JP2006144330A - Automatic faucet device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an automatic faucet device capable of preventing reduction in durability due to damage when electric wiring interferes with the other on the inner peripheral side of an annular member, when requiring to insert the electric wiring for connecting a human body detecting sensor and a control part into an inner peripheral side space of the annular member, when installing and fixing a body part of a faucet in and to a counter by using an installing device having an annular installing member. <P>SOLUTION: In this automatic faucet device, the body part 14 of the faucet arranged on the surface side of the counter, is installed in and fixed to the counter by the installing device 204 having the annular member 214. A wiring guide 234 is arranged on the inner peripheral side of the annular member 214 for holding and protecting the electric wiring 172 for connecting the upper side human body detecting sensor and the lower side control part of the counter in a guide hole 240 in an inserting state. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an automatic faucet device, and more particularly to an automatic faucet device in which a main body portion of a faucet disposed on the front side of a mounting base such as a counter is attached and fixed to a mounting base with a mounting device having an annular member.

Conventionally, there has been known a faucet device in which a main body of a faucet disposed on the front side of a mounting base such as a counter is mounted and fixed to a mounting base by a mounting device having an annular member in a mounting hole penetrating the mounting base. is there.
For example, this type of faucet device is disclosed in Patent Document 1 below.

FIG. 23 shows a specific example thereof.
In the figure, 300 is a main body of the water faucet, and a water discharge pipe 306 extends therefrom.
The water discharge pipe 306 has a water discharge head 306 </ b> B at the tip, and the water discharge head 306 </ b> B can be pulled out together with the flexible hose 308.
Reference numeral 304 denotes a single lever handle provided at the top of the main body 300.

Reference numerals 302 and 303 denote water and hot water supply pipes, each of which has an upper end connected to the main body 300 through a through attachment hole from the back side of the attachment base such as a counter.
From the main body 300, the mixed water outflow pipe 310 also extends downward through the mounting hole and to the back side of the mounting base, and the flexible hose 308 is connected to the end thereof. .

The hose 308 turns its direction upward, passes through the attachment hole again, is further inserted through the main body 300, and is connected to the water discharge head 306B.
Reference numeral 312 denotes an adapter device (mounting device) for mounting and fixing the main body 300 to the mounting base, and an annular adapter body (annular member) 314 disposed on the front side of the mounting base and a horseshoe-shaped disposed on the back side. It has a holder 316 and a male screw member 318 for fastening them.

This adapter device 312 can be mounted from the front side of the mounting base, and by screwing the male screw member 318 from the front side, the mounting base is clamped from both the front and back sides by the adapter main body 314 and the holder 316, thereby Device 312 can be attached to a mounting substrate.
Thus, the faucet body 300 can be attached and fixed to the front surface of the mounting base by assembling the faucet body 300 to the adapter body 314 from the front side of the mounting base.

In this water faucet device, the pair of supply pipes 302 and 303 and the outflow pipe 310 are inserted into a narrow space on the inner peripheral side of the annular adapter body 314.
23, the flexible hose 308 is also movably inserted into a narrow space on the inner peripheral side of the adapter main body 314.

  By the way, an automatic faucet that automatically discharges water based on human body detection by a human body detection sensor has been widely used. However, the automatic faucet is used as a hose-accommodating faucet and attached to a mounting base by an adapter device 312. When it is configured to be fixedly mounted, electrical wiring that connects the front side human body sensor and the control unit on the back side passes through the narrow space on the inner peripheral side of the adapter main body 314.

  In this case, when the automatic faucet device is attached or maintained, the electrical wiring may be damaged by interference with other parts in the narrow space on the inner peripheral side of the adapter main body 314, particularly as shown in FIG. In the case of such a hose-accommodating faucet device, that is, a faucet device in which the flexible hose 308 moves up and down in a narrow space on the inner peripheral side of the adapter body 314, the electrical wiring is moved along with the movement of the hose 308. There is a risk of rubbing or tangling, which may reduce the durability of the electrical wiring.

  The above is a problem when the main body of the faucet is attached and fixed to the mounting base using the adapter device, and particularly when the hose-accommodating water faucet device is attached and fixed. This type of problem has an annular member. This is a problem that may occur in common when mounting and fixing the main body of the faucet to the mounting base using the mounting device.

JP 2002-138539 A

  The present invention is based on the circumstances as described above, and an electric wiring that connects and fixes a body detection sensor and a control unit at the time of fixing and fixing a main body of a water faucet to an attachment base using an attachment device having an annular attachment member. When it is necessary to pass through the inner circumferential side space of the annular member, the automatic water can satisfactorily prevent the electrical wiring on the inner circumferential side of the annular member from being damaged due to interference with other members and deteriorating the durability. The object is to provide a stopper device.

  Thus, according to the first aspect of the present invention, the main body portion of the faucet disposed on the front side of the mounting base such as a counter is mounted and fixed to a mounting hole penetrating the mounting base with a mounting device having an annular member. In the automatic water faucet device, the wiring guide that holds and protects the electrical wiring connecting the human body detection sensor on the front side of the mounting base and the control unit on the back side in the guide hole on the inner peripheral side of the annular member. Is provided.

