CN212313680U - Automobile longitudinal beam stiffening beam crease-resistant structure - Google Patents
Automobile longitudinal beam stiffening beam crease-resistant structure Download PDFInfo
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- CN212313680U CN212313680U CN202021030292.0U CN202021030292U CN212313680U CN 212313680 U CN212313680 U CN 212313680U CN 202021030292 U CN202021030292 U CN 202021030292U CN 212313680 U CN212313680 U CN 212313680U
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Abstract
The utility model provides an automobile longitudinal girder stiffening beam crease-resistance structure, including the back floor bearing section of stiffening beam rear end, the front and back floor changeover portion at stiffening beam middle part, be equipped with horizontal protruding muscle on the top surface of back floor bearing section, first vertical protruding muscle, the vertical protruding muscle of second, horizontal protruding muscle is located the one end of being close to front and back floor changeover portion, the both ends of horizontal protruding muscle extend to the both sides limit of top surface respectively, first, the vertical protruding muscle of two is located the both sides limit of top surface respectively, first, the one end of the vertical protruding muscle of two communicates with each other with the both ends of horizontal protruding muscle respectively, the other end all extends towards the rear end of top surface, and first, the length of two vertical protruding muscle is greater than half of top surface length, first vertical concave muscle, the vertical concave muscle of second has been seted up at the top of front and back floor changeover portion, first, the vertical concave muscle structure of two is unanimous and parallel arrangement is in the one end that. This design has not only effectively prevented the production of wrinkling phenomenon, does not have the fracture risk moreover.
Description
Technical Field
The utility model belongs to car roof beam class structural field, concretely relates to automobile longitudinal beam stiffening beam crease-resistant structure.
Background
The left and right longitudinal beam reinforcing beams of the automobile are used as automobile framework structural members and are usually formed by drawing, wherein a blank is contacted with a drawing die male die and a blank holder at first, then a female die descends to be contacted with the blank, and the female die continues to descend to form parts. When the reinforcing beam component is deep in drawing depth, due to the fact that fluctuation of the structure of the part is large, the stamping speed of a mechanical press is high, the mobility of a blank material is very complex during drawing, wrinkling phenomenon is easily caused during production of the part, particularly, the rear end turning part of the longitudinal beam reinforcing beam with a complex shape seriously affects the quality of the part, and rework and repair amount is increased. Therefore, there is a need for an improved reinforcing beam structure of the prior art to improve upon the above-mentioned problems.
Disclosure of Invention
The utility model aims at overcoming the above-mentioned problem that prior art exists, provide an automobile longitudinal beam stiffening beam crease-resistant structure.
In order to achieve the above purpose, the utility model provides the following technical scheme:
a crease-resistant structure of a stiffening beam of an automobile longitudinal beam comprises a rear floor bearing section at the rear end of the stiffening beam and front and rear floor transition sections at the middle part of the stiffening beam, wherein the front end of the rear floor bearing section is fixedly connected with the rear ends of the front and rear floor transition sections;
a transverse convex rib, a first longitudinal convex rib and a second longitudinal convex rib are arranged on the top surface of the rear floor bearing section, the transverse convex rib is positioned at one end close to the front and rear floor transition sections, two ends of the transverse convex rib extend to two side edges of the top surface respectively, the first longitudinal convex rib and the second longitudinal convex rib are positioned on two side edges of the top surface respectively, one ends of the first longitudinal convex rib and the second longitudinal convex rib are communicated with two ends of the transverse convex rib respectively, the other ends of the first longitudinal convex rib and the second longitudinal convex rib extend towards the rear end of the top surface, and the lengths of the first longitudinal convex rib and the second longitudinal convex rib are more than half of the length of the top surface;
first vertical concave rib, the vertical concave rib of second have been seted up at the top of front and back floor changeover portion, first vertical concave rib, the vertical concave rib structure of second are unanimous and parallel arrangement is in the one end that is close to back floor bearing section side by side.
The first longitudinal convex rib and the second longitudinal convex rib are consistent in structure and are arranged on two side edges of the top surface in parallel, the length and the width of the first longitudinal convex rib and the second longitudinal convex rib are respectively 80-110mm and 22-25mm, the width and the height of the transverse convex rib are respectively 13-17mm and 9-11mm, and the length, the width and the depth of the first longitudinal concave rib and the second longitudinal concave rib are respectively 55-65mm, 22-28mm and 7-7.5 mm.
