CN109484110B - Connection structure, vehicle chassis and vehicle of vehicle control arm - Google Patents
Connection structure, vehicle chassis and vehicle of vehicle control arm Download PDFInfo
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- CN109484110B CN109484110B CN201811452226.XA CN201811452226A CN109484110B CN 109484110 B CN109484110 B CN 109484110B CN 201811452226 A CN201811452226 A CN 201811452226A CN 109484110 B CN109484110 B CN 109484110B
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- control arm
- longitudinal beam
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/008—Attaching arms to unsprung part of vehicle
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- 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
- B60G2204/14—Mounting of suspension arms
- B60G2204/143—Mounting of suspension arms on the vehicle body or chassis
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- Body Structure For Vehicles (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
An embodiment of the present invention provides a connection structure of a vehicle control arm, a vehicle chassis, and a vehicle, wherein the connection structure includes: an aluminum front side member; the aluminum control arm bracket is fixedly arranged on the front longitudinal beam and is connected with a control arm of the vehicle; the connecting piece of two at least aluminium system, each connecting piece is connected front longitudinal and control arm support respectively, and two at least connecting pieces set up about control arm support symmetry. The connecting structure provided by the invention has the advantages that the control arm bracket connected with the control arm is directly fixed on the front longitudinal beam of the frame, the arrangement of the auxiliary bracket is reduced, and meanwhile, the aluminum parts are adopted, so that the weight of the whole vehicle chassis is favorably reduced. The front longitudinal beam and the control arm support are respectively connected through the connecting piece, so that the connection strength and rigidity between the front longitudinal beam and the control arm support are improved, the weight of the front longitudinal beam is reduced, the energy absorption effect of the front longitudinal beam is improved, and the comfort of a vehicle is guaranteed.
Description
Technical Field
The invention relates to the field of vehicles, in particular to a connecting structure of a vehicle control arm, a vehicle chassis and a vehicle.
Background
With the progress of vehicle manufacturing technology and the improvement of living standard of people, people have higher and higher performance requirements on vehicles, wherein, the light weight of vehicles is one of the trends of future development of vehicles, how to reduce the weight of vehicles on the premise of ensuring the vehicle performance becomes an important target of novel vehicle research and development.
The control arm of the vehicle, which acts as a guide and force transfer element of the vehicle suspension system, transfers various forces acting on the wheel to the body, so the control arm and its connection must have sufficient rigidity and strength. Meanwhile, the comfort of the vehicle is an important element for purchasing the vehicle, and needs to be fully considered in the design process. Therefore, how to ensure that the connecting structure of the control arm has enough rigidity and strength on the basis of meeting the requirement of vehicle light weight and ensure the comfort of the vehicle is a great problem in the vehicle development process.
Disclosure of Invention
The aim to be achieved by the embodiment of the invention is to provide a connecting structure of a vehicle control arm, a vehicle chassis and a vehicle, which are used for ensuring that the connecting structure of the control arm has enough rigidity and strength on the basis of meeting the requirement of vehicle light weight and ensuring the comfort of the vehicle.
In order to solve the above technical problem, an embodiment of the present invention provides a connection structure of a vehicle control arm, including:
an aluminum front side member;
the aluminum control arm bracket is fixedly arranged on the front longitudinal beam and is connected with a control arm of the vehicle;
the connecting piece of two at least aluminium system, each connecting piece is connected front longitudinal and control arm support respectively, and two at least connecting pieces set up about control arm support symmetry.
Specifically, in the connection structure, the control arm bracket is provided with a recessed structure matched with the shape of the front longitudinal beam, wherein the recessed structure penetrates through a first end face of the control arm bracket and a second end face opposite to the first end face, and the first end face is perpendicular to the length direction of the front longitudinal beam;
the front longitudinal beam is inserted into the recessed structure and is fixedly connected with the control arm support.
