JP2003148638A - Combination faucet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a combination faucet allowing the after-installation of another function device, and never causing the disturbance of the lever operation of a valve function part by the after-installed function device. SOLUTION: This combination faucet comprises a water passing part having a first water passage communicating with a feed water pipe, a second hot water passage communicating with a feed hot water pipe, and a third water passage communicating with a spout; the valve function part mounted on one end of the water passing part, which adjusts the flow rates and mixing ratios of the cold water carried from the first water passage and the hot water carried from the second water passage by lever operation and carries the mixed water to the third water passage; and a lid attachably and detachably mounted on the other end of the water passing part to close the other end. The first water passage is extended to the other end of the water passing part, and a fourth water passage extended from the other end of the water passing part is allowed to communicate with the third water passage.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a hot and cold water mixing faucet.

[0002]

2. Description of the Related Art As one type of hot and cold water mixing faucet, a single lever mixed water faucet for adjusting a hot and cold water mixing ratio and a flow rate by operating a disc having a water inlet, a hot water inlet and a mixed water outlet formed with a lever. Has been used in the kitchen, etc. With the spread of functional equipment such as water purifiers and dishwashers, single-lever mixed faucets have been proposed which are configured so that the functional equipment can be retrofitted to the faucet body. JP-A-9-2
In FIG. 6 of No. 28437, a water passage having a first water passage communicating with the water supply pipe and a second water passage communicating with the hot water supply pipe extends linearly, and cold water flowing from the first water passage And a valve function part for adjusting the flow rate and the mixing ratio of the hot water flowing from the second water passage by lever operation to let the mixed water flow out to the spout, is attached to the central portion in the extending direction of the water passage, and the first water passage is Disclosed is a hot and cold water mixer having a third water passage extending to one end of the water passage portion, the third water passage extending from the one end of the water passage portion communicating with the spout, and the one end of the water passage portion being closed by a removable lid. Has been done.
The hot and cold water mixing faucet can be used as a normal hot and cold water mixing faucet with the lid attached, and if the lid is removed and the water purifier with an on-off valve mechanism is attached to the one end of the water passing part, the normal hot and cold water mixing faucet is obtained. It can also be used as a faucet and as a purified water discharge faucet.

[0003]

[Problems to be Solved by the Invention]
When the water purifier with an on-off valve mechanism is attached to the hot and cold water mixing tap of No. 7, when using it as a normal hot and cold water mixing tap, the lever of the valve function part is operated by the water purifier close to the valve function part. Is hindered. Further, since the operation lever of the valve function unit is arranged above the remaining portion, dirty water attached to the operation lever through the hand is transmitted to the remaining portion of the valve function unit or the water passage unit to stain the relevant portion. There is a problem. The present invention has been made in view of the above problems, and an object of the present invention is to provide a hot and cold water mixing faucet to which other functional devices can be retrofitted, and the retrofitted functional device does not hinder the lever operation of the valve function part. And It is another object of the present invention to provide a hot and cold water mixing faucet in which dirty water attached to the operating lever is not transmitted to the rest of the valve function section or the water passage section.

[0004]

In order to solve the above problems, in the present invention, a first water passage communicating with a water supply pipe, a second water passage communicating with a hot water supply pipe, and a second passage communicating with a spout. A water passage having three water passages and a mixed water which is attached to one end of the water passage to adjust the flow rate and the mixing ratio of cold water flowing from the first water passage and hot water flowing from the second water passage by a lever operation. Is provided with a valve function part that allows the water to flow to the third water passage, and a lid that is detachably attached to the other end of the water passage part and that closes the other end, and the first water passage extends to the other end of the water passage part. Then, there is provided a hot and cold water mixing faucet characterized in that the fourth water passage extending from the other end of the water passage communicates with the third water passage. The hot and cold water mixing faucet according to the present invention can be used as a normal hot and cold water mixing faucet with a lid attached, and by removing the lid and retrofitting the water purifier with an opening / closing valve mechanism to the other end of the water passing portion, It can also be used as a normal hot and cold water mixing tap, and can also be used as a purified water discharge tap. The valve function part is attached to one end of the water passage part, and the water purifier with the on-off valve mechanism is attached to the other end of the water flow part, so the water purifier with the on-off valve mechanism is separated from the valve function part. . Therefore, when the hot and cold water mixing faucet according to the present invention is used as a normal hot and cold water mixing faucet in a state in which the water purifier with an on-off valve mechanism is attached later, the lever operation of the valve function portion is not obstructed by the water purifier.

