CN112278077B - Rear end plate for rear longitudinal beam and rear longitudinal beam assembly - Google Patents
Rear end plate for rear longitudinal beam and rear longitudinal beam assembly Download PDFInfo
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- CN112278077B CN112278077B CN202010982205.XA CN202010982205A CN112278077B CN 112278077 B CN112278077 B CN 112278077B CN 202010982205 A CN202010982205 A CN 202010982205A CN 112278077 B CN112278077 B CN 112278077B
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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
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
- B62D21/04—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members single longitudinal type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R19/26—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
- B60R19/34—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means destroyed upon impact, e.g. one-shot type
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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
- B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D27/00—Connections between superstructure or understructure sub-units
- B62D27/02—Connections between superstructure or understructure sub-units rigid
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The application relates to a rear end plate for a rear longitudinal beam and a rear longitudinal beam assembly, and relates to the technical field of automobiles, wherein the rear end plate comprises a rear end plate body and at least one guide piece, and a mounting hole penetrating through the rear end plate body is formed in the rear end plate; the guide piece is arranged on the inner wall of the mounting hole and used for guiding the rear end plate body to be vertically butted on the rear end face of the rear longitudinal beam, when the rear end plate body is butted on the rear end face, a welding area for welding the rear end plate body and the rear end face is formed on the rear end plate body, and the rear end face is located in the welding area. The rear longitudinal beam assembly comprises a rear longitudinal beam and a rear end plate, and the rear end plate body is directly butted with the rear longitudinal beam instead of being connected through a flanging structure, so that the rigidity of the rear end plate body and the rear longitudinal beam is greatly increased, the rear end plate body and the rear longitudinal beam can resist the deformation of the energy absorption box, the deformation cannot be generated, and the maintenance cost are greatly reduced.
Description
Technical Field
The application relates to the technical field of automobiles, in particular to a rear end plate and a rear longitudinal beam assembly for a rear longitudinal beam.
Background
The frame is the most important bearing part in the automobile, and the rear longitudinal beam of the frame is the framework of the rear chassis of the automobile, namely the frame below a rear seat and a trunk, and is a key force transmission part of the rear structure of the frame. The rear longitudinal beam end plate is used as an automobile part and connected to the automobile rear longitudinal beam.
In the related art, the design of the rear longitudinal beam and the rear end plate mainly considers energy absorption and provides a reliable rear anti-collision beam mounting point, as shown in fig. 1 and 2, the common structural form of the rear longitudinal beam and the rear end plate is that an energy absorption rib 4 ' is designed at the rear part of a rear longitudinal beam 1 ', and the energy absorption rib 4 ' is used for absorbing collision energy; the rear end plate 2 ' is a flat plate, a square hole is formed in the center of the flat plate, four edges of the square hole are inwards turned to form turned edges 3 ', and the rear end plate 2 ' is welded with the rear longitudinal beam 1 ' through the four turned edges 3 '.
However, due to the arc transition between the turned-over edge 3 'and the square hole, when a vehicle collides with the rear end, the turned-over edge 3' transmits the collision force in all directions and transmits the collision force to the rear end plate 2 'and the rear longitudinal beam 1', so as to induce the rear longitudinal beam 1 'and the rear end plate 2' to deform, and the maintenance cost and the cost are greatly increased.
Disclosure of Invention
The embodiment of the application provides a back end plate and back longeron assembly for back longeron to because back end plate passes through the turn-ups with the back longeron and is connected, induced back longeron and back end plate produce the deformation, greatly increased cost of maintenance and the problem of expense among the solution correlation technique.
In a first aspect, there is provided a rear end panel for a rear side rail, comprising:
the rear end plate body is internally provided with a mounting hole penetrating through the rear end plate body;
the guide piece is arranged on the inner wall of the mounting hole and used for guiding the rear end plate body to be vertically butted on the rear end face of the rear longitudinal beam, when the rear end plate body is butted on the rear end face, a welding area for welding the rear end plate body and the rear end face is formed on the rear end plate body, and the rear end face is located in the welding area.
In some embodiments, the guide member includes a first section having one end connected to an inner wall of the mounting hole and the other end extending toward the inner wall opposite to the inner wall, and a second section having one end connected to the first section and the other end for obliquely extending into the rear side member.
