CN205769138U - Efficient gradual stablize energy absorption device - Google Patents
Efficient gradual stablize energy absorption device Download PDFInfo
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- CN205769138U CN205769138U CN201620661015.7U CN201620661015U CN205769138U CN 205769138 U CN205769138 U CN 205769138U CN 201620661015 U CN201620661015 U CN 201620661015U CN 205769138 U CN205769138 U CN 205769138U
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- oil
- bumper
- plate
- absorption device
- energy absorption
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Abstract
The utility model discloses and a kind of efficient gradual stablize energy absorption device, including bumper, it is positioned at the oil pressure energy absorber on rear side of bumper, oil pressure energy absorber includes cylinder body, connector, the hydraulic piston plate that is movably arranged in cylinder body, connector is in transmission connection between bumper and hydraulic piston plate, cylinder body one end is provided with oil-out, and oil pressure energy absorber also includes the gland for switching described oil-out；It is positioned at the air pressure energy absorber on rear side of bumper, the pneumaticpiston plate that air pressure energy absorber includes cylinder block, is movably arranged in cylinder block；When bumper is clashed into, impact force is led to fitting and is passed to hydraulic piston plate, and oil in hydraulic piston plate extrusion oil cylinder body also makes oil push gland open to flow out from oil-out, and oil applies the air in pressure makes pneumaticpiston plate compression cylinder body to pneumaticpiston plate.This device can not only preferably absorb energy, and vibration reduction and cushioning, reduce impact force, improve stability, thus driver and occupant are played a very good protection.
Description
Technical field
This utility model relates to a kind of efficient gradual stablizing energy absorption device, belongs to collision protection field.
Background technology
Along with the development of auto industry and improving constantly of people's living standard, the recoverable amount of China's automobile is
Being continuously increased, but the incidence rate of motor traffic accidents is also increasing year by year, add up according to World Health Organization (WHO), the whole world there are about every year
1300000 people die from road traffic accident.The potential safety hazard of automobile has a strong impact on the person and the property safety of people.Therefore, vehicle
Crashworthiness be increasingly subject to people's attention, how scientific researcher and Automotive designers work out high-performance, peace
Full energy absorption device reliably has had become as a urgent and important problem.
For automobile energy-absorbing device, the most already there is a lot of research.Owing to thin-wall construction has light weight, energy-absorbing
Effective feature, thus be widely applied to very early in the energy absorption device of automobile.And existing energy absorption device great majority
Being that the bumper to automobile is transformed, the section bar such as aluminium, magnesium, as bumper, coordinates thin-wall construction and body frame phase
Connect, although there is certain energy-absorbing effect, but, it is impossible to resist big shock.It addition, produce in automobile collision procedure is huge
Vibration the most easily injures passengers inside the car.Therefore, there is the technical problem of energy-absorbing effect difference in existing energy absorption device, cannot subtract simultaneously
The little vibration clashing into generation.
Utility model content
This utility model provides a kind of efficient gradual stablizes energy absorption device, has good energy-absorbing effect, and can
To buffer impact force, reduce and clash into the vibration produced.This utility model solves its technical problem and be the technical scheme is that
A kind of efficient gradual stablize energy absorption device, including bumper, also include
Being positioned at the oil pressure energy absorber on rear side of bumper, oil pressure energy absorber includes cylinder body, connector, is movably arranged on
Hydraulic piston plate in cylinder body, connector is in transmission connection between bumper and hydraulic piston plate, and cylinder body one end is provided with out
Hydraulic fluid port, oil pressure energy absorber also includes the gland for switching described oil-out；
Being positioned at the air pressure energy absorber on rear side of bumper, air pressure energy absorber includes cylinder block, is movably arranged on cylinder block
Interior pneumaticpiston plate；
When bumper is clashed into, impact force is led to fitting and is passed to hydraulic piston plate, hydraulic piston plate extrusion oil cylinder body
In oil and make oil push open gland from oil-out flow out, afterwards, oil to pneumaticpiston plate apply pressure makes pneumaticpiston plate compress
Air in cylinder block.
Among one preferred embodiment: described connector is taper many born of the same parents light-wall pipe.