In the present invention, the water passage portion having the first water passage communicating with the water supply pipe, the second water passage communicating with the hot water supply pipe, and the third water passage communicating with the spout, and the water passage portion. Attached to one end of the cold water flowing from the first water passage and the second
A valve function part for adjusting the flow rate and the mixing ratio of the warm water flowing from the water passage by lever operation to let the mixed water flow out to the third water passage,
A hot and cold water mixer having a lid detachably attached to the other end of the water passage and closing the other end, the second water passage extending to the other end of the water passage. provide. The hot and cold water mixing faucet according to the present invention can be used as a normal hot and cold water mixing faucet with a lid attached. It can also be used as a water tap for a dishwasher. The valve function section is attached to one end of the water passage section, and the on-off valve is attached to the other end of the water passage section, so that the on-off valve is separated from the valve function section. Therefore, when the hot and cold water mixing faucet according to the present invention is used as a normal hot and cold water mixing faucet with the on-off valve installed afterwards, the lever operation of the valve function portion is not obstructed by the on-off valve.

In a preferred aspect of the present invention, the water passage portion houses the resin molded body in which the first water passage, the second water passage, the third water passage, and the fourth water passage are integrally formed, and the resin molded body. And a pipe material to be used. The water flow section, the first water flow path, the second water flow path,
Compared to the case where the entire water passage portion is made of cast metal, the hot and cold mixed water is formed by using a resin molded body in which the third water passage and the fourth water passage are integrally formed and a pipe material that houses the resin molded body. The manufacturing cost of the stopper is reduced.

In a preferred aspect of the present invention, the water passage portion has a resin molded body in which a first water passage, a second water passage, and a third water passage are integrally formed, and a pipe member for accommodating the resin molded body. . By constructing the water passage portion with the resin molded body in which the first water passage, the second water passage, and the third water passage are integrally formed, and the pipe material that accommodates the resin molded body, the entire water passage portion is formed by casting. The manufacturing cost of the hot and cold water mixing faucet is reduced as compared with the case where it is configured.

In a preferred aspect of the present invention, the first water passage is connected to the water supply pipe via the first attachment member, and the second water passage is connected to the water supply pipe.
The water passage is connected to the hot water supply pipe via the second attachment member, and the water passage is substantially a line connecting the connection portion between the first attachment member and the water supply pipe and the connection portion between the second attachment member and the hot water supply pipe. Extend in parallel. The water passage portion is a connection portion between the first mounting member and the water supply pipe,
When extending substantially parallel to a line connecting the second attachment member and the connection portion of the hot water supply pipe, the valve function portion attached to one end of the water passage portion is a connection portion between the first attachment member and the water supply pipe or In the vicinity of either one of the connection parts between the second mounting member and the hot water supply pipe,
The other end of the water passage portion is likely to be near either the connection portion between the first attachment member and the water supply pipe or the connection portion between the second attachment member and the hot water supply pipe. It is highly possible that there is a dead space near the edge. Therefore, even if a water purifier with an on-off valve mechanism or an on-off valve is attached to the other end of the water passage, the working space near the hot and cold water mixing faucet is not narrowed.

