JP4833756B2 - Mixing faucet and water purifier connection structure - Google Patents

Description

  For example, in the mixing faucet mounted on the counter of the sink, the present invention is equipped with a bypass flow path equipped with a water purifier in the water supply path between the water supply main plug and the faucet body, and not only the raw water from the mixing faucet It is related with the connection structure of a mixing faucet and a water purifier which enabled supply of the purified water which passed the water purifier.

Water purifier faucets that can supply not only raw water but also purified water that has passed through the water purifier from the mixing faucet mounted on the counter of the sink have become widespread. Therefore, when it is possible to supply clean water from the mixing faucet at the sink, the mixing faucet is already mounted on the sink in a normal house. It is necessary to remove the mixing faucet and purchase a new water purifier faucet, and this places a heavy burden on the user in terms of money and time. Therefore, there is Patent Document 1 as a connection structure of a mixing faucet and a water purifier that can be used as it is, and a water purifier can be easily attached by retrofitting.

Briefly explaining the connection structure of the mixing faucet and the water purifier according to Patent Document 1, the mixing with a shower drawer function in which the water discharge port portion can be drawn out from the body of the faucet fixed to the top plate portion of the sink. Compared to the faucet, in the middle of the water passage extending from the tap water supply main tap to the spout of the mixing faucet, and the mixing faucet containing the faucet valve for opening and closing the water passage in the body A water purifier for filtering tap water in the middle of the bypass passage, at a lower position, forming a bypass passage that branches from the upstream side of the faucet valve of the water passage and joins the downstream side; A water purifying valve for opening and closing the bypass passage is arranged, and the water purifying valve is connected to an operation part mounted on the top plate part, and by operating the operation part, the purified water can be taken out from the mixing faucet. It is a thing.

JP-A-10-309565

In the connecting structure of the mixing faucet and the water purifier described in Patent Document 1, the mixing faucet has a shower drawer function, and the bypass passage is attached to the mixing faucet between the water supply main plug and the water supply pipe. The connecting member may be connected between the water pipe and the hose, respectively, and the connecting portion can be used to connect the branch portion and the connecting member as compared with the water faucet having no shower drawer function. Therefore, construction is easy. Moreover, the water purifier for making raw water into purified water is an under sink type arrange | positioned on the floor surface inside a cabinet. However, the floor inside the cabinet usually has a lot of equipment used in the sink below the sink where hot water is discharged, so if you try to place a new water purifier on the floor of the cabinet In some cases, sufficient space could not be secured.

Moreover, when it is necessary to repair the mixing faucet or to replace it with a new mixing faucet, it is necessary to remove the mixing faucet from the counter. Since the water purifier is arranged in the vicinity of the water purifier, the water purifier becomes an obstacle in exchanging the mixed faucet, and the exchanging operation cannot be performed efficiently in a short time.

Furthermore, since the water purifier cartridge contained in the water purifier deteriorates according to the flow rate used, it is necessary to replace it when the predetermined flow rate is reached. It is necessary to remove it from the water purifier and install a new water purifying cartridge on the water purifier. However, if the water purifier is placed on the floor inside the cabinet, you can open the cabinet door in the narrow space inside the cabinet. Therefore, workability was poor.

  This invention is made paying attention to the problem which exists in such a prior art, The subject is a water purifier inside the cabinet in the middle of the flow path of the mixing faucet with which the counter of the sink was attached. By installing the water purifier in the optimal position inside the cabinet, the water faucet is connected to the water faucet so that not only raw water but also water that has passed through the water purifier can be supplied from the water faucet. It is to be.

In order to achieve the above object, according to the first aspect of the present invention, a mixing faucet and a sink are mounted on a counter provided on a sink, and the mixing faucet is supported at the tip of the holder so that a shower head can be pulled out together with a hose. In the cabinet at the bottom of the counter, a water pipe for supplying raw water from the water supply main tap to the mixing valve housed in the mixing tap, a hot water pipe for supplying hot water from the water supply main tap to the mixing valve, a mixing valve and a shower The hose connecting the head is disposed, and a bypass flow path is mounted between the water supply main plug and the hose, and the bypass flow path is a water purifier that filters raw water, and a flow of purified water that has passed through the water purifier. and a closing handle for opening and closing the road, the water purifier and features a sink is attached to the lower portion of the counter, the water purifier includes a purification cartridge therein, said water purification cartridge It is characterized in that the openings formed in the counter is detachably attached to the upper direction.

