CN110979229A - Detachable rear collision beam assembly - Google Patents
Detachable rear collision beam assembly Download PDFInfo
- Publication number
- CN110979229A CN110979229A CN201911066147.XA CN201911066147A CN110979229A CN 110979229 A CN110979229 A CN 110979229A CN 201911066147 A CN201911066147 A CN 201911066147A CN 110979229 A CN110979229 A CN 110979229A
- Authority
- CN
- China
- Prior art keywords
- energy absorption
- hole
- absorption box
- bearing frame
- collision
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010521 absorption reaction Methods 0.000 claims abstract description 58
- 208000035126 Facies Diseases 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 9
- 230000000712 assembly Effects 0.000 abstract description 5
- 238000000429 assembly Methods 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 8
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- B60R19/38—Arrangements for mounting bumpers on vehicles adjustably or movably mounted, e.g. horizontally displaceable for securing a space between parked vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a detachable rear collision beam assembly which comprises an anti-collision rear beam and an energy absorption box, wherein plug boards are connected to two ends of the back side of the anti-collision rear beam, and a positioning hole and a first connecting hole are arranged on the surface of each plug board in a penetrating manner; the number of the energy absorption boxes is two, one end of each energy absorption box is connected with a mounting plate, and through holes are formed in four corners of the mounting plate; the outer side of each energy absorption box is provided with a second connecting through hole in a penetrating mode, two opposite faces of each energy absorption box are provided with limiting holes, the limiting holes correspond to the positioning holes, the opposite faces of the two energy absorption boxes are provided with elastic pressing assemblies, the telescopic ends of the elastic pressing assemblies are connected with positioning columns, the positioning columns are used for pushing the positioning columns to penetrate through the limiting holes and extend into the energy absorption boxes, and the inner ends of the positioning columns are of conical structures. Has the advantages that: adopt the detachable mode to install at the rear of a vehicle, the dismouting easy operation is convenient, and excellent in use effect need not to use other frocks to assist, helps practicing thrift the cost.
Description
Technical Field
The invention relates to the technical field of anti-collision rear beams, in particular to a detachable rear collision beam assembly.
Background
The rear collision beam assembly of the automobile aims to reduce the influence of collision on a passenger compartment and protect the safety of drivers and passengers, and when the automobile collides, the rear collision beam deforms to absorb energy, so that the energy is absorbed by the drivers and passengers. However, the current automobile rear collision beam assembly is welded at the tail of the automobile, and a tool needs to be used for supporting during installation, so that the automobile rear collision beam assembly is inconvenient to disassemble and assemble, and the using effect is not ideal.
Disclosure of Invention
The invention aims to solve the problems, and provides a detachable rear collision beam assembly to solve the technical problems that the conventional automobile rear collision beam assembly is welded at the tail of an automobile and needs to be supported by a tool during installation, so that the automobile rear collision beam assembly is inconvenient to disassemble and assemble, the use effect is not ideal and the like. According to the technical scheme, the optimal technical scheme is detachably arranged on the tail of the vehicle, the dismounting operation is simple and convenient, the using effect is good, other tools are not needed for assistance, the technical effects of saving cost and the like are facilitated, and the details are explained in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a detachable rear collision beam assembly which comprises an anti-collision rear beam and an energy absorption box, wherein plug boards are connected to two ends of the back side of the anti-collision rear beam and are in plug fit with the energy absorption box, and positioning holes and first connecting holes are formed in the surface of each plug board in a penetrating mode;
the energy absorption device comprises two energy absorption boxes, wherein one end of each energy absorption box is connected with an installation plate, and through holes are formed in four corners of the installation plate and used for installing the two energy absorption boxes on two sides of the tail of a vehicle respectively; a second connecting through hole penetrates through the outer side of the energy absorption box, corresponds to the first connecting through hole and is used for being matched with a bolt and a nut to realize the connection and fixation of the plugboard and the energy absorption box; the opposite surfaces of the two energy absorption boxes are provided with limiting holes, the limiting holes correspond to the positioning holes, the opposite surfaces of the two energy absorption boxes are provided with elastic pressing assemblies, the telescopic ends of the elastic pressing assemblies are connected with positioning columns, the plugboard is inserted into the energy absorption boxes, the elastic pressing assemblies push the positioning columns to penetrate through the limiting holes and extend into the energy absorption boxes, the positioning columns and the positioning holes are matched and positioned to enable the first connecting through holes and the second connecting through holes to be coaxial, and the inner ends of the positioning columns are of conical structures.
