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A lever type folding bicycle

A folding bicycle, lever-type technology, applied in foldable bicycles, bicycles, motor vehicles, etc., can solve the problems of high precision requirements, difficult adjustment and repair, complex structure, etc., to achieve high transmission rate, novel and unique overall shape, change The effect of the frame structure

Active Publication Date: 2018-09-25
胡章地
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In principle, it is proposed to use a double crank linkage mechanism to solve the problems existing in the crank drive structure, but its structure is still relatively complicated, and requires high precision, making it difficult to adjust and repair.

Method used

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  • A lever type folding bicycle
  • A lever type folding bicycle
  • A lever type folding bicycle

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Embodiment Construction

[0018] The technical solution of this patent will be further described in detail below in conjunction with specific embodiments.

[0019] see Figure 1-7 , a lever-type folding bicycle, including a lever transmission mechanism and a folding device, the lever transmission mechanism includes a central shaft 1, a crank 2, a crank shaft 3, a connecting rod 4, a connecting rod shaft 5, a lever 6, a pedal 7, Lever bump 8 and lever shaft 9; described lever transmission mechanism all is provided with left and right two groups except central shaft 1, and central shaft 1 places rear wheel 20 centers, and crank 2 is fixed on central shaft 1 two ends; Described crank 2 and The crankshaft 3 has an integral structure, the crankshaft 3 is deviated from the central position of the crank 2, and the crankshaft 3 is movably connected with one end of the connecting rod 4; the other end of the connecting rod 4 is movable with the rear end of the connecting rod shaft 5 and the lever 6 connection, ...

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Abstract

The invention discloses a lever-type folding bicycle which comprises a lever transmission mechanism and a folding device. The lever transmission mechanism comprises a central shaft, cranks, crankshafts, connecting rods, connecting rod shafts, levers, pedals, lever bumps and lever shafts; except for the central shaft, the lever transmission mechanism is provided with both left and right groups of components. According to the lever-type folding bicycle disclosed by the invention, a fulcrum of each lever is deviated from an axis position of the lever, the connecting rod pushes the crank to rotate when the lever rotates, and a rotating angle of the crank and the central shaft is changed, so that the problem of dead point of a conventional crank connecting rod mechanism is solved. According to the lever-type folding bicycle disclosed by the invention, a centre shaft and related components are completely abandoned, a pressure angle of an original driving mechanism is changed, a lever length is prolonged, a frame structure is changed, the bicycle is novel and unique in integral shape, and the bicycle which is bran-new, reliable to work, simple in structure, convenient to store, long in service life and comfortable and stable to ride is provided.

Description

technical field [0001] The invention relates to the field of bicycles, in particular to a lever type folding bicycle. Background technique [0002] Existing bicycles, with the development of the times, have greatly improved the appearance, manufacturing materials, and variable speed folding devices of bicycles, but the drive core has not changed. The circular motion of the pedals is the circular motion of the wheels. The storage takes up a large space and is inconvenient to store. CN104527899 A, which has greatly improved the above defects, discloses a double crank connecting rod reciprocating bicycle, which completely abandons the central axis and related components, and replaces the traditional driving method with the up and down motion of both feet. In principle, it is proposed to use the double crank linkage mechanism to solve the problems existing in the crank drive structure, but its structure is still relatively complicated, and requires high precision, and it is dif...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62K15/00B62M15/00B62M1/24
CPCB62K15/006B62M1/24B62M15/00
Inventor 胡章地
Owner 胡章地
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