Hinged Access Door with Connecting Rod for Industrial Enclosure
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Solution Overview
Problem
Industrial equipment enclosures often require both internal and external access to control screens for maintenance and operation, which is expensive and inconvenient, especially when partial access doors are used, as existing solutions like rotating screens are not practical.
Innovation Solution
A hinged access door with a connecting rod system that allows the door to pivot and slide, enabling the external face to become functionally internal when open, ensuring the screen remains accessible whether the enclosure is closed or open, with a mechanism that includes a groove for pivot movement and articulated arms for stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a rotating screen is used to provide external access to control interfaces, then operator convenience is improved, but device complexity and cost increase
Solution Approach 1:
The patent merges the control screen with the access door itself, making the door serve dual functions: providing physical access to the enclosure and displaying control information. This eliminates the need for separate rotating screens or multiple display units, reducing complexity while maintaining operator convenience.
Solution Approach 2:
The access door is designed to perform multiple functions simultaneously: it acts as a physical barrier for security, a mounting surface for the control screen, and a structural element of the enclosure. This multi-functionality eliminates the need for additional components like rotating screens, thereby reducing device complexity and cost.
2Ease of operation
If separate screens are provided inside and outside the enclosure for control interfaces, then operator convenience is improved, but cost increases
Solution Approach 1:
The patent combines the control interface function into a single screen mounted on the access door, eliminating the need for separate internal and external screens. This merging reduces the quantity of components required, thereby reducing cost while maintaining the ability to access controls from outside the enclosure.
Solution Approach 2:
The single screen on the access door serves as both the external control interface and replaces the need for an internal screen, providing universal access to control functions. This reduces the total number of screens from two to one, directly reducing cost while maintaining operator convenience.
3Ease of operation
If a hinged door with connecting rod mechanism is used, then ease of door operation is improved, but device complexity increases
Solution Approach 1:
The patent employs a dynamic connecting rod mechanism that enables the door to move through a controlled arc, transitioning smoothly between closed and open positions. This dynamic mechanism provides ergonomic operation while maintaining reasonable structural complexity through the use of standard mechanical linkage components.
Solution Approach 2:
The door mechanism is segmented into distinct functional components: the hinged connection to the enclosure, the connecting rod linkage, and the pivot points. This segmentation allows each component to be optimized independently and facilitates easier manufacturing and maintenance, reducing overall complexity despite the sophisticated motion control.
Data Source
AI summary
The invention relates to an enclosure (1), including a door (2) for accessing a space for receiving an industrial apparatus, in which the door is hinged to a door frame (11) supported by the enclosure by at least one connecting rod (23), the ends of which are hingedly respectively connected to the door frame (11) and to the rear surface (24) of the door, approximately at the middle of the length thereof.