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Levorotatory screwdriver and dextrogyric screwdriver

A screwdriver and helix technology, applied in the field of screwdrivers, can solve problems such as slow speed and inability to remove, and achieve the effect of improving work efficiency

Inactive Publication Date: 2007-02-07
孙海平
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the prior art, the commonly used screwdriver to install and remove the screws can only turn half a circle at a time, the speed is very slow, and sometimes there is trouble that it cannot be removed, especially in the assembly of furniture and aluminum alloys, etc., it is necessary to install and remove a large number of screws, which is not relatively simple. screwdriver for efficient installation and removal of screws

Method used

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  • Levorotatory screwdriver and dextrogyric screwdriver
  • Levorotatory screwdriver and dextrogyric screwdriver

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0010] When a right-handed screwdriver is used to push into the groove at the bottom of the right-handed screw, and the bottom of the right-handed screwdriver is pushed by hand, the rear part of the screwdriver body 2 presses the recoil spring 4, and the recoil spring 4 contracts along the recoil thick tube 3 and the recoil thin rod 5 At the same time, the steel ball 6 slides along the right-handed screwdriver slideway 8, driving the screwdriver rod 7 to rotate to the right to complete the tightening and fixing of the right-handed screw. position, ready for the next right-handed screw to be tightened and fixed. If the right-handed screw is removed, perform the same operation with a left-handed screwdriver.

[0011] For the left-handed screw, tighten it with a left-handed screwdriver, and remove it with a right-handed screwdriver.

[0012] For various reasons, when the screw is too firm and cannot be tightened or removed, tap the bottom of the screwdriver with a hard object to ...

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PUM

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Abstract

The invention relates to a left and right rotation screwdriver, which is formed by rubber sheath (1), a screwdriver body (2) and a screwdriver rod (7), wherein it is characterized in that: the screwdriver body (2) is sheathed with rubber sheath (1); the inner part of screwdriver body (2) is a cylinder chamber; the front part of chamber has screwdriver rod (7) whose front half part is small and back part is large; the back part is embedded with two opposite steel balls (6); the screwdriver rod (7) contains fine rod (5) whose front end is annular protruded and back end contains thick tube (3); the back end of thick tube (3) is annularly protruded; the return spring (4) is sheathed between two annular protrusions of return thick tube (3) and return fine tube (5); the left-rotation screwdriver can rotate the screw leftwards quickly; and the right-rotation screwdriver can rotate the screw quickly rightwards, to impact the corroded screw, improve the working efficiency, only by pushing the back part of screwdriver with hand.

Description

technical field [0001] The invention relates to a screwdriver, in particular to a screwdriver that rotates to the left and a screwdriver that rotates to the right, and belongs to the technical field of tools. Background technique [0002] In the prior art, the commonly used screwdriver to install and remove the screws can only turn half a circle at a time, the speed is very slow, and sometimes there is trouble that it cannot be removed, especially in the assembly of furniture and aluminum alloys, etc., it is necessary to install and remove a large number of screws, which is not relatively simple. The screwdriver can install and remove screws efficiently. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, and provide a high-efficiency left-handed screwdriver and right-handed screwdriver with simple structure and single rotation direction, which can impact rusty screws. [0004] Th...

Claims

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Application Information

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IPC IPC(8): B25B15/02B25B23/16
Inventor 孙海平
Owner 孙海平
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