Automobile bumper structure

Abstract

The invention belongs to an automobile bumper structure in the technical field of automobile parts. The outer plate (2) is made of metal rubber materials and is of a plate structure protruding forwards, the framework (3) is made of metal rubber materials, the buffering components (4) are made of metal rubber materials and are of a spiral structure, the framework (3) comprises a framework body (6) and connecting side portions (7), the framework side portions (7) are arranged on the sides of the framework body (6) respectively, and the connecting side portions (7) are connected with the framework body (6). And the buffer component (4) is connected with the framework body (6) and the outer plate (2). According to the automobile bumper structure, the structure is simple, the buffering effect of an automobile bumper can be greatly improved, the weight of an automobile body cannot be additionally increased, the drag coefficient of the automobile is greatly reduced, the durability, vibration reduction and strength are greatly improved, and the overall performance of the bumper is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of automobile parts, and more specifically, relates to an automobile bumper structure. Background Art

[0002] At present, most car bumpers are made of plastic materials. Plastic bumpers are simple to shape and light in weight, making them the mainstream products of car bumpers. However, the durability, strength, vibration isolation, service life, elasticity, and wind resistance coefficient of plastic bumpers need to be improved. Therefore, a new type of bumper is needed to significantly improve the performance.

[0003] The prior art has a technology named "car bumper" and a publication (announcement) number of "CN2265931Y", which relates to a car bumper, belonging to a car anti-collision device. It is mainly composed of a rubber cover (1), an inner belt (2), a metal guard plate (3), a fixing bolt (4) and other parts, characterized in that the inner belt (2) is installed in the rubber cover (1), the rubber cover (1) is fixedly connected to one side of the metal guard plate (3), and a fixing bolt (4) is provided on the other side of the metal guard plate (3). Compared with the prior art, the utility model has a simple structure and is easy to manufacture. It replaces the existing rigid structure with a flexible or elastic structure, and more effectively reduces the damage caused by a collision accident.

[0004] In the prior art, there is a technology named "elastic automobile bumper" and the publication (announcement) number is "CN2785921Y". This technology provides an elastic automobile bumper, which has a movable plate with multiple guide rods fixedly arranged on the inner side, a fixed plate for fixed connection with the vehicle body arranged with the movable plate, a metal spring is installed on the guide rod between the movable plate and the fixed plate, an elastic rubber sleeve is fixedly assembled on the outside of the metal spring through the circular seat arranged on the movable plate and the fixed plate, and a locking nut for assembling and adjusting the elastic tension is arranged at the end of the guide rod outside the fixed plate. Since the metal spring and elastic rubber sleeve buffer mechanism are arranged in the bumper component, the utility model can play a buffering and force reduction role on the impact, so compared with the bumper with a rigid structure, it has a better protection effect on the vehicle, and its elastic rubber sleeve configuration structure makes the assembly position of the movable plate relative to the fixed plate stable, thereby reducing the vibration of the movable plate and the vibration noise generated thereby when the car is driving normally.

[0005] However, this technology does not involve the technical problems and technical solutions of the present application. Summary of the invention

[0006] The technical problem to be solved by the present invention is: in view of the deficiencies in the prior art, a simple structure is provided, which can greatly improve the buffering effect of the automobile bumper without adding extra weight to the vehicle body, thereby greatly reducing the wind resistance coefficient of the vehicle, greatly improving durability, vibration reduction and strength, and improving the overall performance of the automobile bumper structure.

[0007] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is:

[0008] The present invention is a car bumper structure, comprising an outer panel, a frame, and a buffer component. The outer panel is a metal rubber material outer panel, the outer panel is a forward convex plate structure, the frame is a metal rubber material frame, the buffer component is a metal rubber material buffer component, the buffer component includes multiple buffer components, the buffer component is a spiral structure, the frame includes a frame body and connecting side parts, the frame side parts are respectively arranged on each side of the frame body, and the buffer component connects the frame body and the outer panel.

[0009] The outer plate comprises an outer plate body, a metal mesh wire portion and an outer plate connecting portion.

[0010] The outer plate body, the metal mesh wire part and the outer plate connecting part of the outer plate are configured as a structure formed by pressing a plurality of spiral metal rubber wires through a stamping / rolling die.

[0011] The metal mesh wire portion includes horizontal metal mesh wires and vertical metal mesh wires.

[0012] The outer plate body and the outer plate connecting part of the outer plate are an integrated structure, and the outer plate body and the metal mesh wire part of the outer plate are an integrated structure.