In a preferred aspect of the present invention, the operating lever of the valve function portion is arranged laterally of the remaining portion. If the operation lever of the valve function part is arranged on the side of the remaining part,
The dirty water attached to the operation lever through the hand does not reach the rest of the valve function unit or the water passage, and the rest of the valve function unit or the water passage does not get dirty.

In the present invention, a water passage having a first water passage communicating with the water supply pipe, a second water passage communicating with the hot water supply pipe, and a third water passage communicating with the spout, and a water passage. Attached to one end of the cold water flowing from the first water passage and the second
A valve function part for adjusting the flow rate and mixing ratio of hot water flowing in from the water flow path by lever operation to let the mixed water flow out to the third water flow path, and the operation lever of the valve function part is arranged on the side of the remaining part. A hot and cold water mixing faucet is provided. Since the operation lever of the valve function part is arranged on the side of the remaining part, sewage adhering to the operation lever with your hand does not reach the remaining part or water passage part of the valve function part, The rest and water passages are clean.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A hot and cold water mixing faucet according to a first embodiment of the present invention will be described with reference to FIGS. The single-lever hot and cold water mixing faucet A has a first mounting member 1a connected to a water supply pipe (not shown) arranged behind the side wall α and penetrating the side wall α of a bathroom, a restroom, a kitchen, etc. It is provided with a second mounting member 1b penetrating therethrough and connected to a hot water supply pipe (not shown) arranged on the back side of the side wall α. The first mounting member 1a and the second mounting member 1b are arranged at a predetermined distance from each other. The connection portion of the first mounting member 1a with the water supply pipe and the second
A line X connecting the attachment member 1b and the connection portion with the hot water supply pipe extends substantially horizontally.

The first mounting member 1a and the second mounting member 1b are connected to a water-passing member 2 extending in a straight line. The water passing member 2 extends substantially parallel to the line X. The water-passing member 2 includes a resin molded body 3 integrally formed with a plurality of water passages described later,
It has a pipe member 4 for accommodating the resin molded body 3. Figure 1,
As shown in 2, the resin molded body 3 has a first water passage 3a communicating with the water supply pipe via the first mounting member 1a and a second water passage 3b communicating with the hot water supply pipe via the second mounting member 1b.
And a third water passage 3c communicating with the spout 5 are integrally formed.

A valve function portion 6 is attached to one end of the water passage member 2 on the attachment member 1a side. The first water passage 3a of the water passage member 3 communicates with the cold water inlet of the cartridge 6a of the valve function unit 6, the second water passage 3b of the water passage member 3 communicates with the hot water inlet, and the water mixture flows out. The third water passage 3c of the member is in communication. The operation lever 6b of the valve function part 6 projects laterally from the cartridge 6a which is the remaining part. First waterway 3
a extends to the other end of the water passage member 2, and a fourth water passage 3d extending from the other end of the water passage member 2 communicates with the third water passage 3c. The other end of the water-permeable member 2 is closed by a detachable lid 7 screwed onto the resin shaping body 3.

When the lever 6b of the valve function portion 6 is operated with the lid 7 shown in FIG. 1 attached, the valve function portion 6 of the valve function portion 6 is supplied from the water supply pipe via the first mounting member 1a and the first water passage 3a. The flow rate and the mixing ratio of the cold water flowing into the cartridge 6a and the hot water flowing into the cartridge 6a of the valve function part 6 from the hot water supply pipe via the second mounting member 1b and the second water passage 3b are adjusted, and the hot and cold mixed water is mixed. Flows out of the cartridge 6a,
Hot-water mixed water having a desired temperature and flow rate is discharged from the spout 5 through the water passage 3c. Therefore, in the state shown in FIG. 1, the single lever hot and cold water mixer tap A can be used as a normal hot and cold water tap.

