Chain-sheet structure provided with double spaces

A dual-space, chain piece technology, applied in the direction of the chain ring, etc., can solve different problems that affect the speed change function, etc.
CN104948664AActive Publication Date: 2015-09-30YABAN CHAIN INDAL
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Patent Information

Authority / Receiving Office
CN ยท China
Current Assignee / Owner
YABAN CHAIN INDAL
Publication Date
2015-09-30

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Abstract

The invention relates to a chain-sheet structure provided with double spaces. A limiting block is arranged at the adjacent position between an acting surface of a chain-sheet body and a first clamping face, and the height of the limiting block is larger than that of the acting surface; a lining is connected to each annular protrusion in an assembled mode, a hole is formed in each lining, and the maximum diameter of each hole is larger than that of the corresponding annular protrusion; two chain-sheet bodies can be assembled relatively, so that a first space is formed between the acting surfaces of the two chain-sheet bodies, the limiting block is used for narrowing the first space, and the linings move on combined parts in a limited mode for forming a second space. By means of the structure, the advantages of changing speed stably and fast and avoiding noise can be achieved.
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Description

technical field

[0001] The present invention relates to a chain piece structure with double spaces, in particular to a chain piece structure with two spaces after assembly, which helps to achieve the advantages of stable, fast and noise-free shifting. Background technique

[0002] For the chain structure commonly used for bicycle speed change at present, please refer to Figure 15 As shown, it uses a chain A to pass through a transmission guide wheel B and a speed change chainring C, so as to be used for transmission and speed change, but because the gap between each pair of chain pieces A1 of the chain A is fixed, and The sprocket B1 of the guide wheel B and the sprocket C1 of the transmission chainring C have different thicknesses, so the sprocket B1 of the guide wheel B and the sprocket C1 of the transmission chainring C are respectively inserted into the chain A. The gaps in the two chain pieces A1 will be different, either too loose or too tight, which will affect the f...

Claims

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