CN110371064A - A kind of anti-collision device for automobile - Google Patents
A kind of anti-collision device for automobile Download PDFInfo
- Publication number
- CN110371064A CN110371064A CN201910675095.XA CN201910675095A CN110371064A CN 110371064 A CN110371064 A CN 110371064A CN 201910675095 A CN201910675095 A CN 201910675095A CN 110371064 A CN110371064 A CN 110371064A
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- cavity
- energy storage
- cylinder
- collision
- resetting apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
- B60R19/20—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact containing mainly gas or liquid, e.g. inflatable
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Superstructure Of Vehicle (AREA)
Abstract
The present invention discloses a kind of anti-collision device for automobile, comprising: is set to the front anti-collision beam of vehicle frame front；Preceding cushion cylinder, is fixedly connected with the vehicle frame and its piston rod is fixedly connected with the front anti-collision beam, and the preceding cushion cylinder includes the first cavity and the second cavity；Energy storage oil cylinder, it includes the energy storage cylinder body being fixedly connected with the vehicle frame, is slidably disposed in the intracorporal energy storage piston of the loaded cylinder and energy-stored spring that one end is connect with the energy storage piston, the energy storage oil cylinder includes third cavity and the 4th cavity, and second cavity of the preceding cushion cylinder is connected to by the first check valve with the third cavity of the energy storage oil cylinder；Resetting apparatus is used to make the piston rod of the preceding cushion cylinder to stretch out.So set, the huge impact energy that car crass can be generated using energy conversion is absorbed and stored, to play buffer function to automobile, mitigate the degree of injury of automobile, guarantee is ridden and the life security of personnel of driving.
Description
Technical field
The present invention relates to automobile collision preventing technical fields, more particularly to a kind of anti-collision device for automobile.
Background technique
As social progress and people's lives level are continuously improved, automobile has become the important friendship that people ride instead of walk
Logical tool, the security performance of automobile is also increasingly by the attention of user.In terms of security performance, collision safety performance is vapour
One of the important content of bassinet structure design, in current Automobile Design, generallys use the anticollision for being mounted on automobile front and tail portion
Beam guarantees that body structure frame is not destroyed seriously under collision.In order to absorb impact kinetic energy, meeting behind collision prevention girders as far as possible
A collision energy absorbing box is designed, is deformed by crumple and absorbs impact kinetic energy, to guarantee occupant and main structure of vehicle body
Safety.In the prior art, car body collision acceleration is larger, and impact load is transferred directly to front panel, and intrusion volume is big, only anti-
Hit beam rear end be provided with energy-absorption box can not good absorption due to collision generate energy.Therefore, how a kind of energy is provided
The problem of anti-collision device for automobile for enough absorbing and storing the kinetic energy of car crass generation is those skilled in the art institute urgent need to resolve.
Summary of the invention
The anti-collision device for automobile of the kinetic energy of car crass generation can be absorbed and stored the object of the present invention is to provide one kind.
To achieve the above object, the present invention provides following schemes: a kind of anti-collision device for automobile, comprising: be set to vehicle frame
The front anti-collision beam of front；Preceding cushion cylinder, is fixedly connected with the vehicle frame and its piston rod and the front anti-collision beam are fixed and connected
It connects, the preceding cushion cylinder includes the first cavity and the second cavity, and the piston rod of the preceding cushion cylinder passes through first chamber
Body；Energy storage oil cylinder comprising the energy storage cylinder body that is fixedly connected with the vehicle frame, to be slidably disposed in the loaded cylinder intracorporal
The energy-stored spring that energy storage piston and one end are connect with the energy storage piston, the energy storage oil cylinder include third cavity and the 4th chamber
Body, the energy-stored spring are set to the 4th cavity, and second cavity of the preceding cushion cylinder passes through the first check valve
It is connected to the third cavity of the energy storage oil cylinder, first check valve is for preventing intracorporal hydraulic Jie of the third chamber
Mass flow enters second cavity；Resetting apparatus is used to make the piston rod of the preceding cushion cylinder to stretch out.
