Composite Earphone Film Applicator Alignment Mechanism
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Solution Overview
Problem
Current earphone films are inefficient to apply due to the small size of earphones, leading to hand contact, deviation issues, and wastage of time and film during manual application, resulting in low efficiency and effectiveness.
Innovation Solution
A composite film with a release film and base film, paired with an earphone applicator featuring aligning grooves and a restricting part, allowing for precise alignment and easy application, reducing manual errors and film wastage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual filming method is used, then flexibility and simplicity are maintained, but hand contact stains the film and deviation occurs reducing precision
Solution Approach 1:
The applicator serves as an intermediary tool between the operator and the earphone film. It includes a holding portion that secures the film, an aligning portion with alignment marks that ensure precise positioning, and a separation portion that allows clean removal. This intermediary device eliminates direct hand contact with the film while maintaining operational simplicity through its user-friendly design.
Solution Approach 2:
The applicator prepares the film application process in advance by pre-positioning the film on the applicator body with proper alignment marks. The alignment portion includes pre-marked guidelines that guide accurate placement on the earphone surface before actual application, preventing deviation and rework.
2Device complexity
If manual filming is used, then no additional equipment is needed, but time and film are wasted due to re-application
Solution Approach 1:
The applicator acts as a mediator that holds the film securely during transport and application. The holding portion with adhesive or clamping mechanism keeps the film fixed on the applicator body, preventing misalignment and stains. This ensures the film is applied correctly on the first attempt, eliminating waste and rework while keeping the device relatively simple.
Solution Approach 2:
The film is pre-mounted on the applicator body during manufacturing, with alignment marks pre-positioned. This preliminary preparation ensures that when the user applies the film to the earphone, proper alignment is achieved immediately without requiring additional adjustment tools or equipment,从而提高 efficiency.
3Reliability
If the release film is difficult to separate, then protection during storage is maintained, but application process becomes complex and time-consuming
Solution Approach 1:
The release film has different properties in different regions. The majority of the release film maintains strong adhesion to protect the film during storage and transport. However, the separation portion is designed with reduced adhesion strength or special coating that allows easy peeling during application. This local differentiation enables both protection and ease of separation.
Solution Approach 2:
The release film is functionally segmented into a protection region and a separation region. The protection region maintains strong bonding to keep the film secure during storage. The separation region, located at the edge or specific area, is designed with easier separation characteristics to allow clean removal during application without damaging the main film.
Data Source
AI summary
This utility model provides a composite film, which comprises a main film, one side surface of the main film is provided with a release film, another side surface of the main film is provided with a base film, the base film is used for pasting in the applicator, the end of the release film is provided with a pulling part, and the pulling part is used to facilitate the separation of the release film. This utility model further provides an earphone applicator matched with the composite film. This utility model realizes the aligning of the composite film and the applicator through a fixing jig, and further achieves the goal of aligning the main film, so as to solve the deviation problem existing in the earphone film application, increase the efficiency of film application, and avoid the waste of the films.