The lid 7 can be removed and, as shown in FIG. 3, the water purifier 8 with the opening / closing valve 8a can be retrofitted to the other end of the water passing member 2. The first water passage 3a communicates with the raw water inlet of the water purifier 8, and the fourth water passage 3d communicates with the water outlet of the water purifier 8. By closing the on-off valve 8a and operating the lever 6b of the valve function part 6, the single lever hot and cold water mixing faucet A can be used as a normal hot and cold water mixing faucet. When the lever 6b of the valve function unit 6 is operated to block the inflow of hot water into the cartridge 6a and the opening / closing valve 8a is opened, raw water flows into the water purifier 8 from the first water passage 3a and flows out of the water purifier 8. The purified water is discharged from the spout 5 through the fourth water passage 3d and the third water passage 3c. Therefore, in the state shown in FIG. 3, the single lever hot and cold water mixing faucet A can be used as a normal hot and cold water mixing faucet and can also be used as a purified water discharge faucet.

The valve function section 6 is attached to one end of the water passage member 2, and the water purifier 8 with the opening / closing valve 8a is attached to the other end of the water passage member 2. Therefore, the water purifier 8 with the opening / closing valve 8a is It is separated from the valve function unit 6. Therefore, when the single lever hot and cold water mixing faucet A is used as a normal hot and cold water mixing faucet with the water purifier 8 with the on-off valve 8a attached afterwards, the operation of the lever 6b of the valve function part 6 is performed by the water purifier 8. I can't be disturbed.

Since the water passage member 2 extends substantially parallel to the line X connecting the connecting portion of the first mounting member 1a to the water supply pipe and the connecting portion of the second mounting member 1b to the hot water supply pipe. As can be seen from FIG. 1, the other end of the water passage member 2 is in the vicinity of the connecting portion of the second mounting member 1b to the hot water supply pipe, and the vicinity of the other end is a dead space. Therefore, even if the water purifier 8 with the opening / closing valve 8a is attached to the other end of the water passage member 2, the working space such as the hand-washing space and the washing space near the single-lever hot and cold water mixing faucet A is not narrowed.

The water passage member 2 accommodates the resin molded body 3 in which the first water passage 3a, the second water passage 3b, the third water passage 3c, and the fourth water passage 3d are integrally formed, and the resin molded body 3. By configuring with the pipe member 4, the manufacturing cost of the single lever hot and cold water mixing faucet A is reduced as compared with the case where the entire water passing member 2 is made of casting. Since the valve function portion 6 is attached to one end of the water-permeable member 2, it is easy to form the outer shell of the water-permeable member with the pipe member 4.

Since the operating lever 6b of the valve function portion 6 projects laterally from the remaining cartridge 6a, the dirty water attached to the operating lever 6b through the hand does not reach the cartridge 6a or the water passage portion 2. The cartridge 6a and the water passage 2 are not contaminated. Since the water passage member 2 extends substantially horizontally, the operation lever 6b extends from the cartridge 6a to the water passage member 2
The spread of sewage to the soil is more effectively suppressed.

A hot and cold water mixing faucet according to a second embodiment of the present invention will be described with reference to FIGS. As shown in FIG. 4, in the single lever hot and cold water mixing faucet B, the first water passage 3 a
Extends toward the cartridge 6a of the valve function unit 6,
It does not extend toward the other end of the water passage member 2. The fourth water passage 3d is not provided. The second water passage 3b is the valve function part 6
And extends to the other end of the water passage member 2. Except for the above, the structure of the single lever hot and cold water mixing tap B is the single lever hot and cold water mixing tap A
It is similar to the structure of.

When the lever 6b of the valve function portion 6 is operated with the lid 7 shown in FIG. 4 attached, the valve function portion 6 of the valve function portion 6 is supplied from the water supply pipe via the first mounting member 1a and the first water passage 3a. The flow rate and the mixing ratio of the cold water flowing into the cartridge 6a and the hot water flowing into the cartridge 6a of the valve function part 6 from the hot water supply pipe via the second mounting member 1b and the second water passage 3b are adjusted, and the hot and cold mixed water is mixed. Flows out of the cartridge 6a,
Hot-water mixed water having a desired temperature and flow rate is discharged from the spout 5 through the water passage 3c. Therefore, in the state shown in FIG. 4, the single lever hot and cold water mixing tap B can be used as a normal hot and cold water mixing tap.