Among one preferred embodiment: the cross section of taper many born of the same parents light-wall pipe is three rectangular shaped rim nested together, in
The intersecting point of interbed rectangular shaped rim is connected to the central point in outer layer rectangular shaped rim sideline, and the intersecting point of internal layer rectangular shaped rim is connected to
The central point in rectangular shaped rim sideline, intermediate layer.
Among one preferred embodiment: described bumper rear portion connects has metal derby, connector front end to be provided with metallic plate, metal
Connect between block and metallic plate and have buffer spring.
Among one preferred embodiment: oil pressure energy absorber also includes the pressing plate that oil is movably arranged in cylinder body, pressing plate is even
It is connected on connector rear end, between pressing plate and hydraulic piston plate, is provided with level packing material；Level packing material it is provided with in bumper.
Among one preferred embodiment: described level packing material is aluminum alloy materials in honeycomb texture.
Among one preferred embodiment: described cylinder block in the form of a ring and entangles cylinder body, the axial rearward end wall of cylinder block and pressure
Spring of uncapping it is provided with between lid；Being provided with breach between the axial rearward end wall of cylinder body oil-out and cylinder block, oil is by breach stream
Cylinder block.
Among one preferred embodiment: be provided with restricting element and check valve in cylinder block, restricting element is provided with multiple throttling
Hole, oil promotes pneumaticpiston plate after flowing successively through throttle orifice and check valve.
Among one preferred embodiment: be provided with polylith metal thin-wall catch, pneumaticpiston plate compressed air in described cylinder block
While gradually sliding trackle metal thin-wall catch.
Among one preferred embodiment: cylinder block axial forward end connects plastic cement block.
The technical program is compared with background technology, and it has the advantage that
1., when colliding, in addition to bumper can absorb energy, it is gentle that other energy are transferred to oil pressure energy absorber
Pressure energy absorber, for compressed oil and air, is greatly lowered the impact force of automobile so that automobile can be within the shortest time
Dissipation kinetic energy.This device can not only preferably absorb energy, and vibration reduction and cushioning, reduce impact force, improve stability, thus right
Driver and occupant play a very good protection.
2. connector described in is taper many born of the same parents light-wall pipe, all can show outstanding under axial and oblique multi-state under collision
Energy absorption characteristics, especially more stable under the oblique collision with certain angle, be not susceptible to unstability, energy absorption is higher,
It is more suitable for collision situation actual in life.
3. connect between metal derby and metallic plate and have buffer spring, improve energy-absorbing effect and effectiveness in vibration suppression further.
4. it is provided with the level packing material of honeycomb texture between pressing plate and hydraulic piston plate, in bumper, is provided with honeycomb texture
Level packing material, level packing material can absorb part impact force, and its light weight, and intensity is high, and rigidity is big, with general
Logical foamed aluminium, the packing material such as foam magnesium is compared has more preferable EAC.
5. it is provided with, between axial rearward end wall and the gland of cylinder block, spring of uncapping, improves energy-absorbing effect and vibration damping effect further
Really.
6. promote pneumaticpiston plate after oil flows successively through throttle orifice and check valve, can play when oil is by restricting orifice
The effect of throttling power consumption, check valve prevents hydraulic oil from flowing backwards, and hydraulic oil passes through to form high-pressure injection during check valve simultaneously, helps
In dissipation energy.
7. being provided with polylith metal thin-wall catch in cylinder block described in, while pneumaticpiston plate compressed air, gradually sliding trackle is golden
Belong to thin-walled catch, the most fully impact energy is dissipated.
8. bumper and cylinder block generation rigid contact when plastic cement block prevents from colliding excessively fierce, thus play well
Protective effect.
Accompanying drawing explanation
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Fig. 1 depicts the efficient gradual schematic diagram stablizing energy absorption device.
Fig. 2 depicts the efficient gradual close-up schematic view stablizing energy absorption device.
Fig. 3 depicts the schematic diagram of the efficient gradual level packing material stablizing energy absorption device.
Fig. 4 depicts the end view of the efficient gradual connector stablizing energy absorption device.
Fig. 5 depicts the schematic diagram of the efficient gradual restricting element stablizing energy absorption device.
Detailed description of the invention
Refer to Fig. 1 and Fig. 2, efficient gradual stablize energy absorption device, including bumper 1, be positioned at the oil on rear side of bumper
Press energy absorber, be positioned at the air pressure energy absorber on rear side of bumper.
Oil pressure energy absorber includes cylinder body 14, connector 6, the hydraulic piston plate 9 that is movably arranged in cylinder body, connects
Part 6 is in transmission connection between bumper 1 and hydraulic piston plate 9, and cylinder body 14 one end is provided with oil-out, and oil pressure energy absorber also wraps
Include the gland 11 for switching described oil-out.
The pneumaticpiston plate 16 that air pressure energy absorber includes cylinder block 17, is movably arranged in cylinder block.
When bumper 1 is clashed into, impact force is led to fitting 6 and is passed to hydraulic piston plate 9, and hydraulic piston plate 9 extrudes oil
Oil 10 in cylinder body 14 also makes oil 10 push gland 11 open to flow out from oil-out, and afterwards, oil 10 applies pressure to pneumaticpiston plate 16
Make the air 19 in pneumaticpiston plate 16 compressed gas cylinder body 17.
Described connector 6 is taper many born of the same parents light-wall pipe, uses carbon fibre composite (CFRP) to be made.Connector 6
Sectional dimension be gradually reduced from front to back.Shown in Fig. 4, the cross section of taper many born of the same parents light-wall pipe is three and nests together
Rectangular shaped rim, the intersecting point of intermediate layer rectangular shaped rim is connected to the central point in outer layer rectangular shaped rim sideline, internal layer rectangular shaped rim
Intersecting point be connected between layer central point in rectangular shaped rim sideline.
Described bumper 1 rear portion connects metal derby 3.Connector 6 front end is provided with metallic plate 5, metal derby 3 and metallic plate 5
Between connect have buffer spring 4.On buffer spring 4, spring steel is made.
Oil pressure energy absorber also includes the pressing plate 7 that oil is movably arranged in cylinder body 14, after pressing plate 7 is connected to connector 6
End, is provided with level packing material 8 between pressing plate 7 and hydraulic piston plate 9.Shown in Fig. 3, level packing material 8 is honeycomb knot
The level packing material of structure, preferably aluminum alloy material.Pressing plate 7 and hydraulic piston plate 9 aluminium alloy is made.
Equally, being provided with level packing material 2 in bumper 1, level packing material 2 is that the level of honeycomb texture fills material
Material is identical with level packing material 8.When bumper is clashed into, the level packing material of bumper and Qi Nei is first subjected to pressure
Contracting, then impact force passes to hydraulic piston plate by connector again.
Described cylinder block 17 in the form of a ring and entangles cylinder body 14, is provided with between axial rearward end wall and the gland 11 of cylinder block 17
Uncap spring 12.Being provided with breach between the axial rearward end wall of cylinder body 14 oil-out and cylinder block 17, oil flows to gas by breach
Cylinder body 17.
Being provided with restricting element 13 and check valve 15 in cylinder block 17, shown in Fig. 5, restricting element 13 is provided with multiple joint
Discharge orifice, oil promotes pneumaticpiston plate 16 compressed air 19 after flowing successively through throttle orifice and check valve 15.
Polylith metal thin-wall catch 18 it is provided with, while pneumaticpiston plate 16 compressed air 19 gradually in described cylinder block 17
Sliding trackle metal thin-wall catch 18, consumes the energy of shock further.
Cylinder block 17 axial forward end connects plastic cement block 20.Plastics block 20 is by thermoplastic polyurethane elastic plastics
(TPUEP) make.
The above, only this utility model preferred embodiment, therefore can not limit what this utility model was implemented according to this
Scope, the equivalence change i.e. made according to this utility model the scope of the claims and description and modification, all should still belong to this practicality new
In the range of type contains.