Furthermore, as for the connecting structure, a plurality of fabrication holes perpendicular to the length direction of the front longitudinal beam are formed in the third end surface of the control arm support, and the third end surface is adjacent to the first end surface and perpendicular to the bottom surface of the recessed structure.
Preferably, as the above-described coupling structure, the coupling member is formed in a hexahedron;
the fourth end surface of the connecting piece is attached to the first end surface or the second end surface of the control arm support, and the connecting piece is fixedly connected with the control arm support through the fourth end surface;
the fifth end surface of the connecting piece is parallel to the bottom surface of the recessed structure, and the connecting piece is fixedly connected with the front longitudinal beam through the fifth end surface;
a first groove is formed in the sixth end face of the connecting piece, the sixth end face and the fourth end face are arranged oppositely, and a preset acute angle is formed between the sixth end face and the fifth end face.
Further, as the above-mentioned connection structure, the connection member further includes: and the reinforcing rib is arranged in the first groove and is perpendicular to the fourth end surface and the fifth end surface.
Optionally, as for the connecting structure described above, a second groove is further provided on the fifth end surface, and the second groove is matched with a portion of the front longitudinal beam protruding towards the fifth end surface.
Preferably, in the connecting structure, the front longitudinal beam, the control arm bracket and the connecting piece are all extruded aluminum profiles.
Specifically, in the connecting structure, the connecting members and the front longitudinal beam, the front longitudinal beam and the control arm support, and the connecting members and the control arm support are all fixedly connected by welding through metal inert gas welding.
Another preferred embodiment of the present invention also provides a vehicle chassis including: the connecting structure of the vehicle control arm as described above.
Still another preferred embodiment of the present invention also provides a vehicle including: a vehicle chassis as described above.
Compared with the prior art, the connecting structure of the vehicle control arm, the vehicle chassis and the vehicle provided by the embodiment of the invention at least have the following beneficial effects:
in the embodiment of the invention, the control arm bracket connected with the control arm of the vehicle is directly fixed on the front longitudinal beam of the frame, so that compared with the prior art that the control arm bracket needs to be fixedly connected with the frame through the auxiliary bracket of the vehicle, the arrangement of the auxiliary bracket is reduced, and the weight of the whole vehicle chassis is favorably reduced. Preferably, the connecting structure further comprises at least two aluminum connecting pieces, each connecting piece is connected with the front longitudinal beam and the control arm support respectively, the connecting strength and rigidity between the front longitudinal beam and the control arm support are improved, the wall thickness of the front longitudinal beam is reduced while the connecting strength between the front longitudinal beam and the control arm support is guaranteed, the weight of the front longitudinal beam is reduced, the energy absorption effect of the front longitudinal beam is improved, vibration transmitted to a passenger compartment of an automobile through the control arm is reduced, and the comfort of the automobile is guaranteed. At least two connecting pieces are symmetrically arranged relative to the control arm support, so that the control arm support and the front longitudinal beam are uniformly stressed, and the reduction of the service life caused by local stress concentration is avoided.
Preferably, the connecting piece, the front longitudinal beam and the control arm support are all aluminum parts, and the weight of the connecting piece, the front longitudinal beam and the control arm support is reduced by adopting light materials, so that the light weight of the vehicle is facilitated. Meanwhile, the connecting piece, the front longitudinal beam and the control arm support are made of the same material, so that the connection strength and the attractiveness in connection are guaranteed, and the complex operation of welding among different materials is reduced by taking welding as an example.
Drawings
Fig. 1 is a schematic structural view of a connecting structure of a vehicle control arm of the invention;
fig. 2 is a schematic view of a link of the link structure of the vehicle control arm of the present invention;
fig. 3 is a schematic view showing the mounting of the connecting structure of the vehicle control arm of the present invention on the vehicle body.
[ description of reference ]
1. A front longitudinal beam; 2. a control arm support; 201. a first end face; 202. a fabrication hole; 3. a connecting member;
301. a fifth end face; 302. a sixth end surface; 303. a first groove; 304. reinforcing ribs;
305. a second groove; 4. and (5) a connecting structure.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments. In the following description, specific details such as specific configurations and components are provided only to help the full understanding of the embodiments of the present invention. Thus, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the invention. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.
