Pre-installed locks for doors with low-pressure enclosures

By designing a pre-installed lock assembly, the lock assembly is fixed to the medium and low voltage electrical enclosure door using a snap-fit ​​device, which solves the problems of complex installation and difficult transportation in the existing technology, and realizes fast and economical installation and transportation of the lock assembly.

CN116641604BActive Publication Date: 2026-03-31ABB SPA
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-02-22
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

The existing lock components for medium and low voltage electrical enclosures are complex and time-consuming to install, increase the thickness of the door, limit transportation possibilities, and are costly.

Method used

The lock assembly is pre-installed, including the chamber profile, mechanism and fixing device. The lock assembly is fixed to the door using a snap-fit ​​device, which simplifies the installation process and completes the installation off the production line.

Benefits of technology

This enables quick and easy installation of the lock components, reduces transportation obstacles, lowers manufacturing costs, and ensures the reliability and stability of the lock components.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to a pre-installed lock for a door of a low-pressure enclosure. According to the invention, the pre-installed lock assembly comprises a housing profile which develops along a main direction defining a seat. A mechanism is arranged in said seat. More precisely, said mechanism comprises at least one lever and at least one guide element for said lever. Said guide element is rigidly connected to said profile. The pre-installed lock assembly further comprises a fixing device for fixing said at least one guide element to said door after said at least one guide element is connected to said profile, wherein said fixing device is arranged on said profile and / or on said at least one guide element.
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Citation Information

Patent Citations

  • Door locking means for an electrical switchboard cabinet

    CN105723582A

  • Sliding bars closure mechanism for locks and a lock provided with such mechanism

    EP1936081A2