| 摘要 |
A checking hole for a bathtub is provided to maintain a beautiful exterior of the bathtub and to improve convenience in use by preventing generation of a gap between a door and the checking hole by forming so that a door is opened after being entirely separated from the checking hole. A checking hole for a bathtub includes: a frame(12) fixed to the checking hole; guide rails(13) mounted on upper and lower parts of one side of the frame; a guide plate(21) movably connected to the guide rail; a door(20) connected to the guide plate by a hinge; a cylinder(23) protruded to the rear of the door and rotated by a key; an operation piece(30) fixed to the cylinder, and locked to one side of the frame when being horizontally rotated; a link(31) coupled to the operation piece by a pin(34); and a fixing pole(32) connected to a hole(32a) of the guide plate by being coupled to the link by the pin, and horizontally moving by penetrating support pieces(33) fixed to a door frame(20b). |
