JP3386987B2 - Faucet with water purifier - Google Patents

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a faucet device having a water purifier.

[0002]

2. Description of the Related Art For example, as one of the forms for purifying the raw water by taking out the raw water from a hot and cold water mixing faucet, Japanese Patent Laid-Open No. Hei 8
Some of them are disclosed in Japanese Unexamined Utility Model Publication No. 7-12671 proposed by the present applicant.

In the former technique disclosed in Japanese Unexamined Patent Publication (Kokai) No. 8-170354, a cover body provided with a raw water spouting pipe and a clean water spouting pipe having a double cylinder structure is attached to a body provided upright on a base around a sink. While being movably provided, the cylinder is made castable, and the first and second annular flow paths communicating with the raw water spouting tube and the purified water spouting tube are formed in a watertight manner by the cover body, Further, to this barrel, a hot water and water supply flow path for the valve unit for adjusting the discharge amount and the mixing ratio of hot and cold water, a flow path for communicating the hot and cold water outlet of the valve unit with the first annular flow path, and a water purifier. Of the raw water extraction flow path, the raw water branch flow path from the water supply flow path to this flow path, and the purified water return flow path from the water purifier, and with the branch flow path provided with an on-off valve, An operating handle for this on-off valve is provided on the body.

When purifying and removing raw water, the on-off valve is opened, the raw water is branched from the water supply passage, the raw water is taken out to the water purifier on the lower side of the sink for purification, and the purified water is returned to the faucet. It is discharged from the purified water return passage through the annular passage and from the purified water outlet near the outlet of the raw water.

[0005]

According to such a purified water take-out form, the raw water and the purified water discharge pipe can be shaken to the left and right, and the purified water is discharged from near the discharge port of the raw water (or mixed hot water). It is very convenient to use, but in order to equip the barrel with a complicated flow passage structure, this barrel must be cast as a single piece, which is also a problem in that the manufacturing cost of the faucet is very high. was there.

As shown in FIGS. 4 and 5, the faucet 51 shown in Japanese Utility Model Laid-Open No. 7-12671 proposed by the present applicant.
Is a body 54 that is erected on a base 53 around the sink 52.
In addition, an upper cover body 57 and a lower cover body 58 provided with a raw water spouting tube 55 and a purified water spouting tube 56 having a double-tube structure.
And rotatably provided on the outer periphery of the body 54, and a first annular flow path 59 communicating with the raw water discharge pipe 55.
And a second annular flow path 60 communicating with the purified water discharge pipe 56,
It is formed in a watertight manner by the cover body 57 on the upper side, and further, on the outer peripheral portion of the body 54, third and fourth annular flow paths 61, 62
Is formed in a watertight manner by the lower cover body 58.

A hot water supply passage 64 communicating with the hot water inlet of the valve unit 63 and a first water supply passage 65 communicating with the water inlet of the valve unit 63 are opened in the body 54 at the bottom of the body. In addition to the above, the hot water mixing chamber A of the valve unit 63 is connected to the first annular flow path 59 and the mixed hot and cold water supply flow path 66 and the first water supply flow path 65 are formed in the barrel 54. A branch flow path 67 communicating with the third annular flow path 61, which is open at the bottom of the trunk and is fitted with a plug 68.
While forming a purified water flow channel 69 that communicates the second annular flow channel 60 with the fourth annular flow channel 62 on the lower cover body 58.
Of the raw water communicating with the third annular flow path 61
There is a purified water intake 71 communicating with.

When cleaning the raw water, the kitchen sink 52
While installing the water purifier 72 on the surrounding base 53, the open / close valve 73 is connected to the raw water outlet 70 of the faucet 51, and the open / close valve 73 and the raw water intake 74 of the water purifier 72 are connected and the water purifier 72 Clean water outlet 75 and tap 5
The purified water filtered by the water purifier 72 is connected to the purified water intake 71 of No. 1 and the purified water filtered by the water purifier 72 is passed from the purified water flow path 69 through the purified water discharge pipe 56 to the purified water discharge port near the raw water discharge port 78. It is discharged from 79.