The lid 7 can be removed and the on-off valve 9 can be retrofitted to the other end of the water-passing member 2 as shown in FIG. The second water passage 3b communicates with the inlet of the on-off valve 9. On-off valve 9
Is connected to a dishwasher (not shown) via a hose 10. The on-off valve 9 is closed and the lever 6 of the valve function unit 6 is closed.
By operating b, the single lever hot and cold water mixing tap B can be used as a normal hot and cold water mixing tap. When the opening / closing valve 9 is opened, hot water is supplied from the second water passage 3b to a dishwasher (not shown). Therefore, in the state shown in FIG. 5, the single lever hot and cold water mixing faucet B can be used as a normal hot and cold water mixing faucet, and can also be used as a hot water faucet for a dishwasher.

The valve function portion 6 is attached to one end of the water passage member 2, and the opening / closing valve 9 is attached to the other end of the water passage member 2. Therefore, the opening / closing valve 9 is separated from the valve function portion 6. Therefore, when the single lever hot and cold water mixing faucet B is used as a normal hot and cold water mixing faucet with the opening and closing valve 9 attached later, the opening and closing valve 9 does not prevent the operation of the lever 6b of the valve function unit 6.

Since the water passage member 2 extends substantially parallel to the line X connecting the connecting portion of the first mounting member 1a to the water supply pipe and the connecting portion of the second mounting member 1b to the hot water supply pipe, As can be seen from FIG. 4, the other end of the water passage member 2 is in the vicinity of the connection portion of the second mounting member 1b to the hot water supply pipe, and the vicinity of the other end is a dead space. Therefore, even if the open / close valve 9 is attached to the other end of the water passage member 2, the single lever hot / cold water mixing tap B
Do not reduce the work space such as hand washing space and washbasin in the vicinity.

A resin molded body 3 in which the water passage member 2 is integrally formed with a first water passage 3a, a second water passage 3b, and a third water passage 3c.
And the pipe member 4 for accommodating the resin molded body 3, as compared with the case where the entire water-permeable member 2 is made of casting,
The manufacturing cost of the single lever hot and cold water mixing tap B is reduced. Since the valve function portion 6 is attached to one end of the water-permeable member 2, it is easy to form the outer shell of the water-permeable member with the pipe member 4.

Since the operating lever 6b of the valve function portion 6 projects laterally from the remaining cartridge 6a, the dirty water attached to the operating lever 6b through the hand does not reach the cartridge 6a or the water passage portion 2. The cartridge 6a and the water passage 2 are not contaminated. Since the water passage member 2 extends substantially horizontally, the operation lever 6b extends from the cartridge 6a to the water passage member 2
The spread of sewage to the soil is more effectively suppressed.

[0027]

As can be seen from the above description, the hot and cold water mixing faucet according to the present invention can be used as a normal hot and cold water mixing faucet with the lid attached, and the lid is removed to provide a water purifier with an on-off valve mechanism. When it is attached later to the other end of the water passage, it can be used as a normal hot and cold water mixing faucet and also as a purified water discharge faucet. The valve function part is attached to one end of the water passage part, and the water purifier with the on-off valve mechanism is attached to the other end of the water flow part, so the water purifier with the on-off valve mechanism is separated from the valve function part. . Therefore, when the hot and cold water mixing faucet according to the present invention is used as a normal hot and cold water mixing faucet in a state in which the water purifier with an on-off valve mechanism is attached later, the lever operation of the valve function portion is not obstructed by the water purifier.

[Brief description of drawings]

FIG. 1 is a sectional view of a hot and cold water mixing faucet according to a first embodiment of the present invention.

