CN110154963A - A kind of multistage anticollision rebounding mechanism and its avoiding collision of bumper - Google Patents
A kind of multistage anticollision rebounding mechanism and its avoiding collision of bumper Download PDFInfo
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- CN110154963A CN110154963A CN201910474067.1A CN201910474067A CN110154963A CN 110154963 A CN110154963 A CN 110154963A CN 201910474067 A CN201910474067 A CN 201910474067A CN 110154963 A CN110154963 A CN 110154963A
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- valve
- anticollision
- piston
- bumper
- billiards
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- 230000007246 mechanism Effects 0.000 title claims abstract description 35
- 238000011084 recovery Methods 0.000 claims abstract description 12
- 230000003449 preventive effect Effects 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 15
- 239000006260 foam Substances 0.000 description 7
- 239000000243 solution Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- B60R19/205—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 inflatable in the direction of an obstacle upon impending impact, e.g. using air bags
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
Abstract
The present invention relates to technical field of vehicle safety, more particularly, to the multistage anticollision rebounding mechanism and its avoiding collision of a kind of bumper, the multistage anticollision rebound recovery device includes preventive anticollision mechanism and anticollision rebounding mechanism, the anticollision rebounding mechanism includes high pressure auxiliary gas cylinder and several air bags, the gas outlet of high pressure auxiliary gas cylinder is provided with solenoid valve, the vehicle frame is provided with carcass ply close to the side of bumper, the carcass ply is equipped with pressure sensor close to the side of bumper, preventive anticollision mechanism includes several anti-billiards and the air supply system for being supplied to all anti-billiards, the air supply system includes air accumulator, the high pressure auxiliary gas cylinder and all anti-billiards are connected to air accumulator, personnel can actively open preventive anticollision mechanism, the safety coefficient of raising personnel, air bag in bumper Power can be distributed on entire bumper and vehicle frame, be reduced to vehicle damage formula mechanically deform power.
Description
Technical field
The present invention relates to technical field of vehicle safety, a kind of multistage anticollision rebounding mechanism more particularly, to bumper and
Its avoiding collision.
Background technique
In existing automotive field, once colliding, bumper will be damaged or hit flat, while rush to personnel
It hitting, automobile only has an air bag, still can be larger to occupant's impact, when colliding very serious, insurance
Thick stick foreboard falls off, and the sharp metal object of opponent vehicle is abnormally dangerous to the safety of personnel, and general interior air bag, is vehicle
Collision come out when pop-up come, no personnel in vehicle when colliding, actively open anticollision dress
It sets, sometimes, personnel are that have enough time to make the behavior saved oneself, but the anticollision that existing vehicle does not have personnel actively to open fills
It sets, so that vehicle, when having a car accident, the safety coefficient of personnel is lower.
Summary of the invention
The purpose of the present invention is to provide the multistage anticollision rebounding mechanisms and its avoiding collision of a kind of bumper, to solve
The technical issues of being mentioned in existing background technique.
A kind of multistage anticollision rebounding mechanism of bumper, includes bumper, the bumper is bolted on
On vehicle frame, the multistage anticollision rebounding mechanism includes preventive anticollision mechanism and anticollision rebounding mechanism, and the anticollision springs back machine
Structure includes high pressure auxiliary gas cylinder and several are separately mounted to the air bag on the inside of the bumper of headstock and the tailstock, and high pressure assists gas
Bottle is connected to all air bags, and the gas outlet of high pressure auxiliary gas cylinder is provided with solenoid valve, and the vehicle frame is set close to the side of bumper
It is equipped with carcass ply, the carcass ply is equipped with pressure sensor close to the side of bumper, if preventive anticollision mechanism includes
Dry is separately mounted to the anti-billiards of headstock and the tailstock and the air supply system for being supplied to all anti-billiards, the gas supply
System includes air accumulator, and the high pressure auxiliary gas cylinder and all anti-billiards are connected to air accumulator.
