Pneumatic Floor Spring Shielded Design for Water Accumulation
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Solution Overview
Problem
Conventional hydraulic floor springs for glass and wooden doors are costly, aesthetically intrusive, and require extensive installation, involving floor modifications, which makes them impractical for many projects and prone to water accumulation and oxidation issues.
Innovation Solution
A pneumatic floor spring with reduced dimensions, shielded construction, and simplified installation that requires only a small hole in the floor, featuring a lightweight design and lower costs due to its assembly simplicity and minimal environmental impact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If hydraulic floor springs are used for automatic door operation, then the door closing function is ensured, but the cost becomes very high and installation is complex requiring extensive floor modifications
Solution Approach 1:
The patent replaces the hydraulic mechanical system with a pneumatic system. The pneumatic floor spring uses compressed air instead of hydraulic fluid, eliminating the need for complex concrete embedding and floor modifications. The pneumatic mechanism achieves the same door closing function through air pressure differential, simplifying installation to merely positioning the spring between the door and floor.
Solution Approach 2:
The patent extracts the hydraulic fluid and complex concrete embedding requirement from the door spring system. By removing the hydraulic component and replacing it with a pneumatic mechanism, the installation process is dramatically simplified from requiring extensive floor breaking and concrete work to simply positioning the spring in place.
2Reliability
If hydraulic floor springs are installed with concrete embedding, then the door retention function is achieved, but the floor aesthetics are affected and installation time increases to about 2 hours and a half
Solution Approach 1:
The patent substitutes the hydraulic concrete-embedded system with a pneumatic surface-mounted system. This replacement eliminates the time-consuming floor breaking, cleaning, and concrete pouring processes, reducing installation time from 2.5 hours to a fraction of that time while maintaining the door retention function through pneumatic pressure control.
Solution Approach 2:
The pneumatic floor spring comes pre-assembled and pre-charged with compressed air, allowing for rapid installation. The spring is designed to be ready-to-install without requiring on-site hydraulic system assembly or concrete curing time, enabling quick deployment while ensuring proper door retention functionality.
3Reliability
If hydraulic floor springs are used, then the door smooth closing is ensured, but the weight becomes very high ranging from 3 to 6 kilograms
Solution Approach 1:
The patent replaces the heavy hydraulic mechanism with a lightweight pneumatic system. The pneumatic floor spring uses compressed air stored in a reservoir to provide the necessary force for smooth door closing, eliminating the need for heavy hydraulic cylinders, fluid reservoirs, and associated mounting hardware, thereby dramatically reducing the overall weight from 3-6 kg to a fraction of that weight.
4Ease of manufacture
If conventional hydraulic floor springs are installed without shielded structure, then the installation is simpler, but water accumulation occurs leading to oxidation problems
Solution Approach 1:
The patent incorporates a shielded structure with a flexible or rigid cover that encloses the pneumatic components. This shield prevents water and moisture from accumulating around the spring mechanism, protecting against oxidation and corrosion while maintaining installation simplicity. The shield can be made from corrosion-resistant materials and is designed to allow easy installation without complex sealing requirements.
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 pneumatic floor spring provides efficient, low-cost, and aesthetically friendly automatic door operation with reduced installation time and weight, avoiding the need for extensive floor modifications and oxidation issues present in hydraulic systems.
Implementation Method 1
pneumatic floor spring which uses a pneumatic spring to push the door open and closed
Data Source
AI summary
A structural arrangement is described in pneumatic floor spring of reduced dimensions, which requires a hole in the floor for its installation, providing a shielded structure that prevents the water accumulation, such pneumatic floor spring keeps the door closed by the force exerted by the plunger and when the door is opened, the pin spins along with the cam which, with the double helicoil, pushes the descendent track and the plunger.