CN205022703U - Automobile threshold's energy -absorbing box structure - Google Patents

Automobile threshold's energy -absorbing box structure Download PDF

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Publication number
CN205022703U
CN205022703U CN201520652136.0U CN201520652136U CN205022703U CN 205022703 U CN205022703 U CN 205022703U CN 201520652136 U CN201520652136 U CN 201520652136U CN 205022703 U CN205022703 U CN 205022703U
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China
Prior art keywords
energy
flange
absorption box
box structure
absorbing box
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CN201520652136.0U
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Inventor
孙风蔚
范全晓
张强
姜岸柳
孙立强
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Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd
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Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd
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Abstract

The utility model provides an automobile threshold's energy -absorbing box structure belongs to mechanical technical field. It is not good that it has solved current energy -absorbing box structure energy -absorbing effect, the complicated scheduling problem of processing technology. The setting of this energy -absorbing box is on the A post and be located between A post and the wheel, and energy -absorbing box structure includes the atress board, the atress board including be platelike body and by body each border all to the turn -ups no. 1 of the lateral buckling formation of body, contained angle between turn -ups no. 1 and the body is the obtuse angle. The automobile collides the in -process at the forward, on the masterpiece is used in the tire, and energy -absorbing box on the tire striking A post, on the impact can be used in the atress board of energy -absorbing box, the atress board was to the motion of a turn -ups orientation, in masterpiece turn -ups ulcerate deformation of contracting under with, produced the resistance impact of contending with at this in -process turn -ups for a moment to play the cushioning effect. This structrual installation can directly not impact the threshold at the energy transfer in -process on car A post, the buffer protection effect is better, and simple structure, is favorable to processing production.

