JPH11113775A - Switching valve for shower nozzle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a switching valve for a shower nozzle which can simply be mounted by simple constitution and can separately supply filtered water and raw water such as city water by eliminating the inconvenience of which a conventional shower nozzle has, especially of the frequent exchange of a water purifying filter medium. SOLUTION: A water purifying cartridge mounted to the inside of a shower nozzle main body 10 is provided with a flexible valve 20 being a switching valve for a shower nozzle for feeding water and assembled to a valve supporting member 13 in the state of prohibiting the deviation, a switching valve seat 12 which is provided with a first water flowing space 12a for guiding water discharged from its discharging port 20a to the lower tip center part of the cartridge, a second water flowing space 12b for guiding water discharged from the turned discharging port 20a to the outer peripheral wall surface of the cartridge and a valve supporting member 13 is provided with the turnable switching valve seat 12 to switch the position of a discharging port 20a by turning the member 13 so that the shower nozzle can selectively switched and feed the water to the first or second space 12a and 12b.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a switching valve for a shower nozzle, and more particularly, to a method for separately supplying raw water and filtered water supplied from a water supply to a cartridge mounted in a shower nozzle body. The present invention relates to a shower nozzle switching valve mounted on a shower nozzle.

[0002]

2. Description of the Related Art Conventionally, there has been known a shower nozzle used for bathing or washing a hair, in which a purifying tool or purifying device filled with, for example, activated carbon for purifying raw water such as tap water is incorporated. .

[0003]

However, the conventional shower nozzle is provided with a normal discharge port for exerting a massage function and a shower discharge port for exerting a shower function on its head, and selectively provides the same. It was something to switch.

On the other hand, a shower nozzle incorporating a water purifying tool or a water purifying device for purifying tap water or the like is provided with a water purifying filter even when it is not necessary to purify the water as when cleaning a bathtub or the like. Because the water is to be purified, these water purification filter media have been severely deteriorated and need to be replaced frequently.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and a problem to be solved is to eliminate the inconvenience of frequently changing the filter material, particularly the water purification filter, of the conventional shower nozzle described above. An object of the present invention is to provide a simple configuration, which can be easily attached to a conventional shower nozzle, and can separately supply raw water such as filtered water and tap water which are preferably used in bathing, hair washing, and the like. hand,
It is an object of the present invention to provide a switching valve for a shower nozzle capable of using a water purification filter without waste.

[0006]

The gist of the present invention adopted to solve the above-mentioned problems is as described in the appended claims.

According to the shower nozzle switching valve 100 of the present invention having such a configuration, the flexible valve body 20 provided to be displaced from the intake side communicates with the intake 13a. Since the discharge port 20a is opened, as shown in FIG. 15, for example, when the discharge port 20a is arranged so as to be in a position overlapping with the first water passage space 12a,
The second water passage space 12b is covered by the valve body 20 and is in a shut-off state, and all the water discharged from the discharge port 20a can be selectively discharged toward the first water passage space 12a. Then, fastener 1
4 and the valve support member 13 is rotated to
When the discharge port 20a is switched to a position overlapping the second water passage space 12b, as shown in FIG.
The water passage space 12a is shut off by the valve body 20, and all the water discharged from the discharge port 20a can be selectively discharged toward the second water passage space 12b. That is, for example, raw water and filtered water can be separately supplied.

The pressure of the supplied water is generally high, and the valve body 20 is flexible.
0 can be brought into close contact with the lower surface of the switching valve seat 12 to prevent leakage.

Next, the water introduced into the first water passage space 12a can be supplied at a high pressure to the lower end of the cartridge 10a mounted inside the shower nozzle body.
For example, water can be guided toward the shower nozzle head only through the granular EM-X ceramic layer Y provided at the center of the cartridge 0a, and the water guided into the second water passage space 12b passes through the outer peripheral wall of the cartridge 10a. , For example, the outer activated carbon layer X
Through the granular EM-X ceramic layer Y to the shower nozzle head. That is, raw water such as tap water is partially purified by treatment with an activated carbon layer, and then can be treated with a granular EM-X ceramic layer.
In particular, the waste of expensive granular EM-X ceramics is reduced, and the purification ability thereof can be maintained and used efficiently.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. However, the present invention can be implemented with appropriate design changes without departing from the spirit of the present invention.

FIG. 1 is an exploded perspective view showing a switching valve 100 for a shower nozzle according to an embodiment of the present invention.
FIG. 3 is a perspective view schematically showing an example of a shower nozzle equipped with the shower nozzle switching valve 100.

