Telescopic Rod Fixator With Elastic Reset for Stable Locking

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Solution Overview

Problem

Existing telescopic rods suffer from complex structural designs in their locking devices, leading to increased manufacturing costs, wear, and reduced service life due to stress concentration, resulting in unstable support structures prone to failure.

Innovation Solution

A fixator for telescopic rods comprising a fixation base, locking member, and elastic member that provides automatic reset and locking through an elastic restoring force, simplifying the structure and enhancing stability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If complex structural designs are used for locking devices, then locking stability is improved, but device complexity and manufacturing cost increase

Engineering Contradiction:
Improvelocking stabilityVSAvoidstructural complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The locking member and elastic member are integrated into a single assembly where the elastic member is disposed between the fixation base and the locking member, forming a unified locking mechanism that achieves both stability and simplicity

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The elastic member automatically provides restoring force to maintain the locking member in the locked position, enabling self-servicing locking without requiring additional complex mechanisms or frequent manual intervention

Inventive Principle:
Principle #25Self-service

2Reliability

If numerous mating components are included in locking devices, then locking functionality is improved, but wear and stress concentration increase

Engineering Contradiction:
Improvelocking functionalityVSAvoidservice life
Core Design Contradiction:
ReliabilityVSDuration of action of moving object

Solution Approach 1:

The locking member is designed as an integral structure with the elastic member, reducing the number of separate mating components and minimizing wear interfaces while maintaining full locking functionality

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The design eliminates unnecessary mating components by using a streamlined locking mechanism where the locking member directly engages with the fixation base through the elastic member, removing redundant parts that would contribute to wear and stress concentration

Inventive Principle:
Principle #2Taking out (Extraction)

3Manufacturing precision

If complex locking devices are used, then positioning accuracy is improved, but ease of operation deteriorates

Engineering Contradiction:
Improvepositioning accuracyVSAvoidoperation simplicity
Core Design Contradiction:
Manufacturing precisionVSEase of operation

Solution Approach 1:

The elastic member automatically maintains the locking member in the locked position, eliminating the need for complex manual adjustment mechanisms while preserving precise positioning capability

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

Instead of using complex mechanisms to achieve and maintain locking, the design uses the elastic member's inherent restoring force to automatically maintain the locked position, inverting the traditional approach where manual force is needed to maintain locking

Inventive Principle:
Principle #13The other way round (Inversion)

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 fixator achieves reliable axial locking, simplifies operation, and extends the service life of telescopic rods by reducing wear and improving stability, making it suitable for diverse usage scenarios.

Implementation Method 1

an elastic member disposed between the fixation base and the locking member and configured for providing an elastic restoring force to bias the locking member toward a locked position

Methodology Applied
Scientific EffectElastic restoring force: Elasticity

Data Source

PatentUS12497985B1Fixator for telescopic rod and the telescopic rod
Publication Date: 2025.12.16 SANNWSG INC
  • US12497985B1 patent drawing
  • US12497985B1 patent drawing
  • US12497985B1 patent drawing

AI summary

The present disclosure relates to a fixator for a telescopic rod and the telescopic rod. The telescopic rod comprises an outer tube and an inner tube, both being hollow and slidably nested; the fixator includes a fixation base, a locking member, and an elastic member. The locking legs of the locking member are engaged with the locking holes of the inner tube to achieve locking/unlocking, while the elastic member drives automatic reset. It addresses the issues of complex structure and short lifespan in existing locking devices, improving the stability and longevity of telescopic locking, and is applicable for various scenarios requiring telescopic locking.