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Electric cycle frame with motor

A technology for mid-mounted motors and electric vehicles, applied to motor vehicles, bicycle racks, motorcycles, etc., can solve the problems of inconvenient installation, difficult positioning, and large deformation of mid-mounted motors, and achieve high concentricity, low cost, and low deformation small effect

Inactive Publication Date: 2007-01-03
韩玉金
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AI Technical Summary

Problems solved by technology

[0002] As we all know, the existing central motor placed at the center shaft is inconvenient to install, and the welding of other pipe fittings on the frame, such as the standpipe, the down tube, and the rear chainstay, is not easy to locate, and the deformation is large at the same time. The existing central motor shaft and The central axis is different from the axis, and the volume is large

Method used

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  • Electric cycle frame with motor

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Embodiment Construction

[0010] In order to further understand the features and effects of the present invention, the following embodiments are given as examples and described in detail with the accompanying drawings as follows. Please refer to figure 1 .

[0011] like figure 1 Shown: the bottom bracket tube 1 is a closed cylindrical tube, and its inner diameter should match the outer diameter of the central motor 2. The frame riser tube 3, the frame lower tube 4 and the rear flat fork 5 are respectively welded in their original positions. Fix the five-way pipe 1 of the central motor. The motor 2 is placed in the five-way pipe 1, and the two ends of the five-way pipe 1 are fixed with bolts 8. The other end of the frame down tube 4 is welded with a front tube 6, a vertical fork 7 is welded between the frame stand tube 3 and the rear flat fork 5, and the five-way tube 1 can also be made into two semi-cylindrical tubes, and the two The ends have connecting lugs and are bolted, and can also be made int...

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Abstract

The motor frame for cycle with motor is one five-way pipe with inner diameter matching the outer diameter of the motor and has vertical frame pipe, lower frame pipe and planar fork welded onto the five-way pipe. The motor inside the five-way pipe is screw fixed and the five-way pipe may be two semi-circular cylindrical pipes or one single cylindrical pipe with connecting ears on two ends for screw fixing. The present invention has convenient motor installation, high mechanical strength, convenient welding and other advantages.

Description

Technical field: [0001] The invention relates to an electric vehicle frame, in particular to a mid-mounted motor frame of an electric vehicle in which the motor is placed at the bottom bracket. Background technique: [0002] As we all know, the existing central motor placed at the central axle is inconvenient to install, and the welding of other pipe fittings on the frame such as the riser, the down tube and the rear flat fork is not easy to locate, and the deformation is large. The central axis is not on the axis, and the volume is large. Invention content: [0003] The main purpose of the present invention is to overcome the above deficiencies and provide a motor that is easy to install, the riser, the down tube, the rear fork and the bottom bracket are easy to position and weld, and the electric vehicle has a mid-mounted motor frame with small deformation. [0004] The technical solution adopted by the present invention to solve the technical problem is as follows: it ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62K11/02B62K19/30
Inventor 韩玉金张宏艳
Owner 韩玉金
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