Hotplate device
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Solution Overview
Problem
Existing hob devices require time-consuming screwing processes and multiple assembly units for installation, leading to increased assembly time and complexity.
Innovation Solution
A hob device with integrated assembly units that combine centering and fastening functions using form-fitting means, such as a spring element and latching elements, allowing for a single, efficient assembly process that reduces the need for multiple operator actions and tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional screw connections and separate assembly units are used for installing the hob, then reliable attachment and centering are achieved, but assembly time and operational complexity increase significantly
Solution Approach 1:
The patent combines the fastening function and centering function into a single integrated assembly unit. The form-fitting connection element simultaneously performs both attachment to the appliance housing and centering of the hob plate, eliminating the need for separate screw connections and centering mechanisms. This merging of functions directly reduces assembly time while maintaining reliable attachment.
Solution Approach 2:
The assembly unit is designed as a multi-functional component that performs multiple tasks: fastening the hob plate to the appliance housing, centering the hob in the recess, and providing a form-fitting connection. This universal design allows a single component to replace multiple traditional assembly elements, reducing both assembly time and complexity while ensuring reliable attachment.
2Ease of operation
If multiple separate assembly units are used for fastening and centering, then functional requirements are met, but the number of assembly steps and operator actions increases
Solution Approach 1:
The patent merges multiple separate assembly units into a single integrated assembly unit that combines fastening and centering functions. This reduces the number of assembly steps and operator actions required, as the single unit performs both attachment and centering in one operation, thereby improving ease of operation while reducing device complexity.
Solution Approach 2:
The assembly unit is designed as a universal component that performs multiple functions simultaneously - fastening the hob plate, centering it in the recess, and providing form-fitting connection. This multi-functionality eliminates the need for multiple separate assembly units, simplifying the assembly process and reducing operational complexity.
3Productivity
If form-fitting connections are used instead of screw connections, then assembly time is reduced, but attachment strength may be compromised
Solution Approach 1:
The form-fitting connection element utilizes curved or inclined surfaces that guide the hob plate into proper alignment and engagement. The geometry of the form-fitting means provides mechanical advantage, distributing loads across the connection interface and ensuring secure attachment while maintaining rapid assembly capability.
Solution Approach 2:
The design optimizes the geometric parameters of the form-fitting connection, including the shape, size, and orientation of the engagement surfaces. By carefully selecting these parameters, the connection achieves both rapid assembly and sufficient attachment strength, eliminating the trade-off between assembly speed and connection reliability.
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 significantly reduces assembly time by eliminating the need for screwing and simplifying the installation process, while ensuring secure and flexible attachment of the hob plate to the appliance housing part, allowing for easy maintenance and replacement.
Implementation Method 1
the assembly unit has at least one centering means, which is in particular designed as a spring element which, in the assembled state, is preferably supported on one of the edges of the worktop delimiting the recess
Implementation Method 2
the assembly unit has at least one fastening element with a form-fitting means for forming a form-fitting connection with a hob plate unit of the hob, in particular for fastening the hob plate unit to an appliance housing part of the hob
Data Source
Figure 1
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AI summary
The invention relates to a cooktop device (10) with at least one mounting unit (12) for centering a cooktop (14) in a recess of a worktop (16). To simplify assembly, it is proposed that the mounting unit (12) has at least one fastening element (18) with a positive locking means (20) for forming a positive locking connection with a cooktop plate unit (22) of the cooktop (14).