JP2003221851A - Faucet apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a faucet apparatus which has a seesaw switch-type spouting/stopping section that can perform not only spouting/stopping of water but also adjustment of flow rate. <P>SOLUTION: The faucet apparatus is formed of a main body 12 having a main channel 24 and a main valve 26 arranged therein. The main channel guides water having been supplied thereto via a water supply pipe, to an outlet 22, and the main valve 26 opens/closes the main channel 24. The main body 12 is comprised of the seesaw switch-type spouting/stopping section 16 for opening/ closing the main valve 26, and a rotary ring-type flow rate adjusting section 74 for adjusting the flow rate of water in the main channel 24 in the vicinity of the spouting/stopping section 16. The main body 12 is further comprised of a flow rate adjusting valve 66, and the flow rate adjusting section 74 is connected to the flow rate adjusting valve 66 in an operable manner. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water discharge device,
More specifically, the present invention relates to a one-touch operation type water discharge device in which the discharge / stop water operation unit is a seesaw switch type operation unit.

[0002]

2. Description of the Related Art Heretofore, as a water spouting device for spouting water from a spouting port and stopping water by operating a spouting water stop operating part, a device in which the spouting water stop operating part is a seesaw type switch operating part is known. is there. FIG. 5 shows an example thereof. In the figure, reference numeral 200 denotes a water discharge port, 202 denotes a water discharge / stop water operation unit for performing water discharge and water stop from the water discharge port 200, and this water discharge / water stop operation unit 202 is a seesaw switch type operation unit. is there.

In the case of this water spouting device, the water spouting stop operation section 202
When one end 202a is pushed, water is discharged from the water outlet 200, and when the other end 202b is pushed, water is stopped from the water outlet 200, that is, water is stopped.

Specifically, in the case of this water discharge device, the main water channel 2
A main valve 206 made up of a diaphragm valve is provided on 04, and a back pressure chamber 208 is formed on the back side of the main valve 206. As shown in FIG. 5 (A), the main valve 206 is normally held in a state of being seated on the valve seat 210 by the water pressure in the back pressure chamber 208, that is, in a closed state.

The back pressure chamber 208 is adapted to communicate with the downstream portion of the main valve 206 in the main water channel 204 by the pilot water channel 212, and the pilot water channel 21.
2 is opened and closed by the pilot valve 214.

In the case of this water spouting device, the water spouting stop operation section 202
When the one end portion 202a in FIG.
As shown in FIG. 4, the pilot valve 214 is lifted upward and the pilot water channel 212 is in communication, that is, the back pressure chamber 20.
8 is in communication with the main water channel 204, specifically, with the downstream portion of the main valve 206 in the main water channel 204, and the back pressure chamber 208
The water inside flows out into the main water channel 204, and the pressing action of the main valve 206 in the valve closing direction by the water pressure in the back pressure chamber 208 is released. As a result, the main valve 206 is opened by the water supply pressure of the main water passage 204, and here, water is discharged from the water discharge port 200 to the outside through the main water passage 204.

The end 202 on the side opposite to the one end 202a
When b is pushed in, the pilot valve 214 is pushed downward as shown in (A), and the pilot water passage 212 is shut off, where the water in the main water passage 204 is a small hole (not shown) through which the main valve 206 penetrates. Through the back pressure chamber 208
Flowing into the inside of the back pressure chamber 208, the water pressure in the back pressure chamber 208 increases, and the water pressure causes the main valve 206 to close and the water outlet 200
Water spouting stops.

In the case of this water spouting device, the water spouting stop unit 202
Since it is formed as a seesaw switch type operation unit, it is possible to perform water discharge and water stop by simply pushing it in, which is highly convenient.

FIG. 6 shows another type of water spouting device proposed by the present applicant, and this water spouting device 215 also has a water spouting operation unit 202 as a similar seesaw switch type operation unit. The water discharger 215 has a main body 216, and a water stop operation unit 202 as a seesaw switch type operation unit is provided at the upper end of the main body 216 in the figure, and the main body 216 is provided on the opposite side. A water discharge port 200, a main water channel 204, a connection port 205 of a pipe for supplying water to the water discharge port 200, and the like are provided.