The air supply system further includes having the compressor being connected to air accumulator, and the compressor transmission is combined with engine,
The gas outlet of the air accumulator is communicated with main pipeline, and all anti-billiards pass through subtube and are connected to main pipeline, the main pipeline
On brake valve is installed, the main pipeline is located between air accumulator and brake valve that there are two branch pipe(tube), the branch pipes for installation
Road is connected to subtube, and manually opened delay valve and electronic control valve are separately installed on two branch pipe(tube)s.
The brake valve includes braking vane, active piston and by piston, active piston and by the piston of piston
Chamber be integrally formed and coaxial line, the active piston include main piston rod, main piston plate and be mounted in plunger shaft first
One end of reset spring, the main piston rod is fixedly connected with the center of main piston plate, the other end and brake of the main piston rod
Sweep interlocks cooperation, and one end of the first back-moving spring is fixedly connected with main piston plate, the first back-moving spring it is another
End is fixedly mounted on the middle section of plunger shaft, described to include passive piston rod, passive piston plate by piston and be mounted on piston
One end of intracavitary second back-moving spring, the passive piston rod is fixedly connected with the center of passive piston plate, the passive work
The other end gearing of stopper rod is combined with the first charging valve, and the first charging valve is mounted on main pipeline, and described second resets bullet
One end of spring is fixedly connected with passive piston plate, and the other end of the second back-moving spring is fixedly mounted on the end of plunger shaft,
The middle section of the plunger shaft and one end of close second back-moving spring are provided with exhaust outlet, are respectively mounted in all exhaust outlets
There is one-way cock.
Preferably, the manually opened delay valve includes relay piston and is mounted on the second of relay piston output end
Charging valve, second charging valve are mounted on branch pipe(tube), and the relay piston includes relay piston plate and supplies respectively
The relay piston shell of relay piston plate sliding, relay piston plate two sides are separately installed with First piston bar and second piston bar, institute
It states second piston bar and the second charging valve and interlocks and cooperate, relay piston shell is equipped with the in one end of the second charging valve
One end of three reset springs, the third reset spring is fixedly connected with relay piston plate, the third reset spring it is another
It holds and is fixedly connected on the inside of one end of the second charging valve with relay piston shell, the relay piston shell is close to the second charge valve
One end of door is equipped with gas vent, is equipped with one-way cock in the gas vent.
Preferably, one-way exhaust valve is installed, the one-way exhaust valve includes valve body and can be on the anti-billiards
The valve block slided in valve body, the valve body are provided with venthole, and the valve block is circular cone, are provided on the conical surface of the valve block
Several airflow holes, several described air-flow axially bored lines are parallel with the axis of venthole.
Preferably, the diameter that the valve body is located at anti-billiards lateral ends is less than valve body and is located at the straight of anti-billiards inner opposite end
Diameter, the valve body are located at the diameter of anti-billiards inner opposite end less than the distance between two airflow holes.
Preferably, the pressure sensor is electrically connected with controller, and the engine, solenoid valve and electronic control valve are equal
It is electrically connected with controller.
Preferably, the avoiding collision of the multistage anticollision rebounding mechanism of a kind of bumper, includes following steps:
It manually boots anticollision mode: when personnel encounter vehicle collision, manually opened delay valve can be opened manually, open branch
Pipeline, the gas in air accumulator inject in anti-billiards from main pipeline to branch pipe(tube) by subtube；
Foot-propelled starts anticollision mode: when personnel encounter vehicle collision, foot steps on braking vane, by active piston and passively living
Plug opens the first charging valve, opens main pipeline, and the gas in air accumulator injects in anti-billiards from main pipeline by subtube；
Passive anticollision mode: when pressure sensor detects that pressure can transmit high level signal to controller, controller control electricity
Magnet valve is opened, so that the gas in high pressure auxiliary gas cylinder enters in air bag, air bag starts to expand, and springs back recovery from by bumper
Preceding shape, when air bag bumper is hit rotten, air bag struts completely, blocks vehicle, while controller opens electronic control valve, opens
Branch pipe(tube), the gas in air accumulator inject in anti-billiards from main pipeline to branch pipe(tube) by subtube.
