JPH10309565A - Structure for connecting mixed water faucet provided with showering function and water purifier - Google Patents

Abstract

PROBLEM TO BE SOLVED: To use a mixed water faucet as it is only by changing the piping structure between the mixed water faucet and a water purifier at the time of connecting the undersink-type water purifier to the mixed water faucet provided with showering function and to easily set the water purifier afterward. SOLUTION: A water discharge port 7c is capable of being pulled out of the body 7a of a water faucet fixed to the top plate 3 of a sink cabinet in this mixed water faucet 7 provided with showering function. A bypass 14 branched from the upstream side of the water faucet of a water passage and joined to the downstream side is formed in the middle of the water passage extending from the city water supply main cock 5 to the water discharge port 7c of the mixed water faucet 7 and below the mixed water faucet 7 contg. a water faucet valve closing the water passage in the body 7a, and a water purifier 10 and a purified water valve 15 for closing the bypass 14 are set in the middle of the bypass 14.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water purifier integrated with a mixing faucet, and more particularly to a mixing faucet with a shower function in which a discharge port capable of switching between a shower and a straight can be pulled out from a faucet body. On the other hand, the present invention relates to a structure for connecting a water purifier disposed below a sink.

[0002]

2. Description of the Related Art There are many types of household water purifiers used for removing impurities such as red rust and chalk contained in tap water.
In addition to the one that is directly attached to the faucet (faucet) of the faucet, the water purifier containing the cartridge for filtration is placed on the top plate of the sink, and the removal performance is relatively large. A water outlet part connected to the water purifier by two pipes is detachably installed in the water outlet (faucet) of the faucet of the sink, and the tap water is operated by operating the switching lever provided on the water outlet part. There is conventionally provided one that switches between water and purified water.

However, in the case of such a type in which such a water purifier is placed on a top plate, the usable space of the sink top plate frequently used in cooking is narrowed. A water purifier is arranged in a storage cabinet below the sink, and a pipe connected to the water purifier is connected to a mixing faucet fixed to a top plate of the sink, or The so-called undersink type, which is connected to a dedicated faucet fixed to the top plate of the sink separately and operates the lever provided on those faucets to switch between tap water and purified water Many water purifiers (built-in water purifiers) have been provided.

[0004]

The mixing faucet fixed to the top plate of the sink is supplied with normal temperature water (tap water) supplied from a water supply pipe and a hot water pipe. The heated hot water is mixed at an arbitrary ratio by operating the lever of the faucet, and is allowed to flow out of the spout.
Inside of the body of the mixing faucet, an inflow passage of room temperature water, an inflow passage of heating hot water, and an outflow of discharge water (a mixture of room temperature water and heating hot water, or one of room temperature water and heating hot water). In order to connect the undersink type water purifier as described above to such a mixing faucet, each of the water passages is already formed, two water passages connected to the water purifier are provided. It must be passed through the body of the faucet.

[0005] In particular, in the case of a mixing faucet with a shower function in which a spout port capable of switching between a shower and a straight can be pulled out from the faucet body and used, the outflow of water connected to the spout port can be performed. Since the passage is once drawn out below the body of the faucet, a margin is provided by the amount of the water outlet, and the passage is again connected to the water outlet through the body. The number of water passages passing through the inside increases, and it becomes necessary to make the body thicker, so that the existing mixing faucet cannot be used as it is.

[0006] In order to solve the above-mentioned problems, the present invention relates to connecting an undersink type water purifier to a mixing faucet with a shower function, and a piping structure between the mixing faucet and the water purifier. An object of the present invention is to make it possible to use an existing mixing faucet as it is simply by changing the water purifier and to easily install a water purifier by retrofitting.

[0007]

According to the present invention, there is provided a water faucet body fixed to a top plate of a sink, as described in claim 1 above. For a mixing faucet with a shower function from which a spout can be drawn out, the water that opens and closes the water passage in the middle of a water passage extending from the tap water supply tap to the spout of the mixing faucet. A bypass passage is formed below the mixing faucet in which the faucet valve is housed in the body, the bypass passage branching from the upstream side of the faucet valve and merging downstream with the faucet valve. A water purifier for filtering tap water and a water purification valve for opening and closing the bypass passage are provided in the middle of the passage.

