Electric vehicle flat fork

Abstract

The utility model discloses a kind of electric vehicle flat fork, including flat fork body, the flat fork body includes connecting portion, a pair of supporting arm, motor mounting bracket, connecting block and connecting piece, the upper surface of the connecting portion is equipped with motor mounting bracket and connecting block, the connecting portion is fixedly connected with a pair of supporting arm, one end of the pair of supporting arm is equipped with connecting piece, the inside of the connecting piece is provided with installation groove, the other end of the pair of supporting arm is fixedly connected with installation portion, the utility model is fixed by flat fork body rear wheel, motor fixed, suspension fixed connection coordination, motor fixing support is placed in flat fork front end, rear wheel is placed in flat fork tail end, when shock absorption, motor can be synchronized with flat fork movement, make motor, rear wheel, shock suspension, chain combination in a platform, reduce failure rate;When shock suspension works, motor, chain, rear wheel synchronous movement, without other conversion in the middle, power transmission is stable, and loss is greatly reduced.

Description

Technical Field

[0001] This utility model relates to the field of electric vehicle technology, and in particular to an electric vehicle flat fork. Background Technology

[0002] Electric vehicles are a type of transportation that uses batteries to store electrical energy and is driven by an electric motor, rather than relying on a traditional internal combustion engine. Electric vehicles emit zero exhaust gases during operation, directly reducing carbon emissions in the transportation sector. Furthermore, they can be integrated with clean energy sources, converting electrical energy into kinetic energy for transportation, promoting the consumption of non-fossil energy and reducing dependence on fossil fuels such as oil. Therefore, the emergence of electric vehicles has brought significant improvements to the environmental protection field.

[0003] The swingarm is located at the rear of the electric vehicle and is mainly used to support and fix the rear wheel. It connects the frame and the wheel and is one of the key components of the electric vehicle. Currently, the connection design between the swingarm and the motor of electric vehicles on the market is not synchronized and coordinated. During use, the chain is sometimes loose and sometimes tight, which can easily shorten the chain life and cause a high failure rate. Utility Model Content

[0004] This utility model proposes an electric vehicle swingarm to solve the problems of poor coordination, unsatisfactory user experience, and high failure rate of existing electric vehicle swingarms mentioned in the background art.

[0005] An electric vehicle swingarm includes a swingarm body, the swingarm body including a connecting part, a pair of support arms, a motor mounting bracket, a connecting block and a connecting member, the upper surface of the connecting part is equipped with the motor mounting bracket and the connecting block, the connecting part is fixedly connected to the pair of support arms, one end of the pair of support arms is equipped with a connecting member, the connecting member is provided with a mounting groove, and the other end of the pair of support arms is fixedly connected to the mounting part.

[0006] Preferably, a drive motor is fixedly connected inside the motor mounting bracket, and a first sprocket is fixedly connected to the output end of the drive motor. A chain is provided on the outer surface of the first sprocket.

[0007] Preferably, a first wheel axle is fixedly connected inside the mounting groove, a rear wheel is mounted on the first wheel axle, and a second sprocket is fixedly connected to the rear wheel.

[0008] Preferably, the first sprocket and the second sprocket are connected by a chain drive.

[0009] Preferably, the fork body is fixedly connected to the electric vehicle frame via a mounting part.

[0010] Preferably, a front fork is fixedly connected to the front end of the electric vehicle frame, and a front wheel is installed inside the front fork.

[0011] Preferably, a shock-absorbing suspension is fixedly connected inside the connecting block, and the end of the shock-absorbing suspension away from the connecting block is fixedly connected to the electric vehicle frame.

[0012] Preferably, a pair of triangular reinforcing plates are fixedly connected to the left surface of the connecting part, and the side walls of the pair of support arms are fixedly connected to the pair of triangular reinforcing plates.

[0013] Preferably, the motor mounting has a plurality of weight-reducing grooves inside, which are evenly distributed along the motor mounting frame.

[0014] Compared with the prior art, the present invention has the following advantages: This invention coordinates the rear wheel, motor, and suspension by using the swingarm body. The motor mounting bracket is placed at the front end of the swingarm, and the rear wheel is placed at the rear end. When the swingarm is absorbing shock, the motor moves synchronously with the swingarm, making the motor, rear wheel, shock-absorbing suspension, and chain work on a single platform, thus reducing the failure rate. When the shock-absorbing suspension is working, the motor, chain, and rear wheel move synchronously without any other transitions, resulting in smooth power transmission and significantly reduced losses. Attached Figure Description

[0015] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings: Figure 1 This is a schematic diagram of the flat fork body structure of this utility model.

[0016] Figure 2 This is a side view of the flat fork body structure of this utility model.

[0017] Figure 3 This is a schematic diagram of the overall structure of the electric vehicle of this utility model.

[0018] Figure 4 This is a side view of the overall structure of the electric vehicle of this utility model.

[0019] The attached diagram shows: 1. Swing fork body; 101. Connecting part; 102. Control arm; 103. Motor mounting bracket; 104. Connecting block; 105. Connecting piece; 106. Mounting slot; 107. Mounting part; 108. Triangular reinforcing plate; 2. Drive motor; 3. First sprocket; 4. Chain; 5. First wheel axle; 6. Rear wheel; 7. Second sprocket; 8. Electric vehicle frame; 9. Front fork; 10. Front wheel; 11. Shock absorber suspension. Detailed Implementation

[0020] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.

