CN105329197A - Energy absorption box of automobile front anti-collision beam - Google Patents
Energy absorption box of automobile front anti-collision beam Download PDFInfo
- Publication number
- CN105329197A CN105329197A CN201510730310.3A CN201510730310A CN105329197A CN 105329197 A CN105329197 A CN 105329197A CN 201510730310 A CN201510730310 A CN 201510730310A CN 105329197 A CN105329197 A CN 105329197A
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- China
- Prior art keywords
- cylinder body
- crumple
- face
- energy absorption
- piston
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
The invention discloses an energy absorption box of an automobile front anti-collision beam. The energy absorption box comprises a crumple energy absorption device and an air-pressure energy absorption device, wherein the crumple energy absorption device comprises a crumple pipe and a mounting plate which is fixedly connected with the front end face of the crumple pipe; the air-pressure energy absorption device comprises a barrel-shaped cylinder body which is coaxial with the central line of the crumple pipe; the rear end face of the crumple pipe is fixedly connected onto the front end face of the barrel-shaped cylinder body; the barrel-shaped cylinder body is internally provided with a piston; the front end face of the piston is fixedly connected with a piston rod; one end, far away from the piston, of the piston rod penetrates through the front end face of the barrel-shaped cylinder body and stretches into the crumple pipe, and is fixedly connected with the mounting plate; a pressure leaking hole communicated with an inner cavity of the barrel-shaped cylinder body is formed in the front end face of the barrel-shaped cylinder body; a connection hole is formed in the position, corresponding to the pressure leaking hole, of the piston; the connection hole can be used for communicating cavities, located on the two sides of the piston, of the barrel-shaped cylinder body. An energy absorption manner combining crumple energy absorption and air-pressure energy absorption is used for simultaneously converting collision energy, so that the conversion capability of an impact force is improved and the safety of vehicles is also improved.
Description
Technical field
The present invention relates to a kind of automobile collision preventing protection component, be specifically related to a kind of front anticollision beam of automobile energy-absorption box.
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 box.First effect of collision prevention girders is under low speed collision, by the structure of itself high strength, by power dissipation to energy-absorption box, 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.
Summary of the invention
For above-mentioned the deficiencies in the prior art, technical matters to be solved by this invention is: how to provide a kind of conversion impact ability high, improve the front anticollision beam of automobile energy-absorption box of vehicle safety.
In order to solve the problems of the technologies described above, present invention employs following technical scheme:
A kind of front anticollision beam of automobile energy-absorption box, it is characterized in that: comprise crumple energy absorption device and air pressure energy absorption device, the adapter plate that described crumple energy absorption device comprises crumple pipe and is fixedly connected with the front end face of crumple pipe, described air pressure energy absorption device comprises the tubular cylinder body coaxially arranged with described crumple tube hub line, the aft end face of described crumple pipe is fixedly connected on the front end face of described tubular cylinder body, being provided with in described tubular cylinder body can along the piston of tubular cylinder body length direction and described tubular cylinder body bearing fit, the front end face of described piston is fixedly connected with the piston rod along described tubular cylinder body length direction setting and the quantity of piston rod is at least one, described piston rod away from described piston one end through described tubular cylinder body front end face after extend in described crumple pipe, and be fixedly connected with described adapter plate, 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 present invention, have employed the energy-absorbing mode that crumple energy-absorbing and air pressure energy-absorbing two kinds combine to change collision energy simultaneously.After crossbeam receives shock, first collision energy is passed on the adapter plate be connected with crossbeam, then masterpiece is used on crumple pipe and piston rod by adapter plate simultaneously, also there is breakage in crumple pipe energy-absorbing, and rearward promote piston after piston rod energy-absorbing and move, in piston is mobile in tubular cylinder body, start the air in extruding tubular cylinder body, air is discharged from by connecting bore and relief hole, changes collision energy by the mode of doing work to air.The mode that both combine like this improves the transfer capability of impact, improves the safety of vehicle simultaneously.
As optimization, described crumple pipe comprises a shaped hollow round table bellows, and the larger diameter end of described shaped hollow round table bellows is fixedly connected with described adapter plate, and the smaller diameter end of described shaped hollow round table bellows is fixedly connected with the front end face of described tubular cylinder body.After the larger diameter end of shaped hollow round table bellows is connected with adapter plate, because its diameter is variable-diameter structure, the fragment that the energy breakage that is collided produces afterwards will outwards disperse, can not enter in shaped hollow round table bellows and obstruction is caused to follow-up crumple energy-absorbing, further increase the transfer capability of impact.
