Medical Rehabilitation Bed Pull Rod Transmission Mechanism
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Solution Overview
Problem
Traditional medical rehabilitation beds have heavy, laborious, and noisy transmission mechanisms that hinder patient-adjusted height changes, affecting treatment quality and safety.
Innovation Solution
A medical rehabilitation bed with a pull rod system connecting the bed head and tail, featuring a gearbox and gear device for easy adjustment, allowing patients to operate the bed's height changes independently through a motor or handle-driven transmission system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional transmission mechanisms are used for bed height adjustment, then the bed structure is stable, but the mechanism becomes heavy, laborious and noisy
Solution Approach 1:
The transmission mechanism is divided into independent modular units at the bed head and bed tail, each with its own gearbox and transmission system. This segmentation allows for lighter, more manageable components that can operate independently, reducing the overall weight and complexity while maintaining stability.
Solution Approach 2:
The patent replaces traditional heavy mechanical transmission mechanisms with a system that incorporates gearboxes and transmission systems designed for reduced weight and noise. The use of coordinated gear mechanisms and pull rod connections enables height adjustment with minimal mechanical complexity, achieving ease of operation without the burden of heavy components.
2Ease of operation
If traditional transmission mechanisms are used, then the bed structure is simple, but the adjustment becomes laborious and noisy
Solution Approach 1:
The patent replaces traditional noisy mechanical transmission mechanisms with coordinated gearbox systems that reduce noise generation. The gear mechanisms are designed to minimize friction and vibration, resulting in quieter operation while maintaining the simplicity of the overall bed structure.
3Adaptability or versatility
If fixed bed boards and stands are used, then the structure is stable, but the adaptability for different patient positions is limited
Solution Approach 1:
The patent introduces dynamic adjustment capabilities to the previously fixed bed structure. The bed head and bed tail can be independently raised or lowered through coordinated transmission systems, enabling the bed to adapt to different patient positions and rehabilitation requirements while maintaining structural stability through the pull rod connection mechanism.
Solution Approach 2:
The adjustment system is segmented into independent control mechanisms at the bed head and bed tail, allowing different parts of the bed to be adjusted independently. This segmentation provides versatility for various patient positions without requiring a completely complex reconfiguration of the entire bed structure.
4Productivity
If caretakers manually adjust bed height, then the structure remains simple, but the productivity and treatment quality are affected
Solution Approach 1:
The patent enables patients to independently adjust their own bed height through the coordinated transmission systems and gearboxes. The pull rod mechanism and gear engagement allow patients to perform adjustments themselves without requiring caretaker intervention, thereby improving productivity and treatment quality while maintaining relatively simple structural design.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides a compact, energy-efficient, and flexible bed adjustment system that enhances patient safety and convenience, enabling easy operation and reducing caregiver effort.
Implementation Method 1
a pull rod is rod-like with one end mechanically connected to a bed head gearbox which is arranged at the bed head, and the other end mechanically connected to a bed tail gear device which is arranged at the bed tail
Implementation Method 2
transmission systems having the same structure and capable of controlling the bed head and the bed tail to ascend and descend are respectively arranged in the bed head and the bed tail
Implementation Method 3
a pull rod is rod-like with one end mechanically connected to a bed head gearbox which is arranged at the bed head, and the other end mechanically connected to a bed tail gear device which is arranged at the bed tail
Data Source
AI summary
A medical rehabilitation bed is disclosed, relating to the technical field of self-help rehabilitation bed structures in medical instrument products. The medical rehabilitation bed comprises a bed head, a bed tail and a bed board. A pull rod is arranged at the bottom of the bed board; one end of the pull rod is mechanically connected to a bed head gearbox arranged at the bed head, and the other end of the pull rod is mechanically connected to a bed tail gear device arranged at the bed tail. Transmission systems having the same structure and capable of controlling the bed head and the bed tail to ascend and descend are arranged in the bed head and the bed tail, respectively. The transmission systems are mechanically connected to the bed head gearbox and the bed tail gear device, respectively. The medical rehabilitation bed has a compact structure and comprehensive functions.