Rocker Button Switch for Dog Leash Locking Mechanism
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Solution Overview
Problem
Conventional dog leashes with double-button or single-button control systems face issues of complex operation and unstable performance due to part wear and instability.
Innovation Solution
A rocker button switch device with an outer shell, line wheel, button, locking slider, unlocking slider, and translation slider, where the rocker button drives the sliders to engage and disengage the line wheel, using springs for stable locking and unlocking mechanisms, allowing for easy operation and secure rope management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a double-button control switch is used, then the dog leash can achieve locking and unlocking functions, but the operation becomes complicated
Solution Approach 1:
The patent merges two separate button controls into a single rocker button that can tilt in two directions. This single component integrates both locking and unlocking functions, eliminating the need for separate buttons while maintaining both operational modes. The rocker button's dual-directional tilting mechanism allows one component to perform the work previously requiring two separate controls.
2Ease of operation
If a single-button control switch is used, then the operation becomes simple, but the parts wear greatly and using effects become unstable
Solution Approach 1:
The patent segments the single button's functionality into two distinct operational directions (front tilt for unlocking, back tilt for locking). This segmentation allows each direction to perform a specific function with dedicated mechanical pathways, reducing cross-contamination of wear between functions. The internal structure divides the force transmission paths so that locking and unlocking operations wear different components, extending overall system life.
Solution Approach 2:
The rocker button employs dynamic tilting motion in two opposite directions rather than a single static pressing action. This dynamic design allows the mechanism to engage different internal pathways depending on the direction of tilt, distributing mechanical stress and wear across multiple components over time, thereby improving stability and reducing wear on any single part.
3Device complexity
If conventional button controls are used, then the structure can be simple, but the performance becomes unstable due to part wear
Solution Approach 1:
The patent implements a nested structure where the rocker button contains internal sliders (locking slider and unlocking slider) that move within the button body. These sliders are further nested within the outer shell structure. This nested arrangement allows multiple functional components to be compactly integrated without significantly increasing the overall device footprint, maintaining structural simplicity while improving performance stability through distributed wear mechanisms.
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 solution provides a simple, convenient, and stable operation by allowing free rope retrieval and fixed length management, enhancing user experience and durability through the sliding cooperation of the sliders and buckle locking mechanism.
Implementation Method 1
the translation slider 7 moves forward and backward under action of a translation spring 8
Implementation Method 2
the translation slider and the unlocking slider push each other by inclined plane sliding
Data Source
AI summary
A rocker button switch device of a dog leash includes: an outer shell, a line wheel, a button, a locking slider, an unlocking slider, and a translation slider, wherein the button is mounted in a corresponding groove on the outer shell, the button is a rocker button, and able to rotate about a rocker central axle, two ends of the button respectively contact the locking slider and the unlocking slider directly and slidingly, for driving the locking slider and the unlocking slider to move up and down, the translation slider includes a translation spring, the translation slider and the unlocking slider push each other by inclined plane sliding, and the translation slider and the locking slider are locked together via a buckle. The rocker button switch device of the dog leash is simple in movement, convenient to use, and stable in performance.