Electric hammer tool handle with vibration damping function

A technology of electric hammer and handle, which is applied in the direction of striking tools, manufacturing tools, light impact tools, etc. It can solve the problems of the weakening of elastic material performance and use time, and achieve the effects of reducing vibration and noise, convenient use, and reducing wear and friction

Inactive Publication Date: 2007-11-28
ZHEJIANG UNIV
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  • Abstract
  • Description
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Problems solved by technology

It is also proposed in this document that the connecting rods have the same length, and the hinge points on the casing are adjacent, so that the gear teeth on the ends of the two connecting rods mesh with each other. Although the transmission of vibration from the casing to the handle is reduced, the performance of the elastic material Decreases with time and frequency of use

Method used

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  • Electric hammer tool handle with vibration damping function

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Embodiment Construction

[0013] As shown in the drawings, the present invention is equipped with a pair of permanent magnets 2, 3, 7 and 6 constitute the phase connection of the repelling magnetic spring, and the screws 5 pass through the guide grooves of the two inner holes of the shell 1 of the electric hammer tool respectively, and are fixed on the two sides of the "c"-shaped electric hammer handle 4, and the screws 5 and the guide grooves form Slip fit. Repulsive magnetic springs are used to absorb vibrations generated by equipment during operation.

[0014] The two pairs of permanent magnets 2 and 3, 7 and 6 can move relatively axially along the two inner holes of the housing 1, and the first permanent magnet 2 and the third permanent magnet 7 are respectively fixed on the housing of the electric hammer tool with screws 8 1. At the bottom of the two inner holes, the second permanent magnet 3 and the fourth permanent magnet 6 are respectively fixed on the end face of the "c" shaped electric hamme...

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Abstract

The present invention discloses one kind of damping electric hammer handle. Between the electric hammer casing and each of two C-shaped electric hammer handle rods, one repulsion type magnetic connecting spring comprising one pair of permanent magnets is set, and one screw penetrating the guide slot in the electric hammer casing is fixed to the rod, with the screw and the guide slot forming one slide fitting structure. The repulsion type magnetic connecting spring is connected to the tail of the electric hammer casing to reduce wear, friction, vibration and noise. The present invention has simple structure, convenient use and no influence of environment factor.

Description

technical field [0001] The invention relates to parts of a portable power impact tool, in particular to a handle of an electric hammer tool with vibration reduction. Background technique [0002] For manual machine tools with impact drives, such as impact hammers, impact drills, etc., there will be quite strong vibrations in the machine tool, which will be transmitted to the machine tool handle and make the operator not only uncomfortable, And it is harmful to their health. The application date is March 13, 2002, and the patent application number is 02801975.X, which discloses a hand-held machine tool handle with vibration damping. The legs are elastically connected to the casing, and at least one of the two ends of the connecting rod that is oriented substantially perpendicular to the longitudinal axis of the machine tool is hinged on the two legs, and the other end of the connecting rod is located at the two ends of the casing of the handle. on the area between the legs....

Claims

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Application Information

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IPC IPC(8): B25D17/04B25D17/24
Inventor 邱清盈张惠冯培恩
Owner ZHEJIANG UNIV
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