Rear bearing damping device of low-speed electric four-wheeler

Abstract

The utility model relates to the technical field of electric four-wheelers, in particular to a rear bearing damping device of a low-speed electric four-wheeler, which comprises an electric four-wheeler body, a rear hopper, a fender, a bearing seat and wheels, a bearing plate is fixedly mounted at the lower end of the rear hopper, and a support frame is fixedly mounted at the lower end of the bearing plate. Two bearing rods are installed at the lower end of the supporting frame in a hinged mode, springs are arranged between the bearing plate and the bearing rods, shock absorbers are arranged between the bearing plate and the bearing rods, the two bearing rods and the corresponding bearing seats on the two sides are rotationally installed, and the shock absorbers are located on one sides of the bearing seats. According to the rear bearing damping device of the low-speed electric four-wheeler, the spring and the damper are arranged in a separated mode, so that when the electric four-wheeler is loaded and stressed, the electric four-wheeler has better damping performance, the number of bearing points of the whole electric four-wheeler is increased, the bearing capacity of the electric four-wheeler is increased, and the practicability of the device is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric four-wheel car technical field especially relates to a low -speed electric four-wheel car rear bearing damping device. BACKGROUND

[0002] A low -speed electric four-wheel car rear bearing damping device is mainly used for improving the damping effect and bearing capacity of electric four-wheel car in the process of carrying heavy goods, guarantees the stability and comfort of vehicle operation. It effectively buffers the impact force received when the vehicle is loaded through the unique structure design, so that the vehicle can also travel smoothly under complex road conditions, while having the characteristics of easy installation and maintenance, improving the convenience and efficiency of vehicle use.

[0003] In practical application, this low -speed electric four-wheel car rear bearing damping device usually involves the following key elements:

[0004] 1. Connection structure: the wheel is tightly connected with the bearing seat, ensuring that the external force received by the wheel can be accurately transmitted to the bearing seat.

[0005] 2. Buffer mechanism: mainly rely on shock absorber and spring together.

[0006] 3. Material selection: all parts of the device, including the bearing rod, bearing seat, shock absorber shell and spring, are made of high strength and high toughness materials.

[0007] At present, in the process of manufacturing and maintaining low -speed electric four-wheel car, in order to realize the rear bearing damping function, a variety of types of damping devices are used. The damping effect of some damping devices is limited, which can only cope with small impact force, when the vehicle carries heavy goods or travels in bumpy road, it cannot effectively relieve the vibration, resulting in poor vehicle comfort and easy to be damaged. Some damping devices have insufficient bearing capacity, which limits the carrying capacity of the vehicle and affects its use function. In addition, the structure of some damping devices is complex, the installation and maintenance are difficult, a lot of time and labor cost is consumed, and the work efficiency is reduced.

[0008] However, the above-mentioned mode has a problem that the shock absorption performance, carrying capacity and use convenience of the shock absorption device in actual use are poor, especially in the low-speed electric four-wheeled vehicle which has certain requirements on comfort and carrying capacity, the existing shock absorption device is difficult to meet the efficient and stable use demand. In view of this problem, the present application provides a solution, and a rear carrying shock absorption device for low-speed electric four-wheeled vehicle is designed. When the vehicle is loaded with goods, the wheel is stressed, the force is transmitted to the carrying rod through the bearing seat, the carrying rod extrudes the shock absorber and the spring, and the two respectively buffer the impact force. This design makes the vehicle better cope with the impact when loaded and stressed, enhances the shock absorption, at the same time, since the spring and the shock absorber are arranged separately, the carrying point of the whole vehicle is increased, thereby the carrying capacity is improved, and the whole device structure is clear, the installation and maintenance are relatively simple, the comfort, reliability and use efficiency of the vehicle are improved, and the actual use demand of the rear carrying shock absorption device for low-speed electric four-wheeled vehicle is met. Content of the utility model

[0009] (I) technical problem solved

[0010] In view of the deficiencies of the prior art, the utility model provides a rear carrying shock absorption device for low-speed electric four-wheeled vehicle, and solves the technical problem that the shock absorption performance, carrying capacity and use convenience of the shock absorption device in actual use are poor, especially in the low-speed electric four-wheeled vehicle which has certain requirements on comfort and carrying capacity, the existing shock absorption device is difficult to meet the efficient and stable use demand.

