CN203805826U - Front and back synchronously-energy-absorbing device for car crash relief - Google Patents
Front and back synchronously-energy-absorbing device for car crash relief Download PDFInfo
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- CN203805826U CN203805826U CN201420202124.3U CN201420202124U CN203805826U CN 203805826 U CN203805826 U CN 203805826U CN 201420202124 U CN201420202124 U CN 201420202124U CN 203805826 U CN203805826 U CN 203805826U
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- bumper
- energy
- absorption box
- cross member
- energy absorption
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Abstract
The utility model relates to a front and back synchronously-energy-absorbing device for car crash relief. The device comprises a front bumper, a rear bumper and two push rods, wherein the front bumper and the rear bumper are identical in structure and arranged symmetrically, the two push rods are used for transmitting striking force from the front bumper and the rear bumper, the front bumper and the rear bumper respectively comprise a front bumper beam, a rear beam and two front beam and rear beam connecting pieces, the two ends of each front bumper beam and the two ends of the corresponding rear beam are welded together through the front beam and rear beam connecting pieces respectively, two energy absorption boxes and two energy absorption box connecting frames used for enabling the two energy absorption boxes to be connected are arranged between each front bumper beam and the corresponding rear beam, the energy absorption boxes are fixed to the rear beams, and every two energy absorption box connecting frames and the corresponding front bumper beam are welded together; the two push rods are arranged between the front bumper and the rear bumper in parallel, the two ends of each push rod penetrate through the rear beam of the front bumper and the rear beam of the rear bumper respectively, and the two ends of each push rod are connected with the energy absorption boxes of the front bumper and the energy absorption boxes of the rear bumper respectively. The front and back synchronously-energy-absorbing device for car crash relief is simple in structure, and when head-on collision and rear-end collision occur, a car can absorb more energy so that the safety of passengers in the car can be guaranteed.
Description
Technical field
The utility model relates to automotive safety technology, is specifically related to the synchronous energy absorption device in a kind of auto against front and back.
Background technology
Along with the continuous increase of development and the automobile pollution of automotive technology, people increase day by day to the requirement of vehicle safety performance.In people's car accident, the meetings such as pedestrian's lower limb bump with bumper/spoiler, thereby cause shank to shear injury, though the not fatal quality of life that has a strong impact on; In car car accident, bumper/spoiler, as the parts that contact with external object at first, has been born part impact energy, especially impacts the buffer action of crest.Therefore the impact energy absorb effect that improves Federal bumper, will play an important role for improving automotive crash safety and pedestrian protecting.Before and after orthodox car, energy absorption device is separate, and when head-on crash occurring respectively and knock into the back, the independent energy-absorbing of energy absorption device before and after automobile, absorbs finite energy.In order to solve the problems such as energy absorption is little, some energy absorption devices improve structure and material and change on original basis, make structure more complicated, manufacture more difficultly, and cost is more expensive.Some energy absorption device is with automatically controlled or hydraulic control automatic telescopic, but the space taking is relatively large, complex structure, and cost is relatively high.
Utility model content
The purpose of this utility model is to provide synchronous energy absorption device before and after a kind of auto against, and being intended to solve the separate front and back energy absorption device of orthodox car is independent energy-absorbing, absorb energy little and can not realize before and after the problem of the synchronous energy-absorbing of energy absorption device.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A synchronous energy absorption device before and after auto against, its special character is: comprise front bumper, identical with front bumper arrangement and symmetrically arranged rear bumper, and for transmitting two push rods from the impact force of front bumper and rear bumper; Described front bumper and rear bumper include front buffer beam, after cross member and two front and rear beam attaching partss; The two ends of described front buffer beam and after cross member are respectively by front and rear beam attaching parts weld together, two of spatial placements between front buffer beam and after cross member are fixed on energy-absorption box on after cross member and two for connecting the energy-absorption box link span of energy-absorption box, and energy-absorption box link span and front buffer beam are welded as a whole; Described two push rods are set in parallel between front bumper and rear bumper, and the two ends of push rod are arranged in the after cross member of forward and backward bumper/spoiler, and the two ends of push rod are connected with the energy-absorption box of forward and backward bumper/spoiler respectively.
Further, the internal welding of described energy-absorption box is connected to a pushing block, and the pushing block welding in the rear and front end of push rod and the energy-absorption box of forward and backward bumper/spoiler forms one.
