An electrical installation box base

CN224384874UActive Publication Date: 2026-06-19SHANDONG TIANYUAN INSTALLATION GRP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG TIANYUAN INSTALLATION GRP CO LTD
Filing Date
2025-07-11
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Traditional electrical mounting boxes are fixed with expansion bolts, which can easily lead to weakened fixing force and difficulty in removal after the expansion bolts become damp and damaged, resulting in unstable fixing.

Method used

The electrical installation box base design uses a sliding hole on the outer side of the base body. The combination of control gear and fixed rod allows the fixed rod to be inserted into the wall fixing hole and then connected to the partition limit hole by bolts for a stable installation.

Benefits of technology

It improves the fixing strength and convenience of electrical mounting boxes, avoids the problem of expansion bolts being damaged by moisture, and ensures the stability of installation and easy disassembly.

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  • Figure CN224384874U_ABST
    Figure CN224384874U_ABST
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Abstract

This utility model relates to the field of electrical installation box technology. This application discloses an electrical installation box base, including a base body. The four sides of the base body are provided with through holes. This utility model provides a sliding hole on each of the four sides of the outer side of the base body. When the operator rotates the limiting hole with an Allen wrench, the limiting hole drives the second control gear and the first control gear to rotate simultaneously. This causes the first control gear and the second control gear to drive the first fixing rod and the second fixing rod to move outwards, respectively. This allows the first fixing rod and the second fixing rod to be inserted into the fixing holes pre-drilled in the wall. The first control gear and the second control gear are then fixed by a fixing device. This solves the problem that the expansion bolts used to fix the electrical installation box are prone to weakening of the fixing force and are difficult to remove after being damaged by moisture.
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