The body body 216 is also provided with a pilot valve 214 on the side of the discharge / stop water operation section 202. In the figure, reference numeral 218 denotes a small through hole provided in the main valve 206, and the water in the main water channel 204 is introduced into the back pressure chamber 208 little by little through the small hole 218.

[0011]

In the case of this type of water spouting device 215 in which the water spouting operation unit 202 is such a seesaw switch type operation unit, it is possible to perform water spouting and water stoppage by one-touch operation, which is convenient. Although it has a high feature, the conventional water discharge device of this type does not have a flow rate adjusting function, and there is an inconvenience that the flow rate cannot be adjusted even if the user wants to change the flow rate.

[0012]

The water discharger of the present invention has been devised to solve such a problem. Thus, according to the first aspect of the invention, the main valve is provided with respect to the main body body in which the main water channel for guiding the water supplied through the pipe to the spout and the main valve for opening and closing the main water channel are provided inside. A seesaw switch type discharge / stop water operation unit for opening / closing is provided, and a flow control operation unit for adjusting the flow rate of the main water channel is provided on the main body body at a position near the discharge / stop water operation unit. It is characterized by

According to a second aspect of the present invention, in the first aspect, the body body is provided with a flow control valve for controlling the flow rate of the main water passage, and the flow control operation section is provided for the flow control valve. It is characterized by being operatively connected.

According to a third aspect of the present invention, in any one of the first and second aspects, the flow control operation section is a rotary operation section mounted on the main body.

According to a fourth aspect of the present invention, in the third aspect, the rotary type flow control operating portion is operatively connected to the rotary shaft of the flow control valve for adjusting the flow rate of the main water channel by gear engagement. It is characterized in that the flow control valve is rotated based on the meshing of the gears by the rotation operation of the flow control operation unit to control the flow rate.

According to a fifth aspect of the present invention, in any one of the first to fourth aspects, the flow control valve is provided on the upstream side of the main valve.

According to a sixth aspect of the present invention, in any one of the first to fifth aspects, the water discharge port is integrally provided on the main body.

According to a seventh aspect of the present invention, in any one of the first to sixth aspects, a back pressure chamber for pressing the main valve in a valve closing direction by water pressure is provided in the body body, and the back pressure chamber. A pilot water channel for operating the main valve that communicates with a downstream portion of the main valve of the main water channel, and a pilot valve that opens and closes the pilot water channel are provided, and the water discharge stopping operation unit opens and closes the pilot valve. It is characterized by being operated.

[0019]

INDUSTRIAL APPLICABILITY As described above, according to the present invention, in a water discharge device provided with a seesaw switch type discharge / stop water operation part, a flow control operation part for adjusting the flow rate of the main water channel is provided in the main body of the water discharge device. According to this water spouting device, water spouting and water stopping can be performed by one-touch operation by hand operation, and the flow rate can be adjusted together, which is a great convenience in this kind of water spouting device. Can be increased to

In this case, the main body may be provided with a flow control valve for controlling the flow rate of the main water passage, and the flow control operating portion may be operatively connected to the flow control valve (claim 2). . Further, the flow control operation section may be a rotary operation section mounted on the main body (claim 3).
By doing so, it is possible to easily provide the flow control operation unit on the main body, and it is possible to easily control the flow rate by a simple operation.

According to a fourth aspect of the present invention, the rotary flow control operation portion is operatively connected to the rotary shaft of the flow control valve by the meshing of gears. It is possible to satisfactorily convey the rotational operation of the flow control operation unit to the flow control valve and operate it for flow rate control. Here, the flow control valve may be provided at a portion upstream of the main valve (claim 5).

In the present invention, a water discharge port may be integrally provided on the body body (claim 6).
Furthermore, the main body has a back pressure chamber for pressing the main valve in the closing direction, a pilot water channel for operating the main valve that connects the back pressure chamber and the main water channel, and a pilot valve for opening and closing the pilot water channel. Is provided, and the pilot valve can be opened / closed by the discharge / stop water operation section (claim 7).

