CN2152714Y - Impact absorbing device for automobile collision - Google Patents
Impact absorbing device for automobile collision Download PDFInfo
- Publication number
- CN2152714Y CN2152714Y CN 93206528 CN93206528U CN2152714Y CN 2152714 Y CN2152714 Y CN 2152714Y CN 93206528 CN93206528 CN 93206528 CN 93206528 U CN93206528 U CN 93206528U CN 2152714 Y CN2152714 Y CN 2152714Y
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- shock absorbing
- safety lever
- absorbing device
- automobile impacting
- impacting shock
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Abstract
The utility model relates to a shock absorbing device for automobile collisions, comprising two identical shock absorbing and shock force transferring devices which are arranged on the front end and the rear end of the bottom disk of an automobile respectively. The identical shock absorbing and shock force transferring devices respectively contain a safety rod, two hydraulic buffers, two sheet-shaped shock avoiding reeds, and a set of levers which are connected with the sheet-shaped shock avoiding reeds by two horizontal linking rods. The set of levers which are positioned on the front end and the rear end of the bottom disk are connected in series by two steel cables, and thus, when any end of the car is collided, the utility model can absorb shocks partially and can keep the balance of a system, and the shocks can be transferred from one end to the other end to eliminate the shocks. In addition, the set of lever can be replaced by a set of pulleys or a hydraulic transfer device to reach the purpose.
Description
The utility model belongs to the automobile impacting device that diminishes, more detailed it, be a kind of mitigation mechanical device of a kind of vehicle when meeting bump, vehicle is provided more advances one deck protection.
During running car, suitable weight acceleration/accel must be arranged, can cause the vary in size damage of degree of car body surely as if car to car impact.Especially during two car headon collisions, its damage rate will become multiple to increase, and severe patient causes the uncertain injures and deaths of personnel, can not be careless.With regard to look-ahead technique, car body all is equipped with safety lever in the two ends, back before, and its structure and also constantly improvement of material, but difficulty provides satisfied protection to vehicle eventually, and the vehicle during particularly two high speeds are travelled often causes occupant's great damage when clashing into mutually.
A kind of mitigation mechanical device when main purpose of the present utility model provides a kind of Vehicular impact is to provide into one deck protection to vehicle.
A kind of Vehicular impact shock absorbing device of the utility model is respectively to install identical brisance to shift shock absorbing device at the forward and backward two ends of vehicle, comprise an outer safety lever, a pair of hydraulic damping device that is positioned at the inboard two ends of safety lever, a bluff bit shape vibration damping spring is connected in a side central part and a lever group within the outer safety lever.
This hydraulic damping device is that each is vertically connected at side within the outer safety lever two ends by its piston rod by the valve on the interior safety lever.This lever group is made of by its center and the transverse axis that intersects vertically two parallel upright levers and; The two ends of its transverse axis then are coupling and are positioned on two bearings of two longeron belows on the chassis.A pair of and vehicle body is axial three horizontal traces, is parallel to each other to pass through interior nearly central part two axis holes of safety lever, and its two ends are connected to the top and the outside, two upright levers upper end of the two vibration damping spring back of a bow on the safety lever.Other has two connection cable wires to be connected to side within the upright lever lower end, front and back respectively, so that the lever group at two ends, chassis is contacted, and the guarantor connects predetermined tension force.
No matter bump is from end or rear end before the vehicle, this device not only can absorb brisance by two hydraulic damping devices and two vibration damping springs in advance, and aftershock can be transferred to the other end through the lever group, and brisance is diminished in virtually.
Moreover, between two hydraulic damping devices, give cross connection with two oil drain tube, promptly one be terminated at the first device first half, and the other end is connected to the lower part of second device, so analogizes, make that hydraulic pressure can exchange mutually between two devices.When the characteristics of this kind cross connection are that crash direction is not entreated among the safety lever outside, produce equilibrium activity, can make whole device be stabilized conditions, unlikely distortion also can prevent reversing of vehicle.
