JP2012036611A - Combination faucet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a small lightweight combination faucet with excellent piping efficiency.SOLUTION: A shower hose insertion hole which vertically passes through is provided on the longitudinal direction center of a horizontally extending cylindrical core part 10, and a hot water supply path 18, a cold water supply path 15, a hot water and cold water mixture discharge path 17, and a water purifier water supply path 16 are provided between the shower hose insertion hole and the right end part of the core part 10. At the right end part of the core part 10, a hot water entrance port 21 connected to the hot water supply path 18, a first water entrance port 22 connected to the cold water supply path 15, and a hot water and cold water mixture output port 23 connected to the hot water and cold water mixture discharge path 17 are formed. By a hot water valve provided on the right end part of the core part 10, the ports 21, 22 and 23 can be communicated and interrupted. At the left end part of the core part 10, a water purifier water supply port 32 connected to the water purifier water supply path 16 and a second water entrance port connected to the cold water supply path 15 are formed, and by a water purification valve provided on the left end part of the core part 10, the water purifier water supply port 32 and the second water entrance port can be communicated and interrupted.

Description

  The present invention relates to a hot-water / water-mixing faucet that can be discharged by switching hot water, water, hot-water / water-mixed water, and purified water by a handle operation.

  A hot and cold water faucet that can discharge hot water that does not pass through the water purifier, water, hot water mixed water, and purified water that has been purified through the water purifier by operating the left and right handles is known (for example, Patent Document 1). reference).

A conventional hot and cold water mixing tap 100 of this type will be described with reference to FIGS. 15 to 17.
FIG. 15 is an external view of a conventional hot / cold water faucet 100 as viewed from the upper left side of the front. The hot / cold water faucet 100 has a metal plug body 101 integrally formed into a cross shape by casting or forging. A leg portion 102 extending downward in the plug body 101 is installed on a sink or the like, a water purification valve 104 is attached to the left side of a cylindrical arm portion 103 extending horizontally in the plug body 101, and a hot water valve 105 is attached to the right side. In addition, a holder 107 made of a metal pipe is attached to a neck portion 106 that extends upward in the stopper main body 101 so as to be able to turn left and right, and a nozzle 108 is attached to the tip of the holder 107 so as to be detachable. The nozzle 108 is connected to a shower hose (not shown) housed in the holder 107, and the nozzle 108 can be removed from the holder 107 and the shower hose connected to the nozzle 108 can be pulled out of the holder 107 and used. It can be done.

  The operation lever 105a of the hot water valve 105 can tilt in the left-right direction and can rotate in the front-rear direction. FIG. 15 shows a state in which the operation lever 105a is tilted to the left and is erected straight upward. Thus, when the operation lever 105a is tilted to the left, the hot water valve 105 is closed and water and Hot water and hot water mixed water are not discharged from the nozzle 108. When the operation lever 105a is tilted to the right from the state of FIG. 15, the hot water valve 105 is opened, and water or hot water or hot water mixed water raw water can be discharged from the nozzle 108. The temperature of the hot / cold water mixture can be adjusted by rotating the 105a in the front-rear direction. For example, when the operation lever 105a is rotated 50 degrees toward the front side, water can be discharged, and when the operation lever 105a is rotated 50 degrees toward the rear side, hot water can be discharged. By changing the mixing ratio of water and hot water, hot water mixed water at a desired temperature can be discharged.

  The operation part 104a of the water purification valve 104 is rotatable in the front-rear direction. FIG. 15 shows a state in which the projection 104b of the operation unit 104a is directed upward. When the projection 104b is directed upward in this way, the water purification valve 104 is opened, and purified water is discharged from the nozzle 108. The Note that when water is discharged from the nozzle 108, the operation lever 105a of the hot water valve 105 is kept in a closed position. And when stopping water purification, the operation part 104a of the water purification valve 104 is rotated 90 degree | times to the back | inner side from the state of FIG. As a result, the water purification valve 104 is closed and the purified water from the nozzle 108 is stopped.

