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A new type of camshaft signal plate

A technology of camshafts and signal discs, which is applied in the direction of valve devices, machines/engines, mechanical equipment, etc., can solve the problems of positioning pins becoming larger and deformed, positioning pins and positioning pins not working normally, and affecting positioning accuracy, so as to prevent deformation Or offset, good use effect, and stable effect

Active Publication Date: 2019-03-26
GUANGXI YUCHAI MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The positioning of a positioning pin has the following problems: 1. When positioning a positioning pin, the camshaft signal plate has a certain angle of deflection centered on the axis of the pin hole; 2. The positioning of a positioning pin itself has interference design and on-site assembly of the positioning pin and other problems that may cause the positioning pin to not work properly
Moreover, after the signal plate rotates at high speed for a long time, it is easy to cause the positioning pin to be enlarged and deformed due to the inertia of the signal plate itself, which will affect the accuracy of positioning.

Method used

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  • A new type of camshaft signal plate
  • A new type of camshaft signal plate

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Embodiment Construction

[0015] Such as Figure 1~2 As shown, a new type of camshaft signal plate includes a plate body 1, and the outer periphery of the plate 1 is distributed with a convex tooth structure; the plate body 1 is combined with the camshaft journal 8, and the center of the plate body 1 is also opened There is a shaft hole 6; four fixing holes 3 in a quadrangular distribution are opened around the shaft hole 6, and these four fixing holes 3 are mainly used for fastening the signal disk, and can evenly disperse the fastening force to prevent the signal disk from Tilt. The same side body surface of the disc body 1 is also distributed with six positioning teeth 2 in the shape of a rectangular body; the positioning teeth 2 are distributed on the outer periphery of the fixing hole 3, and are evenly distributed in a circle; the positioning teeth 2 and the The corresponding groove body provided on the camshaft journal 8 adopts an interference fit. In the present invention, by distributing four...

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Abstract

The invention discloses a novel cam shaft signal panel which comprises a panel body. The panel body is combined to a shaft neck of a cam shaft. A shaft hole is further formed in the center of the panel body. A plurality of fixing holes are formed around the shaft hole. A plurality of locating teeth are further distributed on the body face of the same side of the panel body. The novel cam shaft signal panel is simple in structure, easy to install, capable of maintaining accuracy and stability of location in the long-term high-speed rotation process, low in production cost and good in use effect.

Description

technical field [0001] The invention relates to the technical field of engines, in particular to a novel camshaft signal disc. technical background [0002] During the operation of the engine, it is necessary to monitor the working conditions of each cylinder of the engine, which is generally identified by the change of the cam phase. This requires the cam phase sensor, and the corresponding camshaft signal disc is the source of the cam phase change. The installation and positioning of the camshaft signal plate is particularly important. The camshaft signal plate is generally positioned using a positioning pin for positioning. The positioning of a positioning pin has the following problems: 1. When positioning a positioning pin, the camshaft signal plate has a certain angle of deflection centered on the axis of the pin hole; 2. The positioning of a positioning pin itself has interference design and on-site assembly of the positioning pin and other problems that may cause ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01L1/047
CPCF01L1/047F01L2001/0473
Inventor 刘显宏朱荣苏怀林刘益军吴定勇余锦海
Owner GUANGXI YUCHAI MASCH CO LTD