CN103661182B - A kind of fast folding Anti-collision electric automobile bumper assembly - Google Patents

A kind of fast folding Anti-collision electric automobile bumper assembly Download PDF

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Publication number
CN103661182B
CN103661182B CN201210333754.XA CN201210333754A CN103661182B CN 103661182 B CN103661182 B CN 103661182B CN 201210333754 A CN201210333754 A CN 201210333754A CN 103661182 B CN103661182 B CN 103661182B
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CN
China
Prior art keywords
bumper
folding
assembly
central siphon
bumper body
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Expired - Fee Related
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CN201210333754.XA
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Chinese (zh)
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CN103661182A (en
Inventor
王文伟
林程
马军
曹万科
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Beijing Institute of Technology BIT
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Beijing Institute of Technology BIT
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Priority to CN201210333754.XA priority Critical patent/CN103661182B/en
Publication of CN103661182A publication Critical patent/CN103661182A/en
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Publication of CN103661182B publication Critical patent/CN103661182B/en
Expired - Fee Related legal-status Critical Current
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  • Air Bags (AREA)

Abstract

The present invention proposes a kind of fast folding Anti-collision electric automobile bumper assembly and it is characterized in that: the parts of this assembly include: the parts such as bumper body assembly, folding axle, hinge axis, foundation base, overcoat central siphon, buffer air bag, bumper lock, unlocking mechanism, warning sign board.Wherein it is fastenedly connected with two folding axles on the frontal plane of bumper body assembly, is as the criterion with automobile direction of advance, be front, after being reversed in the same direction.Having this collapsible axle of a hinge axis to be divided into before and after two sections by hinge axis in the middle part of every collapsible axle, its rear end, posterior segment is injected in bumper body assembly in the hole being mutually matched of bumper body, and with bumper firm welding, the front end of back segment is connected with hinge axis;The rear end of the leading portion of described collapsible axle is connected with hinge axis, and the front end of leading portion is injected in overcoat central siphon, can slide axially inside it;Described overcoat central siphon injects on car body in the axis hole of foundation base and firm welding again, for preventing collapsible axle from all going out and out of hand from trocar sheath lira, the leading portion lateral surface limited location groove of described collapsible axle, pull-out distance is controlled by the alignment pin of overcoat central siphon side;Described foundation base, together with Frame Welding, improves impact resistance during collision.