In some embodiments, the first section is arc-shaped, and the first section is convex toward a side of the rear endplate body away from the rear side rail.
In some embodiments, the guide further comprises a third section having one end connected to the end of the second section remote from the first section and the other end extending towards the inner wall opposite to the inner wall to which the first section is connected.
In some embodiments, the rear end plate body further comprises a guide groove, and the guide groove is formed by recessing the inner wall of the mounting hole towards the outer wall of the rear end plate body on the same side as the inner wall; and the guide piece is arranged on the guide groove.
In some embodiments, two of the guiding members are provided, and the two guiding members are respectively provided on two opposite inner walls of the rear end plate body.
In a second aspect, a rear rail assembly is provided, comprising:
a rear stringer;
in the rear end plate, the rear end plate body is vertically arranged on the rear end surface of the rear longitudinal beam, and the guide piece extends into the rear longitudinal beam and is connected with the inner wall of the rear longitudinal beam; and the rear end face is welded on the welding area.
In some embodiments, the guide member includes a first section having one end connected to an inner wall of the mounting hole and the other end extending toward the inner wall opposite to the inner wall, and a second section having one end connected to the first section and the other end for obliquely extending into the rear side member.
In some embodiments, the rear end face has at least one slot, each slot corresponds to one of the guiding members, and the guiding member is retained in the corresponding slot.
In some embodiments, a center of the mounting hole coincides with a center of the rear end face.
The beneficial effect that technical scheme that this application provided brought includes: because the rear end plate body and the rear longitudinal beam are not connected into an integral structure through the flanging structure but are directly butted, when the rear anti-collision beam is impacted, the rear anti-collision beam is firstly impacted, the energy absorption box can absorb all impact energy to generate deformation, and the deformation of the energy absorption box can be resisted by the rear end plate body and the rear longitudinal beam due to the direct butting mode of the rear end plate body and the rear longitudinal beam, so that the deformation can not be generated, and the maintenance cost and the maintenance expense are greatly reduced.
The embodiment of the application provides a back end plate and back longeron assembly for back longeron, because the back end plate of this application embodiment passes through the guide with back end plate body and back longeron butt joint to on the rear end face of back longeron was located perpendicularly to the messenger back end plate body, and with the rear end face welding in the weld zone, realize the welding of back end plate body and back longeron, and form a body structure. And the rear end plate body and the rear longitudinal beam are not connected into an integral structure through a flanging structure but are directly butted, so that the integral rigidity of the rear end plate and the rear longitudinal beam is greatly enhanced, when the rear anti-collision beam is impacted, the rear anti-collision beam is firstly impacted, the energy absorption box can absorb all impact energy to generate deformation, and the deformation of the energy absorption box can be resisted by the rear end plate body and the rear longitudinal beam due to the direct butt joint mode of the rear end plate body and the rear longitudinal beam, so that the deformation cannot be generated, and the maintenance cost and the maintenance expense are greatly reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural view of a rear end plate in the related art;
FIG. 2 is a schematic structural view of a rear side rail assembly according to the related art;
FIG. 3 is a schematic structural view of a rear end plate for a rear side rail in an embodiment of the present application;
FIG. 4 is a right side view of FIG. 3;
FIG. 5 is a schematic structural view of a rear longitudinal beam in an embodiment of the present application;
FIG. 6 is a schematic structural diagram of a rear longitudinal beam assembly in an embodiment of the present application.
In the figure:
1', a rear longitudinal beam; 2', a rear end plate; 3', flanging; 4', energy absorbing ribs;
1. a rear end plate body; 10. mounting holes; 20. a guide groove; 21. a guide member; 210. a first stage; 211. a second stage; 212. a third stage; 3. a rear stringer; 30. a rear end face; 31. a card slot; 4. a welding area; 5. and (5) welding the structure.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Example 1:
referring to fig. 3, embodiment 1 of the present application provides a rear end plate for a rear side member, which includes a rear end plate body 1 and at least one guide member 21, wherein a mounting hole 10 penetrating through the rear end plate body 1 is formed in the rear end plate body 1; the guide piece 21 is arranged on the inner wall of the mounting hole 10 and used for guiding the rear end plate body 1 to be vertically butted on the rear end face 30 of the rear longitudinal beam 3, when the rear end plate body 1 is butted on the rear end face 30, a welding area 4 for welding the rear end plate body 1 and the rear end face 30 is formed on the rear end plate body 1, and the rear end face 30 is located in the welding area 4.
