CN207631181U - A kind of aluminium alloy collision prevention girders for kart - Google Patents
A kind of aluminium alloy collision prevention girders for kart Download PDFInfo
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- CN207631181U CN207631181U CN201721632504.0U CN201721632504U CN207631181U CN 207631181 U CN207631181 U CN 207631181U CN 201721632504 U CN201721632504 U CN 201721632504U CN 207631181 U CN207631181 U CN 207631181U
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- crossbeam
- energy
- absorption box
- antetheca
- aluminium alloy
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Abstract
A kind of aluminium alloy collision prevention girders for kart, including crossbeam and the energy-absorption box for being symmetricly set on crossbeam both sides, the crossbeam and energy-absorption box make for aluminium alloy extrusions, the cross sectional shape of crossbeam is similar to ware font, crossbeam includes shell and stud, it is equipped at the antetheca of crossbeam shell and is grown to the antetheca guiding groove for extending to crossbeam both ends along crossbeam, the stud is 13, and the both ends of each stud are respectively and fixedly connected with the antetheca and rear wall of shell.The main feature of the utility model is as follows, and 1, in order to enhance the anti-bending strength of crossbeam, have on crossbeam antetheca and is grown to the antetheca guiding groove for extending to crossbeam both ends along crossbeam；2, in order to enhance the rigidity of crossbeam, setting connects the stud of antetheca, rear wall；3, in order to ensure that energy-absorption box can be welded with crossbeam border, the both sides up and down of crossbeam rear wall are respectively provided with flange.The utility model integrally uses aluminium alloy extrusions, solves lightweight by structure optimization and anti-bending strength takes into account and the reasonable connectivity problem of energy-absorption box and crossbeam.
Description
Technical field
The utility model is related to a kind of automobile safety components, are especially used for the aluminium alloy collision prevention girders of kart.
Background technology
Currently, automobile is gradually at the necessity in for people's lives, with being continuously increased also therewith for car ownership
Bring increasingly serious environmental problem.In order to improve energy saving and the feature of environmental protection, the reduction fuel consumption and reduction discharge of automobile,
The design of automotive light weight technology is increasingly taken seriously.It cannot ignore vehicle safety while paying close attention to automotive light weight technology, send out
It is the direction that each main engine plants make great efforts to protect the safety of occupant when raw car crass to greatest extent.When automobile positive collides, reasonably
Front anti-collision beam structure can effectively absorb impact energy, reduce the damage of crew module and body structure, be not only able to reduce occupant
Injured degree can also reduce maintenance cost.Collision prevention girders are the important safety components of automobile, and front anti-collision beam structure is in head-on crash
Anti-bending strength be vehicle safety performance important measurement index.Crossbeam is the main bending resistance part of anticollision girder construction, section knot
Structure and crooked radian directly affect anti-bending strength.Under light-weighted background, more and more main engine plants are intended to close using aluminium
Golden anti-collision beam.Mesh font, stud, square shape for generally using etc. cut the aluminium crossbeam of type, in the premise for meeting weight demands
Under, anti-bending strength is not fully up to expectations.Additionally due to the needs of vehicle energy-absorbing, often aluminium energy-absorption box sectional dimension is larger, but sometimes
Due to being arranged front deck, aluminium crossbeam is smaller in the size of Z-direction, and causing aluminium crossbeam can not be with aluminium energy-absorption box week lap welding
It connects.To this problem, there is producer to take and reduce energy-absorption box cross dimensions, increase material thickness to ensure the measure of energy absorption, but expect thick
Increase the risk that energy-absorption box is not pressed feedback, toppled over when can increase complete automobile collision yet, so that last main engine plants have to receive reduction
Energy-absorption box cross dimensions reduces the reality of energy absorption performance.
Utility model content
The purpose of this utility model is that for the prior art drawback, provide one kind disclosure satisfy that anti-bending strength require and
The aluminium alloy collision prevention girders for kart of energy-absorption box cross dimensions are effectively ensured.
Problem described in the utility model is realized with following technical proposals：
A kind of aluminium alloy collision prevention girders for kart, including crossbeam and the energy-absorption box for being symmetricly set on crossbeam both sides,
The crossbeam and energy-absorption box are that aluminium alloy extrusions makes, and for the cross sectional shape of crossbeam similar to ware font, crossbeam includes shell and stud,
It is equipped at the antetheca of crossbeam shell and is grown to the antetheca guiding groove for extending to crossbeam both ends along crossbeam, the stud is 1-3 items, respectively
The both ends of stud are respectively and fixedly connected with the antetheca and rear wall of shell.
