JP2006291603A - Water supply device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a water supply device capable of reducing height of upward protrusion of a water faucet mounting part, facilitating replacement of a water purifying cartridge, and miniaturizing a water faucet and having excellent operation property by adopting a solenoid valve system for opening and closing a water supply passage by a switch without adopting a structure incorporating a manually operated opening and closing valve. <P>SOLUTION: The water faucet is attached to the water faucet mounting part so as to protrude upward, and the water purifying cartridge is stored in a water faucet main body of the water faucet so as to pass through a wall of the water faucet mounting part and is held in the water faucet main body so as to attach to and detach from the wall of the water faucet mounting part from above. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a water supply apparatus in a form in which a faucet body containing a water purification cartridge is attached to a sink or the like.

  Water with a water purifier invented as an improvement of a water faucet with a built-in water purification cartridge that has a raw water supply chamber that supplies raw water to the water purification cartridge and a purified water inflow chamber that receives purified water purified by the water purification cartridge side by side. There is a stopper. (For example, refer to Patent Document 1).

In the faucet with a water purifier of Patent Document 1, a cylindrical water purification cartridge is housed in a vertically long faucet body, an inflow portion of raw water is provided at the lower end portion of the faucet body, and the upper end portion of the faucet body is provided. A discharge pipe is attached via a lid member, and a manual open / close valve is incorporated below the water purification cartridge so that the water purification cartridge can be replaced by opening and closing the lid member. As a result, the width and depth dimensions are small and can be configured in a vertically long shape, so that the area where kitchen counters can be used effectively can be increased, it is easy to clean, and the structure of the water passage in the faucet body is simplified. It proposes the effect of reducing the cost and simplifying the replacement of the water purification cartridge.
JP 2004-263504 A

  In the faucet with a water purifier of Patent Document 1, the entire faucet including the manual on-off valve and the water purifying cartridge protrudes above the faucet installation surface of a kitchen counter or the like. It can be quite high and get in the way. In order to increase the purification capacity of the water purification cartridge, a method of increasing the diameter of the water purification cartridge is conceivable, but the faucet body also becomes larger correspondingly, and the large faucet protrudes upward such as a kitchen counter. Therefore, it will get in the way. Moreover, since the manual on-off valve is incorporated, the entire faucet is further lengthened.

  In view of such a point, the present invention incorporates a water purification cartridge and attaches a faucet for taking out the purified water that has passed through the water purification cartridge to a faucet mounting part such as a kitchen shelf or a cooking table or a sink. Provided is a water supply device that has a low protruding height from a faucet mounting part and that allows easy replacement of a water purification cartridge.

  Further, the present invention makes it possible to reduce the height of the faucet even in a situation where the diameter of the faucet mounting portion is defined in order to make the mounting of the faucet with the water purification cartridge common. The present invention provides a device that can ensure the desired purification capacity.

  Further, according to the present invention, the water faucet with the water purification cartridge is not a built-in structure of a manual on-off valve, but as a solenoid valve system that opens and closes the water supply path by a switch, the faucet is miniaturized and has excellent operability. It can be used as a water supply device.

  According to a first aspect of the present invention, a faucet is attached to the faucet attachment portion so as to protrude upward, and a water purification cartridge is accommodated in the faucet body of the faucet so as to penetrate the wall of the faucet attachment portion. The water purification cartridge is characterized in that it is held by the faucet body so as to be detachable from above the wall of the faucet mounting portion.

  2nd invention is equipped with the water purification cartridge accommodating part which accommodates a vertically long water purification cartridge vertically long, The water inlet part is provided in the lower part of this water purification cartridge accommodating part, The outlet part of the water which passed the said water purification cartridge is provided. A faucet body provided at an upper portion of the water purification cartridge storage section, and a water discharge member attached to the water faucet body for discharging water from the outlet section from a water discharge port, wherein the water purification cartridge stores activated carbon. A small-diameter lower portion and a large-diameter upper portion containing a hollow fiber membrane are formed above the small-diameter lower portion, and the water purification cartridge storage portion stores a small-diameter storage portion for storing the small-diameter lower portion of the water purification cartridge and a large-diameter upper portion of the water purification cartridge. The faucet body is formed by a step portion between the small diameter storage portion and the large diameter storage portion that appears on the outer surface of the water purification cartridge storage portion. Characterized in that the attachable to the locking state to the mounting hole periphery upper surface of the mounting portion.