  According to a second aspect of the present invention, in the wiring guide according to the first aspect, the electrical wiring is inserted into the guide hole in a radial direction between the pair of holding claws that form the guide hole on the inner side and the holding claws. And having an opening communicating with the guide hole.

  According to a third aspect of the present invention, in any one of the first and second aspects, the wiring guide is provided on a guide member that is inserted into the annular member separately from the annular member. Features.

  According to a fourth aspect of the present invention, the annular member according to the third aspect of the present invention includes a supply pipe for supplying water or water and hot water to the main body of the water faucet, an outflow pipe from the main body, and a water discharge head. And a flexible hose that can be pulled out through the inner space, and the guide member has a pipe guide that positions and guides the supply pipe, the outflow pipe, and the hose together with the wiring guide. It is characterized by.

  According to a fifth aspect of the present invention, the guide member according to the fourth aspect is characterized in that the pipe guide and the wiring guide are divided in the radial direction.

  According to a sixth aspect of the present invention, in any of the fourth and fifth aspects, the wiring guide forms a part of a guide surface for at least one of the supply pipe, the outflow pipe, and the hose.

  According to a seventh aspect of the present invention, the attachment device according to any one of the first to sixth aspects, wherein the attachment device is arranged on the back side of the attachment base and the adapter body as the annular member arranged on the front side of the attachment base. A holder that holds the mounting base from both the front and back sides together with the adapter main body, and a male screw member that fastens the adapter main body and the holder, and a state in which the insertion portion of the male screw member projects to the inner peripheral side of the adapter main body Is provided.

Effects and effects of the invention

As described above, the present invention is provided with the wiring guide that holds and protects the electrical wiring connecting the human body detection sensor and the control unit on the inner peripheral side of the annular member in the mounting device. According to this, it is possible to satisfactorily prevent the electrical wiring from being damaged by interference with the other in the space on the inner peripheral side of the annular member, and the durability thereof can be enhanced.
The present invention is particularly suitable when applied to a hose-accommodating faucet, but can also be applied to other faucet devices.

Here, the wiring guide may have a pair of holding claws and an opening between the holding claws for inserting the electric wiring into the guide hole in the radial direction (claim 2).
If it does in this way, the electric wiring which penetrates an annular member can be easily inserted in the holding space (inside a guide hole) by the holding claw.

  According to a third aspect of the present invention, the wiring guide is provided on a guide member that is inserted into the annular member separately from the annular member, so that the structure of the annular member itself is complicated. In addition, there is an advantage that a conventionally used annular member can be used as it is.

  In this case, the annular member inserts a supply pipe for supplying water or water and hot water, an outflow pipe from the main body portion, and a flexible hose into the space on the inner peripheral side, and The guide member may have a pipe guide that positions and guides the supply pipe, the outflow pipe, and the hose together with the wiring guide.

If it does in this way, it can prevent more favorably that an electrical wiring interferes with them in the inner peripheral side of an annular member by positioning of a supply pipe, an outflow pipe, and a hose by a pipe guide.
In particular, since the flexible hose moves in the vertical direction in the inner circumferential side space of the annular member in the positioning state, the electric wiring is rubbed or entangled with the movement of the hose, so that it can be damaged. Can be prevented.

In this case, the pipe guide and the wiring guide can be divided in the radial direction (claim 5).
In this way, the pipe guide and the wiring guide can be positioned by sandwiching the supply pipe and the outflow pipe in the radial direction, and further, the electric wiring can be inserted into the guide hole through the opening on the divided side. It becomes possible to insert, and the work becomes easy and space saving can be achieved.

  The said wiring guide can be comprised so that a part of guide surface with respect to at least any one of a supply pipe | tube, an outflow pipe | tube, and a hose may be formed (Claim 6).

The present invention includes an adapter main body as an annular member disposed on the front side of the mounting base, a holder that is disposed on the back side and clamps the mounting base from both the front and back sides together with the adapter main body, and a male screw member that fastens them, and The adapter main body is applied to a faucet device in which the main body portion of the faucet is attached and fixed to the mounting base using an attachment device provided with the insertion portion of the male screw member protruding to the inner peripheral side. This is particularly effective (claim 7).
In this attachment device, since the insertion portion of the male screw member protrudes on the inner peripheral side of the adapter main body, the space on the inner peripheral side of the adapter main body as an annular member is more complicated and narrowed. The present invention is particularly effective when applied to anything.

Next, an embodiment in which the present invention is applied to a kitchen hose storage type automatic faucet will be described in detail with reference to the drawings.
In FIG. 1, 10 is a kitchen cabinet, 12 is a counter (mounting base), and a water faucet main body 14 and a water discharge pipe 16 are provided in a standing state on the counter 12. Here, the water discharge pipe 16 is rotatable by a predetermined angle with respect to the main body part 14.
Further, the water discharge pipe 16 has an inverted U-shaped gooseneck shape as shown in FIG.
As shown in the figure, the water discharge pipe 16 has a water discharge port 18 at the tip, and has a water discharge head 22 that can be pulled out together with a flexible hose 20 and a water discharge pipe main body 24.

As shown in FIG. 1, a valve unit (first body portion) 26 is disposed inside the cabinet 10 at a position between the pair of stop cocks 28 and 30.
A water supply main pipe (hereinafter simply referred to as a water supply main pipe) is connected to a water inlet (described later) of the valve unit 26 via a stop cock 28, a branch joint 32, and a connection hose 34.
Further, a hot water supply main pipe (hereinafter simply referred to as a hot water supply main pipe) is connected to a hot water inlet described later via a water stop cock 30 and a connection hose 36.
Water and hot water supply pipes 38 and 40 extend upward from the water outlet and the hot water outlet of the valve unit 26, and their tips are connected to the main body (second main body) 14 of the faucet. Connected, water and hot water are respectively supplied to the main body 14.

The main body 14 incorporates a mixing valve 58 (see FIG. 2), which will be described later, and has a rigid outflow pipe through which water or hot water (hot water whose temperature is adjusted by the mixing valve 58) flows out from the downstream portion of the mixing valve 58. 42 extends downward, and its tip is connected to the flexible hose 20 via a coupler 44.
Here, the hose 20 extends upward from the coupler 44 and then rotates once before being inserted into the main body 14 and the water discharge pipe main body 24 and connected to the water discharge head 22.

A water purifier 46 is also provided inside the cabinet 10, and water from the water supply source pipe is guided to the water purifier 46 through the branch joint 32 and the hose 48 in the upstream portion of the valve unit 26.
The water purifier 46 purifies the tap water by passing it through a filter 66 (see FIG. 2) described later, and a hose 50 for allowing the purified water to flow out extends from the water purifier 46.
The tip of the hose 50 is connected to the hose 20 connected to the water discharge head 22 via a coupler 44.
That is, the purified water flowing out from the water purifier 46 is guided to the water discharge head 22 through the hoses 50 and 20 and discharged from the water discharge port 18 at the tip thereof.
Here, the thermistor 170 as a temperature detecting element for detecting the temperature of discharged water at the upstream portion thereof is attached to the coupler 44 so as to face the internal flow path.
A controller (control unit) 52 for controlling the operation of the faucet is also provided inside the cabinet 10 below the valve unit 26.

As shown in FIG. 2, in this embodiment, water and hot water from the water supply main pipe and the hot water supply main pipe are supplied to the mixing valve 58 built in the main body 14 through the water supply path 54 and the hot water supply path 56.
The supplied water and hot water are mixed at a predetermined ratio based on the operation of the single lever handle 60, and similarly to the water discharge head 22 through the outflow passage 62 at a predetermined flow rate determined based on the operation of the single lever handle 60. It is sent and discharged from the water outlet 18 at the tip.
Here, the single lever handle 60 adjusts the mixing ratio of water and hot water, that is, adjusts the temperature by turning left and right, and adjusts the flow rate by turning up and down.

The water from the water supply main pipe is also taken out to the water purification path 64 branched from the water supply path 54 at the upstream portion of the electromagnetic valve 68 and passes through the filter 66 of the water purifier 46 provided on the water purification path 64 for purification there. In addition, the purified water (purified water) bypasses the mixing valve 58 and is guided to the outflow passage 62, and is discharged from the water outlet 18 of the water discharge head 22 through the outflow passage 62.
In each of the water supply path 54, the hot water supply path 56, and the water purification path 64, electromagnetic valves 68, 70, and 72 that open and close the flow path and a check valve 74 that prevents backflow are disposed.
A constant flow valve 73 is provided in the water purification path 64.

A bypass path 76 branches and extends from the water supply path 54 at an upstream portion of the electromagnetic valve 68, and a tip thereof is connected to the hot water supply path 56 and downstream portions of the electromagnetic valve 70 and the check valve 74.
An electromagnetic valve 78 and a check valve 74 for opening and closing the flow path are also provided on the bypass path 76.
These solenoid valves 68, 70, 72, 78 are electrically connected to the controller 52, and their operation is controlled by the controller 52.

In the present embodiment, the bypass path 76 that connects the water supply path 54 and the hot water supply path 56 is provided for the following reason.
That is, when the operation position of the single lever handle 60 is in a state where the hot water flow path in the mixing valve 58 is fully open and the water flow path is fully closed, the human body detected by the human body detection sensor (water sensor 116) described later. This is not possible even if the water is discharged from the water outlet 18 based on the detection.
Therefore, the water supply channel 54 and the hot water supply channel 56 are connected by the bypass channel 76, and even if the water channel is fully closed in the mixing valve 58, the water from the water supply source pipe is supplied to the bypass channel 76 and the hot water supply channel. 56, and further, supply to the spout 18 through the outflow passage 62 is possible.

