Pet Excrement Cleaning Device With Nested Sleeve And Spring Reset
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Solution Overview
Problem
Existing pet excrement cleaning devices are large and inconvenient to carry during daily walks, often requiring hand-holding and causing excrement to fall off due to uncomfortable operation and design.
Innovation Solution
A compact pet excrement cleaning device with an inner sleeve, outer sleeve, guide blocks, springs, clamping jaws, and a pull handle, allowing for easy operation and secure containment of excrement within a garbage bag, featuring a snap-fitting mechanism and rotatable clamping jaws for efficient picking up and carrying.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If a compact design is used, then portability is improved, but the clamping mechanism may not securely contain excrement
Solution Approach 1:
The patent employs a nested structure where the inner sleeve containing clamping jaws is housed within the outer sleeve. The inner sleeve can slide within the outer sleeve, allowing the compact device to maintain both portability and functional integrity for secure excrement containment.
Solution Approach 2:
The patent incorporates dynamic elements including springs that provide automatic resetting of the clamping jaws, and a sliding inner sleeve mechanism that enables the device to transition between compact storage state and operational clamping state, ensuring both portability and reliable containment.
2Ease of operation
If hand-held operation is used, then excrement cleaning can be performed, but it is uncomfortable and causes excrement to fall off
Solution Approach 1:
The patent implements a self-service mechanism where the spring automatically resets the clamping jaws after excrement is picked up, eliminating the need for manual resetting by the user. This improves operational comfort while maintaining reliable containment through automatic mechanism activation.
Solution Approach 2:
The dynamic sliding mechanism allows the inner sleeve to move automatically when excrement is picked up, triggering the clamping and resetting actions without requiring manual intervention, thereby improving ease of operation while ensuring secure containment throughout the process.
3Reliability
If existing cleaning devices are used, then excrement can be collected, but they are large and inconvenient to carry during daily walks
Solution Approach 1:
The patent uses a nested structure with an inner sleeve containing clamping jaws housed within an outer sleeve, creating a compact form factor that maintains full excrement collection capability while significantly reducing device volume for portability during daily walks.
Solution Approach 2:
The patent extracts the essential clamping function into a separate inner sleeve mechanism that can be compactly stored within the outer sleeve when not in use, allowing the device to maintain collection capability while minimizing carrying volume during normal activities.
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 device provides a portable, compact, and functional solution that prevents excrement from falling off, allowing for easy handling and disposal, enhancing convenience during daily walks by enabling the device to be hung on a neck or wrapped around a pet.
Implementation Method 1
a spring is sleeved inside the guide groove... the spring pushes the inner sleeve to move upward
Implementation Method 2
the clamping jaw is in friction connection with the inner side of the first lug
Data Source
AI summary
The present disclosure relates to the technical field of pet excrement cleaning, and discloses a pet excrement cleaning device. The pet excrement cleaning device comprises an inner sleeve, and an outer sleeve is provided on an outer side of the inner sleeve. In the pet excrement cleaning device, a garbage bag can be accommodated inside the inner sleeve and an inner sleeve upper cover, the garbage bag can be drawn out from a through-hole of the inner sleeve, and the inner sleeve can be pulled upward by means of a pull handle; in the process of moving, the inner sleeve and the connection rods on the outer side drive clamping jaws to turn over, achieving the clamping operation; springs are provided between the inner sleeve and the outer sleeve to reset the inner sleeve, such that the clamping jaws are always in an open state without external force.