Multipart Appliance Housing Assembly for Durable Seal Compression
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Solution Overview
Problem
Existing household appliances with side-by-side housing arrangements face issues such as ineffective sealing due to careless assembly, damage of sensitive seals, and difficulty in compressing seals with sufficient force, leading to potential separation of housings over time.
Innovation Solution
The implementation of rigid shoulders on each housing for high-force compression using tools like tongs or screw clamps, combined with channels and locking bars for long-term sealing, and a hinge mechanism that allows for swiveling assembly to prevent seal damage and ensure reliable sealing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the seal is compressed with high force to ensure reliable sealing, then the sealing effect is improved, but the risk of damaging the sensitive seal increases
Solution Approach 1:
The hinge mechanism is used to preliminarily align the housings in a swiveling motion before the final compression of the seal. This preliminary alignment ensures that the housings are properly positioned and prevents misalignment during compression, thereby enabling high-force compression without damaging the seal.
Solution Approach 2:
The hinge acts as an intermediary mechanism between the housings during assembly. It facilitates a controlled swiveling motion that brings the housings together gradually, preventing sudden movements that could damage the seal while still allowing sufficient compression force to be applied.
2Ease of operation
If the housings are shifted into the target position during assembly, then the assembly is completed, but the gap between wall surfaces may become wider toward the rear side making the seal ineffective
Solution Approach 1:
The hinge mechanism performs a preliminary alignment function by guiding the housings into the correct relative position through a swiveling motion. This preliminary action ensures that the wall surfaces remain properly aligned throughout the assembly process, preventing the gap from widening toward the rear side.
3Stability of the object's composition
If fixing bars are attached on the front side to prevent the appliances moving apart, then the housings are secured, but the assembly situation becomes difficult and the seal may be damaged during shifting
Solution Approach 1:
The hinge mechanism performs the preliminary action of aligning and securing the housings in the correct position before the seal is subjected to compression. This preliminary alignment through swiveling motion prevents difficult assembly situations and seal damage that would otherwise occur when trying to attach fixing bars.
Solution Approach 2:
The hinge serves as an intermediary mechanism that facilitates the connection between housings during assembly. It provides a controlled motion path that brings the housings together smoothly, eliminating the need for difficult manual shifting and reducing the risk of seal damage during the assembly process.
4Duration of action of stationary object
If the seal is compressed between the two housings over time, then the sealing effect is maintained, but the force of the seal may push the housings apart until the sealing effect is no longer ensured
Solution Approach 1:
The hinge mechanism acts as a stable intermediary connection that maintains the housings in proper alignment over time. It provides a rigid structural link that counteracts the separating force generated by the compressed seal, preventing the housings from pushing apart and maintaining the sealing effect durably.
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
This solution provides a reliable and lasting sealing effect by allowing high-force compression of seals and preventing housings from slipping apart, thus maintaining an airtight seal and reducing assembly complexity while minimizing damage to seals.
Implementation Method 1
a seal (12) compressed elastically between mutually facing outer surfaces of sidewalls (10, 16) of the housings (2, 4)
Implementation Method 2
a hinge (6, 8) connecting the housings (2, 4) in a swiveling manner is attached to a border of the mutually facing sidewalls (10, 16) of the housings (2, 4)
Data Source
AI summary
A household appliance is provided that includes a first and a second housing which are disposed next to each other such that one sidewall faces another sidewall and which are attached to one another. A seal is elastically compressed between facing outer surfaces of the sidewalls. At least one shoulder that is rigidly connected to the outer surface is provided on each housing. The shoulders of the two housings face away from each other while being flush with one another in a direction that extends essentially perpendicular to the outer surfaces.