JP4713725B2 - Faucet device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a faucet device that is attached to a wash basin or a sink and can be operated manually or automatically.
[0002]
[Prior art]
Conventionally, as a faucet device that can be operated either manually or automatically by a faucet attached to a wash basin or a sink, FIG. 1 and FIG. 7 (a), (b)). Briefly describing FIGS. 7A and 7B, the hot and cold mixing tap 31 accommodated in the wash basin 30 has a water pipe 32 and a hot water pipe 33 connected to the inlet side to adjust the temperature of the hot water. The operation part 34 is provided exposed above the wash basin 35, and a water flow pipe 38 connected from the hot water / mixing tap 31 to the water discharge pipe 36 above the wash basin 35 branches into a first pipe 39 and a second pipe 40. The first pipe 39 is equipped with an electromagnetic valve 41 and connected to the water discharge pipe 36, and the second pipe 40 that bypasses the electromagnetic valve 41 and connects to the first pipe 39 is manually disposed above the basin 35. An opening / closing valve 42 that is opened and closed by an operation unit 43 is mounted, and a human body detecting means 37 that controls opening and closing of the electromagnetic valve 41 by detecting hand insertion is attached to the water discharge pipe 36. Stops opening and closing the solenoid valve 41 by the detection signal In the case of normal hand-washing, the electromagnetic valve 41 is opened by pushing the hand to the human body detection means 37 attached to the water discharge pipe 36, and hot water is supplied from the water discharge pipe 36. For example, when washing the reservoir, the function of the automatic faucet is temporarily stopped by manually turning the changeover switch 44 from on to off, and the on-off valve 42 is opened and closed by operating the manual operation unit 43. The water can be discharged or stopped at will.
[0003]
In the case of the above, it is convenient to use the sensor when washing hands and face with the wash basin, because water is frequently discharged and stopped, and when water is stored in the container for a long time. Since the water discharge continues, manual operation is convenient, and both automatic and manual operations are possible depending on the application, but this automatic faucet is a manual faucet that performs water discharge and water stoppage only manually. Since there is no compatibility, it is necessary to prepare a dedicated faucet device, and there are many parts and management problems.
[0004]
[Problems to be solved by the invention]
The problem to be solved by the present invention is to make it possible to share a manual faucet part and an automatic faucet part in a faucet device used in a wash basin or a sink, thereby reducing costs. .
[0005]
[Means for Solving the Problems]
In the faucet device of the present invention, a faucet body that adjusts the temperature and flow rate of hot water by operating an operation lever and a mixed faucet composed of a water discharger are attached to a wash basin or a sink. The water supply pipe for introducing water and the hot water supply pipe for introducing hot water are connected, the water discharge part and the faucet body are connected by a connection pipe, the water supply pipe and the connection pipe are connected by a bypass pipe, and the bypass pipe is connected. mounting the solenoid valve, provided human body detection means for human body detection in the washbasin or sink, the performed water discharge and water shut-off of the water discharge portion by opening and closing the solenoid valve by the human body detection signal from the human body detection means, manual control lever Water discharge and water stop from the water discharge part of hot water supplied through the faucet body by operation are performed.
[0006]
According to a second aspect of the present invention, a change-over switch for turning on / off the human body detecting function of the human body detecting means is provided.
[0007]
According to a third aspect of the present invention, the selector switch is provided at the base end portion of the operation lever.
[0008]
According to a fourth aspect of the present invention, the changeover switch is provided on a cap attached so as to cover the base end portion of the operation lever.
[0009]
In Claim 5, a human body detection means is provided in the water discharging part.
[0010]
According to the sixth aspect of the present invention, the changeover switch is provided integrally with the human body detection means.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
5 and 6 show a wash basin 1 and a mixing faucet 8 that are generally used conventionally. The wash basin 1 is installed along the wall of the room, and the counter 3 is fixed to the upper surface of the cabinet 2. A ball 4 is mounted on the counter 3. The ball 4 is provided with a drain outlet 5 for draining hot water at the substantially center of the bottom surface, and a back guard 6 having a vertical surface 7 formed toward the ball 4 is provided behind the counter 3, and the vertical surface 7 of the back guard 6 is provided. The mixing faucet 8 attached to the basin is composed of a water discharge part 9 capable of discharging hot water toward the ball 4 and a faucet body 13 for supplying hot water to the water discharge part 9, and is attached to each side with a space left and right. Yes.
[0012]
The faucet body 13 is connected to a water supply pipe 16 and a hot water supply pipe 17 that are vertically raised from the respective stop cocks 15, 15 at the lower part of the counter 3, and water supplied from the water supply pipe 16 and the hot water supply pipe 17. , Hot water is mixed with an appropriate amount of hot and cold water by operating the operation lever 14 attached to the front and left and right and up and down, and this mixed hot water is attached to the lower part of the faucet body 13 to It is sent out to the connecting pipe 12 that hangs downward.
[0013]
The water discharger 9 includes a shower head 11 and a holder 10 that supports the shower head 11. The holder 10 protrudes from the vertical surface 7 of the back guard 6 toward the front ball 4 and slides forward with respect to the vertical surface 7. The inside is freely cylindrical with the connecting pipe 12 inserted therethrough, and a shower head 11 connected to the connecting pipe 12 is supported to be drawn out at the opening at the tip.
[0014]
When washing the hand or face or washing the hair using the mixing faucet 8, the operation lever 14 of the faucet body 13 is operated and water is discharged from the shower head 11 supported by the holder 10. At this time, the hair can be easily washed by pulling the shower head 11 together with the connecting tube 12 from the holder 10.
[0015]
In the present invention, the normal water faucet mounted on the wash basin as described above is used as it is, and automatic water discharge is enabled not only by manual operation but also by human detection of the sensor.
[0016]
That is, as shown in FIGS. 1 and 2, the water supply pipe 16 is a first branch pipe for directly connecting a water passage between the water stop cock 15 and the connection pipe 12 as well as the faucet body 13. 18 is attached, a solenoid valve 19 is attached to the first branch pipe 18, a second branch pipe 20 is also attached to the connecting pipe 12, and the solenoid valve 19 and the second branch pipe 20 are connected by a bypass pipe 21. ing. In this way, the bypass pipe 21 can supply water directly to the connection pipe 12 between the water supply pipe 16 and the connection pipe 12 without passing through the faucet body 13 of the mixing faucet 8. However, even if the operation lever 14 is operated and the water is stopped, water can be supplied from the water supply pipe 16 to the connection pipe 12 as long as the electromagnetic valve 19 is open.
[0017]
A human body detecting means 22 is provided between the faucet body 13 attached to the back guard 6 and the holder 10, and the human body detecting means 22 is provided with a sensor 23 and a changeover switch 24. When the sensor 23 detects an object such as an extended hand, the sensor 23 sends the detection signal to the control unit 26 attached to the lower portion of the counter 3 via the electric cord 25. On the basis of the detection signal, the opening and closing of the electromagnetic valve 19 is controlled via the electric cord 25, and water supplied from the shower head 11 is discharged and stopped through the bypass pipe 21 and the connecting pipe 12.
[0018]
The change-over switch 24 stops the detection function in order to prevent the sensor 23 from sensing an object unintentionally by the user and causing the water to unexpectedly sprinkle and soak clothing. When the switch 24 is on, water can be discharged or stopped based on the detection of the sensor 23. However, when the switch 24 is turned off, the electromagnetic valve 19 can be always closed, and the sensor 23 detects the object. However, the solenoid valve 19 remains closed so that water is not discharged suddenly. It should be noted that the mounting position of the human body detection means may be anywhere as long as it is adjacent to the mixing faucet, and may be mounted at a position away from the sensor and the changeover switch. For example, as shown in FIGS. The changeover switch 24a may be provided on a cap 14a that is provided at a position facing the ball 4 at the base end portion of the holder 10 and is attached so as to cover the base end portion of the operation lever 14.
[0019]
According to the present invention, for example, when water is stored in a container or the like by manual operation or the hair is washed, the water discharge state is continued for a long time. Therefore, the operation lever 14 of the faucet body 13 is operated in the water discharge direction and is supported by the holder 10. This is performed by discharging hot water from the shower head 11. In this case, water or hot water can be supplied to the faucet body 13 through the water supply pipe 16 and the hot water supply pipe 17 regardless of whether the changeover switch 24 of the human body detection means 22 is on or off. It is possible to discharge hot and cold water.
[0020]
Next, when water is automatically discharged and stopped using the sensor 23, the changeover switch 24 of the human body detection means 22 is turned on so that the electromagnetic valve 19 is opened and closed. For example, in order to perform hand washing, face washing, and the like in this state, an object such as a hand is inserted and detected by the sensor 23 so that a detection signal is sent from the electric cord 25 and the control unit 26 to the electromagnetic valve 19 and the bypass pipe 21 is connected. The passing water is supplied to the connecting pipe 12, and water is supplied from the shower head 11 to the outside.
[0021]
At this time, not only automatic operation but also manual operation is possible. If the operation lever 14 of the faucet body 13 is operated in the direction of water discharge, hot water can be discharged from the shower head 11.
[0022]
In the embodiment of FIGS. 3 and 4, the sensor is provided at a position facing the ball by the holder of the water discharge part, and the changeover switch is provided on the cap attached so as to cover the base end of the operation lever. If only the holder is replaced, an automatic faucet can be configured, the number of parts does not need to be increased significantly, sensing can be performed reliably, and the operation of the changeover switch and the operation lever can be performed continuously, improving operability. It will improve.
[0023]
【The invention's effect】
In the present invention, in claim 1, a faucet body that adjusts the temperature and flow rate of hot water by operating an operation lever is mounted on a wash basin or a sink, and a mixed faucet composed of a water discharge portion is installed, and water is introduced into the faucet body. The water supply pipe to be connected to the hot water supply pipe to which hot water is introduced, the water discharge part and the faucet body are connected by a connection pipe, the water supply pipe and the connection pipe are connected by a bypass pipe, and a solenoid valve is attached to the bypass pipe In addition, a human body detecting means for detecting a human body is provided in the wash basin or sink, and the electromagnetic valve is opened and closed by a human body detection signal from the human body detecting means to discharge and stop the water discharge portion, and the faucet is manually operated by the operation lever. Water was discharged and stopped from the water discharger supplied through the main body . Thus bypass tube utilizing water mixing by existing manual as it effectively enables automatic water discharge using sensor only adds solenoid valve and the human body detecting means, greatly improves the operability of the water faucet device In addition, the increase in the number of parts can be suppressed, and an automatic faucet can be configured with a simple configuration.
[0024]
According to a second aspect of the present invention, a change-over switch for turning on / off the human body detecting function of the human body detecting means is provided. Therefore, when the change-over switch is turned off, the solenoid valve can be closed at all times, and the sensor detects an object without the user's intention, causing water to unexpectedly sprinkle and flooding clothes and the like. It can be surely prevented.
[0025]
According to the third aspect, since the changeover switch is provided at the base end portion of the operation lever, in addition to the above effects, a series of operations of the changeover switch operation and the operation lever operation can be performed continuously. improves.
[0026]
According to claim 4, since the changeover switch is provided on the cap that covers the base end portion of the operation lever, in addition to the above effect, the changeover switch need only be increased in number of caps. An automatic faucet can be constructed without an increase.
[0027]
According to the fifth aspect, since the human body detecting means is provided in the water discharge portion, in addition to the above effect, an automatic water faucet can be configured only by changing only the water discharge portion, and sensing can be performed reliably.
[0028]
According to claim 6, since the changeover switch is provided integrally with the human body detection means, in addition to the above effects, only one of these mounting portions is required, and the assembly workability is improved and the number of parts is reduced. Cost reduction.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a state in which a faucet device of the present invention is mounted on a bathroom vanity.
FIG. 2 is a front view showing a state in which the faucet device of the present invention is mounted on a bathroom vanity.
FIG. 3 is a perspective view of a state in which the human body detection means is another embodiment in FIG. 1;
4 is a longitudinal sectional view of the faucet body of FIG. 3 attached to a back guard.
FIG. 5 is a perspective view of a state in which an existing faucet device is attached to a vanity. FIG. 6 is a front view of an state in which an existing faucet device is attached to a vanity. (A) is a front view, (b) is a side view.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Wash basin 8 Mixing faucet 9 Water discharge part 12 Connection pipe 13 Faucet body 14 Operation lever 14a Cap 16 Water supply pipe 17 Hot water supply pipe 19 Electromagnetic valve 21 Bypass pipe 22 Human body detection means 24, 24a Changeover switch

Claims (6)

A faucet body that adjusts the temperature and flow rate of hot water by operating the operation lever and a mixing faucet that consists of a water discharge part are attached to the wash basin or sink. Connect the hot water supply pipe to the water faucet and the faucet body with a connection pipe, connect the water supply pipe to the connection pipe with a bypass pipe, attach a solenoid valve to the bypass pipe, and detect the human body in the sink or sink Hot water supplied through the faucet body by manual operation of the operation lever, with a human body detection means for performing water discharge and water stoppage of the water discharge section by opening and closing the electromagnetic valve by a human body detection signal from the human body detection means A water faucet device that discharges and stops water from a water discharge portion .   2. The faucet device according to claim 1, further comprising a changeover switch for turning on and off the human body detection function of the human body detection means.   The faucet device according to claim 2, wherein a changeover switch is provided at a base end portion of the operation lever.   The faucet device according to claim 3, wherein the changeover switch is provided on a cap that is attached so as to cover a base end portion of the operation lever.   The faucet device according to any one of claims 1 to 4, wherein the human body detection means is provided in the water discharge section.   The faucet device according to claim 2, wherein the changeover switch is provided integrally with the human body detection means.

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