CN202294642U - Energy-absorption box - Google Patents
Energy-absorption box Download PDFInfo
- Publication number
- CN202294642U CN202294642U CN2011202605392U CN201120260539U CN202294642U CN 202294642 U CN202294642 U CN 202294642U CN 2011202605392 U CN2011202605392 U CN 2011202605392U CN 201120260539 U CN201120260539 U CN 201120260539U CN 202294642 U CN202294642 U CN 202294642U
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- energy
- honeycomb
- absorbing box
- honeycomb core
- absorbing
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Abstract
The utility model relates to an energy-absorption box, aiming to provide the energy-absorption box which is simple in structure, stable in deformation and capable of sufficiently absorbing collision energy. The energy-absorption box comprises a shell and a honeycomb core located inside the shell, wherein the honeycomb core is provided with a plurality of honeycomb holes which are arrayed longitudinally; the honeycomb core is formed by stacking aluminum alloy honeycomb sandwiched boards; and a plurality of layers of induction grooves are arranged on the surface of the shell alternatively. According to the utility model, by additional arrangement of the aluminum honeycomb core in the energy-absorption box to make the energy-absorption box stable in deformation, the purpose of sufficiently absorbing the energy during front impact is achieved.
Description
Technical field
The utility model relates to safety guard for automobile, refers in particular to a kind of energy-absorbing box.
Background technology
In the frontal crash of vehicles; Mainly the compressive deformation through front part of vehicle energy-absorbing box comes abundant absorbing impact kinetic energy and reduces maximum impact to impact to relax, so the collision energy-absorbing characteristic of energy-absorbing box and compressive deformation pattern will determine the response of body structure when the collision generation.Existing automobile front side member energy-absorbing box structure mainly leans on design to induce groove to make it in collision process, produce to be out of shape and absorb energy; But because the characteristic of steel plate itself causes it to be out of shape instability and energy absorption ability is poor; The deformation of energy-absorbing box is asymmetric foldable and contractile type, and the distortion of asymmetric foldable and contractile type is that the root with energy-absorbing box middle part or energy-absorbing box is the unstable mode of texturing of distortion starting point, in the later stage of collision; Because compression has fully taken place in the energy-absorbing box; So the plastic deformation of energy-absorbing box structure itself is absorbing impact kinetic energy fully, thereby energy absorbing is unstable when causing car body to bump, and can not well protect occupant safety.
The day for announcing is on 04 20th, 2011; Notification number is that the Chinese patent of CN201800661U discloses a kind of energy absorption device; Said energy absorption device comprises: safety lever covering, energy-absorbing box, subframe; Between safety lever covering and subframe, be provided with the null space, said energy-absorbing box is provided with in the said null space, and said energy-absorbing box is connected with subframe.Its advantage is to have utilized the null space to come the absorbing impact energy, and ability sensed in advance collision case signal in time starts vehicle impact protection apparatus at different levels, and passenger's safety has adequately protected.Its weak point is that the axial deformation of energy-absorbing box is unstable, well absorbing impact kinetic energy.
The utility model content
The purpose of the utility model is the energy-absorbing box axial deformation instability that overcomes prior art, and the inadequate deficiency of energy absorbing provides the steady-state deformation of a kind of ability, fully the energy-absorbing box of absorbing impact kinetic energy.
To achieve these goals, the utility model adopts following technical scheme: a kind of energy-absorbing box, to form by shell and in-to-in honeycomb core, and the honeycomb hole of said honeycomb core is vertically arranged.Honeycomb core has excellent mechanical property and absorption power; Cellular structure is the bigger a kind of lightweight construction of present intensity ratio, ratio of rigidity; Honeycomb core has good bearing load ability and can absorb significant amount of energy during in single direction generation steady-state deformation at its axial direction; Honeycomb core is welded in the front side member energy-absorbing box with reasonable distressed structure, makes it when automobile generation head-on crash, can fully absorb car body kinetic energy.
As preferably, said honeycomb core is that the stack of multilayer aluminum alloy honeycomb battenboard is formed.The aluminum alloy honeycomb battenboard is bonding with a middle thicker honeycomb core by two-layer panel as thin as a wafer up and down and a kind of composite construction board that constitute; The aluminum alloy honeycomb battenboard adopts the high-strength alloy aluminium sheet as panel and base plate usually, and the centre is used with the compound manufacturing of the aluminum alloy honeycomb core of material and formed.The aluminium honeycomb core energy-absorbing box of identical weight is compared with common energy-absorbing box has high energy-absorbing efficient, in the car load design, helps to reduce tare.Under the aluminium honeycomb core thickness situation identical with the length of side, along with the increase of interlayer number, pressure resistance improves.In the conquassation process of honeycomb core, every layer of honeycomb forms a compression unit, and the conquassation of multi-layer honeycomb structure forms the distortion of near symmetrical foldable and contractile type, and symmetrical foldable and contractile type distortion is to begin distortion from energy-absorbing box front end, and the mode of texturing of progressively passing backward.The conquassation of many interlayers honeycomb structure always successively successively reaches plasticity from top to bottom and caves in stage and densification stage, thus maximized absorbing impact energy.
