Aluminum alloy profile for high-strength threshold beam of automobile

Abstract

An aluminum alloy section for a high-strength threshold beam of an automobile adopts a three-layer stacked frame structure, an upper right frame (1), an upper middle frame (2) and an upper left frame (3) are located on the upper layer, a middle right frame (4), a middle frame (5), a middle left frame (6) and a left frame (7) are located on the middle layer, the middle right frame (4), the middle frame (5) and the middle left frame (6) are located below the upper right frame (1), the upper middle frame (2) and the upper left frame (3) respectively, and the right end of an upper edge (704) of the left frame (7) is located at the middle point of the left side of the upper left frame (3). The lower edge of the left frame (7) is aligned with the lower edges of the middle right frame (4), the middle frame (5) and the middle left frame (6), the lower right frame (8), the lower middle frame (9) and the lower left frame (10) are located on the lower layer, and the lower right frame (8), the lower middle frame (9) and the lower left frame (10) are located on the lower edges of the middle frame (5) and the middle left frame (6) respectively. The aluminum alloy integral extrusion process is adopted, the process is simple, the production efficiency is high, and the manufacturing cost is low; a three-layer frame structure is adopted, so that the rigidity is good; the weight is light and rustless.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum alloy profiles, in particular to an aluminum alloy profile for a high-strength car sill beam. Background Art

[0002] The car sill beam is an important component connecting the car door and the bottom of the car body. In addition to being used to improve the strength of the car door frame to withstand trampling, it transmits the front and side collision forces, and also has an important impact on the structural strength and stiffness of the whole vehicle.

[0003] Most of the existing car sill beams are made by cutting, stamping and then welding multiple steel plates. The process is complex, with many procedures and high manufacturing costs; there is a lot of material consumption and heavy weight; at the same time, the surface needs to be treated, which is easy to cause environmental pollution. Summary of the Invention

[0004] In view of the deficiencies that most of the existing car sill beams are made by cutting, stamping and then welding multiple steel plates, with complex process, many procedures, high manufacturing costs, a lot of material consumption, heavy weight, and the surface needs to be treated, which is easy to cause environmental pollution, the present invention provides an aluminum alloy profile for a high-strength car sill beam, which adopts an aluminum alloy multi-layer superimposed frame structure, and uses an integral extrusion process, with simple process, high production efficiency, low manufacturing cost, good rigidity and long service life.

[0005] An aluminum alloy profile for a high-strength car sill beam, which adopts a three-layer superimposed frame structure, includes: an upper right frame, an upper middle frame, an upper left frame, a middle right frame, a middle frame, a middle left frame, a left frame, a lower right frame, a lower middle frame and a lower left frame. Among them, the left frame includes a lower right side, an upper right side, a bottom side, an upper side, a lower left side and an upper left side. The upper right frame, the upper middle frame and the upper left frame are located in the upper layer, the middle right frame, the middle frame, the middle left frame and the left frame are located in the middle layer. The middle right frame, the middle frame and the middle left frame are respectively located below the upper right frame, the upper middle frame and the upper left frame. The right end of the upper side of the left frame is located at the midpoint of the left side of the upper left frame. The lower side of the left frame is aligned with the lower sides of the middle right frame, the middle frame and the middle left frame. The lower right frame, the lower middle frame and the lower left frame are located in the lower layer. The lower right frame, the lower middle frame and the lower left frame are respectively located below the middle frame, the middle left frame and the left frame.

[0006] The upper right frame is a parallelogram inclined to the left in the upper part, with short upper and lower sides and long left and right sides.

[0007] The upper middle frame is an isosceles trapezoid, with a short upper side and a long lower side. The right waist of the upper middle frame is collinear with the left side of the upper right frame.

[0008] The upper left frame is a quadrilateral. The right side of the upper left frame is collinear with the left waist of the upper middle frame. The left side of the upper left frame is an arc protruding outwards with a vertex.

[0009] The middle right frame is located below the upper right frame. The middle right frame is rectangular, with short upper and lower sides and long left and right sides. The right end of the upper side of the middle right frame is on the extension line of the right end of the lower side of the upper right frame.

[0010] The middle frame is square. The right side of the middle frame is collinear with the left side of the middle right frame, and the upper side of the middle frame is collinear with the lower side of the upper middle frame.

[0011] The middle left frame is quadrilateral. The right side of the middle left frame is collinear with the left side of the middle frame, and the upper side of the middle left frame is collinear with the lower side of the upper left frame. The left side of the middle left frame is an arc protruding outward with a vertex.

[0012] The left frame is hexagonal. The lower right side is collinear with the left side of the middle left frame, the upper right side is collinear with the lower left part of the left side of the upper left frame. The bottom side is on the extension line of the left end of the lower side of the middle left frame. The upper side is an inclined line with a lower left end and a higher right end, and the right end of the upper side is at the midpoint of the left side of the upper left frame. The upper left side is an inclined line with a lower left end and a higher right end, and the lower left side is an inclined line with a higher left end and a lower right end.

[0013] The lower right frame is quadrilateral. The right side of the lower right frame is on the extension line of the lower right end of the right side of the middle frame. The upper side of the lower right frame is collinear with the lower side of the middle frame. The left side of the lower right frame is an arc protruding outward with a vertex. The lower side of the lower right frame is an inclined line with a lower left end and a higher right end.

[0014] The lower middle frame is quadrilateral. The right side of the lower middle frame is collinear with the upper left part of the left side of the lower right frame. The upper side of the lower middle frame is collinear with the lower side of the middle left frame. The lower side of the lower middle frame is a horizontal line. The right end of the lower side of the lower middle frame is at the lower left part of the left side of the lower right frame. The left side of the lower middle frame is an arc concave inward with a vertex.

[0015] The lower left frame is pentagonal. The right side of the lower left frame is collinear with the left side of the lower middle frame. The upper side of the lower left frame is collinear with the lower side of the left frame. The upper left side of the lower left frame is an inclined line sloping to the right at the lower end. The lower left side of the lower left frame is an inclined line with a higher left end and a lower right end. The lower right side of the lower left frame is an inclined line with a lower left end and a higher right end.

[0016] Advantages of the present utility model:

[0017] 1. Adopting the overall extrusion process of aluminum alloy, the process is simple, the production efficiency is high, and the manufacturing cost is low.

[0018] 2. Adopting a multi-level frame structure, it has good rigidity.

[0019] 3. It is not easy to rust and has a long service life. Description of the Drawings

[0020] Figure 1 : It is the end view of the present utility model.

[0021] In the figure: 1. Upper right frame; 2. Upper middle frame; 3. Upper left frame; 4. Middle right frame; 5. Middle frame; 6. Middle left frame; 7. Left frame; 701. Lower right side; 702. Upper right side; 703. Bottom side; 704. Upper side; 705. Lower left side; 706. Upper left side; 8. Lower right frame; 9. Lower middle frame; 10. Lower left frame. Detailed implementation mode

[0022] The following further elaborates on the present utility model in detail in conjunction with the attached drawings and specific embodiments.

[0023] An aluminum alloy profile for a high-strength sill beam of an automobile adopts a three-layer stacked frame structure, including: upper right frame 1, upper middle frame 2, upper left frame 3, middle right frame 4, middle frame 5, middle left frame 6, left frame 7, lower right frame 8, lower middle frame 9 and lower left frame 10. Among them, the left frame 7 includes lower right side 701, upper right side 702, bottom side 703, upper side 704, lower left side 705 and upper left side 706. The upper right frame 1, upper middle frame 2 and upper left frame 3 are located in the upper layer. The middle right frame 4, middle frame 5, middle left frame 6 and left frame 7 are located in the middle layer. The middle right frame 4, middle frame 5 and middle left frame 6 are respectively located below the upper right frame 1, upper middle frame 2 and upper left frame 3. The right end of the upper side 704 of the left frame 7 is located at the midpoint on the left side of the upper left frame 3. The lower side of the left frame 7 is aligned with the lower sides of the middle right frame 4, middle frame 5 and middle left frame 6. The lower right frame 8, lower middle frame 9 and lower left frame 10 are located in the lower layer. The lower right frame 8, lower middle frame 9 and lower left frame 10 are respectively located below the middle frame 5, middle left frame 6 and left frame 7.