According to such a mode of taking out purified water, the raw water and the purified water spouting cylinders 78, 79 can be shaken to the left and right, and the purified water is discharged from the vicinity of the spout of raw water (or mixed hot water). The body 54 is of course easy to use.
In addition to the simple structure of the flow path formed in the above, all of the flow paths can be formed from the outside of the body, that is, a simple metal rod is used as the body material, and the above-mentioned flow path is cut into this body material. By doing so, since the body 54 can be configured,
Compared with casting a single barrel, the faucet manufacturing cost can be significantly reduced.

However, in order to install the water purifier 72 on the base 53 around the sink 52, it is unattractive to have the water purifier 72 occupy a large space and externally connect the hoses 76 and 77 to the faucet 51. Moreover, the water purifier 72 itself and the hoses 76 and 77 were an obstacle to kitchen work.

That is, in the faucet proposed by the applicant,
Although the manufacturing cost can be greatly reduced, it was not considered that the raw water should be taken out from the bottom of the trunk to the water purifier and the purified water should be returned to the faucet.
There was room for improvement in this respect.

The present invention has been made in view of the above circumstances, and provides a faucet device which is installed on the lower side of a sink with a good appearance of the water purifier with good usability and at low cost. Is intended.

[0013]

[Means for Solving the Problems] The technical means taken by the present invention to achieve the above object are as follows. That is, the faucet device including the water purifier of the present invention includes a unit cover that forms a built-in space of a valve unit for adjusting the water discharge amount,
Provided on the upper side of the body that is erected on the base around the sink,
On the lower body of this unit cover, an upper cover body having a double-walled raw water discharge pipe and a purified water discharge pipe, and a lower cover body are rotated. Only the upper cover body is rotated. A first water supply passage communicating with the water inlet of the valve unit, and a raw water withdrawal passage to the water purifier, which are provided as possible
A purified water return flow path from the water purifier is formed by opening at the bottom of the body, respectively, and a first annular flow path communicating with the raw water discharge pipe and a second communicating with the purified water discharge pipe are formed on the outer periphery of the cylinder. An annular flow path is formed in a watertight manner by the cover body on the upper side,
Further, a third annular flow path is formed in a watertight manner on the outer peripheral portion of the body by the lower cover body, and a second water supply flow path for communicating the water outlet of the valve unit with the first annular flow path, and a purified water a purified water flow path that communicates the return flow path to the second annular channel, and branch channel for communicating the <br/> first water supply channel to a third annular channel,
A raw water flow passage that connects the third annular flow passage to the raw water extraction flow passage is formed in the body, and further, from the branch flow passage, the third annular flow passage, and the raw water flow passage to the raw water extraction flow passage. The raw material is taken out of the body, and the metal rod that is continuously cast and cut into a predetermined length is used as the body material,
The body is formed by cutting the flow path on the body material, and has a water purifier installed on the lower side of the sink,
Furthermore, in the lower part of the sink, a raw water supply pipe is connected between the raw water take-out passage and the raw water intake port of the water purifier, and a purified water supply pipe is provided between the purified water take-out port of the water purifier and the purified water return flow passage. Are configured to connect.

[0014]

According to the faucet device having the water purifier of the present invention having such a configuration, when purifying raw water, the raw water is passed through the on-off valve from the middle of the first water supply passage for taking the raw water into the water discharge pipe. To the third annular flow path and guide it from the raw water extraction flow path inside the case to the purifier at the lower part of the case, and the purified water from this water purifier is passed from the purified water return path inside the case to the second annular flow path. , The raw water is discharged from near the spout.

Therefore, since the water discharge pipe of the raw water and the purified water can be shaken to the left and right, and the purified water is discharged from the vicinity of the discharge port of the raw water, the faucet device equipped with the water purifier is very convenient to use.

As for the water purifier, the water purifier can be installed on the lower side of the sink, and the faucet has no external connection such as a hose on the base. The space around the sink can be widely used for kitchen work because there is no need for a water purifier or hose to interfere with kitchen work, and there is no need for a space for installing the water purifier around the sink.

