CN103661182A - Quick folding anticollision type electric car bumper - Google Patents
Quick folding anticollision type electric car bumper Download PDFInfo
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- CN103661182A CN103661182A CN201210333754.XA CN201210333754A CN103661182A CN 103661182 A CN103661182 A CN 103661182A CN 201210333754 A CN201210333754 A CN 201210333754A CN 103661182 A CN103661182 A CN 103661182A
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- bumper
- spoiler
- axle
- central siphon
- assembly
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Abstract
The invention provides a quick folding anticollision type electric car bumper assembly. The quick folding anticollision type electric car bumper assembly is characterized in that two foldable shafts are connected on the front plane of the bumper body component of the quick folding anticollision type electric car bumper in a fastening mode, a hinge shaft is arranged in the middle of each foldable shaft, each foldable shaft is divided into a front section and a rear section by the corresponding hinge shaft, the rear ends of the rear sections are inserted into matched holes of the bumper body of the bumper body component, and are firmly welded to the bumper, and the front ends of the rear sections are connected with the hinge shafts. The rear ends of the front sections of the foldable shafts are connected with the hinge shafts, and the front ends of the front sections are inserted into outer sleeve shaft tubes, and can axially slide in the outer sleeve shaft tubes. The outer sleeve shaft tubes are inserted into shaft holes of a base on a car body and are firmly welded, the two foldable shafts can be pulled out of and pushed in the outer sleeve shaft tubes on the car body after being straightened, the bumper component can be rotated and folded downwards with the hinge shafts as the center after being pulled out in place, and space channels are provided for a battery module pulled out of the rear portion of the electric car.
Description
Technical field
The invention belongs to electric vehicle engineering field, more particularly, relate to a kind of bumper/spoiler assembly technology of changing the electronlmobil of battery module from rear portion.
Background technology
Along with social development, limited oil resources and problem of environmental pollution become and become increasingly conspicuous, and this makes electronlmobil more and more cause the attention of various circles of society, and electronlmobil has become the direction of future automobile development.One of gordian technique on electronlmobil is energy resource supply problem, can quick-replaceable power battery module for addressing this problem that industry developed, and it is provided and delivered and is solved the energy resource supply problem of electronlmobil by commercialization.This scheme has been given detailed discussion in < < ZL2011202588274 > > patent; So how load? wherein scheme is power battery module to be contained in to a rear portion underfloor for electrocar, and this scheme has many good qualities, but must solve battery module, advances the problem of pulling out from rear portion; Wherein fast folding anti-impact bumper assembly is the gordian technique that guarantees that this scheme is implemented smoothly; For solving this technical matters, must invent the bumper/spoiler assembly technology of a kind of easy to operate, fast folding, anticollision; Give the propelling of battery module of electric vehicle and pull out provide space and passage, convenient artificial and equipment quick handling, guarantee anticollision, the problem that solution charging duration is long, continual mileage is short, realize the commercialization dispensing pattern that electric automobile energy is supplied with, promote the industrialized development of electronlmobil.
Summary of the invention
Object of the present invention proposes in order to address the above problem.More particularly, a kind of fast folding Anti-collision electric automobile bumper assembly is provided to the electronlmobil of changing battery module from rear portion.Guarantee that it,, under the cooperation of artificial and exchange device soon, pulled out bumper/spoiler to be folded down, for electronlmobil quick-change power battery module provides spatial channel in 1 minute.
A kind of fast folding Anti-collision electric automobile bumper assembly (calling bumper/spoiler in the following text) that the present invention proposes is characterized in that: on the frontal plane of the bumper/spoiler body assembly of this fast folding Anti-collision electric automobile bumper (calling bumper/spoiler body assembly in the following text), (for convenience of carefully stating, with automobile working direction, be as the criterion below, be front in the same way, after being reversed) be fastenedly connected with two folding axles (hereinafter referred to as collapsible axle), every there is a hinge axis (calling hinge axis in the following text) at collapsible axle middle part, this collapsible axle is divided into two sections of front and back by hinge axis, in the hole of the mutual coupling of its rear end, posterior segment reeve bumper/spoiler body, and with bumper/spoiler 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 injects in overcoat central siphon (hereinafter referred to as overcoat central siphon), can endwisely slip in its inside, described overcoat central siphon injects in the axis hole of foundation base on car body and firm welding again, for preventing that collapsible axle from all going out get out of hand from outer tube lira, the leading portion lateral surface limited location groove of described collapsible axle, pulls out distance and is controlled by the locating dowel pin of overcoat central siphon side, described foundation base, together with Frame Welding, improves the impact resistance while colliding, these two folding axles difference Shen Zhihou, under travelling forward of bumper/spoiler assembly promotes, can inject smoothly in overcoat central siphon and reach design attitude as mentioned above, when this bumper/spoiler arrives assigned address, have again the lockable mechanism designing to guarantee that it carries out locking, otherwise when the unlocking mechanism designing is unblanked, bumper/spoiler assembly can pull out backward and can fold downwards, these two folding axle Shens can go out and advance by the overcoat central siphon lira from car body as mentioned above after straight as mentioned above, bumper/spoiler assembly is pulled out while putting in place and centered by hinge axis as mentioned above, can be rotated foldingly, pulls out battery module to electronlmobil provide spatial channel from rear portion.
A kind of fast folding Anti-collision of this case electric automobile bumper, be further characterized in that as guaranteeing that bumper/spoiler as above improves collision prevention function, on the hole frontal plane of overcoat central siphon as mentioned above, buffer air bag has been installed, this buffer air bag outside is columnar shape, core has arc space, and the endoporus of this buffer air bag can be by every folding axle as above telling; In addition there is cylindrical plane at described every folding axle back segment rear portion, and when described bumper/spoiler body assembly is advancing to the position, the back plane that the cylindrical plane on described folding axle back segment presses to buffer air bag plays buffer action.
A kind of fast folding Anti-collision of this case electric automobile bumper, be further characterized in that as preventing rear-end collision, warning automobile is below noted maintaining safe distance, warning mark is installed after bumper/spoiler assembly as above, the selection of this triangle warning sign should possess the indicator lamp of high brightness, vehicle approach is when being less than braking distance in the back, and it is glittering that this indicator lamp rises to cartoon type vibration, in order to warn the rear car speed of a motor vehicle, slows down to prevent that car accident from occurring.
A kind of fast folding Anti-collision of this case electric automobile bumper, be further characterized in that as improving collision prevention function attractive in appearance with raising car conour, optimize this case bumper/spoiler body assembly, can by covering after automobile and bumper/spoiler component Design, be integral bumper body according to concrete vehicle, when guaranteeing to coordinate with car conour, increase again crashproof intensity.
A kind of fast folding Anti-collision electric automobile bumper parts described in this case comprise: the parts such as bumper/spoiler body assembly, folding axle, hinge axis, foundation base, overcoat central siphon, buffer air bag, bumper/spoiler lock, unlocking mechanism, warning sign board.
Accompanying drawing explanation
Schematic diagram when Fig. 1 is this case electronlmobil quick-replacing battery module.
Fig. 2 is that the bumper/spoiler body assembly straight line of electronlmobil is pulled out and folded state schematic diagram.
Fig. 3 represents the block diagram of described bumper/spoiler decomposing state.
Fig. 4 represents described bumper/spoiler body assembly schematic diagram.
Fig. 5 represents the structural representation of described bumper/spoiler lockable mechanism.
Fig. 6 represents the structural representation of described bumper/spoiler unlocking mechanism.
Fig. 7 represents the structural representation of described bumper/spoiler buffer air bag.
View when Fig. 8 represents described bumper/spoiler locking.
The specific embodiment
The following describes the specific embodiment, Fig. 1 is the battery module quick change schematic diagram of a kind of fast folding Anti-collision of this case electric automobile bumper, in figure, 100 is electrocars, in figure, 200 is a kind of fast folding Anti-collision electric automobile bumpers described in this case, and in figure, 300 is the equipment of quick-replacing battery module.In figure, can know that the bumper/spoiler assembly of seeing described in this case is to pull out rear folding 90 degree that rotate, and provides passage to pulling out of battery module.
