Connector for stick

Abstract

The present invention proposes a locking mechanism for poles. The locking mechanism includes a support rod, inserted into a first unit shaft at a first end thereof and locked to a second unit shaft at a second end thereof, with threads formed around the outer circumferential surface thereof; and a pressure locking unit movably engaged with the threads of the support rod and having longitudinal slits formed to open in one direction and at least two pressure parts formed in a longitudinal direction. The locking pressure of the pressure locking unit is imposed on the unit shafts at multiple longitudinally spaced points, thus dispersing or distributing the locking strength in the longitudinal direction and increasing both the locking strength and the resistance against both longitudinal compressive force and longitudinal tensile force, thereby preventing the locked unit shafts from suddenly slipping towards each other.

1 . A locking mechanism for poles, comprising:
 a support rod inserted into a first unit shaft at a first end thereof and locked to a second unit shaft at a second end thereof, with threads formed around part of an outer circumferential surface of the support rod;   and a pressure locking unit movably engaged with the threads of the support rod through screw-type engagement, with at least one pair of longitudinal slits formed in the pressure locking body such that the slits are open in one direction, and with two or more pressure parts formed in the pressure locking body in a longitudinal direction, wherein the pressure locking unit comprises:   a pressure locking body, with at least one pair of first slits and at least one pair of second slits formed in upper and lower ends of the pressure locking body such that the first and second slits are open upwards and downwards, respectively, wherein   the pressure locking body is provided with annular-shaped first and second pressure parts around upper and lower edges thereof   
     
     
         2 . The locking mechanism for poles according to  claim 1 , wherein the support rod is provided with threads formed around an outer circumferential surface thereof, a tapered shoulder part formed at a location above the threads, and a wedge part formed in a lower portion of the threads and having a tapered outer circumferential surface, the pressure locking body is movably engaged with the threads of the support rod through screw-type engagement, and is provided on a portion of the inner circumferential surface thereof having the first slits, with a first tapered seat part so as to correspond to the tapered shoulder part of the support rod, and is provided on another portion of the inner circumferential surface thereof having the second slits with a second tapered seat part so as to be in contact with the tapered shoulder part of the wedge part.