Description

A kind of fast folding Anti-collision electric automobile bumper assembly
Technical field
The invention belongs to electric vehicle engineering field, more particularly, relate to the bumper assembly technology of a kind of electric automobile changing battery module from rear portion.
Background technology
Along with the development of society, limited petroleum resources and problem of environmental pollution become to become increasingly conspicuous, and this makes electric automobile increasingly cause the attention of various circles of society, and electric automobile has become the direction that future automobile develops.One of key technology on electric automobile is energy resource supply problem, can be with quick-replaceable power battery module for solving that this problem industry develops, and it is provided and delivered by commercialization and solves the energy resource supply problem of electric automobile.The program has given to be discussed in detail in " ZL2011202588274 " number patent;The most how to load?One of which scheme is to be contained in by power battery module below the floor, rear portion of electrocar, and this scheme has many good qualities, but must solve the problem that battery module advances pull-out from rear portion;Wherein fast folding anti-impact bumper assembly is to ensure the key technology that this scheme is implemented smoothly;For solving this technical problem, a kind of easy to operate, bumper assembly technology of fast folding, anticollision must be invented;To the propelling of battery module of electric vehicle and pull-out provide out space and passage, convenient artificial with the quick despatch of equipment, ensure the problem that anticollision, solution charging interval length, continual mileage are short, realize the commercialization dis-tribution model of electric automobile energy supply, promote the industrialized development of electric automobile.
Summary of the invention
The purpose of the present invention is contemplated to solve the problems referred to above and propose.More particularly, provide a kind of fast folding Anti-collision electric automobile bumper assembly to the electric automobile changing battery module from rear portion.Ensure that bumper pull-out, under the cooperation of artificial and fast exchange device, was folded down in 1 minute, provides out spatial channel for electric automobile quick-change power battery module by it.
A kind of fast folding Anti-collision electric automobile bumper assembly that the present invention proposes is characterized in that: this assembly includes: bumper body assembly, folding axle, hinge axis, foundation base, overcoat central siphon, buffer air bag, bumper is locked, unlocking mechanism, warning sign board, wherein it is fastenedly connected with two folding axles on the frontal plane of bumper body assembly, wherein it is as the criterion with automobile direction of advance, it is front in the same direction, after being reversed, a hinge axis is had in the middle part of every folding axle, this folding axle is divided into before and after two sections by hinge axis, its rear end, posterior segment is injected in the hole being mutually matched of bumper body, and with bumper body firm welding, the front end of back segment is connected with hinge axis;The rear end of the leading portion of described folding axle is connected with hinge axis, and the front end of leading portion is injected in overcoat central siphon, can slide axially inside it;Described overcoat central siphon injects on car body in the axis hole of foundation base and firm welding again, for preventing folding axle from all going out and out of hand from trocar sheath lira, the leading portion lateral surface limited location groove of described folding axle, pull-out distance is controlled by the alignment pin of overcoat central siphon side;Described foundation base, together with Frame Welding, improves impact resistance during collision;After these two folding axles stretch respectively as mentioned above, travelling forward under promotion in bumper module, can inject smoothly in overcoat central siphon and reach design attitude, when this bumper arrives and specifies position, it carries out locking to have again the lockable mechanism designed to ensure;Otherwise when the unlocking mechanism designed is unblanked, bumper module can pull back and can be folded down;These two folding axles can go out and advance by the overcoat central siphon lira from car body described above after stretching as mentioned above, bumper module pull-out can rotate down folding when putting in place centered by hinge axis described above, provides out spatial channel to electric automobile from rear portion pull-out battery module.
This case one fast folding Anti-collision electric automobile bumper assembly, it is further characterized in that and improves collision prevention function for guarantee insurance thick stick assembly, it is mounted with buffer air bag on the hole frontal plane of described bumper body assembly overcoat central siphon, it is columnar shape outside this buffer air bag, core has arc space, and the endoporus of this buffer air bag can be by every folding axle as above;There is cylindrical plane at the most described every folding axle back segment rear portion, and when described bumper body assembly is advancing to the position, the cylindrical plane on described folding axle back segment presses to the back plane of buffer air bag and plays cushioning effect.
This case one fast folding Anti-collision electric automobile bumper assembly, it is further characterized in that as preventing rear-end collision, warning automobile below notes maintaining safe distance, triangle warning sign is installed after bumper assembly assembly as above, the selection of this triangle warning sign should possess the display lamp of high brightness, when below, vehicle is close to less than braking distance, it is glittering that this display lamp rises to cartoon type vibration, prevents car accident from occurring in order to warn rear car speed to slow down.
This case one fast folding Anti-collision electric automobile bumper assembly, it is further characterized in that as improving collision prevention function attractive in appearance with raising car conour, optimize this case bumper body assembly, according to concrete vehicle, eyelid covering after automobile and bumper module can be designed as integral bumper body, it is ensured that while coordinating with car conour, add again crashproof intensity.
Accompanying drawing explanation
