CN207328603U - A kind of reinforcing plate for longitudinal beam of automobile - Google Patents
A kind of reinforcing plate for longitudinal beam of automobile Download PDFInfo
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- CN207328603U CN207328603U CN201721212137.9U CN201721212137U CN207328603U CN 207328603 U CN207328603 U CN 207328603U CN 201721212137 U CN201721212137 U CN 201721212137U CN 207328603 U CN207328603 U CN 207328603U
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- longitudinal beam
- reinforcing plate
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Abstract
The utility model provides a kind of reinforcing plate for longitudinal beam of automobile, belongs to automobile technical field.It solves existing front longitudinal reinforcing plate and sufficient conquassation deformation occurs during vehicle body collides, but the problem of front longitudinal bending can not be guided to deform.This reinforcing plate for longitudinal beam of automobile, including bottom plate and a side plate, the outer end of the side plate is provided with flange, and through hole is offered on the flange, the front end of the longitudinal beam reinforcing plate, which has, to tilt to the lateral surface direction of bottom plate and sets relative to the forwardly convex expanding part in the front end of flange, the expanding part.Guiding is played the role of in bending of the expanding part to longitudinal beam reinforcing plate; bump stress is concentrated at the bar hole on longitudinal beam reinforcing plate; so that bending deformation counterclockwise occurs about the z axis for longitudinal beam reinforcing plate and automobile front longitudinal beam; and then change the direction of impact; it is effective to absorb the energy hit; reduce front panel intrusion volume, be conducive to the protection of occupant.
Description
Technical field
The utility model belongs to automobile technical field, is related to a kind of automobile longitudinal girder, particularly a kind of reinforcing plate for longitudinal beam of automobile.
Background technology
When head-on crash occurs for vehicle, substantial amounts of energy can be produced, forward engine room longeron is as the most important change of front part of vehicle
Shape energy-absorbing and force transferring structure, the impact load of crew module is transferred to for absorbing collision energy, decomposition and reduction.Longitudinal beam reinforcing plate
It is a kind of component for the energy-absorbing modes and the energy absorption ability for improving front longitudinal for being connected to and improving front longitudinal on longeron so that vehicle is sent out
The energy that raw head-on crash passes to crew module is smaller, and the injury to occupant is also smaller.
At present, Chinese patent discloses a kind of front longitudinal reinforcing plate, front longitudinal assembly and automobile (application number：
201510438391.X), it includes front longitudinal reinforcing plate, and the front longitudinal reinforcing plate includes the first energy-absorbing section and strengthening segment, institute
Stating the first energy-absorbing section has groove structure, and the length direction of the groove is perpendicular to the length direction of the first energy-absorbing section, institute
Stating the first energy-absorbing section includes multiple groove structures, and multiple groove structures are arranged at intervals, the slot bottom of the groove structure
Width be less than the groove structure opening width, the cross section of the groove structure is v-shaped structure or trapezium structure.
During vehicle body collides, groove structure can occur sufficient conquassation and become above-mentioned front longitudinal reinforcing plate
Shape, so as to reduce the deflection of longeron body back segment, but can not guide front longitudinal bending to deform, if car body collision acceleration
Larger, the direct transfers of impact load to front panel, cause the intrusion volume of front panel big, are unfavorable for occupant injury protection.
The content of the invention
The purpose of this utility model is that there are the above problem for existing technology, it is proposed that a kind of automobile longitudinal girder is strengthened
Plate, the technical problem that the utility model solves are：How longitudinal beam reinforcing plate bending deformation is induced during vehicle collides.
The purpose of this utility model can be realized by following technical proposal：A kind of reinforcing plate for longitudinal beam of automobile, the longeron
Reinforcing plate includes bottom plate and side plate, it is characterised in that the outer end of the side plate is provided with flange, is offered on the flange logical
Hole, the front end of the longitudinal beam reinforcing plate have relative to the forwardly convex expanding part in the front end of flange, and the expanding part is to longeron
The lateral surface direction of reinforcing plate, which tilts, to be set.
