CN205086835U - Front crashproof beam structure for automobile - Google Patents
Front crashproof beam structure for automobile Download PDFInfo
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- CN205086835U CN205086835U CN201520861221.8U CN201520861221U CN205086835U CN 205086835 U CN205086835 U CN 205086835U CN 201520861221 U CN201520861221 U CN 201520861221U CN 205086835 U CN205086835 U CN 205086835U
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- cylinder body
- rectangular cross
- cross tube
- piston
- crossbeam
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Abstract
The utility model discloses a front crashproof beam structure for automobile, including crossbeam and two the energy -absorbing devices of fixed connection at crossbeam both ends and ranging back that are used for bearing the striking, the energy -absorbing device includes along the tube -shape cylinder body piston interior with arranging the tube -shape cylinder body in of crossbeam fore -and -aft direction setting, the front end fixedly connected with of piston follows the piston rod that tube -shape cylinder body length direction set up, and the preceding terminal surface that the tube -shape cylinder body was passed to the one end that the piston was kept away from to the piston rod stretches out outside the tube -shape cylinder body, the one end fixedly connected with connecting plate of piston is kept away from to the piston rod, the connecting plate is connected with the crossbeam is detachable, the pressure release hole that feeds through with tube -shape cylinder body inner chamber is offered to the preceding terminal surface of tube -shape cylinder body, the connecting hole has been seted up with the corresponding position in pressure release hole to the piston, the connecting hole can be located the tube -shape cylinder body cavity intercommunication of piston both sides. The utility model discloses simple structure, simple to operate come to consume the collision energy through the extrusion air, has improved the conversion ability to the impact, the security that has also improved the vehicle simultaneously.
Description
Technical field
The utility model relates to a kind of automobile collision preventing protection component, is specifically related to a kind of front crashproof beam structure for automobile.
Background technology
Collision prevention girders is also referred to as anti-collision beam, refers to that emphasis makes protected body be subject to less or preserve from order to protect automobile few girder construction being subject to or not being damaged and arranging in an impact.The important design concept of collision prevention girders is exactly that a bit stressed whole body is stressed, the namely effect of dispersancy.Functionally, collision prevention girders structure mainly carries and resists collision deformation, the effect of dispersion collision energy.Front anti-collision beam is positioned at vehicle body foremost, in the back of bumper/spoiler, is connected with longeron by energy absorption device.First effect of collision prevention girders is under low speed collision, by the structure of itself high strength, by power dissipation to energy absorption device, and the damage rate of vehicle during to alleviate low speed collision, and then reduce maintenance cost.Another one effect collision energy is evenly passed to the main bearing parts such as left-right longeron in high-speed crash.In collision prevention girders, energy-absorption box plays a part very important, the energy-absorption box in existing automobile, and great majority are all convert the inner structure of energy-absorption box and inner packing material and improve, there is following shortcoming in this shifting gears: the ability that energy-absorption box transforms impact is poor, and safety reduces.
Utility model content
For above-mentioned the deficiencies in the prior art, technical problem to be solved in the utility model is: how to provide a kind of conversion impact ability high, improve the front crashproof beam structure for automobile of vehicle safety.
In order to solve the problems of the technologies described above, the utility model have employed following technical scheme:
A kind of front crashproof beam structure for automobile, comprise the crossbeam for bearing shock and be fixedly connected on crossbeam two ends and extend back two energy absorption devices, it is characterized in that: described energy absorption device comprises the tubular cylinder body that arranges along described crossbeam fore-and-aft direction and to be placed in tubular cylinder body and can along the piston of tubular cylinder body length direction and described tubular cylinder body bearing fit, the front end of described piston is fixedly connected with the piston rod arranged along described tubular cylinder body length direction, and described piston rod reaches outside described tubular cylinder body away from one end of described piston through the front end face of described tubular cylinder body, described piston rod is fixedly connected with connecting panel away from one end of described piston, described connecting panel is connected with described crossbeam is detachable, the front end face of described tubular cylinder body offers the relief hole be communicated with described tubular inner chamber of cylinder block, described piston and described relief hole opposite position offer connecting bore, described tubular cylinder body can be positioned at the chamber of described piston both sides by described connecting bore.