Fig. 1 is schematic diagram during this case electric automobile quick-replacing battery module.
Fig. 2 is the pull-out of bumper body assembly straight line and the folded state schematic diagram of electric automobile.
Fig. 3 represents the block diagram of described bumper decomposing state.
Fig. 4 represents described bumper body component diagram.
Fig. 5 represents the structural representation of described bumper lockable mechanism.
Fig. 6 represents the structural representation of described bumper unlocking mechanism.
Fig. 7 represents the structural representation of described bumper buffer air bag.
Fig. 8 represents view during described bumper locking.
Detailed description of the invention
Detailed description of the invention is described below, Fig. 1 is the battery module quick change schematic diagram of this case a kind of fast folding Anti-collision electric automobile bumper assembly, in figure, 100 is electrocar, in figure, 200 is a kind of fast folding Anti-collision electric automobile bumper assembly described in this case, and in figure, 300 is the equipment of quick-replacing battery module.It is apparent that the bumper module described in this case is that after pulling out, folding rotates down 90 degree in figure, provide passage to the pull-out of battery module.
Fig. 2 is 3 operating position schematic diagrams of this case a kind of fast folding Anti-collision electric automobile bumper assembly, in its figure, 201 is the initial position of bumper assembly described in this case, in its figure, 202 is the pull-out location of bumper module in bumper assembly described in this case, and in its figure, 203 is the position that in bumper assembly described in this case, bumper module is folded towards down 90 degree after pulling out.
Fig. 3 is the exploded view of a kind of fast folding Anti-collision electric automobile bumper assembly described in this case, and in figure, 1 is vehicle frame rearward end with 1a;2 and 2a is as above and the foundation base of Frame Welding, porose 2-1 and 2-1a in the middle of it;In figure, 3 is overcoat central siphon with 3a, its leading portion limited location bearing pin 3-1 and 3a-1, rear end diameter cylindrical adds big cross section has macropore 3-2 Yu 3a-2 in order to be pressed into buffer air bag 4 and 4a, also inclined-plane 3-3 and 3a-3, also have lockpin hole 3-4 and 3a-4, also annular groove 3-5 and 3a-5;In figure, 4 is buffer air bag with 4a, and there is ring-type prominent 4-1 and 4a-1 end, has through hole 4-2 and 4a-2, separately have view specification structure in the middle of it;In figure, 5 and 5a is the leading portion of formula axle folding as described above, and there is groove 5-1 and 5a-1 vertically in the outside of its every collapsible axle, and rectangle 5-2 and 5a-2 as can be seen is processed in the end of rear end;In figure, 6 and 6a is the hinge pin of formula axle folding as described above;In figure, 7 and 7a is the back segment of formula axle folding as described above, and fork-shaped 7-1 as can be seen is processed in its front end, and with 7a-1, rear end cylindrical slightly before strengthens and forms planar annular 7-2 and 7a-2;In figure, 8 and 8a is the lock of lockable mechanism described in this case, separately has view to describe structure again in detail;In figure, 9 and 9a is the pull bar of lockable mechanism described in this case;In figure, 10 is the unlocking apparatus of lockable mechanism described in this case, separately has view to describe structure again in detail;In figure, 11 is bumper module as above, separately has view to describe structure again in detail.
nullFig. 4 is the schematic diagram of bumper body assembly described in this case,In figure, 11-1 is the thick stick body of bumper body assembly described above,In figure, 11-2 is the exterior skin of bumper body assembly,11-3 Yu 11-3a be bumper body assembly described above left and right outside thick stick body,11-4 is the anti-collision alarm sign board on bumper described above,11-1-1 Yu 11-1-1a is the thick stick body 11-1 welding hole with back segment folding shaft 7 with 7a of bumper body assembly 11 described above,11-1-2 Yu 11-1-2a is the thick stick body 11-1 installing hole with lockable mechanism lock 8 with 8a of bumper body assembly 11 described above,11-1-3 is the thick stick body 11-1 installing hole with unlocking mechanism 10 of bumper body assembly described above,In figure, the assembling way of bumper body assembly is tightly pluged with molten metal by bolt 11-5,The most multiple bolt 11-5 are firmly connected through thick stick body 11-1 and the eyelid covering 11-2 of bumper module with thick stick body 11-3 with 11-3a and anti-collision alarm sign board 11-4 outside outside left and right,Define entirety、Add rigidity、This structure discipline personnel be readily appreciated that,Do not stating more.
Fig. 5 is the structure member of bumper lockable mechanism lock described in this case, wherein 8 is the assembling figure of described lock, wherein 8-1 is the lock pin of described lock, wherein 8-2 is the lock body of described lock, wherein 8-3 is the return spring of described lock, wherein 8-4 is the screw plug with holes of described lock, wherein 8-5 is the rod end yoke of described lock, 8-6 is pull bar bearing pin, wherein 8-1-1 is the lock pin tailing screw flight of described lock, it is connected by the screwed hole of the rod end yoke of lock described in 8-5-1 in the Kong Yutu of the screw plug with holes of lock described in 8-4-1 in figure, and when pull bar pulls, lock pin can move axially;This structure discipline personnel it will be understood that do not stating more.
Fig. 6 is a kind of unlocking mechanism figure folding Anti-collision electric automobile bumper assembly described in this case, wherein 10 is described unlocking mechanism general assembly drawing, wherein 10-1 is described unlocking mechanism rotary shaft, wherein 10-2 Yu 10a-2 is described unlocking mechanism rod end yoke bearing pin, wherein 10-3 Yu 10a-3 is the rod end yoke of described unlocking mechanism, wherein 10-4 is the cursor of described unlocking mechanism, wherein 10-5 is the securing member of described unlocking mechanism, wherein 10-1-1 is the afterbody rectangle cube of described unlocking mechanism rotary shaft, this afterbody rectangle cube coordinates with the rectangle square hole of 10-4-1, when rotary shaft rotates, turning arm is driven rotation, thus pull rod end yoke to move, structure discipline skill will readily appreciate that herein, much more no longer to state.
