Bulletproof hinge for bulletproof cabinet

CN224326149UActive Publication Date: 2026-06-05QINGDAO YUANHE RONGTONG INTELLIGENT TECH CO LTD

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: QINGDAO YUANHE RONGTONG INTELLIGENT TECH CO LTD
Filing Date: 2025-05-21
Publication Date: 2026-06-05

AI Technical Summary

Technical Problem

The existing explosion-proof cabinets for guns and ammunition have a single-function explosion-proof hinge structure, which cannot adjust the opening and closing angle of the cabinet door and lacks the function of fixing it after closing.

Method used

An explosion-proof hinge structure was designed, comprising a pin, an explosion-proof movable plate, an explosion-proof fixed plate, a slide groove, a limiting component, and a motor. The opening and closing angle of the cabinet door is adjusted and fixed by the traction rod and the limiting component. The position of the limiting plate is adjusted by the motor-driven threaded rod to limit the movement of the slider, thus achieving a lock-free fixation.

Benefits of technology

It enables flexible adjustment of the cabinet door opening angle and fixation after closing, improving security and ease of use, and eliminating the need for locks.

✦ Generated by Eureka AI based on patent content.

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Figure CN224326149U_ABST

Patent Text Reader

Abstract

The utility model discloses a kind of bullet explosion-proof cabinet explosion-proof hinges, comprising: pin shaft, rotationally installed on the outer wall of pin shaft on explosion-proof movable plate and explosion-proof fixed plate, further comprising: the sliding slot on the outer wall of one side of explosion-proof fixed plate is opened, the inner wall of sliding slot is equipped with limit component, and the inner wall of sliding slot is slidably connected with sliding block, and the outer wall of one side of sliding block is equipped with first frame. A kind of bullet explosion-proof cabinet explosion-proof hinges of the utility model, cabinet door in the process of opening and closing, drive explosion-proof movable plate to rotate, and then move sliding block in the inner wall of sliding slot by traction rod, the moving distance of sliding block can be limited by limit component, and then the opening angle of cabinet door is limited, the opening angle of cabinet door can be adjusted, after closing cabinet door, sliding block can be positioned by limit component, and then fixed effect is played to cabinet door, without using lock again, cabinet door can be closed and fixed.

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