JP4260943B2 - Water discharge head with water stop function - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
TECHNICAL FIELD The present invention relates to a water discharge head with a water stop function that enables selection of hot water stoppage and two types of water discharge by a button switching operation.
[0002]
[Prior art]
Conventionally, the flow path of hot water discharged from the water discharge head is selected from two types of water discharge depending on the application, and further water can be stopped as shown in FIG. 3 (a) of JP-B-2-42974. FIG. 8) of the drawings of the present application. Referring briefly to FIG. 8, the water discharge head includes a cylindrical case 36 fixed to the tip of the water supply pipe 35 of the currant, and a rotation axis within the case 36 is rotatable perpendicularly to the case axial direction. The rotary valve element 38 and the external operating means for rotating the rotary valve element 38 are provided. An inflow passage 37 communicating with the water supply pipe 35 is formed at one end of the case 36 in the axial direction. A first outflow passage 39 having a direct water discharge opening 42 is formed at the center of the other end, and an outflow hole 43 formed in the vicinity of the first outflow passage 39 and around the direct water discharge opening 42. A second outflow passage 44 having a sprinkling opening 45 that is formed and communicated with the outflow hole 43 is formed around the first outflow passage 39, and an inflow passage 37 is formed in the rotary valve body 38. Selectively to one of path 39 and second outflow path 44 Through providing a waterproof part 41 for closing a water passage portion 40 of the inlet passage 37 for passing water, water stop the rotational position of the external operation unit, in which is switched to the state of straight water discharge, water spray.
[0003]
Even if the above-mentioned water discharge head is spouted from the direct water discharge opening when the external operation means is rotated from the water stop position, and is further rotated to discharge water from the water spray opening, even when switching to the water spray state During the rotation from the water discharge position, the hot water in the DC state is discharged, and when the external operation means is returned to the water stop position after use, the hot water in the DC state is discharged. As a result, it is very inconvenient. Moreover, in order to switch from the water stop position to the watering state, the amount of rotation of the external operation means becomes large, and a quick switching operation cannot be performed.
[0004]
[Problems to be solved by the invention]
The problem to be solved by the present invention is that when switching from a water stop position to any water discharge state in a water discharge head with a water stop function that allows selection of water stoppage and two types of water discharge by the operation of a button. It is to be able to obtain a desired water discharge state quickly.
[0005]
[Means for Solving the Problems]
According to the present invention, in the water discharge head with a water stop function that switches the hot water flow path to the first water discharge section or the second water discharge section by operating the button, and further enables water stoppage, the holding member connected to the button is allowed to flow. The switching chamber is movably interposed in a switching chamber formed in the lower portion of the passage, and the switching chamber communicates with the flow path through a water stop hole formed in the upper portion of the partition wall at the upper portion. The first valve hole communicating with the second valve hole and the second valve hole communicating with the second water discharge portion are formed at intervals, and the holding member urges the water stop valve and the switching valve up and down by a spring accommodated therein. When the button is in the center position, the water stop valve closes the water stop hole and stops the water, and the water stop hole is opened by operating the button from one stop position to the other or moving the holding member. Then, the switching valve opens and closes the first valve hole or the second valve hole, and discharges from the first water discharge part or the second water discharge part. Those that made it possible to.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
In this embodiment, as shown in FIG. 1, a mixing faucet A attached to a top board B such as a sink or a wash basin is provided with a lever handle 1 for adjusting the water discharge amount and temperature at the upper part, and a body part 2 The holder 3 is provided so as to be capable of rotating upwardly, and a water discharge head 4 is supported at the tip of the holder 3 so as to be freely drawn out. The water discharge head may be attached to the top plate separately from the mixing faucet.
[0007]
As shown in FIGS. 2 to 4, the water discharge head 4 has a switching chamber 8 formed in a lower portion of a flow path 5 through which hot water passes, and the switching chamber 8 is a partition wall formed in a planar shape with the flow path 5. 6 is communicated with the flow path 5 by a water stop hole 7 formed in the approximate center. A disc-shaped partition plate 9 in which a seal packing 11 for preventing water leakage is fitted in a groove 10 on the circumference is attached to the lower portion of the switching chamber 8. As shown in FIGS. 5 to 7, a horizontally long seat packing 12 made of rubber is fitted into the upper center portion of the partition plate 9. The two valve holes 13a are formed at intervals so as to be positioned concentrically around a shaft body 25 of the button 24 described later. Further, a first water discharge portion 15 that discharges DC hot water is formed in the cylindrical portion 14 that protrudes from an eccentric position below the partition plate 9 and communicates with the first valve hole 13. The water discharger 15 has a rectifying network 16a for rectifying hot water in a cap 16 screwed to the lower part of the cylindrical part 14.
[0008]
The water spray plate 19 has a cylindrical shape with upper and lower openings, and is mounted by screwing a female screw portion 20 on the upper inner periphery with a male screw portion 17 formed on the lower outer periphery of the water discharge head 4 with a packing 18 interposed therebetween. The intermediate member 21 forms a second water discharge portion 22 that communicates with the second valve hole 13a of the partition plate 9, and the outlet protruding downward is a long hole 23. In addition, since the long hole 23 is vertically long and formed in a slit shape, it is possible to discharge hot water toward a sink or the like with a wide and strong water force, and it is soiled when washing vegetables and dishes in the sink. Can be dropped quickly, and it is convenient because there are few jumps.
[0009]
The seesaw type button 24 is interposed on the front surface of the water discharge head 4 so that a part thereof is exposed to the outside, and the holding member 26 of the shaft body 25 connected to the button 24 as shown in FIGS. A ball-shaped water stop valve 28 which is interposed in the chamber 8 and is biased upward by the elastic force of a spring 27 accommodated in the vertical direction and opens and closes the water stop hole 7 of the partition wall 6 from below, and biased downward. A switching valve 29 that opens and closes the first valve hole 13 or the second valve hole 13a from above is supported.
