CN204688211U - A kind of automobile front longitudinal beam middle section reinforcing structure - Google Patents
A kind of automobile front longitudinal beam middle section reinforcing structure Download PDFInfo
- Publication number
- CN204688211U CN204688211U CN201520410319.1U CN201520410319U CN204688211U CN 204688211 U CN204688211 U CN 204688211U CN 201520410319 U CN201520410319 U CN 201520410319U CN 204688211 U CN204688211 U CN 204688211U
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- China
- Prior art keywords
- front side
- side member
- member body
- reinforcement
- bending segment
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of automobile front longitudinal beam middle section reinforcing structure, comprise front side member body, a reinforcement is provided with in the stage casing of front side member body, the upper connection flange of described reinforcement is fixedly connected with the sidewall inside front side member body, the lower connection flange of described reinforcement is fixedly connected with the lower flange of front side member body, between sidewall inside the reinforcement plate body of reinforcement and front side member, and all there is gap between bottom surface inside the lower bending segment of reinforcement and front side member body.The utility model can improve the Rigidity and strength of front side member, improves safety performance.
Description
Technical field
The utility model relates to a kind of auto parts and components, particularly relates to a kind of automobile front longitudinal beam middle section reinforcing structure.
Background technology
At the front deck of car and SUV vehicle, in order to arrange dynamic assembly, often in front side member stage casing, reducing the cross section of longeron to some extent, being unfavorable for that body construction is when colliding like this, front side member absorbs energy, affects the collision safety performance of car load.
Because the end face of front side member is in " recessed " shape structure, and the middle part of front side member is bending structure, therefore, at present for the feature that cross section, front side member stage casing is more weak, substantially be the feature in longeron stage casing according to longeron, then add and the reinforcement fitted tightly with longeron basically identical with longeron middle section structure, but this can not solve longeron stage casing effectively along overall height Z-direction rigidity and the more weak feature of intensity, in collision process, still easily first there is bending herein or fracture.
Utility model content
For prior art above shortcomings, it is poor that the purpose of this utility model is how to solve existing automobile front longitudinal beam Rigidity and strength, easy generation bending or fracture, the problem that safety is low, a kind of automobile front longitudinal beam middle section reinforcing structure is provided, the Rigidity and strength of front side member can be improved, improve safety performance.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is such: a kind of automobile front longitudinal beam middle section reinforcing structure, comprise front side member body, the upside of described front side member body has the upper overturning upwards bent, downside has the lower flange of bending downwards, it is characterized in that: be provided with a reinforcement in the stage casing of front side member body, described reinforcement comprises a reinforcement plate body arranged along front side member body length direction, the upside of described reinforcement plate body first bends towards front side member body direction and upwards bends after extending again and extend to form upper connection flange, bend towards deviating from front side member body direction and extend to form lower bending segment on the downside of it, the edge of lower bending segment bends downwards and extends to form lower connection flange,
The upper connection flange of described reinforcement is fixedly connected with the sidewall inside front side member body, the lower connection flange of described reinforcement is fixedly connected with the lower flange of front side member body, between sidewall inside the reinforcement plate body of reinforcement and front side member, and all there is gap between bottom surface inside the lower bending segment of reinforcement and front side member body.
Further, the leading portion of the lower bending segment of described reinforcement is fixedly connected with the bottom inside front side member body, and the gap between the bottom inside the lower bending segment of reinforcement and front side member body increases gradually along the length direction of front side member body.
Further, described reinforcement and front side member body adopt the mode of spot welding to be fixed together.
Compared with prior art, the utility model tool has the following advantages: structure is simple, easy to process; Define a cavity between reinforcement and longeron stage casing, the rigidity of longeron in overall height direction and intensity can be improved well; Thus have matched the stiffness of whole longeron well, and in collision process, can not bending or fracture first herein, be conducive to the energy-absorbing improving whole longeron; Safety performance is higher.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 be Fig. 1 along A-A to cutaway view.
Fig. 3 is the structural representation of reinforcement.