Fig. 2 is 3 control position schematic diagrams of a kind of fast folding Anti-collision of this case electric automobile bumper, wherein Figure 20 1 is the initial position of bumper/spoiler assembly described in this case, wherein Figure 20 2 is pull-out locations of bumper/spoiler assembly in bumper/spoiler assembly described in this case, wherein Figure 20 3 be described in this case in bumper/spoiler assembly bumper/spoiler assembly pull out the positions of rear folding downward 90 degree.
Fig. 3 is the exploded view of a kind of fast folding Anti-collision electric automobile bumper described in this case, in figure 1 with 1a be vehicle frame rearward end; 2 with 2a be as above and foundation base Frame Welding, porose 2-1 and 2-1a in the middle of it; In figure 3 with 3a be overcoat central siphon, its leading portion limited location bearing pin 3-1 and 3a-1, rear end diameter cylindrical strengthens section has a macropore 3-2 and 3a-2 in order to compress into buffer air bag 4 and 4a, also has inclined-plane 3-3 and 3a-3, also have lockpin hole 3-4 and 3a-4, also have annular groove 3-5 and 3a-5; In figure 4 with 4a be buffer air bag, there are the outstanding 4-1 of ring-type and 4a-1 in end, in the middle of it, has through hole 4-2 and 4a-1, separately has view specification structure; In figure 5 with 5a be the leading portion of collapsible axle as mentioned above, there are groove 5-1 and 5a-1 vertically in the outside of its every collapsible axle, rectangle 5-2 and 5a-2 is as can be seen processed in the end of rear end; In figure 6 with 6a be the hinge pin of collapsible axle as mentioned above; In figure 7 with 7a be the back segment of collapsible axle as mentioned above, its front end is processed into fork-shaped 7-1 as can be seen, with 7a-1, rear end slightly before cylindrical strengthen and form planar annular 7-2 and 7a-2; In figure 8 with 8a be the lock of lockable mechanism described in this case, separately have view to describe again structure in detail; In figure 9 with 9a be the pull bar of lockable mechanism described in this case; In figure, 10 is unlocking apparatus of lockable mechanism described in this case, separately has view to describe structure in detail again; In figure, 11 is bumper/spoiler assemblies as above, separately has view to describe structure in detail again.
Fig. 4 is the schematic diagram of bumper/spoiler body assembly described in this case, in figure, 11-1 is the thick stick body of bumper/spoiler body assembly as mentioned above, in figure, 11-2 is the exterior skin of bumper/spoiler body assembly, 11-3 and 11-3a are thick stick bodies outside the left and right of bumper/spoiler body assembly as mentioned above, 11-4 is the anti-collision alarm sign board on bumper/spoiler as mentioned above, 11-1-1 and 11-1-1a are the thick stick body 11-1 of bumper/spoiler body assembly 11 as mentioned above and the access hole of back segment folding shaft 7 and 7a, 11-1-2 and 11-1-2a are the thick stick body 11-1 of bumper/spoiler body assembly 11 as mentioned above and the mounting hole of lockable mechanism lock 8 and 8a, 11-1-3 is the thick stick body 11-1 of bumper/spoiler body assembly as mentioned above and the mounting hole of unlocking mechanism 10, in figure, the assembling way of bumper/spoiler body assembly is tightly pluged with molten metal by bolt 11-5, a plurality of in the drawings bolt 11-5 are firmly connected with 11-3a and anti-collision alarm sign board 11-4 with thick stick body 11-3 outside outside left and right through the thick stick body 11-1 of bumper/spoiler assembly and covering 11-2, formed integral body, increased rigidity, this structure discipline personnel be readily appreciated that, do not stating more herein.
Fig. 5 is the structure member of bumper/spoiler lockable mechanism lock described in this case, wherein 8 is assembly drawings 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 pull back 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, its tapped bore by the rod end yoke locked described in 8-5-1 in the Kong Yutu of the screw plug with holes locked described in 8-4-1 in figure connects, and when pull bar pulls, lock pin can move axially; This structure discipline personnel be readily appreciated that, do not stating more herein.