The flow path structure inside the plug body 101 of the hot and cold water mixing tap 100 will be described with reference to FIG. 16. The plug body 101 is provided with a shower hose insertion hole 110 penetrating from the leg portion 102 to the neck portion 106. The hot water mixing discharge path 111, the hot water supply path 112, the water supply path 113, and the water purifier water supply path 114 are provided in the vertical direction in order from the right to the left in the rear side of the shower hose insertion hole 110 when viewed from the front. Yes.
FIG. 17 is a bottom view of the hot and cold water mixing faucet 100 as viewed from below. The shower hose insertion hole 110, the hot and cold water mixing discharge path 111, the hot water supply path 112, the water supply path 113, and the water purifier water supply are provided at the inner bottom of the leg 102. A path 114 is open.

  A hot water mixing outlet port 115, a hot water inlet port 116, and a water inlet port 117 are formed on the right inner end face of the arm portion 103. The hot water / mixed water outlet port 115 is disposed on the lower side, and the hot water inlet port 116 and the water inlet port 117 are located above the hot water / mixed outlet port 115 and are arranged horizontally, with the front side being the water inlet port 117, The hot water inlet port 116 is on the rear side. The hot water mixing outlet port 115 is connected to the hot water mixing discharge path 111, the hot water inlet port 116 is connected to the hot water supply path 112, and the water inlet port 117 is connected to the water supply path 113. The hot and cold mixing outlet port 115, the hot water inlet port 116, and the water inlet port 117 are connected / blocked and the opening degree is adjusted by the hot water valve 105.

  Moreover, the water purifier water supply port 118 and the water purifier water inlet port which is hidden in the back part of the water purifier water supply port 118 in FIG. The water purifier water inlet port is connected to the water supply channel 113, and the water purifier water supply port 118 is connected to the water purifier water supply channel 114. The water purifier water inlet port and the water purifier water supply port 118 are connected and disconnected by the water purifying valve.

  Under the sink, the hot water / mixing discharge path 111 of the hot water / water mixing tap 100 is connected to the shower hose, and the hot water supply path 112 is connected to a hot water pipe (not shown) of the building via a flexible hose or the like. The passage 113 is connected to a water pipe (not shown) of the building via a flexible hose, and the water purifier water supply passage 114 is connected to a water purifier (not shown) installed under the sink via a hose or the like. Is done. The water purifier outlet of the water purifier is connected to the shower hose via a hose and a joint (both not shown).

JP-A-7-98069

  By the way, in general, in a building including a water pipe and a hot water pipe, a water pipe is piped on the right side and a hot water pipe is piped on the left side as viewed from the front. However, as described above, in the conventional hot and cold water mixing faucet 100, the hot water supply passage 112 is provided on the right side as viewed from the front, and the water supply passage 113 is provided on the left side. Therefore, when the water supply channel 113 is connected to the water pipe with a flexible hose and the hot water supply channel 112 is connected to the hot water pipe with a flexible hose, the two flexible hoses cross each other, and the workability is extremely poor. The burden was great.

  Further, in the hot and cold water mixing tap 100, it is better to arrange the neck portion 106 to which the holder 107 is connected at the center in the front-rear direction of the arm portion 103, because the front-rear weight balance is better and the design is preferable. In the mixing faucet 100, since the hot water mixing discharge path 111, the hot water supply path 112, the water supply path 113, and the water purifier water supply path 114 are arranged on the rear side of the shower hose insertion hole 110 when viewed from the front, the shower hose insertion hole is provided. If 110 (in other words, the neck portion 106) is disposed at the center in the front-rear direction of the arm portion 103, the diameter of the arm portion 103 must be increased, resulting in an increase in weight and an increase in cost.

  Therefore, in the conventional hot and cold water mixing faucet 100, as shown in FIGS. 15 and 17, the neck portion 106 (shower hose insertion hole 110) is disposed offset from the center in the front-rear direction of the arm portion 103 to the near side. Thus, although the diameter of the arm portion 103 is reduced, there is a problem in that the weight balance between the front and rear is deteriorated, and the design property must be sacrificed.

  Accordingly, the present invention is to provide a hot and cold water mixing faucet having good piping workability, small size and light weight and excellent design.

