CN206734229U - Bumper extension type automobile hydraulic buffers automatic collision safety device - Google Patents
Bumper extension type automobile hydraulic buffers automatic collision safety device Download PDFInfo
- Publication number
- CN206734229U CN206734229U CN201720378761.XU CN201720378761U CN206734229U CN 206734229 U CN206734229 U CN 206734229U CN 201720378761 U CN201720378761 U CN 201720378761U CN 206734229 U CN206734229 U CN 206734229U
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- air bag
- bumper
- chip microcomputer
- automobile
- collision
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Abstract
The utility model belongs to bumper technical field,Automatic collision safety device is buffered more particularly to bumper extension type automobile hydraulic,Including bumper,Flexible buffer gear,Energy-absorbing component,Controlling organization,Flexible buffer gear rear end is connected with automobile buffer beam,Flexible buffer gear front end is connected with bumper rear end face,Controlling organization includes single-chip microcomputer,Range finder,Range finder connects single-chip microcomputer,The flexible buffer gear of single-chip microcomputer connection,Energy-absorbing component includes the first air bag,The second air bag being arranged on automobile buffer beam,First air bag is arranged in the support beam at bumper rear portion,First air bag excites simultaneously with flexible buffer gear,Bumper is provided with the impact microphone for exciting the second air bag to eject,Impact microphone connects single-chip microcomputer,Bumper actively stretches out,Hard collision is changed into stage collision,Greatly absorb Impact energy,Protect car body and passenger.
Description
Technical field
The utility model belongs to bumper technical field, and in particular to bumper extension type automobile hydraulic buffering is automatic
Anticollision safety device.
Background technology
Bumper belongs to automotive safety servicing unit, is installed on before and after vehicle body.When colliding, bumper can be with protection vehicle
Body, vehicle body is avoided directly to be collided.Bumper is mainly rigidly attached on chassis, and its own can absorb when colliding
Certain energy, slow down vehicle body damage and casualties.Although the energy-absorbing function of current bumper is more and more stronger, bumper is only
Passive type energy-absorbing buffering can be carried out.Vehicle body and occupant's safety can be ensured when slight impact occurs, but when comparing
During big collision, the drawbacks of being consumed energy using bumper flexural deformation, will display, and its impact resistance is weak, buffering effect
Difference, still suffer from large energy and be delivered to vehicle body, make and jeopardize passenger inside the vehicle.
Utility model content
Technical problem to be solved in the utility model is to be directed to drawbacks described above, there is provided bumper extension type automobile hydraulic delays
Automatic collision safety device is rushed, bumper actively stretches out, hard collision is changed into stage collision, greatly absorbs impact energy
Amount, protect car body and passenger.
The technical scheme that the utility model solves the use of its technical problem is as follows：
Bumper extension type automobile hydraulic buffers automatic collision safety device, including bumper, flexible buffer gear, energy-absorbing
Component, controlling organization, flexible buffer gear rear end are connected with automobile buffer beam, and stretch buffer gear front end and bumper rear end face
Connection, controlling organization include single-chip microcomputer, range finder, range finder connection single-chip microcomputer, the flexible buffer gear of single-chip microcomputer connection control, institute
The energy-absorbing component stated includes the first air bag being arranged on bumper, the second air bag being arranged on automobile buffer beam, the first gas
Capsule is arranged in the support beam at bumper rear portion, and face corresponding position is provided with air bag ejection door before bumper, and the first air bag delays with flexible
Punch mechanism excites simultaneously, and bumper is provided with the impact microphone for exciting the second air bag to eject, and impact microphone connects single-chip microcomputer,
Second air bag is arranged in the middle part of automobile buffer beam, and described flexible buffer gear be buffering hydraulic cylinder, buffering hydraulic cylinder cylinder body and
Automobile buffer beam is connected, and buffering hydraulic cylinder output end is connected with support beam.
Single-chip microcomputer carries out budget, the ejection of the first air bag of control, buffering hydraulic cylinder to collision according to the measurement data of range finder
Stretch out, the first air bag first with barrier is soft contacts, buffer a part and hit, then bounced back by buffering hydraulic cylinder and absorb energy, shock
The second air bag is popped again afterwards, and soft surge guard again is provided in buffering hydraulic cylinder retraction, avoids support beam straight with collision prevention girders
Shock is connect, stage buffering, becomes hardness and hits into soft shock, the absorption buffering of Impact energy is far longer than passive hardness and hit,
Protect car body and passenger.
