JP2003144983A - Water discharge nozzle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a water discharge nozzle convenient in use capable of increase or decrease of a flow rate (the increase or decrease of the number of spray holes formed through the water discharge nozzle) due to easily opening or closing a water flow passage by an opening/closing valve while taking a shower. SOLUTION: The water spray part of the water discharge nozzle supplied with warm water or water from a water supply source is provided with a first group of water spray holes and a second group of water spray holes. The first water flow passage connected to the first group of water supply holes and the second flow passage connected to the second group of water supply holes are formed by dividing them. The first water flow passage always maintains a state of enabling water to flow, and the second water flow passage is provided with an opening/closing valve for opening/closing the second water passage. The water flowing state or not flowing state is chosen by opening or closing the opening/closing valve whereby the number of the water spray holes is increased or decreased, and an operation button for the opening/closing valve is disposed on the grip of the spraying direction side of the water discharge nozzle.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water discharge nozzle for bathrooms, washrooms, kitchens and the like.

[0002]

2. Description of the Related Art Conventionally, various water discharge nozzles having a mechanism for increasing or decreasing the amount of supplied hot water are known. For example, as shown in Japanese Utility Model Laid-Open No. 59-7055, a cylinder provided in a water discharge nozzle main body is rotated to increase or decrease, and Japanese Utility Model Laid-Open No. 63-160.
As shown in No. 957, a valve element attached to the water spray plate is used to open and close a part of the water spray holes to increase or decrease the flow rate (the number of water spray holes).
As seen in No. 1966, an operator is provided on the opposite side of the water spouting hole of the water spouting nozzle, and the operation of this operator opens and closes the on-off valve to increase or decrease the flow rate (the number of water spouting holes). Has been done.

[0003]

However, the above-mentioned conventional techniques have the following problems, respectively. In the water discharge nozzle shown in Japanese Utility Model Laid-Open No. 59-7055, an extra operation of rotating the cylinder occurs, and it cannot be operated with one hand while taking a shower. In the water spouting nozzle seen in Japanese Utility Model Laid-Open No. 63-160957, the water spouting hole group must be closed by sliding a button attached to the valve body, which makes it easy to operate with one hand while taking a shower. Can not. Also, depending on the shape of the button, it may be difficult to move it back and forth with wet hands, and when using the shower, the operating pressure may be reduced due to water pressure on the valve body, dust on the valve body, clogging of hair, etc. There was a problem that it became heavy. Actual Kaisho 61-12
In the water discharge nozzle seen in 1966, when the on-off valve is closed, water is sprayed only from the water spray holes on the outer periphery,
There was a problem that a feeling of hollowness occurred and comfort was lacking. Further, since the operator is provided on the back side of the tip of the water discharge nozzle, it is difficult to operate the operator while holding the water discharge nozzle and spraying water while taking a shower.

An object of the present invention is to solve the above problems. An object of the present invention is to easily open and close a water passage while taking a shower at an opening / closing valve to increase / decrease a flow rate (to a water discharge nozzle). The purpose of the present invention is to provide an easy-to-use water discharge nozzle that enables the increase / decrease in the number of water spray holes provided.

[0005]

In the first aspect of the present invention, the first sprinkling hole group and the second sprinkling hole are provided in the sprinkling portion of the water discharge nozzle to which hot water or water is supplied from the water supply source. And a second water passage connected to the second water spouting hole group, and the first water passage is always connected to the first water passage. The second water passage is provided with an opening / closing valve that opens and closes the water passage while maintaining a waterable state. By opening and closing the opening / closing valve, the water passage state and the water stop state are selected to sprinkle water. The water discharge nozzle is characterized in that the number of holes is increased or decreased and the operator of the on-off valve is arranged at the grip portion of the water discharge nozzle on the water spraying direction side. This allows
In order to increase / decrease the flow rate (increase / decrease the number of water spray holes), the water discharge nozzle can be easily operated by the thumb with the hand. Therefore, the user can obtain a comfortable water discharge.

According to a second aspect of the present invention, the sprinkling portion of the water discharge nozzle supplied with hot water or water from a water supply source is provided with a first sprinkling hole group and a second sprinkling hole group. The first water passage connected to the water spray hole group and the second water passage connected to the second water spray hole group are formed by partitioning, and the first water flow passage always maintains a water-passable state. The second water passage is provided with an on-off valve for opening and closing the water passage, and the water passage state and the water stop state are selected by opening and closing the on-off valve to increase or decrease the number of water sprinkling holes for sprinkling, and The first water spray hole group and the second water spray hole group were arranged in parallel with the first water spray hole group and the second water spray hole group in order from the end of the water spraying section to provide a water discharge nozzle. This makes it possible to easily increase and decrease the flow rate (increase and decrease the number of water spray holes), and by arranging them in parallel, the area of water spray can be expanded in the direction of the water discharge nozzle. Therefore, the user can obtain a comfortable water discharge.

