JPH01150666U - - Google Patents

Description

[Brief explanation of the drawing]

The drawings show an embodiment of the drainage port structure of the waterproof pan of the present invention. Fig. 1 is a plan view of the first embodiment with a part cut away, and Fig. 2 is an enlarged sectional view taken along line 2-2 of Fig. 1. ,
FIG. 3 is an enlarged sectional view taken along the line 3-3 in FIG. 1, and FIG. 4 is a partially cutaway plan view of the main parts of the second embodiment.
FIG. 5 is an enlarged sectional view taken along the line 5--5 in FIG. 4, and FIG. 6 is a vertical sectional view of the conventional example. In the figure, A: waterproof pan, _A2 : washing area floor, 9
: Drain plate, 8: Drain port, 8a: Lid mounting step, 11
: Lid plate, 12: Drain pit, 10: Water flow gap.

Claims (1)

[Scope of utility model registration request] In a waterproof pan drain structure in which a drain provided on the floor of the washing area is covered with a cover plate leaving a gap for water to flow, the cover plate is placed on the cover mounting step that is stepped lower on the inner surface of the drain. A drain structure for a waterproof pan, characterized in that a drain pit is formed on a lid plate with the upper surface lower than the edge of the drain outlet.