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Screwdriver

A technology of screwdriver and cutter head, applied in screwdriver, wrench, wrench and other directions, can solve problems such as single function, and achieve the effect of convenient operation, stable work and simple structure

Inactive Publication Date: 2014-12-17
CHANGZHOU HEDA OIL PUMP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the existing single-function deficiency, the invention provides a screwdriver

Method used

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  • Screwdriver

Examples

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Comparison scheme
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Embodiment Construction

[0009] like figure 1 It is a structural diagram of the present invention, a screwdriver, including a handle 1, a connecting rod 2 and a cutter head 3 installed at the bottom of the connecting rod 2, the connecting rod 2 is composed of an upper rod 2-1 and a lower rod 2-2, the upper The bottom of the rod 2-1 is provided with an inner hexagonal groove 4, the top of the lower rod 2-2 is provided with a hexagonal boss 5, and the junction of the upper rod 2-1 and the lower rod 2-2 is provided with a hasp 6. During work, it is necessary to install the lower bar 2-2 with the cutter head 3 with a screwdriver, and then fix the connection with the hasp 6, and take off the lower bar when the sleeve needs to be used, which is convenient and quick.

[0010] The improved screwdriver has the advantages of simple structure, convenient operation, two-in-one screw and nut, stable work and strong practicability.

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PUM

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Abstract

The invention relates to the technical field of a hardware tool, in particular to a screwdriver. The existing screwdriver only has a single function for twisting screws and is single in function. The screwdriver comprises a handle, a connecting rod and a tool bit which is installed on the bottom of the connecting rod, wherein the connecting rod consists of an upper rod and a lower rod, the bottom of the upper rod is provided with an inner hexagonal groove, the top end of the lower rod is provided with a hexagonal boss, and the junction of the upper rod and the lower rod is provided with a buckle. The improved screwdriver is simple in structure and convenient to operate, capable of twisting the screw and the nut, stable in work and high in practicability.

Description

technical field [0001] The invention relates to the technical field of hardware tools, in particular to a screwdriver. Background technique [0002] A screwdriver is a tool used to twist a screw to force it to be in place. The existing screwdrivers only have a single function of turning the screw, which is relatively simple. Contents of the invention [0003] In order to overcome the existing shortage of single function, the invention provides a screwdriver. [0004] The technical solution adopted by the present invention to solve the technical problem is: a screwdriver, including a handle, a connecting rod and a cutter head installed at the bottom of the connecting rod, the connecting rod is composed of an upper rod and a lower rod, and the bottom of the upper rod is provided with an inner A hexagonal groove, a hexagonal boss is provided at the top of the lower rod, and a hasp is provided at the joint between the upper rod and the lower rod. [0005] The invention has t...

Claims

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Application Information

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IPC IPC(8): B25B15/02B25B23/00
CPCB25B15/02B25B13/06
Inventor 徐亚芳
Owner CHANGZHOU HEDA OIL PUMP