According to a third aspect of the present invention, the first water spray hole group, the second water spray hole group, and the on-off valve are arranged in parallel in the order of the operators. It was used as a water discharge nozzle. Thus, the on-off valve can be operated by operating the operator provided at hand, the flow rate can be easily increased or decreased, and comfortable water discharge can be obtained.

According to a fourth aspect of the present invention, the sprinkling portion of the water discharge nozzle supplied with hot water or water from a water supply source is provided with a first sprinkling hole group and a second sprinkling hole group, and the first sprinkling hole group is provided. The first water passage connected to the water spray hole group and the second water passage connected to the second water spray hole group are formed by partitioning, and the first water flow passage always maintains a water-passable state. The second water passage is provided with an on-off valve for opening and closing the water passage, and the water passage state and the water stop state are selected by opening and closing the on-off valve to increase or decrease the number of water sprinkling holes for sprinkling, and A second water spray hole group is arranged around the outer circumference of one water spray hole group to provide a water discharge nozzle. As a result, water is always sprinkled from the first sprinkling hole group located on the inner side, so that comfortable sprinkling without a hollow feeling can be obtained.
In addition, it is possible to sprinkle water from the second sprinkling hole group and sprinkle water over a wide area, so that usability can be improved.

According to a fifth aspect of the present invention, in the water discharge hole group of the water sprinkling portion, the first water spray hole diameter and the second water spray hole diameter are formed to have different diameters. The water discharge nozzle according to any one of 4 above. As a result, it is possible to simultaneously obtain water sprays having different momentums.

According to a sixth aspect of the present invention, the discharge nozzle according to the fifth aspect is characterized in that the diameter of the first water spray hole is smaller than the diameter of the second water spray hole. This allows
When the water supply pressure is low, only the first water spray hole group can be used to obtain a comfortable water spraying effect, and when the water supply pressure is high or sufficient, the first water spray hole group or A comfortable watering can be obtained by selecting either the first watering hole group or the second watering hole group and watering.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION In order to further clarify the structure of the present invention described above, preferred embodiments of the present invention will be described below.

FIG. 1 is an external view of a water discharge nozzle of a first embodiment relating to the form of the water discharge nozzle of the present invention. 2 and 8 are vertical sectional views of the first embodiment. FIG. 3 is a vertical sectional view of the second embodiment. FIG. 4 is a fractured sectional view of the third embodiment. FIG. 5 is an external perspective view of the fourth embodiment. FIG. 6 is a vertical sectional view of the fifth embodiment. FIG. 7 is a state diagram in which water can be passed to the second water spray hole group by opening the on-off valve by the push button in the first embodiment. FIG. 8 is a sectional view taken along line AA of FIG. FIG. 9 is a cross-sectional view of the open / close state of the open / close valve by the push button operation of the water discharge nozzle.

Explaining the first embodiment, the water discharge nozzle 1 of FIG. 1 comprises a grip portion 8 and a water sprinkling portion 2 attached to the grip portion 8.

As shown in FIG. 2, the water sprinkling portion 2 has a cylindrical shape which also serves as a water passage, and the inside of the cylinder has a first water passage 3 therein.
And the second water passage 4 are divided into two rooms, the grip portion 8
It is attached via the elastic body 5. Each of the water passages 3 and 4 in the cylindrical shape is provided with a plurality of sprinkling holes 6 and 7 for spouting, respectively, so that the hot water supplied by a hot and cold water mixing tap or the like can be sprinkled.

In the water discharge nozzle 1, a shower hose (not shown) is connected to the base end portion 17 of the grip portion 8, and the water sprinkling portion 2 is attached to the grip portion 8 via an elastic body 5, and the water spray nozzle 1 is provided at an intermediate portion. Is equipped with a push button 9 which is an operator.
The on-off valve unit 10 that can open / close the water passage to increase / decrease the flow rate (increase / decrease the water spray area) is incorporated.

When hot water is supplied in the closed state without operating the push button 9 which is the operator, the opening / closing valve section 10 causes the water discharge nozzle 1 to operate.
The first water passage 11 formed on the grip portion 8 side is open, and the first water passage 11 communicates with the first water passage 3 on the upper water sprinkling portion 2 side and is formed on the upper side of the water sprinkling portion 2. Water is sprayed from 6 groups of water spray holes.

