Hinge for a switchgear cabinet housing and corresponding switchgear cabinet housing and mounting method
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Solution Overview
Problem
Existing hinges for switchgear cabinet housings are cumbersome to mount due to the need for precise alignment and hammering of the hinge pin into friction seats, making the installation process difficult and time-consuming.
Innovation Solution
A hinge pin is releasably locked using a spring clip in both release and locking positions, allowing it to be inserted into one hinge half before assembly and manually adjusted between positions, eliminating the need for hammering and friction seats, with dual locking for security.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the hinge pin is inserted into friction seats and hammered in during assembly, then the hinge halves are securely connected, but the mounting process becomes cumbersome and time-consuming
Solution Approach 1:
The hinge pin is pre-assembled with the hinge half that will remain stationary on the switchgear cabinet body. This preliminary assembly allows the hinge pin to be properly positioned and secured before the actual mounting operation, eliminating the need for hammering during final assembly and simplifying the mounting process while ensuring reliable connection.
2Manufacturing precision
If precise alignment of hinge pin sleeves is required during assembly, then the hinge halves can be properly connected, but the alignment and holding process becomes difficult and time-consuming
Solution Approach 1:
The hinge pin and one hinge half are pre-assembled as a unit before mounting. This preliminary action ensures that the hinge pin is already correctly positioned relative to its hinge half, eliminating the need for precise alignment of multiple components during final assembly and significantly reducing alignment time and difficulty.
3Reliability
If the hinge pin is hammered into friction seats, then the hinge provides secure locking, but the pin cannot be easily adjusted or removed
Solution Approach 1:
The hinge connection is segmented into two distinct states: a mounted state where the hinge pin is secured in the hinge sleeve to provide reliable connection, and a removable state where the hinge pin can be easily extracted for adjustment or repair. This segmentation allows the hinge to provide secure locking during operation while enabling easy maintenance when needed.
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
Facilitates easy and tool-free mounting of door elements on switchgear cabinet bodies by allowing the hinge pin to be inserted and locked without alignment issues, ensuring secure pivoting and reducing installation complexity.
Implementation Method 1
the hinge pin is releasably locked by means of at least one spring clip both in the release position and also in the locking position
Data Source
AI summary
The invention relates to a hinge for a switchgear cabinet housing, comprising a first and a second hinge half, which can be connected to each other by means of a hinge pin and which can be pivoted relative to each other about a longitudinal axis of the hinge pin, the hinge pin extending only into the first or the second hinge half in a release position and extending into both the first and the second hinge halves in a locking position, wherein the hinge pin is releasably locked by means of at least one spring clip both in the release position and in the locking position. The invention further relates to a corresponding switchgear cabinet housing and to a corresponding method for mounting a door element on a switchgear cabinet body.