Fig. 7 is the structure chart of buffer air bag described in this case, and in its figure, 4 is the axonometric chart of described buffer air bag, and in figure, 4-3 is the planing surface figure of described buffer air bag, and in figure, 4-1 is the annular convex ring of described buffer air bag end, and in figure, 4-2 is the through hole of described buffer air bag.
Fig. 8 is the lockup state figure after a kind of fast folding Anti-collision electric automobile bumper assembly separates with automobile described in this case.
Below in conjunction with carefully stating the work process of a kind of fast folding Anti-collision electric automobile bumper assembly described in this case with top view, in Fig. 3 described above, 1 is vehicle frame rearward end with 1a, in figure, 2 is as above and the foundation base of Frame Welding with 2a, in figure, 2-1 Yu 2a-1 is the endoporus of foundation base, overcoat central siphon 3 and 3a are injected in described foundation base endoporus 2-1 Yu 2a-1 firm welding again, it is pressed into 4 in the overcoat central siphon 3 back plane hole 3-2 Yu 3a-2 with 3a with 4a buffer air bag, this part part is rigidly connected with vehicle frame, should not have movement.
The most carefully stating relative fixation portions and divide the movable part said, in figure, 5 and 5a is the leading portion of formula axle folding as described above, and the end of rear end is processed into such as the rectangle of 5-2 Yu 5a-2 in figure;This part forms chain connection by fork portion 7-1 Yu 7a-1 of hinge pin 6 with 6a with the back segment front end of collapsible axle, can rotate around hinge pin and define collapsible axle, and from the point of view of this, diagramatic technology personnel are easy to understand.In the rear end reeve bumper body assembly of i.e. 7-1 Yu 7a-1 in the rear end of the above collapsible axle on thick stick body 11-1 in the hole of 11-1-1 Yu 11a-1-1, and firm welding makes it be rigidly connected with the bumper module of Fig. 4.After collapsible axle as above has been connected with bumper body assembly, the lock 8 and 8a of lockable mechanism is installed at 11-1-2 Yu the 11-1-2a hole of bumper body 11-1 again, unlocking mechanism 10 as above is installed at the 11-1-3 hole of bumper body 11-1 as above again, installing shackle rod 9 and 9a again, this part is the most just readily appreciated that and need not too much carefully state.
nullThe work process that explanation locking folds with pull-out of unblanking below,After bumper module and collapsible axle assemble as mentioned above,Just the front end of collapsible axle can be injected in hole 2-1 Yu 2a-1 of trocar sheath as above,Grasp outer thick stick body 11-3 Yu 11-3a in left and right and promote forward bumper body assembly,Until lockable mechanism as above lock 8 and lock pin head 8-1 Yu 8a-1 of 8a run into the inclined-plane at the overcoat central siphon 3 described above 3-3 Yu 3a-3 with 3a,Owing to ramp effect makes lock pin 8-1 Yu 8a-1 of described lock to the lock body 8-2 of described lock and 8a-2 indentation,It in time sliding into the lockpin hole 3-4 and 3a-4 of overcoat central siphon 3 and 3a described above along inclined-plane,Described lock 8 and the head of lock pin 8-1 Yu 8a-1 of 8a just inject the locking achieving described bumper body assembly in the described overcoat central siphon 3 hole 3-4 Yu 3a-4 with 3a.
Illustrate to unblank process below, rotate rotary shaft 10-1 of unlocking mechanism 10 as above, the cursor 10-4 of described unlocking mechanism just stretchy rod end yoke 10-3 Yu 10a-3 moves, thus pull described unlocking mechanism pull bar 9 to move with 9a, described unlocking mechanism pull bar 9 and 9a pull again lock pin 8-1 Yu the 8a-1 motion of institute described above lockable mechanism lock 8 and 8a, the head making described lock pin 8-1 Yu 8a-1 departs from hole 3-4 and 3a-4 of described overcoat central siphon 3 and 3a, thus realizes unblanking;Pull-out is continued after unblanking, during until overcoat central siphon 3 is run into the location screw 3-1 on 3a and 3a-1 in the leading section of groove 5-1 Yu 5a-1 axially outside of each collapsible axle, back segment and the hinge pin 6 of the most collapsible axle the most all move correct position to 6a, fold bumper body assembly still further below, complete the work process of pull-out, provide out passage to the handling of the battery module of electric automobile.
The work process of buffer air bag 4 is described below, can be seen that in conjunction with Fig. 7 with Fig. 3, buffer air bag 4 and 4a are arranged on the rear end of overcoat central siphon 3 and 3a, its buffer air bag 4 is stuck in annular groove 3-5 Yu 3a-5 in rear end macropore 3-2 Yu 3a-2 of overcoat central siphon 3 and 3a with bulge loop 4-1 Yu 4a-1 of 4a, and intermediate throughholes 4-2 of its buffer air bag 4 and 4a-2 are folded formula axle 5 and 5a, 7 pass with 7a;Bumper body assembly 11 as above shift onto position be locked out time, the rear end of the collapsible axle of described back segment is strengthened plane 7-2 and 7a-2 at cylindrical and is just compressed described vacuum air bag, colliding, as produced, the purpose that just can reach to buffer at this, this point combines Fig. 7 with Fig. 3 and is apparent from.
The work process of triangle warning plate is described below, in the diagram it can be seen that 11-4 in bumper body assembly 11 as above is the warning sign of triangle, the display lamp of high brightness it is mounted with on this board, when the selection of this triangle warning sign should possess that vehicle is close to less than braking distance below, it is glittering that this display lamp starts cartoon type vibration, prevents car accident from occurring in order to warn rear car speed to slow down.
This case achieves a kind of fast folding Anti-collision electric automobile bumper assembly as mentioned above, condition is created for electric automobile quick-replacing battery module, for realizing concentrating the commercialization dispensing of charging, battery module, the industrialization to electric automobile has certain positive effect and effect.
The present invention is illustrated by above example, it is understood, however, that this case here comprises the purpose of these particular example and embodiment, is to help those of skill in the art to put into practice the present invention;Those skilled in the art it is to be appreciated that described above is only that the signal to detailed description of the invention illustrates, are still determined on a case-by-case basis when implementing the design of concrete electric automobile.

