Plug-in Connection for Inflatable Object Sealing and Pumping
Solution Overview
Problem
Existing devices for sealing and inflating inflatable objects face challenges such as complex and unreliable connections, lack of robustness, and difficulty in switching between sealant and non-sealant modes of operation, which complicate repair processes and make them cumbersome to use, especially in emergency situations.
Innovation Solution
A device with a profiled molded inlet line connected to a compressed gas source via a secure plug-in connection, featuring a rotating valve body that simplifies switching between modes of operation and ensures a stable, secure connection between the sealant container and valve unit, using a U-shaped securing clip for added stability and ease of use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a simplified switchover mechanism is implemented to switch between sealant and non-sealant modes, then ease of operation is improved, but reliability may worsen due to potential sticking or failure of the switching mechanism
Solution Approach 1:
The patent removes the complex rotary valve and bypass mechanism from the system entirely. Instead, it uses a simple plug connection that can be inserted or removed to switch between sealant and non-sealant modes. This extraction of the problematic switching mechanism eliminates sticking issues while maintaining ease of operation through simple plug insertion/removal actions.
2Ease of operation
If a rotary valve with bypass is used to switch between operating modes, then ease of operation is improved, but device complexity increases due to additional seals and valve components
Solution Approach 1:
The patent extracts and removes the rotary valve, bypass channels, and associated seals from the system. The mode switching function is achieved simply by inserting or removing the plug connection, which eliminates the complex valve and distributor unit while maintaining operational simplicity.
3Reliability
If the sealant container is securely closed during transport and non-sealant mode, then reliability is improved, but ease of operation worsens due to additional sealing measures required
Solution Approach 1:
The patent removes the need for additional sealing measures by extracting the problematic valve and bypass system. The plug connection itself serves as both the mode switch and the sealing mechanism, eliminating the need for separate sealing components and simplifying handling while maintaining security during transport and non-sealant mode.
Data Source
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AI summary
Disclosed is an apparatus for sealing and pumping up inflatable objects, especially motor vehicle tires. Said apparatus (1) comprises a valve and distributor unit (2) that has a supply pipe (3) which can be connected to a compressed gas source, is designed as a profiled molded article, and is connected to the compressed gas source by means of a plug-in connection (8) located on the housing (7) of the compressed gas source. The plug-in connection (8) can be prevented from being released by means of a securing element (10).