Fig. 6 is the unlocking mechanism figure of a kind of folding Anti-collision electric automobile bumper described in this case, wherein 10 is described unlocking mechanism assembly drawings, wherein 10-1 is described unlocking mechanism S. A., wherein 10-2 and 10a-2 are described unlocking mechanism rod end yoke bearing pins, wherein 10-3 and 10a-3 are the rod end yokes of described unlocking mechanism, wherein 10-4 is the swivel arm of described unlocking mechanism, wherein 10-5 is the fastener of described unlocking mechanism, wherein 10-1-1 is the afterbody rectangle side body of described unlocking mechanism S. A., this afterbody rectangle side body coordinates with the rectangle square hole of 10-4-1, the driven rotation of pivot arm when S. A. rotates, thereby pull rod end yoke motion, structure discipline technical personnel is easily understood herein, much more no longer to state.
Fig. 7 is the constructional drawing of buffer air bag described in this case, Fig. 7-1st wherein, and the block diagram of described buffer air bag, Fig. 7-2nd, the planing surface figure of described buffer air bag, in figure, 4-1 is the annular convex ring of described buffer air bag end, in figure, 4-1 is the through hole of described buffer air bag.
Fig. 8 is the lockup state figure of a kind of fast folding Anti-collision electric automobile bumper after separated with automobile described in this case.
Below in conjunction with the working process of carefully stating a kind of fast folding Anti-collision electric automobile bumper described in this case with top view, as mentioned above in Fig. 31 with 1a be vehicle frame rearward end, in figure 2 with 2a be as above and foundation base Frame Welding, in figure, 2-1 and 2a-1 are the endoporus of foundation base, overcoat central siphon 3 and 3a are injected in described foundation base endoporus 2-1 and 2a-1 to firm welding again, by 4, compress in the back plane hole 3-2 and 3a-2 of overcoat central siphon 3 and 3a with 4a buffer air bag, this part part and vehicle frame are rigidly connected, and movement does not have.
Carefully state again the moving part that relatively above-mentioned fixed part is said below, in figure 5 with 5a be the leading portion of collapsible axle as mentioned above, be processed into as the rectangle of Fig. 5-2 with 5a-2 the end of rear end; This part forms chain connection by hinge pin 6 with fork portion 7-1 and the 7a-1 of the back segment front end of 6a and collapsible axle, can rotate and form collapsible axle around hinge pin, and this point sees that illustrating technical personnel easily understands.The rear end of the above collapsible axle is that the rear end of 7-1 and 7a-1 is injected in the hole of the upper 11-1-1 of thick stick body 11-1 and 11a-1-1 in bumper/spoiler body assembly, and firm welding is rigidly connected the bumper/spoiler assembly of itself and Fig. 4.After collapsible axle as above has been connected with bumper/spoiler body assembly, the lock 8 and the 8a that at 11-1-2 and the place, 11-1-2a hole of bumper/spoiler body 11-1, lockable mechanism are installed again, at the place, 11-1-3 hole of bumper/spoiler body 11-1 as above, unlocking mechanism 10 as above is installed again, shackle rod 9 and 9a are installed again, and this part is just readily appreciated that and does not need too much carefully to state in Fig. 3.
The following describes locking and unblank to pull out folding working process, after bumper/spoiler assembly and collapsible axle assemble as mentioned above, just the front end of collapsible axle can be injected in the hole 2-1 and 2a-1 of outer tube as above, grasp the outer thick stick body 11-3 in left and right and 11-3a and promote forward bumper/spoiler body assembly, until lockable mechanism lock 8 as above is run into overcoat central siphon 3 and the 3-3 of 3a and the inclined-plane at 3a-3 place as mentioned above with lock pin head 8-1 and the 8a-1 of 8a, because ramp effect makes the lock pin 8-1 of described lock and 8a-1 to lock body 8-2 and the 8a-2 indentation of described lock, it is when sliding into the lockpin hole 3-4 of overcoat central siphon as mentioned above 3 and 3a and 3a-4 along inclined-plane, described lock 8 and the lock pin 8-1 of 8a and the head of 8a-1 just inject the locking of having realized described bumper/spoiler body assembly in the hole 3-4 of described overcoat central siphon 3 and 3a and 3a-4.
