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push chain

A technology of outer chain link and inner chain link, applied in the field of push chain, can solve the problems of noise, design trouble, noise, etc., and achieve the effect of preventing noise and high tensile strength

Active Publication Date: 2022-04-26
DAIDO KOGYO CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Therefore, it is necessary to design the distance between the outer plate 2 and the inner plate 6 in consideration of the gap, and the design is cumbersome, and there is a tendency that the difference in the distance between the time of compression and the time of tension becomes too large, and there is a possibility that noise may be generated, and impact load may act on the Bad condition of bushing etc.
[0007] In particular, when the push chain is fed into the sprocket, it sometimes produces noise

Method used

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Embodiment Construction

[0036] Embodiments of the present invention will be described below with reference to the drawings. First, the push chain which becomes the basis of this invention is demonstrated. Such as Figure 1A as well as Figure 1B As shown, the push chain 11 is configured to have an outer link 15 connecting both ends of a pair of outer plates 12 with a pin 13 and an inner link 19 using a bushing 17 to link both ends of a pair of inner plates 16, so that The pair of left and right outer plates 12 are outer sides, and pins 13 are inserted into bushes 17 to alternately connect outer links 15 and inner links 19 . The outer plate 12 has a pair of pin holes 21, 21 for press-fitting and fixing the pin 13, linear abutment surfaces 22, 22 formed on both end surfaces in the front-rear direction thereof, and an arcuate surface (in the bending direction) below it. Cutouts 23, 23. The inner plate 16 has a pair of bushing holes 25, 25 for press-fitting and fixing the bushing 17, linear abutting ...

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Abstract

The invention relates to a push chain. If the center distance of the pin hole of the outer plate (12) is set as P1', the center distance of the bushing hole of the inner plate is set as P2, and the gap between the pin (13) and the bushing (17) is set as Cl=(D- d) Assuming that the reference pitch of the sprockets is P, it is formed as P1'=P+Cl, and P2=P. Thus, when the compressive force acts, all the pitches become the reference pitch (P).

Description

technical field [0001] The present invention relates to a push chain that abuts against a plate end surface so as to be bendable in one direction but not bendable in another direction, and transmits rotational motion of a sprocket as a linear motion. Background technique [0002] Conventionally, as shown in FIG. 7 , there is known a push chain 1 in which outer links 5 and inner links 9 are alternately connected by inserting pins 3 into bushings 7 . The inner link 9 connects the two ends of the inner plate 6 having the same shape with the bushing 7 and fits the roller 8 in the bushing. Cover 7 and form (referring to patent document 1). For bending in one direction, the push chain 1 advances linearly by abutting against the contact surfaces 2a, 6a of the outer plates 2 and inner plates 6 to prevent bending. For bending in the other direction, it can pass The arc-shaped cutouts 2b and 6b of the above-mentioned plates are bent so as to be wound around the sprockets. [0003] ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16G13/20
CPCF16G13/20
Inventor 马场纯山田诚大江正浩
Owner DAIDO KOGYO CO LTD