Snap-Fit Pressing Element for Induction Hob Assembly Simplification
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Solution Overview
Problem
Existing pressing entities for induction hobs have complex structures, making their mounting and assembly difficult within the induction heating unit.
Innovation Solution
A simplified pressing entity with a spring coupling portion and hook-shaped protrusions that engage with the induction heating unit's coils and support plate, providing a snap connection and secure fixing without the need for additional spring-operated pressing pins, allowing for easy assembly and maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If pressing entities use complex structures with multiple components, then the pressing force and stability are improved, but the device complexity and assembly difficulty increase
Solution Approach 1:
The patent combines the spring element, coupling element, and fixing means into an integrated pressing entity. The coupling element merges multiple functions: it couples the spring element via hook-shaped protrusions, provides fixing means with additional hook-shaped protrusions for the induction heating unit, and includes a collar for positional support. This consolidation reduces the number of separate components while maintaining pressing stability.
Solution Approach 2:
The coupling element serves multiple functions simultaneously: it acts as a connector for the spring element, a mounting interface for the induction heating unit, and a positional guide via its collar. The hook-shaped protrusions provide both spring retention and structural coupling. This multi-functionality reduces overall device complexity while maintaining reliability.
2Reliability
If pressing entities use complex structures with multiple components, then the pressing force and stability are improved, but the assembly time and manufacturing cost increase
Solution Approach 1:
The pressing entity is segmented into distinct functional elements (spring element, coupling element with integrated features) that can be manufactured separately using standard processes, then quickly assembled through snap-fit hook connections. This segmentation allows for efficient manufacturing while enabling rapid assembly through simple engagement mechanisms.
Solution Approach 2:
The hook-shaped protrusions are pre-formed on the coupling element during manufacturing, eliminating the need for additional assembly steps to create these critical connection features. The collar is also pre-formed to provide immediate positional guidance during assembly, reducing assembly time and improving productivity.
3Device complexity
If spring fixing means use simple retention methods, then the device complexity is reduced, but the spring element may fall out during assembly or maintenance
Solution Approach 1:
The hook-shaped protrusions feature an asymmetric geometry with a curved hook portion that engages the spring element in one direction but prevents disengagement in the opposite direction. This asymmetric design provides secure retention while maintaining simplicity, allowing easy installation but preventing accidental removal during assembly or maintenance.
Solution Approach 2:
The hook-shaped protrusions utilize curved geometries that conform to the cylindrical shape of the spring element. This curvature allows the hook to embrace and securely hold the spring element through radial engagement, preventing lateral displacement or falling out while maintaining a simple retention mechanism.
4Ease of operation
If fixing means use simple engagement methods, then the assembly process is simplified, but the connection security between coupling element and induction heating unit may be compromised
Solution Approach 1:
The fixing function is extracted as a separate feature (additional hook-shaped protrusions) on the coupling element, distinct from the spring retention hooks. This extracted fixing mechanism specifically targets the induction heating unit interface, providing dedicated connection security while keeping the overall assembly process simple through the same snap-fit engagement principle.
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 solution reduces the number of parts and simplifies the assembly process, preventing the spring element from falling out during assembly or maintenance, while ensuring a secure and reliable connection between the induction heating unit and the hob plate.
Implementation Method 1
the pressing element comprises a spring element
Implementation Method 2
Induction hobs typically comprise at least one induction coil placed below a hob plate in order to heat a piece of cookware
Implementation Method 3
at least one induction coil placed below a hob plate in order to heat a piece of cookware
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
The invention relates to a pressing entity (1) for pressing an induction heating unit (10) against a hob plate, the pressing entity (1) comprising: - a spring element (2); - a coupling element (3), said coupling element (3) being adapted to detachably couple the pressing entity (1) with the induction heating unit (10); wherein the coupling element (3) comprises a spring coupling portion (3.1) adapted to receive the spring element (2), said spring coupling portion (3) being adapted to receive the spring element (2) such that a portion of the spring element (2) protrudes out of the coupling element (3).