In the automatic faucet of this embodiment, the electromagnetic valves 68 and 78 are opened and the electromagnetic valves 70 and 72 are closed as shown in FIG. Water from the water supply source pipe is sent to the mixing valve 58 through a part of the hot water supply path 56, and further, water is discharged from the water outlet 18 through the outflow path 62 via the mixing valve 58 (water discharge).
Further, as shown in FIG. 10B, water from the water supply main pipe and hot water from the hot water supply main pipe are respectively supplied to the water supply channel with the electromagnetic valves 68 and 70 open and the electromagnetic valves 72 and 78 closed. 54 and the hot water supply path 56 are sent to the mixing valve 58 where they are mixed and made hot water at an appropriate temperature, and hot water is discharged from the water outlet 18 through the outflow path 62 (hot water discharge).
On the other hand, as shown in FIG. 10C, when all of the solenoid valves 68, 70 and 78 are closed and only the solenoid valve 72 is open, the water from the water supply source pipe is the water purifier 46, that is, The water is guided to the side of the water purification path 64, passes through the filter 66, becomes purified water, and is discharged from the water outlet 18 through the outflow path 62 (purified water discharge).

As shown in FIG. 3, the tip of the water discharge pipe main body 24 in the water discharge pipe 16 having an inverted U-shaped gooseneck shape, specifically, the upper surface of the upper part of the water discharge pipe main body 24 downward from the uppermost part. A water sensor (water human body detection sensor) 116 and a hot water sensor (hot water human body detection sensor) 118 are arranged in a line in the tube axis direction at a predetermined interval.
Here, the water sensor 116 is provided on the front side close to the user (on the front side), and the hot water sensor 118 is provided on the back side. Therefore, the water sensor 116 is positioned below the hot water sensor 118, and the hot water sensor 118 is positioned above the water sensor 116.
In the present embodiment, a water purification sensor (a human body detection sensor for water purification) 120 is also provided on the side surface of the water discharge pipe body 24.
A light irradiator 122 is provided on the lower surface of the distal end portion of the water discharge pipe main body 24 to irradiate the water or the sink or the container in the sink with light.

In the automatic water faucet of this embodiment, when a hand is held over the water sensor 116 and the water sensor 116 detects this, water is discharged from the water outlet 18 (water discharge). Further, when the hand is held over the water sensor 116 again under the water discharge state, the water discharge stops there. That is, the water is stopped.
On the other hand, when the hand is held over the hot water sensor 118, hot water (temperature-controlled water) whose temperature is adjusted to an appropriate temperature is discharged from the water outlet 18 based on the detection of the hand by the hot water sensor 118, and the hot water spout. If you hold your hand over the hot water sensor 118 again, the hot water discharge stops there.

On the other hand, as shown in FIG. 9, when a hand is put out to the side of the distal end portion of the water discharge pipe main body 24, the water purification sensor 120 detects this, and purified water is discharged from the water outlet 18 (purified water discharge). Further, when the hand is held again against the water purification sensor 120 under the state of water purging, the water purging is stopped there.
As such, the controller 52 controls the operation of the corresponding electromagnetic valves 68, 70, 72, 78.

The structure of the water discharge pipe 16 is specifically shown in FIGS.
As shown in FIGS. 4, 5 and 6, the water discharge pipe 16 is provided on a water discharge pipe main body 24 made of a metal pipe, an inner member 126 inserted into the water discharge pipe main body 24, and a tip end side thereof. It has a substantially cylindrical guide member 128 that guides the insertion of the hose 20 and a guide cover 130 that covers the guide member 128 from below.
In the water discharge pipe main body 24, the flexible hose 20 and the electric wiring 172 connecting the sensors 116, 118, 120 for water, hot water, and purified water and the controller 52 are inserted and stored therein. The space is partitioned by the inner member 126.

As shown in FIG. 7, a partition plate 131 is fixed to the upper surface of the guide member 128, and sensor units 132 and 134 having the water sensor 116 and the hot water sensor 118 are mounted on the upper surface of the partition plate 131. After being placed and fixed, a resin-made translucent sensor cover 136 is covered from the upper side.
A water purification sensor 120 is attached to the side surface of the guide member 128. A portion of the guide cover 130 corresponding to the water purification sensor 120 is translucent.

The hot water sensor 118 is of a photoelectric type, and as shown in FIG. 8A, the sensor unit 134 having the hot water sensor 118 has a substrate 140, and there is an infrared light emitting element. 142, a light receiving element 144, and a microcomputer 146 as a sensor control unit are mounted.
The board 140 is also equipped with an LED 148 for displaying whether or not the hot water discharge state is present. The LED 148 blinks under the hot water discharge state, and the LED 148 is lit and held otherwise. It has become.

On the other hand, as shown in FIG. 8B, the sensor unit 132 having the water sensor 116 displays whether or not the substrate 140 is in the infrared light emitting element 142, the light receiving element 144, and water spouting. LED 150 is mounted.
Here, the LED 150 blinks if the water is being sprinkled, and if not, the LED 150 is kept lit to display whether the water is being sprinkled.
The sensor unit 132 is also equipped with a three-color (RGB) LED 152 for displaying the current water discharge temperature on the substrate 140.

On the other hand, as shown in FIG. 8C, the sensor unit 138 having the water purification sensor 120 displays on the substrate 140 whether or not the infrared light emitting element 142, the light receiving element 144, and the purified water discharge water are in the water. An LED 154 is mounted.
The LED 154 blinks in the clean water discharge, and if not, holds the lighting state to display whether or not the clean water discharge is in progress.

