CN209290498U - A kind of anti-collision beam with high bending resistance energy - Google Patents
A kind of anti-collision beam with high bending resistance energy Download PDFInfo
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- CN209290498U CN209290498U CN201821577571.1U CN201821577571U CN209290498U CN 209290498 U CN209290498 U CN 209290498U CN 201821577571 U CN201821577571 U CN 201821577571U CN 209290498 U CN209290498 U CN 209290498U
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- beam body
- reinforcer
- bending resistance
- collision
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Abstract
A kind of anti-collision beam with high bending resistance energy, it is made of cross-beam body and reinforcer, the cross-beam body is by constituting closed housing after pairing welding after steel strip roll forming, the cross section outline shape of cross-beam body is rectangle, the antetheca of cross-beam body is equipped with front wall notch at three from top to bottom, reinforcer is located in the middle part of cross-beam body, and reinforcer both ends respectively connect the antetheca of cross-beam body, rear wall, constitutes two cavitys up and down.The utility model is compared with traditional Type B anti-collision beam, and flexing resistance improves about 56% under equivalent weight;Under same anti-bending strength, weight can reduce about 30.8%, and bending resistance weight loss effect is obvious, meet the demand for development of current automotive light weight technology, high security.
Description
Technical field
The utility model relates to a kind of automobile safety components, especially the anti-collision beam with high bending resistance energy.
Background technique
The environmental issue brought with the safety problem for being continuously increased automobile and automobile of car ownership is increasingly
It is taken seriously.While energy saving, the feature of environmental protection, reduction fuel consumption and the reduction discharge for improving automobile, the peace of automobile is improved
Full performance is the emphasis of automobile manufacturing enterprise research and development.Vehicle safety cannot be ignored while paying close attention to automotive light weight technology, wherein hair
The safety for protecting occupant when raw car crass to greatest extent is direction that each main engine plants make great efforts.When automobile positive collides, reasonably
Front anti-collision beam structure can effectively absorb impact energy, reduce the damage of crew module and body structure.Front anti-collision beam structure is just
Anti-bending strength when face is collided is the important measurement index of vehicle safety performance.Front anti-collision beam includes anti-collision beam and energy-absorption box,
Anti-collision beam is the main bending resistance part of front anti-collision beam, and cross section structure and crooked radian directly affect anti-bending strength.Currently, more
The most commonly used is the anti-collision beams that a kind of section is B shape, and this section shape flexing resistance is relatively good, but is not dominant in weight.By vapour
The limitation of vehicle outer dimension improves existing anti-collision beam section shape when anti-collision beam crooked radian can not change, and searching can expire
The collision dynamics performance of sufficient front anti-collision beam and the anti-collision beam section of energy loss of weight appropriate are the important topics of insider's research.
Utility model content
The utility model provides a kind of anti-collision beam with high bending resistance energy, optimization of the anti-collision beam through section shape
Design, can effectively mitigate self weight while with excellent anti-bending strength.
Problem described in the utility model is realized with following technical proposals:
A kind of anti-collision beam with high bending resistance energy, is made of, the cross-beam body is by steel cross-beam body and reinforcer
Closed housing is constituted after band roll-forming after pairing welding, the cross section outline shape of cross-beam body is rectangle, cross-beam body
Antetheca is equipped with front wall notch at three from top to bottom, and reinforcer is located in the middle part of cross-beam body, and reinforcer both ends are respectively by cross-beam body
Antetheca, rear wall connection, constitute up and down two cavitys.
It is above-mentioned with high bending resistance can anti-collision beam, the pairing pad of cross-beam body be located at cross-beam body upper wall or
At lower wall, the rear wall of cross-beam body is equipped with back wall notch, and back wall notch is corresponding with centrally located front wall notch.
The above-mentioned anti-collision beam with high bending resistance energy, the both ends of the reinforcer are equipped with matched with groove outline shape
Groove connecting pin, groove connecting pin and front wall notch, back wall notch bond.
The above-mentioned anti-collision beam with high bending resistance energy, the reinforcer are " п " shape, and strengthening segment both ends are equipped with adding for bending
Strong part end stand, reinforcer end stand respectively with front wall notch, back wall notch soldering.
The above-mentioned anti-collision beam with high bending resistance energy, the pairing pad of cross-beam body are located at the rear wall of cross-beam body,
The reinforcer is bent by the one end for constituting cross-beam body steel band to be extended, and reinforcer tail end is vertically bent and middle position
Front wall notch soldering constitutes the other end bending and strengthening segment soldering at rear wall of cross-beam body steel band.
The above-mentioned anti-collision beam with high bending resistance energy, the pairing pad of cross-beam body are located at the rear wall of cross-beam body,
One end of the reinforcer is the reinforcer end stand of flat end, the other end equipped with bending, constitutes the both ends pair of cross-beam body steel band
Claim bending that the flat end of reinforcer is clamped soldering, the front wall notch soldering of reinforcer end stand and middle position.