Compared with prior art, the beneficial effects of the present invention are:
First, personnel can actively open preventive anticollision mechanism, preventive anticollision mechanism can also be automatically turned on, so that in urgency
Can discharge or pop up anti-billiards in car front and back when brake, by anti-billiards with collided between formed and be isolated
Body, so that protective is formed, it is independent to be connect with the bumper on vehicle frame, improve the safety coefficient of personnel.
Second, it is of the invention, air bag is equipped in plastic bumper, so that bumper has elasticity and protection, with vehicle pair
When hitting, power can be distributed on entire bumper and vehicle frame by the air bag in bumper, rather than concentrate on some point, be subtracted
Less to vehicle damage formula mechanically deform power, so that the safety of occupant is protected, it is independent to be connect with the bumper on vehicle frame, increase
Add stiffness.
Third, of the invention, when colliding very serious, bumper foreboard falls off, and pop-up air bag carries out large area guarantor
On the one hand shield can weaken the power that collision generates, while widened protection face, it is possible to reduce the sharp metal object of opponent vehicle.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is scheme of installation of the air bag of the present invention on vehicle；
Fig. 2 is anticollision rebounding mechanism Standard schematic diagram of the present invention；
Fig. 3 is the structural schematic diagram of bumper and vehicle frame separated position in anticollision rebounding mechanism of the present invention；
Fig. 4 is the structural schematic diagram of bumper and vehicle frame merging phase in anticollision rebounding mechanism of the present invention；
Fig. 5 is the structural schematic diagram of air bag pop-up protection in anticollision rebounding mechanism of the present invention；
Fig. 6 is the schematic diagram of the anti-billiards air bag inflation of the present invention；
Fig. 7 is the distracted schematic diagram of air bag of the present invention；
Fig. 8 is system block diagram of the invention；
Fig. 9 is air bag of the present invention distracted schematic diagram on vehicle；
Figure 10 is the rigging position schematic diagram of the present invention multistage anticollision rebounding mechanism and vehicle；
Figure 11 is the structural schematic diagram of the multistage anticollision rebounding mechanism of the present invention；
Figure 12 is the structural schematic diagram of the manually opened delay valve of the present invention；
Figure 13 is the structural schematic diagram of present invention brake valve；
Figure 14 is the anti-billiards of the present invention and one-way exhaust valve assembling schematic diagram；
Figure 15 is the assembling schematic diagram of one-way exhaust valve of the present invention；
Figure 16 is the anti-billiards of the present invention and Frame Assembling schematic diagram；
Appended drawing reference:
Bumper 1, bolt 11, air bag 2, cold steam exhaust-gas head 21, inflating port 22, solenoid valve 3, high pressure assist gas cylinder 4, connect rubber
Belt 5, carcass ply 6 thermally expand foam 7, pressure sensor 8, air supply system 9, air accumulator 91, compressor 92, engine 93, master
Pipeline 94, subtube 95, branch pipe(tube) 96, manually opened delay valve 10, the second charging valve 101, First piston bar 102, the
Two piston rods 103, third reset spring 104, relay piston shell 105, relay piston plate 106, brake valve 12, braking vane 121,
Main piston plate 122, main piston rod 123, first back-moving spring 124, passive piston rod 125, passive piston plate 126, second resets
Spring 127, the first charging valve 128, exhaust outlet 129, anti-billiards 13, one-way exhaust valve 14, valve body 141, valve block 142, ventilation
Hole 143, airflow hole 144, electronic control valve 15, one-way cock 16, avoid holes 17, be hit support frame 18, tension spring 19.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.
