Sports teaching badminton storage device
A storage device and badminton technology, applied to distribution devices, packaging objects under special gas conditions, packaging, etc., can solve the problems of non-adjustable increase in humidity, difficulty in taking the tail, and high increase in humidity, etc., to achieve simple structure and easy removal , the effect of convenient operation
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[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0020] see Figure 1-2 As shown, a badminton storage device for physical education includes a cylinder 16, and an installation chamber 3 is provided at the bottom end of the cylinder 16. A cavity 18 is installed in the installation chamber 3, and a piston is arranged in the cavity 18. Rod 4, the exhaust end of the cavity 14 is connected with an air outlet pipe 20 with an air valve 19 to facilitate the discharge of gas in the cavity 18, and the bottom end of th...
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