Stick-used stageless adjusting device

An adjustable stick device comprising an upper fitting tube and a lower fitting tube fitted into the upper fitting tube, a stageless adjusting device being disposed at the top end of the lower fitting tube and comprising a movable body and a brake body, the movable body including upper and lower frusto conical bodies, each of said bodies having a major and minor circular base;

• and a threaded rod connected between the conic bodies, the minor circular bases of the conic bodies being opposite to each other, a cylindrical insertion section being disposed at the major base of the lower frusto conical body, the brake body being cylindrical and having an annular groove on the outer circumference for a rubber ring to insert therein, each half of said brake body being disposed with a thread for screwing with the threaded rod of the movable body, whereby when counter clockwise or clockwise rotating the lower fitting tube, the two halves of the brake body are outwardly expanded by the conic minor bases of the frusto conical bodies to press against the inner circumferential wall of the upper fitting tube so as to firmly fix the lower fitting tube with the upper fitting tube.