It preferably, further include back buffer beam and rear cushion cylinder, the back buffer beam setting is delayed after described at vehicle frame rear portion
Rush that oil cylinder is fixedly connected with the vehicle frame and its piston rod is fixedly connected with the back buffer beam, it is described after cushion cylinder include
5th cavity and the 6th cavity, it is described after the piston rod of cushion cylinder pass through the 5th cavity, the 6th cavity passes through the
Two check valves are connected to the third cavity of the energy storage cylinder body, and the second one-way valve is for preventing in the third cavity
Hydraulic medium flow into the 6th cavity.
Preferably, the resetting apparatus is accumulator, second cavity of the preceding cushion cylinder and the rear buffering
The 6th cavity of oil cylinder is connected with the resetting apparatus.
It preferably, further include the first reversal valve, second cavity and the 6th cavity pass through described first and commutate
Valve is connected to the resetting apparatus, first reversal valve for select second cavity be connected to the resetting apparatus or
6th cavity is connected to the resetting apparatus or the second cavity and the 6th cavity are isolated with resetting apparatus.
Preferably, first reversal valve close to the resetting apparatus side connecting line be equipped with third check valve and
Throttle valve, the third check valve are described multiple for preventing second cavity and the intracorporal hydraulic medium of the 6th chamber from flowing into
Position device.
Preferably, the third cavity of the energy storage oil cylinder is connected to by the second reversal valve with the resetting apparatus, institute
The second reversal valve is stated for selecting the third cavity to be connected to or be isolated with the resetting apparatus.
Preferably, the 4th check valve is additionally provided between the third cavity and the resetting apparatus, the described 4th is unidirectional
Valve is used to prevent the hydraulic medium in the resetting apparatus from flowing into the third cavity.
Preferably, the front anti-collision beam and the prominent car body of the back buffer beam.
It preferably, further include anti-collision air bag, gas generator and control switch, the front anti-collision beam front is provided with installation
Slot, the anti-collision air bag are folded in the mounting groove, and the control switch and the gas generating unit communicate to connect.
The present invention achieves following technical effect compared with the existing technology: when automobile collides, front anti-collision beam and resistance
Object is hindered to contact, front anti-collision beam, which moves back, drives the piston rod of preceding cushion cylinder mobile, and piston rod movement keeps the second chamber intracorporal hydraulic
Medium is flowed to energy storage oil cylinder, into the hydraulic medium compressed energy-storage spring of energy storage oil cylinder, and enters hydraulic Jie of energy storage oil cylinder
Matter can not be flowed out from energy storage oil cylinder, to convert the kinetic energy that car crass generates to the elastic potential energy and hydraulic medium of spring
Hydraulic energy is simultaneously stored in energy storage oil cylinder.So the huge impact energy for generating car crass can be converted using energy
Amount is absorbed and is stored, and to play buffer function to automobile, mitigates the degree of injury of automobile, guarantee is ridden and the life of personnel of driving
Life safety.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of front anticollision beam of automobile in the first embodiment of the invention；
Fig. 2 is the structural schematic diagram of front anticollision beam of automobile in second of embodiment of the invention；
Fig. 3 is the structural schematic diagram of anti-collision device for automobile in the embodiment of the present invention.
