Air pump
The utility model discloses an air pump comprising an upper cover, a valve seat and valve plates. An air outlet is formed in the upper cover, the valve seat is arranged at the bottom of the upper cover, air inlets are formed in the valve seat, an air inlet chamber and an air outlet chamber are defin...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The utility model discloses an air pump comprising an upper cover, a valve seat and valve plates. An air outlet is formed in the upper cover, the valve seat is arranged at the bottom of the upper cover, air inlets are formed in the valve seat, an air inlet chamber and an air outlet chamber are defined between the valve seat and the upper cover, the air inlet chamber is communicated with the air inlets, the air outlet chamber is communicated with the air outlet, the air inlet chamber and the air outlet chamber are communicated through a communication channel, and the valve plates are movably arranged at the air inlets so as to open and close the air inlets. According to the air pump, through the communication channel arranged between the air inlet chamber and the air outlet chamber, working noise of the air pump is lowered effectively, and product quality is improved. |
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