Switch cabinet box and switch cabinet with same

The design of the linkage locking rod structure solves the problems of locking reliability and operation convenience of the high-voltage switchgear door lock device, realizes efficient locking or unlocking operation, and improves the safety and explosion-proof performance of the switchgear.

CN224555040UActive Publication Date: 2026-07-24EATON ELECTRICAL EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
EATON ELECTRICAL EQUIP CO LTD
Filing Date
2025-08-22
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing high-voltage switchgear door locking devices suffer from low locking reliability, inconvenient operation, and difficulty in achieving explosion-proof performance. In particular, under high-voltage impact, door panel deformation and lock detachment are prone to safety hazards.

Method used

It adopts a linkage locking rod structure, including a rotary lock, a first vertical locking rod, a second vertical locking rod, a first horizontal locking rod, and a second horizontal locking rod. The rotation of the rotary lock enables the insertion or disengagement of the locking pin, thereby locking or unlocking the cabinet and door panel. Only one operation is required, and the structure is simple, reliable, and has good synchronization.

Benefits of technology

It enables efficient locking or unlocking of the switchgear, improves explosion-proof performance, ensures the safe operation of electrical components, and has good versatility and ease of operation.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224555040U_ABST
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Abstract

The utility model relates to electrical technical field, concretely relates to a switch cabinet box and switch cabinet with it. Including box frame, this box frame is installed with first locking part, door board, this door board rotatablely installs to box frame through the hinge, and the door board is installed with second locking part, linkage lock rod, this linkage lock rod installs to door board and includes rotation lock, first vertical lock rod and second vertical lock rod, first connecting piece and second connecting piece, first horizontal lock rod and second horizontal lock rod, in response to rotation lock rotation, first vertical lock rod and second vertical lock rod move up and down, first connecting piece and second connecting piece rotate, first horizontal lock rod and second horizontal lock rod move horizontally, make locking pin insert or come out of first locking part and second locking part, thereby make linkage lock rod lock or unlock box frame and door board. The switch cabinet box simple and reliable structure, the operation efficiency is high, can effectively prevent switch cabinet in the operation process is accidentally opened.
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