Extrusion forming air bag support
The aluminum alloy airbag bracket manufactured through the extrusion molding process solves the problem of heavy weight of the existing steel plate welded airbag bracket, and reduces weight and costs, meeting the needs of lightweight and cost reduction in vehicles.
Patent Information
- Application Number
- CN202420343812.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-23
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-02-23
AI Technical Summary
The suspension structure airbag bracket of existing heavy trucks is made of steel plate welded, resulting in large weight, large volume and high cost, increasing the quality of the entire vehicle, making it difficult to achieve the need for lightweight and cost reduction.
The airbag bracket is made using 6061-T6 aluminum alloy material through the L-shaped mold lateral extrusion molding process. It is designed with frame bolt installation holes, stress reduction round corners, airbag bolt installation holes, air intake hole slots and weight reduction round corners to reduce itself. Volume and improve space utilization.
It has achieved a reduction in weight of 2Kg for a single piece and a reduction in weight of 16Kg for the whole vehicle, reducing component costs and meeting the needs of lightweighting and cost reduction in vehicles.
Smart Images
Figure CN222291421U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an air bag bracket using an extrusion molding process, belonging to the technical field of heavy-duty automobile parts. Background Art
[0002] As the demand for heavy trucks increases, the market's requirements for vehicle weight and cost are also getting higher and higher. Under the conditions permitted by regulations, light weight and more cargo have become the trend of the heavy truck industry, that is, lightweight design and cost reduction design of the whole vehicle. By reducing the curb weight, the power of the whole vehicle can be improved, exhaust emissions can be reduced, and fuel saving can be achieved. At the same time, since the total weight of the vehicle and cargo remains unchanged, the lighter the front of the vehicle means the more cargo it can carry, and the higher the economy. Therefore, lightweighting has become a development trend in all walks of life. Reducing the cost of parts can reduce the manufacturing cost of the whole vehicle and bring greater economic value to users. The function of the airbag bracket is to connect the frame and the airbag, and it is the support part of the airbag. At present, the suspension structure airbag brackets of existing heavy trucks are all made of welded steel plates, which are heavy, large in size, and high in cost, increasing the quality of the whole vehicle. Summary of the invention
[0003] The technical problem to be solved by the utility model is to provide an extruded airbag bracket to reduce its own volume and improve space utilization in view of the defects of the prior art.
[0004] To solve this technical problem, the utility model provides an extruded airbag bracket, including an airbag bracket body, the overall cross-section of the airbag bracket body is "L"-shaped, and is provided with a frame bolt mounting hole, a stress reduction fillet, an airbag bolt mounting hole, an air intake hole groove, a weight reduction fillet, an airbag bolt machined surface and a frame bolt machined surface. The frame bolt mounting hole is arranged on the vertical surface of the airbag bracket body, the airbag bolt mounting hole is arranged on the plane of the airbag bracket body, and the air intake hole groove is located in the middle of the front side of the plane of the airbag bracket body.
[0005] The frame bolt mounting hole is a bolt hole, and the bolt hole is provided with a machined surface.
[0006] The roots of the inner and outer surfaces of the airbag support body are provided with stress-reducing fillets, and the radius of the fillets is 20 mm.
[0007] The airbag bolt mounting hole on the bottom plane of the airbag bracket body is provided with a machined surface.
[0008] An airbag air inlet installation groove is provided at the bottom of the airbag support body to prevent interference between the airbag air inlet and the airbag support installation.
[0009] The bottom of the airbag support body is provided with R30 fillet for weight reduction.
[0010] The airbag bracket body is made of 6061-T6 aluminum alloy and is formed by side extrusion through an L-shaped die. The overall thickness is 13 mm, the length is 132 mm, the width is 80 mm, and the height is 61 mm.
[0011] The airbag bracket body is connected to the vehicle frame through the frame bolt mounting hole using the frame connecting bolts, the airbag is connected to the airbag bracket body through the airbag bolt mounting hole using the airbag connecting bolts, and the airbag air inlet is placed at the air inlet hole groove.
[0012] Beneficial effect: Compared with the existing steel plate welded airbag bracket, the airbag bracket made by the utility model through the extrusion molding process can effectively reduce the weight of a single piece by 2Kg and the weight of the whole vehicle by 16Kg. The utility model optimizes the design of the component shape, reduces its own volume, improves space utilization, and meets the needs of vehicle lightweighting and cost reduction. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a front view schematic diagram of the utility model;
[0014] Figure 2 It is a side view schematic diagram of the utility model;
[0015] Figure 3 It is a top view schematic diagram of the utility model;
[0016] Figure 4 It is an axonometric diagram of the structure of the utility model;
[0017] Figure 5 It is the installation diagram of the utility model.
[0018] In the figure: 1. Frame bolt mounting hole; 2. Stress reduction fillet; 3. Airbag bolt mounting hole; 4. Air intake slot; 5. Weight reduction fillet; 6. Airbag bolt machined surface; 7. Frame bolt machined surface; 8. Frame; 9. Airbag bracket body; 10. Airbag; 11. Frame connecting bolt; 12. Airbag connecting bolt; 13. Airbag air inlet. DETAILED DESCRIPTION
[0019] The utility model is described in detail below in conjunction with the accompanying drawings and embodiments.
