Bottom box of switch or socket

Abstract

The invention discloses a bottom box of a switch or a socket. The bottom box of the switch or the socket comprises a box body and a stretching sleeve, wherein an opening is formed in one side of the box body, the box body is provided with a bottom surface and four lateral sides, wiring holes are formed in the lateral sides of the box body, the stretching sleeve is provided with four lateral sides and is fixed in the box body, the four lateral sides of the stretching sleeve are close to the inner sides of the four lateral sides of the box body respectively, wiring ports are formed in positions, corresponding to the wiring holes in the lateral sides of the box body, of the lateral sides of the stretching sleeve, a stretchable fixing structure is arranged between the stretching sleeve and the box body, connecting blocks are arranged on the inner sides of two opposite lateral sides of the stretching sleeve, and connecting screw holes are formed in the connecting blocks. According to the bottom box of the switch or the socket, due to the fact that the stretching sleeve is arranged and the stretchable fixing structure is arranged between the stretching sleeve and the box body, the height of the box body can be adjusted freely to meet requirements of variable heights of indoor decoration wall covering materials, the switch or a socket panel can be fixed firmly, the surface layer is attractive, and requirements of fire protection rules are met.

Description

technical field [0001] The invention relates to an electrical installation device, more specifically a bottom box installed in a wall, under a switch or socket panel, and belongs to the field of building electrical technology. Background technique [0002] The bottom box of the switch or socket includes a box body with an opening on one side, a threading hole on the side of the box body, connecting blocks are provided on both sides of the opening of the box body, and connecting screw holes are provided on the connecting block. When decorating the interior, generally the bottom box of the switch or socket is pre-embedded in the interior wall. After the decoration is basically completed, when installing lamps and appliances, install the switch or socket board at the bottom box of the switch or socket . In some relatively complex interior decoration, especially in the decoration of high-end decoration interior walls such as high-star hotels and high-end residences, materials o...

AI Technical Summary

Problems solved by technology

Since the extension box can only use a fixed length specification, it still cannot meet the requirements of different heights of interior decoration materials, and often the extension part cannot be in place, which will not only affect the appearance of the decorative wall, but also do not meet the requirements of fire protection regulations, and there is a fire hazard

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