CN110091824B - Pedestrian safety protection device for vehicle - Google Patents
Pedestrian safety protection device for vehicle Download PDFInfo
- Publication number
- CN110091824B CN110091824B CN201910475859.0A CN201910475859A CN110091824B CN 110091824 B CN110091824 B CN 110091824B CN 201910475859 A CN201910475859 A CN 201910475859A CN 110091824 B CN110091824 B CN 110091824B
- Authority
- CN
- China
- Prior art keywords
- air bag
- switch
- cylinder
- piston
- vehicle body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000013016 damping Methods 0.000 claims abstract description 12
- 238000005096 rolling process Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 239000006260 foam Substances 0.000 claims description 5
- 239000000446 fuel Substances 0.000 claims description 5
- 239000010705 motor oil Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 230000006378 damage Effects 0.000 description 17
- 208000027418 Wounds and injury Diseases 0.000 description 13
- 208000014674 injury Diseases 0.000 description 13
- 230000000694 effects Effects 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 230000002265 prevention Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
- B60R21/36—Protecting non-occupants of a vehicle, e.g. pedestrians using airbags
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
Abstract
The invention relates to the field of automobile safety, in particular to a pedestrian safety protection device for a vehicle. The pedestrian safety protection device for the vehicle comprises a vehicle body, an air bag device, a handle device and a switch device; the air bag devices are in a strip shape when not inflated, the air bag devices are arranged at the front end of the vehicle body in parallel, the air bag devices comprise an inner air bag, an outer air bag and a gas generating device, the inner air bag is arranged in the outer air bag, the inner air bag and the outer air bag are connected with the gas generating device through pipelines, a plurality of uvula-shaped bulges are arranged on the inflated inner air bag, and a plurality of damping holes are formed in the outer air bag; the handle device is provided with a plurality of handle devices. The invention is provided with the active switch and the trigger switch at the same time, so that the pedestrian safety protection device can be started no matter whether a driver reacts in time or not; the outer layer air bag is provided with a damping hole, so that air leakage and energy absorption can be realized, and pedestrians are prevented from being sprung.
Description
Technical Field
The invention relates to the field of automobile safety, in particular to a pedestrian safety protection device for a vehicle.
Background
Automotive safety is divided into two major aspects of active safety and passive safety for vehicles. Active safety is to control the automobile as freely as possible. The braking and accelerating on the straight line or the left and right driving direction should be as stable as possible, so that the braking and accelerating on the straight line does not deviate from the established travelling route, and the visual field and the comfort of a driver are not affected. The automobile has high accident-avoiding capability, and ensures the safety of the automobile under the emergency condition. Passive safety refers to the protection of occupants in a vehicle after an accident, and the concept of protection is now extended to all people and even objects inside and outside the vehicle.
According to the patent "pedestrian protection airbag, pedestrian protection airbag device, and vehicle" of publication No. CN206914293U, the prior art has set an airbag that is conventionally disposed in a vehicle to protect occupants in the vehicle to the outside of the vehicle body, and utilizes the shock-absorbing and buffering characteristics of the airbag to reduce the injury to the pedestrian caused when the vehicle and the pedestrian collide, however, the safety of the pedestrian is obviously insufficient by only relying on the external airbag of the vehicle, and when the vehicle collides with the pedestrian, the airbag pops up to possibly further pop the pedestrian away to the distance, causing secondary injury, or push the pedestrian down to be rolled into the vehicle, thereby causing rolling injury.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: provided is a pedestrian safety protection device for a vehicle, which can prevent secondary injury caused by the ejection of an airbag.
In order to solve the technical problems, the invention adopts the following technical scheme: a pedestrian safety protection device for a vehicle comprises a vehicle body, an air bag device, a handle device and a switch device;
the air bag device comprises an inner air bag, an outer air bag and a gas generating device, wherein the inner air bag is arranged inside the outer air bag, the inner air bag and the outer air bag are connected with the gas generating device through pipelines, a plurality of uvula-shaped bulges are arranged on the inner air bag after the inner air bag is inflated, and a plurality of damping holes are formed in the outer air bag;
the handle device is rotationally connected to the surface of the front cover of the vehicle body;
the switch device comprises a trigger switch and an active switch, the trigger switch is arranged at the forefront end of the vehicle body, the active switch is arranged inside the vehicle body and used for enabling a driver to actively control the safety protection device to be opened, the active switch is electrically connected with the gas generation device, and the trigger switch is electrically connected with the gas generation device.
The invention has the beneficial effects that: the active switch and the trigger switch are arranged at the same time, so that the pedestrian safety protection device can be started no matter whether a driver reacts in time or not; the outer layer air bag is provided with a damping hole, so that air leakage and energy absorption can be realized, and pedestrians are prevented from being sprung; the inner layer air bag is provided with a uvula-shaped bulge after being inflated, so that pedestrians can be blocked, and further the pedestrians are prevented from being sprung; the handle device can enable pedestrians to grasp, and is helpful for the pedestrians to ensure that the pedestrians are positioned at the front cover of the vehicle when the collision occurs, so that secondary injury caused by being thrown out is avoided.
Drawings
FIG. 1 is a block diagram of a pedestrian safety protection apparatus for a vehicle according to an embodiment of the present invention;
FIG. 2 is a side view of a vehicular pedestrian safety protection apparatus according to an embodiment of the present invention;
FIG. 3 is a view showing an expansion structure of an inner bag according to an embodiment of the present invention;
description of the reference numerals:
1-a vehicle body; 2-inner layer air bags; 201-bump; 3-an outer balloon; 301-damping holes; 4-a gas generating device; 5-grip; 6-a first piston; 7-a first return spring; 8-a first cylinder; 9-a first travel switch;
10-a first solenoid valve; 11-triggering a switch; 12-active switch; 13-a baffle; 14-a second piston;
15-a second return spring; 16-a second cylinder; 17-a second travel switch; 18-a second solenoid valve.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present invention in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
The most critical concept of the invention is as follows: 1. when collision occurs, the double-layer air bags are utilized to buffer and protect pedestrians, and the pedestrians can be prevented from being damaged due to the fact that the air bags are ejected out; 2. the grip device can provide a place for a pedestrian to grasp.
Referring to fig. 1 to 3, a pedestrian safety protection apparatus for a vehicle includes a vehicle body 1, an airbag apparatus, a grip apparatus, and a switching apparatus;
the air bag device comprises an inner air bag 2, an outer air bag 3 and a gas generating device 4, wherein the inner air bag 2 is arranged inside the outer air bag 3, the inner air bag 2 and the outer air bag 3 are connected with the gas generating device 4 through pipelines, a plurality of uvula-shaped bulges 201 are arranged on the inner air bag 2 after the inner air bag 2 is inflated, and a plurality of damping holes 301 are formed in the outer air bag 3;
the handle device is rotatably connected to the surface of the front cover of the vehicle body 1;
the switch device comprises a trigger switch 11 and an active switch 12, wherein the trigger switch 11 is arranged at the forefront end of the vehicle body 1, the active switch 12 is arranged inside the vehicle body 1, the active switch 12 is used for enabling a driver to actively control the safety protection device to be turned on, the active switch 12 is electrically connected with the gas generating device 4, and the trigger switch 11 is electrically connected with the gas generating device 4.
Description of the working principle of the invention: immediately before collision, a driver can start to generate a large amount of gas by pressing the active switch 12, the inner layer air bag 2 and the outer layer air bag 3 are inflated, and the gas generating device 4 lifts the handle device through the pneumatic pipeline; when collision occurs, a pedestrian collides with the outer layer air bag 3, the internal pressure of the outer layer air bag 3 is increased, gas leaks to the outside through the damping hole 301, so that secondary injury caused by the rebound of the outer layer air bag 3 is avoided, after the outer layer air bag 3 leaks and absorbs energy, the pedestrian can further collide with the inner layer air bag 2, and the pedestrian can be clamped between any two uvula-shaped bulges 201 on the inner layer air bag 2, secondary injury caused by the rebound of the pedestrian by the air bag device is further avoided, and meanwhile, the pedestrian can grasp the handle device positioned on the front cover of the vehicle body to keep the pedestrian from being ejected; if the driver does not press the active switch 12 in time before the collision, the pedestrian collides with the trigger switch 11 provided at the forefront end of the vehicle body 1, and the airbag device and the grip device can perform the above-mentioned actions as well, thereby providing protection for the pedestrian.
