reasonably distribute the connection welding points, there are five three-layer welding points and eleven two-layer welding points on the U-shaped reinforcing plate and the L-shaped bracket; the welding part C of the rear suspension spring fixing seat 2 and the U-shaped reinforcing plate 1 is welded in three layers, and the side B of the L-shaped bracket is welded in three layers in the same way; in the scheme of the application, the rear suspension spring fixing seat 2 is respectively connected with the U-shaped reinforcing plate and the L-shaped bracket through welding spots, and the number of the welding spots is three; two side plates 11 are arranged on two side edges of the U-shaped reinforcing plate 1; six welding points 6 are arranged on the side plate 11; the U-shaped reinforcing plate 1 is welded and fixed on the rear longitudinal beam body 4 through welding points 6 on the side plates 11; the side plates 11 on two sides of the U-shaped reinforcing plate 1 form a U-shaped cavity; the U-shaped reinforcing plate 1 is erected on the rear longitudinal beam body 4 through a U-shaped cavity, and a cavity a is reserved; the rear longitudinal beam body 4 is of a hollow structure, and the height h of a cavity is 28mm to 32mm, specifically 30mm, so that the cavity structure is stable; the side plates 11 on the two sides of the U-shaped reinforcing plate 1 are welded and fixed on the rear longitudinal beam body 4, and the mounting rigidity of the fixing seat can be effectively improved by adopting the structure, so that a vehicle body can effectively bear loads in all directions transmitted from a road surface; a cavity structure is formed between the U-shaped reinforcing plate and the longitudinal beam, and four surfaces of the U-shaped reinforcing plate are hermetically connected with the longitudinal beam, so that the rigidity and the strength performance of a mounting area of the fixing seat can be effectively improved, and loads transmitted to the vehicle body by the fixing seat in all directions can be effectively borne; meanwhile, the structure is mainly supported by the U-shaped reinforcing plate and the longitudinal beam, and weight reduction consideration can be carried out on the reinforcing structure inside the longitudinal beam in the area.
Preferably, in combination with the above solutions, as shown in fig. 1 to 8, in the present embodiment, the U-shaped reinforcing plate 1 is further provided with a protruding portion 12 at the front end; u type reinforcing plate 1 passes through bulge 12 and rear longitudinal beam body 4 welded fastening, rear longitudinal beam connecting plate 5 and bulge 12 welded connection to realize rear longitudinal beam body 4 and rear longitudinal beam connecting plate 5's connection, thereby improve rear overhang spring fixing base bearing structure's stability.
Preferably, in combination with the above solutions, as shown in fig. 1 to 8, in this embodiment, the top of the U-shaped reinforcing plate 1 is further provided with a mounting hole 14; the rear end of the U-shaped reinforcing plate 1 is also provided with an inclined part 13; the inclined portion 13 is fitted to the rear side member body 4 to facilitate assembly, and a through hole 15 is provided in the inclined portion 13 to facilitate connection and assembly.
Preferably, in combination with the above solutions, as shown in fig. 1 to 8, in this embodiment, the L-shaped bracket 3 is further provided with a convex hull to enhance the bearing capacity and the pressure resistance of the L-shaped bracket 3; the two sides of the convex hull are welded and fixed on the side edge of the U-shaped reinforcing plate 1 through welding spots, and the folded edge at the top of the L-shaped bracket 3 is fixedly connected with the leaked part of the rear suspension spring fixing seat 2 through welding to play a role in decomposing and supporting; by adopting the scheme, the side L bracket 3 is mainly connected with the cantilever end of the rear suspension spring fixing seat 2, so that the support of the cantilever end of the rear suspension spring fixing seat 2 is increased, the situation that the vertical load is not easy to attenuate due to a cantilever beam structure is avoided, and the mounting rigidity and the bearing capacity of the cantilever end of the rear suspension spring fixing seat are effectively improved; the L-shaped bracket 3 is mainly used for bearing the cantilever end of the rear suspension spring fixing seat and improving the mounting rigidity of the outer side of the rear suspension spring fixing seat; the L-shaped bracket 3 is lapped with the side face of the longitudinal beam to share the load of the cantilever end together, so that the integral rigidity and strength performance of the rear suspension spring fixing seat are effectively improved; u type reinforcing plate 1 and L type support 3 together support rear overhang spring fixing base, and there is the welding relation in its two structure sides, make to bear more evenly, and the maintenance automobile body that can be better is steady, provides the automobile body bradyseism function.