When the detachable rear collision beam assembly is used, the two energy absorption boxes are respectively arranged at two sides of the tail of an automobile through the mounting plate during mounting, the anti-collision rear beam is lifted, the two inserting plates respectively correspond to the two energy absorption boxes, the inserting plates are inserted into the energy absorption boxes, because the inner ends of the positioning columns are of the conical structures, when the inserting plates are inserted into the energy absorption boxes, the inserting plates apply horizontal component force to the positioning columns, the elastic force of the elastic pressing components is overcome, the positioning columns completely enter the limiting holes, when the positioning holes are coaxial with the limiting holes along with the insertion of the inserting plates, the elastic force of the elastic pressing components is utilized to push the positioning columns to penetrate the limiting holes and be inserted into the positioning holes, the positioning of the inserting plates is realized, and the first connecting through holes and the second connecting through holes are in a coaxial state, through first connect the through-hole with second connect the through-hole cooperation bolt nut realize right the plugboard with the connection of energy-absorbing box is fixed, and the device adopts the detachable mode to install at the rear of a vehicle, and dismouting easy operation is convenient, and excellent in use effect need not to use other frocks to assist, helps practicing thrift the cost.
Preferably, the elastic pressing assembly comprises a bearing frame, the bearing frame is of an n-shaped structure, the open end of the bearing frame is connected with the energy absorption box, a guide hole is formed in the outer side face of the bearing frame in a penetrating mode, the guide hole is coaxial with the limiting hole, a sliding column is slidably mounted inside the guide hole, the sliding column is located at the end portion inside the bearing frame and is connected with a pressing plate, the pressing plate is connected with the positioning column, a pressing spring is sleeved on the outer side of the sliding column, and the pressing spring is located between the pressing plate and the inner wall of the bearing frame.
Preferably, the side face of the energy absorption box, which is at the same side as the limiting hole, is provided with a threaded hole, the outer side of the bearing frame is welded with an ear plate with a through hole, and the through hole of the ear plate corresponds to the threaded hole.
Preferably, the end of the sliding column far away from the pressing plate is connected with a pulling plate.
Preferably, the plugboard is in clearance fit with the inner wall of the energy absorption box.
Preferably, the anti-collision back beam is of a convex arc structure.
Preferably, the cross section of the anti-collision back beam is of a structure shaped like a Chinese character ji.
Has the advantages that: adopt the detachable mode to install at the rear of a vehicle, the dismouting easy operation is convenient, and excellent in use effect need not to use other frocks to assist, helps practicing thrift the cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a top cross-sectional view of the present invention;
FIG. 3 is an enlarged view of the construction of the resilient hold-down assembly of the present invention;
fig. 4 is a schematic cross-sectional view of an impact rear beam of the present invention.
The reference numerals are explained below:
1. an anti-collision rear beam; 2. a plugboard; 201. positioning holes; 202. a first connecting through hole; 3. an energy absorption box; 301. a second connecting through hole; 302. a limiting hole; 303. a threaded hole; 4. an elastic compression assembly; 401. pressing a plate; 402. a compression spring; 403. pulling a plate; 404. a sliding post; 405. a guide hole; 406. a carrier; 407. an ear plate; 5. mounting a plate; 6. and a positioning column.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Referring to fig. 1-4, the invention provides a detachable rear collision beam assembly, which comprises an anti-collision rear beam 1 and an energy absorption box 3, wherein plug boards 2 are connected to two ends of the back side of the anti-collision rear beam 1, the plug boards 2 are in plug fit with the energy absorption box 3, and a positioning hole 201 and a first connecting hole 202 penetrate through the surface of each plug board 2;
the number of the energy absorption boxes 3 is two, one end of each energy absorption box 3 is connected with a mounting plate 5, and through holes are formed in four corners of each mounting plate 5 and used for mounting the two energy absorption boxes 3 on two sides of the tail of the vehicle respectively; a second connecting through hole 301 penetrates through the outer side of the energy absorption box 3, and the second connecting through hole 301 corresponds to the first connecting through hole 202 and is used for being matched with a bolt and a nut to realize the connection and fixation of the plugboard 2 and the energy absorption box 3; the opposite surfaces of the two energy absorption boxes 3 are provided with limiting holes 302, the limiting holes 302 correspond to the positioning holes 201, the opposite surfaces of the two energy absorption boxes 3 are provided with elastic pressing components 4, the telescopic ends of the elastic pressing components 4 are connected with positioning columns 6, the plugboard 2 is inserted into the energy absorption boxes 3, the elastic pressing components 4 push the positioning columns 6 to penetrate through the limiting holes 302 and stretch into the energy absorption boxes 3, the positioning columns 6 and the positioning holes 201 are matched and positioned to enable the first connecting through holes 202 and the second connecting through holes 301 to be coaxial, and the inner ends of the positioning columns 6 are of conical structures.