[0013] The skeleton body of the skeleton is provided with a plurality of rear positioning grooves of the buffer components in the front, and the outer plate body of the outer plate is provided with a plurality of front positioning grooves of the buffer components in the rear. The rear of each buffer component is clamped in the corresponding rear positioning groove of the buffer component, and the front of each buffer component 4 is clamped in the corresponding front positioning groove of the buffer component.

[0014] The connecting side parts on each side of the frame body of the frame are respectively connected to the outer plate connecting parts of the outer plate, and the outer plate body of the outer plate is connected to the frame body.

[0015] The connecting side portion on each side of the frame body of the frame is respectively provided with an outer folding edge, and each outer folding edge and the corresponding connecting side portion are an integrated structure.

[0016] The connecting side and outer folding edge of the frame are L-shaped structures, the outer folding edge and the outer plate connecting part are connected by screws, and the connecting side on each side of the frame body of the frame is connected to the outer plate connecting part of the outer plate by screws respectively.

[0017] The technical solution of the present invention is adopted, and the working principle and beneficial effects are as follows:

[0018] The automobile bumper structure of the present invention comprises an outer plate, a frame and a buffer component, wherein the outer plate is made of a metal rubber material, the frame is made of a metal rubber material and the buffer component is made of a metal rubber material, so that a automobile bumper with a special structure and superior performance is formed. The outer plate is a plate structure with a forward protrusion, and the structure of the outer plate is suitable for vehicle requirements. When the outer plate is made, metal wires of a certain mass, stretched and spirally formed metal rubber are orderly arranged in a stamping die or a rolling die, and then the outer plate is formed by a cold stamping method, so that the outer plate of the bumper is made. The outer plate of this structure utilizes the plasticity of the metal rubber. The frame comprises a frame body and a connecting side part, and the frame side parts are respectively arranged on each side of the frame body. When the frame is made, the metal rubber material is folded and bent to form a deformable foam plastic structure instead of the frame, so that the service life of the frame is greatly improved and the elasticity and vibration reduction effect of the foam plastic are maintained. The structural design of the buffer component between the frame and the outer panel is also an innovative design of the automobile bumper of the present invention in terms of vibration reduction. It is more convenient and cost-effective than the traditional vibration-damping plastic or the method of placing a spring in the middle. The buffer material is made of metal rubber material, and the buffer component includes multiple buffer components. The buffer component is a spiral structure, and the buffer component connects the frame body and the outer panel. The buffer material has the strength of metal and the plasticity of plastic. Multiple buffer components are arranged in different positions, and the vibration-damping material can be replaced in each position, which meets the original functional intention of the automobile bumper. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The following is a brief description of the contents and symbols in the drawings of this specification:

[0020] Figure 1 It is a structural schematic diagram of the automobile bumper structure of the present invention;

[0021] Figure 2 It is a structural schematic diagram of the automobile bumper structure of the present invention;

[0022] Marked as follows in the attached drawings: 1. bumper structure; 2. outer panel; 3. frame; 4. buffer component; 5. outer folding edge; 6. frame body; 7. connecting side; 8. outer panel body; 9. metal mesh wire part; 10. outer panel connecting part; 11. horizontal metal mesh wire; 12. vertical metal mesh wire. DETAILED DESCRIPTION

[0023] The following is a further detailed description of the specific implementation of the present invention, such as the shape, structure, mutual position and connection relationship between the various components involved, the function and working principle of each part, etc., through the description of the embodiments with reference to the accompanying drawings:

[0024] As attached Figure 1 -Attached Figure 2 As shown, the present invention is a car bumper structure, including an outer panel 2, a frame 3, and a buffer component 4. The outer panel 2 is a metal rubber material outer panel, and the outer panel 2 is a forward convex plate structure. The frame 3 is a metal rubber material frame. The buffer component 4 is a metal rubber material buffer component. The buffer component 4 includes a plurality of buffer components, and the buffer component 4 is a spiral structure. The frame 3 includes a frame body 6 and a connecting side portion 7. The frame side portion 7 is respectively arranged on each side of the frame body 6. The buffer component 4 connects the frame body 6 and the outer panel 2. The above structure proposes an improved technical solution to address the deficiencies in the prior art. When the structure is set, the outer panel 2, the frame 3, and the buffer component 4 are respectively made of metal rubber material, the frame 3 is made of metal rubber material, and the buffer component 4 is made of metal rubber material. In this way, a car bumper with a special structure and superior performance is formed. The outer panel 2 is a forward convex plate structure, and the structure of the outer panel 2 is suitable for vehicle requirements. When the outer plate 2 is made, a certain mass of stretched, spiral metal rubber wires are orderly arranged in a stamping die or a rolling die, and then the outer plate is formed by a cold stamping method, so that the outer plate of the bumper is completed. The outer plate of this structure utilizes the plasticity of the metal rubber. The skeleton 3 includes a skeleton body 6 and a connecting side 7, and the skeleton side 7 is respectively arranged on each side of the skeleton body 6. When the skeleton is made, the metal rubber material is folded and bent to form a structure that replaces the skeleton with a deformable foam plastic. In this way, the service life of the skeleton is greatly improved, and the elasticity and vibration reduction effect of the foam plastic are maintained. The structural design of the buffer component between the skeleton and the outer plate is also an idea of ​​the automobile bumper of the present invention in vibration reduction, which is more convenient and cost-saving than the traditional vibration reduction plastic or the method of placing a spring in the middle. The buffer material is made of metal rubber material, and the buffer component 4 includes a plurality of buffer components 4, which are spiral structures, and the buffer component 4 connects the skeleton body 6 and the outer plate 2. The buffer material has the strength of metal and the plasticity of plastic. Multiple buffer components are arranged at different positions, so that the vibration-damping materials can be replaced at various positions, which is in line with the original intention of the function of the automobile bumper. The automobile bumper structure of the present invention has a simple structure, can greatly improve the buffering effect of the automobile bumper, and will not increase the weight of the vehicle body, so that the wind resistance coefficient of the vehicle is greatly reduced, and the durability, vibration reduction and strength are greatly improved, thereby improving the overall performance of the bumper.

[0025] The outer panel 2 includes an outer panel body 8, a metal mesh wire portion 9 and an outer panel connecting portion 10. The outer panel body 8, the metal mesh wire portion 9 and the outer panel connecting portion 10 of the outer panel 2 are configured as a structure formed by pressing a plurality of spiral metal rubber wires through a stamping / rolling die. In the above structure, the outer panel body 8, the metal mesh wire portion 9 and the outer panel connecting portion 10 are formed in one piece, the processing technology is simple, and the outer panel body 8, the metal mesh wire portion 9 and the outer panel connecting portion 10 have the elasticity and vibration reduction effect required by the automobile bumper, meeting the requirements.

[0026] The metal mesh wire part 9 includes transverse metal mesh wires 11 and vertical metal mesh wires 12. The metal mesh wire part 9 is a hollow structure, and the outer plate 2 also has porous streamline characteristics, which reduces the wind resistance coefficient of the vehicle, greatly improves the speed and smoothness of the vehicle body, and improves performance.

[0027] The outer plate body 8 and the outer plate connecting part 10 of the outer plate 2 are an integrated structure, and the outer plate body 8 and the metal mesh wire part 9 of the outer plate 2 are an integrated structure. In the above structure, the outer plate connecting part and the outer plate body are an integrated structure, and the outer plate connecting part is used for connecting the bumper structure.

[0028] The front of the skeleton body 6 of the skeleton 3 is provided with a plurality of buffer component rear positioning grooves, the rear of the outer plate body 8 of the outer plate 2 is provided with a plurality of buffer component front positioning grooves, the rear of each buffer component 4 is clamped in the corresponding buffer component rear positioning groove, and the front of each buffer component 4 is clamped in the corresponding buffer component front positioning groove. In the above structure, the plurality of buffer component front positioning grooves and the plurality of buffer component front positioning grooves are used for positioning the buffer components.

[0029] The connecting side parts 7 on each side of the skeleton body 6 of the skeleton 3 are respectively connected to the outer panel connecting parts 10 of the outer panel 2, and the outer panel body 8 of the outer panel 2 is connected to the skeleton body 6. The connecting side parts 7 on each side of the skeleton body 6 of the skeleton 3 are respectively provided with outer folding edges 5, and each outer folding edge 5 and the corresponding connecting side parts 7 are an integrated structure. The connecting side parts 7 and the outer folding edges 5 of the skeleton 3 are L-shaped structures, and the outer folding edges 5 and the outer panel connecting parts 10 are connected by screws. The connecting side parts 7 on each side of the skeleton body 6 of the skeleton 3 are respectively connected to the outer panel connecting parts 10 of the outer panel 2 by screws. The above structure reliably realizes the connection of corresponding components through screws, which meets the vehicle requirements.

[0030] The automobile bumper structure of the present invention comprises an outer plate 2, a frame 3, and a buffer component 4, wherein the outer plate 2 is made of a metal rubber material, the frame 3 is made of a metal rubber material, and the buffer component 4 is made of a metal rubber material. Thus, a car bumper with a special structure and superior performance is formed. The outer plate 2 is a convex plate structure, and the structure of the outer plate 2 is suitable for vehicle requirements. When the outer plate 2 is manufactured, metal wires of a certain mass, stretched and spirally formed metal rubber are orderly arranged in a stamping die or a rolling die, and then the outer plate 2 is formed by a cold stamping method, so that the manufacture of the outer plate 2 of the bumper structure 1 is completed. The outer plate 2 of this structure utilizes the plasticity of the metal rubber. The frame 3 comprises a frame body 6 and a connecting side part 7, and the frame side parts 7 are respectively arranged on each side of the frame body 6. When the frame 3 is manufactured, the metal rubber material is folded and bent to form a deformable foam plastic structure instead of the frame. Thus, the service life of the frame is greatly improved, and the elasticity and vibration reduction effect of the foam plastic are maintained. The structural design of the buffer component 4 between the frame and the outer panel is also an innovative design of the automobile bumper of the present invention in terms of vibration reduction. Compared with the traditional vibration-damping plastic or the method of placing a spring in the middle to reduce vibration, it is more convenient and cost-effective. The buffer material is made of metal rubber material, and the buffer component 4 includes multiple buffer components 4. The buffer component 4 is a spiral structure, and the buffer component 4 connects the frame body 6 and the outer panel 2. The buffer material has the strength of metal and the plasticity of plastic. Multiple buffer components 4 are arranged in different positions, so that the vibration-damping material can be replaced in each position, which meets the original functional intention of the automobile bumper.

[0031] The present invention is described above by way of example in conjunction with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. An automobile bumper structure, characterized in that: The invention comprises an outer plate (2), a frame (3), and a buffer component (4); the outer plate (2) is a metal rubber material outer plate, the outer plate (2) is a forward convex plate structure, the frame (3) is a metal rubber material frame, the buffer component (4) is a metal rubber material frame, the buffer component (4) comprises a plurality of buffer components (4), the buffer component (4) is a spiral structure, the frame (3) comprises a frame body (6) and a connecting side part (7), each side of the frame body (6) is respectively provided with a frame side part (7), and the buffer component (4) connects the frame body (6) and the outer plate (2).

2. The automobile bumper structure according to claim 1, characterized in that: The outer plate (2) comprises an outer plate body (8), a metal mesh wire portion (9) and an outer plate connecting portion (10).

3. The automobile bumper structure according to claim 2, characterized in that: The outer plate body (8), the metal mesh wire part (9) and the outer plate connecting part (10) of the outer plate (2) are configured as a structure formed by pressing a plurality of spiral metal rubber wires through a stamping / rolling die.

4. The automobile bumper structure according to claim 2 or 3, characterized in that: The metal mesh wire portion (9) comprises transverse metal mesh wires (11) and vertical metal mesh wires (12).

5. The automobile bumper structure according to claim 2 or 3, characterized in that: The outer plate body (8) and the outer plate connecting part (10) of the outer plate (2) are an integrated structure, and the outer plate body (8) and the metal mesh wire part (9) of the outer plate (2) are an integrated structure.

6. The automobile bumper structure according to claim 1 or 2, characterized in that: The frame body (6) of the frame (3) is provided with a plurality of rear positioning grooves for buffer components in front, and the outer plate body (8) of the outer plate (2) is provided with a plurality of front positioning grooves for buffer components in the rear. The rear of each buffer component (4) is clamped in the corresponding rear positioning groove of the buffer component, and the front of each buffer component (4) is clamped in the corresponding front positioning groove of the buffer component.

7. The automobile bumper structure according to claim 6, characterized in that: The connecting side parts (7) on each side of the frame body (6) of the frame (3) are respectively connected to the outer plate connecting parts (10) of the outer plate (2), and the outer plate body (8) of the outer plate (2) is connected to the frame body (6).

8. The automobile bumper structure according to claim 1 or 2, characterized in that: The connecting side portion (7) on each side of the frame body (6) of the frame (3) is respectively provided with an outer folding edge (5), and each outer folding edge (5) and the corresponding connecting side portion (7) are an integrated structure.

9. The automobile bumper structure according to claim 8, characterized in that: The connecting side portion (7) and the outer folding edge (5) of the frame (3) are L-shaped structures, the outer folding edge (5) and the outer plate connecting portion (10) are connected by screws, and the connecting side portion (7) on each side of the frame body (6) of the frame (3) is respectively connected to the outer plate connecting portion (10) of the outer plate (2) by screws.

Images