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Chain tensioner device

A chain tensioning device and chain technology, which is applied in transmission devices, belts/chains/gears, mechanical equipment, etc., can solve problems such as processing troubles, and achieve the effect of easy processing and easy assembly

Active Publication Date: 2012-07-04
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, if a structure in which the wedge-shaped part is in contact with the inner surface of the engine is used, in order to ensure that the wedge-shaped part can slide smoothly, necessary processing must be carried out on the part of the inner surface of the engine main body that is in contact with the wedge-shaped part. very troublesome

Method used

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Embodiment Construction

[0041] Refer below Figure 1 to Figure 5 A first embodiment of the present invention will be described. First, if figure 1 As shown, the engine involved in this embodiment is an engine equipped on a motorcycle, and its engine main body 11A has a crankcase 13, a cylinder assembly 14A, a cylinder head 15, and a cylinder head cover 16, wherein the crankcase 13 is rotatable The crankshaft 12 is supported on the ground, and the axis of the crankshaft 12 is consistent with the vehicle width direction of the motorcycle; the cylinder assembly 14A is connected with the crankcase 13 and is inclined forward and upward; the cylinder head 15 is connected with the cylinder assembly 14A; the cylinder head cover 16 It is connected with the above-mentioned cylinder head 15 to form a valve cavity 17 between it and the cylinder head 15 .

[0042] A valve mechanism 18 is housed in the valve chamber 17 . The valve mechanism 18 has a camshaft 19 whose axis is parallel to the above-mentioned crank...

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Abstract

The present invention aims to provide a chain tensioner device which is provided with the following components: a tensioning arm, a wedge-shaped component base and a loading mechanism. An engine body is provided with a chain path for passing of a chain. The chain moves through the chain path. One end of the tensioning arm is rotatably supported on the engine body. Furthermore the tensioning arm slidably contacts with an external surface of a slag side of the chain. The wedge-shaped component base is fixed on an inner surface side of the part of the engine body, which faces the chain path. The loading mechanism is provided with a wedge-shaped component which is equipped between the tensioning arm and the wedge-shaped component base and slidably contacts with the wedge-shaped component base. The wedge-shaped component can generate movement for loading the tensioning arm to one side which is next to the chain. The chain tensioner device according to the invention can be adopted for forming the wedge-shaped component base which slidably contacts with the wedge-shaped component without complicated machining on the engine body. A problem settling solution of the chain tensioner device is characterized in that the wedge-shaped component base (36A) is detachably equipped on the engine body (11A).

Description

technical field [0001] The present invention relates to a chain tensioning device, the chain tensioning device has a tensioning arm, a wedge-shaped component seat, and a loading mechanism, wherein a chain passage for the chain to pass is provided on the engine main body, and the chain moves through the chain passage, the above-mentioned One end of the tension arm is rotatably supported on the engine main body, and the tension arm is in sliding contact with the outer surface of the slack side of the chain; Surface side; the loading mechanism has a wedge-shaped member disposed between the tension arm and the wedge-shaped member seat and in sliding contact with the wedge-shaped member seat, and the wedge-shaped member can move to load the tension arm toward the side of the chain. Background technique [0002] Patent Document 1 discloses a chain tensioner in which a guide rod is supported on a tension arm of the chain tensioner, and the guide rod can swing (rotate). The tension...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H7/08
Inventor 河野直树渡边觉横谷登小山贵史川上拓郎
Owner HONDA MOTOR CO LTD