From the above description, the beneficial effects of the invention are as follows: the active switch and the trigger switch are arranged at the same time, so that the pedestrian safety protection device can be started no matter whether a driver reacts in time or not; the outer layer air bag is provided with a damping hole, so that air leakage and energy absorption can be realized, and pedestrians are prevented from being sprung; the inner layer air bag is provided with a uvula-shaped bulge after being inflated, so that pedestrians can be blocked, and further the pedestrians are prevented from being sprung; the handle device can enable pedestrians to grasp, and is helpful for the pedestrians to ensure that the pedestrians are positioned at the front cover of the vehicle when the collision occurs, so that secondary injury caused by being thrown out is avoided.
Further, the handle device has a plurality of, the handle device includes handle 5, first piston 6, first reset spring 7, first cylinder 8, first travel switch 9 and first solenoid valve 10, handle 5 rotates to be connected in automobile body 1 protecgulum surface, handle 5 middle part and first piston 6 rotate to be connected, first piston 6 sliding connection is in first cylinder 8, first piston 6 is equipped with the sealing washer with first cylinder 8 inner wall contact position cover, first reset spring 7 is located first cylinder 8 inside, just first reset spring 7 cover is located first piston 6, first cylinder 8 sets up in automobile body 1 protecgulum inside, first travel switch 9 sets up in first cylinder 8 top, first travel switch 9 is the electricity with first solenoid valve 10 and is connected, first solenoid valve 10 one end and first cylinder 8 intercommunication other end and gas generator 4 pass through the pipeline intercommunication.
As can be seen from the above description, in the normal state, the first return spring extends the piston to be located at the bottom dead center, the grip is located at the same plane as the front cover of the vehicle body, when a collision occurs, the switch device transmits an electrical signal to the gas generating device, the gas generating device charges the first cylinder, the first piston is jacked up to drive the grip to rotate and lift, the first return spring is compressed, the position of the grip is higher than the front cover of the vehicle body at this time, when the first piston moves to the top of the first cylinder, the first travel switch at the top of the first cylinder is triggered, the first electromagnetic valve is closed, so that a sealing space is formed inside the first cylinder, and the grip 5 keeps a lifted state and cannot fall under the action of gas pressure.
Further, the number of the handle devices is two, and the rotation angle range of the handle 5 relative to the front cover of the vehicle body is 0-45 degrees.
From the above description, the two grips are helpful for the pedestrian to grasp with both hands in the event of collision, and the grips rotate to incline at an angle with respect to the horizontal plane, so as to facilitate the pedestrian to grasp.
Further, the rolling prevention device comprises a baffle 13, a second piston 14, a second return spring 15, a second air cylinder 16, a second travel switch 17 and a second electromagnetic valve 18, wherein the baffle 13 is rotationally connected to one side of the bottom of the vehicle body 1 in the vehicle wheel advancing direction, the middle part of the baffle 13 is rotationally connected with the second piston 14, the second piston 14 is slidably connected in the second air cylinder 16, a sealing ring is sleeved at the contact part between the second piston 14 and the inner wall of the second air cylinder 16, the second return spring 15 is positioned at the 16 part of the second air cylinder, the second return spring 15 is sleeved on the second piston 14, the second air cylinder 16 is arranged at the bottom of the vehicle body 1, the second travel switch 17 is arranged at the top of the second air cylinder 16, the second travel switch 17 is electrically connected with the second electromagnetic valve 18, one end of the second electromagnetic valve 18 is communicated with the second air cylinder 16, and the other end of the second electromagnetic valve is communicated with the gas generating device 4 through a pipeline.