As preferably, the cellular sandwich of said aluminum alloy honeycomb battenboard be shaped as regular hexagon.The cellular sandwich shape of honeycomb sandwich board has square, rhombus, circle, triangle, regular hexagon etc., and is wherein the most stable with the regular hexagon compression performance, uses also common.
As preferably, said case surface is provided with multilayer and induces groove, and the conquassation of inducing being provided with of groove further to make the energy-absorbing box is symmetrical foldable and contractile type compression, and multilayer is induced the further absorption that strengthens collision energy of being provided with of groove.
As preferably, and all be provided with one on every layer of cooresponding shell of honeycomb sandwich board and induce groove, setting can guarantee that every layer of honeycomb structure forms a conquassation unit like this.
As preferably, the described groove of inducing can be arranged to inner concave shape, male type or indent evagination alternate type.
The beneficial effect of the utility model is: (1) is simple in structure, is easy to make, and only needs to add aluminium honeycomb core in the inside of original energy-absorbing box and gets final product.(2) can steady-state deformation, fully absorbing impact energy.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model;
Fig. 2 is the another kind of structural representation of the utility model.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is further described
.A kind of energy-absorbing box of the utility model, as illustrated in fig. 1 and 2, it is positioned at the connecting portion of vehicle beam two ends and longeron; Adopt welding perhaps to be threaded with being connected of crossbeam and longeron, be made up of shell 2 and honeycomb core 1, the honeycomb hole of honeycomb core 1 is vertically arranged; Honeycomb core 1 is welded in the shell 2, and honeycomb core is made up of the stack of three layers of aluminum alloy honeycomb battenboard, the cellular sandwich of aluminum alloy honeycomb battenboard be shaped as regular hexagon; Shell 2 is welded for steel plate; Its cross section is the D font, also can be set to circular or rectangle etc., and shell 2 surfaces are provided with the multilayer indent and induce groove 3; All be provided with one on every layer of cooresponding shell of honeycomb sandwich board and induce groove 3, induce groove 3 that male type or indent evagination alternate type also can be set as required.
When vehicle generation head-on crash; Crossbeam passes to the energy-absorbing box with impact, and energy-absorbing box generation conquassation is because the inner honeycomb core structures that adopts multilayer aluminum alloy honeycomb battenboard to form of energy-absorbing box; The conquassation that makes the energy-absorbing box is for being connected side and progressively reaching plasticity and cave in stage and densification stage from being connected side direction with crossbeam with longeron; Reach densification during the stage up to energy-absorbing box integral body, the energy-absorbing box absorbs energy and just reaches capacity, and this moment, the energy-absorbing box just passed to longeron with dump energy.Add honeycomb core structures, well solved the energy-absorbing box distortion problem of unstable that simple steel plate is processed, make the distortion of energy-absorbing box reach approximate and symmetrical foldable and contractile type deformation effect.
Claims (6)
1. an energy-absorbing box is characterized in that, it is made up of shell and in-to-in honeycomb core, and the honeycomb hole of said honeycomb core is vertically arranged.
2. energy-absorbing box according to claim 1 is characterized in that, said honeycomb core is made up of the stack of multilayer aluminum alloy honeycomb battenboard.
3. energy-absorbing box according to claim 2 is characterized in that, the cellular sandwich of said aluminum alloy honeycomb battenboard be shaped as regular hexagon.
4. energy-absorbing box according to claim 1 is characterized in that said case surface is provided with multilayer and induces groove.
5. energy-absorbing box according to claim 4 is characterized in that, and all is provided with one on every layer of cooresponding shell of honeycomb sandwich board and induces groove.