As an alternative embodiment, the elastic pressing assembly 4 includes a bearing frame 406, the bearing frame 406 is of an "n" shaped structure, an open end of the bearing frame 406 is connected to the energy absorption box 3, a guide hole 405 is formed in an outer side surface of the bearing frame, the guide hole 405 is coaxial with the limiting hole 302, a sliding column 404 is slidably mounted in the guide hole 405, a pressing plate 401 is connected to an end portion of the sliding column 404 located in the bearing frame 406, the pressing plate 401 is connected to the positioning column 6, a pressing spring 402 is sleeved on an outer side of the sliding column 404, and the pressing spring 402 is located between the pressing plate 401 and an inner wall of the bearing frame 406, so that the pressing plate 401 is pushed by an elastic force of the pressing spring 402, and under the limiting guiding action of the sliding column 404 and the guide hole 405, the pressing.
The side face of the energy absorption box 3 on the same side with the limiting hole 302 is provided with a threaded hole 303, the outer side of the bearing frame 406 is welded with an ear plate 407 with a through hole, the through hole of the ear plate 407 corresponds to the threaded hole 303, and the ear plate 407 and the threaded hole 303 are matched with a screw so as to facilitate the installation of the elastic compression assembly 4 on the outer side of the energy absorption box 3.
The end of the sliding post 404 remote from the pressing plate 401 is connected with a pulling plate 403, so that when the elastic pressing assembly 4 is installed, the sliding post 404 is pulled by the pulling plate 403, so that the pressing plate 401 and the positioning post 6 completely enter the inside of the bearing frame 406, thereby facilitating the installation of the bearing frame 406 outside the energy absorption box 3.
The inner walls of the plugboard 2 and the energy absorption box 3 are in clearance fit, so that the plugboard 2 and the energy absorption box 3 can be in full contact, and the installation stability of the anti-collision rear beam 1 is ensured.
Anticollision back-beam 1 becomes convex arc structure, sets up the deformation space that can increase anticollision back-beam 1 like this, helps improving the energy-absorbing effect of anticollision back-beam 1.
The cross-section of anticollision back beam 1 is "nearly" style of calligraphy structure, sets up like this and can increase the bulk strength of anticollision back beam 1 under the unchangeable condition of anticollision back beam 1 quality.
