Modular Wall Bed Frame Assembly for Single-Operator Installation
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Solution Overview
Problem
Existing wall bed systems are cumbersome and difficult for a single operator to install due to large and awkward modular sections, particularly in positioning the door frame that supports the mattress.
Innovation Solution
A wall bed system comprising a wall frame assembly and a door frame assembly with modular frames that include rigid frame members and finishing panels, allowing for easier assembly and concealment of panel edges, along with a hinge assembly that assists in pivoting the door frame between storage and sleeping positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the wall bed system uses large modular sections for the wall frame and door frame, then the structural integrity and stability are improved, but the ease of installation by a single operator deteriorates
Solution Approach 1:
The wall frame assembly is divided into multiple smaller frame members (header frame member, side frames, top frame, bottom frame member) that can be individually handled and assembled. The door frame assembly is similarly segmented into manageable sections that can be positioned by a single operator. This segmentation maintains structural integrity while improving installability.
2Strength
If the door frame assembly is made as a single large unit to ensure stability, then the structural strength is improved, but the difficulty of positioning by a single operator increases
Solution Approach 1:
The door frame assembly is divided into smaller frame members that can be individually positioned and assembled. Each segment is lightweight enough for a single operator to handle while collectively providing the required structural strength when assembled together with the wall frame assembly.
3Manufacturing precision
If the finishing panels are permanently fixed to the modular frames, then the manufacturing precision is improved, but the ease of repair and adjustment deteriorates
Solution Approach 1:
The finishing panels are designed with dynamic mounting characteristics - they can be easily inserted and removed from the modular frames while maintaining precise alignment during use. The recessed mounting structure allows for simple attachment and detachment without specialized tools, enabling both precise manufacturing and easy repair.
Data Source
AI summary
A wall bed system has a wall frame secured to a wall and a door frame supporting a mattress to pivot on the wall frame between an enclosed vertical storage position and a horizontal working position for sleeping. The wall frame has a header frame member fastened to the wall, two side frames mounted on opposing ends of the header frame member, and a top frame mounted between the tops of the side frames. One or more of the top frame, the side frames, and the door frame is a modular frame formed of metal frame members surrounding one or more frame openings and one or more finishing panels of finishing material releasably mounted within the one or more frame openings. Perimeter edges of the finishing panels are concealed by the metal frame members to enable a finished appearance even when the panels are cut from various sheet materials.