Further, between two after cross members of described front bumper and rear bumper, be provided with many strut bars, the two ends of strut bar are integrated with the rear cross beam welding of forward and backward bumper/spoiler respectively.
Further, on described energy-absorption box link span, be provided with two brace panels together with rear cross beam welding.
Further, described front buffer beam is double layer hollow Curved beam, and front buffer beam is by two identical arc component welding, to be formed the Curved beam of hollow.
Further, described after cross member is rectangular hollow straight beam.
Further, described push rod is the square pole of hollow.
Further, described strut bar is the square straight-bar of hollow.
Synchronous energy absorption device before and after auto against that the utility model provides, can solve the separate front and back energy absorption device of orthodox car is independent energy-absorbing, absorb energy little and can not realize before and after the problem of the synchronous energy-absorbing of energy absorption device.The utility model is not increasing on the basis in front/rear collision bumper space, without the absorption of carrying out material improvement and can realize more collision energies, the utility model is simple in structure, manufacture simple, front and back energy absorption device is formed to an integral energy-absorbing device, head-on crash is occurring respectively and while knocking into the back, automobile can the more energy of the general automobile of absorptance, and then guarantees passenger's safety.The utility model can be used for whole automobile to replace front/rear collision bumper, also can be used in the multistage endergonic structure and other structures that needs energy-absorbing of automobile.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is front schematic view of the present utility model;
Fig. 3 is the side-looking structural representation of Fig. 2;
Fig. 4 is A place enlarged diagram in Fig. 2;
Fig. 5 is the sectional structure schematic diagram of energy-absorption box 7 in the utility model;
Wherein, 1, bumper/spoiler, 2, rear bumper, 3, push rod, 4, front buffer beam, 5, after cross member, 6, front and rear beam attaching parts, 7, energy-absorption box, 8, energy-absorption box link span, 9, pushing block, 10, strut bar, 11, brace panel.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with embodiment, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 show synchronous energy absorption device before and after the auto against that the utility model provides structure.For convenience of explanation, only show the part relevant to the utility model.
Before and after auto against of the present utility model, synchronous energy absorption device, comprises front bumper 1, identical with front bumper 1 structure and symmetrically arranged rear bumper 2, and for transmitting two push rods 3 from the impact force of front bumper 1 and rear bumper 2; Front bumper 1 and rear bumper 2 include front buffer beam 4, after cross member 5 and two front and rear beam attaching partss 6; The two ends of front buffer beam 4 and after cross member 5 are respectively by front and rear beam attaching parts 6 weld togethers, two of spatial placements between front buffer beam 4 and after cross member 5 are fixed on energy-absorption box 7 on after cross member 5 and two for connecting the energy-absorption box link span 8 of energy-absorption box 7, and energy-absorption box link span 8 is welded as a whole with front buffer beam 4; Two push rods 3 are set in parallel between front bumper 1 and rear bumper 2, and the two ends of push rod 3 are arranged in the after cross member 5 of forward and backward bumper/spoiler, and the two ends of push rod 3 are connected with the energy-absorption box 7 of forward and backward bumper/spoiler respectively.
As a prioritization scheme of the utility model embodiment, the internal welding of energy-absorption box 7 is connected to a pushing block 9, and pushing block 9 welding in the rear and front end of push rod 3 and the energy-absorption box of forward and backward bumper/spoiler form one.
As a prioritization scheme of the utility model embodiment, between two after cross members of front bumper 1 and rear bumper 2, be provided with many strut bars 10, the two ends of strut bar 10 are integrated with the rear cross beam welding of forward and backward bumper/spoiler respectively.
As a prioritization scheme of the utility model embodiment, on energy-absorption box link span 8, be provided with two brace panels 11 with after cross member 5 weld togethers.
As a prioritization scheme of the utility model embodiment, front buffer beam 4 is double layer hollow Curved beam, and front buffer beam 4 is by two parts welding, to be formed the Curved beam of hollow.
As a prioritization scheme of the utility model embodiment, after cross member 5 is rectangular hollow straight beam.
As a prioritization scheme of the utility model embodiment, push rod 3 is square poles of hollow.
As a prioritization scheme of the utility model embodiment, strut bar 10 is square straight-bars of hollow.
Below in conjunction with drawings and the specific embodiments, application principle of the present utility model is further described.
