Invisible Zipper Head Assembly Positioning Mechanism
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Solution Overview
Problem
Conventional zipper head assemblies lack effective positioning mechanisms, leading to inefficiencies in the sliding member's interaction with the zipper teeth structure, which affects the overall functionality and usability of zippers in clothing and accessories.
Innovation Solution
The invisible zipper head assembly structure incorporates a sliding member with a base portion, lateral wall portions, a seat portion, an elastic component, and a retaining body, featuring a positioning through hole and a movable retaining body that aligns with the zipper teeth structure, allowing precise positioning and improved functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a conventional zipper head assembly structure is used, then the structure is simple, but the positioning effect of the sliding member on the zipper teeth structure is insufficient
Solution Approach 1:
The sliding member is divided into multiple functional parts: a base portion, a retaining body, and an elastic component. The retaining body is further segmented with a positioning portion that extends through a positioning through-hole. This segmentation allows each part to perform its specific function independently, improving positioning precision without creating an overly complex integrated structure.
Solution Approach 2:
The elastic component acts as an intermediary between the retaining body and the base portion. It provides flexible connection and positioning force, enabling the positioning portion to effectively engage with the zipper teeth while accommodating manufacturing tolerances and wear, thus improving positioning effect without requiring extremely precise rigid structures.
2Measurement precision
If the sliding member structure is simplified, then the manufacturing is easier, but the alignment accuracy with the zipper teeth structure deteriorates
Solution Approach 1:
The positioning portion of the retaining body and the positioning through-hole are designed with specific local geometric features that provide precise alignment. These localized precision features are concentrated only where needed for positioning, while other parts of the sliding member can be manufactured with standard tolerances, balancing alignment accuracy with manufacturing ease.
3Manufacturing precision
If a positioning mechanism is added to improve positioning effect, then the positioning precision increases, but the device complexity increases
Solution Approach 1:
The elastic component automatically provides positioning force and maintains engagement between the positioning portion and the zipper teeth. The retaining body self-adjusts within the elastic component's flexibility to maintain optimal positioning. This self-service mechanism achieves precise positioning without requiring complex external control systems or multiple adjustment mechanisms.
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
This design enhances the positioning effect of the sliding member on the zipper teeth structure, ensuring accurate alignment and improved functionality, thereby enhancing the usability of zippers in various applications.
Implementation Method 1
an elastic component (15)... the retaining body (14) is movably disposed on the seat portion (13) and movably contacts the elastic component (15)
Data Source
AI summary
An invisible zipper head assembly structure includes a sliding member and a pulling member. The sliding member has a base portion, a first lateral wall portion, a second lateral wall portion, a seat portion, an elastic component, and a retaining body. The retaining body has a positioning portion passing through a positioning through hole of the seat portion. The pulling member is movably mated with the retaining body. The thickness of the first lateral wall portion is smaller than the thickness of the second lateral wall portion. The first symmetric center line of the base portion passes through a geometric center point of the positioning through hole, and the second symmetric center line of the seat portion is horizontally moved relative to the first symmetric center line by horizontal offset and along a horizontal direction from the second lateral wall portion to the first lateral wall portion.