By doing so, various functions required as a water discharge device can be provided in the main body body, the installation of the water discharge device is simplified, and the water discharge / stop water operation section opens and closes the pilot valve. Since this is done, it is possible to easily perform water discharge and water stop operations with a small force.

[0024]

Embodiments of the present invention will now be described in detail with reference to the drawings. In FIG. 1, reference numeral 10 denotes a one-touch operation type water discharge device of this example, which has a main body 12. The main body body 12 is provided with a water discharge operation portion 16 at the upper end in the figure, and a water discharge port 22 at the opposite end.

The main body 12 is also provided with a connection port 23 for a water supply pipe, to which the pipe is connected,
The water supply from the pipe is guided to the water outlet 22 through a main water passage 24 (here, a circular cross section) provided inside the main body 12.

A diaphragm valve 26 for opening and closing the main water passage 24 is provided on the main water passage 24. The main water passage 24 is shut off when the main valve 26 is seated on the valve seat 27, that is, the upstream water passage 24a and the downstream water passage 24b are shut off, and the main valve 26 is separated from the valve seat 27 upward in the drawing. By doing so, the main waterway 24 is in communication, that is, the upstream waterway 24
The "a" and the downstream water passage 24b communicate with each other.

A back pressure chamber 28 is formed on the back surface side (upper surface side in the figure) of the main valve 26. The main valve 26 is normally pressed downward in the figure by the pressure (water pressure) in the back pressure chamber 28, and is held in a state of being seated on the valve seat 27. That is, the main valve 26 is normally closed by the pressure of the back pressure chamber 28.

A pilot water channel 30 for operating the main valve 26 extends from the back pressure chamber 28, and the tip of the pilot water channel 30 is open at the downstream water channel 24b of the main water channel 24. The body body 12 is also provided with a plunger type pilot valve 32 on the pilot water channel 30. When the pilot valve 32 is seated on the valve seat 34, the pilot water channel 30 is shut off and the pilot valve 30 is closed. By separating 32 from the valve seat 34 in the upward direction in the figure, the blocked state of the pilot water channel 30 is released. That is, the pilot waterway 30 communicates.

Thus, when the pilot water passage 30 is brought into communication by the opening operation of the pilot valve 32 in this way,
The water in the back pressure chamber 28 flows into the main water passage 24 through the pilot water passage 30, whereby the pressure in the back pressure chamber 28 decreases and the main valve 26 opens due to the water supply pressure of the main water passage 24. Here, the main water passage 24 is opened, and the water supplied through the pipe is sent to the water outlet 22 and subsequently discharged from the water outlet 22 to the outside.

The discharge / stop water operation unit 16 is a switch type operation unit, more specifically, a seesaw switch type operation unit. A plate 36 is attached to the bottom of the operation unit 16. The plate 36 is attached and fixed to the main body 12 by a fixing member 38. ing.

As shown in FIG. 2, this fixing member 3
The front plate 40 includes a front plate 40, a pair of side plates 42, and a bottom plate 44. The front plate 40 has a pair of hooks 4 at the upper end thereof.
6 and a pair of side plates 42 each have a dogleg-shaped notch 48 for swingably supporting the water discharge / stop operation portion 16 on the plate 36. On the other hand, the plate 36 is formed with a pair of stepped contact portions 50, and the contact portions 50 are brought into contact with the cutout portions 48 of the fixing member 38.

In this state, the hook portions 56 at one ends of the pair of coil springs 54 are hooked in the pair of hook holes 52 formed in the plate 36. The hook portion 56 at the other end of these coil springs 54 is provided with the fixing member 3 described above.
8 is hooked on the hooking portion 46 and the plate 36 is slidably held by the fixing member 38 in a state where the contact portion 50 is in contact with the notch 48 by the tensile force of these coil springs 54. ing. That is, the discharge / stop water operation portion 16 is swingably held by the fixing member 38 on the plate 36.

The fixing member 38 is attached to the bottom plate 44 in FIG.
As shown in FIG. 5, the male screw 58 is attached and fixed to the main body 12. As shown in FIG. 1, a sleeve 60 is attached to the main body 12, and the pilot valve 32 is slidably held inside the sleeve 60. The pilot valve 32 is provided with a T-shaped head 62 (see FIG. 2). On the other hand, the plate 36 is provided with a fork portion 64 as shown in FIG. 2, and the head portion 62 is lifted upward by the fork portion 64 to open the pilot valve 32, Further, the fork portion 64 allows the pilot valve 32
The body part of is pushed downward, so that the pilot valve 3
2 is closed.

In the case of the discharge / stop water operation portion 16 of this example, FIG.
As shown in (A), when the end portion 16b on the left side of the drawing of the spouting water stop operating portion 16 is pushed downward, the spouting water stop operating portion 16 is in contact with the notch 48 of the fixing member 38. With the contact portion 50 of the plate 36 as a fulcrum, the plate 36 rotates counterclockwise in FIG. In the process, a pair of coil springs 5
4 once expands and then contracts again, and the discharge / stop water operation portion 16 is stably held in the state shown in FIG. 3A based on the contracting force.

On the other hand, when the end portion 16a on the right side of the drawing of the spouting water stop operating portion 16 is pushed downward, the spouting water stopping operation portion 16 is operated.
Rotates about the contact portion 50 of the plate 36 as a fulcrum in the clockwise direction opposite to the above. Then, in the process, the coil spring 54 once expands and then contracts again, and the contraction force stably holds the discharge water operation portion 16 in the state shown in FIG. 3 (B).

In the state shown in FIG. 3A, the pilot valve 32 is pushed downward by the fork portion 64 of the plate 36 to close the valve, and the pilot water channel 30 is closed (cut off). As a result, the main valve 26 is operated to close, the main water passage 24 is closed (blocked), and the water discharge from the water discharge port 22 is stopped.

On the other hand, in the state of FIG. 3B, the pilot valve 32 lifts the head portion 62 upward by the fork portion 64 to perform the valve opening operation, and the pilot water channel 30 is opened. Along with this, the main valve 26 is opened to open the main water passage 24, and the water sent through the main water passage 24 is discharged from the water discharge port 22 to the outside.

As shown in FIG. 1, the main body 12
At the upstream side of the main valve 26, there is provided a flow control valve 66 for adjusting the flow rate in the main water channel 24. This flow control valve 66
Is a disc-shaped valve body 68 that changes the flow passage cross-sectional area in the main water channel 24 by changing the rotational angle position, and the valve body 6
8 and a rotating shaft 70 penetrating the body body 12 and protruding to the outside. A gear 72 is provided on the outer peripheral surface of the upper end portion of the rotary shaft 70 in the figure.

On the other hand, a rotary ring type flow control operating unit 74 is rotatably mounted on the main body 12 at a position directly below the discharge / stop water operating unit 16. This flow control operation unit 74
Is provided with an operation knob 76 and a gear 78 on the outer peripheral surface thereof, and the gear 78 meshes with a gear 72 on the outer peripheral surface of the upper end portion of the rotary shaft 70 of the flow control valve 66.

That is, the flow control operation unit 74 and the flow control valve 66 are operatively connected, and the flow control valve 66, more specifically, the disc-shaped valve body 68, is rotated by the rotation operation of the flow control operation unit 74. Two
It is designed so that it can be rotated within 4.

In this example, the disc-shaped valve body 68 is shown in FIG.
As shown in the partially enlarged view of (B) and FIG. 4 (I), when the main water channel 24 is parallel to the axis of the main water channel 24, the main water channel 24 is fully opened and water is discharged from the water outlet 22 at the maximum flow rate. Be seen.

As shown in FIGS. 4 (II) and 4 (III), the rotational angle position of the valve body 68 is changed from the direction in which the valve body 68 is parallel to the axis of the main water passage 24 by the rotation operation of the flow control operation unit 74. As the flow rate is changed, the flow passage cross-sectional area of the main water passage 24 gradually decreases, and the water discharge flow rate from the water discharge port 22 decreases accordingly.