Further, in the connection structure between the mixing faucet with a shower function and the water purifier according to the first aspect, the water purification valve for opening and closing the bypass passage is provided with the water purifier. It is characterized by being installed in a bypass passage on the more upstream side.

Further, in the connecting structure of the mixing faucet with a shower function and the water purifier according to the above claim 1 or 2,
As described in the third aspect, the operation unit for operating the water purification valve is attached to the plate fitted to the installation base of the mixing faucet. .

[0010] Further, in the connection structure of the mixing faucet with a shower function and the water purifier according to claim 1 or 2,
As described in the fourth aspect, the electromagnetic open / close type water purification valve that opens and closes the bypass passage is characterized in that an operation unit for operating the valve is a remote control type. is there.

Further, in the connection structure between the mixing faucet with a shower function and the water purifier according to claim 1 or 2,
As described in the fifth aspect, the electromagnetic open / close type water purification valve for opening and closing the bypass passage and the shower / straight changeover switch provided at the water discharge port are interlocked so that the water purification valve closes when the shower is switched. It is characterized by having been done.

Further, in the connection structure between the mixing faucet with a shower function and the water purifier according to the above-mentioned claims,
As described in claim 6, the water passage extending from the tap of the tap water to the spout of the mixing faucet is provided with a water supply pipe extending from the water tap to the inside of the body of the mixing faucet, and a water pipe of the mixing faucet. A water pipe extending downward from inside the body, a flexible hose extending from below the mixing faucet to the water discharge port through the body of the mixing faucet, and connecting the water pipe and the flexible hose; A bypass passage branched from the water supply pipe and connected to the connecting member.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the connection structure between a mixing faucet with a shower function and a water purifier according to the present invention will be described below with reference to the drawings.

FIGS. 1 and 2 show an embodiment (first embodiment) of the present invention. As shown in FIG. 1, a sink 1 has a top plate 3 on which a sink 2 is formed. On the back wall of the storage cabinet 4, main taps 5 and 6 of a water pipe or a hot water pipe which are drawn in from outside are respectively protruded, and a top plate 3 around the sink 2 is provided. A water supply pipe 8 extending from the water tap 5 and a hot water pipe 9 extending from the hot water tap 6 are connected to the mixing faucet 7 fixed to the water supply pipe.

The mixing faucet 7 is operated by operating an operating lever 7b provided on an upper part of a body 7a of the mixing faucet 7 so as to turn the lever 7b right and left, so that the normal temperature water from the water supply pipe 8 and the hot water from the hot water pipe 9 And the lever 7b
Is moved up and down to drain or stop water from the water outlet of the faucet 7. As shown in FIGS. 6 and 8, a shower function generally used conventionally is provided. It has the same structure as the mixing faucet.

That is, in the mixing faucet with a shower function, a shower / straight changeover switch 7d is provided at the water outlet 7c of the mixing faucet 7, and the water flowing out of the water outlet through the operation of the switch 7d is used as a shower water flow. In addition to switching to a straight water flow, as shown in FIG. 7, the spout port 7c can be used in a state where it is removed from the faucet body 7a and pulled out.

The mixing faucet 7 having such a shower function
Is fixed to the top plate, and the top plate 3
A water purifier 10 for filtering and removing impurities such as red rust (iron rust of a water pipe) and calcium (residual chlorine) contained in tap water is arranged in the storage cabinet 4 below the
The water purifier 10 includes, as a one-touch exchange cartridge, a filter unit having an appropriate structure, such as a filter unit containing granular activated carbon and a hollow fiber membrane or a filter unit containing fibrous activated carbon, in a vertically separable cartridge. The cartridge has the same structure as that conventionally used as a household water purifier, in which the cartridge is easily taken out and stored.

In the present embodiment, the mixing faucet 7 and the water purifier 10 are connected by the following piping structure.

As shown in FIG. 9, a water supply pipe 8 extending from the water supply tap 5 and a hot water pipe 9 extending from the hot water supply tap 6 are provided with respective faucet valves 11, 12 in the body 7a of the mixing faucet 7.
And the water passages flowing out of the faucet valves 11 and 12 join together to form a water passage 13 for the outflow to the water discharge port 7c.
The body of the mixing faucet 7 is once pulled out below the body 7a of the mixing faucet 7 by an appropriate amount (corresponding to the amount by which the spout port 7c is pulled out from the body 7a), and then turned upward to return to the body of the mixing faucet 7. 7a again, and extends to the spout 7c of the mixing faucet 7.

