| 摘要 |
A connection assembly has a body, a connecting tube and a sealing base. The body is hollow and has a connection portion. The connection portion has a connection base having a front face and two engaging channels. The engaging channels are defined in the front face and face to each other. The connecting end with a suction tube is detachably attached to the front face of the connection base, communicates with the connection portion and has a connection plate. The connection plate held slidably in the engaging channels in the connection base. The sealing base is mounted detachably on the connection portion and has a sealing face and a guiding channel. The sealing face is flush with the front face of the connection base. The guiding channel is defined around the sealing face and communicates with the engaging channels in the connection base. |
