Telescopic Roller Shutter Drum with Axial Locking
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing solutions for winding and unwinding devices, such as rolling shutters, face challenges in dimensional variability and require complex installation processes due to the need for additional components and mechanical connections, which can lead to assembly difficulties and reliability issues.
Innovation Solution
A device with a rotating drum secured to fixed end supports, where the motor means include axial locking mechanisms that allow adjustable positioning for easy assembly and eliminate the need for additional guide or blocking parts, enabling direct sliding of the winding tube on the motor for secure fixing between lateral supports.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If telescopic winding systems are used to adapt to variable spacing between supports, then adaptability is improved, but device complexity increases due to additional components needed for dimensional adjustment
Solution Approach 1:
The winding tube is divided into multiple telescopic segments that can extend and retract relative to each other. This segmentation allows the overall length of the winding tube to be adjusted to match different distances between supports, while each segment remains a manageable component with standardized connections.
Solution Approach 2:
The winding tube incorporates dynamic telescopic joints that allow for length adjustment during installation. These joints enable the tube to transition between retracted and extended states, providing adaptability to various support spacings while maintaining structural integrity during operation.
2Adaptability or versatility
If additional components are added to enable telescopic operation, then adaptability is improved, but ease of manufacture deteriorates due to increased assembly steps
Solution Approach 1:
The locking mechanism is integrated directly into the telescopic joint structure of the winding tube. The locking elements are built-in features of the tube segments themselves rather than separate components, which simplifies the assembly process by reducing the number of parts to be handled and installed.
Solution Approach 2:
The telescopic winding tube incorporates self-locking mechanisms that automatically engage when the tube segments are extended to the desired length. This self-service feature eliminates the need for manual locking operations or additional tools during installation, significantly simplifying the assembly process.
3Reliability
If locking means are added to secure the extended position, then reliability is improved, but device complexity increases due to additional locking components
Solution Approach 1:
The locking mechanism is merged with the telescopic joint structure of the winding tube. The locking elements are built-in features of the tube segments themselves rather than separate components, which simplifies the overall device while maintaining reliable locking functionality.
Solution Approach 2:
The locking mechanism operates automatically based on the extension state of the telescopic segments. When the winding tube is extended to its deployed position, the locking elements self-engage to secure the position, eliminating the need for external control systems or additional actuators.
Data Source
Figure 1~2
AI summary
A winding/unwinding device for a shutter covering an opening in a building wall, of the roller shutter type, comprising: - a rotating drum (1) for winding/unwinding the curtain, said drum (1) being fixed to two fixed end supports (5, 6); - motor means (3) disposed at one end of the drum (1), mounted to slide inside said drum (1) between a retracted state and an expanded state varying the length of the winding/unwinding device between a first length less than the distance d separating the supports (5, 6) and a second extended length substantially equal to said distance d; - said motor means (3) comprising means for fixing (4) to a first support (5); - a fixing end (7, 8) to the second support (6) equipping the other end of the drum (1).The driving means (3) include means for axially blocking (10, 11) the device in the expanded state corresponding to said deployed length.