In the present embodiment, specifically, in the present embodiment, the outflow water passage 13 which joins to the water discharge port 7c is provided with a water pipe 13a extending downward from the mixing faucet 7;
The water outlet 7 enters the body 7a of the mixing faucet 7 from below.
c and a connecting member 13c connected between the water pipe 13a and the flexible hose 13b.

From the water supply source plug 5 as described above, the water outlet 7c
Water passage leading to the water passage,
(A valve for controlling the flow rate of the normal temperature water from the water supply pipe 8) so as to branch from the upstream side and to join the downstream side from the valve 11, that is, specifically, a branch portion of the water supply pipe 8 A bypass passage 14 is formed so as to branch off from 8 a and be connected to the connecting member 13 c of the water passage 13.

As described above, the faucet valve 1 is provided in the body 7a.
The above-described water purifier 10 is connected to the bypass passage 14 formed at a position lower than the mixing faucet 7 storing the tap water 1 in order to filter tap water. At the same time, the bypass passage 14 is located on the upstream side of the water purifier 10 (the side that supplies water to the water purifier 10), that is,
A water purification valve 15 for opening and closing the bypass passage 14 is provided in a bypass passage 14 a between the branch portion 8 a of the water supply pipe 8 and the water purifier 10.

In this embodiment, the water purification valve 15 is an electromagnetic opening / closing valve, and an operation switch 16 for opening / closing the valve 15 by cutting off the current flowing through the valve 15 is provided with a mixing switch. The water faucet 7 is attached to a plate 17 fitted on the outer periphery of an attachment base (male thread portion) 7e formed at the lower portion of the body 7a.

The mixing faucet 7 is inserted into the mounting hole of the top plate 3 of the sink 1 with the plate 17 fitted on the outer periphery of the mounting base 7 e. Part 3
By screwing a female screw member in the form of a ring to the mounting base (male screw portion) 7e from the back side thereof and tightening it, the plate 17 is removably fixed to the top plate 3 with the plate 17 fastened together.

The end of the bypass passage 14b downstream of the water purifier 10 (the side from which the purified water is sent out from the water purifier 10) is integrally fixed to the connecting member 13c and integrated with the bypass passage 14b. The water pipe 13a and the flexible hose 13b are connected to the connecting member 13c.

The connecting portion of the water pipe 13a and the connecting member 1
The upstream connection part of 3c and the downstream connection part of the connecting member 13c and the connection part of the flexible hose 13b have a structure that can be connected by one-touch by pressing, respectively, and the connection part of the water pipe 13a. The downstream connecting portion of the connecting member 13c has the same structure, and the upstream connecting portion of the connecting member 13c and the connecting portion of the flexible hose 13b have the same structure, thereby removing the connecting member 13c. Thus, the connection portion of the water pipe 13a and the connection portion of the flexible hose 13b have a structure that can be connected with one touch by pressing.

According to the connection structure of the mixing faucet 7 and the water purifier 10 as described above, if the operation switch 16 is turned off with the water supply faucet 5 opened, the operating lever of the mixing faucet 7 can be operated. Can be used in the same manner as a normal mixing faucet 7 by operating as usual.

On the other hand, with the water supply tap 5 open,
When the operation lever of the mixing faucet 7 is closed (water is not discharged) and the operation switch 16 is turned on, the tap water from the water supply main tap 5 is supplied from the branch portion 8a of the water supply pipe 8 to the water purification valve 15. The water purifier 1 passes through the open bypass passage 14a.
After being introduced into the water purifier 10 and filtered in the water purifier 10 to be purified water, the water is supplied as purified water from the water discharge port 7c through the flexible hose 13b from the bypass passage 14b.

According to the connection structure of the mixing faucet with a shower function and the water purifier of the present embodiment as described above, the bypass passage 14 is added to the pipe portion, and the water purifier 10 is connected in the middle of the bypass passage 14. By simply using the existing mixing faucet 7 having a shower function as shown in FIG. 6 which has been used in the past, the undersink type water purifier 10 can be integrated with the mixing faucet. It can be easily installed by retrofitting.