As Figure 1-Figure 5, synchronous energy absorption device before and after the auto against of the utility model embodiment, comprise front bumper 1, identical with front bumper 1 structure and symmetrically arranged rear bumper 2, and for transmitting two push rods 3 from the impact force of front bumper 1 and rear bumper 2; Front bumper 1 and rear bumper 2 include front buffer beam 4, after cross member 5 and two front and rear beam attaching partss 6; The two ends of front buffer beam 4 and after cross member 5 are respectively by front and rear beam attaching parts 6 weld togethers, two of spatial placements between front buffer beam 4 and after cross member 5 are fixed on energy-absorption box 7 on after cross member 5 and two for connecting the energy-absorption box link span 8 of energy-absorption box 7, and energy-absorption box link span 8 is welded as a whole with front buffer beam 4; Two push rods 3 are set in parallel between front bumper 1 and rear bumper 2, and the two ends of push rod 3 are arranged in the after cross member 5 of forward and backward bumper/spoiler, and the two ends of push rod 3 are connected with an energy-absorption box 7 of forward and backward bumper/spoiler respectively.
The inside of the energy-absorption box 7 of forward and backward bumper/spoiler is respectively welded with a pushing block 9, for convenience of description, we are referred to as front energy-absorption box by the energy-absorption box of front bumper, the energy-absorption box of rear bumper is referred to as to rear energy-absorption box, and the pushing block correspondence of front energy-absorption box, inner each welding of rear energy-absorption box is referred to as front pushing block, rear pushing block.Forward and backward pushing block welding in two push rod 3 equal rear and front ends and forward and backward energy-absorption box forms one.The internal welding of the energy-absorption box 7 of forward and backward bumper/spoiler is connected to a pushing block 9, energy-absorption box 7 can better be out of shape in conquassation, energy-absorption box 7 is to be connected on after cross member 5 by two halves corrugated foils, in forward and backward energy-absorption box 7, respectively there is a place to surrounding projection, be convenient to its interior welds pushing block, in actual fabrication, raised position and shape also can be different, in order to applicable different occasion.Pushing block 9 cross-sectional areas are less than respectively the cross-sectional area of the bossing inner space of energy-absorption box 7, are convenient to pushing block to be welded on wherein, and the pushing block in forward and backward energy-absorption box welds with push rod 3 respectively, and then realize the transmission of front and back energy.
Between two after cross members of front bumper 1 and rear bumper 2, be provided with many strut bars 10, the two ends of strut bar 10 are integrated with the rear cross beam welding of forward and backward bumper/spoiler respectively, can be good at maintaining the stable of whole device; .
On energy-absorption box link span 8, be provided with two brace panels 11 with after cross member 5 weld togethers.Brace panel 11 is connected between energy-absorption box and energy-absorption box link span 8, and the effect of supporting before and after playing makes the better conquassation distortion of energy-absorption box 7.
Front buffer beam 4 is double layer hollow Curved beam, and front buffer beam 4 is by two parts welding, to be formed the Curved beam of hollow, can contact at first object and absorb part energy in collision.
After cross member 5 is rectangular hollow straight beam, and two square openings that have above of after cross member 5 are convenient to push rod and are passed, and the two ends of after cross member 5 are respectively by two front and rear beam attaching partss 6 and front buffer beam 4 two ends weld togethers.
Push rod 3 is square poles of hollow, and cross-sectional area is suitable, is convenient to respectively after cross member 5 square openings through forward and backward bumper/spoiler, and penetrate in energy-absorption box 7 and with pushing block 9 welding, energy before and after being convenient to transmit.
Strut bar 10 is square straight-bars of hollow, can have many, and for front bumper 1 and rear bumper 2 symmetrical before and after supporting, weld respectively on the after cross member of front bumper 1 and the after cross member of rear bumper 2 at the two ends of strut bar 10.
Synchronous energy absorption device before and after auto against of the present utility model, during use, only this device need be arranged on to automobile front/rear collision bumper position, when automobile generation central collision, the first contact-impact object of front buffer beam of front bumper 1 produces distortion energy-absorbing, front buffer beam is deformed to a certain degree and by energy-absorption box before the 8 transmission of pressure compressions of energy-absorption box link span, is out of shape afterwards, after front energy-absorption box 7 distortion to a certain degree, power forces front pushing block and push rod 3 that power is delivered to rear pushing block (pushing block in the energy-absorption box of rear bumper), rear pushing block is by rear energy-absorption box compressive deformation, if distortion is also continuing, other parts of rear bumper can be out of shape energy-absorbing in succession, thereby synchronous energy-absorbing before and after having realized.