In Fig. 1-Fig. 3: front anti-collision beam-1, preceding cushion cylinder-2, energy storage oil cylinder-3, energy storage piston-4, energy-stored spring-5,
One cavity -6, the second cavity 7, third cavity -8, the 4th cavity -9, back buffer beam -10, rear cushion cylinder -11, the 5th cavity -
12, the 6th cavity -13, the first check valve -14, resetting apparatus -15, second one-way valve -16, the first reversal valve -17, third are unidirectional
Valve -18, throttle valve -19, the second reversal valve -20, the 4th check valve -21.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The anti-collision device for automobile of the kinetic energy of car crass generation can be absorbed and stored the object of the present invention is to provide one kind.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
With reference to Fig. 1-Fig. 3, a kind of anti-collision device for automobile, comprising: be set to the front anti-collision beam 1 of vehicle frame front；Preceding buffering oil
Cylinder 2, is fixedly connected with vehicle frame and its piston rod is fixedly connected with front anti-collision beam 1, and preceding cushion cylinder 2 includes 6 He of the first cavity
The piston rod of second cavity 7, preceding cushion cylinder 2 passes through the first cavity 6.Energy storage oil cylinder 3 comprising the storage being fixedly connected with vehicle frame
Can cylinder body, be slidably disposed in the intracorporal energy storage piston 4 of loaded cylinder and energy-stored spring 5 that one end is connect with energy storage piston 4, store up
Energy oil cylinder 3 includes third cavity 8 and the 4th cavity 9, and energy-stored spring 5 is set to the 4th cavity 9, the second chamber of preceding cushion cylinder 2
Body 7 is connected to by the first check valve 14 with the third cavity 8 of energy storage oil cylinder 3, and the first check valve 14 is for preventing in third cavity 8
Hydraulic medium flow into the second cavity 7, energy storage oil cylinder 3 can be fixed on automobile chassis, vehicle head part or tailstock portion
Point.Resetting apparatus 15, the piston rod for being used for cushion cylinder 2 before making stretch out.The work of cushion cylinder 2 before resetting apparatus 15 can make
Plug cylinder keeps stretching state, on the one hand, the piston rod retracted due to shock can be made to stretch out, so that preceding cushion cylinder 2 can
Holding receives impact conditions；On the other hand, it is capable of fixing front anti-collision beam 1, prevents front anti-collision beam 1 as automobile accelerates or slows down
And the piston rod of preceding cushion cylinder 2 is pulled out or compressed.
When automobile collides, front anti-collision beam 1 is contacted with obstruction, and front anti-collision beam 1, which moves back, drives preceding cushion cylinder 2
Piston rod is mobile, and the mobile hydraulic medium made in the second cavity 7 of piston rod is flowed to energy storage oil cylinder 3, into the liquid of energy storage oil cylinder 3
Media collapse energy-stored spring 5 is pressed, and the hydraulic medium for entering energy storage oil cylinder 3 cannot be back to preceding cushion cylinder 2 from energy storage oil cylinder 3
In, to convert the elastic potential energy of spring for the kinetic energy that car crass generates and hydraulic medium hydraulic energy and be stored.
Relative to the anticollision device, collision-prevention device form that front anti-collision beam 1 is directly connect with energy-stored spring 5, after energy-stored spring 5 is compressed,
Energy-stored spring 5 can then discharge elastic potential energy to make 1 impact-hinder object of front anti-collision beam, and the reaction force of generation can Secondary Shocks again
Automobile, to cause secondary damage to automobile, anti-collision device for automobile provided by the invention can after energy-stored spring 5 is compressed,
So that it is kept compressive state, prevents it from again resulting in shocking damage to car body；And front anti-collision beam 1 directly connects with energy-stored spring 5
The anticollision device, collision-prevention device form connect, mechanism bulky complex, weight is big, and the structure of anti-collision device for automobile provided by the invention is simple,
Middle energy storage oil cylinder 3 and resetting apparatus 15 can flexibly be located at the big position in space of automobile, to adequately utilize automobile
Space.
So set, the huge impact energy that car crass generates can be converted to elastic potential energy and hydraulic energy and incited somebody to action
Energy storage mitigates the degree of injury of automobile to play buffer function to automobile, ensures the life of passenger and personnel of driving
Life safety.
As shown in Figure 1, the quantity of preceding cushion cylinder 2 is one in some embodiments, guide rail is provided on vehicle frame, it is preceding anti-
The guide post for being provided with and capable of being slided on beam 1 along the guide rail is hit, the cylinder body of preceding cushion cylinder 2 is fixedly connected with vehicle frame, piston rod
It is articulated and connected with front anti-collision beam 1.As shown in Fig. 2, in other embodiments, the quantity of preceding cushion cylinder 2 is delayed before being two, two
It rushes oil cylinder 2 to be arranged in parallel, and the cylinder body of two preceding cushion cylinders 2 is fixedly connected with vehicle frame, the piston rod of two preceding cushion cylinders 2
It is fixedly connected with front anti-collision beam 1.
As shown in figure 3, in some embodiments, anti-collision device for automobile further includes back buffer beam 10 and rear cushion cylinder 11, after
Collision prevention girders 10 are arranged at vehicle frame rear portion, and rear cushion cylinder 11 is fixedly connected with vehicle frame and its piston rod and back buffer beam 10 are fixed
Connection, rear cushion cylinder 11 include the 5th cavity 12 and the 6th cavity 13, and the piston rod of rear cushion cylinder 11 passes through the 5th cavity
12, the 6th cavity 13 be connected to by second one-way valve 16 with the third cavity 8 of energy storage cylinder body, and second one-way valve 16 is used to preventing the
Hydraulic medium in three cavitys 8 flows into the 6th cavity 13.By the way that back buffer beam 10 is arranged, automobile and one's own side's rear-end collision at rear
When, the back buffer beam 10 of rear automobile impacting one's own side's automobile, the piston rod of cushion cylinder 11 is mobile after back buffer beam 10 drives, living
Hydraulic medium in 6th cavity 13 is pressed onto the third cavity 8 of energy storage oil cylinder 3 simultaneously compressed energy-storage spring 5 by stopper rod, will be hit
The kinetic energy absorption storage for hitting generation, reduces impact of the rear automobile to one's own side's automobile, avoids motroist and driver injured.Energy storage
Oil cylinder 3 is at least one, when energy storage oil cylinder 3 is one, and preceding cushion cylinder 2 and rear cushion cylinder 11 connect with the energy storage oil cylinder 3
It is logical.When energy storage oil cylinder 3 is two, one of both of preceding cushion cylinder 2 and two energy storage oil cylinders 3 are connected to, rear cushion cylinder
11 are connected to another energy storage oil cylinder 3.
As shown in figure 3, some apply in example, resetting apparatus 15 is accumulator, and the second cavity 7 of preceding cushion cylinder 2 delays with rear
The 6th cavity 13 for rushing oil cylinder 11 is connected with resetting apparatus 15.It is preceding cushion cylinder 2 and rear cushion cylinder by accumulator
11 provide pressure, so that the piston rod of the two is able to maintain stretching state.
As shown in figure 3, anti-collision device for automobile further includes the first reversal valve 17, the second cavity 7 and the 6th in some embodiments
Cavity 13 is connected to by the first reversal valve 17 with resetting apparatus 15, and the first reversal valve 17 is for selecting the second cavity 7 and resetting
The connection of device 15 or the 6th cavity 13 be connected to resetting apparatus 15 or the second cavity 7 and the 6th cavity 13 and resetting apparatus
15 are isolated.So set, controlling the first reversal valve 17 when Current buffer oil cylinder 2 and rear cushion cylinder 11 are stretching state
Preceding cushion cylinder 2 and rear cushion cylinder 11 is isolated with the accumulator, before can enter the hydraulic medium in accumulator not
Cushion cylinder 2 or rear cushion cylinder 11；When front anti-collision beam 1 is knocked retraction, control the first reversal valve 17 make accumulator and
Second cavity 7 connection, so that cushion cylinder 2 resets the release of front anti-collision beam 1 before making；When back buffer beam 10 is knocked retraction,
Controlling the first reversal valve 17 is connected to accumulator and the 6th cavity 13, so that it is multiple to release rear cushion cylinder 11 by back buffer beam 10
Position.Optionally, the first reversal valve 17 is 3-position-3-way normally closed type solenoid directional control valve or is 3-position-3-way normally closed type manual reverse of direction
Valve.
As shown in figure 3, connecting line of first reversal valve 17 close to 15 side of resetting apparatus is equipped in some embodiments
Third check valve 18 and throttle valve 19, third check valve 18 are used to prevent the hydraulic medium in the second cavity 7 and the 6th cavity 13
Flow into resetting apparatus 15.By the way that throttle valve 19 is arranged, hydraulic medium in accumulator can be slowed down and enter the second cavity 7 or the 6th
The flow velocity of cavity 13, to make the stretching speed and rear cushion cylinder 11 of the piston rod drive front anti-collision beam 1 of preceding cushion cylinder 2
Piston cylinder drive back buffer beam 10 stretching speed it is more steady.