In the hot and cold water mixing faucet according to the present invention, the following means are employed in order to solve the above problems.
The invention according to claim 1 includes first and second switching portions on the left and right sides of the plug body having a through-hole penetrating in the vertical direction, and the water purifier is not passed by operating the first and second switching portions. Hot water, water, hot and cold water mixed water, and purified water purified through the water purifier is a hot water and water mixing faucet capable of discharging water through a water discharge pipe portion inserted into the through hole,
The plug body includes a cylindrical core portion extending horizontally to the left and right in the axial direction, and the through-hole penetrating in the vertical direction is provided in the center of the core portion in the front-rear direction.
Between the through hole and one of the left and right ends of the core part, a hot water supply path, a water supply path, a hot water mixed discharge path, and a water purifier water supply path each having an axial line extending in the vertical direction are provided.
The one end of the core portion has a hot water inlet port connected to the hot water supply passage, a first water inlet port connected to the water supply passage, and a hot water / water mixing outlet connected to the hot water / mixing discharge passage. A port is formed, and one or both of the first water inlet port and the hot water inlet port are made the hot water mixing outlet port by the first switching portion provided on the one end side of the core portion. Can communicate and shut off,
A water purifier water supply port connected to the water purifier water supply passage and a second water inlet port connected to the water supply passage are formed at the other end of the core portion, and the other end of the core portion The water purifier water supply port and the second water inlet port can be communicated and blocked by the second switching unit provided on the end side of the
A hot water / water mixing faucet in which the hot / water mixing discharge path and the purified water outlet of the water purifier are connected to the water discharge pipe portion.

  The invention according to claim 2 is the invention according to claim 1, wherein the hot water supply channel, the water supply channel, the hot water mixing discharge channel, and the water purifier water supply channel are arranged along the outer periphery of the through hole. It is a hot and cold water faucet.

  The invention according to claim 3 is the invention according to claim 1 or 2, wherein the hot water mixing discharge path and the water purifier water supply path are arranged between the hot water supply path and the water supply path in the front-rear direction. It is a hot and cold water mixing faucet.

  The invention according to claim 4 is the invention according to any one of claims 1 to 3, wherein the hot water supply passage and the hot water inlet port are connected by a straight passage, and the water supply passage and the first water inlet are provided. The port is connected by a straight passage, the hot water mixing discharge passage and the hot water mixing outlet port are connected by a straight passage, and the water purifier water supply passage and the water purifier water supply port are hot water mixing faucets connected by a straight passage. is there.

  The invention according to claim 5 is the invention according to any one of claims 1 to 4, wherein the water discharge pipe portion is a hose that can be inserted through the through-hole, and a cylindrical shape through which the hose is inserted. The holder is a hot and cold water mixing faucet installed in the core part.

  According to a sixth aspect of the invention, in the first aspect of the invention according to any one of the first to fifth aspects, the first switching portion is configured to rotate in the front-rear direction around the axis of the core portion. The hot water / water mixing faucet has a larger rotation operation range on the front side than on the rear side.

According to the invention which concerns on Claim 1, the water supply path of a hot-water mixing faucet is connected to the water pipe of a building with connection piping, such as a flexible hose, and the hot water supply path is connected to the hot water piping of a building with connection piping, such as a flexible hose. Occasionally, piping can be performed without crossing the connecting piping, so that the workability is extremely improved as compared with the prior art.
Moreover, since the through-hole is disposed at the center in the front-rear direction of the core portion, the weight balance before and after the hot and cold water mixing faucet is improved and the design is improved. Furthermore, the diameter of the core portion can be reduced while the through hole is arranged at the center in the front-rear direction of the core portion, and the hot and cold water mixing faucet can be made smaller and lighter.
According to the invention which concerns on Claim 2, the diameter of a core part can be made smaller.
According to the invention which concerns on Claim 3, a hot water supply channel and a water supply channel can be arrange | positioned away in the front-back direction by arrange | positioning the hot water mixing discharge channel and the water purifier water supply channel between a hot water supply channel and a water supply channel.
According to the invention which concerns on Claim 4, a hot water supply channel, a hot water inlet port, a water supply channel, a 1st water inlet port, a hot water mixing discharge channel, a hot water mixing outlet port, and a water purifier water supply channel and a water purifier water supply The ports can be connected at the shortest distances, and processing is facilitated.
According to the invention which concerns on Claim 5, a hose can be pulled out and used from a holder and usability improves.
According to the invention which concerns on Claim 6, when an operation lever is provided in the 1st switching part, it can be installed also in the place where the installation space of the back side of a hot-water-mixing faucet is narrow, and operativity improves.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. It is a front view of the principal part in the hot-water-mixing faucet of the said Example. It is a right view of the said principal part. It is a left view of the said principal part. It is a front view of the core part of the stopper main body in the hot-and-water mixing tap of the said Example. It is a top view of the said core part. It is a bottom view of the core part. It is a right view of the said core part. It is a left view of the said core part. It is the external appearance perspective view which looked at the said core part from diagonally right above. It is the external appearance perspective view which looked at the said core part from diagonally lower right. It is a figure for demonstrating the flow path formed inside the said core part, Comprising: It is the perspective view which looked at the core part from diagonally upper left. It is a figure for demonstrating the flow path formed inside the said core part, Comprising: It is the perspective view which looked at the core part from diagonally lower left. It is a flowchart in the hot and cold water mixing faucet of the embodiment. It is an external appearance perspective view of the conventional hot-water mixed tap. It is the schematic of the flow path formed in the inside in the said conventional hot-water-mixing faucet. It is a bottom view of the conventional hot and cold water mixing faucet.

Embodiments of a hot and cold water mixing faucet according to the present invention will be described below with reference to the drawings of FIGS.
FIG. 1 is an external perspective view of a hot and cold water mixing faucet 1 according to an embodiment as viewed from the diagonally upper right side of the front. In FIG. The direction is shown, and in the following description, the description of the direction is based on this.

The hot and cold water faucet 1 is provided at the plug body 2, the holder 3 attached to the top of the plug body 2, the hot water valve 4 provided at the right end of the plug body 2, and the left end of the plug body 2. The water purification valve 5 and the nozzle 6 arranged at the tip of the holder 3 are the main components.
The plug body 2 includes a cylindrical metal core portion 10 that extends in the left and right directions with the axial direction horizontal, and a hollow cylindrical metal leg portion that is connected and fixed at substantially the center in the left-right direction at the lower portion of the core portion 10. 11 and the leg 11 is installed on a sink, for example. The holder 3 described above is attached to the upper portion of the core portion 10, the hot water valve 4 is provided at the right end portion of the core portion 10, and the water purification valve 5 is provided at the left end portion of the core portion 10.

  The core unit 10 will be described in detail with reference to the drawings of FIGS. 5 is a front view of the core portion 10, FIG. 6 is a plan view thereof, FIG. 7 is a bottom view thereof, FIG. 8 is a right side view thereof, FIG. 9 is a left side view thereof, and FIG. FIG. 11 is an external perspective view seen obliquely from the lower right.

  A bottomed leg mounting hole 12 into which the leg portion 11 is screwed is formed in the lower surface of the core portion 10 in the center in the left-right direction and in the center in the front-rear direction. A bottomed holder mounting hole 13 into which the holder 3 is inserted is formed in the center in the front-rear direction slightly to the left of the mounting hole 12.

  The core portion 10 is provided with a shower hose insertion hole 14 penetrating from the holder attachment hole 13 to the leg attachment hole 12 in the vertical direction. The axial center of the shower hose insertion hole 14 is arranged coaxially with the axial center of the holder mounting hole 13 as shown in FIG. 6, and is arranged to the left of the axial center of the leg mounting hole 12 as shown in FIG. Has been.

  In the core portion 10, four passages that open to the right half region of the bottom surface of the leg attachment hole 12 are provided so as to extend in the vertical direction and not to interfere with the shower hose insertion hole 14. These four passages are a water supply passage 15, a water purifier water supply passage 16, a hot water mixing and discharge passage 17, and a hot water supply passage 18, which are arranged along the outer periphery of the shower hose insertion hole 14 in a plan view, The water supply path 15, the water purifier water supply path 16, the hot water / mixing discharge path 17, and the hot water supply path 18 are arranged in order from the rear side. That is, the water purifier water supply path 16 and the hot water mixed discharge path 17 are disposed between the water supply path 15 and the hot water supply path 18.

