Impact-resistant aluminum alloy rear floor frame of passenger car

Abstract

The utility model belongs to the technical field of passenger car floor structures, and particularly relates to a passenger car anti-impact aluminum alloy rear floor frame which comprises an outer frame, a plurality of cross beams are assembled on the inner side of the outer frame, supporting pieces are arranged between the two ends of each cross beam and the outer frame, and buffering pieces are arranged at the positions, close to the two ends, of the bottom faces of the cross beams. A plurality of base plates are assembled on the top face of the outer frame, and a plurality of locking pieces are arranged among the outer frame, the cross beam and the base plates. The supporting piece comprises a plurality of supporting plates arranged on the inner wall of the outer frame, the supporting plates are of U-shaped structures, the two ends of the cross beam are located on the inner sides of the supporting plates, the side walls of the supporting plates are in threaded connection with a plurality of bolts, and the bolts are in threaded connection with the outer frame. The buffering performance between the frames can be improved, impact resistance is achieved when a vehicle bumps, and therefore the overall service life is prolonged.

Description

Technical Field

[0001] This utility model belongs to the field of passenger vehicle floor structure technology, specifically relating to an impact-resistant aluminum alloy rear floor frame for passenger vehicles. Background Technology

[0002] The aluminum alloy floor frame for passenger vehicles is a crucial component in modern automobile manufacturing, used to support the vehicle body and bear the loads inside. It is generally assembled from various aluminum alloy profiles through welding, riveting, or bolting. These profiles have different shapes and sizes depending on the different stress requirements and vehicle body structure designs.

[0003] Existing floor frames are typically composed of welded steel frames and metal sheets. The overall impact resistance of the floor frame is poor. When the vehicle is bumpy during driving, the steel frame is easily deformed by the vehicle's movement. Furthermore, when the steel frame structure is subjected to bending forces, its welded parts are also prone to cracking and loosening, thereby reducing the durability of the floor frame. Utility Model Content

[0004] The purpose of this invention is to provide an impact-resistant aluminum alloy rear floor frame for passenger vehicles, which can increase the cushioning performance between frames, resist impacts when the vehicle is bumpy, and thus extend the overall service life.

[0005] The specific technical solution adopted by this utility model is as follows:

[0006] An impact-resistant aluminum alloy rear floor frame for passenger vehicles includes an outer frame, a plurality of crossbeams are mounted on the inner side of the outer frame, support members are provided between the two ends of the crossbeams and the outer frame, buffer members are provided on the bottom surface of the crossbeams near the two ends, a plurality of pads are mounted on the top surface of the outer frame, and a plurality of locking members are provided between the outer frame, the crossbeams and the pads.

[0007] Furthermore, the support member includes several support plates disposed on the inner wall of the outer frame. The support plates are U-shaped structures. The two ends of the crossbeam are located on the inner side of the support plates. Multiple bolts are threadedly connected to the side walls of the support plates, and the bolts are threadedly connected to the outer frame.

[0008] Furthermore, the buffer component includes four positioning cylinders fixedly connected to the bottom inner side of the support plate, and four buffer columns are fixedly connected to the bottom surface of the crossbeam near both ends, with the buffer columns being adapted to the positioning cylinders.

[0009] Furthermore, a limiting ring is fixedly connected to the side wall of the buffer column, and the limiting ring is located on the upper side of the positioning cylinder.

[0010] Furthermore, the locking component includes several buffer pads fixedly connected to the top surface of the outer frame and the crossbeam. Each buffer pad has a threaded sleeve fixedly connected to its top surface. The top surface of the pad has several countersunk holes, each countersunk hole containing a screw, which is threadedly connected to the threaded sleeve.

[0011] Furthermore, a support beam is fixedly connected to the inner wall of the outer frame on the lower side of the crossbeam.