FIG. 2 is a perspective view of a water passage member included in the hot and cold water mixing faucet of FIG. 1 in a state where a pipe member is removed. (A) is the figure seen from the front of one side surface side, (b) is the figure seen from the rear side of one side surface side, (c) is the figure seen from the front side of the other side surface side , (D) are views seen from the rear on the other side surface side.

FIG. 3 is a partial cross-sectional view of the hot and cold water mixing faucet according to the first embodiment of the present invention with a water purifier attached thereto.

FIG. 4 is a cross-sectional view of a hot and cold water mixing faucet according to a second embodiment of the present invention.

FIG. 5 is a cross-sectional view of a hot and cold water mixing faucet according to a second embodiment of the present invention with an opening / closing valve attached.

[Explanation of symbols]

A, B single lever hot and cold water mixing tap 1a First mounting member 1b Second mounting member 2 water flow members 3 resin molding 3a First waterway 3b Second waterway 3c Third waterway 3d Fourth waterway 4 tubing 5 spouts 6 valve function part 6a cartridge 6b Operation lever 7 lid 8 Water purifier with open / close valve 9 open / close valve 10 hoses

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Claims (7)

[Claims] 1. A first water passage communicating with a water supply pipe, a second water passage communicating with a hot water supply pipe, and a third water passage communicating with a spout.
A water passage having a water passage, and a flow rate and a mixing ratio of cold water flowing from the first water passage and hot water flowing from the second water passage, which are attached to one end of the water passage, and a mixing ratio are adjusted by a lever operation to mix the water. A valve function part for flowing out to the third water passage, and a lid detachably attached to the other end of the water passage for closing the other end,
A hot and cold water mixing faucet, wherein the first water passage extends to the other end of the water passage, and the fourth water passage extending from the other end of the water passage communicates with the third water passage. 2. A first water passage communicating with the water supply pipe, a second hot water passage communicating with the hot water supply pipe, and a third water passage communicating with the spout.
A water passage having a water passage, and a flow rate and a mixing ratio of cold water flowing from the first water passage and hot water flowing from the second water passage, which are attached to one end of the water passage, and a mixing ratio are adjusted by a lever operation to mix the water. A valve function part for flowing out to the third water passage, and a lid detachably attached to the other end of the water passage for closing the other end,
A hot and cold water mixing faucet characterized in that the second water passage extends to the other end of the water passage. 3. The resin molded body, wherein the water passage portion is integrally formed with a first water passage, a second water passage, a third water passage, and a fourth water passage,
The hot and cold water mixing faucet according to claim 1, further comprising: a pipe member that houses the resin molded body. 4. The water passage portion has a resin molded body in which a first water passage, a second water passage, and a third water passage are integrally formed, and a pipe member for accommodating the resin molded body. The hot and cold water mixed faucet according to Item 2. 5. The first water passage is connected to the water supply pipe through the first mounting member, the second water passage is connected to the hot water supply pipe through the second mounting member, and the water passage portion is connected to the first mounting member. The hot and cold water mixture according to any one of claims 1 to 4, which extends substantially parallel to a line connecting a connection portion with the water supply pipe and a connection portion between the second mounting member and the hot water supply pipe. Water faucet. 6. The hot and cold water mixing faucet according to any one of claims 1 to 5, wherein the operating lever of the valve function portion is arranged laterally of the remaining portion. 7. A first water passage communicating with the water supply pipe, a second water passage communicating with the hot water supply pipe, and a third water passage communicating with the spout.
A water passage having a water passage, and a flow rate and a mixing ratio of cold water flowing from the first water passage and hot water flowing from the second water passage, which are attached to one end of the water passage, and a mixing ratio are adjusted by a lever operation to mix the water. A hot and cold water mixing faucet, comprising: a valve function part for flowing out to a third water passage, wherein an operation lever of the valve function part is arranged laterally of the remaining part.