Description

A kind of energy-absorption box structure of automobile door sill
Technical field
The utility model belongs to field of mechanical technique, relates to the energy-absorption box structure of a kind of energy-absorption box structure, particularly a kind of automobile door sill.
Background technology
In society, along with the progressively raising of expanding economy people social life level, the use amount of customer to automobile increases gradually, and motor traffic accidents also gets more and more.People require more and more higher to vehicle safety.Therefore the improvement of vehicle safety performance is explored and constantly carrying out.
During existing many auto againsts, wheel directly can contact with the threshold of crew module, and impulsive force directly transmits crew module by wheel, causes wheel to be absorbed in crew module, makes the leg of passenger be stuck in car cabin, causes great threat to the leg of chaufeur and passenger.
For above-mentioned Problems existing, people develop various automatic buffer structure, the injury to people during for slowing down automobile impacting:
As Chinese patent application, (application number: 201220464805.8) disclose a kind of threshold front end buffer structure, comprising cross-sectional plane is polygonal tubular box body, and the lateral surface of described box body is provided with the energy-absorbing groove of some inside fillings.When colliding, automobile front wheel contacts with box body, and box body is collided impulsive force, conquassation distortion is there is under the guiding of energy-absorbing groove, absorb the impact energy that front vehicle wheel reaches threshold, reduce front vehicle wheel to the intrusion volume of crew module, thus reduce the injury to front-row occupant leg.
Although said structure to some extent solves the defect that traditional vehicle body exists, but still there is following defect: 1, this buffer structure is arranged on threshold front end, when clashing into, after buffering, power still can act on threshold, although energy-absorbing groove can reduce under guiding to impact, and poor effect.2, the complex structure processing technology of energy-absorbing groove is loaded down with trivial details, inefficiency.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, and propose a kind of energy-absorption box structure of automobile door sill, technical problem to be solved in the utility model is: design a kind of structure more simple, the buffering energy-absorbing box of good buffer effect.
A kind of energy-absorption box structure of automobile door sill is characterized in that, comprise stressed plate, the flange one that described stressed plate comprises the body in tabular and is all bent to form to the side of described body by each edge of body, form box like structure between described body and flange one, the angle between described flange one and body is obtuse angle.
This energy-absorption box structure installment is on the A post of automobile and between A post and wheel, automobile is in forward collision process, masterpiece is used on tire, the stressed rear crimp of vehicle tyre, tire clashes into the energy-absorption box on A post, and impact can act on the body of the stressed plate of energy-absorption box, body moves to flange one direction, flange one crumple distortion under power effect, flange produces resistance for a moment and to contend with impact in this process, thus plays buffer action.Angle between flange one and body is designed to obtuse angle, and impact to act on after on stressed plate and more easily crumple energy-absorbing to occur, buffering effective.Most of power that this energy-absorption box structure produces in forward can being collided absorbs; remaining fraction is delivered to base plate by A post and lays down most power; avoid tire and directly extrude threshold; reduce the energy be delivered on threshold; play protection threshold trim board not to be destroyed, thus reach the effect of protection passenger safety.And forming box like structure between body and flange one, this structure is on the one hand by simultaneous manufacturing simple process, and box-like structure has good energy-absorbing effect on the other hand.
In the energy-absorption box structure of above-mentioned automobile door sill, the angle between described flange one and body is 90 ° ~ 135 °.
In loading process, the stressed meeting of flange one outwards turns down, thus the angle between flange one and body is increased, so the original angle between flange one and body can affect energy-absorption box buffer capacity, can ensure that buffer pocket has good buffering effect when flange one remains on 90 ° ~ 135 ° with the angle of body.
In the energy-absorption box structure of above-mentioned automobile door sill, be arc transition between described flange one and body.
The deformation that angle increases can be produced between flange one and body in loading process, adopt circular arc excessive between flange one and body, decrease stress on the one hand to concentrate, avoid rupturing between the body of energy-absorption box in loading process and flange one, affect buffering effect.On the other hand, this structure of arc transition has good ductility, and increasing at stressed arc radius afterwards the effect playing buffering, is that buffering effect is better.
In the energy-absorption box structure of above-mentioned automobile door sill, between two adjacent flange one, there is gap.
Angle in collision process between body and flange one will constantly increase generation deformation, there is gap between two adjacent flange one and can to ensure between flange one and stressed plate that angle can deformation completely, increase to extreme value, such energy produces enough large resistance, reach better buffering effect, and technique is simple, easy to make, work efficiency is high.
In the energy-absorption box structure of above-mentioned automobile door sill, one end that described flange one is not connected with body outwards turns down and forms flange two.
In installation fixation procedure, in order to be more firmly fixed on by energy-absorption box on A post, outwards turn down flange two in one end of flange one, utilize flange two can carry out welding or other multiple fixed forms, energy-absorption box being fixedly mounted on A post.Flange two is large-area simultaneously bears the power acted on flange one, and area of thrust surface increase pressure and reduce, and enhance energy-absorption box stress-bearing capability, make energy-absorption box have good energy-absorbing effect.
In the energy-absorption box structure of above-mentioned automobile door sill, be arc transition between described flange one and flange two.
The deformation that angle increases can be produced between flange one and flange two in loading process, adopt circular arc excessive between flange one and flange two, decrease stress on the one hand to concentrate, avoid rupturing between the flange one of energy-absorption box in loading process and flange two, affect buffering effect.On the other hand, this structure of arc transition has good ductility, increases play good buffer action at stressed arc radius afterwards.
In the energy-absorption box structure of above-mentioned automobile door sill, the cross section of described body is in square, and shape, the size of each flange one are all identical.
The stressed plate of energy-absorption box is designed to square, and the power of energy-absorption box in loading process suffered by each flange one is identical, thus it is identical that flange one stress and deformation is also close to, and ensures that energy-absorption box has good cushion characteristic.
In the energy-absorption box structure of above-mentioned automobile door sill, described body, flange one and flange two all adopt metallic material one-body molded.
Employing metallic material is one-body molded, makes energy-absorption box have good cushion characteristic on the one hand, and on the other hand, the processing mode of integrated molding, technique is simple, and work efficiency is high, has saved cost.
Compared with prior art, the structure design of this threshold energy-absorption box has the following advantages:
1, this structure installment is on automobile A column, directly can not strike threshold in energy transfer process, and buffer protection effect is better.
2, this structure is box-like energy-absorption box structure, conquassation distortion occurs after stressed, thus absorbs impact, have the effect of comfort cushioning energy-absorbing, is conducive to protecting automobile door sill.
3, this structure is simple, and processing technology is succinct.
Accompanying drawing explanation
Fig. 1 is the block diagram of the energy-absorption box structure of this automobile door sill.
Fig. 2 is the front elevation of the energy-absorption box structure of this automobile door sill.
Fig. 3 is the birds-eye view of the energy-absorption box structure of this automobile door sill.
In figure, 1, stressed plate; 2, flange two; 3, flange one; 4, gap; 5, body.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figures 1 to 3; the energy-absorption box structure installment of this automobile door sill is on A post and between A post and wheel; in knockout process; impact force action is on tire, and tire force extruding energy-absorption box, in energy conduction process; clash into the impulsive force produced and directly can not extrude threshold; reduce the energy be delivered on threshold, play the effect that protection threshold trim board is not destroyed, thus the safety of protection passenger.
Energy-absorption box structure comprises stressed plate 1, the flange 1 that stressed plate comprises body 5 and is bent to form by the side of body 5 described in each edge of body 5, in the present embodiment, body 5 is square, shape, the size of each flange 1 are all identical, between flange 1 and body 5, angle is that obtuse angle angular range is between 90 ° ~ 135 °, be arc transition between the flange 1 be bent to form and body 5, between two adjacent flange 1, there is gap 4.
The impact produced during shock can act on the body 5 of the stressed plate 1 of energy-absorption box, body 5 can produce conquassation of subsiding, and body 5 is designed to square, and flange 1 shape size is identical, this design makes each flange 1 uniform force, makes buffer pocket also more stable while increase buffer capacity.
In loading process, flange 1 can increase until flange 1 is by conquassation with the angle of body 5, flange 1 can produce resistance and to contend with impact in this process, thus play buffer action, therefore the angle between body 5 and flange 1 can have an impact to buffer pocket buffer capacity, can ensure that buffer pocket has good buffering effect when flange 1 remains on 90 ° ~ 135 ° with the angle of body 5.
In order to ensure that energy-absorption box has good ductility, thus produce better energy-absorbing effect, adopt circular arc excessive by between flange 1 and body 5, this design decreases stress on the one hand and concentrates, avoid rupturing between the body 5 of energy-absorption box in loading process and flange 1, affect buffering effect.On the other hand, this structure of arc transition has good ductility, increase at stressed arc radius afterwards and play good buffer action, be designed to that there is gap 4 by between two adjacent flange 1 simultaneously, this design can ensure that between flange 1 and body 5, angle can increase to extreme value, produce enough large resistance, reach better buffering effect.
One end that flange 1 is not connected with body 5 outwards turns down and forms flange 22, is arc transition between flange 1 and flange 22.Described body 5, flange 1 and flange 22 all adopt metallic material one-body molded.
In installation fixation procedure, in order to energy-absorption box being more firmly fixed on A post, flange 22 is outwards turned down in one end of flange 1, utilize flange 22 can carry out welding or other multiple fixed forms, energy-absorption box is fixedly mounted on A post, flange 22 is large-area simultaneously bears the power acted on flange 1, enhances energy-absorption box stress-bearing capability, makes energy-absorption box have good energy-absorbing effect.
The deformation that angle increases can be produced between flange 1 and flange 22 in loading process, adopt circular arc excessive between flange 1 and flange 22, decrease stress on the one hand to concentrate, avoid rupturing between the flange 1 of energy-absorption box in loading process and flange 22, affect buffering effect.On the other hand, this structure of arc transition has good ductility, increases play good buffer action at stressed arc radius afterwards.In the selection of material, select the metallic material with good rigidity and ductility, larger impulsive force can be stood on the one hand, good buffering effect can be ensured on the other hand.In the course of processing, the processing mode of integrated molding, technique is simple, and work efficiency is high, has saved cost.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.