When the user pushes the push button 9 which is the operator, the opening / closing valve 18 is opened and the second water passage 19 formed on the grip portion 8 side is also opened. That is, the first water passage 1
1 and the second water passage 19 through the opening 24 provided in the side wall that divides the first water passage 19 from the first water passage 11.
Is passed to. The second water passage 19 on the grip portion 8 side communicates with the second water passage 4 on the water sprinkling portion 2 side, and water is sprinkled from a group of water sprinkling holes 7 formed on the lower side of the water sprinkling portion 2.

By pressing the push button 9 which is the operator, the on-off valve 1
By making 8 open, water is sprinkled through the first water passage 3 and the second water passage 4. By pressing the push button 8 which is the operator again, the on-off valve 18 is closed, water is only passed through the first water passage 3 of the water sprinkling portion 2, and water is sprinkled through the water sprinkling hole 6. It is possible to vary the amount of watering (area of watering part). It should be noted that FIGS. 7 and 8 show a state in which the open / close valve 18 is opened by pressing the push button 9 which is the operator. The arrows in the figure indicate the water flow path and the water flow direction. FIG. 9 shows a partially enlarged view of the push button 9 of FIG. The push button 9 is provided with a push pin 9a that expands and contracts toward the opening / closing valve 18 side when the push button 9 is pressed. And in FIG.
As shown in (A), the push pin 9a maintains the state in which the on-off valve 18 is pushed, so that the on-off valve 18 is maintained in the open state. When the push button 9 is pushed again, as shown in FIG. 9 (B), the push pin 9a is shortened in the protruding portion housed in the push button 9 main body, and the opening / closing valve 18 seals the opening 24 by closing it. It is suppressed by the elastic force of the spring 10a provided in the on-off valve portion 10 so as to be watertight with the portion 23.

As a second embodiment, as shown in FIG. 3, it is possible to divide the water passage by configuring each room 21 and 22 of the water sprinkling section 2 with two parts, and the above-mentioned function is achieved. Will be satisfied.

As a third embodiment, as shown in FIG. 4, the sprinkling hole group of the sprinkling section 13 whose cylindrical interior is divided is not provided together with the sprinkling section 2 main body, but instead of a conventional hot and cold water mixing faucet. The sprinkler plates 12 and 13 to the sprinkler section 2 with the screws 14 for fixing the sprinkler plates,
It can also be fixed. The above configuration can be made the same when each room is divided as shown in FIG.

FIG. 5 shows a fourth embodiment of the present invention, in which a plurality of water spray hole groups 1 provided in each room of the water spray section 20 are provided.
The hole diameters of 5 and 16 are different from each other.

By making the diameters of the first water spray hole 15 and the second water spray hole 16 different, the diameter of water discharged from the first water spray hole 15 can be used as a shower water discharge when the pressure of water supply / hot water supply is low. It is suitable. In addition, when the pressure for hot water supply / hot water supply is sufficiently secured, by operating the push button 9 of the operator, water is also sprayed from the second water spray hole 16,
It is possible to make a watering situation corresponding to each use condition such as taking a comfortable shower with a different watering form.
In this case, it is preferable to make the diameter of the first water spray hole 15 that is constantly sprayed small.

FIG. 6 shows a fifth embodiment of the present invention, in which the first water spray hole 6 is arranged at the center of the water spray portion of the water spray portion 2 and the second water spray hole 6 is provided with the second water spray hole 6 on the outer periphery of the first water spray hole 6. A watering hole 7 is arranged. The on-off valve 18 is operated by operating the push button 9 which is an operator.
Can be opened and closed to select water spray from the first water spray hole 6 or water spray from the first water spray hole 6 and the second water spray hole 7.

The construction of the push button 9 in each of the embodiments shown in FIGS. 3 to 6 is the same as that of the push button 9 shown in FIG.

The water discharge nozzle of the present invention is particularly preferably used as a hand shower nozzle for bathrooms. Since the push button 9 can be operated with the thumb while holding the grip portion 8, it is possible to simultaneously increase or decrease the flow rate (the number of water spray holes) of the water spray while holding the water discharge nozzle 1 by hand and taking a shower. This is because. Further, the present invention is not limited to the above-described embodiment, and various modifications are possible, and it can be used for various water discharge nozzles such as kitchen faucets and wash faucets.