Second method is to install under the constant situation at other, replaces original two bar bar groups with two auxiliary pulley groups in addition, and paired parallel device is in two ends, chassis lower edge respectively.This assembly pulley comprises respectively that two pulleys are staggered and is installed in the pulley box, top under on its center shaft then is butted in the box, respectively open flatly both sides before and after this box again, allow horizontal trace that prolongs the back and the turnover that connects cable wire respectively, after this cable wire then is wound in two pulleys in interlocking, join with the top of this horizontal trace, the other end of cable wire is then to be connected in the assembly pulley of the vehicle other end with method.When the horizontal interlock thick stick of an end moves in because of bump, must affect cable wire and the horizontal interlock thick stick that is directed at the other end is outwards passed, more impel outer moving of while such as outer safety lever, reach the effect of identical transfer brisance with the lever group.
The third method also is to install under the constant situation at other, replace above-mentioned assembly pulley with two secondary hydraulic pressure transfer devices and be installed on the identical position of former assembly pulley, identical within this hydraulic pressure transfer device with the hydraulic damping device at the inboard two ends of safety lever in aforementioned being installed on, the i.e. spring of a valve and both sides, but except that the valve of front end chew that the flat interlock thick stick that supplies water stretches into and with the valve vertical connection, and open two outlets in addition, one entreats the oil supply and discharge pipe to link to each other among tail end, and another then is positioned at joining of side feeding and return line outside the first half.These oil pipes are to connect the hydraulic pressure transfer device that is positioned at the two ends, chassis respectively, and the position of connection is identical with connection.When stressed the moving inward of horizontal interlock thick stick of chassis one end, just valve is pushed to the bottom of hydraulic pressure transfer device, the liquid that will be stored in the end half one extrudes, pour into the end half one of the identical hydraulic pressure transfer device of the other end through oil drain tube, force the horizontal interlock thick stick of its valve promotion to move outward, that is affect outside this end that safety lever and the valve thick stick on it etc. are outer all simultaneously to be moved, be linked to be the purpose that shifts brisance.And the contrary liquid that goes out of this hydraulic pressure transfer device first half, then the oil return pipe through its side is back to the first half of initiating terminal hydraulic pressure transfer device, replenishes its deficiency just.
According to said structure, this automobile impacting shock absorbing device not only reaches shock-absorbing and shifts the effect of brisance; And tool prevents the effect that headstock spins because of bump; Moreover if two vehicles that head on bump are all installed shock absorbing device, its crashproof effect increases multiple, if two car overtaking collisions, then its effect more promotes.
Now lift several specific embodiments and cooperate graphic being described in detail as follows:
Graphic explanation:
Fig. 1 is the three-dimensional combination figure of the utility model first specific embodiment;
Fig. 2 is the top plan view of the utility model first specific embodiment;
Fig. 3 is that the utility model first specific embodiment is transferred to opposite side with brisance when a side is impacted
Top plan view;
Fig. 4 is the top plan view of the utility model second embodiment;
Fig. 5 is the top plan view of the utility model the 3rd embodiment;
See also Fig. 1 and Fig. 2, a kind of automobile impacting shock absorbing device of the utility model is that two identical shock-absorbing and brisance transfer equipments are installed on two ends, back before, chassis (10) respectively, comprising an outer bumper/spoiler (20) be installed on former in outside the bumper/spoiler (14) and be parallel to each other, two hydraulic damping devices (30A) (30B) its shoulder are installed on the inboard, two ends of interior bumper/spoiler (14), two sheet vibration damping springs (40) (42) are parallel to be installed on side within outer bumper/spoiler (20) central part, and a lever group (50) that is positioned at below, chassis (10).
Should outer bumper/spoiler (20) be elongated tabular, its inward at both ends bending, and its inboard central authorities and both sides are respectively equipped with rectangular recess (21) (22) (23) in order to rivet this sheet vibration damping spring (40) (42) and two valve rods (33) (34), the other end of this valve rod (33) (34) then passes through the axis hole of interior safety lever (14) side, separately with the square before vertical connection of its valve (35) (36).This valve (35) (36) all is positioned at this hydraulic damping device (30A) forebody (30B) under normal condition, and is seized on both sides by the arms (seeing also Fig. 2) by two springs (37) (38).Two back pressure oil pipe (31) (32) cross connections in two hydraulic damping devices (30A) (30B) between, its method is one to be terminated at the first half of this shock absorber (30A), the other end then is connected to the lower part of this shock absorber (30B), and is interlaced with each other.When this measure was not protected the centre of bar outside when center of percussion, the valve on its stressed one side certainly will be recessed more deeply, causes twisted phenomena, but borrow the balance that can keep total system that helps of these back pressure oil pipes (31) (32), and can prevent that vehicle from spinning.That is when the valve (35) on stressed heavier one side when being forced to move down, the hydraulic pressure of its shock absorber (30A) lower part must be extruded against going out, inject the first half of another side shock absorber (30B) along the back pressure oil pipe, force that its valve (36) is also equidistant to move down, simultaneously, its lower part hydraulic pressure is extruded, through the first half of another back pressure oil pipe injection shock absorber (30A), to replenish wherein not enough quantity; Oil pipe is provided with control cock (39), for the usefulness of control oil pressure.Vice versa.Hereat can keep outer safety lever (20) and associated component thereof to keep state of equilibrium.
