The utility model discloses a dustproof panel of a
handle lock in the technical field of
handle locks, which comprises a panel main body and a
handle, the handle is inserted into the side wall of the panel main body and can rotate on the panel main body, the side wall of the handle is provided with a receding groove, a
fingerprint sensor is arranged in the receding groove, the inner side wall of the receding groove is provided with a sliding groove, and the sliding groove is arranged in the sliding groove. The side wall of the handle is provided with a mounting groove, a clamping block is slidably mounted in the mounting groove, one end of a connecting
rope is mounted on the inner wall of the mounting groove, the other end of the connecting
rope penetrates through the side wall of the sliding groove to be connected with the side wall of the shielding plate, and one end of a spring is mounted on the side wall of the shielding plate. The
fingerprint sensor arranged in the device is arranged in the receding groove, and the shielding plate capable of sliding is further arranged in the receding groove, so that the
fingerprint sensor can be shielded through the shielding plate, and the situation that when the device is not used, the fingerprint sensor is exposed outside and polluted by dust, and the collection precision of the fingerprint sensor is affected is avoided.