Claims (8)

1. the energy-absorption box structure of an automobile door sill, it is characterized in that, comprise stressed plate (1), the flange one (3) that described stressed plate (1) comprises the body (5) in tabular and is all bent to form to the side of described body (5) by body (5) each edge, form box like structure between described body (5) and flange one (3), the angle between described flange one (3) and body (5) is obtuse angle.
2. the energy-absorption box structure of automobile door sill according to claim 1, is characterized in that, the angle between described flange one (3) and body (5) is 90 ° ~ 135 °.
3. the energy-absorption box structure of automobile door sill according to claim 1 and 2, is characterized in that, is arc transition between described flange one (3) and body (5).
4. the energy-absorption box structure of automobile door sill according to claim 3, is characterized in that, has gap (4) between two adjacent flange one (3).
5. the energy-absorption box structure of automobile door sill according to claim 4, is characterized in that, one end that described flange one (3) is not connected with body (5) outwards turns down and forms flange two (3).
6. the energy-absorption box structure of automobile door sill according to claim 5, is characterized in that, is arc transition between described flange one (3) and flange two (3).
7. the energy-absorption box structure of automobile door sill according to claim 4, is characterized in that, the cross section of described body (5) is in square, and shape, the size of each flange one (3) are all identical.
8. the energy-absorption box structure of automobile door sill according to claim 5, is characterized in that, described body (5), flange one (3) and flange two (2) all adopt metallic material one-body molded.
CN201520652136.0U 2015-08-26 2015-08-26 Automobile threshold's energy -absorbing box structure Active CN205022703U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520652136.0U CN205022703U (en) 2015-08-26 2015-08-26 Automobile threshold's energy -absorbing box structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520652136.0U CN205022703U (en) 2015-08-26 2015-08-26 Automobile threshold's energy -absorbing box structure

Publications (1)

Publication Number Publication Date
CN205022703U true CN205022703U (en) 2016-02-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520652136.0U Active CN205022703U (en) 2015-08-26 2015-08-26 Automobile threshold's energy -absorbing box structure

Country Status (1)

Country Link
CN (1) CN205022703U (en)

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