Whole-vehicle light-weight frame structure of pedal electric vehicle

Abstract

The utility model provides a whole pedal electric vehicle light-weight frame structure which comprises an electric vehicle frame bottom frame, a front fork wall is welded to the front face of the electric vehicle frame bottom frame, a tail fork wall is welded to the bottom of the electric vehicle frame bottom frame, and a plurality of reinforcing blocks are fixedly arranged in the electric vehicle frame bottom frame at equal intervals. An aluminum alloy reinforcing pipe is fixedly arranged at the top end of the bottom frame of the electric vehicle frame, and mounting supports are arranged on the two sides of the top end of the aluminum alloy reinforcing pipe. According to the electric vehicle frame, the electric vehicle frame bottom frame and the aluminum alloy reinforcing pipes are welded and combined, a traditional stainless steel pipe structure is replaced, the weight of the electric vehicle frame is effectively reduced, under the condition that the structural strength of the electric vehicle frame is not affected, the light-weight design of the electric vehicle frame is achieved, and in the running process of an electric vehicle, the service life of the electric vehicle frame is prolonged. And the loss of electric energy is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric vehicle frames and relates to a lightweight frame structure for a pedal electric vehicle. Background Art

[0002] Electric vehicles are an important means of transportation for people's daily short-distance travel and are deeply loved by people. The frame of an electric vehicle is an important component of an electric vehicle. The existing frames of electric vehicles are mainly formed by welding stainless steel pipes. Although the frames of electric vehicles have good structural strength, the stainless steel pipes are too heavy, which increases the weight of the entire electric vehicle. During the driving process of the electric vehicle, the power consumption increases. For this reason, we designed a lightweight frame structure for the entire electric vehicle to solve the above technical problems. Summary of the invention

[0003] The purpose of the utility model is to provide a lightweight frame structure for a pedal electric vehicle to solve the problems raised in the above-mentioned background technology.

[0004] The purpose of the utility model can be achieved through the following technical solutions: a lightweight frame structure of a pedal electric vehicle, including an electric vehicle frame bottom frame, a front fork wall is welded on the front of the electric vehicle frame bottom frame, a tail fork wall is welded on the bottom of the electric vehicle frame bottom frame, a plurality of reinforcement blocks are fixedly arranged at equal intervals inside the electric vehicle frame bottom frame, an aluminum alloy reinforcement pipe is fixedly arranged on the top end of the electric vehicle frame bottom frame, and mounting brackets are provided on both sides of the top end of the aluminum alloy reinforcement pipe.

[0005] In the above-mentioned lightweight frame structure of the pedal electric vehicle, U-shaped pedal mounting frames are welded on both sides of the bottom frame of the electric vehicle frame, and a plastic pedal is rotatably connected inside the U-shaped pedal mounting frame.

[0006] In the above-mentioned lightweight frame structure of the pedal electric vehicle, a plurality of welding blocks are fixedly arranged at equal intervals on the bottom end of the aluminum alloy reinforcement tube, and the plurality of welding blocks are welded to the top end of the bottom frame of the electric vehicle frame.

[0007] In the above-mentioned lightweight frame structure of the pedal electric vehicle, a reinforcing steel pipe is welded between the front fork wall and the bottom frame of the electric vehicle frame.

[0008] In the above-mentioned lightweight frame structure of the pedal electric vehicle, the bottom frame of the electric vehicle frame is a carbon steel round tube, and the surface of the bottom frame of the electric vehicle frame is sprayed with evenly distributed anti-corrosion paint.

[0009] In the above-mentioned lightweight frame structure of the pedal electric vehicle, U-shaped frames are fixedly provided at the corners on both sides of the top end of the aluminum alloy reinforcement tube.

[0010] In the above-mentioned lightweight frame structure of the pedal electric vehicle, a plurality of shear holes are equidistantly provided on the surface of the mounting bracket, threaded holes are provided on both sides of the top of the mounting bracket, and a connecting block is welded to the top of the mounting bracket.