Correspondingly, in combination with the scheme, the invention also provides an automobile, which comprises an automobile rear suspension spring fixing seat supporting structure and is characterized in that the automobile rear suspension spring fixing seat supporting structure is the automobile rear suspension spring fixing seat supporting structure.
By adopting the scheme, the U-shaped reinforcing plate and the L-shaped bracket are respectively connected with the longitudinal beam and the rear suspension spring fixing seat through the welding points, so that the assembly structure is simpler and the connection is more convenient; the U-shaped reinforcing plate mainly supports the lap joint area of the rear suspension spring fixing seat and the vehicle body, the cavity structures of the U-shaped reinforcing plate and the rear longitudinal beam body can completely ensure the rigidity and the strength performance of the fixing seat mounting area, and the performance (VAVE) of the reinforcing plate inside the longitudinal beam can be properly cancelled or reduced; the L-shaped bracket is mainly connected with the cantilever end of the rear suspension spring fixing seat, so that the support of the cantilever end is increased; the U-shaped reinforcing plate and the lower end of the L-shaped bracket vehicle body support the fixing seat together, and the two side surfaces of the two structures are welded, so that the supporting structure is more stable, the whole fixing seat is more uniformly loaded, and the vehicle body can be better kept stable; by adopting the scheme provided by the invention, different side pedal mounting bracket system structures can be designed according to the hard heights of rear spring seats of different vehicle types, and the structure can be used for reducing weight and cost of local areas, so that the light weight trend of vehicles is met.
The invention is described above with reference to the accompanying drawings, it is obvious that the implementation of the invention is not limited in the above manner, and it is within the scope of the invention to adopt various modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.
Claims (5)
1. A supporting structure for a rear suspension spring fixing seat of an automobile is characterized by comprising a U-shaped reinforcing plate, a rear suspension spring fixing seat and a rear longitudinal beam body; the U-shaped reinforcing plate is fixedly arranged on the rear longitudinal beam body; the part of the rear suspension spring fixing seat is fixedly arranged on the U-shaped reinforcing plate; also comprises an L-shaped bracket; the rear suspension spring fixing seat is partially fixed on the U-shaped reinforcing plate, and the rest part of the rear suspension spring fixing seat is exposed out of the side edge of the U-shaped reinforcing plate; one end of the L-shaped bracket is fixedly arranged on the side edge of the U-shaped reinforcing plate, and the other end of the L-shaped bracket is fixed on the exposed part of the rear suspension spring fixing seat; the device also comprises a rear longitudinal beam connecting plate; the rear longitudinal beam body is fixedly connected to the vehicle body through the rear longitudinal beam connecting plate; side plates are arranged on two side edges of the U-shaped reinforcing plate; welding points are arranged on the side plates; the U-shaped reinforcing plate is welded and fixed on the rear longitudinal beam body through the welding spots on the side plates; the front end of the U-shaped reinforcing plate is also provided with a protruding part; the U-shaped reinforcing plate is welded and fixed with the rear longitudinal beam body through the protruding part; the rear longitudinal beam connecting plate is connected with the bulge in a welding mode; the rear end of the U-shaped reinforcing plate is also provided with an inclined part; the inclined part is matched with the rear longitudinal beam body; the inclined part is provided with a through hole.
