The utility model discloses a
grip strength training device which comprises a
grip strength air bag, connecting tables, clamping rings, an annular groove, a connector, a sealing cover, a mounting groove, a glue dripping cover, a sleeve, a center rod, a center ring, a center hole channel, side hole channels and marbles, the connecting tables are symmetrically arranged on the
grip strength air bag, the clamping rings are arranged on the inner walls of the connecting tables, and the clamping rings are connected in the annular groove in a sleeved mode; according to the utility model, the grip strength air bag made of the soft
rubber material is used as a stress structure of the product, the grip strength air bag is connected with the connector made of the hard
rubber material, the sleeve and the center rod to form a relatively closed closed environment, so that the holding resistance is provided through air pressure, and the marble in the sleeve freely rolls under the action of gravity; the whole structure is simple, a traditional spring structure is replaced, later maintenance is facilitated, meanwhile, the built-in marbles can make collision sound with the connecting head during quick gripping, the gripping speed can be distinguished according to the sound while the
finger force exerting is exercised, and the individual requirements of users are met.