In FIG. 1, a switching valve 100 for a shower nozzle according to this embodiment is mounted on a cartridge 10a mounted inside a shower nozzle main body 10 for separating and supplying raw water and filtered water. A valve support member 13 provided with a flexible valve body 20 having a discharge port 20a communicating with the intake 13a on the opposite side to the discharge port 20a;
Water passage space 12a for guiding water discharged from
And a switching valve seat 12 having a second water passage space 12b, and a fastener 14 for connecting and supporting the valve support member 13 to the switching valve seat 12 and rotating the valve support member 13 together with the fastener 14. The discharge port 20a of the flexible valve body 20
Is switched, the first water passage space 12a and the second water passage space 12b can be selectively communicated.

FIG. 3 is a plan view of the valve support member 13, and does not show the flexible valve element 20. FIG. 4 is a cross-sectional view of FIG.
FIG. 5 is a partial cutaway view along the line BB in FIG. 3, and FIG. 6 is a plan view of the flexible valve body 20 mounted in the valve support member 13. .

In FIG. 1, the valve support member 13 has an inlet 13a on the water supply side, a flexible valve body 20 on the opposite side of the inlet, and supplies raw water or the like to the lower end of the outer peripheral wall. Connecting portion 13d for detachably attaching water supply pipe
Is provided, and the upper end is provided with an o-ring 2
1 and assembled together. A guide piece 13b is provided at an upper end of the valve support member 13, and a locking portion 13c is formed at an upper end of an inner wall thereof.

The flexible valve body 20 is made of synthetic rubber, and is shown in FIG.
As shown in the figure, two discharge ports 20a communicating with the water supply inlet 13a of the valve support member 13 are opened, and the outer peripheral edge thereof is formed in a shape that can be locked to each of the locking portions 13c. The notch 20b is provided, and the valve support member 1 is provided.
It is installed in a state where it is prevented from being shifted above 3.

FIG. 7 is a plan view of the switching valve seat 12.
8 is a partially cutaway view along line AA of FIG. 7, FIG. 9 is a partially cutaway view along line BB of FIG. 7, and FIG. 10 is a partially cutaway view along line CC of FIG. It is. FIG. 11 is a bottom view of the switching valve seat 12.

Referring to FIG. 1, a switching valve seat 12 is provided with a cartridge 10 for discharging, for example, filtered water discharged from a discharge port 20a.
a first water passage space 12a for guiding water to the center of the lower end of the cartridge a, and a second water passage space 12b for guiding, for example, raw water discharged from the discharge port 20a to the outer surface of the peripheral wall of the cartridge 10a. A C-shaped guide groove 12c is formed on the lower surface. When the guide groove 12c holds a guide piece 13b provided on the valve support member 13, the valve support member 13 can be rotated. And it can be assembled in a state where rotation is restricted.

The switching valve seat 12 and the valve support member 13 are
An o-ring 21 is interposed and fixed by a fastener 14 shown in a partially broken front view in FIG.

According to the switching valve 100 for a shower nozzle of the present invention adopting such a configuration, the flexible valve body 20 assembled in a non-shifted state on the side opposite to the intake side has the intake port 13a of the valve support member 13. Since the discharge port 20a communicating with the valve support member 13 is rotated together with the fastener 14, as schematically shown in FIG.
Is disposed so as to overlap with the first water passage space 12a, the second water passage space 12b is covered and blocked by the valve body 20, and all of the water discharged from the discharge port 20a is blocked by the first water passage space. The water can be selectively discharged toward the water space 12a. At the same time, the pressure of the supplied water is generally high, and the valve body 20 is made of a flexible material. 12
The flexible valve body 20 can be brought into close contact with the outer peripheral edge of the entrance b to prevent leakage.

Similarly, the valve support member 1 together with the fastener 14
3 is rotated so that the discharge port 20a of the flexible valve body 20 is in the second position.
When switched to a position overlapping with the water passage space 12b, as shown schematically in FIG.
a is shut off by the valve body 20, and all the water released from the discharge port 20a can be selectively discharged to the second water passage space 12b. At the same time, the valve body 20 can be brought into close contact with the lower surface of the switching valve seat 12, particularly the outer peripheral edge of the entrance of the first water passage space 12a, and leakage can be prevented.

That is, for example, raw water and filtered water can be divided and supplied.

Incidentally, one example of the cartridge 10a mounted on the shower nozzle main body has, for example, a granular EM-X ceramic layer Y inside thereof and an activated carbon layer X provided outside the granular EM-X ceramic layer Y. In particular, the raw water discharged from the second water passage space 12b is guided to the granular EM-X ceramic layer Y via the activated carbon layer X. That is, in purified water such as filtered water, granular EM-X ceramic treatment can be directly performed without activated carbon treatment, and in raw water such as tap water, granular water is partially purified by an activated carbon layer and then granulated. Since the EM-X ceramic processing can be performed, particularly expensive granular EM of the cartridge 10a is used.
-Purification ability can be maintained with less waste of -X ceramic, and it can be used efficiently.