This two plate-types vibration damping spring (40) (42) is overlapping the forming of bow-shaped shrapnel by one group of a plurality of different length, and by flap pericardium bundle be combined among its back of a bow, form a tubular configured joint in hunchbacked center, in order to one of this horizontal interlock thick stick (43) (44) end that is coupling.This vibration damping spring (40) (42) is held in the three square type grooves (21) (22) (23) that then are riveted on outer bumper/spoiler (20) inboard respectively before.
This lever group (50) is made up of two upright levers (51) (52) and a horizontal cross shaft (53), this horizontal cross shaft (53) is orthogonal thereto and traverse its centre with this two upright lever (51) (52), and two ends are placed in two bearings (55) (56) of (10) two longeron (11) (12) bottoms, chassis.So, this lever group (50) can be a fulcrum with this bearing (55) (56), and the main shaft of (10) is done axially rotation along the chassis.The end outside is vertical connection with this two horizontal trace (43) (44) on this two upright lever (51) (52) again, then hangs down and be connected to two attaching partss (60) in its inboard, lower end.And the other end of this two attaching parts (60) is then with the same manner end under the identical upright lever (51 ') (52 ') of the other end two be connected to chassis (10) that hangs down.To finish the identical shock-absorbing in chassis (10) two ends and the polyphone of brisance transfer equipment.Other end structure in chassis (10) is just the same therewith, and corresponding component is to add " ' " in addition additional symbols on the label.
See also shown in Figure 3; When impact from side before the vehicle, its outer safety lever (20) must move inward, promote two valve rods (33) (34) and two type vibration damping springs (40) (42) and move simultaneously, move in nationality valve (35) (36) parallel and vibration damping spring (40) (42) tension force at first produces shock-absorbing and equilibrium activity.If impact is enough strong, make outer safety lever (20) significantly when intrinsic displacement, then promoting this two horizontal trace (43) (44) moves in a large amount of, drive this two upright lever (51) (52) and do axially rotation, its lower end then affects this two attaching parts (60) to force the same vertical lever (51 ') (52 ') of the other end to do equidirectional rotation, two horizontal traces (43 ') (44 ') are outer to be moved and its upper end promotes, impel its outer safety lever (20 ') and two type vibration damping springs (40 ') (42 ') thereof and two valves (35 ') (36 ') all simultaneously to outer displacement, reach and brisance is shifted and diminish in effect virtually.
Based on above-mentioned functions, if the vehicle of two headon collisions is all installed the shock absorbing device of the utility model, then its impact of bearing separately is multiplicable alleviates.If each other overtaking collision takes place, then its alleviate degree certainly will be better.
See also shown in Figure 4, be second kind of embodiment of the utility model, this embodiment is under the constant situation of other each parts, with two auxiliary pulley groups (70A) (70B) and (70A ') (70B ') be installed on the two ends of chassis (10), impact can be transferred to the other end and be diminished from one of vehicle end equally in order to replace original lever group (50) (50 ').This identical assembly pulley inside has respectively that two pulleys (701) (702) are staggered to be installed in the pulley box, and its center shaft is fixedly arranged on all in vertical direction and goes up lower edge in the box.This box front and rear edge is respectively established outlet (703) (704), and one stretches into for the horizontal trace (43) (44) that prolongs the back, and another then supplies attaching parts (60) to enter.The two ends of this attaching parts are wound in the horizontal trace (43) (44 ') that two pulleys (701) (702) in the assembly pulley (70A) (70B ') at two ends, chassis (10) and (701 ') (702 ') are fixed in each end more separately again, and another side is connection in kind also.The horizontal trace of then arbitrary end is stressed when intrinsic displacement, must affect the torsion of attaching parts (60) by two head sheaves, the horizontal trace that impels the other end is to outer displacement, safety lever and valve rod and sheet type vibration damping spring etc. are made the outer work that moves simultaneously outside the drive other end, produce the brisance transferance identical with lever group (50) (50 ').