When automobile knocks into the back, the first contact-impact object of front buffer beam of rear bumper 2 produces distortion energy-absorbing, front buffer beam distortion is to a certain degree out of shape by energy-absorption box after the energy-absorption box link span transmission force compresses of rear bumper 2 afterwards, after rear energy-absorption box distortion to a certain degree, power forces rear pushing block and push rod 3 that power is delivered to front pushing block, and front pushing block is by front energy-absorption box compressive deformation, if distortion is also continuing, other parts of front bumper can be out of shape energy-absorbing in succession, thus synchronous energy-absorbing before and after having realized.
Synchronous energy absorption device before and after auto against of the present utility model; through analysis of simulation experiment; the energy that before and after this auto against, synchronous energy absorption device can the absorption at least 30% more than 2 than independent front bumper 1 or rear bumper, can be when there is safety misadventure better protection occupant safety.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. synchronous energy absorption device before and after an auto against, it is characterized in that: comprise front bumper (1), and symmetrically arranged rear bumper (2) identical with front bumper (1) structure, and for transmitting two push rods (3) from the impact force of front bumper (1) and rear bumper (2); Described front bumper (1) and rear bumper (2) include front buffer beam (4), after cross member (5) and two front and rear beam attaching partss (6); The two ends of described front buffer beam (4) and after cross member (5) are respectively by front and rear beam attaching parts (6) weld together, two of spatial placements between front buffer beam (4) and after cross member (5) are fixed on energy-absorption box (7) on after cross member (5) and two for connecting the energy-absorption box link span (8) of energy-absorption box (7), and energy-absorption box link span (8) is welded as a whole with front buffer beam (4); Described two push rods (3) are set in parallel between front bumper (1) and rear bumper (2), the two ends of push rod (3) are arranged in the after cross member (5) of forward and backward bumper/spoiler, and the two ends of push rod (3) are connected with the energy-absorption box (7) of forward and backward bumper/spoiler respectively.
2. synchronous energy absorption device before and after auto against according to claim 1, it is characterized in that: the internal welding of described energy-absorption box (7) is connected to a pushing block (9), pushing block (9) welding in the rear and front end of push rod (3) and the energy-absorption box of forward and backward bumper/spoiler forms one.
3. synchronous energy absorption device before and after auto against according to claim 1 and 2, it is characterized in that: between described front bumper (1) and two after cross members of rear bumper (2), be provided with many strut bars (10), the two ends of strut bar (10) are integrated with the rear cross beam welding of forward and backward bumper/spoiler respectively.
4. synchronous energy absorption device before and after auto against according to claim 3, is characterized in that: on described energy-absorption box link span (8), be provided with two brace panels (11) with after cross member (5) weld together.
5. synchronous energy absorption device before and after auto against according to claim 4, is characterized in that: described front buffer beam (4) is double layer hollow Curved beam, and front buffer beam (4) is by two identical arc component welding, to be formed the Curved beam of hollow.
6. synchronous energy absorption device before and after auto against according to claim 4, is characterized in that: described after cross member (5) is rectangular hollow straight beam.
7. synchronous energy absorption device before and after auto against according to claim 4, is characterized in that: described push rod (3) is the square pole of hollow.
8. synchronous energy absorption device before and after auto against according to claim 4, is characterized in that: described strut bar (10) is the square straight-bar of hollow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420202124.3U CN203805826U (en) | 2014-04-24 | 2014-04-24 | Front and back synchronously-energy-absorbing device for car crash relief |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420202124.3U CN203805826U (en) | 2014-04-24 | 2014-04-24 | Front and back synchronously-energy-absorbing device for car crash relief |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203805826U true CN203805826U (en) | 2014-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420202124.3U Withdrawn - After Issue CN203805826U (en) | 2014-04-24 | 2014-04-24 | Front and back synchronously-energy-absorbing device for car crash relief |
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| Country | Link |
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| CN (1) | CN203805826U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103921746A (en) * | 2014-04-24 | 2014-07-16 | 厦门理工学院 | Car crash front-rear synchronous energy absorption device |
-
2014
- 2014-04-24 CN CN201420202124.3U patent/CN203805826U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103921746A (en) * | 2014-04-24 | 2014-07-16 | 厦门理工学院 | Car crash front-rear synchronous energy absorption device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140903 Effective date of abandoning: 20160217 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |