Telescopic Tube Memory Locking for Fast Length Reset
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Solution Overview
Problem
Conventional telescopic devices require repeated adjustments to achieve the optimal length, consuming time and being inconvenient, and are prone to dust and foreign object accumulation in adjustment holes, affecting future usage.
Innovation Solution
A telescopic tube with an adjustment memory function, featuring a control assembly with a switching button and elastic member, allowing for one-time adjustment and memory of the desired length through a retractable inner tube mechanism, preventing dust accumulation by positioning the adjustment holes internally.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the adjustment holes are disposed on the outermost tube for length adjustment, then the adjustment operation is simple and direct, but dust and foreign objects easily get stuck and accumulated in the hole, affecting future adjustments
Solution Approach 1:
The patent places the adjustment holes on the inner tube rather than the outermost tube, nesting the adjustment mechanism inside the telescopic structure. This allows the adjustment function to remain accessible while protecting the holes from external dust contamination, as the inner tube can be retracted into the outer tube to cover the adjustment openings.
Solution Approach 2:
The patent extracts the adjustment holes from the outermost tube surface and relocates them to the inner tube, separating the adjustment function from the external environment. This extraction prevents dust and foreign objects from accumulating in the adjustment holes while maintaining operational accessibility.
2Adaptability or versatility
If conventional telescopic devices allow repeated adjustment operations, then the device can adapt to different length requirements, but the user must adjust the length again in each use, consuming time and causing inconvenience
Solution Approach 1:
The patent implements a memory mechanism that automatically recalls and positions the inner tube at the previously set length without requiring manual adjustment. The elastic member stores the position information, and upon activation, the system automatically returns to the memorized configuration, eliminating repeated adjustment operations and saving user time.
Solution Approach 2:
The telescopic device performs self-adjustment by automatically returning to the previously set position through the memory mechanism. The system serves itself by recalling stored position data and autonomously reconfiguring the tube length without human intervention, thereby reducing adjustment time and operational burden.
3Loss of time
If the telescopic tube includes a memory function with control assembly, then the adjustment time is reduced, but the device complexity increases
Solution Approach 1:
The patent employs a simple feedback mechanism where the elastic member detects the position of the inner tube and automatically triggers the memory recall function. When the inner tube reaches a specific position, the elastic member engages with the locking mechanism to store the position data, creating a closed-loop system that simplifies the control assembly while enabling automatic memory functionality.
Solution Approach 2:
The patent introduces an elastic member as an intermediary element between the inner tube and the locking mechanism. This elastic component mediates the interaction by storing mechanical energy and transmitting position information, enabling the memory function without requiring complex electronic controls or additional actuators, thus minimizing device complexity.
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
Enables quick and convenient adjustment to the desired length without re-setting, ensuring reliable operation by internalizing the adjustment mechanism and preventing dust and foreign object entry.
Implementation Method 1
an elastic member mounted on the pin section, wherein an end of the elastic member is elastically abutted with the abutting section, and a second end of the elastic member is elastically abutted with an outer surface of the inner tube
Data Source
AI summary
A telescopic tube is disclosed. By pressing and rotating a switching button, an abutting section is aligned to a first hole of an outer tube and then elastically pushed by an elastic member, a pin section of the switching button is released from engagement with a fastening hole of the inner tube, and the position of the inner tube in the outer tube can be adjusted individually. After the inner tube is adjusted completely and the switching button is pressed to rotated again, the pin section is inserted into the fastening hole, the engaging section is engaged in the first hole. When the switching button is pressed, the movement of the inner tube makes the switching button release from the first hole and the third hole, and the inner tube, the control assembly and the inner mounting member are retractable in the through hole of the outer tube.