| 摘要 |
The present invention relates to an intake valve for the floor of a central vacuum cleaning system, including: a first sleeve (110) which is coupled to an intake (30) of an intake pipe (20) connected to a central baghouse (10); a second sleeve which is tight-fit to the inside, and which is (120) formed with a socket hole (122); and a cap (140) coupled, capable of being open and shut, to the top of the second sleeve (120). Accordingly, the functionality and usability of the intake valve for floor of a central vacuum cleaning system can be improved. |