2. The vehicle rear suspension spring holder support structure according to claim 1, wherein the side plates on both sides of the U-shaped reinforcing plate form a U-shaped cavity; the U-shaped reinforcing plate is erected on the rear longitudinal beam body through the U-shaped cavity, and a cavity is reserved; the side plates on two sides of the U-shaped reinforcing plate are welded and fixed on the rear longitudinal beam body.
3. The vehicle rear suspension spring holder support structure according to claim 2, wherein the rear side member body is a hollow structure; the cavity height h is 28mm to 32 mm.
4. The vehicle rear suspension spring holder support structure according to claim 1, wherein a convex hull is further provided on the L-shaped bracket; the two sides of the convex hull are welded and fixed on the side edge of the U-shaped reinforcing plate through welding spots; and the top folded edge of the L-shaped bracket is fixedly connected with the leaked part of the rear suspension spring fixing seat through welding.
5. An automobile comprising an automobile rear suspension spring holder support structure, wherein the automobile rear suspension spring holder support structure is the automobile rear suspension spring holder support structure of any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810572692.5A CN108891485B (en) | 2018-06-06 | 2018-06-06 | Car rear overhang spring fixing base bearing structure and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810572692.5A CN108891485B (en) | 2018-06-06 | 2018-06-06 | Car rear overhang spring fixing base bearing structure and car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108891485A CN108891485A (en) | 2018-11-27 |
| CN108891485B true CN108891485B (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810572692.5A Active CN108891485B (en) | 2018-06-06 | 2018-06-06 | Car rear overhang spring fixing base bearing structure and car |
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| CN (1) | CN108891485B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111873734A (en) * | 2020-07-24 | 2020-11-03 | 奇瑞汽车股份有限公司 | Spring seat installation reinforcing structure |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103847449A (en) * | 2012-11-30 | 2014-06-11 | 东风汽车公司 | Installation fixing point structure of rear trailing arm |
| CN104648481B (en) * | 2013-11-15 | 2017-08-04 | 北汽福田汽车股份有限公司 | Vehicle |
| CN103660825B (en) * | 2013-12-11 | 2016-02-03 | 重庆长安汽车股份有限公司 | A kind of multi-angle screw spring mounting seat |
| CN203580547U (en) * | 2013-12-11 | 2014-05-07 | 重庆长安汽车股份有限公司 | Multipurpose helical spring mounting base |
| KR102029844B1 (en) * | 2014-06-10 | 2019-10-08 | 현대자동차 주식회사 | Coupled torsion beam axle type suspension system |
| CN205044824U (en) * | 2015-10-19 | 2016-02-24 | 东风汽车公司 | Suspension spring holder and body connection additional strengthening behind electric automobile |
| CN105383562A (en) * | 2015-11-23 | 2016-03-09 | 浙江吉利汽车研究院有限公司 | Longitudinal beam assembly of front cabin of vehicle |
| CN205573526U (en) * | 2016-04-21 | 2016-09-14 | 浙江吉利控股集团有限公司 | Buffer structure of rear overhang frame |
| CN105966185A (en) * | 2016-06-20 | 2016-09-28 | 奇瑞汽车股份有限公司 | Automobile rear suspension spring installation point structure |
| CN205854273U (en) * | 2016-06-21 | 2017-01-04 | 浙江吉利控股集团有限公司 | Rear suspension mounting structure and there is its body of a motor car |
| CN106004300A (en) * | 2016-06-27 | 2016-10-12 | 重庆长安汽车股份有限公司 | Connection structure for rear damping spring and car body side beam of car |
| CN206367353U (en) * | 2017-01-12 | 2017-08-01 | 东风小康汽车有限公司重庆分公司 | Automobile-used rear suspension reinforcement structure assembly |
| CN206456438U (en) * | 2017-02-04 | 2017-09-01 | 安徽工程大学 | Rear shock absorber of automobile mounting structure |
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2018
- 2018-06-06 CN CN201810572692.5A patent/CN108891485B/en active Active
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| CN108891485A (en) | 2018-11-27 |
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