As shown in figure 3, the third cavity 8 of energy storage oil cylinder 3 passes through the second reversal valve 20 and resetting apparatus in some embodiments
15 connections, the second reversal valve 20 is for selecting third cavity 8 to be connected to or be isolated with resetting apparatus 15.So set, preceding anticollision
After beam 1 is knocked retraction, the second reversal valve 20 of control is connected to energy storage oil cylinder 3 with accumulator, so that the liquid in energy storage oil cylinder 3
Medium is pressed to flow into accumulator, the flow path of hydraulic medium is followed successively by accumulator, preceding cushion cylinder 2 or rear cushion cylinder 11, storage
Energy oil cylinder 3, accumulator, are thusly-formed a circulation, hydraulic medium are recycled, and are on the one hand the supplement of accumulator 15
Hydraulic medium can provide pressure for preceding cushion cylinder 2 and rear cushion cylinder 3, on the other hand will be stored in energy storage oil cylinder 3
Energy release to be ready for lower Secondary Shocks.Optionally, the second reversal valve 20 is bi-bit bi-pass normally closed type electromagnetic switch
Valve or bi-bit bi-pass normally closed type hand-operated direction valve.
As shown in figure 3, the 4th check valve 21 is additionally provided between third cavity 8 and resetting apparatus 15 in some embodiments,
4th check valve 21 is used to prevent the hydraulic medium in resetting apparatus 15 from flowing into third cavity 8.
In some embodiments, front anti-collision beam 1 and the prominent car body of back buffer beam 10.So set, colliding
When, so that front anti-collision beam 1 and back buffer beam 10 are contacted with collision object, greatly reduces car body covering etc. and collided with compared with vulnerable component
The problem of.
In some embodiments, anti-collision device for automobile further includes anti-collision air bag, gas generator and control switch, front anti-collision beam
1 front is provided with mounting groove, and anti-collision air bag is folded in mounting groove, and control switch and gas generating unit communicate to connect.
In driver after seeing barrier or pedestrian, when brake has been insufficient to allow automobile to stop, control switch can be actively pressed,
So that gas generator igniting is generated nitrogen, and anti-collision air bag is propped up, so that automobile front is wrapped up by air bag.So set,
When in face of pedestrian, anti-collision air bag can provide buffer function for pedestrian, reduce the damage of pedestrian；And for other barriers, prevent
Buffering can be provided for automobile by hitting air bag, cooperated with front anti-collision beam 1, can be protected the life security of motroist to greatest extent
And automobile is injury-free.
Specific examples are applied in the present invention, and principle and implementation of the present invention are described, above embodiments
Illustrate to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, according to
According to thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification
It should not be construed as limiting the invention.
Claims (9)
1. a kind of anti-collision device for automobile characterized by comprising
It is set to the front anti-collision beam of vehicle frame front；
Preceding cushion cylinder, is fixedly connected with the vehicle frame and its piston rod is fixedly connected with the front anti-collision beam, slow before described
Rushing oil cylinder includes the first cavity and the second cavity, and the piston rod of the preceding cushion cylinder passes through first cavity；
Energy storage oil cylinder comprising the energy storage cylinder body that is fixedly connected with the vehicle frame is slidably disposed in the loaded cylinder body
Energy storage piston and the energy-stored spring that is connect with the energy storage piston of one end, the energy storage oil cylinder includes third cavity and the 4th chamber
Body, the energy-stored spring are set to the 4th cavity, and second cavity of the preceding cushion cylinder passes through the first check valve
It is connected to the third cavity of the energy storage oil cylinder, first check valve is for preventing intracorporal hydraulic Jie of the third chamber
Mass flow enters second cavity；
Resetting apparatus is used to make the piston rod of the preceding cushion cylinder to stretch out.
2. anti-collision device for automobile according to claim 1, which is characterized in that it further include back buffer beam and rear cushion cylinder,
Back buffer beam setting at vehicle frame rear portion, it is described after cushion cylinder be fixedly connected with the vehicle frame and its piston rod with it is described
Back buffer beam is fixedly connected, and the rear cushion cylinder includes the 5th cavity and the 6th cavity, the piston rod of the rear cushion cylinder
Across the 5th cavity, the 6th cavity is connected to by second one-way valve with the third cavity of the energy storage cylinder body,
The second one-way valve is for preventing the intracorporal hydraulic medium of the third chamber from flowing into the 6th cavity.