Further, since a metal rod which is continuously cast and cut into a predetermined length is used as a body material and a flow path is cut into the body to form a body, the body, and hence the faucet, are extremely costly to manufacture. According to the present invention, the space around the sink can be widely used for kitchen work, and at the same time, the faucet can be provided at low cost.

[0019]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 and FIG. 2 show a hot and cold water mixing faucet 1 configured as a clean water extraction type.
Is configured to be suitable for installing the water purifier 2 on the lower side of the sink 3 as shown in FIG. The faucet device includes the faucet 1 and the water purifier 2.

In these drawings, reference numeral 4 in the drawings denotes a body having a water faucet mounting foot 5 on the lower side thereof, and the body 4 has a base around the sink 3 by means of the water faucet mounting foot 5 and the nut member 6. It is supposed to be installed at 7. Reference numeral 8 denotes a unit cover, which forms an internal space of a valve unit 9 on the upper side of the body 4 for adjusting the amount of water discharged and the mixing ratio of hot water.

The detailed description of the valve unit 9 will be omitted (see Japanese Utility Model Laid-Open No. 7-12671 if necessary).
However, in general, the fixed valve seat 10 in which an inlet (not shown) of water and hot water and an outlet a of the mixed hot and cold water are formed, and a hot and cold water mixing chamber (the outlet a is also partly described). And the movable valve body 11 constituting A and the movable valve body 11
And a lever 12 for rotating and sliding, and the lever 12 is provided with a lever handle 13 for adjusting the water discharge amount and the mixing ratio of hot water.

Reference numeral 14 denotes an upper cover body, which is rotatably fitted on the lower body 4 of the unit cover 8. 1
Reference numeral 5 denotes a lower side cover body, which is fixedly externally fitted to the lower side body 4 of the upper side cover body 14, and between the upper side cover body 14 and the body 4 in which the first and Second annular flow path 1
6 and 17 are formed in a watertight manner, and a third annular flow path 18 is formed in a watertight manner between the lower cover body 15 and the body 4.

[0023]

Reference numeral 19 denotes a raw water spouting tube which communicates with the first annular flow path 16, and 20 denotes a purified water spouting tube which communicates with the second annular flow path 17, so that the raw water spouting port 21 and the purified water spouting port 22 are close to each other. The raw water spouting tube 19 and the purified water spouting tube 20 have a double-tube structure and are provided on the upper cover body 14.

Reference numeral 23 is a first water supply passage communicating with the water inlet of the valve unit 9, 24 is a hot water supply passage communicating with the hot water inlet of the valve unit 9, and 25 is a third annular passage through the raw water passage 37. Raw water extraction flow path communicating with 18, 26 is a purified water flow path 38
In the purified water return flow path communicating with the second annular flow path 17 via
Each of them is formed on the body 4 so as to open at the bottom of the body.

Reference numeral 27 designates the first hot water mixing chamber A of the valve unit 9.
A second water supply flow path communicating with the annular flow path 16, 28 is a branch flow path communicating the first water supply flow path 23 with the third annular flow path 18, both of which are formed in the barrel 4, and the branch flow path 28 An opening / closing valve 29 is provided in the operation handle 3 of the opening / closing valve 29.
0 is provided on the lower cover body 15.

The upper and lower covers 14 and 15 are formed by cutting a seamless pipe made of, for example, a copper alloy into a predetermined length,
The unit cover 8 is formed by cutting this, and the unit cover 8 is formed by cutting a copper alloy rod into a predetermined length and cutting, but the material is not limited to such a material.

The body 4 is made of a metal rod (for example, a brass rod or a bronze rod) which is continuously cast and cut into a predetermined length, and the body material is cut into a predetermined outer diameter. Moreover, the above-mentioned flow path (first to third annular flow paths 16 to 18,
First water supply channel 23, hot water supply channel 24, raw water channel 37
A raw water extraction flow path 25, a purified water flow path 38, a purified water return flow path 26, a second water supply flow path 27, and a branch flow path 28).
And the O-ring groove for sealing is cut.

