Switch Cabinet Locking Arrangement with Adapter Plate
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Solution Overview
Problem
Existing locking arrangements for switch cabinets require a flat support surface for the actuating member, limiting design options and IP protection, particularly in IT enclosures.
Innovation Solution
A handle adapter with adapter plates that provide a flexible coupling mechanism, allowing the actuating member to be fixed to the switch cabinet door independently of its geometry, using a form-fitting adapter plate with fastening elements and a plug-in receptacle for secure mounting and easy removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a flat support surface is provided at the front of the switch cabinet door for secure fixing of the actuating member, then the actuating member can be effectively sealed to achieve desired IP protection, but the design options with respect to the enclosure door geometry are limited
Solution Approach 1:
The adapter plate serves as an intermediary element between the door surface and the actuating member. It provides the necessary flat support surface for sealing and secure fixing, while allowing the door itself to have any desired geometry. The adapter plate absorbs the conflict by mediating between the geometric freedom of the door and the sealing requirements of the actuating member.
Solution Approach 2:
The locking arrangement is segmented into distinct functional components: the door (with any geometry), the adapter plate (providing flat support), and the actuating member (requiring sealing). This segmentation allows each component to be optimized independently - the door for geometric freedom, the adapter plate for sealing, and the actuating member for IP protection.
2Adaptability or versatility
If the handle adapter is designed to accommodate the contour of the switch cabinet door, then design freedom is maximized, but the flat support surface for mounting the actuator is compromised
Solution Approach 1:
The system is divided into two functional parts: the handle adapter that conforms to the door contour for geometric adaptability, and the adapter plate that provides the flat mounting surface. This segmentation allows each part to fulfill its specific function without compromising the other.
Solution Approach 2:
The adapter plate acts as an intermediary between the contour-following handle adapter and the actuating member requiring a flat surface. It translates the curved surface of the handle adapter into a flat mounting surface, resolving the conflict between geometric adaptability and manufacturing ease.
Data Source
AI summary
The invention relates to a locking arrangement for a switch cabinet, having a switch cabinet door which has on its inside a push-rod lock which projects through the switch cabinet door to the front side of the switch cabinet door via a coupling piece, wherein an actuating member is fixed to the front side via a handle adapter and is coupled to the coupling piece, for which purpose the switch cabinet door has at least one adapter plate, onto which the handle adapter is placed in a form-fitting manner via at least one aperture, the adapter plate having, on its side facing the actuating member, a fastening element, by means of which the actuating member is fixed to the adapter plate.