  In the first invention, the faucet is attached to the upper wall or the like of the sink so as to protrude upward. In this case, the lower part of the water purification cartridge housed in the faucet body is the upper wall of the sink that is the faucet installation surface. The height at which the faucet body containing the water purification cartridge protrudes above the faucet installation surface is lowered, and an installation state that does not get in the way can be achieved. And since it is such attachment, it is not necessary to reduce the length of a water purification cartridge, and the water purification cartridge of the length which can maintain a purification capability fully can be employ | adopted. Furthermore, since the water purification cartridge is detachable from above the faucet body, the water purification cartridge can be easily replaced. Moreover, even if it sees entirely, the protrusion height above the faucet installation surface will become low, and it will be suitable for a compact design. In addition, in order to standardize the faucet installation, the height of the faucet can be reduced even when the mounting hole diameter of the faucet mounting part is specified, and the desired purification capacity can be secured by the water purification cartridge. It becomes a device that can.

  In the second invention, in addition to the effect of the first invention, the water purification cartridge has a form in which a small-diameter lower part in which activated carbon is accommodated and a large-diameter upper part in which a hollow fiber membrane is accommodated above the activated carbon. The length of the packed portion can be taken sufficiently, and the adsorption effect of the substance causing the residual chlorine and odor in this portion can be sufficiently exhibited. In addition, since the diameter of the portion filled with the hollow fiber membrane can be made larger than that of the lower portion where the activated carbon is accommodated, a sufficient purification region can be obtained by suppressing the height of the purification region by the hollow fiber membrane. A sufficient purification action can be obtained by a method such as housing the hollow fiber membrane in a U-shape, and the effect of removing fine dirt by the hollow fiber membrane can be sufficiently exhibited. For this reason, even in the situation where the mounting hole diameter of the faucet mounting part is prescribed in order to make the faucet mounting common, the mounting using the stepped part appearing on the outer surface of the water purification cartridge storage part makes it easy to mount and stable. In addition to being able to obtain attachment, the height of the faucet can be reduced, and the desired purification capacity by the water purification cartridge can be secured.

  According to the present invention, a faucet is attached to the faucet attachment portion so as to protrude upward, and a water purification cartridge is accommodated in the faucet body of the faucet so as to penetrate the faucet attachment portion. The faucet body is detachably held from above the faucet mounting portion.

  As one of the specific configurations, the faucet body includes a water purification cartridge storage portion that stores a vertically-long water purification cartridge in a vertically long shape, and a water inlet is provided at a lower portion of the water purification cartridge storage portion. An outlet portion of the water that has passed through the cartridge is provided in the upper portion of the water purification cartridge storage portion, and a water discharging member that discharges water from the outlet portion from a water outlet is attached to the faucet body, and the water purification cartridge is A small-diameter lower part in which activated carbon is stored and a large-diameter upper part in which a hollow fiber membrane is stored above are formed, and the water purification cartridge storage part includes a small-diameter storage part for storing the small-diameter lower part of the water purification cartridge, and the water purification cartridge A large-diameter storage portion that stores the large-diameter upper portion, and a step portion between the small-diameter storage portion and the large-diameter storage portion that appears on the outer surface of the water purification cartridge storage portion. , The faucet body to the mounting hole periphery upper surface of the faucet mounting portion is obtained by a attachable to the locking state. Embodiments of the present invention are specifically described below.

  Next, an embodiment of the present invention will be described. Each figure shows an embodiment of the present invention, FIG. 1 is a front view illustrating a state in which a water supply apparatus according to the present invention is installed on a sink, and FIG. 2 is a state in which a faucet according to the present invention is installed on a sink. FIG. 3 is a side view for explaining the state in which the faucet according to the present invention is installed on the sink, FIG. 4 is a longitudinal side view for explaining the state in which the faucet according to the present invention is installed in the sink, and FIG. FIG. 6 is a plan view illustrating a water faucet according to the present invention, and FIG. 6 is a perspective view of a wiring groove portion of a lead wire.

  In the present invention, when a faucet 1 that incorporates a water purification cartridge 7 and takes out the purified water that has passed through the water purification cartridge 7 is attached to a faucet attachment 2 such as a kitchen shelf, a cooking table, or a sink, the faucet is attached. Provided is a water supply device that has a low protruding height from the portion 2 and that allows easy replacement of the water purification cartridge 7. In addition, the present invention does not have a structure in which a manual on-off valve is incorporated in the faucet 1, but as a solenoid valve 4 system that opens and closes the water supply path 3 by a switch, the faucet 1 is downsized and has excellent operability. Water supply device. Hereinafter, one embodiment in which the water supply device of the present invention is applied to the sink 5 will be described with reference to the drawings.