The height of the first longitudinal convex rib and the second longitudinal convex rib is gradually reduced from one end close to the front and rear floor transition sections to one end far away from the front and rear floor transition sections, the height of the first longitudinal convex rib and the second longitudinal convex rib at one end close to the front and rear floor transition sections is 10mm, and the height of the first longitudinal convex rib and the second longitudinal convex rib at one end far away from the front and rear floor transition sections is 5.5 mm.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model relates to a vehicle longitudinal girder stiffening beam crease-resistance structure, wherein a transverse convex rib, a first longitudinal convex rib and a second longitudinal convex rib are arranged on the top surface of a rear floor bearing section, the transverse convex rib is arranged at one end close to front and rear floor transition sections, two ends of the transverse convex rib respectively extend to two side edges of the top surface, the first longitudinal convex rib and the second longitudinal convex rib are respectively arranged on two side edges of the top surface, one end of the first longitudinal convex rib and one end of the second longitudinal convex rib are respectively communicated with two ends of the transverse convex rib, the other end extends towards the rear end of the top surface, the length of the first longitudinal convex rib and the second longitudinal convex rib is more than half of the length of the top surface, the top of the front and rear floor transition sections is provided with a first longitudinal concave rib and a second longitudinal concave rib, the first longitudinal concave rib and the second longitudinal concave rib are consistent in structure and are arranged at one end close to the front floor bearing section side by side in parallel, the design, the longitudinal and transverse crease-resistance ribs are arranged at the rear, the wrinkling at the position can be effectively prevented. Therefore, the utility model discloses longeron stiffening beam rear end turn's wrinkling about effectively having prevented.
2. The utility model relates to a length, the width of first vertical protruding muscle, the vertical protruding muscle of second are 80-110mm, 22-25mm respectively in the longeron stiffening beam crease-resistance structure of automobile, the width of horizontal protruding muscle, highly be 13-17mm, 9-11mm respectively, the length, the width, the degree of depth of first vertical concave muscle, the vertical concave muscle of second are 55-65mm, 22-28mm, 7-7.5mm respectively, this design is through the size of reasonable optimization above-mentioned crease-resistance muscle, can play the effect of effectively preventing the part fracture. Therefore, the utility model discloses can not cause the fracture of part.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, a reinforcing beam 1, a rear floor bearing section 11, a top surface 111, a front floor transition section and a rear floor transition section 12, a transverse convex rib 2, a first longitudinal convex rib 3, a second longitudinal convex rib 4, a first longitudinal concave rib 5 and a second longitudinal concave rib 6.
Detailed Description
The present invention will be further described with reference to the following detailed description.
Referring to fig. 1, the crease-resistant structure for the reinforcing beam of the automobile longitudinal beam comprises a rear floor bearing section 11 at the rear end of the reinforcing beam 1 and a front-rear floor transition section 12 in the middle of the reinforcing beam 1, wherein the front end of the rear floor bearing section 11 is fixedly connected with the rear end of the front-rear floor transition section 12;
a transverse convex rib 2, a first longitudinal convex rib 3 and a second longitudinal convex rib 4 are arranged on the top surface 111 of the rear floor bearing section 11, the transverse convex rib 2 is positioned at one end close to the front and rear floor transition sections 12, two ends of the transverse convex rib 2 extend to two side edges of the top surface 111 respectively, the first longitudinal convex rib 3 and the second longitudinal convex rib 4 are positioned on two side edges of the top surface 111 respectively, one ends of the first longitudinal convex rib 3 and the second longitudinal convex rib 4 are communicated with two ends of the transverse convex rib 2 respectively, the other ends of the first longitudinal convex rib 3 and the second longitudinal convex rib 4 extend towards the rear end of the top surface 111, and the lengths of the first longitudinal convex rib 3 and the second longitudinal convex rib 4 are more than half of the length of the top surface 111;
first vertical concave muscle 5, the vertical concave muscle 6 of second have been seted up at the top of front and back floor changeover portion 12, first vertical concave muscle 5, the vertical concave muscle 6 of second structure unanimity and parallel arrangement side by side are in the one end that is close to back floor bearing section 11.
The first longitudinal convex rib 3 and the second longitudinal convex rib 4 are consistent in structure and are arranged on two side edges of the top surface 111 in parallel, the length and the width of the first longitudinal convex rib 3 and the second longitudinal convex rib 4 are respectively 80-110mm and 22-25mm, the width and the height of the transverse convex rib 2 are respectively 13-17mm and 9-11mm, and the length, the width and the depth of the first longitudinal concave rib 5 and the second longitudinal concave rib 6 are respectively 55-65mm, 22-28mm and 7-7.5 mm.
The height of the first longitudinal convex rib 3 and the second longitudinal convex rib 4 is gradually reduced from one end close to the front and rear floor transition sections 12 to one end far away from the front and rear floor transition sections 12, the height of the first longitudinal convex rib 3 and the second longitudinal convex rib 4 close to the front and rear floor transition sections 12 is 10mm, and the height of the first longitudinal convex rib 3 and the second longitudinal convex rib 4 far away from the front and rear floor transition sections 12 is 5.5 mm.