The following describes the process of unblanking, rotate the S. A. 10-1 of unlocking mechanism 10 as above, the swivel arm 10-4 of described unlocking mechanism is stretchy rod end yoke 10-3 and 10a-3 motion just, thereby pull described unlocking mechanism pull bar 9 and 9a motion, described unlocking mechanism pull bar 9 pulls again institute's lockable mechanism lock 8 as mentioned above to move with lock pin 8-1 and the 8a-1 of 8a with 9a, make the head of described lock pin 8-1 and 8a-1 depart from hole 3-4 and the 3a-4 of described overcoat central siphon 3 and 3a, thereby realize, unblank; After unblanking, continue to pull out, until the leading section of groove 5-1 vertically of the outside of each collapsible axle and 5a-1 is while running into fixing screw 3-1 on overcoat central siphon 3 and 3a and 3a-1, now the back segment of collapsible axle and hinge pin 6 have all been moved correct position to 6a, fold again bumper/spoiler body assembly downwards, complete the working process of pulling out, provide passage to the handling of the battery module of electronlmobil.
The following describes the working process of buffer air bag 4, in conjunction with Fig. 7 and Fig. 3, can find out, buffer air bag 4 and 4a are arranged on the rear end of overcoat central siphon 3 and 3a, the bulge loop 4-1 of its buffer air bag 4 and 4a and 4a-1 are stuck in the rear end macropore 3-2 and annular groove 3-5 and 3a-5 in 3a-2 of overcoat central siphon 3 and 3a, the folded formula axle 5 of the intermediate throughholes 4-2 of its buffer air bag 4 and 4a-2 and 5a, 7 and 7a pass; When bumper/spoiler body assembly 11 as above is shifted position by locking onto, the plane 7-2 of cylindrical place is strengthened in the rear end of the collapsible axle of described back segment and 7a-2 just compresses described vacuum air bag, as produced, collide this place and just can reach the object of buffering, this point is apparent in conjunction with Fig. 7 and Fig. 3.
The following describes the working process of triangle warning plate, in Fig. 4, can see that the 11-4 in bumper/spoiler body assembly 11 as above is leg-of-mutton warning sign, the indicator lamp of high brightness has been installed on this board, the selection of this triangle warning sign should possess in the back vehicle approach when being less than braking distance, it is glittering that this indicator lamp starts cartoon type vibration, in order to warn the rear car speed of a motor vehicle, slows down to prevent that car accident from occurring.
As above this case of telling has realized a kind of fast folding Anti-collision electric automobile bumper, for electronlmobil quick-replacing battery module has been created condition, for realizing the commercialization dispensing of concentrating charging, battery module, the industrialization of electronlmobil is had to certain positive effect and effect.
The present invention is illustrated by example above, still, should be appreciated that this case comprises the object of these particular example and embodiment here, is to help those of skill in the art to put into practice the present invention; Those skilled in the art are to be appreciated that above-mentioned explanation is only that the signal of the specific embodiment is set forth, and is still determined on a case-by-case basis when implementing concrete electronlmobil design.
