CN218744120U

CN218744120U - Multi-shaped rib type rolled profile

Info

Publication number: CN218744120U
Application number: CN202222686883.9U
Authority: CN
Inventors: 李庆达; 左森; 耿晓勇; 高亚南; 宗敏
Original assignee: Ling Yun Industrial Corp Ltd; Ling Yun Industrial Co Ltd Automotive Parts R&D Branch
Current assignee: Ling Yun Industrial Corp Ltd; Ling Yun Industrial Co Ltd Automotive Parts R&D Branch
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-03-28
Anticipated expiration: 2032-10-12

Abstract

The utility model provides a multi-shape muscle type roll-in section bar, the section bar comprises the closed cavity of at least three connection by a monoblock panel through bending in succession, and the cross-section of closed cavity is triangle-shaped or trapezoidal, and the quantity of closed cavity is the odd number, and about the central line bilateral symmetry, the quantity of trapezoidal closed cavity is one more than the quantity of triangle closed cavity. The utility model discloses a shaping of buckling in succession has practiced thrift manufacturing cost, has improved the utilization ratio of raw and other materials.

Description

Multi-shaped rib type rolled profile

Technical Field

The utility model relates to a roll-in section bar, especially a roll-in section bar through continuous bending one shot forming.

Background

In the field of automobile production, the strength of the profile is directly related to the safety performance of an automobile; the structural strength of the traditional section is improved by increasing the thickness of a plate and the like, but the traditional lightweight requirement cannot be met by the thickness increasing mode; the strength of the profile is improved on the premise of ensuring the lightweight of the profile; at present, the processing of the section is generally that all parts are welded together after being processed, the process of multi-part combined welding is complex, the working strength is high, and the light weight is not dominant.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's not enough, provide a multi-shape muscle type roll-in section bar, it can guarantee the intensity of section bar under the prerequisite of guaranteeing the lightweight.

The problem is solved through following technical scheme:

the multi-rib roll-in profile comprises at least three connected closed cavities formed by continuously bending a whole plate, wherein the cross section of each closed cavity is triangular or trapezoidal, the number of the closed cavities is odd, the closed cavities are bilaterally symmetrical about a central line, and the number of the trapezoidal closed cavities is one more than that of the triangular closed cavities.

In the multi-shaped rib type rolled section, the number of the closed cavities is three, the triangular closed cavity is positioned in the middle, and the two trapezoidal closed cavities are respectively positioned at two sides of the triangular closed cavity; the two ends of the plate are provided with arc-shaped welding ends, and the arc-shaped welding ends are welded with the two side edges of the triangular closed cavity respectively.

Above-mentioned polymorphic muscle type roll-in section bar, be provided with U type groove along panel length direction on the lateral wall that trapezoidal closed cavity length longer base corresponds.

In the multi-shaped rib type rolled section, the number of the closed cavities is seven, three triangular closed cavities are positioned in the middle, and four trapezoidal closed cavities are positioned at two sides; the two ends of the plate are provided with straight welding ends, and the straight welding ends are respectively welded with the trapezoidal closed cavities at the head end and the tail end.

The multi-rib rolled section has the obtuse angle of the trapezoidal closed cavity within the range of 100-120 degrees and the acute angle within the range of 60-80 degrees; the acute angle of the triangular closed cavity is in the range of 55-65 degrees.

The length of the two ends of the multi-shape rib type rolled section extending out from the welding end is in the range of 4mm to 6 mm.

Above-mentioned multiform muscle type roll-in section bar, the connection corner department of adjacent cavity is provided with the welding point.

The utility model realizes the purpose of thinning and weight reduction through continuous bending and forming of the whole plate; the method for continuously bending and molding the whole plate improves the utilization rate of raw materials, thereby reducing the production cost; this novel U type groove can reduce the thickness of section bar as strengthening rib structure under the condition of equal intensity and rigidity.

Drawings

FIG. 1 is a sectional view of a first embodiment of the present invention;

FIG. 2 is a cross-sectional view of a second embodiment of the present invention;

fig. 3 is a sectional view of a third embodiment of the present invention.

The list of labels in the figure is: 1. the structure comprises a trapezoid closed cavity, 2 a triangular closed cavity, 3 an arc welding end, 4 a straight welding end, 5.U-shaped grooves and 6 welding points.

Detailed Description

Referring to fig. 1, 2 and 3, the sectional material of the present invention is formed by continuously bending a whole plate to form at least three connected closed cavities, and through continuous bending and forming, the cost is saved, and the utilization rate of raw materials is improved; the cross section of the closed cavities is triangular or trapezoidal, the number of the closed cavities is odd, the closed cavities are symmetrical left and right about a central line, and the number of the trapezoidal closed cavities 1 is one more than that of the triangular closed cavities 2; the combination of each closed cavity can promote whole and local structural strength.

