How to design a more reasonable toilet?

The toilet is a part that relaxes the body and mind when it is convenient, and the cover and seat in the toilet play a vital role. A good toilet can sit on the seat comfortably and conveniently, and a good toilet cover can be placed on the toilet seat at the convenience of people, so that people can avoid the odor when flushing. How does the toilet cover and the toilet seat fit together? We together look!
The toilet cover is fitted on the top of the toilet seat; the top of the seat is provided with a curved surface that is convenient to sit on, and the bottom end of the cover is a curved surface that is convenient to lean on and is compatible with the curved structure of the toilet seat. The front curved surface is a structure with high front and rear ends and a low middle and rear part. The two-curved surface is a curved structure with low front and rear ends and high middle and rear. The middle and rear part of the front arc surface presents a three-arc surface that gradually rises from the front end, and the rear end to the middle and rear part of the front arc surface presents a four-arc surface structure that is gradually concave. The middle rear part to the front end of the two-curved surface is a fifth curved surface gradually concave, and the rear end of the two-curved surface structure is a sixth curved surface gradually downwardly convex; the bottom surface of the toilet seat is straight, The top surface is a straight surface structure.
By improving the top end of the toilet seat and the bottom end of the toilet seat, the top end of the toilet seat has a curved structure that matches the relevant parts of the human body, and the bottom end of the toilet cover also has the back of the human body. Compatible arc structure, the two arc structure is a arc structure with low front and rear ends and high in the middle and rear. This structure improves people's comfort when using the toilet.
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