The above-mentioned aluminium alloy collision prevention girders for kart, the energy-absorption box is cuboid, in four seamed edges of energy-absorption box
On be respectively equipped with several crumple holes, the spacing M in adjacent crumple hole is 25-50 millimeter on same seamed edge, the crumple hole of close crossbeam
Distance N away from crossbeam is 20-40mm, and the radius in crumple hole is 3-8 millimeters.
The above-mentioned aluminium alloy collision prevention girders for kart, the both sides up and down of the rear wall of shell be separately connected upper overturning, under
Flange, lower flange are equipped with resigning breach, and the thickness H of upper and lower flange is 1-3 millimeters.
The above-mentioned aluminium alloy collision prevention girders for kart, the structure of two energy-absorption boxes is identical, can be interchanged, each energy-absorption box
Each seamed edge on 2-4 crumple hole is respectively set.
The cross sectional shape of the above-mentioned aluminium alloy collision prevention girders for kart, antetheca guiding groove is trapezoidal, antetheca guiding groove
Groove width E be 5-50mm, groove depth C be 1-10mm.
The cross-sectional shape of the above-mentioned aluminium alloy collision prevention girders for kart, each energy-absorption box is stud, in energy-absorption box
It is interior to be equipped with energy-absorption box reinforcing rib.
The characteristics of the utility model, is as follows, and 1, in order to enhance the anti-bending strength of crossbeam, have on crossbeam antetheca long along crossbeam
To the antetheca guiding groove for extending to crossbeam both ends；2, in order to enhance the rigidity of crossbeam, setting connects the stud of antetheca, rear wall；3、
In order to reduce production cost, be easily installed, left and right energy-absorption box structure is identical to be shared；4, in order to ensure that energy-absorption box can be with cross
Beam border is welded, and the both sides up and down of crossbeam rear wall are respectively provided with flange；5, in order to ensure that collision energy-absorbing box can normally burst
Contracting, is respectively set round crumple hole on the seamed edge of energy-absorption box.The utility model integrally uses aluminium alloy extrusions, excellent by structure
Change solves lightweight and anti-bending strength takes into account and the reasonable connectivity problem of energy-absorption box and crossbeam.
Description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of crossbeam；
Fig. 3 is the cross-sectional view of crossbeam；
Fig. 4 is the structural schematic diagram of energy-absorption box.
In figure respectively marked as：1, crossbeam, 1-1, antetheca, 1-1-1, antetheca guiding groove, 1-2, rear wall, 1-3, upper overturning, 1-
4, lower flange, 1-4-1, resigning breach, 1-5, stud, 2, energy-absorption box, 2-1, crumple hole, 2-2, energy-absorption box reinforcing rib, 3, bottom plate,
4, towing hook set.
Specific implementation mode
Referring to Fig. 1, energy-absorption box 2 of the utility model by crossbeam 1 and positioned at crossbeam both ends is constituted.Crossbeam generally arc,
Crossbeam and energy-absorption box are all made of aluminium alloy extrusions and are made, and in the bottom of each energy-absorption box, are respectively provided with connection automobile longitudinal girder
Bottom plate 3 is equipped with towing hook in the antetheca of crossbeam and covers 4.
Referring to Fig. 2, Fig. 3, for the cross sectional shape of crossbeam similar to ware font, crossbeam includes shell and stud 1-5.In order to enhance cross
The anti-bending strength of beam is equipped on the antetheca 1-1 of crossbeam and is grown to the antetheca guiding groove 1-1-1 for extending to crossbeam both ends along crossbeam.
The cross sectional shape of antetheca guiding groove is that notch end is more than the trapezoidal of slot bottom end, and the groove width E of antetheca guiding groove is 5-50mm, groove depth C
For 1-10mm.In order to enhance the rigidity of crossbeam, it is provided with the stud 1-5 of connection antetheca 1-1, rear wall 1-2, the item number of stud is general
For 1-3 items, it is illustrated that stud is two in embodiment.In order to ensure energy-absorption box energy under the premise of not reducing energy-absorption box sectional dimension
Enough and crossbeam border is welded, and is respectively provided with upper overturning 1-3, lower flange 1-4 in the both sides up and down of the rear wall of crossbeam, is turned over above and below
The width dimensions on side are depending on the sectional dimension of energy-absorption box connected to it, typically not greater than 20 millimeters, the thickness of upper and lower flange
Size H is 1-3 millimeters.It needs that the environment parts such as radar supports are installed on crossbeam, to avoid environment part and flange from interfering, under
Flange is equipped with resigning breach 1-4-1, and the size of resigning breach and installation position are determined depending on the amount of interference to environment part.
