Carrying Device Belt Rod Loop Sliding Mechanism
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Solution Overview
Problem
Conventional carrying devices experience belt movement relative to the user due to physiological movements during walking or running, leading to discomfort, breathing restrictions, and instability, and existing solutions are complex, heavy, and impractical.
Innovation Solution
A carrying device with a belt connected by fastening means that allow translation and rotation relative to the backrest, featuring rods and loops for sliding and rotation, ensuring the belt remains stable and securely positioned around the waist without unnecessary weight or complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the belt is fixed rigidly to the backrest, then the belt maintains constant position, but the belt moves relative to the user during physiological movements causing discomfort and breathing restrictions
Solution Approach 1:
The patent applies the dynamics principle by replacing the rigid fixed connection with a dynamic connection system comprising a rod with free intermediate section and a loop that allows sliding. This enables the belt to move relative to the backrest in response to physiological movements, maintaining proper positioning without causing breathing restrictions or discomfort.
2Object-affected harmful factors
If the belt is allowed to move relative to the backrest, then breathing comfort is improved, but the belt becomes unstable and moves excessively during user movements
Solution Approach 1:
The dynamic connection system provides controlled movement through the sliding mechanism between the rod's free intermediate section and the loop. This allows sufficient movement amplitude for breathing comfort while the rod and loop structure inherently limits excessive displacement, maintaining belt stability during user movements.
Solution Approach 2:
The patent changes the connection parameters from rigid fixed to semi-rigid sliding, allowing the belt to adapt its position dynamically. The rod and loop configuration enables parameter adjustment in terms of movement amplitude, providing both comfort and stability.
3Reliability
If complex fastening means are used to prevent belt movement, then belt positioning reliability is improved, but the device weight and complexity increase significantly
Solution Approach 1:
The fastening means is segmented into simple functional components: a rod with free intermediate section and a loop. This segmentation creates a lightweight, simple structure that achieves reliable belt positioning without the complexity of conventional fastening systems.
Solution Approach 2:
The rod and loop configuration provides self-adjusting functionality through the sliding mechanism. The system automatically adapts to user movements and maintains proper belt positioning without requiring complex control mechanisms or additional components.
4Stability of the object's composition
If the belt is tightened significantly to prevent movement, then belt position stability is improved, but user comfort deteriorates due to flesh injury and clothing displacement
Solution Approach 1:
The dynamic sliding connection allows the belt to maintain stability through controlled movement rather than excessive tightening. The rod and loop mechanism provides inherent stability while accommodating physiological movements, eliminating the need for over-tightening that causes flesh injury and clothing displacement.
Data Source
Figure 1
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Figure 4~5
AI summary
The device (1) has a backrest (2) supported against back of a user. A belt (3) is fixed to the backrest by a fixation unit (4), and encircles the waist of the user. The fixation unit authorizes displacement of the belt in translation with respect to the backrest along a longitudinal direction (I-I) between upper and lower positions. The fixation unit comprises rods (4a, 4b) whose ends (40a, 40b) are fixed to the backrest, where the rods extend along the direction. Loops (5a, 5b) are integrated with the belt to slidably receive free intermediate sections (42a, 42b) of the rods, respectively.