  In the water supply apparatus of the present invention, the faucet 1 is attached to the upper wall 6 (also referred to as a top plate) 6 of the sink 5 that is the faucet attachment portion 2 so as to protrude upward. The faucet 1 includes a faucet body 11 having a built-in water purification cartridge 7 and a water discharge member 10 that is attached to the faucet body 11 and discharges purified water that has passed through the water purification cartridge 7 from a water outlet 21. The water faucet body 11 accommodates a water purification cartridge 7 in a state of passing through the wall of the faucet mounting portion 2, that is, the upper wall 6 of the sink 5, and the water purification cartridge 7 is detachable from above the upper wall 6. 11 is held. Further, an electromagnetic valve 4 for opening and closing the water supply water supply path 3 supplied to the water purification cartridge 7 is provided, and a control operation unit 25 of the electromagnetic valve 4 is provided at an appropriate position of the faucet 1.

  This will be described in further detail. The sink 5 forms a sink 15 integrally with an upper wall (or a top plate) 6 by pressing a flat plate made of stainless steel or the like. The sink 15 is formed with a drain port 15A on the back side. The sink 15 has left and right portions of the drain port 15A projecting toward the front side, and the upper wall 6 in the vicinity of the sink 15 formed by this projecting is provided with a mounting hole 12 for the faucet 1 and a raw water faucet 35 to be described later. A mounting hole 34 is formed. The faucet body 11 is fixed to the upper wall 6 by a mounting nut 13 through the mounting hole 12 by using the mounting hole 12. The faucet body 11 includes a cylindrical water purification cartridge storage unit 16 that stores a vertically long cylindrical water purification cartridge 7 vertically, and a water inlet 17 is provided at a lower portion of the water purification cartridge storage unit 16. An outlet portion 18 of water that has passed through the cartridge 7 is formed in the upper portion of the water purification cartridge storage portion 16 in the circumferential direction.

  As a water purification cartridge, a cartridge in which raw water passes through a portion in which granular activated carbon is accommodated and then purified through a portion in which a hollow fiber membrane is accommodated is known, and there are various structures. The water purification cartridge 7 of the present invention also has a structure in which raw water, which is tap water, passes through granular activated carbon and is then purified through a hollow fiber membrane. The specific structure of the water purification cartridge 7 will be described. The water purification cartridge 7 has a cylindrical small-diameter lower portion 7A having a small diameter in which granular activated carbon is accommodated and a cylindrical large-diameter upper portion 7B in which a hollow fiber membrane is accommodated above is formed of a synthetic resin. The upper end portion of the small-diameter lower portion 7A and the lower end portion of the cylindrical large-diameter upper portion 7B are detachably coupled by screw coupling. The water purification cartridge 7 has a water inlet 27 at its lower end surface, and water at substantially equal intervals (four locations in the embodiment) so as to correspond to the water outlet portion 18 of the water purification cartridge storage 16 at the upper periphery. The outlet 28 is formed. In addition, filters 8 and 9 are accommodated in the upper and lower portions of the small-diameter lower portion 7A in order to prevent water from flowing down but prevent the activated carbon from moving to the hollow fiber membrane side. The hollow fiber membrane is in a state in which a large number of hollow fiber membranes are accommodated in a U shape within the large-diameter upper portion 7B.

  In accordance with the shape of the water purification cartridge 7, the water purification cartridge storage portion 16 includes a small diameter storage portion 16 </ b> A for storing the small diameter lower portion 7 </ b> A of the water purification cartridge 7 and a large diameter storage portion 16 </ b> B for storing the large diameter upper portion 7 </ b> B of the water purification cartridge 7. Forming. For this reason, a circular stepped portion 11C appears on the outer surface of the faucet body 11 corresponding to the water purification cartridge storage portion 16 due to the difference in diameter between the small diameter storage portion 16A and the large diameter storage portion 16B. A circular elastic packing 19 is attached to the step portion 11C. In order to reinforce the faucet attachment part 2, a reinforcing member 22 is attached to the peripheral part of the attachment hole 12 on the lower surface of the upper wall 6 of the sink 5 by means such as adhesion.

  In order to attach the faucet body 11, the pipe 3 </ b> A constituting the water supply path 3 is not connected to the water inlet portion 17 at the lower part of the water purification cartridge housing portion 16. In this state, the small diameter storage portion 16A of the water purification cartridge storage portion 16 is set from above so as to pass through the mounting hole 12 of the upper wall 6 of the sink 5, and the packing 19 contacts the upper surface of the upper wall 6 of the sink 5. In this state, the mounting nut 13 is screwed into the screw portion 23 formed on the outer peripheral surface of the small diameter storage portion 16A from below the upper wall 6. By tightening the mounting nut 13, the stepped portion 11 </ b> C comes into contact with the upper wall 6 of the sink 5 while the packing 19 is compressed, and the faucet body 11 is fixed to the upper wall 6. In this way, the step portion 11C is locked to the upper surface of the peripheral edge of the mounting hole 12, and thus can be referred to as a locking portion.

  The mounting hole 12 in the upper wall 6 of the sink 5 is formed at a position corresponding to the space 50 formed between the rear side of the sink 15 and the back plate 5A of the sink 5, and the faucet 1 as described above. The water purification cartridge 7 is held in a state of penetrating the upper wall 6 of the sink 5 that is the faucet attachment portion 2 and entering the space 50 by the attachment of the water purifier. For this reason, the small-diameter lower portion 7A that is the activated carbon storage portion mainly enters the space 50 below the faucet mounting portion 2, and the large-diameter upper portion 7B that is the hollow fiber membrane storage portion is separated from the upper wall 6 of the sink 5. It is held in a state of protruding upward.

  After the water faucet 1 is attached as described above, the water supply pipe 3 </ b> A constituting the water supply passage 3 is connected to the water inlet portion 17 below the water purification cartridge storage portion 16 by the attachment nut 31. The other end of the water supply pipe 3 </ b> A is connected to the outlet side of the electromagnetic valve 4. The inlet side of the solenoid valve 4 is connected to the outlet side of the stop cock 40 connected to the supply pipe for city water. The stop cock 40 can be controlled to the supply state and the stop state of tap water by the rotation of a knob 41 that can be rotated by hand. The outlet side of the stop cock 40 is branched by a branch pipe 42 into an inlet side pipe 36 </ b> A of the electromagnetic valve 4 and a water supply pipe 36 on the raw water tap 35 attached to the upper wall 6. The solenoid valve 4 may be a flow rate adjustable solenoid valve 4 that can adjust the flow rate by operating a coma valve with a screwdriver (driver) or the like.

  The water faucet 1 has a water discharge member 10 attached to the faucet body 11 so as to be turnable to the left and right by a nut member 26. The raw water supplied from the water supply channel 3 enters the water purification cartridge storage 16 from the water inlet 17 at the bottom of the water purification cartridge storage 16, and the raw water enters the water purification cartridge 7 from the water inlet 27 of the water purification cartridge 7. While being passed upward through the cartridge 7, it is purified by activated carbon and a hollow fiber membrane. The purified water thus purified exits from the water outlet 28, enters the water discharge pipe portion 20 of the water discharge member 10 through the water outlet portion 18 of the water purification cartridge storage portion 16, and discharges water from the water outlet 21.

  The water discharge member 10 is arranged in a cover 24 in which a discharge pipe portion 20 that guides purified water is made of a synthetic resin or a metal such as stainless steel and formed into a flat pipe shape. The cover 24 is for improving the appearance design of the water discharge pipe portion of the faucet 1, but the discharge pipe portion 20 may simply form the water discharge member 10.

  In the present invention, the control operation unit 25 of the electromagnetic valve 4 that opens and closes the water supply channel 3 of the tap water supplied to the water purification cartridge 7 is provided at an appropriate position of the faucet 1. In this embodiment, the control operation unit 25 is provided on the upper surface of the distal end portion of the water discharge member 10. The control operation unit 25 includes an opening / closing operation switch 25 </ b> A of the electromagnetic valve 4, and the switch 25 </ b> A is housed in the cover 24 of the water discharge member 10. The upper surface of the switch 25A forms a manual operation surface covered with a flexible synthetic resin film 25D. As a result, the control operation unit 25 is positioned closer to the front side than the faucet body 11, so that the operation becomes easy.

  Further, the control operation unit 25 is provided with a display panel 25C on the lower side of the film 25D, and displays the replacement time of the water purification cartridge 7 by the display panel 25C. The display method includes a method of displaying the replacement time by date and a method of displaying the replacement time by color. In the embodiment, it is the latter method, and when a new water purification cartridge 7 is attached, the light of the blue (blue) light emitting diode (LED) of the display panel 25C can be visually observed through the film 25D, and if it is time to replace it, The display is configured such that light from a red (red) light emitting diode (LED) can be visually observed.

  In order to reduce the size of the faucet 1 and to reduce the size of the water discharge member 10, the control unit 51 connected to the solenoid valve 4, the switch 25 </ b> A and the display panel 25 </ b> C is provided at a location separated from the faucet 1. It has been. As an embodiment thereof, it is housed in a control box 51A attached to the side wall of the space of the sink 5 below the sink 15, and is waterproof. Note that the synthetic resin cover 4A for protecting the solenoid portion of the solenoid valve 4 may have a large cover configuration as shown in FIG. 1 so that the control portion 51 is accommodated in the cover 4A.

  The switch 25A, the display panel 25C, and the control unit 51 are connected via lead wires 52 and 52A, and the solenoid valve 4 and the control unit 51 are connected via a lead wire 52B. The lead wire 52 wired in the cover 24 is a flexible printed circuit having a structure in which an electric circuit is printed on the surface of a flexible synthetic resin belt-like sheet. The flexible printed circuit 52 extending from the control operation unit 25 is a pipe. Along the portion 20, it extends from the cover 24 to the space 11 </ b> B in the faucet body 11 protruding above the upper wall 6. The flexible printed circuit 52 is connected to a lead wire 52A made of silicon rubber or the like in the space 11B. The lead wire 52A extends from the stepped portion 11C to the portion of the screw portion 23 formed on the outer peripheral surface of the small diameter storage portion 16A. By passing through the groove 53 formed in the vertical direction, it extends from the mounting hole 12 to the space 50 along the outer surface of the water purification cartridge storage portion 16A without being in the way of tightening the mounting nut 13, and is connected to the control portion 51. Yes.

  For this reason, since the passage space of the lead wire 52 in the water discharging member 10 and the faucet body 11 may be narrow, the diameter of the mounting hole 12 of the faucet mounting portion 2 is made common to the mounting of the faucet 1. Even in a prescribed situation, wiring through the mounting hole 12 is possible without significantly reducing the outer diameter of the water purification cartridge housing 16, and the faucet 1 does not deteriorate the purification capacity of the water purification cartridge 7. Therefore, the water purification cartridge 7 can secure the desired purification capacity.

  The power source of the solenoid valve 4, the switch 25A, the display panel 25C, and the control unit 51 is not a dry battery but a commercial power source. In the embodiment, 100 V of the commercial power source is connected to the power source unit provided in the control unit 51. It is configured to be supplied and converted to a necessary control voltage in the power supply unit. For this reason, the control operation unit 25 including the switch 25A is supplied with a DC low voltage that is not dangerous to the human body. As described above, since the dry battery is not configured to be housed in the faucet body 11 or the water discharge member 10, the water faucet 1 is suitable for downsizing, and there is no problem of dry battery power outage and stable water supply operation. There will be.

  In a state where the water purification cartridge 7 is housed in the faucet 1, the switch 51 </ b> A is pushed with a finger from the upper surface of the film 25 </ b> D to operate the control unit 51 to turn on the electromagnetic valve 4 to open the water supply path 3. Enters the water purification cartridge 7 from the water supply channel 3 and is purified, and the purified water is discharged from the water outlet 21 through the pipe portion 20. When the switch 25A is pushed again with the finger from the upper surface of the film 25D, the control unit 51 is operated, the electromagnetic valve 4 is turned off, the water supply path 3 is closed, and water discharge from the water discharge port 21 is stopped. In this way, the electromagnetic valve 4 is turned ON / OFF by the push / push of the switch 25A, and the removal of purified water from the faucet 1 is controlled.

  Here, when the new water purification cartridge 7 is stored in the faucet 1, the counter unit of the control unit 51 can be reset by pressing the reset switch with a finger to turn it ON. The reset switch can be easily operated by being provided in the control operation unit 25. Based on this reset, the operation of the control unit 51 causes the blue (blue) light emitting diode of the display panel 25C to emit light, and the blue (blue) display can be visually observed through the film 25D. In this state, the electromagnetic valve 4 is turned on as described above by the push of the switch 25A that is first operated, and the counter unit of the control unit 51 starts counting, and the electromagnetic valve 4 is turned off by the push of the switch 25A again. The counter unit of the control unit 51 is configured to stop counting. By doing in this way, since the ON time of the solenoid valve 4 is integrated | accumulated, the taking-out time of purified water will be integrated | accumulated. When this integrated count value reaches a predetermined count, the blue (blue) light-emitting diode is turned off, and the red (red) light-emitting diode is turned on to emit light, whereby a red (red) display is visually observed through the film 25D. it can. This red (red) display is an indication of the replacement time of the water purification cartridge 7.

  In order to facilitate the replacement of the water purification cartridge 7, the upper end of the water purification cartridge housing portion 16 is open, and this opening is a cap formed on the outer surface with a screw portion that is screwed into a screw portion 29 formed on the inner surface of the opening. 14 can be opened and closed. A watertight seal packing 30 between the cap 14 and the water purification cartridge housing 16 is attached to the cap 14 or the faucet body 11. Further, the water purification cartridge 7 has a screw formed on the outer surface of the protruding portion 7C protruding from the upper end thereof detachably screwed with a screw formed on the inner surface of the mounting portion 14A at the center of the cap 14, so Removably attached. For this reason, with the water purification cartridge 7 attached to the cap 14, the water purification cartridge 7 is inserted into the water purification cartridge storage portion 16, and the cap 14 is inserted into the opening of the water purification cartridge storage portion 16 and screwed into the screw portion 29. As a result, the water purification cartridge 7 is mounted in the water purification cartridge storage 16. On the contrary, by rotating the cap 14, the cap 14 is detached from the water purification cartridge housing portion 16, and the water purification cartridge 7 can be removed from the water purification cartridge housing portion 16 together with the cap 14.

  In order to reduce the size of the faucet 1 so that the raw water entering the water purification cartridge housing portion 16 passes through the water purification cartridge 7 effectively, the water purification cartridge housing portion 16 is slightly larger than the outer diameter of the water purification cartridge 7. Has a large inner diameter. For the watertight seal between the water purification cartridge 7 and the cap 14, the packing 31 is attached to the annular groove on the outer surface of the water purification cartridge 7 in two upper and lower stages.

  The raw water faucet 35 is mounted in the same manner as the faucet 1. That is, the reinforcing material attached to the lower surface of the upper wall 6 is set so as to penetrate the mounting hole 34 formed in the upper wall 6 so that the stepped portion formed on the outer surface of the faucet body 37 contacts the upper wall 6. A fixing nut 39 is formed on the outer surface of the faucet body 37 through 38 and is fastened and fixed to the screw portion. The raw water supply tap 35 can supply and stop the raw water from the water discharge member 33 by opening and closing the open / close valve in the faucet body 37 by the vertical movement of the lever 32.

  As described above, the faucet 1 is attached to the upper wall 6, which is the faucet attachment portion 2, so as to protrude upward, and the water purifying cartridge 7 is inserted into the faucet body 11 of the faucet 1 so as to penetrate the upper wall 6. The water purification cartridge 7 is held by the faucet body 11 so as to be detachable from above the upper wall 6. The faucet body 11 or the water discharge member 10 is provided with a switch 25A for opening / closing operation of the electromagnetic valve 4, and the upper part of the water purification cartridge storage part 16 protrudes upward from the upper wall 6, and the lower part of the water purification cartridge storage part 16 is The water purification cartridge 7 is attached to the space 50 behind the sink 15 below the wall 6 and is detachable from the upper surface of the water purification cartridge housing 16.

  Even in a situation where the diameter of the mounting hole 12 of the faucet mounting portion 2 is defined in order to make the faucet mounting common, the upper portion 16B of the water purification cartridge storage portion 16 can be made larger in diameter than the lower portion 16A. In the water purification cartridge 7, the portion 7B filled with the hollow fiber membrane can be made larger in diameter than the small-diameter lower portion 7A in which the activated carbon is stored, so that a sufficient purification region can be obtained by suppressing the height of the purification region by the hollow fiber membrane. It becomes. For example, the portion 7B filled with the hollow fiber membrane can be sufficiently purified by a method such as storing the hollow fiber membrane in a U-shape, and the effect of removing fine dirt by the hollow fiber membrane is sufficient. It can be demonstrated. For this reason, in order to make the mounting of the faucet 1 common, the height of the faucet 1 can be reduced even in a situation where the diameter of the mounting hole 12 of the faucet mounting portion 2 is prescribed, and the water purifying cartridge 7 It becomes a device that can ensure the desired purification capacity.