The component for the embodiment of the present invention for usually describing and showing in attached drawing here can be with a variety of different configurations
To arrange and design.Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below and is wanted
The scope of the present invention of protection is sought, but is merely representative of selected embodiment of the invention.
Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In conjunction with shown in Fig. 1 to Figure 16, the embodiment of the invention provides a kind of multistage anticollision rebounding mechanism of bumper, packets
Bumper 1 is included, the bumper 1 is fixed on vehicle frame by bolt 11, and the multistage anticollision rebounding mechanism includes prevention
Formula anticollision mechanism and anticollision rebounding mechanism, the anticollision rebounding mechanism includes high pressure auxiliary gas cylinder 4 and several are installed respectively
Air bag 2 in 1 inside of bumper of headstock and the tailstock, high pressure auxiliary gas cylinder 4 are connected to all air bags 2, and high pressure assists gas cylinder 4
Gas outlet is provided with solenoid valve 3, and the vehicle frame is provided with carcass ply 6 close to the side of bumper 1, and the carcass ply 6 is close to guarantor
The side of dangerous thick stick 1 is equipped with pressure sensor 8, and preventive anticollision mechanism includes that several are separately mounted to headstock and the tailstock
Anti- billiards 13 and air supply system 9 for being supplied to all anti-billiards 13, the air supply system 9 includes air accumulator 91,
The high pressure auxiliary gas cylinder 4 and all anti-billiards 13 are connected to air accumulator 91,
When personnel encounter vehicle collision, air supply system 9 can be opened manually, and the gas in air accumulator 91 is from main pipeline 94 to branch
Pipeline 96 injects in anti-billiards 13 by subtube 95；
The bottom end of the bumper 1 is equipped with connection rubber belt 5, and the other end of the connection rubber belt 5 is fixed on vehicle frame, when
Pressure sensor 8 detects that pressure can transmit high level signal X1 to controller, and controller handles high level signal X2
And high level signal Y1 is exported to solenoid valve 3, solenoid valve 3 is opened, so that the gas in high pressure auxiliary gas cylinder 4 enters in air bag 2,
Air bag 2 starts to expand, and bumper 1 is strutted and continued air inlet, air bag 2 by the shape before restoring the rebound of bumper 1, air bag 2
Interior thermal expansion foam 7 expands, and air bag 2 is strutted completely, vehicle is blocked, and realizes the protection to vehicle and personnel, works as insurance
Thick stick 1 and vehicle frame separate, and connection rubber belt 5 connects bumper 1 and vehicle frame, so that the bottom of bumper 1 will not be divided completely with vehicle frame
It opens, to can keep off in face of vehicle toward vertical spread when air bag 2 is inflated, air bag 2 can be the air bag on automobile
2, the high cloth of air-tightness, air bag 2 mainly in automobile impacting, can prevent to puncture air bag 2 or the inner tube of a tyre caused by gas leakage
Shielding failure.
The air supply system 9 further includes having the compressor 92 being connected to air accumulator 91, and the transmission of compressor 92 is combined with
Engine 93, the gas outlet of the air accumulator 91 are communicated with main pipeline 94, and all anti-billiards 13 pass through subtube 95 and supervisor
Road 94 is connected to, and brake valve 12 is equipped on the main pipeline 94, and the main pipeline 94 is located at air accumulator 91 and brake valve 12
Between installation there are two branch pipe(tube) 96, the branch pipe(tube) 96 is connected to subtube 95, is separately installed on two branch pipe(tube)s 96
Manually opened delay valve 10 and electronic control valve 15 can open manually opened prolong when personnel encounter vehicle collision manually
Slow valve 10 opens branch pipe(tube) 96, and the gas in air accumulator 91 is injected from main pipeline 94 to branch pipe(tube) 96 by subtube 95
In anti-billiards 13；
When pressure sensor 8 detects that pressure can transmit high level signal to controller, controller controls solenoid valve 3 and opens, makes
The gas obtained in high pressure auxiliary gas cylinder 4 enters in air bag 2, and air bag 2 starts to expand, the shape before restoring the rebound of bumper 1,
When 2 bumper 1 of air bag is hit rotten, air bag 2 struts completely, blocks vehicle, while controller opens electronic control valve 15, opens branch
Pipeline 96, the gas in air accumulator 91 inject in anti-billiards 13 from main pipeline 94 to branch pipe(tube) 96 by subtube 95.
