JPH0362159U - - Google Patents

Description

[Brief explanation of drawings]

Fig. 1 is a cross-sectional view showing an embodiment of the automatic faucet according to this invention, Fig. 2 is a side view of the same with the casing cut away, and Fig. 3 is a cross-sectional view showing an embodiment of the automatic faucet according to this invention. FIG. 4, which is a sectional view of the main part of the regulating valve, is a sectional view of the manual switching mechanism when the manual water supply channel is open. FIG. 5 shows a similar cross-sectional view with the manual water supply channel closed. FIG. 6 is a perspective view of the latch, and FIG. 7 is a schematic front view of the cam groove. 3...Water flow path, 4...Hot water flow path, 5...Adjustment valve, 6...Common flow path, 7...Solenoid valve, 9...Automatic water supply flow path, 10...Water supply port, 12 ...Hand sensor, 13...Access sensor, 19...External operation knob, 22...Manual water supply channel, 23...Opening/closing valve, 24...Knob shaft, 26...Top operation knob, 27...Knot type Operation button, 35...adjustment valve.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) An automatic water faucet in which a hand sensor installed near the water inlet controls the opening/closing of a solenoid valve provided in the flow path leading to the water inlet, which has a detection distance greater than that of the handle sensor. , an automatic water faucet in which an access sensor that detects the approach of a human body is installed on the front of the faucet, and a voice, acoustic, etc. notification circuit is activated in response to the outputs of the two types of sensors. (2) The automatic water faucet according to claim 1, which has an announcement function to notify that the faucet is an automatic faucet by sensing a human body by an access sensor. (3) It has a flow path that separately receives hot water and water sent from the supply source, and a regulating valve that adjusts the mixing ratio of the two is installed in the flow channel before the solenoid valve, and this regulating valve can be operated externally. The automatic water faucet according to claim 1 or 2, which is operable by. (4) It has an automatic water supply channel that is opened and closed by opening and closing a solenoid valve, and a manual water supply channel that reaches the water supply port regardless of the solenoid valve, and a part of the manual water supply channel has an on-off valve that can be operated externally. The automatic water faucet according to claim 1, 2 or 3, further comprising: (5) A control valve that adjusts the opening of the flow path is provided in the middle of the flow path from the confluence of the automatic water supply flow path and the manual water supply flow path to the water supply port, and is linked to the rotation of the upper operating knob. The automatic water faucet according to claim 1, 2, 3 or 4. (6) An on-off valve for the manual water supply flow path is provided at the end of the knob shaft, and each time the knob type operation button provided at the top of the upper operating knob is pressed, the knob shaft is moved to the bottom dead center,
5. The automatic water faucet according to claim 4, wherein the upper operating cock has a built-in latching mechanism that opens and closes the flow path by temporarily securing it at the top dead center.