[0011] Compared with the prior art, the advantages of the lightweight frame structure of the pedal electric vehicle of the utility model are as follows: the electric vehicle frame is welded together by the electric vehicle frame bottom frame and the aluminum alloy reinforcement pipe, replacing the traditional stainless steel pipe structure, effectively reducing the weight of the electric vehicle frame, and realizing the lightweight design of the electric vehicle frame without affecting the structural strength of the electric vehicle frame, thereby reducing the loss of electric energy during the driving of the electric vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The utility model is a schematic structural diagram of a lightweight frame structure of a pedal electric vehicle.

[0013] Figure 2 The utility model is a schematic diagram of the connection structure between the electric vehicle frame bottom frame and the aluminum alloy reinforcement pipe of the pedal electric vehicle lightweight frame structure.

[0014] Figure 3 The utility model is a schematic diagram of the mounting bracket structure of the lightweight frame structure of the pedal electric vehicle.

[0015] In the figure, 1. bottom frame of the electric vehicle frame; 2. aluminum alloy reinforcement pipe; 3. front fork wall; 4. reinforced steel pipe; 5. mounting bracket; 6. U-shaped frame; 7. tail fork wall; 8. U-shaped pedal mounting bracket; 9. plastic pedal; 10. welding block; 11. reinforcement block; 12. shear hole; 13. connecting block. DETAILED DESCRIPTION

[0016] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0017] like Figure 1-3 As shown, the utility model shows a lightweight frame structure of a pedal electric vehicle, including an electric vehicle frame bottom frame 1, a front fork wall 3 is welded to the front of the electric vehicle frame bottom frame 1, a tail fork wall 7 is welded to the bottom of the electric vehicle frame bottom frame 1, a plurality of reinforcement blocks 11 are fixedly provided at equal intervals inside the electric vehicle frame bottom frame 1, an aluminum alloy reinforcement tube 2 is fixedly provided at the top end of the electric vehicle frame bottom frame 1, and mounting brackets 5 are provided on both sides of the top end of the aluminum alloy reinforcement tube 2.

[0018] Specifically, the electric vehicle frame is welded together by welding the electric vehicle frame bottom frame 1 and the aluminum alloy reinforcement tube 2, replacing the traditional stainless steel pipe structure, effectively reducing the weight of the electric vehicle frame, and realizing the lightweight design of the electric vehicle frame without affecting the structural strength of the electric vehicle frame, thereby reducing the loss of electric energy during the driving of the electric vehicle.

[0019] like Figure 1 , Figure 2 and Figure 3 As shown, the pedal electric vehicle of the utility model has a lightweight frame structure, and U-shaped pedal mounting frames 8 are welded on both sides of the electric vehicle frame bottom frame 1, and a plastic pedal 9 is rotatably connected inside the U-shaped pedal mounting frame 8.

[0020] Specifically, by providing the plastic pedal 9, the weight of the electric vehicle can be further reduced.

[0021] A plurality of welding blocks 10 are fixedly provided at equal intervals on the bottom end of the aluminum alloy reinforcement tube 2 , and the plurality of welding blocks 10 are welded and connected to the top end of the bottom frame 1 of the electric vehicle frame.

[0022] A reinforcement steel pipe 4 is welded between the front fork wall 3 and the bottom frame 1 of the electric vehicle frame.

[0023] Specifically, the welded reinforcement steel pipe 4 can support the front fork wall 3 and ensure the stability of the front fork wall 3 .

[0024] The electric vehicle frame bottom frame 1 is a carbon steel round tube, and the surface of the electric vehicle frame bottom frame 1 is sprayed with evenly distributed anti-corrosion paint.

[0025] Specifically, the anti-corrosion paint sprayed is used to effectively protect the bottom frame 1 of the electric vehicle frame. The bottom frame 1 of the electric vehicle frame is a carbon steel round tube, which ensures the structural strength of the bottom frame 1 of the electric vehicle frame.

[0026] U-shaped frames 6 are fixedly provided at the corners on both sides of the top end of the aluminum alloy reinforcement pipe 2 .

[0027] A plurality of shear holes 12 are equidistantly provided on the surface of the mounting bracket 5 , threaded holes are provided on both sides of the top end of the mounting bracket 5 , and a connecting block 13 is welded to the top end of the mounting bracket 5 .

[0028] Specifically, by installing the shear hole 12 opened at the top of the bracket 5, the weight of the pedal electric vehicle is further reduced.

[0029] In specific implementation, when processing the electric vehicle frame, first, the electric vehicle frame bottom frame 1 is welded to the welding block 10 provided at the bottom end of the aluminum alloy reinforcement tube 2, and the front fork wall 3 and the tail fork wall 7 are welded to the front and tail of the electric vehicle frame bottom frame 1, and the front fork wall 3 and the electric vehicle frame bottom frame 1 are welded through the reinforcement steel pipe 4 to complete the reinforcement of the front fork wall 3, and then the mounting bracket 5 and the U-shaped frame 6 are welded to the top of the aluminum alloy reinforcement tube 2, and shear holes 12 are opened on the surface of the mounting bracket 5 and the U-shaped frame 6 to reduce weight, thereby completing the processing of the lightweight electric vehicle frame. The electric vehicle frame, through the coordinated use of carbon steel round tubes and aluminum alloy reinforcement tubes 2, replaces the traditional electric vehicle frame welded by stainless steel tubes, thereby realizing the lightweight design of the electric vehicle frame and reducing the loss of electric energy during the driving of the electric vehicle.

[0030] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The specific embodiments described in this article are only used to illustrate the spirit of the utility model. The technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar way, but they will not deviate from the spirit of the utility model or exceed the scope defined by the attached claims.

Claims

1. A lightweight frame structure for a pedal electric vehicle, comprising an electric vehicle frame bottom frame (1), characterized in that: A front fork wall (3) is welded to the front of the electric vehicle frame bottom frame (1), a tail fork wall (7) is welded to the bottom of the electric vehicle frame bottom frame (1), a plurality of reinforcement blocks (11) are fixedly arranged at equal intervals inside the electric vehicle frame bottom frame (1), an aluminum alloy reinforcement pipe (2) is fixedly arranged at the top end of the electric vehicle frame bottom frame (1), and mounting brackets (5) are provided on both sides of the top end of the aluminum alloy reinforcement pipe (2).

2. The lightweight frame structure of the pedal electric vehicle according to claim 1 is characterized in that: U-shaped pedal mounting frames (8) are welded on both sides of the electric vehicle frame bottom frame (1), and a plastic pedal (9) is rotatably connected inside the U-shaped pedal mounting frame (8).

3. The lightweight frame structure of the pedal electric vehicle according to claim 1 is characterized in that: A plurality of welding blocks (10) are fixedly arranged at equal intervals on the bottom end of the aluminum alloy reinforcement tube (2), and the plurality of welding blocks (10) are welded to the top end of the bottom frame (1) of the electric vehicle frame.

4. The lightweight frame structure of the pedal electric vehicle according to claim 1, characterized in that: A reinforcement steel pipe (4) is welded between the front fork wall (3) and the bottom frame (1) of the electric vehicle frame.

5. The lightweight frame structure of the pedal electric vehicle according to claim 4 is characterized in that: The electric vehicle frame bottom frame (1) is a carbon steel round tube, and the surface of the electric vehicle frame bottom frame (1) is sprayed with evenly distributed anti-corrosion paint.

6. The lightweight frame structure of the pedal electric vehicle according to claim 1, characterized in that: U-shaped frames (6) are fixedly provided at the corners on both sides of the top end of the aluminum alloy reinforcement tube (2).

7. The lightweight frame structure of the pedal electric vehicle according to claim 1, characterized in that: The surface of the mounting bracket (5) is provided with a plurality of shear holes (12) at equal intervals, threaded holes are provided on both sides of the top end of the mounting bracket (5), and a connecting block (13) is welded to the top end of the mounting bracket (5).

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