The brake valve 12 includes braking vane 121, active piston and by piston, active piston and by piston
Plunger shaft is integrally formed and coaxial line, the active piston include main piston rod 123, main piston plate 122 and be mounted on piston
One end of intracavitary first back-moving spring 124, the main piston rod 123 is fixedly connected with the center of main piston plate 122, the master
The other end and braking vane 121 of piston rod 123, which interlock, to be cooperated, and one end of the first back-moving spring 124 and main piston plate 122 are solid
Fixed connection, the other end of the first back-moving spring 124 are fixedly mounted on the middle section of plunger shaft, it is described by piston include by
Piston bar 125, passive piston plate 126 and the second back-moving spring 127 being mounted in plunger shaft, the passive piston rod 125
One end be fixedly connected with the center of passive piston plate 126, the gearing of the other end of the passive piston rod 125 is combined with first and fills
Air valve 128, the first charging valve 128 are mounted on main pipeline 94, one end of the second back-moving spring 127 with by piston
Plate 126 is fixedly connected, and the other end of the second back-moving spring 127 is fixedly mounted on the end of plunger shaft, the plunger shaft
Middle section and one end of close second back-moving spring 127 are provided with exhaust outlet 129, are mounted in all exhaust outlets 129
One-way cock 16, when this brake valve 12 is to bring to a halt, braking vane 121 is quickly pressed.Push main piston plate 122 to
Passive piston direction movement, carrys out not anxious Quick air-discharge, the passive piston plate 126 of lower section is transported towards the first charging valve 128 at this time
It is dynamic, the first charging valve 128 is quickly opened, the gas in air accumulator 91 initially enters in anti-billiards 13, anti-billiards 13 is strutted,
Under the action of one-way cock 16, it cannot be rapidly restored and keep 128 opening state of the first charging valve, the first charging valve
128 can realize continuous charge to sphere.Until restoring to close valve.
The manually opened delay valve 10 includes relay piston and the second inflation for being mounted on relay piston output end
Valve 101, second charging valve 101 are mounted on branch pipe(tube) 96, and the relay piston includes 106 He of relay piston plate
The relay piston shell 105 slided respectively for relay piston plate 106,106 two sides of relay piston plate are separately installed with First piston bar
102 and second piston bar 103, the second piston bar 103 and the second charging valve 101 interlock and cooperate, and relay piston shell 105 leans on
Third reset spring 104 is installed in one end of nearly second charging valve 101, one end of the third reset spring 104 with from
Piston plate 106 is fixedly connected, and the other end and relay piston shell 105 of the third reset spring 104 are close to the second charge valve
It is fixedly connected on the inside of one end of door 101, the relay piston shell 105 is equipped with exhaust close to one end of the second charging valve 101
Hole is equipped with one-way cock 16 in the gas vent, and First piston bar 102 is quickly pressed.Push relay piston plate 106 to the
The movement of two second piston bars, 103 direction, carrys out not anxious Quick air-discharge at this time, and second piston bar 103 quickly opens the second charging valve
101, the gas in air accumulator 91 initially enters in anti-billiards 13, anti-billiards 13 is strutted, under the action of one-way cock 16, no
It can be rapidly restored and keep 101 opening state of the second charging valve, the second charging valve 101 can continuously fill sphere realization
Gas, until restoring to close the second charging valve 101.
