Distribution Cabinet Hinge for 190° Door Opening Access
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Solution Overview
Problem
Existing distribution cabinets face challenges in facilitating the installation of electrical elements and require a simple and effective mechanism for opening the door without obstructing the frame or devices inside.
Innovation Solution
A distribution cabinet design featuring a basic body, a door leaf, and a hinge body with an elliptical arch-shaped guide area and a hinge element moving along a translation axis, allowing the door to open up to 190° without touching the cover, thereby simplifying the installation of devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the door is designed to open wide for easy installation of electrical components, then the installation accessibility is improved, but the door may come into contact with the frame or devices inside the cabinet
Solution Approach 1:
The patent introduces a hinge element as an intermediary component between the door leaf and base body. This hinge element includes a pivot axis for rotation and a translation axis that moves along an arcuate guide surface, mediating the door's movement to achieve wide opening while preventing contact with the frame or internal devices.
Solution Approach 2:
The hinge mechanism transforms the door's movement from simple rotation to a compound motion involving both rotation about the pivot axis and translation along the arcuate path. This dimensional change in movement trajectory allows the door to open to angles greater than 90° without contacting the cabinet frame.
2Device complexity
If a simple hinge mechanism is used, then the device complexity is reduced, but the door cannot open wide enough to facilitate installation of electrical components
Solution Approach 1:
The hinge body is segmented into distinct functional elements: a pivot axis for rotation, a translation axis for linear movement, and an arcuate guide surface for constraining the motion path. This segmentation allows each element to perform its specific function while maintaining overall structural simplicity and ease of manufacturing.
3Stability of the object's composition
If the hinge element is securely fixed in the base body, then the structural stability is improved, but the assembly process becomes more complex
Solution Approach 1:
The hinge element incorporates a self-centering mechanism where the translation axis naturally follows the arcuate guide surface during door movement. This self-guiding feature eliminates the need for complex external fixation structures, allowing the hinge element to be securely positioned through its own geometric constraints while simplifying the assembly process.
Data Source
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AI summary
The invention relates to a distribution cabinet with a base body (30), a door leaf (40) and a hinge body (50), wherein the hinge body (50) comprises at least one hinge element (60) which is movably held in the base body (30) along a translation axis (T) and has at least one pivot axis (S) which is connected to the door leaf (40), wherein the door leaf (40) is pivotable about the pivot axis (S).