Further, the first described air bag is arranged on support beam center, is arc after the ejection of the first air bag, support beam
Center is provided with the first air bag box of the first air bag of placement, is provided with gas generator in the first air bag box, gas launcher is by list
Piece machine controls.
Further, the second air bag box is provided with the middle part of described automobile buffer beam, the second air bag box is embedded before collision prevention girders
End, the second air bag box is interior to be provided with air bag gas generator.
Further, described buffering hydraulic cylinder number is two, and two buffering hydraulic cylinders are on automobile buffer beam center
It is symmetrical arranged, buffering hydraulic cylinder output end is not hinged corresponding position with support beam work, and pressure-oil tank, high pressure are provided with automobile buffer beam
Fuel tank is connected by oil circuit with buffering hydraulic cylinder, and oil circuit is provided with electromagnetism fuel tap, and electromagnetism fuel tap is controlled by controlling organization and opened and closed.
Further, described controlling organization also includes collision-prevention controller, fuel tap relay, collision-prevention controller connection monolithic
Machine, collision-prevention controller connection control fuel tap relay.
The beneficial effects of the utility model are：Using such scheme, the automatic automobile that monitors whether there is the danger of collision simultaneously
Bumper is actively stretched out when collision can not avoid, change hard collision greatly absorbs buffering collision of closed energy into stage soft contact,
Damage and the damage to caused by occupant to caused by automobile during collision can effectively be prevented.
Brief description of the drawings
By detailed description below in conjunction with the accompanying drawings, the foregoing and other objects, features and advantages of the utility model will
Become apparent.
Fig. 1 is the view after the utility model stretches out.
Wherein：1 is bumper, and 2 be buffering hydraulic cylinder, and 3 be automobile buffer beam, and 4 be support beam, and 5 be the first air bag, and 6 are
Second air bag, 7 be pressure-oil tank, and 8 be electromagnetism fuel tap, and 9 be single-chip microcomputer, and 10 be range finder, and 11 be collision-prevention controller, and 12 be fuel tap
Relay, 13 be impact microphone.
Embodiment
The utility model is described further below in conjunction with the accompanying drawings.
Embodiment 1：Shown in reference picture 1, bumper extension type automobile hydraulic buffering automatic collision safety device, including insurance
Thick stick 1, flexible buffer gear, energy-absorbing component, controlling organization, flexible buffer gear are made up of two buffering hydraulic cylinders 2, two bufferings
The cylinder body of hydraulic cylinder 2 is connected with automobile buffer beam 3, and two buffering hydraulic cylinders 2 are set on the Central Symmetry of automobile buffer beam 3
Put, the rear wall of bumper 1 is provided with support beam 4, and front end and the corresponding position of automobile buffer beam 3 of buffering hydraulic cylinder 2 are hinged, energy-absorbing component bag
The first air bag 5 being arranged on bumper 1, the second air bag 6 being arranged on automobile buffer beam 3 are included, the first air bag 5 is arranged on branch
The center of beam 4 is supportted, face center is provided with air bag ejection door before bumper 1, and the center of support beam 4 is provided with the first air bag box of placement,
First air bag box shields to the first air bag, avoids foreign object damage air bag, the first airbag aeration is provided with the first air bag box
Gas generator, the second air bag 6 is arranged on the middle part of automobile buffer beam 3, and the middle part of automobile buffer beam 3 is provided with the second air bag box, the
Two air bag boxes are embedded the gas generator that the second air bag is provided with collision prevention girders front end, the second air bag box, and bumper 1, which is provided with, to swash
Send out the impact microphone 13 of the second air bag 6 ejection, impact microphone 13 connects single-chip microcomputer 6, the gas generator of the second air bag by
The connection of collision-prevention controller 11 controls, and is provided with pressure-oil tank 7 at automobile buffer beam 3, pressure-oil tank 7 passes through oil circuit and buffering hydraulic cylinder