Claims (4)

1. a fast folding Anti-collision electric automobile bumper assembly is characterized in that: this assembly includes: bumper body assembly, folding axle, hinge axis, foundation base, overcoat central siphon, buffer air bag, bumper is locked, unlocking mechanism, warning mark, wherein it is fastenedly connected with two folding axles on the frontal plane of bumper body assembly, wherein it is as the criterion with automobile direction of advance, it is front in the same direction, after being reversed, a hinge axis is had in the middle part of every folding axle, this folding axle is divided into before and after two sections by hinge axis, in its rear end, posterior segment reeve bumper body assembly in the hole being mutually matched of bumper body, and with bumper body firm welding, the front end of back segment is connected with hinge axis;The rear end of the leading portion of described folding axle is connected with hinge axis, and the front end of leading portion is injected in overcoat central siphon, can slide axially inside it;Described overcoat central siphon injects on car body in the axis hole of foundation base and firm welding again, for preventing folding axle from all going out and out of hand from overcoat central siphon lira, the leading portion lateral surface limited location groove of described folding axle, pull-out distance is controlled by the alignment pin of overcoat central siphon side;Described foundation base, together with Frame Welding, improves impact resistance during collision;After these two folding axles stretch respectively as mentioned above, travel forward under promotion at bumper body assembly, can inject smoothly in overcoat central siphon and reach design attitude, when this bumper body assembly arrives and specifies position, it carries out locking to have again the lockable mechanism designed to ensure;Otherwise when the unlocking mechanism designed is unblanked, bumper body assembly can pull back and can be folded down;These two folding axles can go out and advance by the overcoat central siphon lira from car body described above after stretching as mentioned above, the pull-out of bumper body assembly can rotate down folding when putting in place centered by hinge axis described above, provides out spatial channel to electric automobile from rear portion pull-out battery module.
2. according to claim 1 fast folding Anti-collision electric automobile bumper assembly, it is further characterized in that and improves collision prevention function for guarantee insurance thick stick assembly, it is mounted with buffer air bag on the hole frontal plane of described bumper body assembly overcoat central siphon, it is columnar shape outside this buffer air bag, core has arc space, and the endoporus of this buffer air bag can be by every folding axle as above;There is cylindrical plane at the most described every folding axle back segment rear portion, and when described bumper module is advancing to the position, the cylindrical plane on described folding axle back segment presses to the back plane of buffer air bag and plays cushioning effect.
3. according to claim 1 fast folding Anti-collision electric automobile bumper assembly, it is further characterized in that as preventing rear-end collision, warning automobile below notes maintaining safe distance, triangle warning sign is installed after bumper body assembly as above, the selection of this triangle warning sign should possess the display lamp of high brightness, when below, vehicle is close to less than braking distance, it is glittering that this display lamp rises to cartoon type vibration, prevents car accident from occurring in order to warn rear car speed to slow down.
4. according to claim 1 fast folding Anti-collision electric automobile bumper assembly, it is further characterized in that as improving collision prevention function attractive in appearance with raising car conour, according to concrete vehicle, eyelid covering after automobile and bumper body assembly can be designed as integral bumper body, it is ensured that while coordinating with car conour, add again crashproof intensity.
CN201210333754.XA 2012-09-07 2012-09-07 A kind of fast folding Anti-collision electric automobile bumper assembly Expired - Fee Related CN103661182B (en)

