Abstract: A hand-held massage device includes a housing, a first turning plate, a second turning plate, an output rod, and a driving assembly. The housing includes an opening. The first turning plate is accommodated in the housing. The first turning plate has a concave-convex surface. The second turning plate is disposed between the opening and the first turning plate. The output rod is inserted in the second turning plate and rotated with the second turning plate. One end of the output rod is inserted to the opening and another end is abutted to the concave-convex surface. The driving assembly is connected to the first turning plate and the second turning plate. The driving assembly drives the first turning plate to rotate, drives the second turning plate to rotate or simultaneously drives the first turning plate and the second turning plate to rotate.

Abstract: A tap tool holder for a tap tool is disclosed. The tap tool has a cylindrical body and a tap extended from the cylindrical body. The tap tool holder includes a bracket sleeve for inserting the tap and a positioning collar. An annular inner step is formed in one end of the bracket sleeve. The positioning collar is carried on the annular inner step. The positioning collar has an outer ring wall, and the outer ring wall is attached to the annular inner step. The positioning collar has an inner ring wall, and a shape of the inner ring wall corresponds to an outer side wall of the cylindrical body so as to sleeve the cylindrical body. With the positioning collar that can be replaced corresponding to tap tools, tap tools of various sizes can be positioned in the bracket sleeve to facilitate tapping.

Abstract: A hand-held massage gun and conversion mechanism thereof are disclosed. The hand-held massage gun includes a massage gun body and a conversion mechanism. The massage gun body includes an output rod. The conversion mechanism includes a hollow shell, a movable block and return springs. The hollow shell is detachably connected to the massage gun body, and two ends of the hollow shell are provided with an opening and a long hole. The movable block is accommodated in the hollow shell. The movable block has an inclined surface, an abutting portion and a linkage rod inserted in the long hole. The output rod is inserted in the opening and abutted against the inclined surface. The return springs are elastically supported between the hollow shell and the abutting portion.