[0026]

EFFECTS OF THE INVENTION Since the present invention is formed as described above, it is possible to provide an easy-to-use water discharge nozzle capable of opening / closing the water passage and operating the opening / closing valve to increase / decrease the flow rate (increase / decrease the number of water spray holes). can do.

[Brief description of drawings]

FIG. 1 is an external view of a water discharge nozzle that is a first embodiment of the present invention.

FIG. 2 is a vertical cross-sectional view of the water discharge nozzle according to the first embodiment of the present invention.

FIG. 3 is a vertical cross-sectional view of a water discharge nozzle that is a second embodiment of the present invention.

FIG. 4 is a fracture cross-sectional view of a water discharge nozzle that is a third embodiment of the present invention.

FIG. 5 is an external view of a water discharge nozzle that is a fourth embodiment of the present invention.

FIG. 6 is a vertical cross-sectional view of a water discharge nozzle that is a fifth embodiment of the present invention.

FIG. 7 is a vertical cross-sectional view of the water discharge nozzle according to the first embodiment of the present invention when a push button is operated.

FIG. 8 is a vertical cross-sectional view of the water discharge nozzle according to the first embodiment of the present invention when a push button is operated.

FIG. 9 is a cross-sectional view of the opened / closed state of the open / close valve according to the push button operation of the water discharge nozzle according to the first embodiment of the present invention.

[Explanation of symbols]

1 ... Water discharge nozzle 2 ... Sprinkling part 3 ... First waterway (formed on the sprinkler side) 4 ... Second water passage (formed on the sprinkler side) 5 ... Elastic body 6 ... First sprinkler hole 7 ... Second sprinkling hole 8 ... Grip 9 ... pushbuttons 10. On-off valve 11 ... First water passage (formed on grip side) 12..Sprinkler plate 13..Sprinkler plate 14 ... Fixing screws 15 ... First sprinkling hole 16 ... Second sprinkling hole 17 ... Base end 18 ... Open / close valve 19 ... Second water passage (formed on the grip side) 20 ... Sprinkler 21 ... Room 22 ... Room 23 ... Seal part 24 ...

Claims (6)

[Claims] 1. A first spouting hole group and a second spouting hole group are provided at a sprinkling portion of a discharge nozzle to which hot water or water is supplied from a water supply source, and the first spouting hole group is connected to the first spouting hole group. And a second water passage connected to the second group of water spouting holes are partitioned and formed, the first water passage always maintains a water-permeable state, and the second water passage is An on-off valve that opens and closes the water channel is provided, and the open / close valve is opened / closed to select a water flow state or a water stop state to increase or decrease the number of water sprinkling holes for sprinkling, and to discharge the operator of the on-off valve. A water discharge nozzle, which is arranged in a grip portion on the water spraying direction side of the nozzle. 2. A first spouting hole group and a second spouting hole group are provided at a sprinkling portion of a discharge nozzle to which hot water or water is supplied from a water supply source, and the first spouting hole group is connected to the first spouting hole group. And a second water passage connected to the second group of water spouting holes are partitioned and formed, the first water passage always maintains a water-permeable state, and the second water passage is An open / close valve for opening and closing the water channel is provided, and the open / close valve is opened / closed to select a water-flowing state or a water-stopping state, thereby increasing or decreasing the number of water spray holes for spraying water. The second sprinkling hole group is arranged in parallel with the first sprinkling hole group and the second sprinkling hole group in order from the end of the sprinkling portion, and the spouting nozzle. 3. The water discharge nozzle according to claim 2, wherein the first water spray hole group, the second water spray hole group, and the operator of the on-off valve are arranged in parallel in this order. 4. A first spouting hole group and a second spouting hole group are provided at a sprinkling portion of a water discharge nozzle supplied with hot water or water from a water supply source, and the first spouting hole group is connected to the first spouting hole group. And a second water passage connected to the second group of water spouting holes are partitioned and formed, the first water passage always maintains a water-permeable state, and the second water passage is An opening / closing valve for opening and closing a water channel is provided, and by opening / closing the opening / closing valve, a water passing state or a water stopping state is selected to increase / decrease the number of water sprinkling holes for sprinkling, and the outer circumference of the first water sprinkling hole group. A water discharge nozzle characterized in that a second water spray hole group is arranged in the. 5. The water spouting hole group of the water sprinkling portion has a first water sprinkling hole diameter and a second water sprinkling hole diameter different from each other. The water discharge nozzle described. 6. The water discharge nozzle according to claim 6, wherein the diameter of the first water spray hole is smaller than the diameter of the second water spray hole.