  Further, as shown in FIG. 10, a bottomed valve mounting hole 20 into which the hot water valve 4 is screwed is formed at the right end portion of the core portion 10, and as shown in FIG. A hot water inlet port 21, a first water inlet port 22, and a hot water / mixed outlet port 23 are provided at the bottom of the. The hot water mixing outlet port 23 is arranged slightly diagonally below and in the rear of the valve mounting hole 20, and the hot water inlet port 21 is arranged slightly diagonally above and forward of the hot water mixing outlet port 23. 22 is arranged between the hot water / mixing outlet port 23 and the hot water inlet port 21 in the up-down direction in front of these ports 21 and 23. Note that this is counterclockwise as viewed from the right side while maintaining the positional relationship of the hot water inlet port 116, water inlet port 117, and hot water mixed outlet port 115 in the conventional hot and cold water mixing tap 100 shown in FIG. Corresponds to a position rotated about 40 degrees in the direction.

  12 and 13, the hot water inlet port 21 is connected to the hot water supply path 18 via a straight path 24 provided linearly inside the core portion 10, and the first water inlet port. 22 is connected to the water supply passage 15 via a straight passage 25 provided linearly inside the core portion 10, and the hot water mixing outlet port 23 is connected via a straight passage 26 provided linearly inside the core portion 10. Connected to the hot and cold mixed discharge path 17. The straight paths 24, 25, and 26 are arranged so as not to interfere with each other and with the shower hose insertion hole 14. Thus, when connecting via the straight paths 24, 25, 26, it is possible to connect at the shortest distance, and the straight paths 24, 25, 26 can be formed by cutting using a drill or the like. Processing becomes easy.

  A hot water valve 4 is screwed into the valve mounting hole 20, and one or both of the hot water inlet port 21 and the first water inlet port 22 can be communicated with and blocked from the hot water mixing outlet port 23 by the hot water valve 4. . Since the structure of the hot water valve 4 is the same as that of the conventional well-known thing, description is abbreviate | omitted and it is as follows when the hot water valve 4 is demonstrated functionally.

  The operation lever 4a of the hot water valve 4 can tilt in the left-right direction and can rotate in the front-rear direction, and the opening and closing of the hot water valve and the flow rate can be adjusted by tilting the operation lever 4a in the left-right direction. The mixing ratio of water and hot water (including 0: 100 and 100: 0) can be performed by rotating the operation lever 4a in the front-rear direction. 1 to 4 show a state in which the operation lever 4a is tilted to the left limit, and in this state, the hot water valve 4 is in a closed state regardless of the rotational position of the operation lever 4a in the front-rear direction. When the operation lever 4a is tilted to the right from this closed state, the hot water valve 4 is opened, and as the tilt angle increases, the valve opening increases and the flow rate can be increased.

The rotation operation range in the front-rear direction of the operation lever 4a is a position indicated by a two-dot chain line B (a front horizontal position) from a position indicated by a two-dot chain line A in FIG. The angle range is up to 100 degrees. That is, the rotation operation range of the operation lever 4a is set so that the front side is larger than the rear side.
When the operation lever 4a is tilted rightward so as to open the hot water valve 4 as described above and the operation lever 4a is rotated backward to the position indicated by a two-dot chain line A in FIG. When the first water inlet port 22 is closed and the hot water inlet port 21 and the hot water mixing outlet port 23 communicate with each other and turn forward to the position indicated by a two-dot chain line B in FIG. 1 water inlet port 22 and hot water mixing outlet port 23 communicate. Further, when the operation lever 4a is positioned between A and B, both the hot water inlet port 21 and the first water inlet port 22 communicate with the hot water mixing outlet port 23, and hot water is changed according to the stop position between A and B. The mixing ratio of water can be adjusted.