Above-mentioned longitudinal beam reinforcing plate is connected on automobile front longitudinal beam, also has flange on automobile front longitudinal beam, on longitudinal beam reinforcing plate
Flange and automobile front longitudinal beam on flanging welded connection.Flange on longitudinal beam reinforcing plate and side plate are by being welded to connect or one
Shaping, by setting bar hole on flange and setting expanding part in the front end of longitudinal beam reinforcing plate, the position of bar hole is longeron
The weak portion of reinforcing plate, during vehicle collides, axial impact is acted on expanding part, since expanding part is the bottom of to
The lateral surface direction of plate, which tilts, to be set, and guiding is played the role of in the bending to longitudinal beam reinforcing plate, and bump stress concentrates on longeron and adds
At bar hole on strong plate so that bending deformation counterclockwise occurs about the z axis for longitudinal beam reinforcing plate and automobile front longitudinal beam, and then changes and hit
The direction of power is hit, it is effective to absorb the energy hit so that impact load is transferred to the little energy in front panel, reduces front panel
Intrusion volume, is conducive to the protection of occupant.
In a kind of above-mentioned reinforcing plate for longitudinal beam of automobile, the induction at the position of through hole with indent is corresponded on the side plate
Groove.By setting induction groove to increase the weak portion on longitudinal beam reinforcing plate, during vehicle collides, bump stress is concentrated
At through hole and induction groove on longitudinal beam reinforcing plate, the inducing effect to longitudinal beam reinforcing plate bending deformation is improved.
In a kind of above-mentioned reinforcing plate for longitudinal beam of automobile, bar hole is offered along its width on the side plate, it is described
Through hole is connected with bar hole.Increase the weak portion on longitudinal beam reinforcing plate by setting bar hole on side plate, occur in vehicle
During collision, bump stress concentrates on bar hole and through hole on longitudinal beam reinforcing plate, improves to longitudinal beam reinforcing plate bending
The inducing effect of deformation.
In a kind of above-mentioned reinforcing plate for longitudinal beam of automobile, along its length and to the medial surface of bottom plate on the bottom plate
Reinforcing rib is convexed to form, the width of the reinforcing rib leading portion is gradually reduced from front to back, and the width of the reinforcing rib back segment is not
Become, the width mutated site on the reinforcing rib is corresponding with the position of bar hole.By setting reinforcing rib to improve longeron first
The structural strength of reinforcing plate entirety so that it can bear larger impact load when vehicle collides, effective to absorb
Collision energy；Secondly the width mutated site on reinforcing rib is a weak portion on longitudinal beam reinforcing plate, the width on the reinforcing rib
Degree mutated site causes have the function that to induce bottom plate bending when vehicle collides.
In a kind of above-mentioned longitudinal beam reinforcing plate, the through hole is set in strip and along the width of flange.By through hole
Set and ensure that bump stress is concentrated on the length direction of through hole in strip, be conducive to the bending deformation of longitudinal beam reinforcing plate.
In a kind of above-mentioned longitudinal beam reinforcing plate, the width of the through hole is from one end by proximal panel to one away from side plate
Extreme direction gradually increases.The structure that through hole the inner is narrow, outer end is wide further effectively induces longitudinal beam reinforcing plate bending deformation.
In a kind of above-mentioned reinforcing plate for longitudinal beam of automobile, the through hole is trapezoidal hole or tri-angle-holed.
In a kind of above-mentioned reinforcing plate for longitudinal beam of automobile, corresponded on the flange at the position of through hole to the width side of flange
To convex edge is extended to form, one end away from side plate is extended on convex edge on the through hole.The length of through hole is more than the width of flange,
Therefore the through hole extended on convex edge can be as the hitch point of automotive wire bundle parts.
