Multifunctional electricity measuring screwdriver

Abstract

The invention relates to a multifunctional electric measuring screwdriver, which comprises a handle. A cylindrical neon bulb fixing cavity is arranged in the middle of the handle, and an annular support protrusion is arranged at one end of the neon bulb fixing cavity. A connecting sleeve, a supporting sleeve and a fixed sleeve are sequentially arranged in the cavity, wherein one end of the connecting sleeve is in contact with the supporting protrusion, and a plurality of strip-shaped protruding keys are arranged in an annular array on the inner wall of the connecting sleeve; the supporting sleeve is made of insulating material, The fixing sleeve is fixedly connected with the inner wall of the neon bulb fixing cavity through threads, and the inner wall of the fixing sleeve is also connected with a top cover through threads, and an elastic cavity is arranged in the upper middle of the top cover, and the elastic cavity faces the opening of the neon bulb fixing cavity. In the elastic cavity, there is also a spring piece protruding toward the neon bulb fixing cavity, which is fixedly connected with the side wall of the elastic cavity; a number of strip-shaped grooves corresponding to the raised keys are arranged on the cutter head, and the strips The side of the shaped groove corresponding to the end of the cutter head is an open structure, and neon bulbs are installed in the neon bulb fixing cavity.

Description

technical field [0001] The invention relates to a multifunctional electric measuring screwdriver, which belongs to the field of hardware tools. Background technique [0002] As a derivative of a screwdriver, the multifunctional screwdriver is widely used in dismantling complex equipment because of its replaceable head structure. However, the traditional multifunctional screwdriver has a magnetic head or a spring coil For clamping type positive installation, the cutter head is installed on the screwdriver handle through the installation hole in front of the handle, and the cutter head is easy to disengage due to excessive pulling force, so the cutter head is easy to fall into the screwdriver handle. Inside the device, difficult to remove. Contents of the invention [0003] The technical problem to be solved by the present invention is: to overcome the technical problem in the prior art that the bit of the multifunctional screwdriver is easy to fall off, and to provide a mu...

AI Technical Summary

Problems solved by technology

[0002] As a derivative of a screwdriver, the multifunctional screwdriver is widely used in dismantling complex equipment because of its replaceable head structure. However, the traditional multifunctional screwdriver has a magnetic head or a spring coil For clamping type positive installation, the cutter head is installed on the screwdriver handle through the installation hole in front of the handle, and the cutter head is easy to disengage due to excessive pulling force, so the cutter head is easy to fall into the screwdriver handle. inside the device, difficult to remove

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