Specifically, at a position below the mixing faucet 7, the water supply pipe 8 is branched so as to join from a water passage upstream of the faucet valve 11 to a downstream water passage. The bypass passage 14 is formed so as to branch off from the portion 8a and connect to the connecting member 13c of the water passage 13. Since the water purifier 10 is connected in the middle of the bypass passage 14, the water purifier 10 is connected. In doing so, there is no need to pass the water passage connected to the water purifier 10 into the body 7a of the mixing faucet 7, and the existing mixing faucet can be diverted as it is.

The bypass passage 14 branched from the branch portion 8a of the water supply pipe 8 has its downstream passage 14
b is integrated with the connecting member 13c.
Since the water pipe 13a and the flexible hose 13b are joined by one-touch connection via 3c, the structure of the pipe can be simplified, and the connection work of the pipe can be easily performed. .

For the water purifier 10 installed in the middle of the bypass passage 14, a water purification valve 15 for opening and closing the bypass passage 14 is provided between the branch portion 8 a of the water supply pipe 8 and the water purifier 10. Is installed on the side of the bypass passage 14a, the water pressure is not applied to the water purifier 10 when the water purification valve 15 is closed, whereby the durability of the water purifier 10 can be improved.

Further, it is possible to easily switch to water purification only by turning on an operation switch 16 for operating the water purification valve 15, and the operation switch 16 is turned off.
If it is set to F, no matter how the operating lever 7b of the mixing faucet 7 is operated, purified water will not be supplied when it is not necessary.

In this embodiment, since the operation switch 16 is attached to the plate 17 which is fastened together with the mixing faucet 7 to the top plate 3, the operation switch 16 is mixed. The faucet 7 can be fixed to the top plate 3 at the same time as the faucet 7, so that the work of attaching components to the sink 1 can be simplified.

As described above, one embodiment (first embodiment) of the connection structure between the mixing faucet with a shower function and the water purifier according to the present invention has been described. However, the present invention is limited only to the above embodiment. Not something.

For example, FIG. 3 shows another embodiment (second embodiment) of the present invention. In this second embodiment, an electromagnetic open / close type water purification valve 15 for opening and closing a bypass passage 14 is provided. On the other hand, the shower / straight changeover switch 7d provided at the spout 7c of the mixing faucet 7
Electrically connected via the controller 18,
Even when the operation switch 16 of the water purification valve 15 is in the ON state, when the changeover switch 7d is in a shower, the water purification valve 15 and the switch 7d are closed so that the water purification valve 15 is closed and the purified water is not supplied. Is linked.

According to the above-described second embodiment, even if the operation switch 16 is kept ON by mistake, the purified water is not used when washing with a shower, so the purified water is used only for drinking. By doing so, the water purifier 10 can be used effectively, and the usable period of the replacement cartridge stored in the water purifier 10 can be extended.

FIG. 4 shows still another embodiment (third embodiment) of the present invention. In this third embodiment, an electromagnetic open / close type water purification valve 15 is operated. An operation switch 16 as an operation unit is a remote control type, that is, a transmission unit 16a of a remote control having a switch portion.
And a receiving unit 16b of a remote controller connected to the water purification valve 15 via the controller 18.

Therefore, the transmitting section 16 of the operation switch 16
a on the upper surface of the top panel 3 and the receiving section 16b on the top panel 3.
The operation switch 16 can be attached to an arbitrary position without opening a mounting hole for mounting a switch on the top plate 3 of the sink 1 by attaching them to the lower surface of the sink 1 with a double-sided adhesive tape or the like.

As a remote control method using the transmitting unit 16a and the receiving unit 16b, for example, the magnet is moved by the transmitting unit 16a and the movement is read by the receiving unit 16b. The ultrasonic wave is oscillated by the transmitting unit 16a and the receiving unit 16b The ultrasonic wave is read by the transmitter, the iron plate is moved by the transmitter 16a and the receiver 16b
An appropriate method, such as reading the change in magnetic permeability, can be considered.

Further, the water purification valve 15 used in the present invention is not necessarily limited to an electromagnetic opening / closing type valve. For example, as shown in FIG. 5 and FIG. Connect the valve 15 to the top plate 3
And a pipe 14c branched from the water supply pipe 8 and connected to the valve 15 is provided.
By using a mechanical valve that can be opened and closed by manual lever operation, such as a structure in which a valve 15 and the water purifier 10 are provided in the middle of the bypass passage 14 by connecting the pipe 14a to the water purifier 10 It is also possible.