It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
In various embodiments of the present invention, it should be understood that the sequence numbers of the following processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
It should be understood that the term "and/or" herein is merely one type of association relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
In the embodiments provided herein, it should be understood that "B corresponding to a" means that B is associated with a from which B can be determined. It should also be understood that determining B from a does not mean determining B from a alone, but may be determined from a and/or other information.
Referring to fig. 1, a preferred embodiment of the present invention provides a connecting structure of a vehicle control arm, including:
an aluminum front side member 1;
the control arm bracket 2 is made of aluminum, is fixedly arranged on the front longitudinal beam 1 and is connected with a control arm of a vehicle;
at least two connecting pieces 3 of aluminium system, each connecting piece 3 is connected front longitudinal 1 and control arm support 2 respectively, and two at least connecting pieces 3 set up about control arm support 2 symmetry.
In the embodiment of the invention, the control arm bracket 2 connected with the control arm of the vehicle is directly fixed on the front longitudinal beam 1 of the vehicle frame, compared with the prior art that the control arm bracket 2 needs to be fixedly connected with the vehicle frame through the auxiliary bracket of the vehicle, the arrangement of the auxiliary bracket is reduced, and the weight of the whole vehicle chassis is favorably reduced. Preferably, the connecting structure further comprises at least two connecting pieces 3, each connecting piece 3 is connected with the front longitudinal beam 1 and the control arm support 2 respectively, the connection strength and rigidity between the front longitudinal beam 1 and the control arm support 2 are improved, the wall thickness of the front longitudinal beam 1 is reduced while the connection strength between the front longitudinal beam 1 and the control arm support 2 is guaranteed, the weight of the front longitudinal beam 1 is reduced, the energy absorption effect of the front longitudinal beam 1 is improved, vibration transmitted to a passenger compartment of an automobile through a control arm is reduced, and the comfort of the automobile is guaranteed. At least two connecting pieces 3 are symmetrically arranged relative to the control arm support 2, so that the control arm support 2 and the front longitudinal beam 1 are uniformly stressed, and the reduction of the service life caused by local stress concentration is avoided.
Preferably, the connecting piece 3, the front longitudinal beam 1 and the control arm bracket 2 are all aluminum parts, and the weight of the connecting piece 3, the front longitudinal beam 1 and the control arm bracket 2 is reduced by adopting light materials, so that the light weight of the vehicle is facilitated. Meanwhile, the connecting piece 3, the front longitudinal beam 1 and the control arm support 2 are made of the same material, so that the connection strength and the attractiveness in connection are guaranteed, and the complex operation of welding among different materials is reduced by taking welding as an example.
Referring to fig. 1, specifically, as for the connection structure described above, a recessed structure matching the shape of the front side member 1 is provided on the control arm bracket 2, wherein the recessed structure penetrates through a first end surface 201 of the control arm bracket 2 and a second end surface opposite to the first end surface 201, and the first end surface 201 is perpendicular to the length direction of the front side member 1;
the front longitudinal beam 1 is inserted into the recessed structure, and the front longitudinal beam 1 is fixedly connected with the control arm support 2.
In the embodiment of the invention, a recessed structure matched with the shape of the front longitudinal beam 1 is arranged on the control arm support 2, and the front longitudinal beam 1 is inserted into the recessed structure and fixedly connected with the control arm support 2. The arrangement of the concave structure plays a role in positioning on one hand, and reduces the complex operation of positioning during fixed connection; on the other hand, the front longitudinal beam 1 is inserted into the recessed structure, so that the limitation of the front longitudinal beam 1 in the width direction is enhanced, and the connection strength is improved; on the other hand, the contact connection between the front longitudinal beam 1 and the control arm support 2 for fixed connection is increased, and the improvement of the connection strength is facilitated.
