Integrated Hinge Device with Hydraulic Damping
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Solution Overview
Problem
Existing door hinges are bulky, aesthetically unappealing, difficult to manufacture, expensive, require frequent maintenance, and lack adjustability in closing speed and latch action, with many components contributing to their inefficiency and reliability issues.
Innovation Solution
A hinge device with a simplified design featuring a fixed and movable tubular half-shell configuration, using a plunger member and pivot mechanism with elastic counteracting means and a hydraulic circuit for controlled movement, allowing for adjustable opening and closing angles and automatic door closure, while minimizing bulkiness and component count.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If traditional door closer mechanisms are used to ensure automatic door closure, then the door can be automatically closed, but the device becomes bulky and aesthetically unappealing
Solution Approach 1:
The patent combines the door closing function with the hinge mechanism itself, integrating the door closer functionality into the hinge structure. The hinge includes a housing with a piston and damper mechanism that provides both the articulation function of a hinge and the automatic closing function of a door closer, eliminating the need for separate bulky components.
Solution Approach 2:
The patent employs a nested structure where the piston is housed within the hinge housing, and the damper mechanism is integrated within the same structure. The connecting plates and pivot points are nested within the housing, creating a compact multi-functional device that achieves automatic door closure without external bulky components.
2Extent of automation
If traditional door closer mechanisms are used, then automatic door closure is achieved, but the device requires frequent maintenance and has high manufacturing cost
Solution Approach 1:
The patent merges multiple functions (hinge articulation, door closing, damping) into a single integrated mechanism, reducing the total number of parts that need to be manufactured and assembled. This integration simplifies the manufacturing process and reduces assembly steps, thereby lowering production costs and improving ease of manufacture.
Solution Approach 2:
The hinge device performs multiple functions simultaneously: it acts as a pivot point for door articulation, provides automatic door closure through the spring mechanism, and controls closing speed through the damper. This multi-functionality eliminates the need for separate door closer and damper components, reducing manufacturing complexity.
3Ease of operation
If traditional hinges are used, then basic door articulation is provided, but adjustment of closing speed and latch action is not possible
Solution Approach 1:
The patent incorporates adjustable elements within the hinge mechanism that allow dynamic modification of the closing characteristics. The damper mechanism includes adjustable components that enable users to modify the closing speed and latch action forces without changing the fundamental structure or adding numerous separate parts.
Solution Approach 2:
The patent enables adjustment of operational parameters (closing speed, latch force) through built-in adjustment mechanisms within the hinge. These mechanisms allow modification of the damper characteristics and spring tension to achieve desired closing behavior without requiring additional complex components or assembly steps.
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 hinge device provides high functionality, easy installation, and reduced maintenance, enabling controlled and efficient door movement with adjustable angles and automatic closure, while being cost-effective and compact.
Implementation Method 1
elastic counteracting means
Implementation Method 2
hydraulic damping means for damping the action of the closing means
Data Source
AI summary
A hinge device includes a first fixed tubular half-shell having a working chamber defining a longitudinal axis, a second tubular half-shell rotatable about the longitudinal axis, a pivot rotating unitarily with the latter which includes a single pass-through actuating member having a helical shape, a plunger member slidable along the longitudinal axis, and a tubular bushing having a pair of guide cam slots. A pin inserted within the pass-through actuating member is provided to allow the mutual engagement of the pivot and the bushing. The first tubular half-shell includes an end portion susceptible to rotatably support the pivot, the second tubular half-shell and the bushing are coaxially coupled to each other, and the bushing and the first tubular half-shell are mutually unitarily coupled.