It can be seen from the above description that, when a collision occurs, a pedestrian may be involved in the vehicle bottom, so that rolling damage occurs, at this time, the gas generating device charges gas into the second cylinder, the second piston is jacked up to drive the baffle to overturn downwards until being perpendicular to the ground, the second return spring is compressed, when the second piston moves to the top, the second travel switch at the top of the second cylinder is triggered, the second electromagnetic valve is closed, so that a sealed space is formed inside the second cylinder, the baffle keeps in a state of being perpendicular to the ground and cannot overturn upwards due to the effect of gas pressure, and the baffle is spaced between the pedestrian and the wheel, so that the pedestrian is pushed forward, and rolling damage is converted into friction damage.
Further, the baffle 13 is perpendicular to the ground after being opened, and the distance between the bottom end of the baffle 13 and the ground after being opened is 3-5 cm.
From the above description, the baffle is easy to damage when contacting with the ground, and the protection performance is reduced; the baffle is too far from the ground to achieve good protection effect.
Further, a buffer foam is arranged on the surface of the baffle 13.
From the above description, the cushion foam can make the pedestrian be in elastic impact when in collision contact with the baffle plate, and cannot be damaged excessively.
Further, the engine oil supply system further comprises an oil-breaking electromagnetic valve, wherein the oil-breaking electromagnetic valve is electrically connected with the trigger switch and the active switch, and the oil-breaking electromagnetic valve is used for closing the engine oil supply system.
From the above description, it is evident that the fuel cut cell valve can quickly stop the engine from fueling and shut down.
Further, the vehicle braking device further comprises a braking switch, wherein the braking switch is electrically connected with the trigger switch and the active switch, and the braking switch is used for cutting off a vehicle power system and braking.
From the above description, the brake switch enables the vehicle to be stopped as soon as possible.
Further, the airbag device is provided in a plurality of strips when not inflated, and the airbag devices are arranged at the front end of the vehicle body in parallel.
Further, the trigger switch 11 is a travel switch, and at least four trigger switches 11 are provided.
As can be seen from the above description, the four trigger switches can ensure that a pedestrian can trigger one of the trigger switches when the pedestrian collides with the front end of the vehicle, so as to turn on the pedestrian safety protection device.
Further, the surface of the outer layer air bag 3 is provided with a magic tape, and the hook surface of the magic tape faces to the outer side.
According to the above description, after the outer layer air bag is inflated, the hook surface of the magic tape can be contacted with clothes of a pedestrian to be collided, and according to the principle of sticking the magic tape, the soft fibers on the clothes of the pedestrian can be hooked by the hook-shaped hard fibers of the hook surface of the magic tape, so that the pedestrian can be prevented from being bumped to a far distance to cause secondary injury to a certain extent.
Example 1
A pedestrian safety protection device for a small car comprises a car body 1, an air bag device, a handle device and a switch device;
the three airbag devices are in a strip shape when the airbag devices are not inflated, a plurality of airbag devices are arranged at the front end of a vehicle body in parallel, the airbag devices comprise an inner airbag 2, an outer airbag 3 and a gas generating device 4, the inner airbag 2 is arranged inside the outer airbag 3, the inner airbag 2 and the outer airbag 3 are connected with the gas generating device 4 through pipelines, a plurality of uvula-shaped bulges 201 are arranged after the inner airbag 2 is inflated, a plurality of damping holes 301 are formed in the outer airbag 3, and a magic tape is arranged on the surface of the outer airbag 3 and faces outwards;
the two handle devices comprise a handle 5, a first piston 6, a first return spring 7, a first cylinder 8, a first travel switch 9 and a first electromagnetic valve 10, wherein the handle 5 is rotationally connected to the surface of the front cover of the vehicle body 1, the rotation angle range of the handle 5 is 0-45 degrees, the middle part of the handle 5 is rotationally connected with the first piston 6, the first piston 6 is slidingly connected in the first cylinder 8, a sealing ring is sleeved at the contact part of the first piston 6 and the inner wall of the first cylinder 8, the first return spring 7 is positioned in the first cylinder 8, the first return spring 7 is sleeved on the first piston 6, the first cylinder 8 is arranged in the front cover of the vehicle body 1, the first travel switch 9 is arranged at the top of the first cylinder 8, the first travel switch 9 is electrically connected with the first electromagnetic valve 10, one end of the first electromagnetic valve 10 is communicated with the first cylinder 8, and the other end of the first electromagnetic valve 10 is communicated with the gas generating device 4 through a pipeline;
the switch device comprises four trigger switches 11 and active switches 12, wherein the four trigger switches 11 are arranged at the forefront end of the vehicle body 1, the trigger switches 11 are travel switches, the active switches 12 are arranged inside the vehicle body 1, the active switches 12 are used for enabling a driver to actively control the safety protection device to be turned on, the active 12 switches are electrically connected with the gas generating device 4, and the trigger switches 11 are electrically connected with the gas generating device 4.
The oil-saving device is characterized by further comprising an oil-saving electromagnetic valve, wherein the oil-saving electromagnetic valve is electrically connected with the trigger switch and the active switch, and the oil-saving electromagnetic valve is used for closing an engine oil supply system. The brake switch is electrically connected with the trigger switch and the active switch, and is used for cutting off a vehicle power system and braking.
Example two
A pedestrian safety protection device for a large bus or truck comprises a bus body 1, an air bag device, a handle device and a switch device;
the three airbag devices are in a strip shape when the airbag devices are not inflated, a plurality of airbag devices are arranged at the front end of a vehicle body in parallel, the airbag devices comprise an inner airbag 2, an outer airbag 3 and a gas generating device 4, the inner airbag 2 is arranged inside the outer airbag 3, the inner airbag 2 and the outer airbag 3 are connected with the gas generating device 4 through pipelines, a plurality of uvula-shaped bulges 201 are arranged after the inner airbag 2 is inflated, a plurality of damping holes 301 are formed in the outer airbag 3, and a magic tape is arranged on the surface of the outer airbag 3 and faces outwards;
the two handle devices comprise a handle 5, a first piston 6, a first return spring 7, a first cylinder 8, a first travel switch 9 and a first electromagnetic valve 10, wherein the handle 5 is rotationally connected to the surface of the front cover of the vehicle body 1, the rotation angle range of the handle 5 is 0-45 degrees, the middle part of the handle 5 is rotationally connected with the first piston 6, the first piston 6 is slidingly connected in the first cylinder 8, a sealing ring is sleeved at the contact part of the first piston 6 and the inner wall of the first cylinder 8, the first return spring 7 is positioned in the first cylinder 8, the first return spring 7 is sleeved on the first piston 6, the first cylinder 8 is arranged in the front cover of the vehicle body 1, the first travel switch 9 is arranged at the top of the first cylinder 8, the first travel switch 9 is electrically connected with the first electromagnetic valve 10, one end of the first electromagnetic valve 10 is communicated with the first cylinder 8, and the other end of the first electromagnetic valve 10 is communicated with the gas generating device 4 through a pipeline;
the switch device comprises four trigger switches 11 and active switches 12, wherein the four trigger switches 11 are arranged at the forefront end of the vehicle body 1, the trigger switches 11 are travel switches, the active switches 12 are arranged inside the vehicle body 1, the active switches 12 are used for enabling a driver to actively control the safety protection device to be turned on, the active 12 switches are electrically connected with the gas generating device 4, and the trigger switches 11 are electrically connected with the gas generating device 4.
The oil-saving device is characterized by further comprising an oil-saving electromagnetic valve, wherein the oil-saving electromagnetic valve is electrically connected with the trigger switch and the active switch, and the oil-saving electromagnetic valve is used for closing an engine oil supply system. The brake switch is electrically connected with the trigger switch and the active switch, and is used for cutting off a vehicle power system and braking.
The rolling prevention device comprises a baffle 13, a second piston 14, a second return spring 15, a second air cylinder 16, a second travel switch 17 and a second electromagnetic valve 18, wherein the baffle 13 is rotationally connected to one side of the bottom of the vehicle body 1 in the vehicle wheel advancing direction, the middle part of the baffle 13 is rotationally connected with the second piston 14, the second piston 14 is slidably connected in the second air cylinder 16, a sealing ring is sleeved at the contact part between the second piston 14 and the inner wall of the second air cylinder 16, the second return spring 15 is positioned at the 16 part of the second air cylinder, the second return spring 15 is sleeved on the second piston 14, the second air cylinder 16 is arranged at the bottom of the vehicle body 1, the second travel switch 17 is arranged at the top of the second air cylinder 16, the second travel switch 17 is electrically connected with the second electromagnetic valve 18, one end of the second electromagnetic valve 18 is communicated with the second air cylinder 16, and the other end of the second electromagnetic valve 18 is communicated with the gas generating device 4 through a pipeline. The baffle 13 is perpendicular to the ground after being opened, and the distance between the bottom end of the baffle 13 and the ground after being opened is 3-5 cm. The surface of the baffle 13 is provided with buffer foam.
In summary, the beneficial effects of the invention are as follows: the active switch and the trigger switch are arranged at the same time, so that the pedestrian safety protection device can be started no matter whether a driver reacts in time or not; the outer layer air bag is provided with a damping hole, so that air leakage and energy absorption can be realized, and pedestrians are prevented from being sprung; the inner layer air bag is provided with a uvula-shaped bulge after being inflated, so that pedestrians can be blocked, and further the pedestrians are prevented from being sprung; the handle device can enable pedestrians to grasp, and is helpful for the pedestrians to ensure that the pedestrians are positioned at the front cover of the vehicle when the collision occurs, so that secondary injury caused by being thrown out is avoided. The baffle is spaced between the pedestrian and the wheel to push the pedestrian forward, converting the rolling injury into a frictional injury. The baffle and the ground are 3-5 cm apart from each other, so that the baffle can be prevented from being damaged and a good protection effect can be provided. The buffer foam can enable pedestrians to be in elastic impact when in collision contact with the baffle plate, and cannot be damaged excessively. The fuel cut cell valve can quickly stop the engine from supplying fuel to flameout. The brake switch can stop the vehicle as soon as possible. The two grips help the pedestrian to grasp with both hands in the event of a collision. The four trigger switches can ensure that one trigger switch can be triggered when the pedestrian is positioned at the front end of the vehicle and collides, so that the pedestrian safety protection device is started. The handle rotates and inclines at a certain angle with the horizontal plane, so that the handle is convenient for pedestrians to grasp. According to the principle of sticking the magic tape, the thorn-shaped hard fibers of the hook surface of the magic tape can hook the soft fibers on the clothes of pedestrians, so that the pedestrians can be prevented from being bumped to a certain extent to cause secondary injury.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent changes made by the specification and drawings of the present invention, or direct or indirect application in the relevant art, are included in the scope of the present invention.
Claims (8)
1. The pedestrian safety protection device for the vehicle is characterized by comprising a vehicle body, an air bag device, a handle device and a switch device;
the air bag device comprises an inner air bag, an outer air bag and a gas generating device, wherein the inner air bag is arranged inside the outer air bag, the inner air bag and the outer air bag are connected with the gas generating device through pipelines, a plurality of uvula-shaped bulges are arranged on the inner air bag after the inner air bag is inflated, and a plurality of damping holes are formed in the outer air bag;
the handle device is rotationally connected to the surface of the front cover of the vehicle body;
the switch device comprises a trigger switch and an active switch, the trigger switch is arranged at the forefront end of the vehicle body, the active switch is arranged in the vehicle body, the active switch is used for enabling a driver to actively control the safety protection device to be opened, the active switch is electrically connected with the gas generation device, and the trigger switch is electrically connected with the gas generation device;
the handle device comprises a handle, a first piston, a first reset spring, a first cylinder, a first travel switch and a first electromagnetic valve, wherein the handle is rotationally connected to the surface of a front cover of a vehicle body, the middle part of the handle is rotationally connected with the first piston, the first piston is slidably connected in the first cylinder, a sealing ring is sleeved at the contact part of the first piston and the inner wall of the first cylinder, the first reset spring is positioned in the first cylinder, the first reset spring is sleeved on the first piston, the first cylinder is arranged in the front cover of the vehicle body, the first travel switch is arranged at the top of the first cylinder, the first travel switch is electrically connected with the first electromagnetic valve, one end of the first electromagnetic valve is communicated with the first cylinder, and the other end of the first electromagnetic valve is communicated with the gas generating device through a pipeline;
still including preventing rolling machine, prevent rolling machine includes baffle, second piston, second reset spring, second cylinder, second travel switch and second solenoid valve, the baffle rotates to be connected in wheel direction of advance one side of automobile body bottom, the baffle middle part rotates with the second piston to be connected, second piston sliding connection is in the second cylinder, second piston and second cylinder inner wall contact position cover are equipped with the sealing washer, second reset spring is located inside the second cylinder, just second reset spring cover locates on the second piston, the second cylinder sets up in the automobile body bottom, second travel switch sets up in second cylinder top, second travel switch is the electricity with the second solenoid valve, second solenoid valve one end and second cylinder intercommunication other end and gas generating device pass through the pipeline intercommunication.
