| 摘要 |
A hot/cold water flowrate control device, including a casing having a cold water inlet and a hot water inlet respectively connected a hot/cold water supply system and defining a ball socket, a hollow ball cap fixed to the casing, a ball valve mounted in the ball socket and having a neck extending out of the ball cap and a stepped locating groove on the outside, the stepped locating groove having a deep sliding groove section in the middle, two deep locating groove sections at two opposite sides, and two shadow borderline groove sections disposed between the deep sliding groove section and the deep locating groove sections, a water outlet pipe connected to the neck outside the ball cap, a spring-supported locating rod mounted in the ball socket and moved in a stepped locating groove in the periphery of the ball valve, wherein water is stopped from passing to the water outlet pipe when the locating rod is forced into engagement with one of the locating groove sections of the stepped locating groove; the cold (hot) water inlet of the casing is connected to the water passage of the ball valve and the hot (cold) water inlet is disconnected from the water passage of the ball valve when the locating rod is moved in the sliding groove section to one side thereof.
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