In the utility model, when vehicle front receives shock, crossbeam bears whole impact, and collision energy is disperseed, pass to the energy absorption device being positioned at crossbeam two ends, collision energy is passed to the piston being positioned at tubular cylinder body by connecting panel in energy absorption device again by piston rod, the stressed backward direction away from crossbeam of piston is moved.In the process of piston movement, air in tubular cylinder body is extruded simultaneously, air after pressurized is outwards sprayed by connecting bore and relief hole, automobile collision energy is done work to air, by consuming collision energy to extruding air, tradition converts inner structure and inner packing material and improves relatively, improves the transfer capability to impact, also improves the safety of vehicle simultaneously.
As optimization, described crossbeam comprises rectangular cross tube and is positioned at rectangular cross tube front and the strip arch bar arched upward towards rectangular cross tube front, described rectangular cross tube and described strip arch bar are positioned in same level, the two ends of described strip arch bar are fixedly connected with the two ends of described rectangular cross tube respectively, multiple arch support frame along described rectangular cross tube length direction spread configuration is provided with between described strip arch bar and described rectangular cross tube, the vault of described arch support frame is fixedly connected with the side of described strip arch bar towards described rectangular cross tube side, two arch springings of described arch support frame are fixedly connected with the side of described rectangular cross tube towards described strip arch bar side respectively.The front of rectangular cross tube is provided with strip arch bar; multiple arch support frame is also provided with in addition between them; strip arch bar matches with arch support frame, is formed and is similar to the same structure of arch bridge, and the arcuate surface of strip arch bar is by tangentially passing to each arch support frame; collision energy is disperseed; be delivered to again in rectangular cross tube, make rectangular cross tube uniform force, can not be out of shape because local pressure is excessive; improve overall impact resistant capability, can actv. be protected by automotive engine.
As optimization, the honeycomb sandwich extended along described rectangular cross tube length direction is also provided with in described rectangular cross tube, described honeycomb sandwich comprises some honeycomb holes arranged along described rectangular cross tube fore-and-aft direction, and described honeycomb sandwich is fixedly connected with the inwall of rectangular cross tube respectively along the two ends of described honeycomb hole length direction.Honeycomb-like sandwich structure good stability, not yielding, its outstanding pressure resistance and resistance to bending can actv. Collision-frees.
As optimization, described strip arch bar is bonded with buffering foam block away from the side of described rectangular cross tube side covers.Buffering foam block is as energy-absorbing buffering material.It is after vehicle and pedestrian collision that its effect mainly contains two: one, can provide further buffering to pedestrian lower leg; Another provides support for bumper skin, ensures its not easy fracture or distortion when slight pressurized.
In sum, the beneficial effects of the utility model are: the utility model structure is simple, easy for installation, consume collision energy, improve the transfer capability to impact, also improve the safety of vehicle simultaneously by extruding air.
Accompanying drawing explanation
In order to make the object of utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model is described in further detail, wherein:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is A-A cutaway view in Fig. 1;
Fig. 3 is the structural representation of energy absorption device in the utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1 to Figure 3, front crashproof beam structure for automobile in this detailed description of the invention, comprise the crossbeam for bearing shock and be fixedly connected on crossbeam two ends and extend back two energy absorption devices, described energy absorption device comprises the tubular cylinder body 6 that arranges along described crossbeam fore-and-aft direction and to be placed in tubular cylinder body 6 and can along the piston 7 of tubular cylinder body 6 length direction and described tubular cylinder body 6 bearing fit, the front end of described piston 7 is fixedly connected with the piston rod 8 arranged along described tubular cylinder body 6 length direction, and described piston rod 8 reaches outside described tubular cylinder body 6 away from one end of described piston 7 through the front end face of described tubular cylinder body 6, described piston rod 8 is fixedly connected with connecting panel 9 away from one end of described piston 7, described connecting panel 9 is connected with described crossbeam is detachable, the front end face of described tubular cylinder body 6 offers the relief hole 10 be communicated with described tubular inner chamber of cylinder block, described piston 7 offers connecting bore 11 with described relief hole 10 opposite position, described tubular cylinder body 6 can be positioned at the chamber of described piston 7 both sides by described connecting bore 11.
