Anti-loose self-locking type screwdriver device

CN224527125UActive Publication Date: 2026-07-21成都西菱动力科技股份有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
成都西菱动力科技股份有限公司
Filing Date
2025-08-21
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

When existing combination tools are used in confined spaces, the rotating body is prone to slipping out of the torque handle, making subsequent removal difficult and affecting work efficiency.

Method used

A self-locking anti-loosening screwdriver device was designed, which adopts an anti-slip self-locking structure. The dynamic engagement state between the screwdriver body and the torque handle is controlled by an elastic mechanism. It enters a fixed state during screwing operations and enters a dynamic engagement state when the screwdriver body is replaced. The locking rod and the elastic mechanism are used to achieve a stable connection of the screwdriver body.

Benefits of technology

This solves the problem of slippage in the screwdriver body, improves the efficiency of screwdriver body replacement and the stability of operation, and ensures the smooth progress of screwing operations.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of anti-loosening self-locking type screwdriver devices, belong to assembly tool technical field, the present application is provided with antiskid self-locking structure, when replacing screwdriver, operating personnel can make stop lock rod disengage from stop lock cone hole by compressing elastic mechanism to unload original screwdriver and insert new screwdriver, when replacing is finished, operating personnel can remove the compression of elastic mechanism, elastic mechanism rebounds and drives stop lock rod to insert the stop lock cone hole of new screwdriver, this structure can make operating personnel can control the top end of screwdriver and the dynamic cooperation state of torque handle, into fixed state when screwing operation, and into dynamic cooperation state when replacing screwdriver, solve the problem that screwdriver can slip from torque handle in screwing operation, and also improve the replacement efficiency of screwdriver.
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