Compressor Bag Cap With Notch And Locking Lugs
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Solution Overview
Problem
Existing compressor bag closure clips are prone to being lost during the life of the bag, lacking effective retention mechanisms.
Innovation Solution
A cap design featuring a notch with longitudinal grooves and locking lugs that securely hold the closure clip in place, ensuring it does not get lost, with the notch's shape and dimensions complementing the clip for precise engagement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a simple cap without retention features is used, then the cap structure remains simple and easy to manufacture, but the closure clip can be lost during the life of the compressor bag
Solution Approach 1:
The cap is divided into distinct functional zones: a lower part for structural support and an upper part containing the notch with locking lugs. This segmentation allows each zone to perform its specific function optimally while keeping the overall design simple and manufacturable.
Solution Approach 2:
The locking lugs are strategically positioned only in the upper part of the cap where the clip needs retention, rather than distributing complexity throughout the entire cap. This localized approach provides secure clip holding while maintaining simplicity in other areas of the cap structure.
2Reliability
If a cap with locking mechanism is added, then the closure clip is securely retained, but the manufacturing complexity increases
Solution Approach 1:
The locking lugs are integrated directly into the cap structure during molding, combining the cap and retention features into a single molded part. This eliminates the need for separate manufacturing steps or assembly operations, maintaining ease of manufacture while providing secure clip retention.
Solution Approach 2:
The cap structure itself provides the retention function through its integrated locking lugs, eliminating the need for additional components or complex assembly processes. The cap serves both its protective function and its retention function through its own structural features.
3Reliability
If the notch is designed with precise locking lugs, then the clip engagement is secure, but the manufacturing precision requirements increase
Solution Approach 1:
The locking lugs are pre-formed as integral features of the cap during the molding process, with their positions and dimensions predetermined in the mold design. This preliminary action ensures consistent clip engagement without requiring post-manufacturing adjustments or high-precision machining operations.
Solution Approach 2:
The locking lugs are designed with specific dimensional parameters (length, width, positioning) that are optimized for reliable clip retention. By carefully selecting these parameters within reasonable tolerances, the design achieves secure engagement without demanding extreme manufacturing precision.
Data Source
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AI summary
The present invention relates to a cap (1) for retaining a compression bag closure clip (2), said cap (1) being sealed onto said compression bag (3) and comprising: - a lower portion (4) and an upper portion (5), said lower portion (4) having a larger surface area than the surface area of the upper portion (5), - said upper portion (5) having at least one notch (6) extending from one end to the other of the upper portion (5), - said notch (6) having a shape complementary to said closure clip (2), - said notch (6) having at least one longitudinal groove (7), - said longitudinal groove (7) forming at least one recess (12) with respect to at least one plate (8A, 8B) located on each side of said groove (7), and said plate (8A, 8B) being located at a height greater than that of the groove (7), - said notch (6) having at least one external wall (9A,9B) extending essentially perpendicularly to said plateau (8A,8B),- each wall (9A,9B) has at least one locking lug (10A,10B) for said clip (2).