The above-mentioned anti-collision beam with high bending resistance energy, all bending parts of the cross-beam body are equipped with transition circle
Angle.
Anti-collision beam described in the utility model includes cross-beam body and reinforcer, and cross-beam body is at its front wall design three
Groove, every place's groove can play the role of reinforcing rib, promote the intensity and stiffness of anti-collision beam on the whole.Further
It is that reinforcer is provided between the antetheca, rear wall of anti-collision beam, the supporting role of reinforcer can greatly improve anti-collision beam
Anti-bending strength.The utility model is compared with traditional B font anti-collision beam, and flexing resistance improves about 56% under equivalent weight;?
Under same anti-bending strength, weight can reduce about 30.8%, and bending resistance weight loss effect is obvious, meet current automotive light weight technology, Gao An
The demand for development of full property.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the structural schematic diagram of the utility model first embodiment section shape;
Fig. 3 is the utility model first embodiment manufacturing process schematic diagram;
Fig. 4 is the structural schematic diagram of the utility model the second embodiment section shape;
Fig. 5 is the utility model the second embodiment manufacturing process schematic diagram;
Fig. 6 is the structural schematic diagram of the utility model third embodiment section shape;
Fig. 7 is the structural schematic diagram of the 4th embodiment section shape of the utility model;
Fig. 8 be etc. weight traditional anti-collision beam and the utility model anti-collision beam anti-bending strength comparison diagram.
Each list of reference numerals in figure are as follows: 1, cross-beam body, 1-1, front wall notch, 1-2, back wall notch, 2, reinforcer are 2-1, recessed
Slot connecting pin, 2-2, reinforcer end stand
Specific embodiment
Referring to Fig. 1, the utility model includes cross-beam body 1 and reinforcer 2, and cross-beam body is by steel band roll-in, local soldering
The methods of be made.Cross-beam body is integrally arc-shaped, and the cross section outline shape of cross-beam body is rectangle, the antetheca of cross-beam body from
Up to front wall notch 1-1 at three is had, front wall notch is dovetail groove, and front wall notch forms three in the front of anti-collision beam at three
Locate reinforcing rib, effectively promotes the intensity and stiffness of anti-collision beam antetheca.Reinforcer is located in the middle part of cross-beam body, and reinforcer is by anticollision
Crossbeam is divided into two closed lumens.The effect of reinforcer be it is vital, it directly can by the antetheca of anti-collision beam, rear wall
By support, hence it is evident that improve the anti-bending strength of anti-collision beam.(front, rear, top, and bottom alleged by the utility model are the dresses according to anti-collision beam
Depending on state)
Referring to Fig. 2, this is the first embodiment of the utility model, and the pairing of the embodiment cross-beam body welds point
At the upper wall or lower wall of cross-beam body, the rear wall of cross-beam body is equipped with back wall notch 1-2, and back wall notch is dovetail groove, rear wall
Groove is corresponding with centrally located front wall notch position, and back wall notch, which is equivalent to, is arranged reinforcing rib in rear wall, to be promoted
The mechanical property of rear wall.The both ends of reinforcer be equipped with the matched groove connecting pin 2-1 of groove outline shape, groove connecting pin with
Front wall notch, back wall notch bonding.The embodiment, reinforcer can be using the higher steel alloy production of intensity, groove connections
End can further promote front wall notch after matching bonding with front wall notch, back wall notch, the reinforcing rib of back wall notch acts on.Fig. 3
It is shown the manufacturing process schematic diagram of the embodiment, cross-beam body is after roll-in basic forming, by the groove at reinforcing rib both ends
Connecting pin gluing matches bonding with front wall notch, back wall notch, then will constitute the steel band both ends of cross-beam body in cross-beam body
Upper wall or lower wall at pairing welding.
Referring to Fig. 4, this is second embodiment of the utility model, and the pairing of the embodiment cross-beam body welds point
At the upper wall or lower wall of cross-beam body, the rear wall of cross-beam body is equipped with back wall notch 1-2, back wall notch with it is centrally located
Front wall notch position it is corresponding.Reinforcer is " п " shape, and strengthening segment both ends are equipped with the reinforcer end stand 2-2 of bending, the present embodiment
Reinforcer uses steel stamping part, and reinforcer end stand is respectively with front wall notch, back wall notch by laser welding soldering, before promotion
The reinforcing rib effect of wall groove, back wall notch.Fig. 5 show the manufacturing process schematic diagram of the embodiment, before cross-beam body
After wall groove, back wall notch roll-forming by the reinforcement end stand end of the side of reinforcer and back wall notch (or before middle position
Wall groove) soldering, roll-in is then proceeded to forming, by the reinforcement end stand of the other side of reinforcer and the front wall notch in middle position
(or back wall notch) soldering, while pairing is welded at the upper wall or lower wall of cross-beam body by the steel band both ends for constituting cross-beam body
It connects.