  On the other hand, as shown in FIG. 9, a bottomed valve mounting hole 30 into which the water purification valve 5 is screwed is formed at the left end of the core portion 10, and a second portion is formed at the bottom of the valve mounting hole 30. A water inlet port 31 and a water purifier water supply port 32 are formed. As shown in FIGS. 9, 12, and 13, the second water inlet port 31 is provided substantially at the center of the valve mounting hole 30, and the water purifier water supply port 32 is annular along the circumference of the valve mounting hole 30. Is provided. The second water inlet port 31 is connected to the straight path 25 described above via a straight path 33 that is linearly provided inside the core portion 10. That is, the second water inlet port 31 is connected to the water supply path 15 through the straight paths 33 and 25. The water purifier water supply port 32 is connected to the water purifier water supply path 16 via a straight line 34 provided linearly inside the core portion 10. The straight paths 33 and 34 are arranged so as not to interfere with each other and to interfere with all the other passages and shower hose insertion holes 14 formed in the core portion 10 described above.

The water purification valve 5 is screwed into the valve mounting hole 30, and the second water inlet port 31 and the water purifier water supply port 32 are communicated and blocked by the water purification valve 5.
The operation part 5a of the water purification valve 5 is turnable in the front-rear direction, and the second water inlet port 31 and the water purifier water supply in a state where the projection part 5b of the operation part 5a faces upward as shown in FIG. When the port 32 is communicated and the water purification valve 5 is opened, the water purification valve 5 is rotated 90 degrees forward from this state, and the projection 5b is directed forward as shown by the solid line in FIG. 2 and FIG. The inlet port 31 and the water purifier water supply port 32 are blocked, and the water purification valve 5 is closed.

  A leg portion 11 is screwed and fixed to the leg attachment hole 12 of the core portion 10, and a hollow cylindrical holder 3 having an inverted J shape is attached to the holder attachment hole 13 so as to be rotatable to the left and right. Yes. Then, as shown in FIG. 14, a shower hose 40 is movably inserted into the holder 3, and a nozzle 6 connected to the tip of the shower hose 40 is detachably attached to the tip of the holder 3. The nozzle 6 can be removed from the holder 3 and the shower hose 40 can be pulled out from the holder 3 for use. Moreover, the nozzle 6 is comprised so that the water discharge form can be switched to a straight and a shower.

  The hot and cold water mixing faucet 1 configured in this way has a water supply path 15 via a flexible hose 50, a valve 51, etc., as shown in FIG. 14 schematically showing the paths of water, hot water, hot and cold mixed water, and purified water. Connected to the water pipe 52 of the building, the hot water supply path 18 is connected to the hot water pipe 55 of the building via the flexible hose 53, the valve 54, etc., and the raw water inlet of the water purifier 70 installed under the sink through the water purifier water supply path 16 71 is connected to the shower hose 40 via a connecting pipe 57 or the like, and the purified water outlet 72 of the water purifier 70 is connected to the connecting pipe 57 via a hose 58, a joint 59 or the like. 57 is used in connection with.

The use of the hot and cold water faucet 1 is the same as the conventional one.
First, when water or hot water or hot water mixed water is discharged without passing through the water purifier 70, the water purification valve 5 is closed, only the hot water valve 4 is opened, and the operation lever is operated according to the desired water discharge temperature. 4a is rotated in the front-rear direction. When the water purification valve 5 is closed, the second water inlet port 31 and the water purifier water supply port 32 are blocked by the water purification valve 5, so that the water supplied from the water pipe 52 of the building is not supplied to the water purifier 70.

  When the operation lever 4a is rotated forward to the position B in FIG. 3, the hot water inlet port 21 is closed by the hot water valve 4, and the first water inlet port 22 and the hot water mixing outlet port 23 communicate with each other. The water supplied from the pipe 52 flows from the first water inlet port 22 to the hot water / mixing outlet port 23, and further passes through the straight path 26, the hot / cold water mixing / discharge path 17, the connecting pipe 57, and the shower hose 40 in order, from the nozzle 6. Water is discharged.

