Nylon Hinge Torque Adjustment With Torsion Spring Positioning
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Solution Overview
Problem
Existing nylon hinges lack the ability to adjust spring torque, leading to issues such as excessive closure force causing impact noise and damage, insufficient closure force resulting in incomplete closure, and spring displacement affecting service life and user experience.
Innovation Solution
A nylon hinge with an adjustment device comprising a limiting sleeve, positioning sleeve, rotation rod, and torsion spring, allowing for the adjustment of torque through rotation of the rotation rod, which is meshed with perpendicular toothed surfaces to limit radial and axial movements, ensuring stable torque application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If fixed torque is used in traditional nylon hinges, then the structure is simple and cost is low, but the hinge cannot adapt to different usage scenarios and torque cannot be adjusted
Solution Approach 1:
The hinge incorporates an adjustment device with a rotation rod that can rotate within a limiting sleeve, allowing the torque to be dynamically adjusted. The rotation rod engages with perpendicular toothed surfaces on the limiting sleeve, enabling controlled rotation and torque modification while maintaining a relatively compact structure.
Solution Approach 2:
The hinge allows changing the torque parameter by rotating the rotation rod, which adjusts the torsion spring deformation. This enables the same hinge to adapt to different usage scenarios by modifying the torque parameter without requiring completely different hinge designs.
2Force
If excessive torque is used, then heavy components can be closed, but the cabinet door closes too fast generating impact noise and damage
Solution Approach 1:
The hinge allows dynamic adjustment of torque to match different usage scenarios. For lightweight cabinet doors, the torque can be reduced to prevent excessive closure force that would cause impact noise and damage, while still providing sufficient force for heavy components when needed.
Solution Approach 2:
By changing the torque parameter through rotation rod adjustment, the hinge can optimize closure force for specific applications, preventing both insufficient force (incomplete closure) and excessive force (impact noise and damage) by matching the torque to the actual usage scenario.
3Object-affected harmful factors
If insufficient torque is used, then impact noise and damage are prevented, but the component cannot be automatically closed or is incompletely closed
Solution Approach 1:
The adjustment device enables dynamic torque optimization. The rotation rod can be adjusted to provide sufficient torque for automatic closing in heavy component scenarios, while preventing excessive torque that would cause impact noise and damage in lightweight applications.
Solution Approach 2:
By adjusting the torque parameter through the rotation rod and limiting sleeve mechanism, the hinge can ensure sufficient closure force for automatic closing when needed, while preventing excessive force that would cause harm, thus optimizing both productivity and safety.
4Reliability
If springs are not limited, then the hinge structure is simple, but springs are prone to displacement affecting service life and user experience
Solution Approach 1:
The limiting sleeve provides localized constraint on the rotation rod's movement. The perpendicular toothed surfaces create a specific interaction zone that limits radial displacement of the torsion spring while allowing controlled rotation, providing targeted stability where needed without complicating the entire hinge structure.
Solution Approach 2:
The limiting sleeve acts as an intermediary component between the rotation rod and the torsion spring. It mediates the relationship by allowing rotation while preventing excessive radial displacement of the spring, thus protecting the spring from displacement issues without requiring direct rigid constraints.
5Ease of operation
If the rotation rod is freely rotatable, then torque adjustment is easy, but the torsion spring experiences excessive deformation and radial displacement
Solution Approach 1:
The perpendicular toothed surfaces on the limiting sleeve create a specific local interaction zone that allows controlled rotation while preventing excessive radial displacement. This localized constraint provides the right balance between ease of adjustment and spring protection.
Solution Approach 2:
The limiting sleeve serves as an intermediary that mediates between the freely rotatable rotation rod and the torsion spring. It allows the rotation rod to rotate for easy torque adjustment while simultaneously limiting the radial displacement of the torsion spring through the perpendicular toothed surface interaction.
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
Enables adjustable torque to meet the requirements of different usage scenarios, preventing torque failure and spring displacement, while maintaining a smooth and aesthetically pleasing surface.
Implementation Method 1
a torsion spring, one end of which is connected to the rotation rod, and the other end of which is connected to the positioning sleeve
Implementation Method 2
The rotation rod and the limiting sleeve are meshed with each other by perpendicular toothed surfaces, which are provided on end faces thereof
Data Source
AI summary
Disclosed in the present utility model is a nylon hinge for facilitating the adjustment of spring torque, where the nylon hinge further comprises an adjustment device, which is disposed within a first hinge mount and a second hinge mount and enables the automatic opening or closing thereof by adjusting torque. The adjustment device comprises a limiting sleeve, which is disposed within two ends of the first hinge mount and the second hinge mount, a positioning sleeve, a rotation rod, which penetrates the limiting sleeve and is used for adjusting the torque, and a torsion spring, one end of which is connected to the rotation rod, and the other end of which is connected to the positioning sleeve. By the present utility model, a rotation rod is rotated, and when the rotation rod is rotated, a torsion spring is driven to deform.