Referring to fig. 1, further, in the connection structure as described above, a plurality of process holes 202 perpendicular to the length direction of the front side member 1 are formed in a third end surface of the control arm bracket 2, and the third end surface is disposed adjacent to the first end surface 201 and perpendicular to the bottom surface of the recessed structure.
In the embodiment of the invention, the arrangement of the fabrication holes 202 is beneficial to reducing the weight of the control arm support 2, the hole walls between adjacent fabrication holes 202 play a supporting role in ensuring the strength of the control arm support 2, and meanwhile, the porous structure is also beneficial to improving the energy absorption function of the control arm support 2, reducing the vibration transmitted to a passenger compartment and further ensuring the comfort of a vehicle.
Referring to fig. 2, preferably, the connection member 3 is formed as a hexahedron as the above-described connection structure;
the fourth end surface of the connecting piece 3 is attached to the first end surface 201 or the second end surface of the control arm support 2, and the connecting piece 3 is fixedly connected with the control arm support 2 through the fourth end surface;
the fifth end surface 301 of the connecting piece 3 is parallel to the bottom surface of the sunken structure, and the connecting piece 3 is fixedly connected with the front longitudinal beam 1 through the fifth end surface 301;
a first groove 303 is formed in a sixth end face 302 of the connecting member 3, the sixth end face 302 and the fourth end face are arranged oppositely, and a preset acute angle is formed between the sixth end face 302 and the fifth end face 301.
In the embodiment of the present invention, the connecting member 3 is formed into a hexahedral structure, wherein the fourth end surface of the connecting member 3 is fixedly connected with the control arm bracket 2, and the fifth end surface 301 of the connecting member 3 is fixedly connected with the front longitudinal beam 1, so as to ensure the connection strength between the control arm bracket 2 and the front longitudinal beam 1 and avoid the situation that the control arm bracket 2 is separated from the front longitudinal beam 1. Meanwhile, a preset acute angle is formed between the sixth end face 302 and the fifth end face 301 opposite to the fourth end face, so that when the front longitudinal beam 1 is vibrated, force is gently transited to the control arm support 2 along the sixth end face 302, and the influence of local stress concentration caused by rigidity mutation during vertical connection on the energy absorption effect and the service life of the front longitudinal beam 1 or the control arm support 2 is avoided.
Specifically, be provided with first recess 303 on the sixth terminal surface 302, optionally, first recess 303 communicates to the fourth terminal surface, through the setting of first recess 303, is favorable to reducing the weight of connecting piece 3 when guaranteeing the structural strength of connecting piece 3, and then is favorable to the realization of vehicle lightweight.
Referring to fig. 2, further to the above-mentioned connection structure, the connection member 3 further includes: at least one reinforcing rib 304, wherein the reinforcing rib 304 is disposed in the first groove 303 and perpendicular to the fourth end surface and the fifth end surface 301.
In the embodiment of the present invention, at least one reinforcing rib 304 is further disposed in the first groove 303 of the connecting member 3, so as to improve the structural strength of the connecting member 3 and prevent the connecting member 3 from deforming after being stressed to affect the original function. Preferably, the plurality of reinforcing ribs 304 are uniformly distributed in the first groove 303.
Referring to fig. 2, optionally, as in the above-mentioned connection structure, the fifth end surface 301 is further provided with a second groove 305, and the second groove 305 is matched with a portion of the front side member 1 protruding toward the fifth end surface 301.
In the embodiment of the present invention, the fifth end surface 301 is further provided with second grooves 305 matching with the protruding portion of the front longitudinal beam 1 facing the fifth end surface 301, wherein the number and the specific structural form of the second grooves 305 are determined according to the protruding portion of the front longitudinal beam 1, and the protruding portion of the front longitudinal beam 1 is avoided by providing the second grooves 305, which is beneficial to ensuring the fixed connection between the connecting member 3 and the front longitudinal beam 1.
