Washer-Dryer Door Assembly for Accurate Spring Positioning
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Solution Overview
Problem
Existing washer/dryer door mechanisms often suffer from spring damage during assembly, leading to difficulties in opening and closing the door, as the spring is not correctly positioned, resulting in improper function.
Innovation Solution
Incorporating a guide with protrusions and alignment members on the inner and outer doors to ensure correct spring positioning during assembly, utilizing a spiral spring with legs and supports, and arms to guide the spring into place, and an alignment member to prevent incorrect alignment and potential damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the spring is not correctly positioned during assembly, then the assembly process is simple and fast, but the spring gets damaged and the door cannot function properly
Solution Approach 1:
The guide structure acts as an intermediary element between the spring and the door assembly. It provides a controlled path and positioning features that guide the spring into the correct position during assembly, preventing misalignment and damage without requiring high skill from the assembler
Solution Approach 2:
The guide structure is pre-installed on the door before the spring is assembled. This preliminary action creates a prepared pathway and positioning references that ensure the spring will be correctly positioned when installed, preventing damage before it can occur
2Reliability
If a guide structure is added to position the spring correctly, then the spring positioning accuracy improves, but the assembly structure becomes more complex
Solution Approach 1:
The guide structure is merged with the existing door assembly components rather than being a separate add-on. The guide arms and positioning features are integrated into the door's structural elements, providing spring positioning functionality while maintaining a compact and unified assembly
Solution Approach 2:
The guide structure is divided into separate functional elements (guide arms, positioning features, support structures) that can be independently manufactured and then assembled together. This segmentation allows for easier manufacturing and assembly while providing reliable spring positioning
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
Ensures the spring is correctly positioned, preventing damage and allowing the door to open and close smoothly without user skill dependency, ensuring reliable operation.
Implementation Method 1
a spring mounted again on the pin... provides the hook spring to be positioned towards between the inner door and the outer door during assembly
Implementation Method 2
The spring has a spiral that provides dampening and two legs that extend from the ends of the spiral
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
The present invention relates to a washer/dryer (1) comprising a door (3) providing access into the body (2) in order to place the laundry therein, having a ring shaped inner door (5) forming the portion thereof facing inside the body (2), a ring shaped outer door (6) forming the portion thereof facing inside the body (2) and a locking mechanism (4) that provides the door (3) to be secured to the body (2) in the closed position and to be released by being actuated when desired to be opened.