High-gain miniaturized antenna

The utility model discloses a high-gain miniaturized antenna, and relates to the technical field of antenna cleaning. The patch antenna comprises a patch antenna body, the two sides of the bottom of the patch antenna body are fixedly connected with connecting installation bases, the tops of the connecting installation bases are provided with inserting holes, and inserting rods are inserted into the inserting holes. When the patch antenna cleaning device is used, the bottom end of an inserting rod needs to be inserted into an inserting hole, then one end of a connecting spring pushes an inserting block to enable the inserting block to enter an inserting groove, so that the inserting rod is fixed to a connecting mounting base, and when a patch antenna needs to be cleaned, a worker needs to start a cleaning electric push rod to enable the cleaning electric push rod to move downwards, so that the patch antenna is cleaned. When the patch antenna is cleaned, the inner top wall of the cleaning sponge cover is attach