[0010]
In the water discharge head 4 having the above-described configuration, the water stop valve 28 connected to the button 24 in FIGS. 2 and 5 is located vertically opposite the water stop hole 7 and is biased upward by the elastic force of the spring 27. 7 is closed, even if the lever handle 1 of the mixing tap A is operated in the direction of water discharge, hot water is not supplied from the flow path 5 to the switching chamber 8 and is in a water-stopped state.
[0011]
When the button 24 is pushed to one side from the previous water stop position, the water stop valve 28 and the switching valve 29 are moved in the horizontal direction together with the holding member 26 around the shaft body 25, and the flow is as shown in FIGS. 3 and 6. The passage 5 and the switching chamber 8 communicate with each other through the water stop hole 7, and the switching valve 29 is urged downward by the elastic force of the spring 27 to close the second valve hole 13 a and to open the first valve hole 13. is doing. At this time, the hot water in the switching chamber 8 passes through the rectifying network 16a from the first water discharge section 15 and is spouted vigorously in a rectified DC state without any disturbance, and this DC water is quickly discharged into a cup or other large container. Suitable for hot water.
[0012]
Next, when the button 24 is pushed in the direction opposite to the above from the water stop position, the water stop valve 28 and the switching valve 29 are moved in the horizontal direction together with the holding member 26 around the shaft body 25, as shown in FIGS. As shown, the flow path 5 and the switching chamber 8 communicate with each other through the water stop hole 7, and the switching valve 29 is biased downward by the elastic force of the spring 27 to close the first valve hole 13 and open the second valve hole 13 a. Is located. At this time, the hot water in the switching chamber 8 passes through the long hole 23 from the second water discharge section 22 and is discharged in a wide vertical range, and the entire surface of vegetables, tableware, and the like can be quickly washed by the sink.
[0013]
In the present embodiment, DC water is discharged from the first water discharge section, and vertically long hot water is discharged from the second water discharge section. However, the water discharge form is not limited, and the water flow or foam flow is not limited. Etc. may be changed.
[0014]
【The invention's effect】
In the present invention, in the water discharge head with a water stop function that switches the hot water flow path to the first water discharge portion or the second water discharge portion by the operation of the button, and further enables water stop, the holding member connected to the button is provided. The switching chamber is movably interposed in a switching chamber formed in the lower part of the flow path, and the switching chamber communicates with the flow path by a water stop hole formed in the upper part of the partition wall at the upper center. A first valve hole communicating with the second portion and a second valve hole communicating with the second water discharge portion are formed at intervals, and the holding member is provided with a water stop valve and a switching valve vertically by a spring housed inside. When the button is in the center position, the water stop valve closes the water stop hole and stops the water, and the button is moved from the water stop position to one or the other to move the holding member. The first valve hole or the second valve hole is opened and closed by the switching valve, and the first water discharge part or the second water discharge part It made it possible to Luo water discharge. Therefore, when the hot water is discharged from the water stoppage state, the switching operation to the first water discharge portion or the second water discharge portion can be quickly performed, and the usability is extremely good.
[0015]
In addition, when the conventional water discharge head is operated in the direction of discharging hot water from the water stop state, hot water in an unnecessary form is discharged and wastefully flows out, but in the present invention, the water stop position is at the center. Therefore, if the button is operated to one side from the water stop state, the desired form of hot water can be discharged, which is extremely economical.
[Brief description of the drawings]
FIG. 1 is a side view of a mixing faucet provided with a water discharge head.
FIG. 2 is a cross-sectional view of a water discharge head in a water stop state.
FIG. 3 is a longitudinal sectional view when water is discharged from a first water discharge portion of the water discharge head.
FIG. 4 is a longitudinal sectional view when water is discharged from a second water discharge portion of the water discharge head.
FIG. 5 is a cross-sectional plan view of a water discharge head in a water stop state.
FIG. 6 is a plan sectional view when water is discharged from a first water discharge portion of the water discharge head.
FIG. 7 is a plan sectional view when water is discharged from a second water discharge portion of the water discharge head.
FIG. 8 is an explanatory diagram of the prior art.
[Explanation of symbols]
4 Water discharge head 5 Channel 6 Partition 7 Water stop hole 8 Switching chamber 9 Partition plate 13 First valve hole 13a Second valve hole 15 First water discharge part 22 Second water discharge part 24 Button 26 Holding member 27 Spring 28 Water stop valve 29 Switching valve

Claims (1)

In the water discharge head with a water stop function that switches the hot water flow path to the first water discharge section or the second water discharge section by the operation of the button, and further allows the hot water to be stopped, the holding member connected to the button is arranged at the lower part of the flow path. The switching chamber is movably interposed in the formed switching chamber. The switching chamber communicates with the flow path through a water stop hole formed in the upper part of the partition wall at the upper center, and communicates with the first water discharge section through a partition plate attached to the lower portion. 1 valve hole and a 2nd valve hole communicating with the 2nd water discharge part are perforated at intervals, and the holding member urges the water stop valve and the switching valve up and down by a spring housed inside, and the button When in the center position, the water stop valve closes the water stop hole and stops the water, and operates the button from one water stop position to the other to move the holding member to open the water stop hole. Opens or closes the first valve hole or the second valve hole to enable water discharge from the first water discharge part or the second water discharge part. Water stop function with the water discharge head, characterized in that was.

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