Height-adjustable bed
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Solution Overview
Problem
Existing bed height adjustment mechanisms are costly and require additional components, increasing material and production costs, while also lacking effective height and depth limitations, particularly for child beds where safety is a concern.
Innovation Solution
The bed's frame struts are designed with thickening sections that serve as stop surfaces for height and depth limitations, allowing for simple and safe height adjustment without additional parts, using a clamping device that can be detachably connected to the frame to set the support surface height between these limits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If additional components (guide, stationary catch, limiting struts with grooves) are added for height adjustment, then height adjustment functionality is achieved, but material cost and device complexity increase
Solution Approach 1:
The struts serve dual functions: they provide structural support for the bed frame and simultaneously act as height adjustment limiting elements through their thickening sections. This eliminates the need for separate guide components and stationary catches, reducing device complexity while maintaining height adjustment functionality.
Solution Approach 2:
The height adjustment limiting function is merged into the existing strut structure by adding thickening sections. Instead of being separate components, the limiting struts are integrated into the frame parts, reducing the number of parts and material costs while achieving the same functional effect.
2Adaptability or versatility
If additional components (guide, stationary catch, limiting struts with grooves) are added for height adjustment, then height adjustment functionality is achieved, but material cost increases
Solution Approach 1:
The height adjustment limiting function is merged into the existing strut structure by adding thickening sections. Instead of being separate components, the limiting struts are integrated into the frame parts, reducing the number of parts and material costs while achieving the same functional effect.
Solution Approach 2:
The struts serve dual functions: they provide structural support for the bed frame and simultaneously act as height adjustment limiting elements through their thickening sections. This eliminates the need for separate guide components and stationary catches, reducing device complexity while maintaining height adjustment functionality.
3Ease of operation
If no depth limitation is provided for the front frame part, then ease of operation is improved, but safety is compromised due to risk of child falling when front frame part is fully lowered
Solution Approach 1:
The thickening section on the front frame part preemptively prevents the frame from being lowered beyond a safe position. The stop surface created by the thickening acts as a mechanical barrier that stops the lowering action before it can create a dangerous situation, thus preventing harm before it can occur.
4Reliability
If limiting struts with large transverse extent are added to create stop surfaces, then safety and height limitation are improved, but device complexity and material cost increase
Solution Approach 1:
The height limitation function is merged into the existing strut structure by adding thickening sections. Instead of being separate components, the limiting struts are integrated into the frame parts, reducing the number of parts and material costs while achieving the same functional effect.
Solution Approach 2:
The struts serve dual functions: they provide structural support for the bed frame and simultaneously act as height adjustment limiting elements through their thickening sections. This eliminates the need for separate guide components and stationary catches, reducing device complexity while maintaining height adjustment functionality.
Data Source
Figure 1
Figure 2~3
Figure 4~5
AI summary
The invention relates to a bed, in particular a children's bed (1, 1') with a support surface (8) and with a frame consisting of a plurality of frame parts (2, 3, 3') surrounding the support surface (8), and with means for height adjustment (20, 21, 29), wherein the frame is designed as a grid frame, wherein the frame parts (2, 3, 3') each have a plurality of struts (4) running parallel to and at a distance from each other between an upper connecting rod (7) and a lower connecting rod (7), wherein at least one frame part (2, 3, 3') has at least one limiting strut (4', 4'', 4''') which has a thickening (20, 21, 29) in certain areas to form a stop, so that the frame part (2, 3, 3') having the limiting strut (4', 4'', 4''') is in contact with the support surface (8) in its The relative displacement is limited.