[0042]

According to the connection structure of the mixing faucet with a shower function and the water purifier of the present invention as described above, the undersink type water purifier is integrated with the mixing faucet with the shower function. When installing as a water purifier, the existing mixing faucet can be diverted as it is simply by adding a piping for bypass, and the water purifier can be easily installed by retrofitting.

[Brief description of the drawings]

FIG. 1 is a perspective view showing one embodiment (first embodiment) of a connection structure between a mixing faucet with a shower function and a water purifier according to the present invention.

FIG. 2 is an explanatory side view of the embodiment shown in FIG. 1;

FIG. 3 is an explanatory side view showing another embodiment (second embodiment) of the present invention.

FIG. 4 is an explanatory side view showing another embodiment (third embodiment) of the present invention.

FIG. 5 is an explanatory side view showing another embodiment (fourth embodiment) of the present invention.

FIG. 6 is an explanatory side view showing an existing mixing faucet with a shower function.

FIG. 7 is an explanatory side view showing a state in which a water outlet is drawn out of a body of the faucet in the mixed faucet with a shower function.

FIG. 8 is an explanatory block diagram of the existing mixing faucet with a shower function shown in FIG. 6;

FIG. 9 is an explanatory block diagram of the mixing faucet with a shower function of the first embodiment shown in FIG. 1;

FIG. 10 is an explanatory block diagram of a mixing faucet with a shower function according to a fourth embodiment shown in FIG. 5;

[Explanation of symbols]

REFERENCE SIGNS LIST 1 sink 3 top plate 5 water supply tap 7 mixed faucet (with shower function) 7a body 7c water outlet 7d mounting base 7e shower / straight changeover switch 8 water supply pipe 10 water purifier 11 faucet valve 13 mixed water in water passage A portion from the body of the stopper to the water discharge port 13a Water pipe 13b Flexible hose 13c Connecting member 14 Bypass passage 15 Water purification valve 16 Operation unit (operation switch of water purification valve) 17 Plate

Claims (6)

[Claims] 1. A water faucet with a shower function, from which a water spout port can be pulled out from a body of a water faucet fixed to a top plate of a sink, and a spout of a water faucet from a tap water supply tap. In the middle of the water passage extending to the water port, and at a position lower than the mixing faucet in which the faucet valve for opening and closing the water passage is housed in the body, upstream of the faucet valve of the water passage A bypass passage is formed that branches off and joins the downstream side, and a water purifier for filtering tap water and a water purification valve for opening and closing the bypass passage are provided in the middle of the bypass passage. A connection structure between a mixing faucet with a shower function and a water purifier, which is characterized in that: 2. The mixing faucet with a shower function and the water purifier according to claim 1, wherein a water purification valve for opening and closing the bypass passage is provided in the bypass passage upstream of the water purifier. Connection structure. 3. The shower according to claim 1, wherein an operation unit for operating the water purification valve is attached to a plate fitted to the attachment base of the mixing faucet. Connection structure of mixing faucet with function and water purifier. 4. An electromagnetic opening / closing type water purification valve for opening and closing a bypass passage, wherein an operation unit for operating the valve is a remote control type.
Or the connection structure of the mixing faucet with a shower function of 2 and a water purifier. 5. A water purifying valve of an electromagnetic opening / closing type for opening and closing a bypass passage, and a shower / straight changeover switch provided at a water discharge port are interlocked so as to close the water purifying valve when switching showers. The connection structure of the mixing faucet with a shower function according to claim 1 or 2 and a water purifier. 6. A water passage extending from the tap of the tap water to the spout of the mixing faucet, a water supply pipe extending from the water tap to the inside of the body of the mixing faucet, and extending downward from inside the body of the mixing faucet. It has a water pipe, a flexible hose extending from the lower part of the mixing faucet through the body of the mixing faucet to the water outlet, and a connecting member for connecting the water pipe and the flexible hose. The connection structure of a mixing faucet with a shower function and a water purifier according to any one of claims 1 to 5, wherein the bypass passage is branched from the water supply pipe and connected to the connecting member.