In the hot and cold water mixing faucet 2 having the above-described structure, the amount of the mixed hot water including the closure or the discharge amount of the raw water is adjusted by the sliding operation of the movable valve body 11 by the lever handle 13, and the hot and cold water including the discharge of the raw water only The adjustment of the mixing ratio is performed by rotating the movable valve body 11 by the lever handle 13, and the water and hot water supplied from the supply pipes 31 and 32 are sent to the hot and cold water mixing chamber A of the valve unit 9 and mixed. The mixed hot and cold water (or raw water) is supplied to the second water supply channel 2
7 is introduced into the first annular flow path 16 and the raw water discharge pipe 1
It is designed to be discharged from the water discharge port 21 via 9.

At the time of taking out the purified water, as shown in FIG. 3, the water purifier 2 is installed on the lower side of the sink 3, and the raw water take-out passage 25 of the faucet 1 and the raw water intake 33 of the water purifier 2 are provided. Over the raw water supply pipe 3 such as a copper pipe
4 is connected, and a purified water supply pipe 36 such as a copper pipe is connected between the purified water outlet 35 of the water purifier 2 and the purified water return passage 26 of the faucet 1, and the opening / closing valve is operated by the operation handle 30. By opening the valve 29, the purified water filtered by the water purifier 2 passes through the purified water supply pipe 36, the purified water return flow path 26, the second annular flow path 17, and the purified water spouting pipe 20, and the raw water spouting port 21. It is discharged from the purified water outlet 22 in the vicinity.

That is, the raw water branched from the first water supply flow path 23 is taken out to the third annular flow path 18 through the opening / closing valve 29, and the water is taken out from the raw water take-out flow path 25 inside the case to the water purifier 2 at the lower part of the case. Then, the purified water from the water purifier 2 is returned to the purified water return passage 26 inside the body again, and the purified water is discharged from the discharge outlet 22 through the purified water discharge pipe 20 from the second annular flow passage 17.

Therefore, in addition to the purified water being discharged in the vicinity of the raw water discharge port 21, the raw water discharge pipe 19 and the purified water discharge pipe 2 are provided.
Since 0 and 0 have a double-cylindrical structure and are provided on the cover body 14 on the upper side so as to swing from side to side, the usability of the faucet 1 is very good.

Further, the water purifier 2 is installed on the lower side of the sink 3, and in the lower part of the sink 3, the raw water supply pipe 34 and the purified water supply pipe 36 are connected to the raw water take-out passage 25 of the faucet 1 and the purified water return flow. Since it is connected to the path 26, the water purifier 2 and the supply pipes 34 and 36 do not interfere with the kitchen work, and it is not necessary to find a space for installing the water purifier around the sink. The space can be widely used for kitchen work.

In FIG. 3, the raw water take-out flow path 25 is directly connected to the branch flow path 28 from the first water supply flow path 23, but this is for easier understanding of the raw water take-out situation. This is because it is illustrated in FIG.
It goes without saying that the raw water is taken out from the raw water flow path 37 to the raw water take-out flow path 25 via the third annular flow path 18.

Although the hot and cold water mixing faucet 1 has been described in the above embodiment, a valve unit that does not have the hot water supply passage 24 and does not have the function of adjusting the hot and cold water mixing ratio, that is, the discharge including the closing. It goes without saying that a so-called single faucet provided with a valve unit having only the function of adjusting the amount of water can be an object of implementation of the present invention.

[0036]

As described above, according to the faucet device provided with the water purifier according to the present invention, the purified water is discharged in the vicinity of the raw water spout, and the raw water and the purified water spouting cylinder. Since it can be swung to the left and right, the faucet is extremely convenient to use.

As for the water purifier, it can be installed on the lower side of the sink, and the faucet has no external connection such as a hose on the base. Since the hoses do not interfere with kitchen work and it is not necessary to provide a space for installing the water purifier around the sink, the space around the sink can be widely used for kitchen work.

The metal rod, which is continuously cast and cut into a predetermined length, is used as a barrel material, and the flow path is cut into the barrel to form the barrel. Therefore, the cost of producing the barrel and the faucet is extremely high. Cheaper, and overall according to the invention,
The space around the sink can be widely used for kitchen work, and a faucet device equipped with a water purifier that is easy to use is provided at low cost.

[Brief description of drawings]

FIG. 1 is a vertical sectional side view of a hot and cold water mixing faucet.

FIG. 2 is a front view of a hot and cold water mixing faucet with a main part broken away.

FIG. 3 is a drawing showing how to take out raw water and purified water.

FIG. 4 is a drawing showing extraction forms of raw water and purified water of a conventional example for comparison with the present invention.

FIG. 5 is a cross-sectional view of a conventional hot and cold water mixing faucet.

[Explanation of symbols]

2 ... Water purifier, 3 ... Sink, 4 ... Body, 7 ... Base, 8 ... Unit cover, 9 ... Water discharge amount adjusting valve unit, 14 ... Upper cover body, 15 ... Lower cover body, 16 ... 1
Annular flow path, 17 ... second annular flow path, 18 ... third annular flow path,
19 ... Raw water spouting pipe, 20 ... Purified water spouting pipe, 21 ... Raw water spouting port, 22 ... Purified water spouting port, 23 ... First water supply channel, 24 ... Hot water supply channel, 25 ... Raw water extraction channel, 26 ... Purified water return flow Channel, 27 ... Second water supply channel, 28 ... Branch channel, 29 Open / close valve, 30 ... Operation handle, 33 ... Raw water intake port, 35
… Clean water outlet, A… Hot and cold water mixing room.

Continuation of the front page (56) Reference JP-A-4-366074 (JP, A) JP-A-8-170354 (JP, A) JP-A-8-151668 (JP, A) JP-A-8-113967 (JP , A) Actual Kaihei 7-12671 (JP, U) Actual Kaihei 5-66386 (JP, U) Actual Kaihei 5-69468 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB) Name) F16K 11/00-11/24 F16K 27/00-27/12 E03C 1/00

Claims (2)

(57) [Claims] 1. A unit cover that forms a built-in space of a valve unit for adjusting the water discharge amount is provided on the upper side of a body standing on a base around a sink, and a double body is provided on the lower body of the unit cover. A cover body on the upper side provided with a raw water spouting tube and a purified water spouting tube having a tubular structure, and a cover body on the lower side, while only the cover body on the upper side is rotatably provided, on the body,
A first water supply flow path communicating with the water inlet of the valve unit, a raw water extraction flow path to the water purifier, and a purified water return flow path from the water purifier are formed by opening at the bottom of the cylinder, respectively, and the outer circumference of the cylinder In the portion, a first annular flow passage communicating with the raw water discharge pipe and a second annular flow passage communicating with the purified water discharge pipe are formed in a watertight manner by the upper cover body, and further on the outer peripheral portion of the body. The third annular flow path is formed in a watertight manner by the lower cover body, and the second water supply flow path for communicating the water outlet of the valve unit with the first annular flow path and the purified water return flow path are provided for the second. a purified water flow path for communicating the annular passage, the branch passage communicating the first water supply path to a third annular channel, and a raw water flow path for communicating the third annular channel in the raw water take-out passage, respectively formed in the barrel, further, before through the third annular passage from the branch channel
The raw water is taken out from the raw water flow passage to the raw water take-out flow passage, and a metal rod which is continuously cast and cut into a predetermined length is used as a body material, and the flow passage is cut into the body material. And having a water purifier installed on the lower side of the sink, and further, at the lower part of the sink, supplying raw water across the raw water extraction flow path and the raw water intake port of the water purifier. A faucet device provided with a water purifier, characterized in that it is configured to connect a pipe and to connect a purified water supply pipe across the purified water outlet of the water purifier and the purified water return passage. 2. The valve unit is provided with a function of adjusting a mixing ratio of hot and cold water, and a hot water supply passage communicating with a hot water inlet of the valve unit is formed by opening the trunk at the bottom of the trunk, and the valve unit. 2. The faucet device with a water purifier according to claim 1, wherein the hot and cold water mixing chamber is communicated with the first annular flow path so that the mixed hot and cold water can be taken out to the raw water discharge pipe.