By adopting the structure, when in installation, the two energy absorption boxes 3 are respectively arranged at two sides of the tail of the automobile through the mounting plate 5, the anti-collision rear beam 1 is lifted, the two inserting plates 2 respectively correspond to the two energy absorption boxes 3, the inserting plates 2 are inserted into the energy absorption boxes 3, because the inner ends of the positioning columns 6 are of the conical structures, when the inserting plates 2 are inserted into the energy absorption boxes 3, the inserting plates 2 apply horizontal component force to the positioning columns 6, the positioning columns 6 completely enter the limiting holes 302 by overcoming the elasticity of the elastic pressing components 4, when the positioning holes 201 are coaxial with the limiting holes 302 along with the insertion of the inserting plates 2, the positioning columns 6 are pushed to pass through the limiting holes 302 and be inserted into the positioning holes 201 by utilizing the elasticity of the elastic pressing components 4, the inserting plates 2 are positioned, the first connecting through holes 202 and the second connecting through holes 301 are in a coaxial state, the first connecting through holes 202 and the second connecting through holes 301 are matched with bolt nuts to realize the connection and fixation of, the device adopts the detachable mode to install at the rear of a vehicle, and dismouting easy operation is convenient, and excellent in use effect need not to use other frocks to assist, helps practicing thrift the cost.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (7)
1. A collision crossbeam assembly behind removable fraction which characterized in that: the anti-collision rear beam comprises an anti-collision rear beam (1) and an energy absorption box (3), wherein plug boards (2) are connected to two ends of the back side of the anti-collision rear beam (1), the plug boards (2) are in plug fit with the energy absorption box (3), and positioning holes (201) and first connecting through holes (202) penetrate through the surface of each plug board (2);
the number of the energy absorption boxes (3) is two, one end of each energy absorption box (3) is connected with a mounting plate (5), and through holes are formed in four corners of each mounting plate (5) and used for mounting the two energy absorption boxes (3) on two sides of the tail of the vehicle respectively; a second connecting through hole (301) penetrates through the outer side of the energy absorption box (3), and the second connecting through hole (301) corresponds to the first connecting through hole (202) and is used for being matched with a bolt and a nut to realize the connection and fixation of the plugboard (2) and the energy absorption box (3); two the facies in opposite directions of energy-absorbing box (3) is provided with spacing hole (302), spacing hole (302) with locating hole (201) is corresponding, two the facies in opposite directions of energy-absorbing box (3) is provided with elasticity and compresses tightly subassembly (4), the flexible end that elasticity compressed tightly subassembly (4) is connected with reference column (6), will plugboard (2) insert inside energy-absorbing box (3), elasticity compresses tightly subassembly (4) and promotes reference column (6) run through spacing hole (302) stretch into inside energy-absorbing box (3), reference column (6) and locating hole (201) cooperation location make first connecting hole (202) with second connecting hole (301) are coaxial, the inner of reference column (6) is the toper structure.
2. A detachable rear impact beam assembly according to claim 1, wherein: the elastic pressing assembly (4) comprises a bearing frame (406), the bearing frame (406) is of an n-shaped structure, the opening end of the bearing frame is connected with the energy absorption box (3), a guide hole (405) penetrates through the outer side face of the bearing frame, the guide hole (405) is coaxial with the limiting hole (302), a sliding column (404) is installed inside the guide hole (405) in a sliding mode, the sliding column (404) is located at the end portion inside the bearing frame (406), a pressing plate (401) is connected to the end portion inside the bearing frame (406), the pressing plate (401) is connected with the positioning column (6), a pressing spring (402) is sleeved on the outer side of the sliding column (404), and the pressing spring (402) is located between the pressing plate (401) and the inner wall of the bearing frame (.
3. A detachable rear impact beam assembly according to claim 2, wherein: the energy absorption box (3) and the side face of the same side of the limiting hole (302) are provided with threaded holes (303), the outer side of the bearing frame (406) is welded with an ear plate (407) with a through hole, and the through hole of the ear plate (407) corresponds to the threaded hole (303).
4. A detachable rear impact beam assembly according to claim 3, wherein: the end part of the sliding column (404) far away from the pressing plate (401) is connected with a pulling plate (403).
5. A detachable rear impact beam assembly according to claim 1, wherein: the plugboard (2) is in clearance fit with the inner wall of the energy absorption box (3).
6. A detachable rear impact beam assembly according to claim 1, wherein: the anti-collision rear beam (1) is of a convex arc structure.