[0020] like Figure 1-Figure 5As shown, the utility model provides an extruded airbag bracket, including an airbag bracket body 9, the overall cross-section of the airbag bracket body 9 is "L"-shaped, and is provided with two frame bolt mounting holes 1, a stress reduction fillet 2, an airbag bolt mounting hole 3, an air intake hole groove 4, a weight reduction fillet 5, an airbag bolt machined surface 6 and a frame bolt machined surface 7. The frame bolt mounting hole 1 is arranged on the vertical surface of the airbag bracket body 9, the two airbag bolt mounting holes 3 are arranged on the plane of the airbag bracket body 9, and the air intake hole groove 4 is located in the middle of the front side of the plane of the airbag bracket body 9.
[0021] The frame bolt mounting hole 1 is a φ14 bolt hole, the bolt hole is provided with a machined surface, and the roughness of the bolt mounting surface is designed to ensure the tightness of the nut.
[0022] The roots of the inner and outer surfaces of the airbag support body 9 are provided with stress-reducing fillets 2, the radius of which is 20 mm, to prevent stress concentration.
[0023] The airbag bolt mounting hole 3 on the bottom plane of the airbag bracket body 9 is provided with a machined surface to ensure the tightness of the nut.
[0024] An airbag air inlet installation groove is provided at the bottom of the airbag support body 9 to prevent interference between the airbag air inlet and the airbag support installation.
[0025] The bottom of the airbag support body 9 is provided with R30 fillet, which can further reduce weight, ensure its own strength and aesthetics.
[0026] The airbag support body 9 is made of 6061-T6 aluminum alloy and is formed by lateral extrusion through an L-shaped mold. The overall thickness is 13 mm, the length is 132 mm, the width is 80 mm, and the height is 61 mm. The mold is simple and the mold manufacturing cost is low.
[0027] The airbag support body 9 is connected to the frame 8 through the frame bolt mounting hole 1 using the frame connecting bolt 11, the airbag 10 is connected to the airbag support body 9 through the airbag bolt mounting hole 3 using the airbag connecting bolt 12, and the airbag air inlet 13 is placed at the air inlet hole groove 4.
[0028] The utility model optimizes the design of component shape and manufactures the airbag bracket through L-shaped die lateral extrusion molding process. Compared with the existing steel plate welded airbag bracket, the single piece can effectively reduce weight by 2Kg and reduce cost by 10 yuan. For 8-airbag suspension, the whole vehicle can reduce weight by 16Kg and reduce cost by 80 yuan. The utility model reduces its own volume, improves space utilization, and meets the needs of vehicle lightweighting and cost reduction.
[0029] The above embodiments of the present invention are merely illustrative and not exclusive, and all modifications within the scope of the present invention or equivalent to the scope of the present invention are encompassed by the present invention.
Claims
1. An extruded airbag stent, characterized in that: The invention comprises an airbag support body (9), wherein the overall cross-section of the airbag support body (9) is in an "L" shape and is provided with a frame bolt mounting hole (1), a stress reduction fillet (2), an airbag bolt mounting hole (3), an air intake hole groove (4), a weight reduction fillet (5), an airbag bolt machined surface (6) and a frame bolt machined surface (7), wherein the frame bolt mounting hole (1) is arranged on the vertical surface of the airbag support body (9), the airbag bolt mounting hole (3) is arranged on the plane of the airbag support body (9), and the air intake hole groove (4) is located in the middle of the front side of the plane of the airbag support body (9).
2. The extruded airbag bracket according to claim 1, characterized in that: The frame bolt mounting hole (1) is a bolt hole, and the bolt hole is provided with a machined surface.
3. The extruded airbag bracket according to claim 1, characterized in that: The roots of the inner and outer surfaces of the airbag support body (9) are provided with stress-reducing fillets (2), and the radius of the stress-reducing fillets (2) is 20 mm.
4. The extruded airbag bracket according to claim 1, characterized in that: The airbag bolt mounting hole (3) on the bottom plane of the airbag support body (9) is provided with a machined surface.
5. The extruded airbag bracket according to claim 1, characterized in that: An airbag air inlet installation groove is provided at the bottom of the airbag support body (9) to prevent interference between the airbag air inlet and the airbag support installation.
6. The extruded airbag bracket according to claim 1, characterized in that: The bottom of the airbag support body (9) is provided with an R30 fillet for weight reduction.
7. The extruded airbag stent according to claim 1, characterized in that: The airbag support body (9) is made of 6061-T6 aluminum alloy and is formed by side extrusion using an L-shaped die. The overall thickness is 13 mm, the length is 132 mm, the width is 80 mm, and the height is 61 mm.
8. The extruded airbag stent according to any one of claims 1 to 7, characterized in that: The airbag support body (9) is connected to the vehicle frame (8) through the vehicle frame bolt mounting hole (1) using the frame connecting bolt (11); the airbag (10) is connected to the airbag support body (9) through the airbag bolt mounting hole (3) using the airbag connecting bolt (12); and the airbag air inlet (13) is disposed at the air inlet hole groove (4).