[0021] refer to Figure 1 , Figure 2 As shown, an electric vehicle swingarm includes a swingarm body 1. The swingarm body 1 includes a connecting part 101, a pair of support arms 102, a motor mounting bracket 103, a connecting block 104, and a connector 105. The motor mounting bracket 103 and the connecting block 104 are mounted on the upper surface of the connecting part 101. The connecting part 101 is fixedly connected to the pair of support arms 102. A connector 105 is mounted on one end of the pair of support arms 102. The connector 105 has a mounting groove 106 inside. The other end of the pair of support arms 102 is fixedly connected to a mounting part 107.

[0022] refer to Figure 3 , Figure 4 As shown, a drive motor 2 is fixedly connected inside the motor mounting bracket 103. A first sprocket 3 is fixedly connected to the output end of the drive motor 2. A chain 4 is provided on the outer surface of the first sprocket 3. A first wheel axle 5 is fixedly connected inside the mounting groove 106. A rear wheel 6 is mounted on the first wheel axle 5. A second sprocket 7 is fixedly connected to the rear wheel 6. The first sprocket 3 and the second sprocket 7 are connected by a chain 4. The flat fork body 1 is fixedly connected to an electric vehicle frame 8 through the mounting part 107. A front fork 9 is fixedly connected to the front end of the electric vehicle frame 8. A front wheel 10 is installed inside the front fork 9. A shock-absorbing suspension 11 is fixedly connected inside the connecting block 104. The end of the shock-absorbing suspension 11 away from the connecting block 104 is fixedly connected to the electric vehicle frame 8. A pair of triangular reinforcing plates 108 are fixedly connected to the left surface of the connecting part 101. The side walls of a pair of support arms 102 are fixedly connected to a pair of triangular reinforcing plates 108. Several weight-reducing grooves are provided inside the motor mounting bracket 103. The weight-reducing grooves are evenly distributed along the motor mounting bracket 103.

[0023] Working principle: The drive motor 2 operates within the motor mounting bracket 103. Its output end, the first sprocket 3, rotates, driving the second sprocket 7 on the rear wheel 6 via the chain 4, thus rotating the rear wheel 6 and providing forward power to the electric vehicle. When the electric vehicle encounters bumpy road conditions, the rear wheel 6 is impacted by the ground, and the shock-absorbing suspension 11 comes into play. The connecting block 104 moves with the swingarm body 1, and the deformation of the shock-absorbing suspension 11 buffers the vibration. Due to the structural design of the swingarm body 1, the drive motor 2 moves synchronously with it. The drive motor 2, rear wheel 6, shock-absorbing suspension 11, and chain 4 form a linked power transmission and shock absorption platform. During this process, the triangular reinforcing plate 108 enhances the structural strength of the swingarm and reduces the impact of shock absorption on the swingarm. The front fork 9 and front wheel 10 are responsible for supporting and steering the front wheel 10, working in conjunction with the power system of the rear wheel 6 to achieve stable driving of the electric vehicle.

[0024] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An electric vehicle swingarm, comprising a swingarm body (1), characterized in that, The flat fork body (1) includes a connecting part (101), a pair of support arms (102), a motor mounting bracket (103), a connecting block (104), and a connector (105). The upper surface of the connecting part (101) is equipped with the motor mounting bracket (103) and the connecting block (104). The connecting part (101) is fixedly connected to the pair of support arms (102). One end of the pair of support arms (102) is equipped with a connector (105). The connector (105) has an installation groove (106) inside. The other end of the pair of support arms (102) is fixedly connected to the mounting part (107).

2. The electric vehicle flat fork according to claim 1, characterized in that, The motor mounting bracket (103) is internally fixedly connected to a drive motor (2), and the output end of the drive motor (2) is fixedly connected to a first sprocket (3). A chain (4) is provided on the outer surface of the first sprocket (3).

3. The electric vehicle flat fork according to claim 2, characterized in that, The first wheel axle (5) is fixedly connected inside the mounting groove (106), a rear wheel (6) is mounted on the first wheel axle (5), and a second sprocket (7) is fixedly connected to the rear wheel (6).

4. The electric vehicle flat fork according to claim 3, characterized in that, The first sprocket (3) and the second sprocket (7) are connected by a chain (4).

5. The electric vehicle flat fork according to claim 1, characterized in that, The flat fork body (1) is fixedly connected to the electric vehicle frame (8) via the mounting part (107).

6. The electric vehicle flat fork according to claim 5, characterized in that, The front end of the electric vehicle frame (8) is fixedly connected to a front fork (9), and a front wheel (10) is installed inside the front fork (9).

7. The electric vehicle flat fork according to claim 1, characterized in that, The connecting block (104) is internally fixedly connected to a shock-absorbing suspension (11), and the end of the shock-absorbing suspension (11) away from the connecting block (104) is fixedly connected to the electric vehicle frame (8).

8. The electric vehicle flat fork according to claim 1, characterized in that, A pair of triangular reinforcing plates (108) are fixedly connected to the left surface of the connecting part (101), and the side walls of the pair of support arms (102) are fixedly connected to the pair of triangular reinforcing plates (108).

9. The electric vehicle flat fork according to claim 1, characterized in that, The motor mounting bracket (103) has several weight-reducing grooves inside, which are evenly distributed along the motor mounting bracket (103).

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