Multifunctional draw-out screwdriver

Abstract

The invention relates to a multi-functional pull-out screwdriver, which includes a knife rod and a knife head fixed at the bottom of the knife rod. A knife rod sleeve is sleeved on the outside of the knife rod, and a bearing is fixed inside the knife rod sleeve. The cutter rod is inserted into the bearing, a handle is fixed on the top of the cutter rod cover, a gear is fixed on the cutter rod, and a cavity is provided on the cutter rod cover on one side of the gear, and a cavity is arranged in the cavity A rack is inserted, the rack is meshed with the gear, the gear and the rack are located on the same horizontal plane, a handle is fixed at the tail of the rack, and a disc-shaped cutter head is provided on the knife rod. A plurality of knife grooves are arranged on the cutter head, and different types of cutter heads are arranged above the knife grooves. By setting the screwdriver disk on the screwdriver body, the present invention can set different types of screwdriver bits on the screwdriver at the same time, and can quickly select and use a suitable screwdriver bit according to actual needs, thereby effectively improving work efficiency.

Description

technical field [0001] The invention relates to the technical field of mechanical tools, in particular to a multifunctional pull-out screwdriver. Background technique [0002] At present, there are two main types of screwdrivers for daily use in the market, depending on the source of power: one is manual screwdrivers, which are cheap and easy to carry, but they rely entirely on the wrist when used. Long-term use will cause wrist soreness and arm weakness, which will affect the work. continue; although the electric screwdriver is easy to use and saves physical strength, its use is limited; and when the light is dark or the screw is in a deep hole, it generally requires the other hand to hold an additional lighting tool to work accurately and normally. It greatly affects the production efficiency, and sometimes even brings certain potential safety hazards. Although some screwdrivers with self-luminous lighting devices have been invented now, their light sources are mostly pla...

AI Technical Summary

Problems solved by technology

[0002] At present, there are two main types of screwdrivers for daily use in the market, depending on the source of power: one is manual screwdrivers, which are cheap and easy to carry, but they rely entirely on the wrist when used. Long-term use will cause wrist soreness and arm weakness, which will affect the work. continue; although the electric screwdriver is easy to use and saves physical strength, its use is limited; and when the light is dark or the

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