2. The pedestrian safety arrangement of claim 1 wherein there are two of said grip means, said grip being rotated in a range of 0 to 45 degrees relative to the front cover of the body.
3. The pedestrian safety arrangement of claim 1 wherein the baffle is perpendicular to the ground after opening and the bottom end is 3-5 cm from the ground after opening.
4. The pedestrian safety arrangement of claim 1 wherein the baffle surface is provided with cushioning foam.
5. The pedestrian safety arrangement of claim 1 further comprising a fuel cutoff solenoid electrically connected to both the trigger switch and the active switch, the fuel cutoff solenoid for closing the engine oil supply.
6. The pedestrian safety arrangement of claim 1 further comprising a brake switch electrically connected to both the trigger switch and the active switch, the brake switch for switching off the vehicle power system and braking.
7. The pedestrian safety arrangement according to claim 1, wherein there are a plurality of the airbag devices, which are elongated when not inflated, the plurality of airbag devices being disposed in parallel at a front end of the vehicle body.
8. The pedestrian safety arrangement of claim 1 wherein the outer airbag surface is provided with a velcro, the velcro hook facing outwardly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910475859.0A CN110091824B (en) | 2019-06-03 | 2019-06-03 | Pedestrian safety protection device for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910475859.0A CN110091824B (en) | 2019-06-03 | 2019-06-03 | Pedestrian safety protection device for vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110091824A CN110091824A (en) | 2019-08-06 |
| CN110091824B true CN110091824B (en) | 2023-12-01 |
Family
ID=67450121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910475859.0A Active CN110091824B (en) | 2019-06-03 | 2019-06-03 | Pedestrian safety protection device for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110091824B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111216672A (en) * | 2020-03-09 | 2020-06-02 | 上海理工大学 | Pedestrian protection device for vehicle |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88203142U (en) * | 1988-02-10 | 1988-11-09 | 张贤生 | Safety installations during the collision of vehicles |
| JP2006062590A (en) * | 2004-08-30 | 2006-03-09 | Nippon Plast Co Ltd | Airbag |
| CN101214806A (en) * | 2008-01-22 | 2008-07-09 | 王运韬 | Car safety air sac capable of actively protecting and preventing collision to pedestrian |
| CN101318497A (en) * | 2008-07-07 | 2008-12-10 | 奇瑞汽车股份有限公司 | Passerby protecting equipment |
| CN204161300U (en) * | 2014-10-16 | 2015-02-18 | 慈溪市腾辉汽车零部件有限公司 | To move backward anti-rcc system |
| CN204161301U (en) * | 2014-10-16 | 2015-02-18 | 慈溪市腾辉汽车零部件有限公司 | Reversing automobile safety system |
| CN205468921U (en) * | 2016-03-03 | 2016-08-17 | 燕山大学 | Device that knocks into back is prevented to initiative car |
| CN206520581U (en) * | 2016-12-30 | 2017-09-26 | 长安大学 | A kind of anti-air bag device for rolling pedestrian |
| JP2018100037A (en) * | 2016-12-21 | 2018-06-28 | トヨタ自動車株式会社 | Pedestrian protection airbag device |
| CN209938524U (en) * | 2019-06-03 | 2020-01-14 | 江碧青 | Pedestrian safety protection device for vehicle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI562914B (en) * | 2014-05-30 | 2016-12-21 | Jamesyuming Pan | Airbag with multiple layers of cushioning effect |
-
2019
- 2019-06-03 CN CN201910475859.0A patent/CN110091824B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88203142U (en) * | 1988-02-10 | 1988-11-09 | 张贤生 | Safety installations during the collision of vehicles |
| JP2006062590A (en) * | 2004-08-30 | 2006-03-09 | Nippon Plast Co Ltd | Airbag |
| CN101214806A (en) * | 2008-01-22 | 2008-07-09 | 王运韬 | Car safety air sac capable of actively protecting and preventing collision to pedestrian |
| CN101318497A (en) * | 2008-07-07 | 2008-12-10 | 奇瑞汽车股份有限公司 | Passerby protecting equipment |
| CN204161300U (en) * | 2014-10-16 | 2015-02-18 | 慈溪市腾辉汽车零部件有限公司 | To move backward anti-rcc system |
| CN204161301U (en) * | 2014-10-16 | 2015-02-18 | 慈溪市腾辉汽车零部件有限公司 | Reversing automobile safety system |
| CN205468921U (en) * | 2016-03-03 | 2016-08-17 | 燕山大学 | Device that knocks into back is prevented to initiative car |
| JP2018100037A (en) * | 2016-12-21 | 2018-06-28 | トヨタ自動車株式会社 | Pedestrian protection airbag device |
| CN206520581U (en) * | 2016-12-30 | 2017-09-26 | 长安大学 | A kind of anti-air bag device for rolling pedestrian |
| CN209938524U (en) * | 2019-06-03 | 2020-01-14 | 江碧青 | Pedestrian safety protection device for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110091824A (en) | 2019-08-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107089135B (en) | It is equipped with the vehicle of gas tank | |
| US9457762B2 (en) | Active hood front cover for pedestrian protection | |
| CN110091824B (en) | Pedestrian safety protection device for vehicle | |
| CN208855579U (en) | Air bag device and automobile | |
| CN201056189Y (en) | Triggering type vehicle buffering mechanism for crash | |
| CN108622009A (en) | A kind of automobile safety protector | |
| CN105128786A (en) | Initiative anti-collision buffering device for automobile | |
| CN209938524U (en) | Pedestrian safety protection device for vehicle | |
| CN109760621B (en) | Working method of engine hood for protecting pedestrians of intelligent automobile | |
| CN203372173U (en) | Automobile collision-preventing buffering device | |
| CN104791528A (en) | Automobile safety air bag deflation hole automatic pressure control valve | |
| CN201800790U (en) | Ejecting type engine hood system | |
| JP2003285739A (en) | Direct stroke preventing shock absorbing device for railway train | |
| CN204488765U (en) | backpulsing anti-collision buffer device and vehicle | |
| CN110993853A (en) | Electric automobile battery protector | |
| CN111071281A (en) | Anti-climbing energy absorption device for railway vehicle | |
| CN108437920A (en) | A kind of three-level buffer device for collision of automobile | |
| CN208069582U (en) | A kind of three-level buffer device for collision of automobile | |
| CN201694139U (en) | External buffer type safety device for vehicles | |
| CN211494065U (en) | Anti-climbing energy absorption device for railway vehicle | |
| CN210555215U (en) | Mass body | |
| CN204109964U (en) | A kind of automobile external-use first aid air bag device | |
| CN112407062A (en) | Intelligent airbag engine hood for protecting pedestrians and working method thereof | |
| CN201432633Y (en) | Automobile with dual airbags capable of reducing collision loss | |
| CN206544514U (en) | Intelligent folding formula bumper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |