Draining-preventing device of pneumatic-and-electromotive driving valve

A draining-preventing device of a pneumatic-and-electromotive driving valve comprising a joint, a circular connecting tube locked to the joint, a pneumatically-and-electromotive driving valve engaged to a top surface of the joint;

• the joint having a receiving tube with a vertical inner ring which has a threaded surface;
• a center of the receiving tube being inserted by a driving shaft;
• a tightening sleeve being locked between the driving shaft and the receiving tube;
• a lower end of the tightening sleeve resists against a draining-preventing washer;
• the driving shaft being engaged with the pneumatic-and-electromotive driving valve, and a lower end thereof resisting against a ball valve, thereby, causing the driving shaft and the ball valve to rotate with the operation of the pneumatic-and-electromotive driving valve;
• characterized in that:
• a supporting frame extends upwards from two sides of the receiving tube while at other sides of the receiving tube, the supporting frame is hollowed;
• a top surface of the supporting frame has a horizontal tray;
• thereby, a top surface of the tray supports and is locked with the pneumatic-and-electromotive driving valve;
• a top surface of the tightening sleeve has an adjusting nut, and the adjusting nut protrudes out of an outer side of the receiving tube;
• and an outer edge of the tightening sleeve has a plurality of adjusting holes;
• and
• the adjusting nut of the tightening sleeve is adjustable by a hand tool so that the tightening sleeve presses the draining-preventing washer, thereby, no water will drain out.