Roller Shutter Adapter Press-Fit Connection Design
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Solution Overview
Problem
The existing connection method between a roller shutter drive and its adapter is time-consuming and requires multiple screws, making it complicated and inefficient.
Innovation Solution
The adapter is designed with a snug fit on the roller shutter head piece, allowing for a press-fit connection without screws, utilizing a conical shape and ribbed features to prevent twisting and torsion, enabling a simple pressing mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the adapter is connected to the head piece using multiple screws, then the connection is secure and reliable, but the assembly process becomes time-consuming and complicated
Solution Approach 1:
The patent removes the screws entirely from the connection system, extracting the fastening function from the assembly process. The adapter connects to the head piece through a press-fit mechanism with a conical interface that achieves secure connection without any fastening elements, thus eliminating assembly time while maintaining connection reliability.
Solution Approach 2:
The patent replaces the mechanical screw-fastening system with a press-fit conical interface system. The conical shape creates a self-locking mechanical interference fit that provides secure connection through friction and geometric constraint rather than threaded fasteners, achieving both time efficiency and connection reliability.
2Ease of operation
If the adapter uses a simple press-fit connection without screws, then the assembly process is simplified and time is reduced, but the connection may allow twisting or torsion
Solution Approach 1:
The patent employs a conical interface between the adapter and head piece. The conical geometry provides radial constraint that prevents twisting and torsion while maintaining a simple press-fit assembly process. The angled surface creates mechanical interference that resists rotational forces without requiring complex fastening mechanisms.
3Stability of the object's composition
If multiple screws are used to connect the adapter and head piece, then twisting is prevented, but the device complexity and number of components increase
Solution Approach 1:
The patent extracts all screws and fastening components from the connection system, reducing the number of parts to just the adapter and head piece. The conical press-fit interface provides both connection and anti-twisting functionality through geometry alone, eliminating the need for separate fastening elements and simplifying the overall device structure.
Data Source
Figure 1
Figure 2
AI summary
The adapter (1) has a snug fit on a side, where the adapter is adapted to the form of a roller shutter header (4). The adapter and header are connected with one another by pressing. The snug fit is tapered between the side of the adapter and the header. The snug fit is fixed against a twisting between the adapter and the header by ribs (6). A roller shutter drive is connected with another side of the adapter. An independent claim is also included for a roller shutter with the adapter.