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CN118046938B (en) * 2024-04-16 2024-06-21 太原理工大学 Cavity-separating type expansion stretch deformation energy-absorbing high-speed train anti-collision buffer

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Publication number Priority date Publication date Assignee Title
US2222404A (en) * 1938-08-23 1940-11-19 Cookenboo Elwood Vehicle bumper
EP0588719A1 (en) * 1992-09-16 1994-03-23 Ecia - Equipements Et Composants Pour L'industrie Automobile Tiltable bumper for vehicles
US5678872A (en) * 1996-04-08 1997-10-21 Ford Global Technologies, Inc. Concealable vehicle bumper step
CN2905564Y (en) * 2006-03-28 2007-05-30 于强 Folding type automotive bumper
CN101224732A (en) * 2008-02-25 2008-07-23 中国国际海运集装箱(集团)股份有限公司 Foldaway back bumper
CN102658806A (en) * 2012-05-09 2012-09-12 吉林大学 Telescopic automobile bumper

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2222404A (en) * 1938-08-23 1940-11-19 Cookenboo Elwood Vehicle bumper
EP0588719A1 (en) * 1992-09-16 1994-03-23 Ecia - Equipements Et Composants Pour L'industrie Automobile Tiltable bumper for vehicles
US5678872A (en) * 1996-04-08 1997-10-21 Ford Global Technologies, Inc. Concealable vehicle bumper step
CN2905564Y (en) * 2006-03-28 2007-05-30 于强 Folding type automotive bumper
CN101224732A (en) * 2008-02-25 2008-07-23 中国国际海运集装箱(集团)股份有限公司 Foldaway back bumper
CN102658806A (en) * 2012-05-09 2012-09-12 吉林大学 Telescopic automobile bumper

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Granted publication date: 20160629