See also shown in Figure 5, be the third embodiment of the present utility model, this embodiment also is under other each partly constant situations, again with two secondary hydraulic pressure transfer devices (80A) (80B) and (80A ') (80B ') replace above-mentioned assembly pulley (70A) (70B) and (70A ') (70B ') and be installed on the same position of chassis (10) lower edge.Its internal structure and aforementioned means in the hydraulic damping device (30A) at the inboard two ends of interior safety lever (30B) and (30A ') (30B ') identical, promptly a valve (801) (802) and (801 ') (802 ') stand on its central interior position it are divided into forward and backward halves, are seized on both sides by the arms by forward and backward two springs (803) (804) and (803 ') (804 ').Except that its front end has a valve port (805) (806) and (805 ') (806 ') for the horizontal trace (43) (44) that prolongs the back and (43 ') (44 ') turnover, central authorities open outlet (807) (808) and (807 ') (808 ') in its back-end in addition, reach (809 ') (810 ') with outside its front end, opening outlet (809) (810), for difference affixed two oil drain tube (90) and two oil return pipes (91).These oil drain tube (90) are to connect chassis (10) the relative hydraulic pressure transfer devices in two ends (80A) (80B) and the bottom of (80A ') (80B '), oil return pipe (91) then is fixed in this relative hydraulic pressure transfer device (80A) and (80B) reaches outside (80A ') (80B ') front portion, and install a control cock (92) additional in the central part of pipe, for the usefulness of modulated pressure.Thereby, when the horizontal trace of arbitrary end because of stressed when its valve is inwardly passed, must make and be stored in the latter half of liquid of hydraulic pressure transfer device and contrary gone out by crowded, flow into the latter half of of other end transfer device through these oil drain tube, and force wherein valve and horizontal trace thereof outwards to be passed, further promote safety lever and valve rod upward thereof outside this end, sheet type vibration damping spring etc. are done the action of outer passing, reach the effect with the identical brisance transferance of aforementioned two embodiment.The liquid of the other end transfer device first half then contrary is gone out by crowded, injects the first half of this end transfer device along this oil return pipe, replenishes wherein not enough part just.
Claims (30)
1, a kind of automobile impacting shock absorbing device is characterized in that: two identical shock-absorbing and brisance transfer equipments are arranged, be loaded on vehicle chassis two ends, back before respectively;
This equipment respectively have one with safety lever outside interior safety lever is parallel, be loaded on two hydraulic damping devices at the two ends of safety lever inboard in this, its two valve rod then passes this interior vertical riveting of safety lever and is located at side two ends within this outer safety lever, the inboard central authorities of this outer safety lever are located in two its front end rivetings of type vibration damping spring, and one the lever group be positioned under the chassis side, and nationality two horizontal traces are connected two type vibration damping springs of itself and this;
Two attaching partss are connected the lever group at two ends, chassis, reach the effect that brisance is transferred to the other end from one of vehicle end.
2, the automobile impacting shock absorbing device according to claim 1, it is characterized by this outer safety lever is rectangular en plaque, the inward at both ends bending, and side is evenly distributed three rectangular recess and uses as this two valve rod of riveted joint and this two type vibration damping springs within it.
3, the automobile impacting shock absorbing device according to claim 1, it is characterized by be evenly distributed on safety lever in this four circular axis holes for these horizontal traces and this valve rod by using.
4, the automobile impacting shock absorbing device according to claim 1, it is characterized by the two ends that this two hydraulic damping device is fixedly arranged on safety lever inboard in this, respectively have a valve and valve rod vertical connection, and seized on both sides by the arms and stand within this shock absorber by a pair of spring front and back.
5, the automobile impacting shock absorbing device according to claim 4 is characterized by the forebody that this valve keeps resting on this hydraulic damping device usually.
6, the automobile impacting shock absorbing device according to claim 4, it is characterized by this two hydraulic damping device and be to intersect and join, cause the mutual of hydraulic pressure to reflux by two oil drain tube, thus though rum point entreat among whether being positioned at this outer safety lever, all can produce all pressure effects, the balance of maintenance system.