Claims (10)
1. efficient gradual stablize an energy absorption device, including bumper, it is characterised in that: also include
Being positioned at the oil pressure energy absorber on rear side of bumper, oil pressure energy absorber includes cylinder body, connector, is movably arranged on oil cylinder
Internal hydraulic piston plate, connector is in transmission connection between bumper and hydraulic piston plate, and cylinder body one end is provided with oil-out,
Oil pressure energy absorber also includes the gland for switching described oil-out；
Being positioned at the air pressure energy absorber on rear side of bumper, air pressure energy absorber includes cylinder block, is movably arranged in cylinder block
Pneumaticpiston plate；
When bumper is clashed into, impact force is led to fitting and is passed to hydraulic piston plate, in hydraulic piston plate extrusion oil cylinder body
Oil and make oil push open gland from oil-out flow out, afterwards, oil to pneumaticpiston plate apply pressure makes pneumaticpiston plate compression cylinder
Internal air.
One the most according to claim 1 is efficient gradual stablizes energy absorption device, it is characterised in that: described connector is cone
Shape many born of the same parents light-wall pipe.
One the most according to claim 1 is efficient gradual stablizes energy absorption device, it is characterised in that: taper many born of the same parents light-wall pipe
Cross section be three rectangular shaped rim nested together, the intersecting point of intermediate layer rectangular shaped rim is connected to outer layer rectangular shaped rim limit
The central point of line, the intersecting point of internal layer rectangular shaped rim is connected between layer central point in rectangular shaped rim sideline.
One the most according to claim 1 is efficient gradual stablizes energy absorption device, it is characterised in that: described bumper rear portion
Connecting has metal derby, connector front end to be provided with metallic plate, and connecting between metal derby and metallic plate has buffer spring.
One the most according to claim 4 is efficient gradual stablizes energy absorption device, it is characterised in that: oil pressure energy absorber is also
The pressing plate being movably arranged in cylinder body including oil, pressing plate is connected to connector rear end, be provided with between pressing plate and hydraulic piston plate
Level packing material；Level packing material it is provided with in bumper.
One the most according to claim 5 is efficient gradual stablizes energy absorption device, it is characterised in that: described level fills material
Material is aluminum alloy materials in honeycomb texture.
One the most according to claim 1 is efficient gradual stablizes energy absorption device, it is characterised in that: described cylinder block is ring
Shape also entangles cylinder body, is provided with, between axial rearward end wall and the gland of cylinder block, spring of uncapping；Cylinder body oil-out and cylinder block
Axial rearward end wall between be provided with breach, oil flows to cylinder block by breach.
One the most according to claim 1 is efficient gradual stablizes energy absorption device, it is characterised in that: it is provided with joint in cylinder block
Fluid element and check valve, restricting element is provided with multiple throttle orifice, and oil promotes air pressure after flowing successively through throttle orifice and check valve
Piston plate.
One the most according to claim 1 is efficient gradual stablizes energy absorption device, it is characterised in that: set in described cylinder block
There is polylith metal thin-wall catch, gradually sliding trackle metal thin-wall catch while pneumaticpiston plate compressed air.
One the most according to claim 7 is efficient gradual stablizes energy absorption device, it is characterised in that: cylinder block axially before
End connection has plastic cement block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620661015.7U CN205769138U (en) | 2016-06-28 | 2016-06-28 | Efficient gradual stablize energy absorption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620661015.7U CN205769138U (en) | 2016-06-28 | 2016-06-28 | Efficient gradual stablize energy absorption device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205769138U true CN205769138U (en) | 2016-12-07 |
Family
ID=58128829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620661015.7U Active CN205769138U (en) | 2016-06-28 | 2016-06-28 | Efficient gradual stablize energy absorption device |
Country Status (1)
| Country | Link |
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| CN (1) | CN205769138U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106004741A (en) * | 2016-06-28 | 2016-10-12 | 华侨大学 | Efficient progressive stable energy absorption device |
| CN112195760A (en) * | 2020-09-28 | 2021-01-08 | 章其星 | Buffering anti-collision pier |
-
2016
- 2016-06-28 CN CN201620661015.7U patent/CN205769138U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106004741A (en) * | 2016-06-28 | 2016-10-12 | 华侨大学 | Efficient progressive stable energy absorption device |
| CN106004741B (en) * | 2016-06-28 | 2018-08-10 | 华侨大学 | A kind of efficiently gradual stable energy absorption device |
| CN112195760A (en) * | 2020-09-28 | 2021-01-08 | 章其星 | Buffering anti-collision pier |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |