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chain guide

A technology of chains and guides, applied in the direction of belts/chains/gears, mechanical equipment, transmissions, etc., to achieve the effects of reduced durability, reduced thin-walled parts, and reduced sliding resistance

Active Publication Date: 2017-01-04
TSUBAKIMOTO CHAIN CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0022] In addition, if Figure 11 As shown, when the width B of the moving surface groove 514 is greater than the thickness A of the flat plate 520 (the width of the slit groove 512), or as Figure 12 As shown, the center line of the moving surface groove 514 deviates from the center line of the flat plate 520 (slit groove 512 ) and the width direction end of the moving surface groove 514 extends outward in the width direction compared with the flat plate 520 (slit groove 512 ). , the flat plate 520 cannot effectively withstand the pressing force from the surface of the motion guide part 511 on the outer side from directly below.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] The chain guide 100 (swing guide) which concerns on one Embodiment of this invention is demonstrated based on drawing.

[0055] Such as Figure 1 to Figure 6 As shown, the chain guide 100 includes: a guide block 110 for slidingly guiding the moving chain; and a flat plate 120 for reinforcing the guide block 110 along the moving direction of the chain.

[0056] The guide block 110 is made of a resin material and has a movement guide 111 extending in the chain movement direction and a slot 112 into which the plate 120 can be inserted from below on the back side of the movement guide 111 .

[0057] In the center of the width direction of the surface of the movement guide part 111 is provided a movement surface groove 114 extending in the movement direction of the chain.

[0058] The flat plate 120 is as follows. It is composed of a plate-like member extending in the direction of the chain movement. It has a predetermined curved shape and the same cross-section along the d...

Embodiment 2

[0072] The chain guide 200 (swing guide) which concerns on one Embodiment of this invention is demonstrated based on drawing.

[0073] Such as Figure 7 to Figure 9 As shown, the chain guide 200 includes: a guide block 210 for slidingly guiding the moving chain; and a flat plate 220 for reinforcing the guide block 210 along the moving direction of the chain.

[0074] The guide block 210 is made of a resin material, and has a movement guide 211 extending in the chain movement direction, and a slot 212 into which a flat plate 220 can be inserted into the back side of the movement guide 211 from below.

[0075] In the center of the width direction of the surface of the movement guide part 211 is provided a movement surface groove 214 extending in the movement direction of the chain.

[0076] The flat plate 220 is composed of a plate-shaped member extending in the direction of the chain movement, has a predetermined curved shape along the direction of the chain movement and has t...

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Abstract

The invention provides a chain guide which is simple in structure and occupies less space while guaranteeing necessary strength, rigidity and durability. Meanwhile, the sliding resistance between a motion guide part and a chain is reduced, the heat generated by the sliding is reduced, the wear and the damge are reduced and the durability is high. Specifically, a guide block (110) comprises a gap groove (112) capable of inserting a flat plate (120) to the back side of the motion guide part (111) from below. The groove width (B) of a motion face groove (114) extending in the chain motion direction of the motion guide part (111) is greater than 0 in a high pressing force area (115) and is less than the groove width (A) of the gap groove (112).

Description

technical field [0001] The invention relates to a chain guide, which comprises: a guide block, which slides and guides a moving chain; and a flat plate, which reinforces the guide block along the moving direction of the chain. Background technique [0002] Conventionally, in order to stabilize and properly maintain the tension of the chain moving between the sprockets, a chain guide provided with a guide block for slidingly guiding the moving chain is generally used. [0003] For example, if Figure 10 As shown, the following timing system is known, which is a transmission chain CH such as a roller chain that performs seamless rotation between sprockets S1 and S2 of a crankshaft and a camshaft respectively provided in an engine room. In the timing system of a moving engine, the timing chain CH rotates seamlessly between the driving sprocket S1 of the crankshaft installed in the engine room E and a pair of driven sprockets S2 installed on the camshaft, and swings The chain g...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H7/18
CPCF16H2007/0872
Inventor 近能雅彦
Owner TSUBAKIMOTO CHAIN CO