Air bag air-inflating and air-pumping device

An air bag inflating device comprising:

• an air valve unit, an air pump unit and switching valve unit;
• wherein the air valve unit is connected to the switching valve unit and the switching valve unit is connected to the air pump unit;
• wherein the air valve unit comprises a plurality of air valve sets connected in parallel, and each of the air valve sets comprises one air bag, a first air valve and a second air valve;
• the air pump unit comprises an air pump, an air inlet port and an air exhaust port;
• the switching valve unit comprises one triple valve in parallel connection with the air valve unit and the air pump unit, a first port, a second port and a third port;
• wherein the first port is connected in parallel to one end of the first air valve and the air inlet port of the air pump unit, the second port is connected in parallel to one end of the second air valve and the air exhaust port of the air pump unit, and the third port is access to the atmosphere or air source of normal pressure;
• the air bag is connected between the other end of the first air valve and the other end of the second air valve;
• wherein the air pump functions by electricity, and the air bags inflate and deflate with the same air pump.