Respiratory training device

• Main Authors: ZHU LEIFENG, SU WEIDONG, SHEN SHANMEI, MA YAN, MA BINXIN, LI SHENGUI
• Format: Patent
• Language: Chinese; English
• Published: 05.11.2021
• Subjects: AMUSEMENTS; APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING,CLIMBING, OR FENCING; BALL GAMES; GAMES; HUMAN NECESSITIES; SPORTS; TRAINING EQUIPMENT

The utility model relates to the technical field of respiratory training equipment, in particular to a respiratory training device which comprises a mouthpiece, a shell, an exhalation valve and an inhalation valve, the mouthpiece is connected with the shell, and air channels communicated with each other are arranged in the mouthpiece; at least two inwards-concave cavities are formed in the outer side wall of the shell, vent holes are formed in the bottom walls of the inwards-concave cavities of the shell, the vent holes are communicated with the air channel, a valve cover is arranged on each inwards-concave cavity, and the valve covers are in threaded connection with the positions, corresponding to the inwards-concave cavities, of the shell; the size of the area, communicated with the outside, of the inwards-concave cavity is changed by rotating the threads between the valve deck and the shell, a one-way valve block is arranged on the shell corresponding to the ventilation hole, and the one-way valve block is