Homemade Non-Moving Dog Toilet

A homemade fixed dog toilet can be made non-moving through structural optimization and material selection. Common solutions include the mesh tray fixation method, the tray reinforcement method, and the smart flushing modification. The specific design should be chosen based on the dog's size, usage scenario, and budget.

1. 20-Yuan Mesh Tray Fixation Method: Low-Cost Anti-Slip Design

This method uses a mesh tray as the base, leveraging its weight and low center of gravity to prevent sliding. The mesh tray can be made of metal or plastic, with a diameter recommended to be 1.5 times the dog's body length (e.g., a 40-50cm mesh tray for medium-sized dogs) to ensure sufficient excretion area.
Steps:

1. Base Reinforcement: Attach anti-slip silicone pads (thickness ≥ 3mm) to the bottom of the mesh tray to increase friction with the ground; if the ground is smooth (e.g., tiles), use double-sided tape to fix the four corners of the mesh tray.
2. Filling Bedding: Fill the mesh tray with cat litter, wood pellets, or specialized urine pads, about 2-3cm thick, to absorb urine and reduce odors. Choose low-dust cat litter to avoid irritating the dog's respiratory tract.
3. Edge Treatment: If the edges of the mesh tray are low, use hot glue to attach PVC boards (height 5-8cm) around the edges to form a barrier and prevent urine from splashing out.
   Usage Scenario: Suitable for small dogs or indoor non-cage environments, this method is low-cost and easy to clean (simply replace the bedding).

2. Tray Reinforcement Method: Anti-Overflow Design for Caged Dogs

For caged dogs, the toilet needs to address issues such as rusty iron bars and urine overflow. This can be achieved by optimizing the tray structure for fixation.
Steps:

1. Tray Selection: Choose a stainless steel or thickened plastic tray (depth ≥ 10cm) that matches the size of the cage bottom to prevent urine leakage through gaps.
2. Anti-Slip Fixation: Attach Velcro (with hooks) to the bottom of the tray and corresponding Velcro (with loops) to the cage bottom to fix the tray through adhesion; or use metal brackets to clamp the tray inside the cage to prevent sliding.
3. Rust Prevention: If the cage is made of iron, apply anti-rust paint at the contact points between the tray and the bars, or place silicone pads to isolate urine corrosion.
   Usage Scenario: Suitable for dogs kept in cages long-term, this method requires regular cleaning of the tray (recommended once daily) to prevent bacterial growth.

3. Smart Flushing Modification: Automated Solution with a 50-Yuan Budget

For automatic flushing functionality, a water pump + sensor can be added to the fixed toilet to enable automatic cleaning after excretion.
Core Components:

• Micro Water Pump (12V DC, flow rate ≥ 2L/minute): Connects to a water source for flushing.
• Infrared Sensor: Detects when the dog leaves and triggers the water pump.
• Waterproof Box: Protects the circuit from short circuits.
  Modification Steps:

1. Drill a hole in the bottom of the fixed toilet (e.g., mesh tray or tray) and connect it to the outlet of the water pump.
2. Fix the sensor to the edge of the toilet and adjust the detection angle (to avoid false triggering).
3. Connect the water pump and sensor through a relay to achieve automatic control.
   Precautions: Regularly check the water pump and sensor to prevent malfunctions that may cause water accumulation; use a low-voltage adapter for the power supply to ensure safety.

Summary: The core of a fixed dog toilet is anti-slip, anti-overflow, and easy to clean. Depending on needs, you can choose the low-cost mesh tray method, the cage-specific tray method, or the smart flushing method. When making it, pay attention to material safety (e.g., avoiding sharp edges) and perform regular maintenance to extend its lifespan.