In a kind of above-mentioned reinforcing plate for longitudinal beam of automobile, the through hole is arranged on the middle part of flange.Through hole can be arranged on
Optional position on flange, is preferably arranged on the middle part of flange, ensures that the leading portion of longitudinal beam reinforcing plate comes with enough length
The structure of front longitudinal is strengthened and absorbs energy caused by vehicle collision.
Compared with prior art, the longitudinal beam reinforcing plate of the utility model has the following advantages：It is logical by being set on flange
Hole, set induction groove on side plate and width mutated site set on reinforcing rib so that has on longitudinal beam reinforcing plate at three
Weak portion, and the position in this weak portion at three is corresponding, during vehicle collides, impact is acted on expanding part, outside
The guiding longitudinal beam reinforcing plate bending deformation of expansion portion, the three of width mutated site of the stress concentration on through hole, induction groove and reinforcing rib
Locate in weak portion, it is effective to induce longitudinal beam reinforcing plate bending deformation, and then change the direction of impact, it is effective to absorb the energy hit
Amount so that impact load is transferred to the little energy in front panel, reduces front panel intrusion volume, is conducive to the protection of occupant.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model.
Fig. 2 is the top view of the utility model.
In figure, 1, longitudinal beam reinforcing plate；2nd, bottom plate；21st, reinforcing rib；22nd, width mutated site；3rd, side plate；31st, groove is induced；
4th, flange；41st, through hole；42nd, convex edge；5th, expanding part.
Embodiment
It is specific embodiment of the utility model and with reference to attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
Embodiment 1
As shown in Figure 1 and Figure 2, longitudinal beam reinforcing plate 1 includes bottom plate 2 and side plate 3, and the outer end of side plate 3 is provided with flange 4, flange
The through hole 41 in strip is offered along its width on 4, through hole 41 is arranged on the middle part of flange 4；Through hole 41 is corresponded on side plate 3
Position at have indent induction groove 31；It is along its length and convex to the medial surface direction of bottom plate 2 on the outer surface of bottom plate 2
Rise and be gradually reduced from front to back formed with reinforcing rib 21, the width of 21 leading portion of reinforcing rib, the width of 21 back segment of reinforcing rib is constant, adds
Width mutated site 22 in strengthening tendons 21 is corresponding with the position of through hole 41；The front end of longitudinal beam reinforcing plate 1 has relative to flange 4
The forwardly convex expanding part 5 in front end, expanding part 5 tilts to the lateral surface direction of bottom plate 2 and sets.
Longitudinal beam reinforcing plate 1 is connected on automobile front longitudinal beam in the present embodiment, also has flange on automobile front longitudinal beam, and longeron adds
Flange 4 on strong plate 1 is connected with the flanging welded on automobile front longitudinal beam.When vehicle collides, longitudinal beam reinforcing plate 1 extends out
Portion 5 is subject to guide 1 bending of longitudinal beam reinforcing plate after normal impact load, due to the through hole 41 on longitudinal beam reinforcing plate 1, induction groove 31 and
The width mutated site of reinforcing rib 21 is weak portion at three, and at three weak portion position it is corresponding, therefore expanding part 5 is subject to normal impact
Stress concentration is at three in weak portion when 1 bending of longitudinal beam reinforcing plate is guided after load so that longitudinal beam reinforcing plate 1 and automobile front longitudinal beam are total to
With bending deformation, and then the direction of change impact occurs, the energy hit is effectively absorbed so that before impact load is transferred to
Little energy on coaming plate, reduces front panel intrusion volume, is conducive to the protection of occupant.
More specifically, the width of through hole 41 is gradual to the extreme direction away from side plate 3 from one end by proximal panel 3
Increase, the concrete shape of through hole 41 is trapezoidal hole or tri-angle-holed.Corresponded on flange 4 at the position of through hole 41 to the width of flange 4
Degree direction extends to form convex edge 42, and one end away from side plate 3 is extended on convex edge 42 on through hole 41.