In the water discharger 10 of the present embodiment, since the body body 12 is provided with the flow control operation unit 74 for adjusting the flow rate of the main water passage 24, the water discharge and the water stop can be performed by the hand operation. Can be performed by one-touch operation, and the flow rate can be adjusted together.
The convenience of can be dramatically improved.

In this example, the main body 12 is connected to the main water channel 2.
4 is provided with a flow control valve 66 for adjusting the flow rate, and the flow control valve 6
Since the flow control operation unit 74 is operatively connected to 6,
The mechanism for adjusting the flow rate can be made compact and simple.

Further, since the rotating ring type flow control operating portion 74 is operatively connected to the rotary shaft 70 of the flow regulating valve 66 by the meshing of gears 78 and 72, the rotational operation of the flow controlling operation portion 74 can be performed. It can be satisfactorily transmitted to the flow control valve 66. Further, in the water discharger 10 of this example, since the pilot valve 32 is operated to be opened / closed by the water discharge / stop operation unit 16, it is possible to easily perform the water discharge and the water stop with a small force.

Although the embodiment of the present invention has been described in detail above, this is merely an example, and the present invention can be configured in a form in which various modifications are made without departing from the spirit of the invention.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a water discharger that is an embodiment of the present invention.

FIG. 2 is a view showing a part of a discharge / stop water operation part and its peripheral part in the embodiment.

FIG. 3 is an operation explanatory view of a water discharge / stop water operation unit in the water discharge apparatus of the embodiment.

FIG. 4 is an operation explanatory view of the flow control valve of the water discharge device of the embodiment.

FIG. 5 is a view showing an example of a conventional water discharger having a seesaw switch type operation unit as a discharge / stop water operation unit.

FIG. 6 is a diagram showing an example of a water discharge device proposed by the present applicant.

[Explanation of symbols]

10 Water discharge device 12 body 16 Water discharge control section 22 Spout 24 Main waterway 26 Main valve 28 Back pressure chamber 30 pilot canals 32 pilot valve 66 Flow regulating valve 70 rotation axis 72,78 gears 74 Flow control unit

Continued front page    F-term (reference) 2D060 BB03 BC04 BC11 BE15                 3H052 AA02 BA25 BA35 CC01 CC14                       DA01 EA02                 3H056 AA01 BB32 CA08 CB02 CB08                       CC04 CD06 DD04 EE01 GG05                 3H063 AA01 AA02 BB32 CC04 DA03                       DA05 DA07 DB31 EE07 FF01                       GG06

Claims (7)

[Claims] 1. A main body, which is provided with a main water channel for guiding water supplied through a pipe to a water outlet, and a main valve for opening and closing the main water channel, for opening and closing the main valve. In addition to the seesaw switch type discharge / stop water operation unit, a flow control operation unit for adjusting the flow rate of the main water passage is provided in the main body at a position near the discharge / stop water operation unit. Water discharge device. 2. The flow control valve according to claim 1, wherein the body body is provided with a flow control valve for controlling a flow rate of the main water channel.
A water discharge device, wherein the flow control operation part is operatively connected to the flow control valve. 3. The water spouting device according to claim 1, wherein the flow control operation unit is a rotary operation unit mounted on the main body. 4. The flow control operation unit according to claim 3, wherein the rotary flow control operation unit is operatively connected to a rotary shaft of a flow control valve for adjusting a flow rate of the main water channel by meshing a gear, A water discharger characterized in that the flow control valve is rotated based on the meshing of the gears by rotating the operation portion to adjust the flow rate. 5. The water discharge device according to claim 1, wherein the flow control valve is provided on the upstream side of the main valve. 6. The water discharge device according to claim 1, wherein the water discharge port is integrally provided on the main body. 7. The back pressure chamber for pressing the main valve in a valve closing direction by water pressure in the body body, according to claim 1, and the back pressure chamber and the main water channel. A pilot water channel for operating the main valve that communicates with a downstream portion of the main valve and a pilot valve that opens and closes the pilot channel are provided, and the discharge / stop water operation section opens and closes the pilot valve. A water discharge device characterized by being provided.