[0012] The technical effects achieved by this utility model are as follows:

[0013] This utility model discloses an impact-resistant aluminum alloy rear floor frame for passenger vehicles. Through the cooperation of the outer frame, crossbeams, pads, and buffer components, the impact caused by vehicle bumps can be buffered by setting buffer components and locking components. The buffer columns are made of flexible material, which allows for slight displacement and deformation between the crossbeams and pads, thereby improving the durability of the floor frame. Attached Figure Description

[0014] Figure 1 This is a perspective view of the present invention;

[0015] Figure 2 This is a schematic diagram of the disassembled structure of this utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the crossbeam of this utility model;

[0017] Figure 4 This is a bottom view of the crossbeam structure of this utility model;

[0018] Figure 5 This is a utility model Figure 2 Enlarged view of point A in the image.

[0019] The attached diagram lists the components represented by each number as follows:

[0020] 1. Outer frame; 2. Crossbeam; 3. Support plate; 4. Bolt; 5. Positioning cylinder; 6. Buffer column; 7. Pad; 8. Screw; 9. Buffer pad; 10. Screw sleeve; 11. Support beam. Detailed Implementation

[0021] To make the objectives and advantages of this utility model clearer, the following detailed description is provided in conjunction with embodiments. It should be understood that the following text is merely used to describe one or more specific embodiments of this utility model and does not strictly limit the scope of protection specifically claimed by this utility model.

[0022] like Figures 1-5As shown, an impact-resistant aluminum alloy rear floor frame for a passenger vehicle includes an outer frame 1, a plurality of crossbeams 2 are mounted on the inner side of the outer frame 1, support members are provided between the two ends of the crossbeams 2 and the outer frame 1, buffer members are provided on the bottom surface of the crossbeams 2 near the two ends, a plurality of pads 7 are mounted on the top surface of the outer frame 1, and a plurality of locking members are provided between the outer frame 1, the crossbeams 2 and the pads 7.

[0023] The shapes of the outer frame 1 and the crossbeam 2 are not limited to those in this design. In practical applications, they can be set according to the shape of the vehicle's interior space.

[0024] like Figure 5 As shown, the support component includes several support plates 3 mounted on the inner wall of the outer frame 1. The support plates 3 have a U-shaped structure, and the two ends of the crossbeam 2 are located inside the support plates 3. Multiple bolts 4 are threadedly connected to the side walls of the support plates 3, and the bolts 4 are threadedly connected to the outer frame 1. The support plates 3 form a wrapping support structure for the crossbeam 2. During assembly, the crossbeam 2 can be directly placed inside the support plates 3, which can accommodate slight deformation caused by vehicle bumps and facilitate repositioning.

[0025] like Figure 3 and Figure 5 As shown, the buffer includes four positioning cylinders 5 fixedly connected to the bottom inner side of the support plate 3, and four buffer columns 6 fixedly connected to the bottom of the crossbeam 2 near both ends, with the buffer columns 6 being adapted to the positioning cylinders 5.

[0026] The buffer column 6 is made of rubber, which has a certain degree of elasticity. Rubber is highly elastic with a low elastic modulus. When subjected to external pressure or impact, it can undergo significant elastic deformation, converting mechanical energy into elastic potential energy within the rubber. When the external force is removed, the elastic potential energy is converted back into mechanical energy, causing the rubber to return to its original shape. This elastic deformation process effectively absorbs and buffers impact forces, reducing damage to objects. For example, using rubber shock absorbers in a car's suspension system can effectively buffer vibrations and impacts generated during vehicle operation, improving ride comfort.

[0027] like Figure 3 As shown, a limiting ring is fixedly connected to the side wall of the buffer column 6, and the limiting ring is located on the upper side of the positioning cylinder 5. The limiting ring is used to limit the extreme movement of the buffer column 6 to avoid excessive compression of the buffer column 6, which could cause damage or other problems.

[0028] like Figure 2 and Figure 5As shown, the locking mechanism includes several buffer pads 9 fixedly connected to the top surfaces of the outer frame 1 and the crossbeam 2. Each buffer pad 9 has a threaded sleeve 10 fixedly connected to its top surface. The top surface of the pad 7 has several countersunk holes, each containing a screw 8, which is threadedly connected to the threaded sleeve 10. The buffer pads 9 provide secondary impact resistance, creating a small gap between the pad 7 and the crossbeam 2. When the surface of the pad 7 is subjected to force, the buffer pads 9 can expand and contract, thus achieving efficient cushioning.

[0029] like Figure 2 As shown, a support beam 11 is fixedly connected to the inner wall of the outer frame 1 below the crossbeam 2. There can be multiple support beams 11, and their shapes can be irregular, which facilitates the support of the crossbeam 2 and further strengthens the support strength.

[0030] The working principle of this utility model is as follows: When assembling the floor frame, the support plate 3 is first fixed to the inner wall of the outer frame 1 one by one with bolts 4. Then, the crossbeam 2 is inserted into the support plate 3, and the buffer column 6 is inserted into the positioning cylinder 5. At this time, the gap between the limiting ring and the positioning cylinder 5 is the buffer gap. Then, the pad 7 is laid on the outer frame 1 and the crossbeam 2, and the screw 8 is screwed into the threaded sleeve 10 to fix the pad 7. When the vehicle bumps, the buffer column 6 can deform, so that the pad 7 will have slight displacement to relieve the impact and avoid the pad 7 from being deformed by the bumps.

[0031] The above description is merely a preferred embodiment of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model. Structures, devices, and operating methods not specifically described or explained in this utility model, unless otherwise specified or limited, shall be implemented using conventional methods in the field.

Claims

1. A passenger vehicle impact resistant aluminum alloy rear floor frame characterized by: The utility model provides a frame structure, including outer frame (1), a plurality of cross beams (2) are equipped inside the outer frame (1), support is arranged between the cross beam (2) both ends and outer frame (1), the bottom surface of cross beam (2) is close to the both ends and is provided with buffer, the top of outer frame (1) is equipped with a plurality of pad plate (7), a plurality of locking parts are arranged between outer frame (1), cross beam (2) and pad plate (7).

2. A passenger vehicle impact resistant aluminum alloy rear floor frame according to claim 1, characterized in that: The support includes a plurality of support plates (3) arranged on the inner wall of the outer frame (1), the support plates (3) are U-shaped structures, the both ends of the cross beam (2) are located inside the support plates (3), a plurality of bolts (4) are threadedly connected to the side walls of the support plates (3), and the bolts (4) are threadedly connected to the outer frame (1).

3. A passenger vehicle impact resistant aluminum alloy rear floor frame according to any one of claims 1-2, characterized in that: The buffer includes four positioning cylinders (5) fixedly connected to the bottom surface of the inner side of the support plate (3), four buffer columns (6) are fixedly connected to the bottom surface of the both ends of the cross beam (2), and the buffer columns (6) are matched with the positioning cylinders (5).

4. A passenger vehicle impact resistant aluminum alloy rear floor frame according to claim 3, characterized in that: The side wall of the buffer column (6) is fixedly connected with a limiting ring, and the limiting ring is located on the upper side of the positioning cylinder (5).

5. A passenger vehicle impact resistant aluminum alloy rear floor frame according to claim 1, characterized in that: The locking part includes a plurality of buffer pads (9) fixedly connected to the top surfaces of the outer frame (1) and the cross beam (2), a threaded sleeve (10) is fixedly connected to the top surface of each buffer pad (9), a plurality of counterbores are formed in the top surface of the pad plate (7), a screw (8) is arranged in each counterbore, and the screw (8) is threadedly connected to the threaded sleeve (10).

6. A passenger vehicle impact resistant aluminum alloy rear floor frame according to claim 1, characterized in that: The inner wall of the outer frame (1) is fixedly connected with a support beam (11) below the cross beam (2).

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