Self-Cleaning Pet Bedpan With Detachable Rake and Odor Bin
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Solution Overview
Problem
Existing pet bedpans require manual removal of cat excrement, which can expose users to unpleasant odors and make cleaning the rake inconvenient due to its non-detachable design.
Innovation Solution
A pet bedpan with a movable shaft and detachable cleaning rake that collects excrement into a collection bin without direct user contact, and a foldable bin lid system for odor containment and easy disposal of waste.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the rake is made non-detachable to simplify structure, then device complexity is reduced, but cleaning difficulty increases and hygiene deteriorates
Solution Approach 1:
The rake is divided into a rake body and a rake handle that can be detached from each other. The rake body can be removed for cleaning while the handle remains in the device, resolving the contradiction between structural simplicity and cleaning accessibility.
2Device complexity
If manual excrement removal is used to simplify the device, then device complexity is reduced, but user exposure to odors increases and hygiene deteriorates
Solution Approach 1:
The device performs self-cleaning through an automated rake mechanism that collects excrement into a collection bin. The system serves itself by automatically removing waste without requiring user intervention, thereby eliminating odor exposure while maintaining relative structural simplicity.
3Ease of repair
If the rake is made detachable to improve cleaning ease, then cleaning ease improves, but device complexity increases
Solution Approach 1:
The rake is segmented into detachable components (rake body and handle) connected through a simple locking mechanism. This segmentation enables easy removal for cleaning while the connection structure remains straightforward, minimizing the increase in device complexity.
4Object-affected harmful factors
If automatic cleaning mechanism is implemented to reduce odor exposure, then hygiene improves, but device complexity increases
Solution Approach 1:
The automatic cleaning mechanism operates as a self-service system where the rake automatically collects excrement into a collection bin without user intervention. This reduces odor exposure while keeping the device complexity manageable through straightforward mechanical design.
Solution Approach 2:
The collection bin serves as an intermediary component that receives excrement from the rake and isolates it from the user. This mediator structure enables automatic cleaning functionality while managing device complexity by providing a dedicated containment space.
Data Source
AI summary
A pet bedpan includes a box body, and a cat litter area and a cat excrement area are arranged in the box body. A collection bin for collecting cat excrement is mounted in the cat excrement area, a bin lid capable of flipping up and down is arranged in the cat excrement area, and a movable shaft that moves back and forth is arranged in the cat litter area. A cleaning rake is arranged on the movable shaft, and two guide rail grooves are formed on an inner side wall of the box body to direct the movement of the movable shaft. The movable shaft drives the cleaning rake to move along the guide rail grooves, such that the cleaning rake separates the cat litter and the cat excrement in the cat litter area.