A Deep Dive into Floor Drain Structure: What to Know for Installation and Mainte

The floor drain functions like a garbage filter, separating waste and sewage from clean water in areas such as bathrooms and kitchens. However, few people are aware of the structure behind floor drains. So, what is the structure of a floor drain like?

The Structural Design of Floor Drains: Everything You Need to Know

The structure of a floor drain includes a sealing ring, an anti-odor core, a lock head, a filter mesh, a strainer, and a sieve. Its main function is to direct drainage to the sewer system while preventing foul odors from flowing back into the room.

1. Sealing Ring of the Floor Drain

The sealing ring of the floor drain is also known as the anti-odor ring or the anti-odor trap. It is a crucial part of the floor drain. The primary function of the sealing ring is to prevent foul odors and pests from flowing back into the room through the floor drain. This is achieved by creating a small water trap between the cover and the bottom of the cover, which blocks gas from passing through. During use, we need to regularly add water to maintain the water level in the trap.

2. Anti-Odor Core of the Floor Drain

The anti-odor core is another important component of the floor drain. Its main function is to assist the sealing ring in preventing the backflow of foul odors. The anti-odor core is typically installed at the center of the floor drain and is shaped like a cone or a circle. The top of the core has a drainage outlet that allows water to flow smoothly into the sewer while also preventing foul odors from reversing course.

3. Lock Head of the Floor Drain

The lock head of the floor drain, often referred to as the floor drain cover, is the most visible part of the entire assembly. The primary function of the lock head is to prevent large debris or trash from entering the floor drain, which could obstruct water drainage. Additionally, the lock head serves a decorative purpose, enhancing the appearance of the room's floor.

4. Filter Mesh and Strainer of the Floor Drain

The filter mesh and strainer are two other key components of the floor drain, responsible for preventing smaller debris and waste from entering the drain. This helps to prevent any blockage, ensuring the drain operates normally. The filter mesh is usually located at the top of the floor drain, while the strainer is typically found inside the drain.

5. Sieve of the Floor Drain

The sieve is the final part of the floor drain structure, located at the very bottom, directly connected to the sewer. The main function of the sieve is to prevent large volumes of water from surging in at once, which could lead to sewer blockages. Additionally, the sieve also blocks larger debris from entering the sewer.

In summary：this provides an overview of the structure of the floor drain. The design of the floor drain’s structure is closely related to its functional use. A seemingly trivial object showcases the remarkable ingenuity of human design. Understanding the construction of floor drains not only helps us more effectively address common issues such as blockages and overflow but also reminds us to pay attention to every detail in our daily lives.