Quick-Release Engaging Connection Structure With Elastic Locking

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Solution Overview

Problem

Conventional fixing methods using screws for coupling objects result in difficult separation and inefficient assembly, leading to unhandy operations.

Innovation Solution

An engaging connection structure with an assembly portion, engaging portion, and limiting member that allows for quick coupling and separation through movable positioning and limiting mechanisms, utilizing elastic components for automatic engagement and release.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If screws are used for locking to combine objects, then the coupling strength and stability are improved, but the ease of separation and assembly efficiency deteriorate

Engineering Contradiction:
Improvecoupling strengthVSAvoidease of separation
Core Design Contradiction:
StrengthVSEase of operation

Solution Approach 1:

The patent employs a dynamic locking mechanism where the limiting member can transition between locked and unlocked states. The elastic component provides dynamic responsiveness, allowing the connection to be easily changed from fixed to movable state, enabling quick assembly and disassembly while maintaining strong coupling when locked

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The connection structure is divided into distinct functional segments: the engaging portion with positioning portions for coupling, the limiting member for controlling movement, and the elastic component for providing locking force. This segmentation allows each component to perform its specific function efficiently, enabling both strong coupling and easy separation

Inventive Principle:
Principle #1Segmentation

2Stability of the object's composition

If screws are used for locking to combine objects, then the stability of the coupling is improved, but the assembly efficiency and time consumption deteriorate

Engineering Contradiction:
Improvecoupling stabilityVSAvoidassembly efficiency
Core Design Contradiction:
Stability of the object's compositionVSProductivity

Solution Approach 1:

The elastic component is pre-loaded to provide automatic locking force when the engaging portion is inserted. The positioning portions are pre-configured to automatically engage with corresponding features, eliminating the need for manual screw tightening steps and enabling rapid assembly while maintaining stable coupling

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The connection structure performs self-locking through the elastic component that automatically engages the limiting member with the positioning portions. The system serves itself by maintaining coupling stability through the built-in elastic locking mechanism without requiring additional fastening operations, thereby improving assembly efficiency

Inventive Principle:
Principle #25Self-service

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 repeated quick coupling and separation of objects with ease, facilitating smooth assembly and disassembly operations.

Implementation Method 1

a first elastic component is further included. Two ends of the first elastic component abut against the assembly portion and the limiting member, respectively. The first elastic component abuts against the limiting member such that the limiting member is located at the positioning portion and the engaging portion forms a limited state, or presses the limiting member downward to compress the first elastic component such that the limiting member forms a moving state via the moving portion.

Methodology Applied
Scientific EffectElasticity: Elasticity

Data Source

PatentUS20250297626A1Engaging connection structure
Publication Date: 2025.09.25 FIVETECH TECH INC
  • US20250297626A1 patent drawing
  • US20250297626A1 patent drawing
  • US20250297626A1 patent drawing

AI summary

The present disclosure provides an engaging connection structure including an assembly portion, an engaging portion and a limiting member. The engaging portion is movably combined with the assembly portion. The limiting member is provided at the assembly portion and the engaging portion. The engaging portion is provided with a positioning portion and a moving portion. The limiting member provides limiting or moves at the positioning portion and the moving portion to limit a movement of the engaging portion. Or, the assembly portion is provided with a positioning portion and a moving portion. The limiting member provides limiting or moves at the positioning portion and the moving portion to limit a movement of the engaging portion. Accordingly, the assembly portion can be combined with an object, and be engaged with or released from another object.