Cabinet device
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Solution Overview
Problem
The existing hinge structures in box devices, such as refrigerators, cause interference and collision between the door body and the installation environment during rotation due to the door body exceeding the outer sidewall, especially in embedded installations.
Innovation Solution
A hinge assembly with sliding rails and sliding shafts that allow the door body to move along a controlled trajectory, reducing the extent to which it exceeds the outer sidewall by tilting and extending in specific directions relative to the plane of the opening, guided by a reference circle or ellipse.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional hinge structure is used to connect the door body to the box body, then the door body can be opened relative to the box body, but the door body exceeds the outer sidewall of the box device during rotation, causing interference with the installation environment
Solution Approach 1:
The hinge assembly transforms from a simple rotational joint to a dynamic mechanism with sliding rails and sliding shafts that control the door body's movement trajectory. The sliding shafts move along the sliding rails during door opening, dynamically adjusting the door body's position to prevent it from exceeding the outer sidewall while maintaining opening functionality
Solution Approach 2:
The sliding rails and sliding shafts act as intermediary elements between the traditional hinge and the door body. These intermediaries guide and constrain the door body's movement, preventing direct collision with external structures while still allowing the door to open relative to the box body
2Ease of operation
If the door body is designed to open at a large angle for ease of access, then accessibility is improved, but the door body extends further beyond the box device, increasing the risk of interference with the installation environment
Solution Approach 1:
The hinge assembly introduces a sliding dimension in addition to the rotational dimension. The sliding shafts move along the sliding rails in a direction parallel to the opening plane, allowing the door body to achieve a large opening angle while the sliding mechanism compensates for the extended trajectory, preventing the door from exceeding the outer sidewall
3Object-affected harmful factors
If the hinge assembly uses a complex mechanism with sliding rails and sliding shafts to control the door trajectory, then interference with external structures is reduced, but the device complexity increases
Solution Approach 1:
The hinge assembly is segmented into distinct functional components: sliding rails fixed to the box body, sliding shafts attached to the door body, and connecting elements. This segmentation allows each component to perform its specific function independently while working together to control the door trajectory, making the complex mechanism more manageable and maintainable
Data Source
AI summary
A hinge assembly of a box device is provided with a first sliding rail and a second sliding rail; the first sliding rail and the second sliding rail both linearly extend. When a door body blocks an opening, the first sliding rail and the second sliding rail tilt relative to a plane where the opening is located, and the door body moves towards a target side of a box body in a process of opening the door body, relative to the box body from a state in which the door body blocks the opening, and the degree of the door body exceeding an outer sidewall of the box body is reduced.