Screwdriver of quick release structure

A technology of screwdriver and cutter head, applied in the field of screwdrivers with quick release structure, can solve the problems of the cutter head being detached, difficult to take out, and the cutter head is easy to fall into the interior of the equipment, etc., and achieves the effects of increasing life, ensuring strength and improving safety.

Inactive Publication Date: 2018-01-05
JIANGYIN TONGQI HARDWARE ELECTRICAL APPLIANCE FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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

Method used

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  • Screwdriver of quick release structure

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Embodiment Construction

[0017] The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

[0018] like figure 1 As shown, the present invention is a screwdriver with a quick release structure, including a handle, a cylindrical fixing cavity is provided in the middle of the handle, and an annular support protrusion is provided at one end of the fixing cavity , a connecting sleeve, a supporting sleeve and a fixing sleeve are sequentially arranged in the fixing cavity, wherein one end of the connecting sleeve is in contact with the supporting protrusion, and the fixing sleeve is fixedly connected with the inner wall of the fixing cavity through threads, and the inner wall of the connecting sleeve is passed through A compression sleeve is threaded, and...

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Abstract

The invention relates to a screwdriver with a quick-release structure, which includes a handle. A cylindrical fixing cavity is arranged in the middle of the handle, and an annular support protrusion is arranged at one end of the fixing cavity. Connecting sleeve, supporting sleeve and fixed sleeve, wherein one end of the connecting sleeve is in contact with the supporting protrusion, the fixed sleeve is fixedly connected with the inner wall of the fixed cavity through threads, and the inner wall of the connecting sleeve is connected with a compression sleeve through threads, and the compression sleeve is set There is a cutter head fixing hole, and an equal-diameter support section and a gradually expanding expansion fixing section are arranged in the cutter head fixing hole. The conical expansion section corresponding to the mouth; on the inner wall of the fixed sleeve, there is also a top cover connected by threads, and a top block is integrally connected to the top cover, and a cutter head corresponding to the end of the cutter head is coaxially arranged in the middle of the top block. Press the hole.

Description

technical field [0001] The invention relates to a screwdriver with a quick-release structure, 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 that the bit of the multifunctional screwdriver is easy to fall off in the prior art, and to provide a screwd...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25B23/00B25B15/02
Inventor 冯丽娜
Owner JIANGYIN TONGQI HARDWARE ELECTRICAL APPLIANCE FACTORY
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