Example 1:
referring to fig. 1, an automobile longitudinal beam stiffening beam crease-resistant structure comprises a rear floor bearing section 11 at the rear end of a stiffening beam 1 and a front-rear floor transition section 12 at the middle part of the stiffening beam 1, wherein the front end of the rear floor bearing section 11 is fixedly connected with the rear end of the front-rear floor transition section 12, a transverse convex rib 2, a first longitudinal convex rib 3 and a second longitudinal convex rib 4 are arranged on the top surface 111 of the rear floor bearing section 11, the transverse convex rib 2 is positioned at one end close to the front-rear floor transition section 12, two ends of the transverse convex rib 2 respectively extend to two side edges of the top surface 111, the width and height of the transverse convex rib 2 are respectively 15mm and 10mm, the first longitudinal convex rib 3 and the second longitudinal convex rib 4 are consistent in structure and are arranged on two side edges of the top surface 111 in parallel, one end of the first longitudinal convex rib 3 and one end of the second longitudinal convex rib 4 are respectively communicated with two ends of the transverse convex rib 2, and the first longitudinal convex rib 3, The other end of the second longitudinal convex rib 4 extends towards the rear end of the top surface 111, the length and the width of the first longitudinal convex rib 3 and the second longitudinal convex rib 4 are 100mm and 25mm respectively, the height of the first longitudinal convex rib 3 and the second longitudinal convex rib 4 is gradually reduced from one end close to the front and rear floor transition sections 12 to one end far away from the front and rear floor transition sections 12, the height of the first longitudinal convex rib 3 and the second longitudinal convex rib 4 close to one end of the front and rear floor transition sections 12 is 10mm, the height of the first longitudinal convex rib 3 and one end of the second longitudinal convex rib 4 far away from one end of the front and rear floor transition sections 12 is 5.5mm, the top of the front and rear floor transition sections 12 is provided with a first longitudinal concave rib 5 and a second longitudinal concave rib 6, the first longitudinal concave rib 5 and the second longitudinal concave rib 6 are consistent in structure and are arranged at one end close to the front floor bearing section 11 side by side in parallel, and the first longitudinal concave rib 5, the second longitudinal concave rib 4 and the second, The length, width and depth of the second longitudinal concave rib 6 are respectively 60mm, 25mm and 7 mm.
CAE analysis and part real object debugging confirmation are carried out on the structure, and the wrinkling phenomenon is effectively controlled and no cracking risk is caused as a result.
Claims (3)
1. The utility model provides an automobile longitudinal beam stiffening beam crease-resistance structure, includes rear floor bearing section (11) of stiffening beam (1) rear end, front and back floor changeover portion (12) at stiffening beam (1) middle part, the rear end fixed connection of front and back floor changeover portion (12) of the front end of rear floor bearing section (11), its characterized in that:
a transverse convex rib (2), a first longitudinal convex rib (3) and a second longitudinal convex rib (4) are arranged on the top surface (111) of the rear floor bearing section (11), the transverse convex rib (2) is positioned at one end close to the front and rear floor transition sections (12), two ends of the transverse convex rib (2) extend to two side edges of the top surface (111) respectively, the first longitudinal convex rib (3) and the second longitudinal convex rib (4) are positioned on two side edges of the top surface (111) respectively, one ends of the first longitudinal convex rib (3) and the second longitudinal convex rib (4) are communicated with two ends of the transverse convex rib (2) respectively, the other ends of the first longitudinal convex rib (3) and the second longitudinal convex rib (4) extend towards the rear end of the top surface (111), and the lengths of the first longitudinal convex rib (3) and the second longitudinal convex rib (4) are greater than half of the length of the top surface (111);
first vertical concave rib (5), the vertical concave rib of second (6) have been seted up at the top of front and back floor changeover portion (12), first vertical concave rib (5), the vertical concave rib of second (6) structure unanimous and parallel arrangement side by side is in the one end that is close to back floor bearing section (11).
2. The automobile longitudinal beam stiffening beam crease-resistant structure of claim 1, characterized in that: the first longitudinal convex rib (3) and the second longitudinal convex rib (4) are consistent in structure and are arranged on two side edges of the top surface (111) in parallel, the length and the width of the first longitudinal convex rib (3) and the second longitudinal convex rib (4) are respectively 80-110mm and 22-25mm, the width and the height of the transverse convex rib (2) are respectively 13-17mm and 9-11mm, and the length, the width and the depth of the first longitudinal concave rib (5) and the second longitudinal concave rib (6) are respectively 55-65mm, 22-28mm and 7-7.5 mm.
3. The automobile longitudinal beam stiffening beam crease-resistant structure of claim 2, characterized in that: the height of the first longitudinal convex rib (3) and the second longitudinal convex rib (4) is gradually reduced from one end close to the front and rear floor transition sections (12) to one end far away from the front and rear floor transition sections (12), the height of one end of the front and rear floor transition sections (12) close to the first longitudinal convex rib (3) and the second longitudinal convex rib (4) is 10mm, and the height of one end of the front and rear floor transition sections (12) far away from the first longitudinal convex rib (3) and the second longitudinal convex rib (4) is 5.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021030292.0U CN212313680U (en) | 2020-06-08 | 2020-06-08 | Automobile longitudinal beam stiffening beam crease-resistant structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021030292.0U CN212313680U (en) | 2020-06-08 | 2020-06-08 | Automobile longitudinal beam stiffening beam crease-resistant structure |
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| CN212313680U true CN212313680U (en) | 2021-01-08 |
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| CN202021030292.0U Active CN212313680U (en) | 2020-06-08 | 2020-06-08 | Automobile longitudinal beam stiffening beam crease-resistant structure |
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