According to the first aspect of the present invention, in order to repair or replace the mixing faucet, when the mixing faucet is removed from or installed in the narrow space inside the cabinet, the water purifier is attached to the sink and installed in the counter. Since it is installed in the lower dead space, the water purifier does not get in the way and the workability is improved.
In addition, the work of replacing the water purification cartridge of the water purifier can be performed at the upper part of the counter, improving workability.

  Hereinafter, an embodiment of the present invention will be described in detail with reference to FIG.

In the first embodiment of the present invention, as shown in FIG. 1, the body portion 2 of the mixing faucet 1 has a vertically long and substantially cylindrical shape, and the connecting tube 3 formed to protrude downward is made smaller in diameter than the body portion 2, so The mixing faucet 1 stands up on the counter 31 by being inserted into a mounting hole 32 drilled in a counter 31 provided at 30 and screwing the nut 4 into the connecting cylinder 3 from the lower part of the counter 31. It is installed with.

The mixing faucet 1 has a mixing valve 5 housed inside the body portion 2, and the water discharge flow rate and temperature of the hot water are adjusted by operating the lever 6 connected to the mixing valve 5 up and down or left and right.

A holder 9 is rotatably mounted on the outer periphery between the connection tube 3 and the mixing valve 5 so that the holder 9 is tilted upward and the shower head 8 is coupled to the tip of a bellows-like hose 7. Is supported so that it can be pulled out freely. The hose 7 hangs in a substantially U shape below the counter 31, that is, inside the cabinet 33, and the shower head 8 can be used while being supported by the holder 9 or withdrawing from the holder 9 together with the hose 7. If the lever 6 is operated in the direction of water discharge, hot water can be supplied from the shower head 8 toward the sink 34 provided in the counter 31.

In the lower part of the connecting cylinder 3, a water pipe 11 for supplying water from a water supply main tap 10 to the mixing valve 5, a hot water pipe 13 for supplying hot water from a hot water supply main tap 12 to the mixing valve 5, and a flow rate and A supply pipe 14 for supplying hot water with adjusted temperature to the shower head 8 is disposed.

The hose 7 is housed in the body part 2 and the connecting cylinder 3 from the bottom of the counter 31 and hanging down in the cabinet 34. The first branch pipe 15 is attached to the base end, and the hose 7 is the first branch pipe. 15 can be connected to the supply pipe 14.

A bypass passage 16 is mounted between the water supply source plug 10 and the hose 7 that is the secondary side of the mixing valve 5. The bypass channel 16 is connected to the second branch pipe 17 attached to the water supply main plug 10, the water purifier 18 attached to the lower part of the counter 31, and the first connection connecting the second branch pipe 17 and the water purifier 18. A pipe 19 and a second connecting pipe 20 that connects the water purifier 18 and the first branch pipe 15 are provided.

The water purifier 18 is attached to the lower part of the counter 31 by a fixing bracket 35 next to the sink 34. Since the position where the water purifier 18 is mounted is normally a dead space in which articles are not accommodated or mounted, the water purifier 18 is mounted using this dead space effectively. The water purifier 18 is substantially cylindrical, has a case 21 for housing the water purification cartridge 22, and the water purification cartridge 22 is detachably mounted inside the case 21. The water purification cartridge 22 is filled with activated carbon, hollow fiber membranes, porous ceramics, ion exchange resin, and other known filter media. The raw water supplied from the second branch pipe 17 via the first connection pipe 19 is supplied to the raw water cartridge 22. The raw water can be purified by removing impurities such as chalk and red rust by filtration. The case 22 is provided with a lid 23 on the upper side of the counter 31. When the lid 23 is removed, the water purification cartridge 22 can be taken out from the upper side of the counter 31 to be replaced, inspected, or the like.

The water purifier 18 is equipped with an opening / closing handle 24 so as to be exposed from the opening 31a formed in the counter 31. By operating the opening / closing handle 24 from the valve closing position to the valve opening position, The raw water supplied from the second branch pipe 17 to the water purifier 18 via the first connection pipe 19 is filtered by passing through the water purification cartridge 22 to become purified water. This purified water is the second connection pipe 20 and the first branch pipe. The water is supplied to the hose 7 and the shower head 8 through 15, and discharged toward the sink 34.