In figure: 1-front side member body, 2-reinforcement, 21-strengthen plate body, 22-above connect flange, 23-lower bending segment, 24-under connect flange, 3-cavity.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment: see Fig. 1, Fig. 2 and Fig. 3, a kind of automobile front longitudinal beam middle section reinforcing structure, comprises front side member body 1, and the end face of this front side member body 1 is in " recessed " shape, and its stage casing is bending segment; The upside of described front side member body 1 has the upper overturning upwards bent, and downside has the lower flange of bending downwards.A reinforcement 2 is provided with in the stage casing of front side member body 1, described reinforcement 2 comprises a reinforcement plate body 21 arranged along front side member body 1 length direction, the upside of described reinforcement plate body 21 first bends towards front side member body 1 direction and upwards bends after extending again and extend to form upper connection flange 22, bend towards deviating from front side member body 1 direction and extend to form lower bending segment 23 on the downside of it, the edge of lower bending segment bends downwards and extends to form lower connection flange 24.
The upper connection flange 22 of described reinforcement 2 is fixedly connected with the sidewall inside front side member body 1, the lower connection flange 24 of described reinforcement 2 is fixedly connected with the lower flange of front side member body 1, between sidewall inside the reinforcement plate body 21 of reinforcement 2 and front side member, and all there is gap between bottom surface inside the lower bending segment 23 of reinforcement 2 and front side member body 1; Make between reinforcement 2 and longeron stage casing, to form a cavity 3, the rigidity of longeron in overall height direction and intensity can be improved well, be conducive to the energy-absorbing improving whole longeron, when collision is occurred, can not bending or fracture first herein.Add man-hour, the leading portion of the lower bending segment 23 of described reinforcement 2 is fixedly connected with the bottom inside front side member body 1, gap between bottom inside the lower bending segment 23 of reinforcement 2 and front side member body 1 increases gradually along the length direction of front side member body 1, thus under the prerequisite ensureing connective stability and intensity, make the volume of cavity 3 larger, energy-absorbing can be carried out better.Described reinforcement 2 adopts the mode of spot welding to be fixed together with front side member body 1, thus make reinforcement 2 better with the connective stability of front side member body 1, and the structure of front side member body 1 itself can not be destroyed, improve the Rigidity and strength of front side member further.
Finally it should be noted that, above embodiment is only in order to illustrate the technical solution of the utility model but not restriction technologies scheme, those of ordinary skill in the art is to be understood that, those are modified to the technical solution of the utility model or equivalent replacement, and do not depart from aim and the scope of the technical program, all should be encompassed in the middle of right of the present utility model.
Claims (3)
1. an automobile front longitudinal beam middle section reinforcing structure, comprise front side member body, the upside of described front side member body has the upper overturning upwards bent, downside has the lower flange of bending downwards, it is characterized in that: be provided with a reinforcement in the stage casing of front side member body, described reinforcement comprises a reinforcement plate body arranged along front side member body length direction, the upside of described reinforcement plate body first bends towards front side member body direction and upwards bends after extending again and extend to form upper connection flange, bend towards deviating from front side member body direction and extend to form lower bending segment on the downside of it, the edge of lower bending segment bends downwards and extends to form lower connection flange,
The upper connection flange of described reinforcement is fixedly connected with the sidewall inside front side member body, the lower connection flange of described reinforcement is fixedly connected with the lower flange of front side member body, between sidewall inside the reinforcement plate body of reinforcement and front side member, and all there is gap between bottom surface inside the lower bending segment of reinforcement and front side member body.
2. a kind of automobile front longitudinal beam middle section reinforcing structure according to claim 1, it is characterized in that: the leading portion of the lower bending segment of described reinforcement is fixedly connected with the bottom inside front side member body, the gap between the bottom inside the lower bending segment of reinforcement and front side member body increases gradually along the length direction of front side member body.
3. a kind of automobile front longitudinal beam middle section reinforcing structure according to claim 1, is characterized in that: described reinforcement and front side member body adopt the mode of spot welding to be fixed together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520410319.1U CN204688211U (en) | 2015-06-15 | 2015-06-15 | A kind of automobile front longitudinal beam middle section reinforcing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520410319.1U CN204688211U (en) | 2015-06-15 | 2015-06-15 | A kind of automobile front longitudinal beam middle section reinforcing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204688211U true CN204688211U (en) | 2015-10-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520410319.1U Expired - Fee Related CN204688211U (en) | 2015-06-15 | 2015-06-15 | A kind of automobile front longitudinal beam middle section reinforcing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204688211U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112623029A (en) * | 2019-10-08 | 2021-04-09 | 广州汽车集团股份有限公司 | Automobile longitudinal beam |
-
2015
- 2015-06-15 CN CN201520410319.1U patent/CN204688211U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112623029A (en) * | 2019-10-08 | 2021-04-09 | 广州汽车集团股份有限公司 | Automobile longitudinal beam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20160615 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |