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Chain saw speed regulating structure

A technology for speed regulation and chain saws, which is applied in the direction of chain saws, sawing equipment, wood processing appliances, etc., and can solve problems such as lack of speed regulation functions

Active Publication Date: 2013-12-18
ZHEJIANG YAT ELECTRICAL APPLIANCE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Most of the existing chainsaws do not have the function of speed regulation, and can only work at a specific speed under the rated power. For different textures of wood, the chains of the chainsaw have different degrees of wear and tear. For example, when cutting on hard wood, May require the chain saw to cut at a slower speed to prevent the chain from collapsing or even breaking

Method used

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Embodiment Construction

[0010] Such as figure 1 and 2 Shown is a structural diagram of an embodiment of the present invention, the chain saw speed regulating structure, including a casing 1, and a speed regulating assembly is arranged on the casing. The speed regulating assembly includes a speed regulating knob 2 arranged on the outside of the casing and a speed regulating module 3 arranged in the casing. The speed regulating module is connected to the chain saw motor control circuit, and the end of the speed regulating knob is provided with a ring resistor 21. The ring resistance rotates with the rotation of the speed control knob, and the speed control input terminal of the speed control module is connected with the ring resistance.

[0011] In the above embodiment, the speed control module uses HT46R01C single-chip microcomputer, and the output power of the chainsaw motor is changed by changing the size of the ring resistance connected in series with the speed control module, which is finally man...

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Abstract

The invention discloses a chain saw speed regulating structure which comprises a shell; and a speed regulating assembly is arranged on the shell. The chain saw speed regulating structure changes the output power of a chain saw motor by changing resistors connected with a speed regulating module in series, and finally changes the output speed of a chain saw; moreover, the resistors connected in series do not have gears; therefore, stepless speed change can be realized.

Description

technical field [0001] The invention relates to a chain saw structure, in particular to a chain saw speed regulating structure. Background technique [0002] Most of the existing chainsaws do not have the function of speed regulation, and can only work at a specific speed under the rated power. For different textures of wood, the chains of the chainsaw have different degrees of wear and tear. For example, when cutting on hard wood, It may be necessary for the chain saw to cut at a slower speed to prevent the chain from collapsing or even breaking. Contents of the invention [0003] The problem to be solved by the present invention is to provide a chainsaw speed regulation structure, which is simple in structure, enables the chainsaw to have the function of stepless speed regulation, and is suitable for cutting work of various woods with different textures. [0004] In order to solve the above-mentioned technical problems, the present invention adopts the following technic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B27B17/00
Inventor 韩焕忠
Owner ZHEJIANG YAT ELECTRICAL APPLIANCE CO LTD