When a switching device for selectively communicating a normal discharge port and a shower discharge port is mounted on the shower nozzle head, discharge water can be discharged from the normal discharge port in a focused state, and a massage effect can be expected. Water can be discharged from the shower outlet in a shower state, and hair care and skin care can be expected with a soft water flow.

[0024]

As described above, the shower nozzle switching valve according to the present invention has a simple structure and can be easily attached to a conventional shower nozzle, and is preferably used for bathing, hair washing and the like. And the raw water such as tap water can be separately supplied, the purifying capability can be maintained without waste of the cartridge, that is, the filter medium, and the operation and effect can be obtained.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a shower nozzle switching valve according to an embodiment of the present invention.

FIG. 2 is a perspective view schematically showing one shower nozzle equipped with the shower nozzle switching valve shown in FIG.

FIG. 3 is a plan view of a valve support member that is a component of the switching valve for the shower nozzle illustrated in FIG. 1, in which a flexible valve element is not described.

FIG. 4 is a partially broken sectional view taken along line AA of FIG. 3;

FIG. 5 is a partially cutaway view along the line BB in FIG. 3;

FIG. 6 is a plan view of a flexible valve element mounted in the valve support member.

FIG. 7 is a plan view of a switching valve seat which is a component of the switching valve for the shower nozzle shown in FIG.

FIG. 8 is a partially cutaway view along the line AA of FIG. 7;

FIG. 9 is a partially cutaway view along the line BB of FIG. 7;

FIG. 10 is a partial sectional view taken along the line CC of FIG. 8;

FIG. 11 is a bottom view of the switching valve seat valve shown in FIG. 7;

FIG. 12 is a partially broken front view showing a fastener.

FIG. 13 is an exploded perspective view of an essential part for explaining a use state of the switching valve for a shower nozzle according to the present invention, in which a discharge port is arranged at a position overlapping a first water passage space, The second water passage space is covered and blocked by a valve body.

FIG. 14 is an exploded perspective view of an essential part for explaining another state of use of the shower nozzle switching valve according to the present invention, in which a discharge port is arranged at a position overlapping a second water passage space. The first water passage space is covered and blocked by a valve body.

FIG. 15 is a cross-sectional view showing the state of FIG. 13, showing a state in which the discharge port is arranged at a position overlapping the first water passage space and water is guided to the lower end portion of the cartridge.

FIG. 15 is a cross-sectional view showing the state of FIG. 14, showing a state in which a discharge port is arranged at a position overlapping the second water passage space and water is guided to the outside of the cartridge.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Shower nozzle main body 10a ... Cartridge 11 ... Main body frame 12 ... Switching valve seat 12a ... 1st water passage space 12b ... 2nd water passage space 12c ... Guide groove 13 ... Valve support member 13a ... Inlet 13b ... Guide piece 13c ... Locking portion 13d Connecting portion 14 Fastener 20 Flexible valve 20a Discharge port 20b Notch 21 O-ring 100 Switching valve for shower nozzle X X Activated carbon layer Y Granular EM-X ceramic layer

Claims (3)

[Claims] 1. A shower nozzle switching valve for distributing raw water and filtered water to a cartridge mounted inside a shower nozzle main body, the valve being provided on a main body frame, and on a water supply side of the raw water and filtered water. A valve support member having an inlet, a guide piece protruding at an upper end and a connecting portion for connecting a water supply pipe at a lower end portion, and a discharge port communicating with the intake port are provided on a counter intake side. A flexible valve body assembled in a non-shifting state on a side opposite to the intake port of the valve support member, and a second valve for guiding the filtered water discharged from the discharge port to a center of a lower end of the cartridge. A first water passage space, a second water passage space for guiding the raw water discharged from the discharge port to the outer peripheral wall surface of the cartridge, and a guide groove formed in a lower surface; Lock the guide piece in the groove A switching valve seat that is assembled in a state in which the valve support member is rotatable and rotation-controlled, and a fastener that connects and supports the valve support member to the switching valve seat. By rotating the valve support member together with a fastener to switch the position of the discharge port of the flexible valve body, the first
A switching valve for a shower nozzle, which selectively switches between a water passage space and the second water passage space. 2. The shower nozzle according to claim 1, wherein a switching device for selectively communicating the normal discharge port and the shower discharge port is mounted on the head, and the head is mounted on the shower nozzle body on which the cartridge is mounted. Switching valve. 3. The switching valve for a shower nozzle, wherein the cartridge has therein a granular EM-X ceramic layer and an activated carbon layer provided outside the granular EM-X ceramic layer; 3. The switching valve for a shower nozzle according to claim 1, wherein the raw water discharged from the space is guided to the granular EM-X ceramic layer through the activated carbon layer. 4.