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Electric saw

A technology of electric saw and motor shaft, applied in the field of reciprocating saw, can solve the problems of wear, reduce the effectiveness of the knife-lifting mechanism, reduce the service life of the knife-lifting mechanism, etc., and achieve the effect of reducing wear and tear

Active Publication Date: 2017-12-08
NANJING CHERVON IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the process of continuously driving the reciprocating rod to swing up and down in the existing knife-lifting mechanism, severe wear and tear will occur, and in the long run, the service life of the knife-lifting mechanism will be reduced, and the effectiveness of the knife-lifting mechanism will be reduced

Method used

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Embodiment Construction

[0022] The present invention will be specifically introduced below in conjunction with the accompanying drawings and specific embodiments.

[0023] The present invention proposes an electric saw, which can be, for example, figure 1 The reciprocating saw 100 shown, figure 1 The reciprocating saw 100 of the illustrated embodiment can drive the saw blade 14 to reciprocate, so that the saw blade 14 can be used for sawing wood, metal and other objects. It can be understood that the chainsaw can also be other reciprocating saws, such as jigsaws, horse saws and the like.

[0024] Such as Figure 1 to Figure 3 As shown, the reciprocating saw 100 includes: a housing 11 , a motor 12 , a transmission mechanism 20 , a reciprocating rod 13 , a saw blade 14 and a knife lifting mechanism 30 . In order to facilitate and clearly explain the content of the technical solution, such as figure 1 As shown, the present invention also defines the upper side, lower side, front side, and rear side ...

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Abstract

The invention discloses an electric saw which comprises a motor, a shell, a reciprocating lever, a transmission gear, a cam, a transmission support, a cutter lifting pin and a lubrication piece. The motor comprises a motor shaft capable of rotating, the shell is used for containing the motor, the reciprocating lever can do reciprocating motion and is used for installing a saw blade, the transmission gear is driven by the motor, the cam and the transmission gear form synchronous rotation, and a transmission hole allowing the reciprocating lever to be embedded therein can be formed on the transmission support; and one end of the cutter lifting pin can be in contact with the cam, the other end of the cutter lifting pin can be in contact with the transmission support, and the lubrication piece can be in contact with the cam and can smear lubricating oil to the cam during contact. The lubrication piece can smear lubricating oil to the cam, and therefore contact between the cutter lifting pin and the cam can be lubricated, the effectiveness of the cutter lifting function of the cutter lifting pin is guaranteed, and the service life of the cutter lifting pin and the cam can be prolonged.

Description

technical field [0001] The invention relates to an electric saw, in particular to a reciprocating saw. Background technique [0002] Electric saws such as reciprocating saws, jigsaws, and horse saws generally include a reciprocating rod connected to the saw blade. The reciprocating rod is driven by a motor to reciprocate, and then drives the saw blade to perform reciprocating sawing motion. Specifically such as a reciprocating saw, the reciprocating rod of the reciprocating saw can move along the front and rear directions. Usually includes a knife lifting mechanism. [0003] However, in the process of continuously driving the reciprocating rod to swing up and down in the existing knife-lifting mechanism, serious wear and tear will occur, which will reduce the service life of the knife-lifting mechanism and reduce the effectiveness of the knife-lifting mechanism in the long run. Contents of the invention [0004] An electric saw, comprising: a motor, a casing, a reciproca...

Claims

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Application Information

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IPC IPC(8): B23D59/00B23D51/16
CPCB23D51/16B23D59/00
Inventor 周洋王超
Owner NANJING CHERVON IND
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