As optimization, described adapter plate is conical suface towards the end face of described crumple pipe side, and the line of centers of conical suface is coaxial with the line of centers of described crumple pipe.The action direction of conical suface to the power of crumple pipe transmission is perpendicular to conical suface, and to act on crumple pipe be from inside to outside in the direction of this power, such crumple pipe is when crumple, fragment is just outwards scattered, crumple pipe inside can not be entered into counteract, further increase the transfer capability of impact.
In sum, beneficial effect of the present invention is: structure of the present invention is simple, have employed the energy-absorbing mode that crumple energy-absorbing and air pressure energy-absorbing two kinds combine to change collision energy simultaneously, improve the transfer capability to impact, also improve the safety of vehicle simultaneously.
Accompanying drawing explanation
In order to make the object of invention, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the present invention is described in further detail, wherein:
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figure 1, a kind of front anticollision beam of automobile energy-absorption box in this detailed description of the invention, comprise crumple energy absorption device and air pressure energy absorption device, the adapter plate 2 that described crumple energy absorption device comprises crumple pipe 1 and is fixedly connected with the front end face of crumple pipe 1, described air pressure energy absorption device comprises the tubular cylinder body 3 coaxially arranged with described crumple pipe 1 line of centers, the aft end face of described crumple pipe 1 is fixedly connected on the front end face of described tubular cylinder body 3, being provided with in described tubular cylinder body 3 can along the piston 4 of tubular cylinder body 3 length direction and described tubular cylinder body 3 bearing fit, the front end face of described piston 4 is fixedly connected with the piston rod 5 along described tubular cylinder body 3 length direction setting and the quantity of piston rod 5 is at least one, described piston rod 5 away from described piston 4 one end through described tubular cylinder body 3 front end face after extend in described crumple pipe 1, and be fixedly connected with described adapter plate 2, the front end face of described tubular cylinder body 3 offers the relief hole 6 with described tubular cylinder body 3 inner space, described piston 4 offers connecting bore 7 with described relief hole 6 opposite position, described tubular cylinder body 3 can be positioned at the chamber of described piston 4 both sides by described connecting bore 7.
In this detailed description of the invention, described crumple pipe 1 comprises a shaped hollow round table bellows, the larger diameter end of described shaped hollow round table bellows is fixedly connected with described adapter plate 2, and the smaller diameter end of described shaped hollow round table bellows is fixedly connected with the front end face of described tubular cylinder body 3.
In this detailed description of the invention, described adapter plate 2 is conical suface towards the end face of described crumple pipe 1 side, and the line of centers of conical suface is coaxial with the line of centers of described crumple pipe 1.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although by referring to the preferred embodiments of the present invention, invention has been described, 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 invention that appended claims limits.
Claims (3)
1. a front anticollision beam of automobile energy-absorption box, it is characterized in that: comprise crumple energy absorption device and air pressure energy absorption device, the adapter plate that described crumple energy absorption device comprises crumple pipe and is fixedly connected with the front end face of crumple pipe, described air pressure energy absorption device comprises the tubular cylinder body coaxially arranged with described crumple tube hub line, the aft end face of described crumple pipe is fixedly connected on the front end face of described tubular cylinder body, being provided with in described tubular cylinder body can along the piston of tubular cylinder body length direction and described tubular cylinder body bearing fit, the front end face of described piston is fixedly connected with the piston rod along described tubular cylinder body length direction setting and the quantity of piston rod is at least one, described piston rod away from described piston one end through described tubular cylinder body front end face after extend in described crumple pipe, and be fixedly connected with described adapter plate, 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. a kind of front anticollision beam of automobile energy-absorption box according to claim 1, it is characterized in that: described crumple pipe comprises a shaped hollow round table bellows, the larger diameter end of described shaped hollow round table bellows is fixedly connected with described adapter plate, and the smaller diameter end of described shaped hollow round table bellows is fixedly connected with the front end face of described tubular cylinder body.