One-way exhaust valve 14 is installed, the one-way exhaust valve 14 includes valve body 141 and can on the anti-billiards 13
The valve block 142 slided in valve body 141, the valve body 141 are provided with venthole 143, and the valve block 142 is circular cone, described
Several airflow holes 144, the axis of several airflow hole 144 axis and venthole 143 are provided on the conical surface of valve block 142
In parallel, when anti-13 outlet of billiards, air-flow is discharged by venthole 143 and airflow hole 144.
The diameter that the valve body 141 is located at anti-13 lateral ends of billiards is less than valve body 141 and is located at anti-13 inner opposite end of billiards
Diameter, the valve body 141 is located at the diameter of anti-13 inner opposite end of billiards less than the distance between two airflow holes 144, works as valve
It when block 142 contradicts the inner opposite end of valve body 141, is blocked in airflow hole 144, then the gas in outside enters less than valve body 141
It is interior.
The bumper 1 is provided with the avoid holes 17 that can be gone out for anti-billiards 13, is provided with the support that is hit on vehicle frame
Frame 18, anti-billiards 13 are withdrawn in bumper 1 by the income of tension spring 19.
The pressure sensor 8 is electrically connected with controller, and the engine 93, solenoid valve 3 and electronic control valve 15 are equal
It is electrically connected with controller, the model prior art of the controller, and will not be described here in detail.
A kind of avoiding collision of the multistage anticollision rebounding mechanism of bumper, includes following steps:
It manually boots anticollision mode: when personnel encounter vehicle collision, manually opened delay valve 10 can be opened manually, open
Branch pipe(tube) 96, the gas in air accumulator 91 inject in anti-billiards 13 from main pipeline 94 to branch pipe(tube) 96 by subtube 95；
Foot-propelled starts anticollision mode: when personnel encounter vehicle collision, foot steps on braking vane 121, by active piston and passively
Piston opens the first charging valve 128, opens main pipeline 94, and the gas in air accumulator 91 passes through subtube 95 from main pipeline 94
It injects in anti-billiards 13；
Passive anticollision mode: when pressure sensor 8 detects that pressure can transmit high level signal to controller, controller control electricity
Magnet valve 3 is opened, so that the gas in high pressure auxiliary gas cylinder 4 enters in air bag 2, air bag 2 starts to expand, and springs back from by bumper 1
Shape before recovery, when 2 bumper 1 of air bag is hit rotten, air bag 2 struts completely, blocks vehicle, while controller opens electronics control
Valve 15 processed opens branch pipe(tube) 96, and the gas in air accumulator 91 is from main pipeline 94 to branch pipe(tube) 96, anti-by the injection of subtube 95
In billiards 13.
The inflating port 22 of the air bag 2 is arranged on bumper 1, and the inside of the bumper 1 and air bag 2 are bonded in one
It rises, filled with thermal expansion foam 7 in the air bag 2, the gas outlet of the high pressure auxiliary gas cylinder 4 is filled by hose and air bag 2
Port 22 is connected to, and the hose is close to 4 one end of the gas cylinder setting of high pressure auxiliary and electric heating wire, to the sky that will enter in air bag 2
Gas is heated, and hot steam enters in air bag 2, thermally expands 7 expanded by heating of foam, thermally expands foam 7 and air makes air bag 2 fast
Speed struts, and inside and the air bag 2 of the bumper 1 are bonded together, and 1 inner cavity of bumper is to be construed as protection air bag 2
Reinforce cover tire effect, is structure as a whole because air bag 2 and insurance are shouldered, after inflation, 1 plastics of bumper or thin metal
Uniform force is sprung back after elasticity or shock.
Cold steam exhaust-gas head 21 is also equipped on the air bag 2, the inflating port 22 and high pressure of the air bag 2 assist gas cylinder 4
Gas outlet connection, the hot steam enters in air bag 2, and the cold air in air bag 2 is discharged from cold steam exhaust-gas head 21, and heat is swollen
7 expanded by heating of puff foam, thermally expands foam 7 and air struts air bag 2 rapidly.
