Patent ID: 6926520

Claim:
An improved structure of a heater for an outdoor table having a base seat mounted with an isolation plate, a pair of semi-stacking male tubes with multiple corners and a screw nut with a circular press plate at a top end thereof, and two ends of the isolation plate are connected to a bottom inner edge of the base seat for securing and a center of the isolation plate is provided with a recessed sunken seat which is engageable with the multiple corners of the male tubes, and a center of the sunken seat is provided with a through hole for mounting with the semi-stacking male tubes and an external diameter of the male tubes is smaller than an umbrella hole on the table, and is engageable with the screw nut, thereby when the base seat is placed on the table, the male male tubes are inserted into the umbrella hole and the screw nut is mounted to the male tubes from a bottom of the table and a bottom edge of the base seat and the circular press plate clip an edged wall of the umbrella hole so that the heater is secured to the table.