On the other hand, the water discharge head 22 has a cylindrical core member 156 and a cover 158 that covers the core member 156 from the outer peripheral side, as shown in FIG. Watertight connection is fixed.
At the tip of the water discharge head 22, there is provided a switching operation unit 160 for switching the water discharged from the water discharge port 18 from straight water discharge to shower water discharge or vice versa.

As shown in FIGS. 4 and 5, a temperature display ring 162 is attached between the water discharge pipe main body 24 and the water discharge head 22 so as to be sandwiched between them.
The temperature display ring 162 is made of a light-transmitting resin having a substantially ring shape, and a rearward extending portion 164 is integrally formed as shown in the partial enlarged view of FIG. Light from the three-color LED 152 is irradiated to the extending portion 164.
The light emitted from the three-color LED 152 to the extending portion 164 passes through the inside of the temperature display ring 162 and is emitted from the outer peripheral surface to the periphery.

The three-color LED 152 is a unitized LED that develops red, green, and blue, and can change color continuously and continuously, and the temperature display ring 162 changes its color. Based on, the water discharge temperature is displayed.
That is, when the water discharge temperature is low, blue is displayed, when the water discharge temperature is high, red is displayed, and when the water discharge temperature is in the middle, a color corresponding to them is developed and the current water discharge temperature is indicated by the color change.

  As shown in FIGS. 11 to 13, on the proximal end side of the water discharge pipe main body 24, a rotating sleeve (made of metal in this case) 174 that is separate from the water discharge pipe main body 24 rotates integrally with the water discharge pipe main body 24. The water discharge pipe main body 24 is rotatably held in the holding hole 176 of the main body 14 of the faucet via the rotation sleeve 174.

The rotating sleeve 174 has a fitting portion 178 at its upper end, and the fitting portion 178 is inserted and fitted into the water discharge pipe main body 24 in an integrally rotated state. Here, the inner peripheral surface of the fitting portion 178 is a tapered surface 180 having a large diameter upward.
Note that the amount of insertion of the rotating sleeve 174 into the water discharge pipe body 24 is defined by an annular protrusion 200 provided on the rotating sleeve 174.
The rotating sleeve 174 is rotatably fitted in the holding hole 176 via a pair of upper and lower metal slip rings 182 and 184.
The O-ring 186 seals the space between the rotating sleeve 174 and the holding hole 176 in a watertight manner.

As shown in FIG. 6, the inner member 126 has a curved shape corresponding to the water discharge pipe body 24 and is inserted into the first portion 126-1 made of resin and inserted into the rotary sleeve 174. The second portion 126-2 is divided into two in the tube axis direction.
As shown in FIGS. 6 and 11, the first portion 126-1 constituting the main body of the inner member 126 has a substantially U-shaped cross-sectional shape. Specifically, the first portion 126-1 has a pair of side wall portions 192 and a rear wall portion 194, and forms a storage space for the hose 20 inside thereof.

Each of the pair of side wall portions 192 and the rear wall portion 194 is provided with ribs 196 and 198 extending on the outer surface along the tube axis direction. Positioning in the water discharge pipe body 24 is performed.
The pair of ribs 198 erected rearward from the rear wall portion 194 form an insertion space for the electric wiring 172 on the inner side together with the rear wall portion 194, and the electric wiring 172 is accommodated therein along the tube axis direction. .

On the other hand, as shown in FIG. 14, the second portion 126-2 has a straight shape in the tube axis direction along a straight sleeve and a flat plate shape as a whole.
Specifically, the second portion 126-2 has a flat plate portion 202 that forms the main body and a pair of ribs 204 that rise from both ends in the width direction and have small rises, thereby accommodating the electrical wiring 172. Is forming.

Engaging portions 206 projecting upward are provided at both ends in the width direction at the upper end portion of the second portion 126-2. These engaging portions 206 have projecting contact portions 208.
Here, the engaging portion 206 is inserted upward between the pair of ribs 198 of the first portion 126-1 as shown in FIG. It is made to contact | abut to each inner surface.

On the other hand, the slip ring 184 is integrally provided at a lower end portion of the second portion 126-2, specifically, at a position near the lower end.
The slip ring 184 is located radially outside the outer peripheral surface of the rotating sleeve 174 as shown in FIG. 13, and the second portion 126 is formed by a pair of bridge portions 210 as shown in detail in FIG. -It is connected to 2.
On the other hand, the rotary sleeve 174 is formed with a pair of slits 212 that passes the bridge portions 210 in the radial direction at positions corresponding to the bridge portions 210.

That is, in the present embodiment, the second portion 126-2 in the rotating sleeve 174 and the outer slip ring 184 are integrated by a pair of bridge portions 210 that pass through the slit 212 in the radial direction.
The bridge portion 210 and the slit 212 also constitute a co-rotating means for co-rotating the second portion 126-2 together with the rotating sleeve 174.