Referring to fig. 1, preferably, the front side member 1, the control arm bracket 2 and the connecting member 3 are extruded aluminum profiles as the above-described connecting structure.
In the embodiment of the invention, the front longitudinal beam 1, the control arm bracket 2 and the connecting piece 3 are all made of extruded aluminum profiles, the structural strength of the front longitudinal beam 1, the control arm bracket 2 and the connecting piece 3 is ensured to be enough to support the application of the front longitudinal beam on a vehicle through the structural strength of the extruded aluminum profiles, and meanwhile, the operation of production by using the profiles is simple, which is beneficial to improving the production efficiency.
Specifically, in the connection structure, the connection manner between the connection member 3 and the front side member 1, the connection manner between the front side member 1 and the control arm bracket 2, and the connection manner between the connection member 3 and the control arm bracket 2 are all welded and fixed by the metal inert gas shielded arc welding.
In the embodiment of the invention, the fixed connection mode is the consumable electrode inert gas shielded welding, and the welding connection strength is ensured, and meanwhile, the manufacturability and the aesthetic property after welding are favorably ensured.
Referring to fig. 3, another preferred embodiment of the present invention also provides a vehicle chassis including: the connecting structure 4 of the vehicle control arm as described above.
The vehicle chassis provided by the embodiment of the invention adopts the connecting structure 4 of the vehicle control arm to directly fix the control arm bracket 2 on the front longitudinal beam 1, so that the application of auxiliary brackets of a vehicle is reduced, the weight of the vehicle chassis is reduced by reducing parts on the whole structure, meanwhile, the connecting piece 3 is connected between the front longitudinal beam 1 and the control arm bracket 2, the weight of the front longitudinal beam 1 is favorably reduced while the connecting strength of the front longitudinal beam 1 and the control arm bracket 2 is ensured, further, the weight of the vehicle chassis is reduced, the front longitudinal beam 1, the control arm bracket 2 and the connecting piece 3 are all aluminum parts, the weight of the vehicle chassis is further reduced by adopting light materials, the light weight of the vehicle is favorably realized, and the comfort of the vehicle is favorably improved by reducing the longitudinal beam of the front longitudinal beam 1 and arranging the connecting piece 3.
Still another preferred embodiment of the present invention also provides a vehicle including: a vehicle chassis as described above.
The vehicle provided by the embodiment of the invention adopts the vehicle chassis, and the vehicle is lighter and the comfort of the vehicle is ensured by reducing the weight of the vehicle chassis and improving the energy absorption function in the vehicle chassis.
Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. A connecting structure of a vehicle control arm, characterized by comprising:
a front side member (1) made of aluminum;
the control arm bracket (2) is made of aluminum, is fixedly arranged on the front longitudinal beam (1), and is connected with a control arm of a vehicle;
at least two aluminum connecting pieces (3), wherein each connecting piece (3) is respectively connected with the front longitudinal beam (1) and the control arm support (2), and the at least two connecting pieces (3) are symmetrically arranged relative to the control arm support (2);
the connecting piece (3) is formed into a hexahedron;
a fourth end face of the connecting piece (3) is attached to the first end face (201) of the control arm support (2) or a second end face arranged opposite to the first end face (201), the connecting piece (3) is fixedly connected with the control arm support (2) through the fourth end face, and the first end face (201) is perpendicular to the length direction of the front longitudinal beam (1);
a fifth end surface (301) of the connecting piece (3) faces the front longitudinal beam (1), and the connecting piece (3) is fixedly connected with the front longitudinal beam (1) through the fifth end surface (301);
a sixth end face (302) of the connecting piece (3) is provided with a first groove (303), the sixth end face (302) and the fourth end face are arranged oppositely, and a preset acute angle is formed between the sixth end face (302) and the fifth end face (301).