7. A detachable rear impact beam assembly according to claim 6, wherein: the cross section of the anti-collision back beam (1) is of a structure shaped like a Chinese character 'ji'.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911066147.XA CN110979229A (en) | 2019-11-04 | 2019-11-04 | Detachable rear collision beam assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911066147.XA CN110979229A (en) | 2019-11-04 | 2019-11-04 | Detachable rear collision beam assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110979229A true CN110979229A (en) | 2020-04-10 |
Family
ID=70083043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911066147.XA Pending CN110979229A (en) | 2019-11-04 | 2019-11-04 | Detachable rear collision beam assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110979229A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111547137A (en) * | 2020-06-24 | 2020-08-18 | 丹阳市车船装饰件有限公司 | Automobile anti-collision beam structure based on bionic design |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010100259A (en) * | 2008-10-27 | 2010-05-06 | Toyota Motor Corp | Vehicle end structure |
| JP2012116254A (en) * | 2010-11-30 | 2012-06-21 | Toyoda Iron Works Co Ltd | Installation structure of shock absorbing member for vehicle |
| JP2012131442A (en) * | 2010-12-24 | 2012-07-12 | Showa Denko Kk | Impact absorbing member |
| CN107585121A (en) * | 2017-09-26 | 2018-01-16 | 南京思齐环保仪器有限公司 | A kind of anticollision girder construction of oil truck |
| CN206914283U (en) * | 2017-07-19 | 2018-01-23 | 河北工业职业技术学院 | A kind of automobile mechanical impact attenuation device |
| CN108146374A (en) * | 2017-12-27 | 2018-06-12 | 成都伍加玖网络科技有限公司 | A kind of automobile collision preventing structure |
| CN209305520U (en) * | 2019-01-16 | 2019-08-27 | 重庆大佛塑料有限公司 | A kind of bumper convenient for assembly |
-
2019
- 2019-11-04 CN CN201911066147.XA patent/CN110979229A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010100259A (en) * | 2008-10-27 | 2010-05-06 | Toyota Motor Corp | Vehicle end structure |
| JP2012116254A (en) * | 2010-11-30 | 2012-06-21 | Toyoda Iron Works Co Ltd | Installation structure of shock absorbing member for vehicle |
| JP2012131442A (en) * | 2010-12-24 | 2012-07-12 | Showa Denko Kk | Impact absorbing member |
| CN206914283U (en) * | 2017-07-19 | 2018-01-23 | 河北工业职业技术学院 | A kind of automobile mechanical impact attenuation device |
| CN107585121A (en) * | 2017-09-26 | 2018-01-16 | 南京思齐环保仪器有限公司 | A kind of anticollision girder construction of oil truck |
| CN108146374A (en) * | 2017-12-27 | 2018-06-12 | 成都伍加玖网络科技有限公司 | A kind of automobile collision preventing structure |
| CN209305520U (en) * | 2019-01-16 | 2019-08-27 | 重庆大佛塑料有限公司 | A kind of bumper convenient for assembly |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111547137A (en) * | 2020-06-24 | 2020-08-18 | 丹阳市车船装饰件有限公司 | Automobile anti-collision beam structure based on bionic design |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215883808U (en) | Rear end structure of vehicle body | |
| CN110979229A (en) | Detachable rear collision beam assembly | |
| CN203358385U (en) | Assembly structure of automobile seat beam | |
| CN201148150Y (en) | Double energy-absorption type automobile front bumper | |
| CN210391306U (en) | Front collision beam assembly and vehicle | |
| CN209870312U (en) | Automobile anti-collision beam with high-efficiency energy absorption function | |
| CN209126810U (en) | Front longitudinal beam structure of automobile and automobile including it | |
| KR101118954B1 (en) | Crash box in automotive bumper system | |
| CN114261359A (en) | Automobile anti-collision box and automobile anti-collision structure | |
| CN210526649U (en) | Anti-collision energy-absorbing structure | |
| CN204037506U (en) | The mounting bracket of automobile copilot position safety air bag and corresponding automobile | |
| KR20210149399A (en) | Apparatus to prevent a sub frame of an electric vehicle with a wireless charging pad from being pushed back | |
| CN107985330B (en) | Anti-creep device and rail vehicle | |
| CN215752277U (en) | Aluminum vehicle door anti-collision beam reinforcing structure | |
| CN103241201A (en) | Storage battery mounting device and automobile with same | |
| CN201842144U (en) | Automobile front wall | |
| CN213262934U (en) | Unmanned aerial vehicle's shock attenuation body dismouting structure | |
| CN218112563U (en) | Crash-proof energy absorption box assembly | |
| KR101005461B1 (en) | Crash box in automotive bumper system | |
| CN216734171U (en) | Bumper with anti-collision structure for heavy-duty car | |
| CN217347725U (en) | Rear anti-collision beam assembly of automobile | |
| CN209938741U (en) | Support installed on engine compartment longitudinal beam | |
| CN214929547U (en) | Press-mounting type energy absorption box assembly and vehicle | |
| CN204055683U (en) | A kind of vehicle Rear Underrun Protection Devices | |
| CN211281200U (en) | Vehicle framework structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200410 |