The carcass ply 6 is rubber layer, and air bag 2 is daily will not be worn by pricking object in bumper 1 for protection.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (8)
- It include bumper (1), the bumper (1) passes through spiral shell 1. a kind of multistage anticollision of bumper springs back recovery device Bolt (11) is fixed on vehicle frame, which is characterized in that it is described multistage anticollision rebound recovery device include preventive anticollision mechanism and Anticollision rebounding mechanism, the anticollision rebounding mechanism includes high pressure auxiliary gas cylinder (4) and several are separately mounted to headstock and vehicle Air bag (2) on the inside of the bumper (1) of tail, high pressure auxiliary gas cylinder (4) are connected to all air bags (2), and high pressure assists gas cylinder (4) Gas outlet is provided with solenoid valve (3), and the vehicle frame is provided with carcass ply (6), the carcass ply close to the side of bumper (1) (6) side close to bumper (1) is equipped with pressure sensor (8), and preventive anticollision mechanism includes that several are installed respectively In the anti-billiards (13) of headstock and the tailstock and air supply system (9) for being supplied to all anti-billiards (13), the gas supply System (9) includes air accumulator (91), and high pressure auxiliary gas cylinder (4) and all anti-billiards (13) connect with air accumulator (91) It is logical.
- 2. a kind of multistage anticollision of bumper according to claim 1 springs back recovery device, which is characterized in that the confession Gas system (9) further includes having the compressor (92) being connected to air accumulator (91), and compressor (92) transmission is combined with engine (93), the gas outlet of the air accumulator (91) is communicated with main pipeline (94), all anti-billiards (13) by subtube (95) with Main pipeline (94) is connected to, and brake valve (12) is equipped on the main pipeline (94), and the main pipeline (94) is located at air accumulator (91) there are two branch pipe(tube) (96), the branch pipe(tube) (96) to be connected to subtube (95) for installation between brake valve (12), Manually opened delay valve (10) and electronic control valve (15) are separately installed on two branch pipe(tube)s (96).
- 3. a kind of multistage anticollision of bumper according to claim 2 springs back recovery device, which is characterized in that the brake Vehicle valve (12) include braking vane (121), active piston and by piston, active piston and by piston plunger shaft one It forms and coaxial line, the active piston includes main piston rod (123), main piston plate (122) and be mounted in plunger shaft One end of first back-moving spring (124), the main piston rod (123) is fixedly connected with the center of main piston plate (122), the master The other end of piston rod (123) and braking vane (121), which interlock, to be cooperated, one end of the first back-moving spring (124) and main piston Plate (122) is fixedly connected, and the other end of the first back-moving spring (124) is fixedly mounted on the middle section of plunger shaft, described passive Piston includes passive piston rod (125), passive piston plate (126) and the second back-moving spring (127) being mounted in plunger shaft, One end of the passive piston rod (125) is fixedly connected with the center of passive piston plate (126), the passive piston rod (125) The other end gearing be combined with the first charging valve (128), the first charging valve (128) is mounted on main pipeline (94), described One end of second back-moving spring (127) is fixedly connected with passive piston plate (126), the second back-moving spring (127) it is another End is fixedly mounted on the end of plunger shaft, the middle section of the plunger shaft and is respectively provided with close to the one end of second back-moving spring (127) Have exhaust outlet (129), is mounted on one-way cock (16) in all exhaust outlets (129).
