Electric Bed Sliding Guide Rail Segmentation
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Solution Overview
Problem
Conventional electric beds face issues such as increased abdominal pressure during back lifting, difficulty accessing bedside items, and structural weakness in sliding designs, particularly for pregnant women and obese individuals, as well as increased weight when reinforcing guide rails for strength.
Innovation Solution
An electric bed design featuring a base frame with parallel guide rails and a sliding unit that includes a frame with slide portions and rollers, allowing the bed frame to move towards the head of the bed while maintaining structural strength and minimizing weight increase, using a combination of vertical, top, bottom, and stopping walls to prevent deformation and enhance stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the bed frame uses a sliding design to move towards the head of the bed during back lifting, then user accessibility and comfort are improved, but the structural strength of the guide rails deteriorates
Solution Approach 1:
The guide rail is divided into multiple segments: vertical wall, top wall, bottom wall, and stopping wall. Each segment performs a specific function - the vertical wall provides guidance, the top and bottom walls provide lateral support, and the stopping wall prevents excessive movement. This segmentation allows the guide rail to maintain structural integrity while enabling the sliding function.
Solution Approach 2:
The guide rail employs a composite structural design combining multiple material properties within a single component. The L-shaped cross-section combines vertical support elements with horizontal reinforcing elements, creating a composite structure that provides both guidance and lateral strength without requiring additional reinforcement materials.
2Strength
If the guide rails are reinforced with stronger materials to increase structural strength, then guide rail durability is improved, but the entire bed frame weight increases
Solution Approach 1:
Instead of using uniformly thick or heavier materials throughout the guide rail, the design segments the structural support into specific locations - vertical walls for guidance and stopping walls for position control. This localized structural segmentation provides necessary strength at critical points without unnecessary weight throughout the entire component.
Solution Approach 2:
The guide rail employs local quality enhancement by concentrating material and structural support where needed. The L-shaped cross-section provides enhanced lateral support at specific locations along the guide rail, while other portions maintain lighter construction. This localized reinforcement approach achieves durability where required without proportionally increasing overall weight.
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 design ensures a sturdy and durable structure that prevents guide rail deformation, reduces caregiver burden, and allows easier access to bedside items with minimal weight increase, enhancing user convenience and portability.
Implementation Method 1
The sliding unit comprises a frame located above the two guide rails, and two slide portions disposed on a bottom side of the frame. The two slide portions are respectively and slidably disposed to the two guide rails
Data Source
AI summary
An electric bed includes a base frame and a sliding unit. The base frame is provided with two parallel guide rails. Each of the two guide rails has a vertical wall, top and bottom walls extending respectively from top and bottom edges of the vertical wall, and a stopping wall extending upwardly from the bottom wall. The sliding unit includes a frame located above the two guide rails, and two slide portions disposed on a bottom side of the frame, and respectively and slidably disposed to the two guide rails in a way that the sliding unit is reciprocatingly slidable related to the base frame. As a result, a bed frame of the electric bed can slide towards the head of the electric bed when raising a user's back. The electric bed provides a sturdy and durable structure with a slight increase in weight.