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Novel screwdriver

A screwdriver, a new type of technology, applied in the direction of screwdrivers, multi-purpose hand tools, wrenches, etc., can solve the problems of inconvenient quick disassembly and assembly of the cutter head, inconvenient repair of the handle, and inconvenient adjustment of the distance between the handle and the handle, etc., to improve Convenience, improving the scope of application, and ensuring the effect of practicality

Inactive Publication Date: 2020-06-19
张竹林
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a new type of screwdriver to solve the above-mentioned background technology that the screwdriver is inconvenient to quickly disassemble the cutter head, adjust the distance between the knife rod and the handle of the knife, and hold the handle of the knife. Repair problems with screws

Method used

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Embodiment Construction

[0028] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0029] See Figure 1-6 , An embodiment provided by the present invention: a new type of screwdriver, including a handle 1, a bit 5, a shank 7, a screw cap 8 and a one-way threaded rod 9, the inner center of the shank 1 is provided with a one-way Threaded rod 9, the top of the tool holder 1 outside the one-way threaded rod 9 is provided with a ring groove 12, and the top of the ring groove 12 extends to the outside of the tool holder 1, s...

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Abstract

The invention discloses a novel screwdriver. The novel screwdriver comprises a tool shank, a tool bit, a tool bar, a spiral cap and a one-way threaded rod, wherein the center position inside the toolshank is provided with the one-way threaded rod; the top end of the one-way threaded rod extends to the top of the tool shank; the surface of the one-way threaded rod above the tool shank is in threaded connection to the spiral cap; the top end of the spiral cap is fixedly provided with the tool bar; the tool bit is arranged above the tool bar; a disassembly structure is arranged on the top of thetool bar below the tool bit; limiting frames are fixedly arranged on two inner side walls of the bottom of the tool shank, and adjacent limiting frames are symmetrical with respect to the center lineof the tool shank; the center positions inside the limiting frames are provided with limiting blocks; ends of the limiting blocks extend to the outer parts of the limiting frames and are fixedly connected to the outer wall of the one-way threaded rod. The novel screwdriver improves use convenience of the screwdriver, increases the range of application of the screwdriver, and ensures practicability of the screwdriver.

Description

Technical field [0001] The invention relates to the technical field of hardware tools, in particular to a new type of screwdriver. Background technique [0002] A screwdriver is a tool for tightening or loosening screws. It is one of the most common tools in daily life. It usually has a thin wedge-shaped head that can be inserted into the slot or recess of the screw head because it uses the working principle of the wheel and axle. , The larger the wheel, the more labor-saving. Because of its good overall performance, it has been widely used in various industries. [0003] There are many types of such screwdrivers on the market today, which can basically meet people's needs, but there are still certain shortcomings. The specific problems are as follows. [0004] (1) The existing screwdriver of this type is not convenient for quick disassembly and assembly of the bit, which makes it difficult to replace the screw according to the specifications of the screw, and it is inconvenient to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25B15/02B25B23/00B25B23/16B25F1/00
CPCB25B15/02B25B23/0021B25B23/0035B25B23/16B25F1/00
Inventor 张竹林
Owner 张竹林
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