As shown in FIG. 12, the main body 14 of the faucet is attached and fixed to the counter 12 by an adapter device (attachment device) 204 in the attachment hole 188.
As shown in FIG. 15, the adapter device 204 has an annular shape as shown in FIG. 15, an adapter main body 214 that sandwiches the counter 12 from the front side (upper side), a holder 216 that forms a substantially horseshoe shape and sandwiches the counter 12 from the back side, and And a pair of male screw members 218 to be screw-fastened.
Here, the holder 216 is provided with a pair of female screw holes 220, and the adapter main body 214 is provided with an insertion portion 222 of the male screw member 218 protruding inwardly.

The adapter device 204 can be attached to the counter 12 from the front side of the counter 12 (from the upper surface side).
Specifically, the adapter main body 214 and the holder 216 are connected by only one male screw member 218 on the left side in the drawing, and in this state, the holder 216 is passed from the front side of the counter 12 to the back side of the counter 12 through the mounting hole 188, Thereafter, by rotating the male screw member 218, the holder 216 is rotated together, and in a state where the holder 216 is positioned at a predetermined angular position, the one male screw member 218 is also inserted from the front side of the counter 12 to the female screw hole on the right side of the holder 216 in the figure. Screw into 220.
Then, by further screwing the pair of male screw members 218, the counter body 12 can be fixed to the counter 12 with the adapter body 214 and the holder 216 sandwiched from both the front and back sides.

Then, the cylindrical portion 226 at the lower end portion of the main body portion 14 shown in FIG. 12 is fitted to the adapter main body 214 in an externally fitted state, and then the set screw 224 is inserted into the adapter main body 214 through the fixing hole 228 of the cylindrical portion 226. The main body 14 can be attached and fixed to the counter 12 via the adapter device 204 by being screwed into the female screw hole.
In FIG. 15, reference numeral 230 denotes a decorative cap that closes the opening of the fixing hole 228.

In the present embodiment, the water and hot water supply pipes 38, 40, the outflow pipe 42 extending downward from the main body 14, and the flexible hose 20 are respectively connected to the inner periphery of the adapter main body 214 in the adapter device 204. It extends through the space on the side.
Furthermore, an electrical wiring 172 that connects the human body detection sensors 116, 118, 120 and the controller 52 is inserted into the space on the inner peripheral side of the adapter main body 214.

  In FIG. 17A, reference numeral 232 holds the supply pipes 38, 40, the outflow pipe 42, and the hose 20 in the positioning state in the space on the inner peripheral side of the adapter main body 214, and also holds the electric wiring 172 in the positioning state. The guide member is separate from the adapter main body 214 to be protected. As shown in FIG. 15, the wiring guide 234 on the side holding the electric wiring 172, the supply pipes 38 and 40, the outflow pipe 42, A pipe guide 236 on the side where the hose 20 is positioned is divided into two in the radial direction.

  As shown in FIGS. 16, 17, and 18, the wiring guide 234 has a pair of holding claws 238 at the center and the inner circumferential side in the circumferential direction, and the holding holes 240 inside the holding claws 238. In the holding hole 240, as shown in FIGS. 17 and 18, the electric wiring (strictly, the electric wiring code) 172 is held in the inserted state.

Here, an opening 242 communicating with the holding hole 240 is formed between the pair of holding claws 238 and 238, and the electric wiring 172 can be inserted into the holding hole 240 in the radial direction through the opening 242.
An arc-shaped arm 244 extends from the pair of holding claws 238 in the circumferential direction. Engagement pins 246 protrude from the end portions of the arms 244, and these engagement pins 246 are fitted into the corresponding engagement holes 248 of the pipe guide 236.
That is, the wiring guide 234 and the pipe guide 236 are assembled to each other in the radial direction by fitting the engagement pins 246 and the engagement holes 248 together.
Here, as shown in FIG. 15, the pair of holding claws 238 are configured to protrude long downward from the arm 244.

The inner peripheral surface 250 of the arm 244 is an arcuate surface.
Further, a flange portion 252 is provided at the upper end portion of the guide member 232 over the entire circumference, and as shown in FIG. 12, the flange portion 252 serves as the upper end surface of the adapter main body 214 and the main body portion of the faucet. 14 is sandwiched in the vertical direction by an inward flange portion 254 provided on the cylindrical portion 226.

On the other hand, the pipe guide 236 is provided with a cylindrical portion 256 and a hanging wall 258 extending downward.
A guide hole 260 is formed inside the cylindrical portion 256 so as to be able to slide the hose 20 up and down and in a radially positioned state.
Guide holes 262 and 264 having a cross-sectional shape slightly larger than a semicircle for holding the supply pipe 40 and the outflow pipe 42 in a radially positioned state are formed on the split-side surface of the hanging wall 258. . In addition, an arcuate guide surface 266 for holding the supply pipe 38 in a radially positioned state is formed between them.