- 4. a kind of multistage anticollision of bumper according to claim 2 springs back recovery device, which is characterized in that the hand Dynamic unlatching delay valve (10) includes relay piston and the second charging valve (101) for being mounted on relay piston output end, institute It states the second charging valve (101) to be mounted on branch pipe(tube) (96), the relay piston includes relay piston plate (106) and difference For the relay piston shell (105) of relay piston plate (106) sliding, relay piston plate (106) two sides are separately installed with first piston Bar (102) and second piston bar (103), the second piston bar (103) and the second charging valve (101) interlock and cooperate, driven Piston shell (105) is equipped with third reset spring (104) in the one end of the second charging valve (101), and the third resets One end of spring (104) is fixedly connected with relay piston plate (106), the other end of the third reset spring (104) with it is driven Piston shell (105) is fixedly connected on the inside of the one end of the second charging valve (101), and the relay piston shell (105) is close to the One end of two charging valves (101) is equipped with gas vent, and one-way cock (16) are equipped in the gas vent.
- 5. a kind of multistage anticollision of bumper according to claim 4 springs back recovery device, which is characterized in that described anti- It is equipped on billiards (13) one-way exhaust valve (14), the one-way exhaust valve (14) includes valve body (141) and can be in valve body (141) valve block (142) slided in, the valve body (141) are provided with venthole (143), and the valve block (142) is circular cone, Several airflow holes (144), several described airflow hole (144) axis and ventilation are provided on the conical surface of the valve block (142) The axis in hole (143) is parallel.
- 6. a kind of multistage anticollision of bumper according to claim 5 springs back recovery device, which is characterized in that the valve The diameter that body (141) is located at anti-billiards (13) lateral ends is less than the diameter that valve body (141) are located at anti-billiards (13) inner opposite end, The valve body (141) is located at the distance between less than two airflow holes (144) of diameter of anti-billiards (13) inner opposite end.
- 7. a kind of multistage anticollision of bumper according to claim 6 springs back recovery device, which is characterized in that the pressure Force snesor (8) is electrically connected with controller, the engine (93), solenoid valve (3) and electronic control valve (15) with control Device is electrically connected.
- 8. a kind of avoiding collision of the multistage anticollision rebound recovery device of bumper according to claims 1 to 7, special Sign is, includes following steps:It manually boots anticollision mode: when personnel encounter vehicle collision, manually opened delay valve (10) can be opened manually, beaten It pays wages pipeline (96), the gas in air accumulator (91) is injected from main pipeline (94) to branch pipe(tube) (96) by subtube (95) In anti-billiards (13)；Foot-propelled start anticollision mode: when personnel encounter vehicle collision, foot steps on braking vane (121), by active piston and by Piston is opened the first charging valve (128), is opened main pipeline (94), and the gas in air accumulator (91) is passed through from main pipeline (94) Subtube (95) are crossed to inject in anti-billiards (13)；Passive anticollision mode: when pressure sensor (8) detects that pressure can transmit high level signal to controller, controller control Solenoid valve (3) is opened, so that the gas in high pressure auxiliary gas cylinder (4) enters in air bag (2), air bag (2) starts to expand, from will protect Shape before the rebound of dangerous thick stick (1) restores, when air bag (2) bumper (1) is hit rotten, air bag (2) struts completely, blocks vehicle, together When controller open electronic control valve (15), open branch pipe(tube) (96), the gas in air accumulator (91) is from main pipeline (94) to propping up Pipeline (96) injects in anti-billiards (13) by subtube (95).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910474067.1A CN110154963A (en) | 2019-06-02 | 2019-06-02 | A kind of multistage anticollision rebounding mechanism and its avoiding collision of bumper |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910474067.1A CN110154963A (en) | 2019-06-02 | 2019-06-02 | A kind of multistage anticollision rebounding mechanism and its avoiding collision of bumper |
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| CN110154963A true CN110154963A (en) | 2019-08-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111098976A (en) * | 2020-03-02 | 2020-05-05 | 济南大学 | Unmanned ship sensor air bag protection device |
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2019
- 2019-06-02 CN CN201910474067.1A patent/CN110154963A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111098976A (en) * | 2020-03-02 | 2020-05-05 | 济南大学 | Unmanned ship sensor air bag protection device |
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