| 摘要 |
PURPOSE: A device for preventing bad smell from emitting from a drain port is provided to prevent bad smell from emitting regardless of the use of a device by closing a space using a hollow ball containing helium gas. CONSTITUTION: A device for preventing bad smell from emitting from a drain port comprises a flow guide cover(09), a hollow ball(03), and a body(07). Circular holes are respectively formed on the top, bottom, slope, and central part of the flow guide cover. Helium gas is filled in the inner space of the hollow ball and a silicone membrane(05) is coated on the outer surface of the hollow ball. An outer rubber case(06) is installed on the upper middle part of the body, a circular hook is installed on the lower middle part of the body, and impact absorbing rubber(08) is installed in the circular space of the body. |