7, the automobile impacting shock absorbing device according to claim 1, it is characterized by this sheet type vibration damping spring by the arc sheet plate of a plurality of different lengths overlapping composition, and the back of a bow central authorities of its wrapping place form a tubular configured joint for this horizontal trace before hold and join.
8, the automobile impacting shock absorbing device according to claim 1 is characterized by this lever group and comprises two parallel upright lever and horizontal cross shafts, and this horizontal cross shaft and these upright levers are orthogonal and traverse its center.
9, described according to Claim 8 automobile impacting shock absorbing device, the two ends that it is characterized by this horizontal cross shaft are to be located in two bearings that are arranged in two longeron belows, chassis.
10, described according to Claim 8 automobile impacting shock absorbing device, hang down mutually with this two horizontal trace and connect in the outside, top that it is characterized by two upright levers, and side then connects with this two attaching parts is vertical mutually within its lower end.
11, the automobile impacting shock absorbing device according to claim 1, it is characterized by this attaching parts is cable wire.
12, a kind of automobile impacting shock absorbing device is characterized in that: two identical shock-absorbing and brisance transfer equipments are arranged, be loaded on vehicle chassis two ends, back before respectively;
This equipment respectively have one with safety lever outside interior safety lever is parallel, be loaded on two hydraulic damping devices at the two ends of safety lever inboard in this respectively, its two valve rod then passes the two ends that this outer safety lever inboard is located in this interior vertical riveting of safety lever, two type vibration damping springs, the centre is located among this outer safety lever inboard in its front end riveting and two assembly pulleys are positioned at side under the both sides, chassis, and two type vibration damping springs of nationality two horizontal traces and this are connected;
Other has two attaching partss by assembly pulley chassis both ends horizontal trace to be joined, to reach the effect that brisance is transferred to the other end from one of vehicle end.
13, the automobile impacting shock absorbing device according to claim 12, it is characterized by this outer safety lever is rectangular en plaque, the inward at both ends bending, and side is evenly distributed three rectangular recess and uses as this valve rod of riveted joint and this two type vibration damping springs within it.
14, the automobile impacting shock absorbing device according to claim 12, it is characterized by be evenly distributed on safety lever in this four circular axis holes for these horizontal traces and this valve rod by using.
15, the automobile impacting shock absorbing device according to claim 12, it is characterized by the two ends that this hydraulic damping device is fixedly arranged on safety lever inboard in this, respectively have a valve and this valve rod vertical connection, and seized on both sides by the arms before and after a pair of spring and stand on this shock absorber inside.
16, the automobile impacting shock absorbing device according to claim 15 is characterized by the forebody that this valve keeps resting on this hydraulic damping device usually.
17, the automobile impacting shock absorbing device according to claim 15, it is characterized by this two hydraulic damping device and be nationality two oil drain tube intersects to join and causes the mutual of hydraulic pressure to reflux, no matter, all can produce all pressure effects, the balance of maintenance system so rum point is entreated among whether being positioned at this outer safety lever.
18, the automobile impacting shock absorbing device according to claim 12, it is characterized by this sheet type vibration damping spring by the arc sheet plate of a plurality of different lengths overlapping composition, and its hunchbacked central wrapping place form a tubular configured joint for this horizontal trace before hold and join.
19, the automobile impacting shock absorbing device according to claim 12, two pulleys that it is characterized by in this assembly pulley are interlaced configurations, attaching parts is interlocked before being fixed in horizontal trace be wound in this pulley, when the horizontal trace of vehicle one end because of stressed during to intrinsic displacement, affect the assembly pulley at this attaching parts and nationality two ends that enough torsion is provided, the horizontal trace that forces the other side is to outer displacement, promote outer safety lever of this side and associated component and move simultaneously, reach the effect of brisance transfer.
20, the automobile impacting shock absorbing device according to claim 12, it is characterized by this attaching parts is cable wire.
21, a kind of automobile impacting shock absorbing device is characterized in that: two identical shock-absorbing and brisance transfer equipments are arranged, be loaded on vehicle chassis two ends, back before respectively.
