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Seat-variable bicycle frame

A seat and frame technology, which is applied in the field of variable seat frame, can solve the problems of low versatility and practicability, single frame functionality, etc., and achieve the effect of being convenient for carrying passengers

Inactive Publication Date: 2018-03-09
TIANJIN JUYOU BICYCLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing bicycle frame has single function, low versatility and practicability

Method used

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  • Seat-variable bicycle frame

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Embodiment Construction

[0010] Such as figure 1 As shown, the present invention provides a vehicle frame of a variable seat, including a standpipe 1, an upper pipe 4, a head pipe 2, a pull pipe 8 and a fixed sleeve 9, and the two ends of the upper pipe 4 are respectively fixed on the standpipe 1 and the head pipe 2, the upper end of the standpipe 1 has a main seat pipe joint 6, the side wall of the standpipe 1 has a through hole connected with the inner wall of the upper pipe 4, and one end of the pull pipe 8 extends through the through hole. Inside the upper tube 4, the side wall of the upper tube 4 has a threaded hole that communicates with the inside of the upper tube 4. There is a third fixing bolt 13 in the threaded hole, and the end of the third fixing bolt 13 can interfere with the side wall of the pull tube 8. ;

[0011] The other end of the pull tube 8 protrudes from the rear of the standpipe 1, and the fixed sleeve 9 is sleeved on the other end of the pull tube 8. The upper part of the fix...

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PUM

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Abstract

The invention provides a vehicle frame of a variable seat, which includes a standpipe, an upper pipe, a head pipe, a pull pipe and a fixed sleeve. The two ends of the upper pipe are respectively fixed on the upper part of the standpipe and the headpipe. The upper end of the standpipe has a main seat pipe joint, the side wall of the standpipe has a through hole that communicates with the inner wall of the upper tube, one end of the pull tube extends into the upper tube through the through hole, and the side wall of the upper tube has a through hole that communicates with the inner wall of the upper tube. Threaded hole, there is a third fixing bolt in the threaded hole, the end of the third fixing bolt can conflict with the side wall of the drawing tube; the other end of the drawing tube protrudes from the rear of the stand pipe, and the fixing sleeve is sleeved on the On the other end, the upper part of the fixed sleeve has a seat pipe joint, the fixed sleeve has a through hole through the side wall of the draw tube, and the fixed sleeve and the draw tube are fixed by the first fixing bolt passing through the through hole. The beneficial effect of the invention is that it can be changed into a double-seat structure according to needs, which is convenient for carrying passengers, and does not occupy the loading space of the vehicle body when not in use.

Description

technical field [0001] The invention relates to a vehicle frame of a variable seat. Background technique [0002] As the skeleton of the entire bicycle, the frame determines and affects the correctness and comfort of the riding posture to the greatest extent. The existing bicycle frame has single function, low multi-functionality and practicality. Contents of the invention [0003] The problem to be solved by the invention is to provide a vehicle frame of a variable seat, which overcomes the deficiencies in the prior art. [0004] In order to solve the above-mentioned technical problems, the technical solution adopted by the present invention is: the vehicle frame of the variable seat includes a riser, an upper tube, a head tube, a draw tube and a fixed sleeve, and the two ends of the upper tube are respectively fixed on On the upper part of the standpipe and the head pipe, the upper end of the standpipe has a main seat pipe joint, the side wall of the standpipe has a th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62K19/00B62K19/36
CPCB62K19/00B62K19/36
Inventor 菅竣盛
Owner TIANJIN JUYOU BICYCLE
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