Electric vehicle frame and electric vehicle

Abstract

The utility model relates to the technical field of electric vehicles, in particular to an electric vehicle frame and an electric vehicle, which comprise a head tube, the outer surface of the head tube is fixedly connected with a front wheel frame, a seat support frame and a bottom support frame, and an inclined support frame is fixedly connected between the seat support frame and the bottom support frame. The tail end of the seat supporting frame is fixedly connected with a tail supporting frame. The electric vehicle frame has the advantages that through the matched arrangement of the rear wheel frame, the connecting seat, the first connecting bolt, the shock absorber, the connecting frame, the supporting pipe, the second connecting bolt, the first connecting hole and the second connecting hole, a structure for supporting and buffering the tail position of the tail supporting frame is additionally arranged on the basis of an existing electric vehicle frame; therefore, the situation that the tail supporting frame deforms and even is damaged in the driving process is greatly avoided, the service life of the electric vehicle frame is guaranteed, and the shock absorber and a connecting component of the shock absorber are easy and convenient to assemble and disassemble.

Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicles, in particular to an electric vehicle frame and an electric vehicle. Background Art

[0002] An electric vehicle is a mechatronic personal transportation vehicle that uses batteries as auxiliary energy and is based on an ordinary bicycle and is equipped with a motor, controller, battery, throttle, brake handle and other operating components and a display instrument system. The frame is one of the main components of an electric vehicle, and its quality is directly related to the personal safety of the user. The structural form of the frame should be able to meet the needs of its function (assembly, etc.), performance (rigidity, strength, etc.) and commerciality.

[0003] Some electric vehicles with larger frames, such as off-road electric vehicles, have relatively simple frame structures, and the rear end of the frame is generally in a tilted state. The frame does not have a structure to support and cushion the rear end. When encountering some heavy drivers, the force applied to the rear end of the frame is relatively large. If the heavy driver encounters a bumpy road section, the rear end of the frame will be subjected to a reciprocating force, which can easily cause the rear end of the frame to bend and deform, affecting the service life of the frame. Utility Model Content

[0004] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0005] Therefore, one purpose of the present invention is to provide an electric vehicle frame and an electric vehicle to solve the problems mentioned in the background technology and overcome the deficiencies in the prior art.

[0006] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the utility model provides an electric vehicle frame, including a head pipe, a front wheel frame, a seat support frame and a bottom support frame are fixedly connected to the outer surface of the head pipe, an inclined support frame is fixedly connected between the seat support frame and the bottom support frame, the tail end of the seat support frame is fixedly connected to the tail support frame, a rear wheel frame in an H-shaped shape is arranged on the inclined support frame, a support reinforcement frame is fixedly connected to the outer surface of the inclined support frame, a first shock absorber structure is arranged in the middle of the rear wheel frame, two second shock absorber structures are fixedly installed on the rear wheel frame, two connecting seats are arranged on the rear wheel frame, one side of the two connecting seats are threadedly connected with a first connecting bolt, shock absorbers are arranged on the two connecting seats, a connecting frame is arranged at the top end of the shock absorber, a support pipe is fixedly connected to the top side of the connecting frame, the outer surface of the top end of the support pipe is threadedly connected with a second connecting bolt, a first connecting hole is opened on the rear wheel frame, and two second connecting holes are opened on the tail support frame, and nuts are threadedly connected to the outer surfaces of the first connecting bolt and the second connecting bolt.

[0007] Preferably, any of the above schemes is that the support reinforcement frame is fixedly connected to the tail support frame, and the first shock absorber structure and the second shock absorber structure are both connected to the support reinforcement frame.

[0008] Preferably, any of the above schemes is that the first connecting bolt is adapted to the size of the first connecting hole, and the second connecting bolt is adapted to the size of the second connecting hole.

[0009] An electric vehicle comprises a power supply box connected to a bottom support frame, the front wheel frame is provided with a front wheel, the rear wheel frame is provided with a rear wheel, and the inclined support frame and the rear wheel frame are provided with a driving structure for driving the rear wheel to rotate.

[0010] Preferably, any of the above schemes is provided with a handlebar and a light on the front wheel frame, and a cushion is provided on the seat support frame and the bottom support frame.

[0011] Preferably, any of the above schemes is that the front wheel frame and the rear wheel frame are both provided with fenders, the fenders are arc-shaped, and the front wheels and the rear wheels are both located corresponding to the positions of the fenders.

[0012] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0013] 1. Through the coordinated arrangement of the rear wheel frame, the connecting seat, the first connecting bolt, the shock absorber, the connecting frame, the support tube, the second connecting bolt, the first connecting hole and the second connecting hole, a structure for supporting and buffering the rear position of the rear support frame is added on the basis of the existing electric vehicle frame, thereby greatly avoiding the deformation or even damage of the rear support frame during driving, ensuring the service life of the electric vehicle frame, and making the operation of installing and removing the shock absorber and its connecting components relatively simple.

