Modular Mobile Toilet Structure for Fast Stable Assembly
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Solution Overview
Problem
Current mobile toilet structures face challenges with slow assembly and disassembly, inadequate structural stability, and limited connection strength due to the use of sleeve tubes and pin slots, making them inconvenient for rapid installation, handling, and relocation.
Innovation Solution
The improved mobile toilet structure incorporates a base with threaded holes, side bars with threaded ends, sleeve tubes with wing-like structures for enhanced connection, and panels with recessed areas and arc-shaped contacting surfaces, allowing for rapid assembly, increased stability, and stronger connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If latch bolts and angle irons are used for assembly, then structural connection is achieved, but installation and disassembly become slow and inconvenient
Solution Approach 1:
The mobile toilet is divided into modular components (base, panels, lid, side bars, sleeve tubes) that can be independently assembled and disassembled. Each panel can be separately attached to side bars using sleeve tubes, allowing rapid assembly without complex fastening operations.
Solution Approach 2:
Instead of using traditional latch bolts that require threading and tightening operations, the invention inverts the connection approach by using sleeve tubes that slide over side bars and engage with panels through geometric interlocking, eliminating the need for rotational fastening operations.
2Ease of manufacture
If all panels have smooth surfaces, then manufacturing is simplified, but handling and relocation become inconvenient
Solution Approach 1:
While maintaining smooth surfaces for most of the panel area, localized textured regions are added at specific positions (front and rear portions of panels) to provide grip surfaces. This allows the panels to remain mostly smooth for manufacturing simplicity while having localized areas optimized for handling.
3Device complexity
If sleeve tubes and pin slots are used for connection, then assembly is simplified, but structural stability and connection strength become insufficient
Solution Approach 1:
The connection system combines multiple elements (side bars, sleeve tubes, panels with contacting areas) into a composite structural system. The side bars provide rigid support, sleeve tubes provide sliding and positioning functions, and the arc-shaped contacting areas provide friction-based stabilization, creating a composite connection mechanism that achieves both simplicity and stability.
Solution Approach 2:
The contacting areas on panels are designed with arc-shaped curved surfaces that contact the outer surfaces of side bars. This curvature allows for self-aligning connection and provides friction-based stabilization, improving structural stability while maintaining assembly simplicity.
Data Source
AI summary
An improved mobile toilet structure may include a base, four side bars, four sleeve tubes, four panels and a lid. The base has four threaded holes at four corners of the upper side of the base, and a vertical exhaust pipe at one side of the rear portion of the base. The side bar has a first threaded portion on its upper end and a second threaded portion on its lower end. The sleeve tube has an opening on one side and the two margins of the opening extend outwards and form two wing-like structures. Among the four panels, the front one has a board installed in the panel that can be opened and closed, whereas all others may have transom windows opened at their upper portions. The lid is integrally molded, with its size and shape determined by the base.