| 摘要 |
A level-handled type automatic shutoff faucet structure includes an automatic shutoff valve made up of an outer cap, a water inlet valve, an inner stop valve, a central shaft, a water outlet valve, an adjustable piston, a fixing sleeve, a big spring, and a valve stem. The central shaft has a cylindrical hole for receiving the adjustable piston therein, and a thru-hole disposed at the bottom of the cylindrical hole thereof. The valve stem has a central adjusting cylinder to be respectively registered with the adjustable piston and the central shaft thereby, and a levelly flat stop face extending at the top surface thereon. Therefore, the distance between an adjusting section of the adjustable piston and the thru-hole of the central shaft can be accurately adjusted to regulate the time-length and the amount for water discharge, efficiently achieving the best application state thereof to prevent the waste of water resource.
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