Referring to Fig. 1, Fig. 4, energy-absorption box 2 is cuboid, and the structure of two energy-absorption boxes is identical, may be used interchangeably.Each energy-absorbing
The crumple hole 2-1 for damage energy-absorbing of bursting when several collisions is respectively provided on each seamed edge of box.The number in crumple hole on each seamed edge
It it is 2-4, it is illustrated that the number in crumple hole is three on each seamed edge in embodiment.The spacing M in adjacent crumple hole on same seamed edge
It it is 25-50 millimeters, the distance N close to the crumple pitch-row crossbeam of crossbeam is 20-40mm, and the radius in crumple hole is 3-8 millimeters.To carry
The intensity of high energy-absorption box is equipped with energy-absorption box reinforcing rib 2-2 in energy-absorption box.
It, can be referring to the mark of arrow in Fig. 1 for above-mentioned front, rear, top, and bottom are the position according to collision prevention girders use state.
Claims (6)
1. a kind of aluminium alloy collision prevention girders for kart, including crossbeam (1) and the energy-absorption box for being symmetricly set on crossbeam both sides
(2), it is characterised in that：The crossbeam and energy-absorption box make for aluminium alloy extrusions, and the cross sectional shape of crossbeam is similar to ware font, crossbeam
Including shell and stud (1-5), it is equipped at the antetheca (1-1) of crossbeam shell and is grown to the antetheca for extending to crossbeam both ends along crossbeam
Guiding groove (1-1-1), the stud are 1-3 items, and the both ends of each stud are respectively and fixedly connected with the antetheca and rear wall (1-2) of shell.
2. the aluminium alloy collision prevention girders according to claim 1 for kart, it is characterised in that：The energy-absorption box is square
Body, is respectively equipped with several crumple holes (2-1) on four seamed edges of energy-absorption box, the spacing M in adjacent crumple hole on same seamed edge
It it is 25-50 millimeters, the distance N close to the crumple pitch-row crossbeam of crossbeam is 20-40mm, and the radius in crumple hole is 3-8 millimeters.
3. the aluminium alloy collision prevention girders according to claim 2 for kart, it is characterised in that：The rear wall of shell it is upper
Lower both sides are separately connected upper overturning (1-3), lower flange (1-4), and lower flange is equipped with resigning breach (1-4-1), upper and lower flange
Thickness H is 1-3 millimeters.
4. the aluminium alloy collision prevention girders according to claim 3 for kart, it is characterised in that：The knot of two energy-absorption boxes
Structure is identical, can be interchanged, and 2-4 crumple hole is respectively set on each seamed edge of each energy-absorption box.
5. the aluminium alloy collision prevention girders according to claim 4 for kart, it is characterised in that：Antetheca guiding groove is cut
Face shape is trapezoidal, and the groove width E of antetheca guiding groove is 5-50mm, and groove depth C is 1-10mm.
6. the aluminium alloy collision prevention girders according to claim 5 for kart, it is characterised in that：Each energy-absorption box it is transversal
Face shape is stud, and energy-absorption box reinforcing rib (2-2) is equipped in energy-absorption box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721632504.0U CN207631181U (en) | 2017-11-29 | 2017-11-29 | A kind of aluminium alloy collision prevention girders for kart |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721632504.0U CN207631181U (en) | 2017-11-29 | 2017-11-29 | A kind of aluminium alloy collision prevention girders for kart |
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| CN207631181U true CN207631181U (en) | 2018-07-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111516627A (en) * | 2020-04-15 | 2020-08-11 | 吉利汽车研究院（宁波）有限公司 | Energy absorption box, energy absorption performance optimization method and automobile |
| CN111994026A (en) * | 2020-07-17 | 2020-11-27 | 上海凌云工业科技有限公司凌云汽车技术分公司 | Modified material automobile anti-collision beam with improved structural strength and energy absorption effect |
| WO2022109798A1 (en) * | 2020-11-24 | 2022-06-02 | 武汉路特斯汽车有限公司 | Rear anti-collision beam |
-
2017
- 2017-11-29 CN CN201721632504.0U patent/CN207631181U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111516627A (en) * | 2020-04-15 | 2020-08-11 | 吉利汽车研究院（宁波）有限公司 | Energy absorption box, energy absorption performance optimization method and automobile |
| CN111994026A (en) * | 2020-07-17 | 2020-11-27 | 上海凌云工业科技有限公司凌云汽车技术分公司 | Modified material automobile anti-collision beam with improved structural strength and energy absorption effect |
| CN111994026B (en) * | 2020-07-17 | 2024-05-17 | 上海凌云工业科技有限公司凌云汽车技术分公司 | Modified material automobile anti-collision beam for improving structural strength and energy absorption effect |
| WO2022109798A1 (en) * | 2020-11-24 | 2022-06-02 | 武汉路特斯汽车有限公司 | Rear anti-collision beam |
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