[0014] 2. The front end of the rear support frame is supported and shock-absorbed by the first shock absorber structure, the middle part of the rear support frame is supported and shock-absorbed by the second shock absorber structure, and the rear part of the rear support frame is supported and shock-absorbed by the shock absorber and its connecting components, thereby making the shock absorption effect of the electric vehicle frame structure better. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the electric vehicle of the utility model from a first perspective;

[0016] Figure 2 This is a schematic diagram of the structure of the electric vehicle of the utility model from a second viewing angle;

[0017] Figure 3 This is a schematic diagram of the structure of the electric vehicle frame of the utility model;

[0018] Figure 4 For this utility model Figure 3 A schematic diagram of the structure without the shock absorber installed;

[0019] Figure 5 It is a structural schematic diagram of the shock absorber and its connecting components of the utility model.

[0020] In the figure: 1-head pipe, 2-front wheel frame, 3-seat support frame, 4-bottom support frame, 5-inclined support frame, 6-tail support frame, 7-rear wheel frame, 8-support reinforcement frame, 9-first shock absorber structure, 10-second shock absorber structure, 11-connecting seat, 12-first connecting bolt, 13-shock absorber, 14-connecting frame, 15-support pipe, 16-second connecting bolt, 17-first connecting hole, 18-second connecting hole, 19-power box, 20-front wheel, 21-rear wheel, 22-driving structure, 23-handlebar, 24-headlight, 25-seat cushion, 26-fender. DETAILED DESCRIPTION

[0021] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0022] like Figures 1 to 5As shown, an electric vehicle frame comprises a head pipe 1, the outer surface of the head pipe 1 is fixedly connected with a front wheel frame 2, a seat support frame 3 and a bottom support frame 4, an inclined support frame 5 is fixedly connected between the seat support frame 3 and the bottom support frame 4, the tail end of the seat support frame 3 is fixedly connected with a tail support frame 6, an H-shaped rear wheel frame 7 is arranged on the inclined support frame 5, a support reinforcement frame 8 is fixedly connected to the outer surface of the inclined support frame 5, a first shock absorber structure 9 is arranged in the middle of the rear wheel frame 7, and two second shock absorber structures 10 are fixedly installed on the rear wheel frame 7, the first shock absorber structure 9 and the second shock absorber structure 10 are fixedly installed on the rear wheel frame 7. The first shock absorber structure 9 and the second shock absorber structure 10 are both existing mature technologies. The working principles of the first shock absorber structure 9 and the second shock absorber structure 10 are the same as those of the existing technology. The installation method of the first shock absorber structure 9 and the second shock absorber structure 10 can be installed according to the existing technology. Two connecting seats 11 are provided on the rear wheel frame 7. One side of the two connecting seats 11 is threadedly connected with a first connecting bolt 12. Shock absorbers 13 are provided on the two connecting seats 11. A connecting frame 14 is provided at the top of the shock absorber 13. A support tube 15 is fixedly connected to the top side of the connecting frame 14. The outer surface of the top of the support tube 15 is threadedly connected with a second connecting bolt 12. Bolt 16, a first connecting hole 17 is provided on the rear wheel frame 7, two second connecting holes 18 are provided on the tail support frame 6, and nuts are threadedly connected to the outer surfaces of the first connecting bolt 12 and the second connecting bolt 16. When installing the shock absorber 13 and its connecting member, the connecting seat 11 is first connected to the rear wheel frame 7, and connected to the first connecting hole 17 through the first connecting bolt 12, and then the nut is connected to the first connecting bolt 12, and the nut is tightly fitted to the rear wheel frame 7, so that the connecting seat 11 is fixed on the rear wheel frame 7, and then the shock absorber 13 drives the connecting frame 14 and the support pipe 15 Rotate to connect the second connecting bolt 16 with the second connecting hole 18, connect the nut with the second connecting bolt 16, and make the nut 16 fit tightly with the rear support frame 6, thereby completing the operation of connecting the shock absorber 13 and its connecting components. When the electric vehicle frame encounters vibration, the front end of the rear support frame 6 is supported and damped by the first shock absorber structure 9, the middle part of the rear support frame 6 is supported and damped by the second shock absorber structure 9, and the rear part of the rear support frame 6 is supported and damped by the connecting seat 11, shock absorber 13, connecting frame 14 and supporting tube 15.

[0023] As an optional technical solution of the present utility model, the support reinforcement frame 8 is fixedly connected to the tail support frame 6 , and the first shock absorber structure 9 and the second shock absorber structure 10 are both connected to the support reinforcement frame 8 .

[0024] As an optional technical solution of the present invention, the first connecting bolt 12 is adapted to the size of the first connecting hole 17, so that the first connecting bolt 12 can be smoothly connected from the first connecting hole 17, and the second connecting bolt 16 is adapted to the size of the second connecting hole 18, so that the second connecting bolt 16 can be smoothly connected to the second connecting hole 18.

[0025] An electric vehicle includes a power box 19 connected to a bottom support frame 4, a front wheel 20 is arranged on a front wheel frame 2, a rear wheel 21 is arranged on a rear wheel frame 7, and a driving structure 22 for driving the rear wheel 21 to rotate is arranged on the inclined support frame 5 and the rear wheel frame 7. The driving structure 22 is an existing mature technology, and its principle of driving the rear wheel 21 to rotate is the same as the existing technology, and the power box 19 is internally provided with components such as batteries and circuit boards, which can provide the required power for the driving structure 22 to work.

[0026] As an optional technical solution of the present utility model, a handlebar 23 and a headlight 24 are provided on the front wheel frame 2, and a seat support frame 3 and a bottom support frame 4 are provided with a cushion 25.

[0027] As an optional technical solution of the present utility model, mudguards 26 are provided on both the front wheel frame 2 and the rear wheel frame 7. The mudguards 26 are arc-shaped, and the front wheels 20 and the rear wheels 21 correspond to the positions of the mudguards 26.

[0028] An electric vehicle frame and an electric vehicle, the working principle of which is as follows:

[0029] When the electric vehicle frame encounters vibration, the front end of the rear support frame 6 is supported and shock-absorbed by the first shock absorber structure 9, the middle part of the rear support frame 6 is supported and shock-absorbed by the second shock absorber structure 9, and the rear part of the rear support frame 6 is supported and shock-absorbed by the connecting seat 11, shock absorber 13, connecting frame 14 and supporting tube 15.

[0030] To sum up, the electric vehicle frame and the electric vehicle, through the coordinated arrangement of the rear wheel frame 7, the connecting seat 11, the first connecting bolt 12, the shock absorber 13, the connecting frame 14, the support tube 15, the second connecting bolt 16, the first connecting hole 17 and the second connecting hole 18, add a structure for supporting and buffering the rear position of the rear support frame 6 on the basis of the existing electric vehicle frame, thereby greatly avoiding the deformation or even damage of the rear support frame 6 during driving, ensuring the service life of the electric vehicle frame, and making the installation and removal of the shock absorber 13 and its connecting components relatively simple. The front end of the rear support frame 6 is supported and damped by the first shock absorber structure 9, the middle part of the rear support frame 6 is supported and damped by the second shock absorber structure 9, and the rear part of the rear support frame 6 is supported and damped by the shock absorber 13 and its connecting components, thereby making the shock absorption effect of the electric vehicle frame structure better.

Claims

1. An electric vehicle frame, characterized in that: The invention comprises a head tube (1), wherein the outer surface of the head tube (1) is fixedly connected to a front wheel frame (2), a seat support frame (3) and a bottom support frame (4), an inclined support frame (5) is fixedly connected between the seat support frame (3) and the bottom support frame (4), the tail end of the seat support frame (3) is fixedly connected to a tail support frame (6), an H-shaped rear wheel frame (7) is arranged on the inclined support frame (5), a support reinforcement frame (8) is fixedly connected to the outer surface of the inclined support frame (5), a first shock absorber structure (9) is arranged in the middle of the rear wheel frame (7), two second shock absorber structures (10) are fixedly installed on the rear wheel frame (7), and the rear wheel frame (7) is provided with a plurality of second shock absorber structures (11). Two connecting seats (11) are provided, one side of the two connecting seats (11) is threadedly connected with a first connecting bolt (12), the two connecting seats (11) are provided with a shock absorber (13), the top of the shock absorber (13) is provided with a connecting frame (14), the top side of the connecting frame (14) is fixedly connected with a support tube (15), the outer surface of the top of the support tube (15) is threadedly connected with a second connecting bolt (16), the rear wheel frame (7) is provided with a first connecting hole (17), the tail support frame (6) is provided with two second connecting holes (18), and the outer surfaces of the first connecting bolt (12) and the second connecting bolt (16) are threadedly connected with nuts.

2. The electric vehicle frame according to claim 1, characterized in that: The support reinforcement frame (8) is fixedly connected to the tail support frame (6), and the first shock absorber structure (9) and the second shock absorber structure (10) are both connected to the support reinforcement frame (8).

3. The electric vehicle frame according to claim 2, characterized in that: The first connecting bolt (12) is adapted to the size of the first connecting hole (17), and the second connecting bolt (16) is adapted to the size of the second connecting hole (18).

4. An electric vehicle, comprising an electric vehicle frame according to any one of claims 1 to 3, characterized in that: The invention comprises a power supply box (19) connected to a bottom support frame (4); a front wheel (20) is arranged on the front wheel frame (2); a rear wheel (21) is arranged on the rear wheel frame (7); and a driving structure (22) for driving the rear wheel (21) to rotate is arranged on the inclined support frame (5) and the rear wheel frame (7).

5. An electric vehicle according to claim 4, characterized in that: The front wheel frame (2) is provided with a handlebar (23) and a headlight (24), and the seat support frame (3) and the bottom support frame (4) are provided with a cushion (25).

6. An electric vehicle according to claim 5, characterized in that: The front wheel frame (2) and the rear wheel frame (7) are both provided with a fender (26), the fender (26) is in an arc shape, and the front wheel (20) and the rear wheel (21) are both located correspondingly to the positions of the fender (26).

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