3. anti-collision device for automobile according to claim 2, which is characterized in that the resetting apparatus is accumulator, before described
The 6th cavity of second cavity of cushion cylinder and the rear cushion cylinder is connected with the resetting apparatus.
4. anti-collision device for automobile according to claim 3, which is characterized in that it further include the first reversal valve, second chamber
Body and the 6th cavity pass through first reversal valve and are connected to the resetting apparatus, and first reversal valve is for selecting
Second cavity is connected to the resetting apparatus or the 6th cavity is connected to the resetting apparatus or the second cavity
It is isolated with resetting apparatus with the 6th cavity.
5. anti-collision device for automobile according to claim 4, which is characterized in that first reversal valve is filled close to the reset
Set side connecting line be equipped with third check valve and throttle valve, the third check valve for prevent second cavity and
The intracorporal hydraulic medium of 6th chamber flows into the resetting apparatus.
6. anti-collision device for automobile according to claim 3, which is characterized in that the third cavity of the energy storage oil cylinder is logical
It crosses the second reversal valve to be connected to the resetting apparatus, second reversal valve is for selecting the third cavity and the reset to fill
Set connection or isolation.
7. anti-collision device for automobile according to claim 6, which is characterized in that the third cavity and the resetting apparatus it
Between be additionally provided with the 4th check valve, the 4th check valve is used to prevent the hydraulic medium in the resetting apparatus from flowing into described the
Three cavitys.
8. anti-collision device for automobile according to claim 2, which is characterized in that the front anti-collision beam and the back buffer beam are equal
Prominent car body.
9. anti-collision device for automobile according to claim 1, which is characterized in that further include anti-collision air bag, gas generator and
Control switch, the front anti-collision beam front are provided with mounting groove, and the anti-collision air bag is folded in the mounting groove, described
Control switch and the gas generating unit communicate to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910675095.XA CN110371064A (en) | 2019-07-25 | 2019-07-25 | A kind of anti-collision device for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910675095.XA CN110371064A (en) | 2019-07-25 | 2019-07-25 | A kind of anti-collision device for automobile |
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| Publication Number | Publication Date |
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| CN110371064A true CN110371064A (en) | 2019-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910675095.XA Pending CN110371064A (en) | 2019-07-25 | 2019-07-25 | A kind of anti-collision device for automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113263999A (en) * | 2021-05-14 | 2021-08-17 | 芜湖恒信汽车内饰制造有限公司 | Automobile front end anti-collision structure |
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| CN1583472A (en) * | 2004-05-27 | 2005-02-23 | 谢晓鹏 | Hydraulic buffer automatic anti-shock safety technology with protrusive bumper for vehicle and apparatus thereof |
| CN1907761A (en) * | 2003-01-13 | 2007-02-07 | 梁文华 | Force absorbing energy storage anti-colliding safety device |
| CN206734229U (en) * | 2017-04-12 | 2017-12-12 | 常州中隆车辆配件有限公司 | Bumper extension type automobile hydraulic buffers automatic collision safety device |
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2019
- 2019-07-25 CN CN201910675095.XA patent/CN110371064A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2521093Y (en) * | 2001-12-26 | 2002-11-20 | 曾繁茂 | Bumper protecting device for damping and absorbing impact in collision for vehicle |
| CN1907761A (en) * | 2003-01-13 | 2007-02-07 | 梁文华 | Force absorbing energy storage anti-colliding safety device |
| CN1583472A (en) * | 2004-05-27 | 2005-02-23 | 谢晓鹏 | Hydraulic buffer automatic anti-shock safety technology with protrusive bumper for vehicle and apparatus thereof |
| CN206734229U (en) * | 2017-04-12 | 2017-12-12 | 常州中隆车辆配件有限公司 | Bumper extension type automobile hydraulic buffers automatic collision safety device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113263999A (en) * | 2021-05-14 | 2021-08-17 | 芜湖恒信汽车内饰制造有限公司 | Automobile front end anti-collision structure |
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