Embodiment 2
The present embodiment 2 and the content of embodiment 1 are essentially identical, it is distinguished content and is：Opened on side plate 3 along its width
Equipped with bar hole, through hole 41 is connected with bar hole.By setting bar hole come the induction groove 31 in alternate embodiment 1, this is logical
The technique effect that hole produces is identical with the technique effect that induction groove 31 produces.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Described specific embodiment can be done various modifications or additions or using similar by belonging to those skilled in the art
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although be used more herein longitudinal beam reinforcing plate 1, bottom plate 2, reinforcing rib 21, width mutated site 22, side plate 3,
The terms such as groove 31, flange 4, bar hole 41, convex edge 42, expanding part 5 are induced, but it does not preclude the possibility of using other terms.
The use of these terms is merely for the convenience of describing and explaining the nature of the invention；It is construed as any type
Additional limitation is all contrary to the spirit of the present invention.
Claims (9)
1. a kind of reinforcing plate for longitudinal beam of automobile, the longitudinal beam reinforcing plate (1) includes bottom plate (2) and side plate (3), it is characterised in that institute
The outer end for stating side plate (3) is provided with flange (4), and through hole (41) is offered on the flange (4), the longitudinal beam reinforcing plate (1)
Front end has relative to the forwardly convex expanding part (5) in the front end of flange (4), lateral surface of the expanding part (5) to bottom plate (2)
Direction, which tilts, to be set.
2. a kind of reinforcing plate for longitudinal beam of automobile according to claim 1, it is characterised in that correspond to through hole on the side plate (3)
(41) there is the induction groove (31) of indent at position.
3. a kind of reinforcing plate for longitudinal beam of automobile according to claim 1, it is characterised in that along its width on the side plate (3)
Direction offers bar hole, and the through hole (41) is connected with bar hole.
4. a kind of reinforcing plate for longitudinal beam of automobile according to claim 1, it is characterised in that on the bottom plate (2) along its length
Direction and convexed to form reinforcing rib (21) to the medial surface direction of bottom plate (2), the width of reinforcing rib (21) leading portion by
Front to back is gradually reduced, and the width of reinforcing rib (21) back segment is constant, the width mutated site on the reinforcing rib (21)
(22) it is corresponding with the position of through hole (41).
5. according to a kind of reinforcing plate for longitudinal beam of automobile of claim 1-4 any one of them, it is characterised in that the through hole (41) is in
Strip is simultaneously set along the width of flange.
A kind of 6. reinforcing plate for longitudinal beam of automobile according to claim 5, it is characterised in that the width of the through hole (41) from by
One end of proximal panel (3) to the extreme direction away from side plate (3) gradually increases.
7. a kind of reinforcing plate for longitudinal beam of automobile according to claim 6, it is characterised in that the through hole (41) is trapezoidal hole
It is or tri-angle-holed.
8. a kind of reinforcing plate for longitudinal beam of automobile according to claim 5, it is characterised in that correspond to through hole on the flange (4)
(41) extend to form convex edge (42) to the width of flange (4) at position, on the through hole (41) away from side plate (3) one
End is extended on convex edge (42).
9. a kind of reinforcing plate for longitudinal beam of automobile according to claim 1, it is characterised in that the through hole (41) is arranged on flange
(4) middle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721212137.9U CN207328603U (en) | 2017-09-20 | 2017-09-20 | A kind of reinforcing plate for longitudinal beam of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721212137.9U CN207328603U (en) | 2017-09-20 | 2017-09-20 | A kind of reinforcing plate for longitudinal beam of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207328603U true CN207328603U (en) | 2018-05-08 |
Family
ID=62369269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721212137.9U Active CN207328603U (en) | 2017-09-20 | 2017-09-20 | A kind of reinforcing plate for longitudinal beam of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207328603U (en) |
-
2017
- 2017-09-20 CN CN201721212137.9U patent/CN207328603U/en active Active
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