In example 1 of the present application: the mounting hole 10 of the rear end plate body 1 plays a role in lightening the rear end plate body 1, and on the other hand, because the mounting hole 10 is not in contact with the rear longitudinal beam 3, the connecting area between the rear end plate body 1 and the rear longitudinal beam 3 is mainly impacted, so that the rear end plate body 1 in the mounting hole 10 area is prevented from being impacted and deformed.
The action principle of the rear end plate of embodiment 1 of the application is as follows:
the rear end plate body 1 is butted with the rear longitudinal beam 3 through the guide piece 21, so that the rear end plate body 1 is vertically arranged on the rear end face 30 of the rear longitudinal beam 3, the rear end face 30 is welded in the welding area 4, the welding of the rear end plate body 1 and the rear longitudinal beam 3 is realized, and an integrated structure is formed. Because the rear end plate body 1 and the rear longitudinal beam 3 are not connected into an integral structure through a flanging structure but are directly butted, the integral rigidity of the rear end plate and the rear longitudinal beam 3 is greatly enhanced, when the rear anti-collision beam is impacted, the rear anti-collision beam is firstly impacted, the energy absorption box can absorb all impact energy to generate deformation, and because the rear end plate body 1 and the rear longitudinal beam 3 are directly butted, the rear end plate body 1 and the rear longitudinal beam 3 can resist the deformation of the energy absorption box, the deformation can not be generated, and the maintenance cost and the maintenance expense are greatly reduced.
Alternatively, referring to fig. 4, the guide member 21 includes a first section 210 and a second section 211, the first section 210 has one end connected to the inner wall of the mounting hole 10 and the other end extending toward the inner wall opposite to the inner wall, and the second section 211 has one end connected to the first section 210 and the other end for extending obliquely into the rear side member 3. The second section 211 is obliquely arranged, so that the second section 211 can be guided into the rear longitudinal beam 3 more conveniently, and in order to avoid the direct connection between the second section 211 and the inner wall of the mounting hole 10, the first section 210 is adopted for transition connection, so that the second section 211 is prevented from being deformed due to stress concentration.
Preferably, the first section 210 is arc-shaped, and the first section 210 is convex toward the side of the rear end plate body 1 away from the rear side member 3. The second section 211 and the inner wall of the mounting hole 10 are in arc transition connection by adopting the arc-shaped first section 210, so that the second section 211 is prevented from deforming due to stress concentration.
Preferably, the guide member 21 further comprises a third section 212, one end of the third section 212 is connected to the end of the second section 211 remote from the first section 210, and the other end extends towards the inner wall opposite to the inner wall connected to the first section 210. The third section 212 is conveniently extended into the rear longitudinal beam 3 to drive the second section 211 to be guided into the rear longitudinal beam 3.
Furthermore, the rear end plate body 1 further comprises a guide groove 20, and the guide groove 20 is formed by recessing the inner wall of the mounting hole 10 towards the outer wall of the rear end plate body 1 on the same side with the inner wall; and the guide 21 is provided on the guide groove 20. The design of the guide groove 20 greatly shortens the length of the second section 211, saves raw materials and realizes the effect of light weight of the rear end plate.
Further, as shown in fig. 3, two guides 21 are provided, and the two guides 21 are respectively provided on two opposite inner walls of the rear endplate body 1. The two guide pieces 21 extend into two opposite inner walls of the rear longitudinal beam 3, and the two guide pieces 21 and the rear longitudinal beam 3 are pre-welded to realize the positioning of the rear end plate on the rear longitudinal beam 3.
Example 2:
referring to fig. 5 and 6, embodiment 2 of the present application provides a rear longitudinal beam assembly, which includes a rear longitudinal beam 3 and a rear end plate, where a rear end face 30 of the rear longitudinal beam 3 is box-shaped, the rear end plate includes a rear end plate body 1 and at least one guide 21, and a mounting hole 10 penetrating through the rear end plate body 1 is formed in the rear end plate body 1; the guide piece 21 is arranged on the inner wall of the mounting hole 10 and extends into the rear longitudinal beam 3 to be connected with the inner wall of the rear longitudinal beam 3, and the rear end plate body 1 is vertically arranged on the rear end surface 30 of the rear longitudinal beam 3; and the rear end face 30 is welded to the welding area 4.
The action principle of the rear longitudinal beam assembly in embodiment 2 of the application is as follows:
the rear end plate is butted with the rear longitudinal beam 3 through the guide piece 21, so that the rear end plate body 1 is vertically arranged on the rear end face 30 of the rear longitudinal beam 3, the rear end face 30 is welded in the welding area 4, the welding of the rear end plate body 1 and the rear longitudinal beam 3 is realized, and an integrated structure is formed. Because the rear end plate body 1 and the rear longitudinal beam 3 are not connected into an integral structure through a flanging structure but are directly butted, the rigidity of the rear longitudinal beam assembly is greatly enhanced, when the rear anti-collision beam is impacted, the rear anti-collision beam is firstly impacted, the energy absorption box can absorb all impact energy to generate deformation, and the rear end plate body 1 and the rear longitudinal beam 3 can resist the deformation of the energy absorption box due to the direct butting mode of the rear end plate body 1 and the rear longitudinal beam 3, so that the deformation can not be generated, and the maintenance cost are greatly reduced.
Alternatively, referring to fig. 4, the guide member 21 includes a first section 210 and a second section 211, the first section 210 has one end connected to the inner wall of the mounting hole 10 and the other end extending toward the inner wall opposite to the inner wall, and the second section 211 has one end connected to the first section 210 and the other end for extending obliquely into the rear side member 3. The second section 211 is obliquely arranged, so that the second section 211 can be guided into the rear longitudinal beam 3 more conveniently, and in order to avoid the direct connection between the second section 211 and the inner wall of the mounting hole 10, the first section 210 is adopted for transition connection, so that the second section 211 is prevented from being deformed due to stress concentration.
Optionally, as shown in fig. 5, at least one slot 31 is formed on the rear end surface 30, each slot 31 corresponds to one guide 21, and the guide 21 is held in the corresponding slot 31. The clamping groove 31 on the rear end face 30 is matched with the guide piece 21, and the position of the clamping groove 31 on the rear end face 30 is designed in a matching mode according to the position of the guide piece 21 on the rear end plate body 1, so that the guide piece 21 extends into the rear longitudinal beam 3 along the clamping groove 31 and is clamped in the clamping groove 31, and the pre-assembly of the rear end plate and the rear longitudinal beam 3 is realized.
Preferably, the center of the mounting hole 10 coincides with the center of the rear end face 30 so that, when the rear portion of the vehicle receives an impact, the impact force is transmitted to the body frame structure substantially uniformly along each wall surface of the rear side member, thereby preventing the rear side member 3 from being distorted.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are 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, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A rear end panel for a rear side rail, comprising:
the rear end plate comprises a rear end plate body (1), wherein a mounting hole (10) penetrating through the rear end plate body (1) is formed in the rear end plate body;
the guide piece (21) is arranged on the inner wall of the mounting hole (10) and used for guiding the rear end plate body (1) to be vertically butted on the rear end surface (30) of the rear longitudinal beam (3); the guide piece (21) and the rear longitudinal beam (3) are pre-welded to realize the positioning of the rear end plate body (1) on the rear longitudinal beam (3); and when the rear end plate body (1) is butted on the rear end face (30), a welding area (4) for welding the rear end plate body (1) and the rear end face (30) is formed on the rear end plate body (1), and the rear end face (30) is positioned in the welding area (4).
2. The rear end plate for a rear side member according to claim 1, wherein the guide member (21) includes a first section (210) and a second section (211), one end of the first section (210) is connected to an inner wall of the mounting hole (10) and the other end extends toward the inner wall opposite to the inner wall, one end of the second section (211) is connected to the first section (210) and the other end is adapted to extend obliquely into the rear side member (3).
3. The rear end plate for a rear side member according to claim 2, wherein the first section (210) is arc-shaped, and the first section (210) is convex toward a side of the rear end plate body (1) away from the rear side member (3).
4. A rear end panel for a rear longitudinal beam according to claim 2, wherein the guide (21) further comprises a third section (212), one end of the third section (212) being connected to the end of the second section (211) remote from the first section (210) and the other end extending towards the inner wall opposite to the inner wall connected to the first section (210).
5. The rear end panel for a rear side member according to claim 1, wherein the rear end panel body (1) further includes a guide groove (20), the guide groove (20) being formed by recessing an inner wall of the mounting hole (10) toward an outer wall of the rear end panel body (1) on the same side as the inner wall; and the guide piece (21) is arranged on the guide groove (20).
6. Rear end panel for a rear longitudinal beam according to claim 1, characterized in that said guides (21) are provided in two, two of said guides (21) being provided on two opposite inner walls of said rear end panel body (1).
7. A rear rail assembly, comprising:
a rear longitudinal beam (3);
the rear end plate of claim 1, wherein the rear end plate body (1) is vertically arranged on a rear end surface (30) of the rear longitudinal beam (3), and the guide piece (21) extends into the rear longitudinal beam (3) and is connected with the inner wall of the rear longitudinal beam (3); and the rear end face (30) is welded to the welding area (4).
8. The rear side member assembly according to claim 7, wherein the guide member (21) includes a first section (210) and a second section (211), the first section (210) having one end connected to an inner wall of the mounting hole (10) and the other end extending toward the inner wall opposite to the inner wall, the second section (211) having one end connected to the first section (210) and the other end for extending obliquely into the rear side member (3).
9. The rear longitudinal beam assembly according to claim 7, wherein the rear end face (30) is provided with at least one slot (31), each slot (31) corresponds to one guide member (21), and the guide members (21) are clamped in the corresponding slots (31).
10. Rear longitudinal beam assembly according to claim 7, characterized in that the centre of the mounting hole (10) coincides with the centre of the rear end face (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010982205.XA CN112278077B (en) | 2020-09-17 | 2020-09-17 | Rear end plate for rear longitudinal beam and rear longitudinal beam assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010982205.XA CN112278077B (en) | 2020-09-17 | 2020-09-17 | Rear end plate for rear longitudinal beam and rear longitudinal beam assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112278077A CN112278077A (en) | 2021-01-29 |
| CN112278077B true CN112278077B (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010982205.XA Active CN112278077B (en) | 2020-09-17 | 2020-09-17 | Rear end plate for rear longitudinal beam and rear longitudinal beam assembly |
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| CN (1) | CN112278077B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203402106U (en) * | 2013-08-01 | 2014-01-22 | 北京汽车股份有限公司 | Automobile front anti-collision beam assembly mounting structure and automobile |
| CN203601193U (en) * | 2013-12-11 | 2014-05-21 | 东风汽车公司 | Front anti-collision beam locating structure |
| CN205601527U (en) * | 2016-05-19 | 2016-09-28 | 广州汽车集团股份有限公司 | Towing pintle device and car behind car |
| CN208789626U (en) * | 2017-10-31 | 2019-04-26 | 华晨汽车集团控股有限公司 | A kind of automobile energy-absorbing cartridge pre-determined bit structure |
| CN110962937A (en) * | 2018-09-30 | 2020-04-07 | 长城汽车股份有限公司 | Longitudinal beam device and vehicle with same |
| CN209757026U (en) * | 2019-03-08 | 2019-12-10 | 重庆长安汽车股份有限公司 | Connecting component for anti-collision beam and longitudinal beam |
| CN210554642U (en) * | 2019-09-02 | 2020-05-19 | 广州精乐汽车部件有限公司 | Car anticollision roof beam energy-absorbing box cooperation turn-ups structure |
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| CN112278077A (en) | 2021-01-29 |
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Effective date of registration: 20220124 Address after: 430000 No. n3010, 3rd floor, R & D building, building n, Artificial Intelligence Science Park, Wuhan Economic and Technological Development Zone, Hubei Province Applicant after: Lantu Automobile Technology Co.,Ltd. Address before: 430056 No. 1 Dongfeng Avenue, Wuhan economic and Technological Development Zone, Hubei, Wuhan Applicant before: DONGFENG MOTOR Corp. |
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