Claims (5)
1. the present invention proposes a kind of fast folding Anti-collision electric automobile bumper assembly (calling bumper/spoiler in the following text) and it is characterized in that: on the frontal plane of the bumper/spoiler body assembly of this fast folding Anti-collision electric automobile bumper (calling bumper/spoiler body assembly in the following text), (for convenience of carefully stating, with automobile working direction, be as the criterion below, be front in the same way, after being reversed) be fastenedly connected with two folding axles (hereinafter referred to as collapsible axle), every there is a hinge axis (calling hinge axis in the following text) at collapsible axle middle part, this collapsible axle is divided into two sections of front and back by hinge axis, its rear end, posterior segment is injected in the hole of the mutual coupling of bumper/spoiler body in bumper/spoiler body assembly, and with bumper/spoiler 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 injects in overcoat central siphon (hereinafter referred to as overcoat central siphon), can endwisely slip in its inside, described overcoat central siphon injects in the axis hole of foundation base on car body and firm welding again, for preventing that collapsible axle from all going out get out of hand from outer tube lira, the leading portion lateral surface limited location groove of described collapsible axle, pulls out distance and is controlled by the locating dowel pin of overcoat central siphon side, described foundation base, together with Frame Welding, improves the impact resistance while colliding, these two folding axles are distinguished Shen Zhihou as mentioned above, at bumper/spoiler body assembly, travel forward under promotion, can inject smoothly in overcoat central siphon and reach design attitude, when this bumper/spoiler body assembly arrives assigned address, have again the lockable mechanism designing to guarantee that it carries out locking, otherwise when the unlocking mechanism designing is unblanked, bumper/spoiler body assembly can pull out backward and can fold downwards, these two folding axle Shens can go out and advance by the overcoat central siphon lira from car body as mentioned above after straight as mentioned above, bumper/spoiler body assembly is pulled out while putting in place and centered by hinge axis as mentioned above, can be rotated foldingly, pulls out battery module to electronlmobil provide spatial channel from rear portion.
2. according to claim 1 fast folding Anti-collision electric automobile bumper, be further characterized in that as guaranteeing that bumper/spoiler as above improves collision prevention function, on the hole frontal plane of overcoat central siphon as mentioned above, buffer air bag has been installed, this buffer air bag outside is columnar shape, core has arc space, and the endoporus of this buffer air bag can be by every folding axle as above telling; In addition there is cylindrical plane at described every folding axle back segment rear portion, and when described bumper/spoiler assembly is advancing to the position, the back plane that the cylindrical plane on described folding axle back segment presses to buffer air bag plays buffer action.
3. according to claim 1 fast folding Anti-collision electric automobile bumper, be further characterized in that as preventing rear-end collision, warning automobile is below noted maintaining safe distance, warning mark is installed after bumper/spoiler assembly as above, the selection of this triangle warning sign should possess the indicator lamp of high brightness, vehicle approach is when being less than braking distance in the back, and it is glittering that this indicator lamp rises to cartoon type vibration, in order to warn the rear car speed of a motor vehicle, slows down to prevent that car accident from occurring.
4. according to claim 1 fast folding Anti-collision electric automobile bumper, be further characterized in that as improving collision prevention function attractive in appearance with raising car conour, optimize this case bumper/spoiler body assembly, can by covering after automobile and bumper/spoiler body component Design, be integral bumper body according to concrete vehicle, when guaranteeing to coordinate with car conour, increase again crashproof intensity.
5. according to a kind of fast folding Anti-collision electric automobile bumper parts described in claim 1 this case, comprise: the parts such as bumper/spoiler body assembly, folding axle, hinge axis, foundation base, overcoat central siphon, buffer air bag, bumper/spoiler lock, unlocking mechanism, warning mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210333754.XA CN103661182B (en) | 2012-09-07 | 2012-09-07 | A kind of fast folding Anti-collision electric automobile bumper assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210333754.XA CN103661182B (en) | 2012-09-07 | 2012-09-07 | A kind of fast folding Anti-collision electric automobile bumper assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103661182A true CN103661182A (en) | 2014-03-26 |
| CN103661182B CN103661182B (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210333754.XA Expired - Fee Related CN103661182B (en) | 2012-09-07 | 2012-09-07 | A kind of fast folding Anti-collision electric automobile bumper assembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN103661182B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118046938A (en) * | 2024-04-16 | 2024-05-17 | 太原理工大学 | Cavity-separating type expansion stretch deformation energy-absorbing high-speed train anti-collision buffer |
Citations (6)
| 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 |
-
2012
- 2012-09-07 CN CN201210333754.XA patent/CN103661182B/en not_active Expired - Fee Related
Patent Citations (6)
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118046938A (en) * | 2024-04-16 | 2024-05-17 | 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 | Publication date |
|---|---|
| CN103661182B (en) | 2016-06-29 |
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