2. The connecting structure according to claim 1, characterized in that the control arm bracket (2) is provided with a recessed structure matching the shape of the front side member (1), wherein the recessed structure penetrates through the first end face (201) and the second end face of the control arm bracket (2);
the front longitudinal beam (1) is inserted into the recessed structure, and the front longitudinal beam (1) is fixedly connected with the control arm support (2).
3. The connecting structure according to claim 2, wherein a third end surface of the control arm support (2) is provided with a plurality of fabrication holes (202) perpendicular to the length direction of the front longitudinal beam (1), and the third end surface is adjacent to the first end surface (201) and perpendicular to the bottom surface of the recessed structure.
4. The connection structure according to claim 1, wherein the connection member (3) further comprises: at least one stiffening rib (304), the stiffening rib (304) being arranged in the first groove (303) and being arranged perpendicular to the fourth end face and the fifth end face (301).
5. The connection according to claim 1, characterized in that a second groove (305) is further provided on the fifth end surface (301), the second groove (305) matching a portion of the front side member (1) protruding toward the fifth end surface (301).
6. The connection according to claim 1, characterized in that the front longitudinal beam (1), the control arm bracket (2) and the connecting piece (3) are extruded aluminum profiles.
7. The connection structure according to claim 1, wherein the connection members (3) and the front side member (1), the front side member (1) and the control arm bracket (2), and the connection members (3) and the control arm bracket (2) are fixedly connected by welding through metal inert gas (tig).
8. A vehicle chassis, comprising: the connecting structure (4) of a vehicle control arm according to any one of claims 1 to 7.
9. A vehicle, characterized by comprising: the vehicle chassis of claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811452226.XA CN109484110B (en) | 2018-11-30 | 2018-11-30 | Connection structure, vehicle chassis and vehicle of vehicle control arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811452226.XA CN109484110B (en) | 2018-11-30 | 2018-11-30 | Connection structure, vehicle chassis and vehicle of vehicle control arm |
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| Publication Number | Publication Date |
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| CN109484110A CN109484110A (en) | 2019-03-19 |
| CN109484110B true CN109484110B (en) | 2020-07-28 |
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| CN201811452226.XA Active CN109484110B (en) | 2018-11-30 | 2018-11-30 | Connection structure, vehicle chassis and vehicle of vehicle control arm |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2305492A1 (en) * | 2009-10-02 | 2011-04-06 | Benteler Automobiltechnik GmbH | Twist beam axle |
| CN107097601A (en) * | 2017-05-14 | 2017-08-29 | 安徽机电职业技术学院 | A kind of towing arm erection support structure |
| CN206446671U (en) * | 2017-02-20 | 2017-08-29 | 重庆同捷工业设计有限公司 | A kind of new automobile front wall sill reinforcing mechanisms |
| CN207565255U (en) * | 2017-11-29 | 2018-07-03 | 北京新能源汽车股份有限公司 | Swing arm mounting bracket and with its vehicle |
| CN108773249A (en) * | 2018-05-25 | 2018-11-09 | 北京汽车研究总院有限公司 | A kind of suspension trailing arm component, chassis and vehicle |
-
2018
- 2018-11-30 CN CN201811452226.XA patent/CN109484110B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2305492A1 (en) * | 2009-10-02 | 2011-04-06 | Benteler Automobiltechnik GmbH | Twist beam axle |
| CN206446671U (en) * | 2017-02-20 | 2017-08-29 | 重庆同捷工业设计有限公司 | A kind of new automobile front wall sill reinforcing mechanisms |
| CN107097601A (en) * | 2017-05-14 | 2017-08-29 | 安徽机电职业技术学院 | A kind of towing arm erection support structure |
| CN207565255U (en) * | 2017-11-29 | 2018-07-03 | 北京新能源汽车股份有限公司 | Swing arm mounting bracket and with its vehicle |
| CN108773249A (en) * | 2018-05-25 | 2018-11-09 | 北京汽车研究总院有限公司 | A kind of suspension trailing arm component, chassis and vehicle |
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| CN109484110A (en) | 2019-03-19 |
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