3. a kind of front anticollision beam of automobile energy-absorption box according to claim 1, is characterized in that: described adapter plate is conical suface towards the end face of described crumple pipe side, and the line of centers of conical suface is coaxial with the line of centers of described crumple pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510730310.3A CN105329197A (en) | 2015-11-02 | 2015-11-02 | Energy absorption box of automobile front anti-collision beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510730310.3A CN105329197A (en) | 2015-11-02 | 2015-11-02 | Energy absorption box of automobile front anti-collision beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105329197A true CN105329197A (en) | 2016-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510730310.3A Pending CN105329197A (en) | 2015-11-02 | 2015-11-02 | Energy absorption box of automobile front anti-collision beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105329197A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106994982A (en) * | 2017-04-27 | 2017-08-01 | 西南交通大学 | A kind of pressurized type energy absorption device |
| ES2671433A1 (en) * | 2018-03-12 | 2018-06-06 | Universidad Politécnica de Madrid | IMPACT ABSORPTION DEVICE (Machine-translation by Google Translate, not legally binding) |
| CN110130953A (en) * | 2019-05-23 | 2019-08-16 | 辽宁工程技术大学 | A kind of compound erosion control energy absorption device |
| CN111002938A (en) * | 2019-12-24 | 2020-04-14 | 上海工程技术大学 | Device for buffering side impact of automobile |
| CN113650576A (en) * | 2021-08-02 | 2021-11-16 | 合肥工业大学 | Compound energy absorption box and automobile with same |
| CN114851999A (en) * | 2022-05-31 | 2022-08-05 | 南通理工学院 | New energy automobile energy-absorbing bumper |
| WO2024040379A1 (en) * | 2022-08-22 | 2024-02-29 | 华为技术有限公司 | Collision energy absorption device and control method thereof, bumper, and vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2334637Y (en) * | 1998-10-15 | 1999-08-25 | 张茂 | Collision-resistant device for moving carrier |
| CN201544901U (en) * | 2009-12-03 | 2010-08-11 | 东风襄樊旅行车有限公司 | Pneumatic collision energy absorbing device of automobile |
| CN102145674A (en) * | 2011-04-26 | 2011-08-10 | 东北大学 | Automobile collision energy-absorbing buffer device |
| CN204109952U (en) * | 2014-09-26 | 2015-01-21 | 肖夏 | Collision damper for car |
| CN205086845U (en) * | 2015-11-02 | 2016-03-16 | 重庆至信实业有限公司 | Automobile energy absorbing box |
-
2015
- 2015-11-02 CN CN201510730310.3A patent/CN105329197A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2334637Y (en) * | 1998-10-15 | 1999-08-25 | 张茂 | Collision-resistant device for moving carrier |
| CN201544901U (en) * | 2009-12-03 | 2010-08-11 | 东风襄樊旅行车有限公司 | Pneumatic collision energy absorbing device of automobile |
| CN102145674A (en) * | 2011-04-26 | 2011-08-10 | 东北大学 | Automobile collision energy-absorbing buffer device |
| CN204109952U (en) * | 2014-09-26 | 2015-01-21 | 肖夏 | Collision damper for car |
| CN205086845U (en) * | 2015-11-02 | 2016-03-16 | 重庆至信实业有限公司 | Automobile energy absorbing box |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106994982A (en) * | 2017-04-27 | 2017-08-01 | 西南交通大学 | A kind of pressurized type energy absorption device |
| ES2671433A1 (en) * | 2018-03-12 | 2018-06-06 | Universidad Politécnica de Madrid | IMPACT ABSORPTION DEVICE (Machine-translation by Google Translate, not legally binding) |
| WO2019175454A1 (en) * | 2018-03-12 | 2019-09-19 | Universidad Politécnica de Madrid | Device for absorbing impacts |
| CN110130953A (en) * | 2019-05-23 | 2019-08-16 | 辽宁工程技术大学 | A kind of compound erosion control energy absorption device |
| CN111002938A (en) * | 2019-12-24 | 2020-04-14 | 上海工程技术大学 | Device for buffering side impact of automobile |
| CN113650576A (en) * | 2021-08-02 | 2021-11-16 | 合肥工业大学 | Compound energy absorption box and automobile with same |
| CN114851999A (en) * | 2022-05-31 | 2022-08-05 | 南通理工学院 | New energy automobile energy-absorbing bumper |
| CN114851999B (en) * | 2022-05-31 | 2024-07-05 | 南通理工学院 | New energy automobile energy-absorbing bumper |
| WO2024040379A1 (en) * | 2022-08-22 | 2024-02-29 | 华为技术有限公司 | Collision energy absorption device and control method thereof, bumper, and vehicle |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160217 |
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| WD01 | Invention patent application deemed withdrawn after publication |