2 connections, oil circuit mountain are provided with electromagnetism fuel tap 8, and controlling organization includes single-chip microcomputer 9, range finder 10, collision-prevention controller 11, fuel tap relay
Device 12, range finder 10 are arranged on car body, and range finder 10 connects single-chip microcomputer 9, and single-chip microcomputer 9 connects collision-prevention controller 11, anticollision control
Device 11 processed connects fuel tap relay 12, and fuel tap relay 12 connects electromagnetism fuel tap 8, and the gas generator of the first air bag 5 is by anticollision
Controller 11 connects controller, and single-chip microcomputer 9 is also associated with audible-visual annunciator, slowing-down brake unit, and audible-visual annunciator, which is arranged on, to be driven
Sail at room, slowing-down brake unit is made up of retardation controller, deceleration relay, brake oil pump, and the connection of single-chip microcomputer 9, which is slowed down, to be controlled
Device, retardation controller connection deceleration relay, deceleration relay connection deceleration oil pump, brake oil pump connect with automobile brake system
Connect, range finder 10 measures the distance of vehicle front barrier at any time, and the distance measured is fed back into single-chip microcomputer 9, single-chip microcomputer 9 in time
Calculated and judged, if the relative velocity and relative distance between automobile and barrier reach alarm setting value, single-chip microcomputer 9 is
To audible-visual annunciator output alarm signal, the sound and light signal of alarm is sent to driver, if relative velocity and relative distance reach
When colliding setting value, single-chip microcomputer 9 sends signal, the fuel tap relay of collision-prevention controller 11 to collision-prevention controller 11, retardation controller
12 send control signal, and fuel tap relay 12 controls electromagnetism fuel tap 8 to open, and buffering hydraulic cylinder 2 stretches out, while collision-prevention controller 11
Control signal is sent to the gas generator of the first air bag 5, the first air bag 5 is ejected, and covering bumper is formed in the front end of bumper 1
1 arc air bag, while metal controller obtains the reduce-speed sign of single-chip microcomputer 9, deceleration relay control brake oil pump makes brake
System operation, slowing-down brake being carried out to automobile, reduces speed, bumper bar 1 stretches out, and first contacts barrier, in shock, buffering hydraulic
Cylinder 2 shrinks, and absorbs most of Impact energy by the cushioning effect of buffering hydraulic cylinder 2, reduces the impact to car body, greatly slow
Transmission of the Impact energy to car body is solved, protects car body and passenger inside the vehicle, the first air bag 5 carrying out soft buffering foremost, hitting
When hitting organism, slow down the injury to organism, while make being stamped into for Impact energy stage, the first air bag 5 hits
Soft snubber energy, subsequent buffering hydraulic cylinder 2 carries out energy-absorbing by hydraulic pressure to hitting, in the barrier impacts of bumper more than 1
In, impact microphone 13 receives signal, and single-chip microcomputer 9 controls the second air bag 6 to lean out, buffered by obstacle avoidance sensor 11 immediately
During hydraulic cylinder 2 bounces back, soft buffering is carried out again to bumper 1, slowed down between the bumper 1 of rollback and collision prevention girders
Hit, further buffer energy, protection car body, only the first air bag 5 ejects during bumper 1 protracts, second after shock as far as possible
Air bag 6 ejects again, actively stretches out, stage buffering, can effectively absorb most of Impact energy, protect car to greatest extent
Body, if not hit after stretching out, reduce producing for the second air bag 6, use cost can be reduced, whether dynamic monitoring automobile is deposited
Dangerous and self-actuating brake deceleration, bumper in collision are stretched out, and support beam 4 provides bumper 1 certain rigid support, ensures
It is be hinged to make buffering hydraulic cylinder front end that there is certain rolling after bumper impact breakage with being flexibly connected for buffering hydraulic cylinder 2
Dynamic property, buffering hydraulic cylinder breakage in hitting is reduced, can effectively reduce car collision accident；Can be when collision can not avoid
Active anticollision, significantly buffering energy-absorbing, change hard collision can effectively prevent the damage to caused by automobile during collision into soft contact
With the damage to caused by occupant.
Embodiment 2：Shown in reference picture 1, bumper extension type automobile hydraulic buffering automatic collision safety device, including insurance
Thick stick 1, flexible buffer gear, energy-absorbing component, controlling organization, flexible buffer gear are made up of two buffering hydraulic cylinders 2, two bufferings
The cylinder body of hydraulic cylinder 2 is connected with automobile buffer beam 3, and two buffering hydraulic cylinders 2 are set on the Central Symmetry of automobile buffer beam 3
Put, the rear wall of bumper 1 is provided with support beam 4, and front end and the corresponding position of automobile buffer beam 3 of buffering hydraulic cylinder 2 are hinged, energy-absorbing component bag
The first air bag 5 being arranged on bumper 1, the second air bag 6 being arranged on automobile buffer beam 3 are included, the first air bag 5 is arranged on branch
The center of beam 4 is supportted, face center is provided with air bag ejection door before bumper 1, and the center of support beam 4 is provided with the first air bag box of placement,
First air bag box shields to the first air bag, avoids foreign object damage air bag, the first airbag aeration is provided with the first air bag box
Gas generator, the second air bag 6 is arranged on the middle part of automobile buffer beam 3, and the middle part of automobile buffer beam 3 is provided with the second air bag box, the
Two air bag boxes are embedded the gas generator that the second air bag is provided with collision prevention girders front end, the second air bag box, and bumper 1, which is provided with, to swash
Send out the impact microphone 13 of the second air bag 6 ejection, impact microphone 13 connects single-chip microcomputer 6, the gas generator of the second air bag by
The connection of collision-prevention controller 11 controls, and is provided with pressure-oil tank 7 at automobile buffer beam 3, pressure-oil tank 7 passes through oil circuit and buffering hydraulic cylinder
2 connections, oil circuit mountain are provided with electromagnetism fuel tap 8, and controlling organization includes single-chip microcomputer 9, range finder 10, collision-prevention controller 11, fuel tap relay
Device 12, range finder 10 are arranged on car body, and range finder 10 connects single-chip microcomputer 9, and single-chip microcomputer 9 connects collision-prevention controller 11, anticollision control
Device 11 processed connects fuel tap relay 12, and fuel tap relay 12 connects electromagnetism fuel tap 8, and the gas generator of the first air bag 5 is by anticollision
Controller 11 connects controller, and single-chip microcomputer 9 is also associated with audible-visual annunciator audible-visual annunciator and is arranged at driver's cabin, range finder 10
Measure the distance of vehicle front barrier at any time, the distance measured fed back into single-chip microcomputer 9 in time, single-chip microcomputer 9 calculate and
Judge, if the relative velocity and relative distance between automobile and barrier reach alarm setting value, single-chip microcomputer 9 is i.e. to sound and light alarm
Device output alarm signal, the sound and light signal of alarm is sent to driver, if relative velocity and relative distance reach collision setting value
When, single-chip microcomputer 9 sends signal to collision-prevention controller 11, and the fuel tap relay 12 of collision-prevention controller 11 sends control signal, fuel tap after
Electrical equipment 12 controls electromagnetism fuel tap 8 to open, and buffering hydraulic cylinder 2 stretches out, while collision-prevention controller 11 occurs to the gas of the first air bag 5
Device sends control signal, and the first air bag 5 ejects, and the arc air bag of covering bumper 1, while metal are formed in the front end of bumper 1
Controller obtains the reduce-speed sign of single-chip microcomputer 9, and bumper bar 1 stretches out, and first contacts barrier, and in shock, buffering hydraulic cylinder 2 shrinks,
Most of Impact energy is absorbed by the cushioning effect of buffering hydraulic cylinder 2, reduces the impact to car body, greatly alleviates impact energy
The transmission to car body is measured, protects car body and passenger inside the vehicle, the first air bag 5 carrying out soft buffering foremost, striking biology
During body, slow down the injury to organism, while make being stamped into for Impact energy stage, the first air bag 5 hits soft buffering
Energy is absorbed, subsequent buffering hydraulic cylinder 2 carries out energy-absorbing by hydraulic pressure to hitting, and in the barrier impacts of bumper more than 1, hits and passes
Sensor 13 receives signal, and single-chip microcomputer 9 controls the second air bag 6 to lean out, returned in buffering hydraulic cylinder 2 by obstacle avoidance sensor 11 immediately
During contracting, soft buffering is carried out again to bumper 1, slows down the shock between the bumper 1 of rollback and collision prevention girders, enters one
Step buffering energy, protection car body, only the first air bag 5 ejects during bumper 1 protracts as far as possible, the second air bag 6 bullet again after shock
Go out, actively stretch out, stage buffering, can effectively absorb most of Impact energy, protect car body to greatest extent, if after stretching out
Do not hit, then reduce producing for the second air bag 6, use cost can be reduced, move danger of the monitoring automobile with the presence or absence of collision
Simultaneously self-actuating brake deceleration, bumper stretch out for danger, and support beam 4 provides bumper 1 certain rigid support, guarantee and buffering hydraulic
The flexible connection of cylinder 2, be hinged that buffering hydraulic cylinder front end can be made to have certain rocking property after bumper impact breakage, reduction is hit
Buffering hydraulic cylinder breakage is hit, can effectively reduce car collision accident, can the active anticollision, big when collision can not avoid
Amplitude buffering energy-absorbing, change hard collision are damaged to caused by automobile when can effectively prevent collision into soft contact and occupant are made
Into damage.
It is described above, only it is preferred embodiment of the present utility model, any formal limit is not done to the utility model
System, it is every according to any simple modification made in the technical essence of the utility model to above example, equivalent variations, fall
Enter within the scope of protection of the utility model.
Claims (5)
1. bumper extension type automobile hydraulic buffers automatic collision safety device, including bumper, flexible buffer gear, energy-absorbing group
Part, controlling organization, flexible buffer gear rear end are connected with automobile buffer beam, and buffer gear front end of stretching connects with bumper rear end face
Connect, controlling organization includes single-chip microcomputer, range finder, and range finder connection single-chip microcomputer, the flexible buffer gear of single-chip microcomputer connection control, it is special
Sign is：Described energy-absorbing component includes the first air bag being arranged on bumper, the second gas being arranged on automobile buffer beam
Capsule, the first air bag are arranged in the support beam at bumper rear portion, and face corresponding position is provided with air bag ejection door, the first air bag before bumper
Excited simultaneously with flexible buffer gear, bumper is provided with the impact microphone for exciting the second air bag to eject, and impact microphone connects
Connect single-chip microcomputer, the second air bag is arranged in the middle part of automobile buffer beam, and described flexible buffer gear is buffering hydraulic cylinder, buffering hydraulic
Cylinder cylinder body is connected with automobile buffer beam, and buffering hydraulic cylinder output end is connected with support beam.
2. bumper extension type automobile hydraulic according to claim 1 buffers automatic collision safety device, it is characterised in that：
The first described air bag is arranged on support beam center, be arc after the ejection of the first air bag, and support beam center, which is provided with, disposes the
First air bag box of one air bag, the first air bag box is interior to be provided with gas generator, and gas launcher is controlled by single-chip microcomputer.
3. bumper extension type automobile hydraulic according to claim 1 buffers automatic collision safety device, it is characterised in that：
The second air bag box is provided with the middle part of described automobile buffer beam, the second air bag box is embedded to be set in collision prevention girders front end, the second air bag box
There is air bag gas generator.
4. bumper extension type automobile hydraulic according to claim 1 buffers automatic collision safety device, it is characterised in that：
Described buffering hydraulic cylinder number is two, and two buffering hydraulic cylinders are on automobile buffer beam center symmetric setting, buffering hydraulic
Cylinder output end is not hinged corresponding position with support beam work, pressure-oil tank is provided with automobile buffer beam, pressure-oil tank is by oil circuit with delaying
Fliud flushing cylinder pressure is connected, and oil circuit is provided with electromagnetism fuel tap, and electromagnetism fuel tap is controlled by controlling organization and opened and closed.
5. the bumper extension type automobile hydraulic buffering automatic collision safety device according to any one of claim 1 or 4,
It is characterized in that：Described controlling organization also includes collision-prevention controller, fuel tap relay, collision-prevention controller connection single-chip microcomputer, prevents
Hit controller connection control fuel tap relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720378761.XU CN206734229U (en) | 2017-04-12 | 2017-04-12 | Bumper extension type automobile hydraulic buffers automatic collision safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720378761.XU CN206734229U (en) | 2017-04-12 | 2017-04-12 | Bumper extension type automobile hydraulic buffers automatic collision safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206734229U true CN206734229U (en) | 2017-12-12 |
Family
ID=60558837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720378761.XU Expired - Fee Related CN206734229U (en) | 2017-04-12 | 2017-04-12 | Bumper extension type automobile hydraulic buffers automatic collision safety device |
Country Status (1)
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| CN (1) | CN206734229U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108327671A (en) * | 2017-12-15 | 2018-07-27 | 国网江苏省电力公司泰州市姜堰区供电公司 | A kind of power equipment safety reminder alarm device |
| CN108454547A (en) * | 2018-04-10 | 2018-08-28 | 厦门大学嘉庚学院 | Automobile collision energy absorber |
| CN108583488A (en) * | 2018-06-29 | 2018-09-28 | 宁波工程学院 | A kind of active buffer device when car crass |
| CN108791149A (en) * | 2018-08-08 | 2018-11-13 | 爱驰汽车有限公司 | A kind of anticollision device, collision-prevention device and automobile for automobile |
| CN109572604A (en) * | 2018-12-06 | 2019-04-05 | 扬州秦禧环保科技有限公司 | A kind of bus crash-proof chassis that can be extended automatically |
| CN109969112A (en) * | 2019-02-26 | 2019-07-05 | 浙江飞碟汽车制造有限公司 | A kind of automobile buffer beam |
| CN110371064A (en) * | 2019-07-25 | 2019-10-25 | 孙素龙 | A kind of anti-collision device for automobile |
| CN111086471A (en) * | 2018-10-24 | 2020-05-01 | 北汽福田汽车股份有限公司 | Vehicle and anti-collision structure thereof |
| CN111186405A (en) * | 2020-02-20 | 2020-05-22 | 杭州味想汽车用品有限公司 | Automobile anti-collision device based on distance detection |
| CN113212347A (en) * | 2021-05-07 | 2021-08-06 | 恒大恒驰新能源汽车研究院(上海)有限公司 | Energy-absorbing assembly and automobile |
| CN113246889A (en) * | 2021-05-19 | 2021-08-13 | 安徽工程大学 | Automatic automobile anti-collision device and method |
| CN113879245A (en) * | 2021-11-16 | 2022-01-04 | 哈尔滨理工大学 | Active automobile side collision buffer device |
| CN114906084A (en) * | 2022-07-14 | 2022-08-16 | 杭州斯格尔液压机械有限公司 | Hydraulic buffer for automobile collision |
-
2017
- 2017-04-12 CN CN201720378761.XU patent/CN206734229U/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108327671A (en) * | 2017-12-15 | 2018-07-27 | 国网江苏省电力公司泰州市姜堰区供电公司 | A kind of power equipment safety reminder alarm device |
| CN108454547A (en) * | 2018-04-10 | 2018-08-28 | 厦门大学嘉庚学院 | Automobile collision energy absorber |
| CN108583488B (en) * | 2018-06-29 | 2024-05-24 | 宁波工程学院 | Active buffer device for automobile collision |
| CN108583488A (en) * | 2018-06-29 | 2018-09-28 | 宁波工程学院 | A kind of active buffer device when car crass |
| CN108791149A (en) * | 2018-08-08 | 2018-11-13 | 爱驰汽车有限公司 | A kind of anticollision device, collision-prevention device and automobile for automobile |
| CN108791149B (en) * | 2018-08-08 | 2020-12-04 | 爱驰汽车有限公司 | A buffer stop and car for car |
| CN111086471A (en) * | 2018-10-24 | 2020-05-01 | 北汽福田汽车股份有限公司 | Vehicle and anti-collision structure thereof |
| CN111086471B (en) * | 2018-10-24 | 2021-04-20 | 北汽福田汽车股份有限公司 | Vehicle and anti-collision structure thereof |
| CN109572604A (en) * | 2018-12-06 | 2019-04-05 | 扬州秦禧环保科技有限公司 | A kind of bus crash-proof chassis that can be extended automatically |
| CN109969112A (en) * | 2019-02-26 | 2019-07-05 | 浙江飞碟汽车制造有限公司 | A kind of automobile buffer beam |
| CN110371064A (en) * | 2019-07-25 | 2019-10-25 | 孙素龙 | A kind of anti-collision device for automobile |
| CN111186405A (en) * | 2020-02-20 | 2020-05-22 | 杭州味想汽车用品有限公司 | Automobile anti-collision device based on distance detection |
| CN113212347A (en) * | 2021-05-07 | 2021-08-06 | 恒大恒驰新能源汽车研究院(上海)有限公司 | Energy-absorbing assembly and automobile |
| CN113246889A (en) * | 2021-05-19 | 2021-08-13 | 安徽工程大学 | Automatic automobile anti-collision device and method |
| CN113246889B (en) * | 2021-05-19 | 2022-11-22 | 安徽工程大学 | Automatic automobile anti-collision device and method |
| CN113879245A (en) * | 2021-11-16 | 2022-01-04 | 哈尔滨理工大学 | Active automobile side collision buffer device |
| CN114906084A (en) * | 2022-07-14 | 2022-08-16 | 杭州斯格尔液压机械有限公司 | Hydraulic buffer for automobile collision |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171212 Termination date: 20200412 |