  When the operation lever 4a is rotated backward to the position A in FIG. 3, the hot water valve 4 closes the first water inlet port 22 and the hot water inlet port 21 and the hot water mixing outlet port 23 communicate with each other. Hot water supplied from the pipe 55 flows from the hot water inlet port 21 to the hot water / mixing outlet port 23, and further passes through the straight path 26, hot water / mixing discharge path 17, the connecting pipe 57, and the shower hose 40 in order, and is discharged from the nozzle 6. The

  When the operation lever 4 a is stopped at an arbitrary position between the A position and the B position in FIG. 3, both the first water inlet port 22 and the hot water inlet port 21 are communicated with the hot water mixing outlet port 23 by the hot water valve 4. Therefore, the water supplied from the water pipe 52 of the building and the hot water supplied from the hot water pipe 55 of the building are mixed and flow into the hot water mixing outlet port 23, and further, the straight line 26, the hot water mixing discharge path 17, and the connecting pipe 57. The water is discharged from the nozzle 6 through the shower hose 40 in order.

  On the other hand, when discharging the water purified by the water purifier 70, the hot water valve 4 is closed and only the water purification valve 5 is opened. When the hot water valve 4 is closed, the hot water inlet port 21, the first water inlet port 22, and the hot water mixing outlet port 23 are shut off, so that water that does not pass through the water purifier 70 and hot water flow into the connection pipe 57. There is nothing. When the water purification valve 5 is opened in this state, the second water inlet port 31 and the water purifier water supply port 32 communicate with each other, so that the water supplied from the water pipe 52 of the building is supplied from the second water inlet port 31 to the water purifier. The purified water that flows into the water supply port 32 and is further supplied to the water purifier 70 through the straight line 34, the water purifier water supply path 16, and the hose 56, and purified by the water purifier 70 is the hose 58, the joint 59, the connecting pipe 57, the shower. The water is discharged from the nozzle 6 through the hose 40 in order.

  In the hot and cold water mixing faucet 1 configured as described above, the shower hose is inserted between the right end portion of the core portion 10 to which the hot water valve 4 is attached and the shower hose insertion hole 14 in the leg mounting hole 12 of the core portion 10. Since the hot water supply path 18, the water supply path 15, the hot water / mixing discharge path 17, and the water purifier water supply path 16 are arranged along the outer periphery of the insertion hole 14, the water pipe 52 is piped on the front right side in the building, and on the left side of the front face. Even when the hot water pipe 55 is piped, when the water supply path 15 is connected to the water pipe 52 of the building with the flexible hose 50 and the hot water supply path 18 is connected to the hot water pipe 55 of the building with the flexible hose 53, the flexible hose 50, The piping can be performed without crossing 53, and the workability is extremely good. In particular, since the hot water supply path 15 and the hot water supply path 18 are arranged in the front and rear of the hot water mixing discharge path 17 and the water purifier water supply path 16, the hot water supply path 18 and the water supply path 15 are separated in the front-rear direction. Can be arranged.

Moreover, since the shower hose insertion hole 14 is disposed in the center in the front-rear direction of the core portion 10, the weight balance in the front-rear direction of the hot and cold water mixing faucet 1 is improved and the design is improved.
Further, between the right end of the core portion 10 and the shower hose insertion hole 14, along the outer periphery of the shower hose insertion hole 14, a hot water supply path 18, a water supply path 15, a hot water mixed discharge path 17, and a water purifier water supply path 16. Since the shower hose insertion hole 14 is arranged at the center in the front-rear direction of the core portion 10, the diameter of the core portion 10 can be reduced, and the hot and cold water mixing faucet can be made smaller and lighter. . As a result, cost reduction can be achieved.

  Moreover, in this hot-water / water-mixing faucet 1, since the structure which attaches the leg part 11 and the holder 3 which were formed as separate parts to the cylindrical core part 10 is employ | adopted, the core part 10 is formed by cutting. It becomes possible. Thereby, it is not necessary to use casting and forging which are necessary for the processing of the plug body 101 in the conventional hot and cold water mixing tap 100, and the productivity is improved.

  Furthermore, in this hot and cold water mixing faucet 1, the turning operation range of the hot and cold water valve 4 is in the range of 10 degrees from the rear to 90 degrees and the front side is set larger than the rear side. It is possible to install in a place where the installation space on the rear side of the faucet 1 is narrow, and operability is improved.

