| 摘要 |
PURPOSE: A drainage trap of a bathroom drainpipe apparatus is provided to prevent the counter flow of offensive smells without installing a P-trap and to increase the drainage speed of sewage drained from a washstand and a bathtub. CONSTITUTION: A drainage trap (10) of a bathroom drainpipe apparatus comprises; a main wall plate (12) of a curved surface formed in a bathroom drainpipe apparatus not to exceed one half of the inner circumference of a bathroom drainpipe apparatus; a connecting pipe (11) formed on the center of the main wall plate (12) and fastened to a drainage inlet part of the bathroom drainpipe apparatus; a crescent-shaped bottom part whose one well-rounded corner is attached to the lower end of the main wall plate (12); a primary compartment plate (13) which is shorter than the length of the main wall plate (12), and attached to the both ends of the main wall plate (12) at the same height, and formed aside from the bottom part; a flexible secondary compartment plate (14) which is shorter than the primary compartment plate (13), and formed in a similar size with the width of the primary compartment plate (13), and attached on a whole concave corner in the rear end of the bottom part and the side ends of the main wall plate (12) and the primary compartment plate (13).
|
