Fixing device, method for fixing support rail to surface, assembly and switch cabinet

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AI technical title is built by Patsnap AI team. It summarizes the technical point description of the patent document.
Through the design of the fixing device and the locking device, the rotational linear motion between the support rail and the fixing element solves the installation problem when the support rail is pre-assembled with terminal blocks, realizes quick and easy fixation, and reduces installation costs.

CN114597768BActive Publication Date: 2025-09-12PHOENIX CONTACT GMBH & CO KG

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Patent Information

Application Number: CN202111468606.4
Authority / Receiving Office: CN · China
Patent Type: Patents(China)
Current Assignee / Owner
Priority Date: 2020-12-03
Filing Date: 2021-12-03
Publication Date: 2025-09-12
Estimated Expiration: 2041-12-03

Application Information

Patent Timeline

03 Dec 2020

Priority

03 Dec 2021

Application

CN202111468606.4

12 Sep 2025

Publication

CN114597768B

IPC: H02B1/052; H02B1/30; H02B1/34

CPC: H02B1/052; H02B1/0523; H02B1/30; H02B1/34; H02B1/012; H05K7/18

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Application Domain

Substation/switching arrangement casings Rack/frame construction

Technology Topics

Classical mechanics Support surface

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AI Technical Summary

Technical Problem

In the prior art, it is difficult to automatically install the support rails pre-assembled with terminal blocks in the switch cabinet, resulting in high installation costs and inconvenience.

Method used

A fixing device is used, which includes a fixing element and a locking device. The linear movement between the support rail and the fixing element is achieved through rotational movement, so that the support rail is pushed into the rear engagement part and is tensioned, and the rear engagement part and the locking device are used to achieve gap-free fixation.

Benefits of technology

The supporting rail pre-assembled with the wiring terminals is fast and easy to fix on the surface, which reduces the installation cost and improves the installation efficiency.

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Abstract

The invention relates to a fixing device (100) for fixing a support rail (200) on a surface (400), comprising a fixing element (110) that can be fixed on the surface (400), the fixing element having a support rail support surface (112) for supporting the support rail (200) and a support rail fixing section (115), wherein the support rail fixing section (115) in the fixed state at least partially passes through an opening (212, 213) formed in the support rail (200), and wherein the support rail fixing section ( 115) has a rear engagement portion (116) into which a section (211) of a support rail (200) is pushed in a fixed state, and has a locking device (150), wherein the locking device (150) has a locking element (151) which is constructed so that a linear movement (B) is performed between the fixing element (110) and the support rail (200) by a rotational movement of the locking element (151), thereby pushing the support rail (200) into the rear engagement portion (116) of the support rail fixing section (115) and tensioning it.

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