Magnetic Fastener Assembly with Linear Locking for Safe Release
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Solution Overview
Problem
Existing magnetic fasteners face challenges in ensuring safety and convenience during locking and unlocking, particularly in mother and baby products, supplies for the disabled, and safety equipment.
Innovation Solution
A magnetic fastener design featuring a female snap with a first locking unit and a male snap with a second locking unit that can linearly move on a base, allowing for a simple and safe assembly and disassembly process, with components that tolerate manufacturing errors for reduced costs and increased durability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the second locking unit is integrated with the base, then the structure is more compact, but the manufacturing precision requirements increase and assembly difficulty increases
Solution Approach 1:
The locking unit is divided into separate components: a locking arm that can linearly move on the base, and a clamping portion that is separated from the base. This segmentation allows each component to be manufactured independently with standard tolerances, reducing the need for high-precision assembly while maintaining structural compactness when assembled.
2Duration of action of stationary object
If the locking mechanism uses complex deformation-resistant components, then the durability increases, but the manufacturing cost increases
Solution Approach 1:
The locking arm utilizes the elastic deformation of the base itself to achieve the locking and unlocking functions. The base's elasticity provides the necessary force for the locking arm to move and engage the clamping portion, eliminating the need for additional complex deformation-resistant components or springs, thereby reducing manufacturing costs while maintaining durability.
3Ease of operation
If the clamping portion remains centered during assembly, then the alignment is simpler, but the locking safety decreases
Solution Approach 1:
The locking arm is designed to move linearly on the base, allowing it to dynamically adjust its position from a centered alignment during assembly to an offset position during locking. This dynamic adjustment ensures that the clamping portion engages the clamping groove securely for reliable locking, while the initial centered alignment simplifies the assembly process.
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 design facilitates safe and convenient locking and unlocking with reduced component deformation, enhancing durability and lowering production costs.
Implementation Method 1
the locking arm contains a connecting arm and an elastic arm, one end of the connecting arm is connected to the pressing portion, the other end of the connecting arm is connected to one end of the elastic arm, the other end of the elastic arm is formed as the first end of the locking arm
Implementation Method 2
the male snap also contains a spring, the base is provided with a second stop portion, and the spring is installed between the pressing portion and the second stop portion; when the pressing portion moves to the second stop portion due to the external force, the spring can suffer from elastic deformation; when the external force is released, the pressing portion is restored to its initial position by the elastic force of the spring
Implementation Method 3
The female snap is provided with a first magnet, and the male snap is provided with a second magnet; the first and second magnets attract each other
Data Source
AI summary
The present invention provides a magnetic fastener composed of a female snap and a male snap. The female snap includes a first locking unit, the male snap contains a second locking unit, and the first locking unit has a projecting piece, on which there is the clamping groove; the male snap contains a base with a clamping hole; the projecting piece passes through the clamping hole. The second locking unit includes a locking arm and a clamping portion, and can move on the base to drive the movement of the locking arm so that the clamping portion is kept away from the clamping groove to unlock the second locking unit. The present invention also discloses a strap that use magnetic fastener for locking and unlocking, which is simple and convenient.