Lightweight multifunctional maintenance wrench

By designing a multi-functional wrench with a retractable handle and detachable clamping and socket components, the difficulties of use in high-altitude, low-pressure, and dusty environments have been solved, enabling labor-saving operation and reducing burden, and adapting to various maintenance needs.

CN224295748UActive Publication Date: 2026-05-29陈彦
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Patent Information

Application Number
CN202521509488.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-17
Publication Date
2026-05-29
Estimated Expiration
2035-07-17

AI Technical Summary

Technical Problem

Existing wrenches are difficult to use in high-altitude, low-pressure, and dusty environments. Operators experience reduced physical strength, carry multiple tools, and have limited operating space, leading to increased operational difficulty and component wear.

Method used

Design a lightweight, multi-functional maintenance wrench, including a telescopic handle, a detachable clamping component, and a socket component. It can be assembled by a pin structure and a pin hole structure to adapt to different operating needs and reduce the carrying and wear of parts.

Benefits of technology

It enables convenient and labor-saving operation, reduces the burden on operators, adapts to various environments, improves user experience and equipment maintenance efficiency, and avoids component jamming and wear.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a kind of lightweight multifunctional maintenance wrench, including clamping piece, sleeve piece and handle, handle has holding piece and telescopic piece, holding piece is equipped with accommodating cavity, telescopic piece is arranged in accommodating cavity, and telescopic piece is movable between contraction state and extension state relative holding piece, telescopic piece is at least partially extended in accommodating cavity when being in extension state;Clamping piece is equipped with first connecting portion, the end of holding piece away from telescopic piece is equipped with second connecting portion, sleeve piece is equipped with first cooperation portion, the end of telescopic piece away from holding piece is equipped with second cooperation portion.The lightweight multifunctional maintenance wrench can satisfy different operation needs according to actual operation environment on the basis of realizing convenient and labor-saving operation, and reduce the carrying burden of operator.
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Citation Information

Patent Citations

  • Multifunctional wrench

    CN108436813A