In this detailed description of the invention, described crossbeam comprises rectangular cross tube 2 and is positioned at rectangular cross tube 2 front and the strip arch bar 3 arched upward towards rectangular cross tube 2 front, described rectangular cross tube 2 and described strip arch bar 3 are positioned in same level, the two ends of described strip arch bar 3 are fixedly connected with the two ends of described rectangular cross tube 2 respectively, multiple arch support frame 4 along described rectangular cross tube 2 length direction spread configuration is provided with between described strip arch bar 3 and described rectangular cross tube 2, the vault of described arch support frame 4 is fixedly connected with the side of described strip arch bar 3 towards described rectangular cross tube 2 side, two arch springings of described arch support frame 4 are fixedly connected with the side of described rectangular cross tube 2 towards described strip arch bar 3 side respectively.
In this detailed description of the invention, the honeycomb sandwich 1 extended along described rectangular cross tube 2 length direction is also provided with in described rectangular cross tube 2, described honeycomb sandwich 1 comprises some honeycomb holes arranged along described rectangular cross tube 2 fore-and-aft direction, and described honeycomb sandwich is fixedly connected with the inwall of rectangular cross tube 2 respectively along the two ends of described honeycomb hole length direction.
In this detailed description of the invention, described strip arch bar 3 is bonded with buffering foam block 5 away from the side of described rectangular cross tube 2 side covers.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described the utility model by referring to preferred embodiment of the present utility model, but those of ordinary skill in the art is to be understood that, various change can be made to it in the form and details, and not depart from the spirit and scope of the present utility model that appended claims limits.
Claims (4)
1. a front crashproof beam structure for automobile, comprise the crossbeam for bearing shock and be fixedly connected on crossbeam two ends and extend back two energy absorption devices, it is characterized in that: described energy absorption device comprises the tubular cylinder body that arranges along described crossbeam fore-and-aft direction and to be placed in tubular cylinder body and can along the piston of tubular cylinder body length direction and described tubular cylinder body bearing fit, the front end of described piston is fixedly connected with the piston rod arranged along described tubular cylinder body length direction, and described piston rod reaches outside described tubular cylinder body away from one end of described piston through the front end face of described tubular cylinder body, described piston rod is fixedly connected with connecting panel away from one end of described piston, described connecting panel is connected with described crossbeam is detachable, the front end face of described tubular cylinder body offers the relief hole be communicated with described tubular inner chamber of cylinder block, described piston and described relief hole opposite position offer connecting bore, described tubular cylinder body can be positioned at the chamber of described piston both sides by described connecting bore.
2. front crashproof beam structure for automobile according to claim 1, it is characterized in that: described crossbeam comprises rectangular cross tube and is positioned at rectangular cross tube front and the strip arch bar arched upward towards rectangular cross tube front, described rectangular cross tube and described strip arch bar are positioned in same level, the two ends of described strip arch bar are fixedly connected with the two ends of described rectangular cross tube respectively, multiple arch support frame along described rectangular cross tube length direction spread configuration is provided with between described strip arch bar and described rectangular cross tube, the vault of described arch support frame is fixedly connected with the side of described strip arch bar towards described rectangular cross tube side, two arch springings of described arch support frame are fixedly connected with the side of described rectangular cross tube towards described strip arch bar side respectively.
3. front crashproof beam structure for automobile according to claim 2, it is characterized in that: in described rectangular cross tube, be also provided with the honeycomb sandwich extended along described rectangular cross tube length direction, described honeycomb sandwich comprises some honeycomb holes arranged along described rectangular cross tube fore-and-aft direction, and described honeycomb sandwich is fixedly connected with the inwall of rectangular cross tube respectively along the two ends of described honeycomb hole length direction.
4. front crashproof beam structure for automobile according to claim 2, is characterized in that: described strip arch bar is bonded with buffering foam block away from the side of described rectangular cross tube side covers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520861221.8U CN205086835U (en) | 2015-11-02 | 2015-11-02 | Front crashproof beam structure for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520861221.8U CN205086835U (en) | 2015-11-02 | 2015-11-02 | Front crashproof beam structure for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205086835U true CN205086835U (en) | 2016-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520861221.8U Active CN205086835U (en) | 2015-11-02 | 2015-11-02 | Front crashproof beam structure for automobile |
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| Country | Link |
|---|---|
| CN (1) | CN205086835U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105346487A (en) * | 2015-11-02 | 2016-02-24 | 重庆至信实业有限公司 | Front anti-collision beam structure for automobile |
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2015
- 2015-11-02 CN CN201520861221.8U patent/CN205086835U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105346487A (en) * | 2015-11-02 | 2016-02-24 | 重庆至信实业有限公司 | Front anti-collision beam structure for automobile |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |