Homemade Portable Toilet for the Elderly

The homemade portable toilet for the elderly can be created through simple material modifications, with the core design focusing on stability, odor resistance, and ease of cleaning. Here are the specific plans and principles:

---

I. Basic Structure Construction

1. Main Frame Selection
   • Prioritize using high-strength plastic buckets (e.g., 50L or larger) or metal buckets as the base to ensure load-bearing capacity. The bucket body should be smooth and free of sharp edges to avoid skin abrasions.
   • If additional stability is needed, install anti-slip rubber pads or wooden bases at the bottom of the bucket to prevent tipping during movement.
2. Toilet Seat Adaptation
   • Purchase a ready-made plastic toilet seat (e.g., a children's toilet seat) or cut an oval shape from a wooden board, round off the edges, and secure it to the bucket rim.
   • In rural cases, it is common to cut a toilet seat from used tires, utilizing the rubber's elasticity for enhanced comfort, but thorough cleaning and disinfection are required.

---

II. Functional Optimization Design

1. Odor Control and Sealing
   • Flip Cover Design: Install a lightweight, openable cover (e.g., acrylic) above the toilet seat to close and isolate odors after use.
   • Sealing Ring: Attach a rubber sealing strip at the contact point between the bucket rim and the toilet seat to reduce gas leakage.
   • Water Seal Principle: Some cases involve pre-injecting a small amount of clean water into the bucket to use the liquid surface to seal the pipes, but regular cleaning is necessary to prevent bacterial growth.
2. Cleaning and Waste Disposal
   • Garbage Bag Application: Place a large, thick garbage bag inside the bucket, and after use, simply tie it up and discard it to avoid direct contact with waste.
   • Removable Inner Bucket: If a double-layer structure is used, the inner bucket can be removed separately for cleaning, while the outer bucket only requires surface wiping, reducing cleaning difficulty.
3. Portability Improvements
   • Install handles or straps on both sides of the bucket for easy carrying; if frequent movement is needed, install universal wheels (with a fixing mechanism to prevent sliding).
   • In winter, wrap the bucket with insulating material (e.g., foam board) to prevent waste from freezing and affecting cleaning.

---

III. Safety and Comfort Considerations

1. Anti-Tipping Design: It is recommended to keep the bucket height between 40-50cm to avoid a high center of gravity when the elderly get up; if using a metal bucket, ensure even weight distribution at the bottom.
2. Assistive Support: Install handrails (e.g., PVC pipes) on both sides of the toilet seat to help the elderly get up; the handrail height should be adjusted according to the user's height.
3. Night Use: Stick glow-in-the-dark stickers on the bucket lid or frame, or equip it with a small LED light to prevent the elderly from bumping into things during nighttime toilet use.

---

IV. Materials and Costs

• Low-Cost Solution: Used plastic bucket (0 yuan) + wooden toilet seat (10 yuan) + garbage bags (5 yuan/month), with a total cost starting at around 15 yuan.
• Advanced Solution: Ready-made plastic toilet seat (20-50 yuan) + anti-slip rubber pad (10 yuan) + sealing strip (5 yuan), with a total cost within 50 yuan.
• Precautions: Avoid using glass or fragile materials; metal parts should be rust-proofed; regularly check the structural stability to prevent loose screws.