Rotary umbrella seat for an umbrella

A rotary umbrella seat for an umbrella, comprising:

• a rotary base;
• a sleeve welding piece fitted through the rotary base;
• and
• a pedal component attached to the rotary base;
• wherein,
• the sleeve welding piece comprises a sleeve connected to a base plate;
• the sleeve is vertically post disposed in the middle of the base plate;
• the rotary base is sleeved outside the sleeve and located above the base plate, the rotary base is a circular base with a hole formed in a center of the rotary base and has a cylindrical boss formed at the hole;
• a lower end of a column of the umbrella is slid over the sleeve and rest on the rotary base;
• the pedal component comprises a pedal connected to a pedal shaft;
• the pedal is resetably and rotatably attached to the top of the rotary base;
• the base plate has a plurality of positioning holes, the pedal shaft passes through the rotary base and is inserted into one of the positioning holes on the base plate, the pedal shaft is disengaged from the base plate when the pedal is pressed down during the rotation of the pedal, the pedal shaft is engaged to the rotary base when the pedal is released;
• a lower end of the sleeve passes through an inner hole of the boss and is fixed to the base plate;
• a seat tube plug is disposed at the opening position on a top of the sleeve, and a rotary block is sleeved on an upper end of the sleeve;
• and
• the rotary block rotates with the column, and is rotatably sleeved on the upper end of the sleeve and is covered by the seat tube plug.