Movable Support Member for Wall-Mounted Installation Box
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Solution Overview
Problem
Existing installation boxes require inconvenient installation procedures, where the box must be inserted from the front side of a hollow wall, intertwining with wall building and electrical/optical installation work, making planning and execution inefficient.
Innovation Solution
An installation box with a movable support member that can be configured to allow insertion from either the front or back side of the wall, featuring a coupling portion that adjusts its position to accommodate passage through a hole and secure the box once in place, using hingable pins for flexible attachment to the side wall.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the installation box uses a fixed support flange extending radially from the side wall, then the box can be securely fastened to the wall plate, but the box can only be inserted from the front side, intertwining installation work with wall building work
Solution Approach 1:
The support flange is made movable relative to the side wall through a hinge connection, allowing it to transition from a retracted position (during insertion) to an extended position (for securing). This dynamic configuration enables the box to be inserted from either front or back side while maintaining secure fixation capability.
2Shape
If the support flange extends beyond the side wall circumference, then the box opening lies flush with the wall plate front side, but the flange cannot pass through the hole during insertion
Solution Approach 1:
The support flange is designed to be movable relative to the side wall, allowing it to be retracted during insertion and extended after insertion. This enables the flange to not interfere with passage through the hole while still achieving flush alignment of the box opening with the wall plate front side when extended.
Solution Approach 2:
The support flange is positioned in a retracted state before insertion, allowing the box to pass through the hole. After insertion, the flange is extended to achieve the desired alignment and securing function, performing the alignment action after the critical passage step.
3Reliability
If the installation box is inserted from the front side with the box opening leading, then the support flange can rest on the wall plate front side, but tubing installation can only be done after box installation or by temporarily removing the box
Solution Approach 1:
The invention allows insertion from the back side of the wall plate with the box opening leading, reversing the conventional insertion direction. This enables tubing to be installed through the hole before the box is fully secured, eliminating the need to wait for box installation or temporarily remove the box.
Data Source
Figure 1~5
AI summary
An installation box comprises a side wall having an edge defining a box opening, and a support member for supporting the installation box on a front side of a wall at the edge of the box opening. The support member comprises a coupling portion coupling the support member to the side wall of the installation box, and a support portion connected to the coupling portion. The coupling member is configured to allow the support member to have a first position relative to the installation box in which the support portion is within an outer circumference of the edge of the side wall, and a second position in which the support portion extends beyond the outer circumference of the edge of the side wall. The support member is hingably coupled to the side wall at an interior side thereof.