This equipment respectively have one with safety lever outside interior safety lever is parallel, two hydraulic damping devices are loaded on the two ends of safety lever inboard in this respectively, its two valve rod then passes the two ends that this outer safety lever inboard is located in this interior vertical riveting of safety lever, two type vibration damping springs, its front end riveting are located among this outer safety lever inboard centre and two hydraulic pressure transfer devices and are positioned under the vehicle chassis both sides and hold;
Two oil drain tube and two return pipes make it have the function of the brisance transfer that will produce in order to connect the relevant hydraulic pressure transfer device of vehicle front and back end.
22, the automobile impacting shock absorbing device according to claim 21, it is characterized by this outer safety lever is rectangular en plaque, the inward at both ends bending, and side is evenly distributed three rectangular recess and uses as this two valve rod of riveted joint and this two type vibration damping springs within it.
23, the automobile impacting shock absorbing device according to claim 21 is characterized by and be evenly distributed four circular axis holes in this on safety lever and pass through for these horizontal traces and this valve rod.
24, the automobile impacting shock absorbing device according to claim 21, it is characterized by the two ends that this hydraulic damping device is fixedly arranged on safety lever inboard in this, respectively have a valve and this valve rod vertical connection, and seized on both sides by the arms and stand within this shock absorber by a pair of spring front and back.
25, the automobile impacting shock absorbing device according to claim 24 is characterized by the forebody that this valve keeps resting on this hydraulic damping device usually.
26, the automobile impacting shock absorbing device according to claim 24, it is characterized by this two hydraulic damping device and be nationality two oil drain tube intersects to join and causes the mutual of hydraulic pressure to reflux, no matter, all can produce all pressure effects, the balance of maintenance system so rum point is entreated among whether being positioned at this outer safety lever.
27, the automobile impacting shock absorbing device according to claim 21, it is characterized by this sheet type vibration damping spring by the arc sheet plate of a plurality of different lengths overlapping composition, and its hunchbacked central wrapping place form a tubular configured joint for this end usefulness of joining before horizontal trace.
28, according to the described automobile impacting shock absorbing device of claim 21, the hydraulic damping device at the inboard two ends of safety lever is identical in it is characterized by this hydraulic pressure transfer device inner structure and this being placed in, except that there is a valve port at its two ends for this horizontal trace turnover, respectively opens a circular hole in bottom center and upper outside in addition and supply these oil drain tube and the affixed usefulness of back pressure pipe respectively.
29, the automobile impacting shock absorbing device according to claim 28 it is characterized by these oil drain tube and be connected to the bottom center that two ends, chassis hydraulic pressure shifts transfer device, and this back pressure Guan Ze is connected to its upper outside.
30, the automobile impacting shock absorbing device according to claim 28, the appropriate location that it is characterized by on this back pressure pipe is adorned a control cock in addition, as the usefulness of modulated pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93206528 CN2152714Y (en) | 1993-03-22 | 1993-03-22 | Impact absorbing device for automobile collision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93206528 CN2152714Y (en) | 1993-03-22 | 1993-03-22 | Impact absorbing device for automobile collision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2152714Y true CN2152714Y (en) | 1994-01-12 |
Family
ID=33789513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93206528 Expired - Fee Related CN2152714Y (en) | 1993-03-22 | 1993-03-22 | Impact absorbing device for automobile collision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2152714Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101844550A (en) * | 2010-05-10 | 2010-09-29 | 清华大学 | Automobile bumper with two energy-absorbing modes |
| CN104228730A (en) * | 2014-10-06 | 2014-12-24 | 于林 | Vehicle collision protecting device |
| WO2015149290A1 (en) * | 2014-04-01 | 2015-10-08 | 深圳市智轮电动车驱动技术有限公司 | Vehicle body anti-collision structure |
-
1993
- 1993-03-22 CN CN 93206528 patent/CN2152714Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101844550A (en) * | 2010-05-10 | 2010-09-29 | 清华大学 | Automobile bumper with two energy-absorbing modes |
| WO2015149290A1 (en) * | 2014-04-01 | 2015-10-08 | 深圳市智轮电动车驱动技术有限公司 | Vehicle body anti-collision structure |
| US9849912B2 (en) | 2014-04-01 | 2017-12-26 | Shenzhen Zhilun Driving Technology for Electric Vehicle Co., Ltd. | Vehicle body anti-collision structure |
| CN104228730A (en) * | 2014-10-06 | 2014-12-24 | 于林 | Vehicle collision protecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |