Single-tube frame of two-wheeled electric vehicle
A two-wheeled electric vehicle and a single tube technology, applied in bicycle racks, bicycle accessories, transportation and packaging, etc., can solve the problems of increased vehicle weight and inconvenient promotion of electric vehicles, reduce stress concentration, and meet the requirements of vibration experiments , the effect of large contact area
Active Publication Date: 2022-03-25
台铃科技(江苏)股份有限公司
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Problems solved by technology
The frame structure of the traditional two-wheeled electric vehicle generally adopts the structure of a main beam and side beams symmetrically arranged on both sides of the main beam. Although this frame structure meets the requirements of the vibration experiment, as people The increase in the cruising range of two-wheeled electric vehicles will often increase the battery, which will increase the weight of the vehicle and make it inconvenient to push the electric vehicle. Therefore, it is urgent to design a single-tube frame to reduce the weight of the two-wheeled electric vehicle. The quality of the frame
Method used
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Embodiment 1
[0021] Such as figure 1 As shown, a single-tube frame of a two-wheeled electric vehicle includes a head tube 1. One side of the head tube 1 is provided with a main beam tube. The main beam tube includes a front inclined section 2, a horizontal section 3 and a rear inclined section connected in sequence. 4. The connection between the front inclined section 2 and the head pipe 1 is provided with a second reinforcing plate 11 , and the second reinforcing plates 11 are respectively located on the upper and lower sides of the front inclined section 2 . Both the front inclined section 2 and the rear inclined section 4 are located above the horizontal section 3 , and both the front inclined section 2 and the rear inclined section 4 are inclined away from the horizontal section 3 . The angles between the front inclined section 2, the rear inclined section 4 and the horizontal section 3 are all in the range of 120°-150°, preferably 135°; All adopt arc excessive connection.
[0022] ...
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The single-tube frame of the two-wheeled electric vehicle comprises a head tube, a main beam tube is arranged on one side of the head tube, the main beam tube comprises a front inclined section, a horizontal section and a rear inclined section which are sequentially connected, and the front inclined section and the rear inclined section are both located above the horizontal section; the front inclined section and the rear inclined section are obliquely arranged in the direction away from the horizontal section; the joints between the front inclined section and the horizontal section and between the rear inclined section and the horizontal section are in arc transition connection; the end, away from the horizontal section, of the front inclined section is connected with the side wall of the lower end of the head pipe, and the head pipe inclines towards the horizontal section. The single main beam pipe is adopted, and compared with a traditional frame, the structure is simpler, and the weight is lighter; and work fixtures used for producing the frame can be reduced, and the production efficiency is improved.
Description
technical field [0001] The invention relates to the field of electric vehicles, in particular to a single-tube frame for a two-wheeled electric vehicle. Background technique [0002] Because the frame of a two-wheeled electric vehicle is a very important part of the two-wheeled electric vehicle, it is related to the safety performance of the whole vehicle, so the country has certain requirements for the frame strength of the electric two-wheeled vehicle, and it needs to meet the load under a certain frequency. The number of vibrations. The frame structure of the traditional two-wheeled electric vehicle generally adopts the structure of a main beam and side beams symmetrically arranged on both sides of the main beam. Although this frame structure meets the requirements of the vibration experiment, as people The requirement for the cruising range of the two-wheeled electric vehicle increases, and the battery is often added, which increases the weight of the vehicle and makes ...
Claims
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IPC IPC(8): B62K19/00
CPCB62K19/00Y02T10/40
Inventor 孙木楚杨鹏马俊良
Owner 台铃科技(江苏)股份有限公司