In the mixed water tap 1 of the first embodiment, the bypass channel 16 is mounted between the water supply main plug 10 and the water pipe 11 on the primary side and between the supply pipe 14 and the hose 7 on the secondary side. That is, both ends of the bypass channel 16 are mounted on the primary side and the secondary side with respect to the mixing valve 5. Therefore, even when the lever 6 of the mixing faucet 1 is in the water stop position and hot water is not supplied from the shower head 8, the raw water is supplied to the water purifier 18 by the bypass flow path 16, and the purified water that has passed through the water purifier 18. Can be supplied to the hose 7 and the showerhead 8. That is, if the opening / closing handle 24 attached to the water purifier 18 is operated from the upper part of the counter 31 in the valve opening direction, the raw water branched from the second branch pipe 17 is supplied to the water purifier 18 and filtered by the water purification cartridge 23. The purified water is supplied to the hose 7 and the shower head 8, and the purified water can be supplied from the shower head 8 to the outside.

In addition, when the water purification cartridge 22 of the water purifier 18 comes to be replaced, it can be replaced with a new cartridge by removing the lid 23 from the upper portion of the counter 31 and taking out the water purification cartridge 22 upward.

Then, in order to remove the mixed faucet 1 from the counter 31 in order to cause a failure in the mixed faucet 1 attached to the counter 31 or to replace it with another mixed faucet, it is submerged inside the cabinet 33 and connected to the connecting pipe. When the nut 4 screwed to 3 is loosened to release the connection state between the water supply main pipe 10 and the water pipe 11 and the connection state between the hot water supply main plug 12 and the hot water pipe 13, The water purifier 18 is mounted in a dead space below the counter 31 and is mounted at a position away from each pipe of the mixing faucet 1 inside the cabinet 33, so that the water purifier 18 becomes an obstacle. The work can be performed smoothly.

Also, since the water purifier is installed in a dead space that is not used normally next to the sink at the bottom of the counter, the water purifier does not occupy a large space inside the cabinet, and the inside of the cabinet can be used effectively. it can.

Next, a second embodiment of the present invention will be described with reference to FIG.

Since the second embodiment is different only in the mounting position of the bypass channel with respect to the mixed water tap in the first embodiment, only the difference will be described.
As shown in FIG. 2, in the second embodiment, the bypass channel 16 a is attached only to the hose 7. That is, the bypass channel 16 a has the third branch pipe 15 a and the fourth branch pipe 17 a at both ends attached to the primary side and the secondary side with respect to the hose 7. Therefore, in the second embodiment, unlike the first embodiment, high-pressure water supplied from the water supply main plug 10 is not directly supplied to the water purifier 18, and the raw water passes through the internal flow path of the mixed water tap 1. After the pressure is reduced, the water is supplied to the water purifier 18 and the burden on the water purifier 18 can be suppressed. In Example 2, in order to supply the purified water that has passed through the water purifier 18, it is necessary to operate the lever 6 of the mixing faucet 1 to the water discharge position.

It is a connection structure of the mixing faucet and water purifier by Example 1 of this invention. It is a connection structure of the mixing faucet and water purifier by Example 2 of this invention.

Explanation of symbols

1: Mixer faucet 5: Mixer valve 7: Hose 8: Shower head 9: Holder 10: Water supply main tap 11: Water pipe 12: Hot water main tap 13: Hot water pipe 16, 16a: Bypass flow path 18: Water purifier 24: Opening / closing handle 30 : Sink 31: Counter 31a: Opening 33: Cabinet 34: Sink

Claims (1)

A mixing faucet and sink are attached to the counter provided in the sink, and the mixing faucet is supported at the tip of the holder so that the shower head can be pulled out together with the hose. A water pipe for supplying water from the main plug to the mixing valve accommodated in the mixing faucet, a hot water pipe for supplying hot water from the hot water supply main plug to the mixing valve, and the hose connecting the mixing valve and the shower head are disposed, A bypass flow path is mounted between the water supply main plug and the hose, and the bypass flow path includes a water purifier that filters raw water and an open / close handle that opens and closes the flow path of the purified water that has passed through the water purifier. it features a is attached to the lower portion of the counter, the water purifier includes a purification cartridge therein, said water purification cartridge, the upper direction from the opening bored in the counter Connection structure water purifier and mixing faucet, characterized in that it is detachably attached.

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