[0011] (II) technical scheme

[0012] In order to achieve the above object, the utility model is realized by the following technical scheme:

[0013] A rear carrying shock absorption device for low-speed electric four-wheeled vehicle, comprising an electric four-wheeled vehicle body, a rear vehicle hopper, a mudguard, a bearing seat and a wheel, the lower end of the rear vehicle hopper is fixedly installed with a carrying plate, the lower end of the carrying plate is fixedly installed with a support frame, the lower end of the support frame is hingedly installed with two carrying rods, a spring is arranged between the carrying plate and the carrying rod, a shock absorber is arranged between the carrying plate and the carrying rod, the two carrying rods are rotatably installed with the corresponding bearing seat on the two sides, and the position of the shock absorber is located on one side of the bearing seat.

[0014] Preferably, the rear vehicle hopper is located behind the seat of the electric four-wheeled vehicle body, the mudguard is fixedly installed below the rear vehicle hopper, the position of the mudguard is located above the wheel, the wheel is fixedly installed on the bearing seat, the lower end of the carrying plate is fixedly installed with a support seat one, the upper end of the carrying rod is fixedly installed with a support seat two, a rotating block one is rotatably installed on the support seat one, a rotating block two is rotatably installed on the support seat two, the spring is fixedly installed between the rotating block one and the rotating block two, and a fastening bolt one is arranged between the support seat two and the rotating block two.

[0015] Preferably, the lower end of the bearing plate is fixedly installed with the support base three, the upper end of the bearing rod is fixedly installed with the support base four, the shock absorber is rotatably installed with the support base three, the shock absorber and the support base four are rotatably installed, and the fastening bolt two is arranged between the support base four and the shock absorber.

[0016] (Three) beneficial effects

[0017] I. By designing the low-speed electric four-wheeled vehicle rear bearing shock-absorbing device to be arranged separately by springs and shock absorbers, the electric four-wheeled vehicle has better shock-absorbing performance when loaded, the vehicle bearing point is increased, and the bearing capacity of the electric four-wheeled vehicle is increased, thereby effectively improving the practicality of the device.

[0018] II. By additionally installing the fastening bolt one and the fastening bolt two of the low-speed electric four-wheeled vehicle rear bearing shock-absorbing device, the bearing rod can be quickly disassembled during the maintenance of the low-speed electric four-wheeled vehicle rear bearing shock-absorbing device, thereby effectively improving the work efficiency of the maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0019] The above description is only a summary of the technical scheme of the present application, in order to more clearly understand the technical means of the present application, and the content of the specification can be implemented, the following is a preferred embodiment of the present application and the detailed description of the drawings.

[0020] Figure 1 It is the structure diagram of the whole electric four-wheeled vehicle of the present application;

[0021] Figure 2 It is the structure diagram of the bearing plate installation position of the present application;

[0022] Figure 3 It is the structure diagram of the bearing rod of the present application;

[0023] Figure 4 It is the structure diagram of the shock absorber of the present application.

[0024] Legend: 1, electric four-wheeled vehicle body; 11, rear hopper; 12, fender; 13, bearing seat; 14, wheel; 2, bearing plate; 21, support frame; 22, bearing rod; 23, support base one; 24, support base two; 25, rotating block one; 26, rotating block two; 27, spring; 28, fastening bolt one; 3, support base three; 31, support base four; 32, shock absorber; 33, fastening bolt two. DETAILED DESCRIPTION

[0025] The embodiment of the application provides a low-speed electric four-wheel vehicle rear bearing damping device, effectively solves the poor damping performance, bearing capacity and use convenience of the damping device in actual use, especially in the low-speed electric four-wheel vehicle which has certain requirements on comfort and cargo carrying capacity, and the existing damping device is difficult to meet the efficient and stable use requirements.

[0026] Embodiment

[0027] According to Figure 1 、 Figure 2 、 Figure 3 , and Figure 4 , the technical scheme in the embodiment of the application effectively solves the poor damping performance, bearing capacity and use convenience of the damping device in actual use, especially in the low-speed electric four-wheel vehicle which has certain requirements on comfort and cargo carrying capacity, and the existing damping device is difficult to meet the efficient and stable use requirements, and the overall idea is as follows:

[0028] In view of the problems in the prior art, the utility model provides a low-speed electric four-wheel vehicle rear bearing damping device, including electric four-wheel vehicle body 1, rear vehicle hopper 11, fender 12, bearing seat 13 and wheel 14, the lower end part of rear vehicle hopper 11 is fixedly installed with bearing plate 2, the lower end part of bearing plate 2 is fixedly installed with support frame 21, the lower end part of support frame 21 is hingedly installed with two bearing rods 22, spring 27 is arranged between bearing plate 2 and bearing rod 22, shock absorber 32 is arranged between bearing plate 2 and bearing rod 22, wherein, two bearing rods 22 are rotatably installed with corresponding bearing seat 13 on both sides, the position of shock absorber 32 is located on one side of bearing seat 13, when electric four-wheel vehicle body 1 is loaded, wheel 14 is stressed to drive bearing seat 13, bearing seat 13 is stressed to drive bearing rod 22, bearing rod 22 is stressed to extrude shock absorber 32, shock absorber 32 buffers stress, and bearing rod 22 is stressed to extrude spring 27, spring 27 is deformed under stress, and spring 27 deforms to buffer impact force.

[0029] The rear hopper 11 is located behind the seat of the electric four-wheeled vehicle body 1, the mudguard 12 is fixedly installed below the rear hopper 11, the position of the mudguard 12 is above the wheel 14, the wheel 14 is fixedly installed on the bearing seat 13, the lower end of the bearing plate 2 is fixedly installed with the support seat one 23, the upper end of the bearing rod 22 is fixedly installed with the support seat two 24, the rotating block one 25 is rotatably installed on the support seat one 23, the rotating block two 26 is rotatably installed on the support seat two 24, the spring 27 is fixedly installed between the rotating block one 25 and the rotating block two 26, the fastening bolt one 28 is arranged between the support seat two 24 and the rotating block two 26, the lower end of the bearing plate 2 is fixedly installed with the support seat three 3, the upper end of the bearing rod 22 is fixedly installed with the support seat four 31, the shock absorber 32 is rotatably installed with the support seat three 3, the shock absorber 32 is rotatably installed with the support seat four 31, the fastening bolt two 33 is arranged between the support seat four 31 and the shock absorber 32, the rotating block two 26 is installed on the fastening bolt one 28, the shock absorber 32 is installed on the fastening bolt two 33, in the process of disassembly, the fastening bolt one 28 and the fastening bolt two 33 are removed, then the rotating block two 26 is separated from the limiting of the support seat two 24, the shock absorber 32 is separated from the limiting of the support seat four 31, then the fastening bolt of the bearing rod 22 and the support frame 21 and the bearing seat 13 is removed, and then the bearing rod 22 is removed.

[0030] Working principle:

[0031] Firstly, when the rear bearing shock-absorbing device of the low-speed electric four-wheeled vehicle is used, the wheel 14 drives the bearing seat 13 under the force when the electric four-wheeled vehicle body 1 is loaded, the bearing seat 13 drives the bearing rod 22 under the force, the bearing rod 22 extrudes the shock absorber 32 under the force, the shock absorber 32 buffers the force, at the same time, the bearing rod 22 extrudes the spring 27 under the force, the spring 27 deforms under the force, the spring 27 deforms to buffer the impact force, by designing the spring and the shock absorber to be arranged separately in the rear bearing shock-absorbing device of the low-speed electric four-wheeled vehicle, the electric four-wheeled vehicle has better shock-absorbing performance when the electric four-wheeled vehicle is loaded, the bearing point of the whole vehicle is increased, and the bearing capacity of the electric four-wheeled vehicle is increased, thereby effectively improving the practicality of the device.

[0032] Secondly, when the low-speed electric four-wheel vehicle rear bearing shock-absorbing device is used, the rotating block 26 is sleeved on the fastening bolt 28, the shock absorber 32 is sleeved on the fastening bolt 33, in the process of disassembly, the fastening bolt 28 and the fastening bolt 33 are removed, then the rotating block 26 is separated from the limiting of the support seat 24, the shock absorber 32 is separated from the limiting of the support seat 31, then the fastening bolt of the bearing rod 22 and the support frame 21 and the bearing seat 13 is disassembled, after that, the bearing rod 22 is disassembled, by adding the fastening bolt 28 and the fastening bolt 33 to the low-speed electric four-wheel vehicle rear bearing shock-absorbing device, in the process of repairing and maintaining the low-speed electric four-wheel vehicle rear bearing shock-absorbing device, the bearing rod 22 can be quickly disassembled, thereby effectively improving the work efficiency of repairing and maintaining.

[0033] Finally, it should be noted that: Obviously, the above examples are only examples for clearly illustrating the utility model, and are not limited to the implementation. For ordinary skilled in the art, on the basis of the above description, other different forms of changes or variations can also be made. Here, it is not necessary and impossible to enumerate all the implementation. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. A low-speed electric four-wheeled vehicle rear load damping device, comprising an electric four-wheeled vehicle body (1), a rear vehicle hopper (11), a mudguard (12), a bearing seat (13) and a wheel (14), characterized in that, The lower end of the rear hopper (11) is fixedly installed with a bearing plate (2), the lower end of the bearing plate (2) is fixedly installed with a support frame (21), the lower end of the support frame (21) is hingedly installed with two bearing rods (22), springs (27) are arranged between the bearing plate (2) and the bearing rods (22), and shock absorbers (32) are arranged between the bearing plate (2) and the bearing rods (22). Both of the two bearing rods (22) are rotatably installed with corresponding bearing seats (13) on both sides, and the shock absorbers (32) are located on one side of the bearing seats (13).

2. A low speed electric quadricycle rear bearing and damping device according to claim 1, characterized in that, The rear hopper (11) is located behind the seat of the electric four-wheeled vehicle body (1), and the mudguard (12) is fixedly installed below the rear hopper (11).

3. A low speed electrically powered four wheeled vehicle rear load bearing shock absorbing device as claimed in claim 2 wherein, The mudguard (12) is located above the wheels (14), and the wheels (14) are fixedly installed on the bearing seats (13).

4. A low speed electrically powered four wheeled vehicle rear suspension and load bearing arrangement according to claim 3 wherein, The lower end of the bearing plate (2) is fixedly installed with a support seat one (23), and the upper end of the bearing rod (22) is fixedly installed with a support seat two (24).

5. A low speed electrically powered four wheeled vehicle rear load bearing shock absorbing device as claimed in claim 4 wherein, A rotating block one (25) is rotatably installed on the support seat one (23), and a rotating block two (26) is rotatably installed on the support seat two (24).

6. A low speed electric quadricycle rear bearing and damping device according to claim 5, characterised in that, The springs (27) are fixedly installed between the rotating block one (25) and the rotating block two (26), and a fastening bolt one (28) is arranged between the support seat two (24) and the rotating block two (26).

7. A low speed electrically powered four wheeled vehicle rear suspension and load bearing arrangement according to claim 6 wherein, The lower end of the bearing plate (2) is fixedly installed with a support seat three (3), the upper end of the bearing rod (22) is fixedly installed with a support seat four (31), and the shock absorber (32) is rotatably installed with the support seat three (3).

8. A low speed electrically powered four wheeled vehicle rear load bearing damping device as claimed in claim 7 wherein, The shock absorber (32) and the support seat four (31) are rotatably installed, and a fastening bolt two (33) is arranged between the support seat four (31) and the shock absorber (32).

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