Laundry device for drying laundry
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Solution Overview
Problem
Conventional drying racks have limited hanging capacity for larger items like bed sheets and are cumbersome to set up and fold, with side rails only suitable for smaller items and requiring multiple movements for assembly.
Innovation Solution
A drying rack design featuring pivotable lever elements and joints allows for easy assembly and disassembly, providing a large hanging surface area by folding out or folding into a compact storage position, with two foldable wings that can match the main grid's hanging capacity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of moving object
If conventional drying racks use side rails for hanging laundry, then the structure remains compact, but the hanging surface area is limited and only suitable for small items
Solution Approach 1:
The patent applies the dynamics principle by making the side rails transformable between a compact configuration and an extended hanging configuration. The side rails can be pivoted outward from the vertical position to create large hanging surfaces, allowing the structure to dynamically adapt between storage and operational states. This resolves the contradiction by providing large hanging area when needed while maintaining compactness when not in use.
Solution Approach 2:
The side rails are divided into multiple segments that can be independently positioned and adjusted. This segmentation allows the rails to be folded into compact positions for storage while enabling extended positions for large hanging surfaces. The modular segmented structure resolves the contradiction between compactness and large hanging area by allowing selective deployment of hanging surfaces.
2Ease of operation
If conventional drying racks are set up using multiple movements and steps, then stability is achieved, but the assembly process becomes cumbersome and time-consuming
Solution Approach 1:
The side rails are pre-configured with pivot joints and connection mechanisms that enable automatic alignment and locking when deployed. The preliminary design of these mechanical features allows the structure to self-assemble with minimal user intervention, reducing both the number of manual movements required and the overall assembly time while maintaining stability.
Solution Approach 2:
The dynamic transformation mechanism allows the drying rack to transition smoothly from a compact stored state to an assembled operational state through a single pivoting motion rather than multiple discrete assembly steps. This dynamic single-motion deployment significantly reduces assembly time and simplifies the assembly process while ensuring stable configuration through mechanical locking at the deployed position.
3Area of moving object
If the drying rack wing is made large for hanging bed sheets, then hanging capacity improves, but the storage space required increases
Solution Approach 1:
The side rails are designed as dynamic elements that can pivot between a compact vertical position for storage and an extended horizontal position for hanging large items like bed sheets. When not in use, the rails fold back against the main structure, minimizing storage volume. When deployed, they provide large hanging surfaces, thus resolving the contradiction between hanging capacity and storage volume requirements.
Solution Approach 2:
The side rails are nested within the overall drying rack structure when in the storage position, with the rails folding back against the main vertical supports. This nesting arrangement allows the large hanging surfaces to be contained within a compact footprint when not in use, effectively reducing the storage volume required while maintaining the capability to provide large hanging areas when deployed.
Data Source
Figure 1~2
Figure 3~4
AI summary
The invention relates to a clothes drying rack (1) comprising a base frame (2) with two legs (4). A clothes drying rack wing (3) is further provided, which is pivotably coupled to one of the legs (4) by means of a first joint (13). A first lever element (14) is further provided, which is pivotably coupled to the leg (4) by means of a second joint (15). A second lever element (16) is further provided, which is pivotably coupled to the clothes drying rack wing (3) by means of a third joint (17), wherein the first lever element (14) and the second lever element (16) are pivotably coupled to each other by means of a fourth joint (18).This allows the clothesline wing (3) to pivot between a storage position, in which the clothesline wing (3) is essentially parallel to the support leg (4) and the two lever elements (14, 16) are pivoted towards the foot section (7), and a hanging position, in which the clothesline wing (3) is unfolded for hanging laundry and the two lever elements (14, 16) are pivoted towards the end section (8) of the support leg (4).