Quick-Release Cover Support for Rotation Beyond 90 Degrees

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Solution Overview

Problem

The process of lifting and closing an upper cover of an enclosed container for maintenance is time-consuming and labor-intensive, making it inconvenient for installation and maintenance operations.

Innovation Solution

A quick release structure comprising a support base, connector, and lock, which allows for the quick connection and disconnection of the cover to a telescopic rod, enabling the cover to rotate beyond 90 degrees for full exposure of the opening, facilitated by a clamping shaft that intersects with the connector's sliding direction, and utilizing elastic elements like hydraulic or spring-powered telescopic rods for assistance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the upper cover is lifted and closed manually for maintenance, then the structure allows access for installation and maintenance, but the process becomes time-consuming and labor-intensive

Engineering Contradiction:
Improveease of cover removal and installationVSAvoidtime for maintenance operations
Core Design Contradiction:
Ease of operationVSLoss of time

Solution Approach 1:

The cover is designed to rotate dynamically from a closed position (0 degrees) to an open position (greater than 90 degrees) relative to the housing walls, transitioning from a static lifted state to a dynamic rotational movement that enables full exposure of the opening for maintenance access

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The quick release structure divides the cover assembly into separable components including the cover, telescopic rod, and quick release mechanism with locking and unlocking functions, allowing the cover to be quickly detached and reattached without manual lifting and closing operations

Inventive Principle:
Principle #1Segmentation

2Ease of operation

If the cover is rotated beyond 90 degrees for full exposure, then maintenance access is improved, but rotational force requirements increase

Engineering Contradiction:
Improveaccess to opening for maintenanceVSAvoidrotational force required
Core Design Contradiction:
Ease of operationVSForce

Solution Approach 1:

The telescopic rod acts as an intermediary mechanical element between the cover and the quick release structure, providing leverage and mechanical advantage to reduce the rotational force required to detach the cover while enabling full rotation beyond 90 degrees for complete exposure of the opening

Inventive Principle:
Principle #24Intermediary (Mediator)

3Productivity

If a quick release structure is implemented, then detachment efficiency is improved, but device complexity increases

Engineering Contradiction:
Improveefficiency of cover detachmentVSAvoidcomplexity of release mechanism
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The quick release structure integrates multiple functions into a single mechanism: the locking body and clamping shaft provide both locking and unlocking functions, the telescopic rod provides both structural support and rotational leverage, and the connector provides both attachment and detachment capabilities, reducing the need for separate components for each function

Inventive Principle:
Principle #6Universality (Multi-functionality)

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

The solution reduces the rotational force required to detach the cover, enhances stability, and improves the efficiency of cover detachment and reconnection, facilitating easier access for maintenance and installation.

Implementation Method 1

utilizing elastic elements like hydraulic or spring-powered telescopic rods for assistance

Methodology Applied
Scientific EffectElasticity: Elasticity

Data Source

PatentUS12352300B2Quick release structure to allow additional rotational access, supporting structure, and housing
Publication Date: 2025.07.08 FULIAN PRESION ELECTRONICS (TIANJIN) CO LTD
  • US12352300B2 patent drawing
  • US12352300B2 patent drawing
  • US12352300B2 patent drawing

AI summary

A quick release and reconnectable structure to allow additional movement beyond the limit of a powered arm providing assistance in the opening of a cover of an enclosure includes a support base, a connector, and a lock. The connector is slidably arranged on the support base and can be separated from the support base. The lock comprises a locking body and a clamping shaft. The locking body is positioned on the support base. The clamping shaft is slidably positioned on the locking body. A holding hole is defined in the connector. The sliding direction of the clamping shaft intersects with the sliding direction of the connector along the support base, and the clamping shaft can be inserted into or withdrawn from the holding hole.