Folding device

A technology of folding device and hollow shaft, which is applied to foldable bicycles, transportation and packaging, motor vehicles, etc., can solve the problems of slow folding speed, inconvenient folding operation, complex structure, etc., and achieve strong versatility and high speed And the effect of convenient performance and simple structure
CN100556746CInactive Publication Date: 2009-11-04ๅˆ˜ๅ›

Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Patents(China)
Current Assignee / Owner
ๅˆ˜ๅ›
Publication Date
2009-11-04
Estimated Expiration
Not applicable ยท inactive patent

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Abstract

The invention discloses a folding device for folding bicycles and other folding vehicles, which comprises a front frame (1) and a rear frame (2), and also includes a hollow shaft sleeve (3) and a hollow shaft sleeve (3) which is rotatably fitted ), the hollow shaft sleeve (3) is connected with the rear frame (2) or the front frame (1), and the two ends of the hollow shaft (5) are connected with the front frame (1) or the rear frame (2) A locking device capable of locking or releasing the relative circumferential position between the hollow shaft (5) and the hollow shaft sleeve (3) is provided in the hollow shaft (5) and on the hollow shaft sleeve (3). The folding device has the advantages of simple structure, rapid folding and unfolding process, simple operation and strong versatility in folding carts.
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Description

technical field

[0001] The invention relates to a folding vehicle device for folding bicycles, folding bicycles or folding scooter and other folding vehicles. Background technique

[0002] With the sharp rise of global energy prices and the aggravation of environmental pollution, people pay more and more attention to energy-saving, environmentally friendly and fitness vehicles. In recent years, various folding vehicles such as folding bicycles and folding assistants have brought convenience to people's fitness and travel Motor vehicles, folding scooters, etc. are becoming more and more popular. While it brings convenience to people's travel, it also has a little regret, because the folding devices of the existing folding bicycles generally have the disadvantages of inconvenient folding operation and slow folding speed. For example, the folding mechanism shown in the utility model whose authorization announcement number is CN 2712782 and authorization announcement number is ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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