the door lock with a clutch having a cam - styled axle sleeve comprises mainly of an outer lock part and an inner lock part , both the housings of the outer and the inner lock parts are provided with a handle to rotate the internal rotation axle thereof . the rotation axle of the outer lock part is provided thereon with the cam - styled axle sleeve ; the rotation axle of the inner lock part is further connected with a second rotation axle . the axle sleeve of the outer lock part is controlled for positioning and moving by a control device . when the axle sleeve is positioned , the rotation axle of the outer lock part and the second rotation axle of the inner one are separated . therefore , a dead bolt and a latch bolt protruding out of the door are not influenced by the rotation of the handle of the outer lock part ; when the axle sleeve is moved forwards , the second rotation axle of the inner lock is integrally connected with the axle sleeve to control extending / contracting of the dead bolt and the latch bolt on the door .