| 摘要 |
The invention is a manual pump designed to de-block congestions in water siphons in lavatories, tubs and kitchen sinks commonly available in houses, offices and residences, incorporating: a pump body (3) having a cylindrical structures of bellows, a round water filling intake (1) located on top of this pump body (3) and billow flaps on sides (4) and in addition, there are a valve body (8) positioned under this pump body (3) and valve cover (7) mounted to this valve main body as well as a round shaped rubber impermeability gasket (5) providing impermeability by installing it between this valve body (8) and pump body (3) including a valve cover (7) and a valve cover spring (6) located under the oumo body (3). |