6. according to claim 4 or 5 described energy-absorbing boxes, it is characterized in that the described groove of inducing can be arranged to inner concave shape, male type or indent evagination alternate type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202605392U CN202294642U (en) | 2011-07-22 | 2011-07-22 | Energy-absorption box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202605392U CN202294642U (en) | 2011-07-22 | 2011-07-22 | Energy-absorption box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202294642U true CN202294642U (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202605392U Expired - Lifetime CN202294642U (en) | 2011-07-22 | 2011-07-22 | Energy-absorption box |
Country Status (1)
| Country | Link |
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| CN (1) | CN202294642U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102826060A (en) * | 2012-09-21 | 2012-12-19 | 吉林大学 | Bionic energy absorption pipe of bamboo-like structure |
| CN104386011A (en) * | 2014-12-19 | 2015-03-04 | 中国汽车工程研究院股份有限公司 | Compound type crash box with high impact energy-absorption performance |
| CN104988366A (en) * | 2015-07-07 | 2015-10-21 | 龙口市丛林铝材有限公司 | Energy absorption aluminum profile for railway vehicle body and manufacturing method thereof |
| CN105774717A (en) * | 2016-03-15 | 2016-07-20 | 广州汽车集团股份有限公司 | Energy absorption box for vehicle |
| CN106043183A (en) * | 2016-07-29 | 2016-10-26 | 奇瑞新能源汽车技术有限公司 | Vehicle front anticollision beam assembly |
| CN106347463A (en) * | 2016-10-17 | 2017-01-25 | 东南大学 | Bionic energy absorption box |
| CN108146463A (en) * | 2018-01-29 | 2018-06-12 | 深圳市乾行达科技有限公司 | Honeycomb energy-absorbing device |
| CN108263320A (en) * | 2018-01-31 | 2018-07-10 | 吉利汽车研究院（宁波）有限公司 | Energy-absorbing case assembly and anticollision device, collision-prevention device |
| CN108909663A (en) * | 2018-07-25 | 2018-11-30 | 吉林大学 | Vehicle and its bumper bar |
| CN109263588A (en) * | 2018-09-18 | 2019-01-25 | 北汽福田汽车股份有限公司 | Energy-absorption box, collision prevention beam component and vehicle |
| CN109532731A (en) * | 2018-09-06 | 2019-03-29 | 华侨大学 | A kind of novel car crass energy-absorption box |
| CN109624900A (en) * | 2018-12-14 | 2019-04-16 | 华侨大学 | A kind of car crass energy-absorption box |
| CN111572482A (en) * | 2020-06-24 | 2020-08-25 | 丹阳市车船装饰件有限公司 | Composite material formed automobile anti-collision beam energy absorption box and preparation method thereof |
-
2011
- 2011-07-22 CN CN2011202605392U patent/CN202294642U/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102826060A (en) * | 2012-09-21 | 2012-12-19 | 吉林大学 | Bionic energy absorption pipe of bamboo-like structure |
| CN104386011A (en) * | 2014-12-19 | 2015-03-04 | 中国汽车工程研究院股份有限公司 | Compound type crash box with high impact energy-absorption performance |
| CN104988366A (en) * | 2015-07-07 | 2015-10-21 | 龙口市丛林铝材有限公司 | Energy absorption aluminum profile for railway vehicle body and manufacturing method thereof |
| CN105774717A (en) * | 2016-03-15 | 2016-07-20 | 广州汽车集团股份有限公司 | Energy absorption box for vehicle |
| CN106043183A (en) * | 2016-07-29 | 2016-10-26 | 奇瑞新能源汽车技术有限公司 | Vehicle front anticollision beam assembly |
| CN106347463A (en) * | 2016-10-17 | 2017-01-25 | 东南大学 | Bionic energy absorption box |
| CN108146463A (en) * | 2018-01-29 | 2018-06-12 | 深圳市乾行达科技有限公司 | Honeycomb energy-absorbing device |
| CN108263320A (en) * | 2018-01-31 | 2018-07-10 | 吉利汽车研究院（宁波）有限公司 | Energy-absorbing case assembly and anticollision device, collision-prevention device |
| CN108909663A (en) * | 2018-07-25 | 2018-11-30 | 吉林大学 | Vehicle and its bumper bar |
| CN109532731A (en) * | 2018-09-06 | 2019-03-29 | 华侨大学 | A kind of novel car crass energy-absorption box |
| CN109263588A (en) * | 2018-09-18 | 2019-01-25 | 北汽福田汽车股份有限公司 | Energy-absorption box, collision prevention beam component and vehicle |
| CN109263588B (en) * | 2018-09-18 | 2020-11-13 | 北汽福田汽车股份有限公司 | Energy-absorbing box, crashproof roof beam subassembly and vehicle |
| CN109624900A (en) * | 2018-12-14 | 2019-04-16 | 华侨大学 | A kind of car crass energy-absorption box |
| CN109624900B (en) * | 2018-12-14 | 2021-10-01 | 华侨大学 | Automobile collision energy absorption box |
| CN111572482A (en) * | 2020-06-24 | 2020-08-25 | 丹阳市车船装饰件有限公司 | Composite material formed automobile anti-collision beam energy absorption box and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Jirun Automobile Co., Ltd. Assignor: Zhejiang Geely Automobile Research Institute Co., Ltd., Zhejiang Geely Holding Group Company Limited Contract record no.: 2013330000314 Denomination of utility model: Crease type crash energy absorption box Granted publication date: 20120704 License type: Exclusive License Record date: 20131011 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |
|
| CX01 | Expiry of patent term |