Universal cross screwdriver

A screwdriver, general-purpose technology, applied to screwdrivers, wrenches, wrenches, etc., can solve the problems of small size, easy loss, and difficult storage of screwdriver heads

Active Publication Date: 2016-06-22
蔡恩来
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Existing cross-shaped screws are widely used. With the size of the cross-shaped screws, it is necessary to reserve cross-shaped screwdrivers of various sizes; in this way, the tools that the electrician needs to carry with him will become more and more, which is extremely inconvenient.
In order to solve this problem, the industry adopts: one screwdriver handle is equipped with multiple screwdriver heads to replace multiple cross-shaped screwdrivers of different types, which greatly facilitates the operation of electricians, but the screwdriver heads are small in size, difficult to store, and easy to lose

Method used

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Embodiment Construction

[0021] The present invention will be further described below in conjunction with the accompanying drawings.

[0022] Such as Figures 1 to 3 As shown, a kind of general-purpose Phillips screwdriver described in the present invention comprises cylinder body 1, cutter head 2, four cutter bars 3, fixed disc 5 and top plate 9, and one end of described four cutter bars 3 is all connected with cutter head 2 side walls are hinged, and the angle between every two adjacent knife bars 3 is 90 degrees, and the four knife bars 3 and the knife head 2 constitute the knife head body of the Phillips screwdriver, which is used to match the Phillips screw groove; The other ends of the cutter bar 3 are hinged with a connecting rod 4, and one end of the connecting rod 4 is hinged with the fixed disk 5.

[0023] The inner cavity of the cylinder body 1 is fixedly provided with a positioning plate 6, and the upper surface of the fixed plate 5 is fixedly provided with two pull rods 8, and one end of...

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Abstract

The invention relates to the technical field of universal cross screwdrivers in the hardware tool industry, in particular to a universal cross screwdriver. The universal cross screwdriver comprises a barrel; one end of each of four screwdriver bars is hinged with the side wall of a screwdriver head; the included angle between every two adjacent screwdriver bars is 90 degrees; the other end of each of the four screwdriver bars is hinged with a connecting rod; one end of the connecting rod is hinged with a fixed disc; a positioning disc is arranged in the cavity of the barrel; two pull rods are arranged on the upper surface of the fixed disc; one end of the pull rod penetrates through a guide hole in the positioning disc and then is fixedly arranged on the lower surface of a top disc; a positioning rod is arranged on the upper surface of the screwdriver head; one end of the positioning rod is arranged on the lower surface of the positioning disc; at least three outer sleeves are further arranged on the outer side wall of the barrel; outer screwdriver bars matched with the screwdriver bars are arranged at the bottom ends of the outer sleeves. When in use, the universal cross screwdriver greatly facilitates the operation of users, becomes a universal cross screwdriver tool, and is easy to store, and not easy to lose. The universal cross screwdriver has the advantages of being simple in structure, reasonable in setting and low in manufacture cost.

Description

technical field [0001] The invention relates to the technical field of Phillips screwdrivers in the hardware tool industry, in particular to a general-purpose Phillips screwdriver. Background technique [0002] A screwdriver is a tool used to turn a screw to force it into place, usually with a thin wedge-shaped head that fits into a slot or notch in the screw head. There are two common screwdrivers, one-shaped and cross-shaped, which are common tools for electricians and essential tools for families. [0003] Existing cross-shaped screws are widely used. With the size of the cross-shaped screws, it is necessary to reserve cross-shaped screwdrivers of various sizes; in this way, the tools that the electrician needs to carry with him will become more and more, which is extremely inconvenient. . In order to solve this problem, the industry adopts: one screwdriver handle is equipped with multiple screwdriver heads to replace multiple cross-shaped screwdrivers of different type...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25B15/02
CPCB25B15/005B25B15/02B25B23/0007B25B23/16
Inventor 黄宇松
Owner 蔡恩来
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