Connection structure of ball valve of control valve for draining water out of water sink

A connection structure of a ball valve of a control valve for draining water out of a water sink comprising:

• a body, a filtration cap, the ball valve, a handle bar, and a positioning ring;
• wherein the body is a hollow tube, and the body includes a first connecting portion formed on a top thereof and configured to connect with the filtration cap, a second connecting portion formed on a bottom of the first connecting portion in a vertical direction of the body and configured to accommodate the ball valve, a coupling portion extending horizontally along the second connecting portion, and a fixing portion formed on a bottom of the second connecting portion;
• wherein the filtration cap includes multiple filtering orifices defined therein and configured to guide the water into the body;
• wherein the ball valve is spherical and is received in the second connecting portion from a bottom of the body, wherein the ball valve includes a guide orifice passing therethrough, a connection portion extending along a horizontal direction of the guide orifice, wherein the handle bar is inserted into the coupling portion and connected with the connection portion so that the ball valve is engaged by the handle bar to be turned on/off;
• and
• wherein the positioning ring is received in the fixing portion from the bottom of the body, and the ball valve includes a washer fixed between the ball valve and the positioning ring to avoid a water leakage of the body;
• wherein an inner diameter of the second connecting portion is smaller than an outer diameter of the ball valve, and an outer diameter of the positioning ring is smaller than an inner diameter of the bottom of the body so that the positioning ring and the body are detachable easily to obtain easy maintenance, and the ball valve and the positioning ring do not accommodate the dirt.