[Other Examples]
The present invention is not limited to the embodiment described above.
For example, in the embodiment described above, the through hole of the core portion is used as a shower hose insertion hole, and a holder for guiding the shower hose to be inserted is provided, and the shower hose can be pulled out from the holder and used. It is also possible to use a pipe that cannot be bent without using a hose.
In the embodiment described above, the hot water valve is disposed at the right end of the core portion and the water purification valve is disposed at the left end portion. However, the water purification valve may be disposed at the right end portion of the core portion and the hot water valve may be disposed at the left end portion.
Further, in the above-described embodiment, the rotation operation range of the hot / cold water valve 4 is set to a range from 10 degrees rearward to 90 degrees forward, but is not limited to this angle and can be set to an appropriate angle.

1 Hot and cold water mixing faucet 2 Plug body 3 Holder 4 Hot water valve (first switching part)
5 Water purification valve (second switching part)
10 Core part 14 Shower hose insertion hole (through hole)
15 Water supply path 16 Water purifier water supply path 17 Hot water mixing discharge path 18 Hot water supply path 21 Hot water inlet port 22 First water inlet port 23 Hot water mixing outlet ports 24, 25, 26 Straight path (straight path)
31 Second water inlet port 32 Water purifier water supply port 34 Straight path (straight passage)
40 Shower hose (water discharge pipe, hose)
70 Water purifier 72 Water purification outlet

Claims (6)

Hot water, water, hot / cold water mixed water that does not pass a water purifier by operating the first and second switching units, provided on the left and right sides of the plug body having a through-hole penetrating in the vertical direction, And a hot and cold water faucet capable of discharging purified water purified through the water purifier through a water discharge pipe portion inserted through the through hole,
The plug body includes a cylindrical core portion extending horizontally to the left and right in the axial direction, and the through-hole penetrating in the vertical direction is provided in the center of the core portion in the front-rear direction.
Between the through hole and one of the left and right ends of the core part, a hot water supply path, a water supply path, a hot water mixed discharge path, and a water purifier water supply path each having an axial line extending in the vertical direction are provided.
The one end of the core portion has a hot water inlet port connected to the hot water supply passage, a first water inlet port connected to the water supply passage, and a hot water / water mixing outlet connected to the hot water / mixing discharge passage. A port is formed, and one or both of the first water inlet port and the hot water inlet port are made the hot water mixing outlet port by the first switching portion provided on the one end side of the core portion. Can communicate and shut off,
A water purifier water supply port connected to the water purifier water supply passage and a second water inlet port connected to the water supply passage are formed at the other end of the core portion, and the other end of the core portion The water purifier water supply port and the second water inlet port can be communicated and blocked by the second switching unit provided on the end side of the
A hot and cold water mixing faucet in which the hot water and water mixing discharge path and the water purifying outlet of the water purifier are connected to the water discharge pipe portion.   The hot water / water mixing faucet according to claim 1, wherein the hot water supply channel, the water supply channel, the hot / cold water supply / discharge channel, and the water purifier water supply channel are disposed along an outer periphery of the through hole.   The hot / cold water mixing faucet according to claim 1 or 2, wherein the hot water / mixing discharge path and the water purifier water supply path are arranged between the hot water supply path and the water supply path in the front-rear direction.   The hot water supply passage and the hot water inlet port are connected by a straight passage, the water supply passage and the first water inlet port are connected by a straight passage, and the hot water mixing discharge passage and the hot water mixing outlet port are connected by a straight passage, The hot and cold water mixing faucet according to any one of claims 1 to 3, wherein the water purifier water supply channel and the water purifier water supply port are connected by a straight passage.   The hot water according to any one of claims 1 to 4, wherein the water discharge pipe portion is a hose that can be inserted through the through hole, and a cylindrical holder through which the hose is inserted is installed in the core portion. Mixing tap.   The said 1st switching part is comprised so that rotation operation may be carried out in the front-back direction around the axis | shaft of the said core part, The rotation operation range is large in the front side rather than the back side. The hot water / water mixing faucet according to claim 1.

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