[0024] The upper right frame 1 is a parallelogram inclined to the left in the upper part, with short upper and lower sides and long left and right sides.

[0025] The upper middle frame 2 is an isosceles trapezoid, with a short upper side and a long lower side. The right waist of the upper middle frame 2 is collinear with the left side of the upper right frame 1.

[0026] The upper left frame 3 is a quadrilateral. The right side of the upper left frame 3 is collinear with the left waist of the upper middle frame 2. The left side of the upper left frame 3 is an arc with a vertex protruding outward.

[0027] The middle right frame 4 is located below the upper right frame 1. The middle right frame is a rectangle, with short upper and lower sides and long left and right sides. The right end of the upper side of the middle right frame 4 is located on the extension line of the right end of the lower side of the upper right frame 1.

[0028] The middle frame 5 is a square. The right side of the middle frame 5 is collinear with the left side of the middle right frame 4. The upper side of the middle frame 5 is collinear with the lower side of the upper middle frame 2.

[0029] The middle left frame 6 is a quadrilateral. The right side of the middle left frame 6 is collinear with the left side of the middle frame 5. The upper side of the middle left frame 6 is collinear with the lower side of the upper left frame 3. The left side of the middle left frame 6 is an arc with a vertex protruding outward.

[0030] The left border 7 is hexagonal. The lower right side 701 is collinear with the left side of the middle left frame 6. The upper right side 702 is collinear with the lower left part of the left upper frame 3. The bottom side 703 is on the extension of the left end of the bottom side of the middle left frame 6. The upper side 704 is an inclined line with the left end lower and the right end higher. The right end of the upper side 704 is at the midpoint of the left side of the left upper frame 3. The upper left side 706 is an inclined line with the left end lower and the right end higher. The lower left side 705 is an inclined line with the left end higher and the right end lower.

[0031] The lower right frame 8 is quadrilateral. The right side of the lower right frame 8 is on the extension of the lower right end of the middle frame 5. The upper side of the lower right frame 8 is collinear with the lower side of the middle frame 5. The left side of the lower right frame 8 is an arc protruding outward at the vertex. The lower side of the lower right frame 8 is an inclined line with the left end lower and the right end higher.

[0032] The lower middle frame 9 is quadrilateral. The right side of the lower middle frame 9 is collinear with the upper left part of the left side of the lower right frame 8. The upper side of the lower middle frame 9 is collinear with the lower side of the middle left frame 6. The lower side of the lower middle frame 9 is a horizontal line. The right end of the lower side of the lower middle frame 9 is at the lower left part of the left side of the lower right frame 8. The left side of the lower middle frame 9 is an arc concave inward at the vertex.

[0033] The lower left frame 10 is pentagonal. The right side of the lower left frame 10 is collinear with the left side of the lower middle frame 9. The upper side of the lower left frame 10 is collinear with the lower side of the left border 7. The upper left side of the lower left frame 10 is an inclined line sloping to the right at the lower end. The lower left side of the lower left frame 10 is an inclined line with the left end higher and the right end lower. The lower right side of the lower left frame 10 is an inclined line with the left end lower and the right end higher.

Claims

1. An aluminum alloy profile for a high-strength threshold beam of an automobile, characterized in that: Adopt a three - layer stacked frame structure, including: upper right frame (1), upper middle frame (2), upper left frame (3), middle right frame (4), middle frame (5), middle left frame (6), left frame (7), lower right frame (8), lower middle frame (9) and lower left frame (10), where the left frame (7) includes a lower right side (701), an upper right side (702), a bottom side (703), an upper side (704), a lower left side (705) and an upper left side (706), and it is characterized in that: the upper right frame (1), upper middle frame (2), and upper left frame (3) are located in the upper layer, the middle right frame (4), middle frame (5), middle left frame (6), and left frame (7) are located in the middle layer, the middle right frame (4), middle frame (5), and middle left frame (6) are respectively located below the upper right frame (1), upper middle frame (2), and upper left frame (3), the right end of the upper side (704) of the left frame (7) is located at the mid - point on the left side of the upper left frame (3), the lower side of the left frame (7) is aligned with the lower sides of the middle right frame (4), middle frame (5), and middle left frame (6), the lower right frame (8), lower middle frame (9) and lower left frame (10) are located in the lower layer, and the lower right frame (8), lower middle frame (9) and lower left frame (10) are respectively located below the middle frame (5), middle left frame (6) and left frame (7).

2. The aluminum alloy profile for a high-strength threshold beam of an automobile according to claim 1, characterized in that: The upper right frame (1) is a parallelogram inclined to the left in the upper part, with the upper and lower sides being short and the left and right sides being long.

3. The aluminum alloy profile for a high-strength sill beam of an automobile according to claim 1, wherein: The upper middle frame (2) is an isosceles trapezoid, with the upper side being short and the lower side being long, and the right waist of the upper middle frame (2) is collinear with the left side of the upper right frame (1).

4. The aluminum alloy profile for a high-strength sill beam of an automobile according to claim 1, wherein: The upper left frame (3) is a quadrilateral, the right side of the upper left frame (3) is collinear with the left waist of the upper middle frame (2), and the left side of the upper left frame (3) is an arc with a vertex protruding outward.

5. The aluminum alloy profile for a high-strength sill beam of an automobile according to claim 1, characterized in that: The middle right frame (4) is located below the upper right frame (1), the middle right frame (4) is a rectangle, with the upper and lower sides being short and the left and right sides being long, and the right end of the upper side of the middle right frame (4) is located on the extension line of the right end of the lower side of the upper right frame (1).

6. The aluminum alloy profile for a high-strength sill beam of an automobile according to claim 1, wherein: The middle frame (5) is a square, the right side of the middle frame (5) is collinear with the left side of the middle right frame (4), and the upper side of the middle frame (5) is collinear with the lower side of the upper middle frame (2).

7. An aluminum alloy profile for a high-strength sill beam of an automobile, characterized in that: The middle left frame (6) is a quadrilateral, the right side of the middle left frame (6) is collinear with the left side of the middle frame (5), the upper side of the middle left frame (6) is collinear with the lower side of the upper left frame (3), and the left side of the middle left frame (6) is an arc with a vertex protruding outward.

8. The aluminum alloy profile for a high-strength sill beam of an automobile according to claim 1, wherein: The left frame (7) is a hexagon, the lower right side (701) is collinear with the left side of the middle left frame (6), the upper right side (702) is collinear with the lower left part of the left side of the upper left frame (3), the bottom side is located on the extension line of the left end of the lower side of the middle left frame (6), the upper side (704) is an inclined line with the left end being low and the right end being high, the right end of the upper side (704) is located at the mid - point on the left side of the upper left frame (3), the upper left side (706) is an inclined line with the left end being low and the right end being high, and the lower left side (705) is an inclined line with the left end being high and the right end being low.

9. The aluminum alloy profile for a high-strength threshold beam of an automobile according to claim 1, characterized in that: The lower right frame (8) is a quadrilateral, the right side of the lower right frame (8) is located on the extension line of the lower right end of the right side of the middle frame (5), the upper side of the lower right frame (8) is collinear with the lower side of the middle frame (5), the left side of the lower right frame (8) is an arc with a vertex protruding outward, and the lower side of the lower right frame (8) is an inclined line with the right end being high and the left end being low.

10. The aluminum alloy profile for a high-strength sill beam of an automobile according to claim 1, wherein: The lower middle frame (9) is quadrilateral. The right side of the lower middle frame (9) is collinear with the upper left part of the left side of the lower right frame (8). The upper side of the lower middle frame (9) is collinear with the lower side of the middle left frame (6). The lower side of the lower middle frame (9) is a horizontal line. The right end of the lower side of the lower middle frame (9) is located at the lower part of the left side of the lower right frame (8). The left side of the lower middle frame (9) is an arc with the vertex concave inward.

11. The aluminum alloy profile for a high-strength sill beam of an automobile according to claim 1, characterized in that: The lower left frame (10) is pentagonal. The right side of the lower left frame (10) is collinear with the left side of the lower middle frame (9). The upper side of the lower left frame (10) is collinear with the lower side of the left frame (7). The upper left side of the lower left frame (10) is an inclined line with the left end higher than the right end. The lower left side of the lower left frame (10) is an inclined line with the left end higher than the right end.

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