Fig. 1 shows a first embodiment, the number of the closed cavities is three, the triangular closed cavity 2 is located in the middle, and two trapezoidal closed cavities 1 are respectively located at two sides of the triangular closed cavity 2; the combination of the trapezoidal closed cavities 1 at the two sides and the triangular closed cavity 2 in the middle is trapezoidal; the adjacent cavities are connected together in a welding mode; two ends of the plate are provided with arc-shaped welding ends 3, and the arc-shaped welding ends 3 are respectively welded with two side edges of the triangular closed cavity 2; the two arc-shaped welding ends 3 are respectively positioned at two sides of the triangular closed cavity 2 in the middle.

Referring to fig. 2, a second embodiment is shown, in which a trapezoidal closed cavity 1 has two bottom edges and two side edges, the two bottom edges are parallel to each other, and the side edges are not parallel to each other; a U-shaped groove 5 is arranged on the side wall corresponding to the longer bottom edge of the trapezoidal closed cavity 1 along the length direction of the plate, the U-shaped groove 5 is inwards sunken, and the length of the U-shaped groove 5 is the same as that of the plate; the U-shaped grooves 5 are used as reinforcing ribs and can reduce the thickness of the plate under the condition of the same strength and rigidity; the width and depth of the U-shaped groove 5 can be adapted according to the boundary conditions of the product to increase the structural rigidity of the body.

Referring to FIG. 3, a third embodiment is shown; the number of the closed cavities is seven, sufficient rigidity is provided for the whole structure through a plurality of cavity structures, three triangular closed cavities 2 are positioned in the middle, and four trapezoidal closed cavities 1 are positioned on two sides; the both ends of panel are provided with straight shape welded end 4, and straight shape welded end 4 welds with trapezoidal closed cavity 1 at head and the tail both ends respectively, and this novel inside can repetitious expansion extend many times.

The obtuse angle of the trapezoidal closed cavity 1 is within the range of 100-120 degrees, and the acute angle is within the range of 60-80 degrees; the acute angle of the triangular closed cavity 2 is in the range of 55-65 deg..

The length that the panel both ends were extended out by the welding end is in 4mm to 6mm within range, through the length that the control welding end extends out, reduces the loss of material, reduces the weight of material.

This novel inside wall is used for supporting the roof and the diapire of section bar as the chamber muscle, also is used for cutting off adjacent cavity.

The connecting end angle department of adjacent cavity is provided with welding point 6, through welding point 6 with adjacent cavity firm connection together, makes its non-deformable, has ensured the structural strength of section bar.

The novel section bar can be used for parts such as an anti-collision beam, a seat mounting cross beam or a battery side beam.

Can learn through above-mentioned embodiment, the section bar through the intercombination of buckling in succession and forming different cavity structures and strengthening rib, constitute different section structure, realize different boundary condition's series product type, the adaptability is strong, the commonality is high, and with low costs.

The utility model discloses a to the combination of each cavity and strengthening rib, come the different products of adaptation. On the basis of the above-mentioned embodiment, the improvement to different cavity structures also belongs to the utility model discloses a scope of protection.

Claims

1. A multi-shaped rib type rolled profile is characterized in that: the section bar is characterized in that at least three connected closed cavities are formed by continuously bending a whole plate, the cross section of each closed cavity is triangular or trapezoidal, the number of the closed cavities is odd, the closed cavities are bilaterally symmetrical about a central line, and the number of the trapezoidal closed cavities (1) is one more than that of the triangular closed cavities (2).

2. Multi-ribbed rolled profile according to claim 1, characterized in that: the number of the closed cavities is three, the triangular closed cavity (2) is positioned in the middle, and the two trapezoidal closed cavities (1) are respectively positioned at two sides of the triangular closed cavity (2); the two ends of the plate are provided with arc-shaped welding ends (3), and the arc-shaped welding ends (3) are respectively welded with the two side edges of the triangular closed cavity (2).

3. Multi-ribbed rolled profile according to claim 2, characterized in that: and a U-shaped groove (5) is arranged on the side wall corresponding to the longer bottom edge of the trapezoidal closed cavity (1) along the length direction of the plate.

4. A multi-ribbed rolled profile according to claim 1, characterized in that: the number of the closed cavities is seven, three triangular closed cavities (2) are positioned in the middle, and four trapezoidal closed cavities (1) are positioned on two sides; two ends of the plate are provided with straight welding ends (4), and the straight welding ends (4) are respectively welded with the trapezoidal closed cavities (1) at the head end and the tail end.

5. A multi-ribbed rolled profile according to any one of claims 1 to 4, characterized in that: the obtuse angle of the trapezoidal closed cavity (1) is within the range of 100-120 degrees, and the acute angle is within the range of 60-80 degrees; the acute angle of the triangular closed cavity (2) is in the range of 55-65 degrees.

6. A multi-ribbed rolled profile according to any one of claims 2 to 4, characterized in that: the length of the two ends of the plate extending from the welding end is in the range of 4mm to 6 mm.

7. A multi-ribbed rolled profile according to any one of claims 1 to 4, characterized in that: and welding points (6) are arranged at the connecting end corners of the adjacent cavities.