Referring to Fig. 6, this is the third embodiment of the utility model, and the pairing of the embodiment cross-beam body welds point
In the middle part of the rear wall of cross-beam body, one end of reinforcer is the reinforcer end stand 2-2 of flat end, the other end equipped with bending.It constitutes
The both ends of cross-beam body steel band, which are symmetrically bent, clamps soldering, the antetheca of reinforcer end stand and middle position for the flat end of reinforcer
Groove soldering.The present embodiment is not provided with back wall notch, after the both ends of steel band and flat end clamping soldering position are constituted at rear wall
Wall reinforcing rib.The manufacturing process of the present embodiment is similar to the above embodiments, is not repeated herein.
Referring to Fig. 7, this is the 4th embodiment of the utility model, and the pairing of the embodiment cross-beam body welds point
In the rear wall of cross-beam body.The reinforcer is bent by the one end for constituting cross-beam body steel band to be extended, and reinforcer tail end is perpendicular
To the front wall notch soldering of bending and middle position;The other end for constituting cross-beam body steel band is laterally bent with reinforcer after
Soldering at wall, this bonding point are equivalent to the effect of back wall notch, therefore are not provided with back wall notch.The embodiment nipping process without
The welding or bonding of reinforcer need to be carried out, the direct roll-in of reinforcing rib comes out, and production efficiency is higher.
All bending parts of the utility model anti-collision beam section shape are equipped with knuckle.
Referring to Fig. 8, comparative test show etc. the materials such as weight under conditions of, the anti-bending strength of the utility model crossbeam
It is higher than traditional B font crossbeam about 56%.In other words, when the two flexing resistance is suitable, the lightweight of the utility model crossbeam is excellent
Gesture is obvious.
Claims (7)
1. a kind of anti-collision beam with high bending resistance energy, it is characterised in that: be made of cross-beam body (1) and reinforcer (2), institute
It is square that cross-beam body, which is stated, by constituting closed housing, the cross section outline shape of cross-beam body after pairing welding after steel strip roll forming
Shape, the antetheca of cross-beam body are equipped with front wall notch at three from top to bottom, and reinforcer is located in the middle part of cross-beam body, reinforcer both ends point
The antetheca of cross-beam body, rear wall are not connected, constitute two cavitys up and down.
2. the anti-collision beam according to claim 1 with high bending resistance energy, it is characterised in that: the pairing of cross-beam body is welded
Contact is located at the upper wall or lower wall of cross-beam body, and the rear wall of cross-beam body is equipped with back wall notch, back wall notch and positioned at centre
The front wall notch of position is corresponding.
3. the anti-collision beam according to claim 2 with high bending resistance energy, it is characterised in that: the both ends of the reinforcer
Equipped with the matched groove connecting pin (2-1) of groove outline shape, groove connecting pin and front wall notch, back wall notch bond.
4. the anti-collision beam according to claim 2 with high bending resistance energy, it is characterised in that: the reinforcer is " п "
Shape, strengthening segment both ends be equipped with bending reinforcer end stand (2-2), reinforcer end stand respectively with front wall notch, back wall notch soldering.
5. the anti-collision beam according to claim 1 with high bending resistance energy, it is characterised in that: the pairing of cross-beam body is welded
Contact is located at the rear wall of cross-beam body, and the reinforcer is bent by the one end for constituting cross-beam body steel band to be extended, reinforcer
Tail end is vertically bent with the front wall notch soldering in middle position, and the other end bending for constituting cross-beam body steel band is close with strengthening segment
Soldering at rear wall.
6. the anti-collision beam according to claim 1 with high bending resistance energy, it is characterised in that: the pairing of cross-beam body is welded
Contact is located at the rear wall of cross-beam body, and one end of the reinforcer is the reinforcer end stand of flat end, the other end equipped with bending, structure
It is symmetrically bent at the both ends of cross-beam body steel band and the flat end of reinforcer is clamped into soldering, before reinforcer end stand and middle position
Wall groove soldering.
7. the according to claim 1, anti-collision beam with high bending resistance energy described in 2,3,4,5 or 6, it is characterised in that: described
All bending parts of cross-beam body are equipped with knuckle.
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CN201821577571.1U CN209290498U (en) | 2018-09-26 | 2018-09-26 | A kind of anti-collision beam with high bending resistance energy |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111845942A (en) * | 2020-06-11 | 2020-10-30 | 上海凌云工业科技有限公司凌云汽车技术分公司 | Steel plate tailor-welded automobile crossbeam |
WO2022109798A1 (en) * | 2020-11-24 | 2022-06-02 | 武汉路特斯汽车有限公司 | Rear anti-collision beam |
-
2018
- 2018-09-26 CN CN201821577571.1U patent/CN209290498U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111845942A (en) * | 2020-06-11 | 2020-10-30 | 上海凌云工业科技有限公司凌云汽车技术分公司 | Steel plate tailor-welded automobile crossbeam |
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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