In addition, the guide surface 268 for holding the supply pipe 38 for water supply in a radially positioned state in cooperation with the guide surface 266 on the pipe guide 236 side also on the outer surface of the pair of holding claws 238 in the wiring guide 234. Is formed.
Further, a part of the inner peripheral surface 250 of the arm 244 in the wiring guide 234 (the upper end portion in FIG. 17A) cooperates with the pipe guide 236 to form a guide surface for positioning the outflow pipe 42 in the radial direction. Yes.
A recess 272 for accommodating the heads of the pair of male screw members 218 is formed on the lower surface side of the upper end portion of the guide member 232 as shown in FIG.

  As shown in FIG. 17, in the present embodiment, the guide member 232 has a circular upper end portion placed on the upper end surface of the adapter body 214, and the cylindrical portion 256 and the hanging wall 258 in the pipe guide 236. Further, a pair of holding claws 238 in the wiring guide 234 are inserted into the space on the inner peripheral side of the adapter main body 214.

In this embodiment, the pipe guide 236 and the wiring guide 234 in the guide member 232 are separated in the radial direction as shown in FIG. 18, and the supply pipes 38 and 40 and the outflow pipe 42 are interposed therebetween. Further, the electric wiring 172 is inserted into the holding hole 240 in the wiring guide 234 and held in the radial direction through the opening on the split side, and further, the opening 242 between the pair of holding claws 238. Thus, by assembling the pipe guide 236 and the wiring guide 234 in the radial direction, the supply pipes 38, 40, the outflow pipe 42, and the electric wiring 172 can be held in a positioned state in the radial direction.
Further, by inserting the hose 20 through the guide hole 260 inside the cylindrical portion 256, the hose 20 can also be held in a positioned state in the radial direction.
That is, each of the supply pipes 38 and 40, the outflow pipe 42, the hose 20, and the electric wiring 172 can be held in a radially positioned state in a narrow space on the inner peripheral side of the adapter main body 214.

As described above, according to this embodiment, it is possible to satisfactorily prevent the electrical wiring 172 from being damaged by causing interference with the other in the space on the inner peripheral side of the adapter main body 214, and to improve the durability. it can.
Here, since the wiring guide 234 has the opening 242 between the pair of holding claws 238, 238, the electric wiring 172 can be easily inserted into the holding hole 240 in the radial direction through the opening 242.

  Further, since the wiring guide 234 is provided on the guide member 232 that is separate from the adapter body 214, the structure of the adapter body 214 itself is not complicated, and the conventionally used adapter body 214 can be used as it is. it can.

Further, since the pipe guide 236 and the wiring guide 234 are divided in the radial direction, they can be positioned so as to sandwich the supply pipes 38 and 40 and the outflow pipe 42 therebetween.
Furthermore, the electric wiring 172 can be inserted into the holding hole 240 through the opening on the divided side of the wiring guide 234.

19 and 20 show another embodiment of the present invention.
In this embodiment, the water from the water supply main pipe and the hot water from the hot water supply main pipe are supplied directly to the mixing valve 58 in the main body 14 without going through the valve unit as described above, and the outflow path A solenoid valve 276 that opens and closes the outflow path 62 is provided in the coupler 274 that connects the outflow pipe 42 and the hose 20.
That is, here, an electromagnetic valve 276 is provided on the secondary side of the mixing valve 58 to discharge or stop the temperature-controlled hot water from the water outlet 18.

On the other hand, the second water supply passage 278 is branched and extended from the water supply passage 54 at the upstream portion of the mixing valve 58, and the tip thereof is connected to the outflow passage 62 and the downstream portion of the electromagnetic valve 276.
On the second water supply passage 274, a constant flow valve 73 and an electromagnetic valve 280 for opening and closing the second water supply passage 274 are provided.

On the other hand, a hot water sensor 118 and a water sensor 116 are provided on the upper surface of the water discharge pipe 16 in a line in the pipe axis direction.
However, here, the hot water sensor 118 is provided on the front side (front side) close to the user, and the water sensor 116 is provided on the back side.

  Also in this embodiment, the detection distance of the hot water sensor 118 on the near side close to the user is set shorter than the detection distance of the water sensor 116 on the back side, and the hot water sensor 118, the water sensor 116, However, when the human body is detected substantially simultaneously, the human body detection by the water sensor 116 on the back side is prioritized.

  In this embodiment, since the water from the second water supply channel 278 bypasses the mixing valve 58 and is discharged from the water discharge port 18, it does not have a function of adjusting the flow rate at the time of water discharge, and is constant. Water is discharged from the water outlet 18 at a flow rate.

FIG. 20 specifically shows the internal structure of the coupler 274.
As shown in the figure, here, a thermistor 170 as a temperature detecting element for detecting the temperature of discharged water at the upstream portion of the coupler 274 is assembled together with the electromagnetic valve 276.
Furthermore, the coupler 274 incorporates an opening operation member 112 that opens the diaphragm valve 98 that forms the main valve of the water drain plug 110 and the electromagnetic valve 276.

  FIG. 21 shows still another embodiment of the present invention. Here, a water purification path 64 is provided instead of the second water supply path 278, and a hot water sensor 118 and water purification are provided on the upper surface of the water discharge pipe 16 correspondingly. The hot water sensor 118 is provided on the front side close to the user, and the water purification sensor 120 is provided on the back side.

Also in this example, among the hot water sensor 118 and the water purification sensor 120, the water purification sensor 120 on the back side has priority over the water sensor 118 on the near side close to the user, and the detection distance is The detection distance of the hot water sensor 118 on the near side is set shorter than that of the water purification sensor 120.
In the case of this embodiment, it is basically the same as the embodiment shown in FIGS. 19 and 20 except that purified water discharge is performed instead of water discharge.

FIG. 22 shows still another embodiment of the present invention.
In this embodiment, the second water supply path 278 shown in FIGS. 19 and 20 and the water purification path 64 in the embodiment of FIG. 21 are omitted, and the water discharge pipe 16 is provided with only the hot water sensor 118. Yes.
About another point, it is the same as that of embodiment shown in FIGS.

Although the embodiment of the present invention has been described in detail above, this is merely an example.
For example, in the above embodiment, a non-contact type human body detection sensor is used, but a contact type sensor can be used as the human body detection sensor.
In addition, the present invention can also be applied when mounting and fixing a faucet body to a mounting base such as a counter with a mounting device having an annular member other than the adapter body and adapter device exemplified above. The present invention can be configured in various forms without departing from the spirit of the invention.

It is a figure which shows the automatic water tap which is one Embodiment of this invention. It is a figure which shows the flow path of the automatic water tap of the embodiment. It is a figure which shows the water discharging pipe and various sensors of the embodiment. It is sectional drawing which shows the internal structure of the water discharging pipe of FIG. It is a figure at the time of separating the water discharge head in FIG. 4 from the water discharge pipe main body. FIG. 5 is an exploded perspective view of FIG. 4. It is the figure which showed a part of FIG. 6 in detail. It is the figure which showed each human body detection sensor in the same embodiment. It is a figure at the time of performing purified water spouting. It is explanatory drawing of the flow-path switching in the same embodiment. It is sectional drawing which shows the inner member in the same embodiment with a part of main body part of a faucet. It is sectional drawing which shows the main-body part of the water tap in the embodiment with a peripheral part. It is sectional drawing which shows the rotation sleeve and peripheral part in the same embodiment. It is an exploded view which shows the rotating sleeve and inner member in the same embodiment disassembled. It is a figure which decomposes | disassembles and shows the main-body part of the water tap in the same embodiment, and its peripheral part to each part. It is a figure of the guide member in the embodiment. FIG. 13 is an AA cross-sectional view and a II cross-sectional view in FIG. 12. It is a figure explaining the assembly | attachment structure of the guide member in the embodiment. It is a figure which shows other embodiment of this invention. It is the figure which showed the internal structure of the coupler in FIG. 19 in detail. It is a figure which shows other embodiment of this invention. It is a figure which shows other embodiment of this invention. It is a figure which shows an example of the conventional water faucet apparatus with the attachment structure.

Explanation of symbols

DESCRIPTION OF SYMBOLS 12 Counter 14 Main-body part 20 Hose 38,40 Supply pipe 42 Outflow pipe 172 Electric wiring 188 Mounting hole 204 Adapter apparatus 214 Adapter main body 216 Holder 218 Male screw member 222 Insertion part 232 Guide member 234 Wiring guide 236 Pipe guide 238 Holding claw 240 Holding hole 242 Opening 266, 268 Guide surface

Claims (7)

In the automatic faucet device in which the main body portion of the faucet disposed on the front side of the mounting base such as a counter is mounted and fixed to a mounting hole penetrating the mounting base with a mounting device having an annular member. The automatic water is provided with a wiring guide for holding and protecting the electrical wiring connecting the human body detection sensor on the front side of the mounting base and the control unit on the back side in the guide hole in the inner peripheral side of the mounting base. Stopper device.   2. The wiring guide according to claim 1, wherein the wiring guide is inserted into the guide hole in a radial direction between the pair of holding claws that form the guide hole on the inside and the holding claws. An automatic faucet device characterized by having an open opening.   3. The automatic water faucet device according to claim 1, wherein the wiring guide is provided on a guide member that is inserted into the annular member separately from the annular member. .   4. The flexibility according to claim 3, wherein the annular member can be pulled out together with a supply pipe for supplying water or water and hot water to the main body of the faucet, an outflow pipe from the main body, and a water discharge head. The guide member has a pipe guide for positioning and positioning the supply pipe, the outflow pipe and the hose together with the wiring guide. Automatic faucet device.   5. The automatic faucet device according to claim 4, wherein the guide member is configured such that the pipe guide and the wiring guide are divided in a radial direction.   6. The automatic water faucet device according to claim 4, wherein the wiring guide forms a part of a guide surface for at least one of the supply pipe, the outflow pipe and the hose.   The attachment device according to any one of claims 1 to 6, wherein the attachment device includes an adapter main body as the annular member arranged on the front side of the attachment base, and the attachment base together with the adapter main body arranged on the back side of the attachment base. It has a holder that is clamped from both the front and back sides, and an adapter main body and a male screw member that fastens the holder, and the adapter main body is provided with an insertion portion of the male screw member protruding to the inner peripheral side. Automatic faucet featured.

Images