  Further, the faucet 1 can be mounted effectively using the space 50 behind the sink 15, and the protruding height of the faucet 1 above the sink 5 can be kept low. Furthermore, since the water purification cartridge 7 can be replaced from the upper surface side of the sink 5, the replacement work is easy.

  And, the upper end of the water purification cartridge housing 16 is opened, and this opening can be opened and closed by the cap 14. The water purification cartridge 7 can be attached to and detached from the water purification cartridge housing 16 together with the attachment and detachment of the cap 14. It becomes easy to exchange.

  Further, the water purification cartridge 7 is formed of a synthetic resin with a cylindrical small-diameter lower portion 7A having a small diameter in which granular activated carbon is accommodated, and a cylindrical large-diameter upper portion 7B in which a hollow fiber membrane is accommodated above the small-diameter cylindrical small-diameter lower portion 7A. The shape is long in the vertical direction. If the distance between the faucet 1 and other items such as a shelf provided above the faucet 1 is small due to the installation situation of the sink equipped with the faucet 1, the water purification cartridge 7 is replaced when the long water purification cartridge 7 is replaced. There may be a case where it is difficult to perform the work of exchanging it upwards, or a case where it cannot be exchanged. In order to cope with this, as described above, the upper end portion of the cylindrical small-diameter lower portion 7A and the lower end portion of the cylindrical large-diameter upper portion 7B are detachably coupled by screw coupling. Thus, when the water purification cartridge 7 is replaced, the cylindrical large diameter portion 7B is removed from the cylindrical small diameter lower portion 7A by operating to remove the screw connection in a state where the water purification cartridge 7 is lifted. The diameter upper portion 7B and the cylindrical small diameter lower portion 7A can be taken out separately.

  Further, when the new water purification cartridge 7 is mounted, the cylindrical small diameter lower portion 7A is first inserted into the water purification cartridge storage portion 16 in a state where the screw portion is disassembled into the cylindrical small diameter lower portion 7A and the cylindrical large diameter upper portion 7B. In this state, the cylindrical large-diameter upper portion 7B is screw-coupled to the cylindrical small-diameter lower portion 7A, the water purification cartridge 7 is assembled, this is accommodated in the water purification cartridge housing portion 16, and the cap 14 is replaced.

  The configuration of Example 2 is shown in FIGS. FIG. 7 is a side view for explaining a state in which the faucet according to the present invention is installed on the sink, and FIG. 8 is a plan view for explaining the faucet according to the present invention. In these drawings, parts common to the first embodiment and parts having the same functions are denoted by the same reference numerals. In this configuration, the water discharge member 10 constitutes the discharge pipe portion 20 as it is, and the water discharge member 10 is attached to the upper surface of the cap 14 by the nut member 26 so as to be turnable in the left-right direction. Further, the control operation unit 25 is disposed on the upper surface of the protruding portion 11 </ b> A on the front surface of the faucet body 11. The lead wire 52 connected to the control operation unit 25 is a flexible printed circuit having a configuration in which an electric circuit is printed on the surface of a belt-like sheet made of a flexible synthetic resin as in the first embodiment. Similar wiring.

  Therefore, the water purification cartridge 7 has a water outlet hole 28 formed on the upper surface thereof, and the purified water that has passed through the water purification cartridge 7 passes through the cap 14 and flows into the water discharge member 10. The water purification cartridge 7 is replaced by rotating the cap 14 from the faucet body 11 and removing it. In this case, the water discharge member 10 is also removed from the faucet body 11 together with the cap 14. Other configurations and the water supply operation by the electromagnetic valve 4 are the same as those in the first embodiment.

  In FIG. 9, it is a block diagram of the water leak detection part of the water supply apparatus of this invention. In this figure, parts common to the first embodiment and parts having the same functions are denoted by the same reference numerals. In this configuration, the electromagnetic valve 4 is disposed directly below the water purification cartridge storage 16 so that the electromagnetic valve 4 is positioned directly below the attachment portion of the faucet 1. For this reason, the water supply pipe 3 </ b> A on the outlet side of the electromagnetic valve 4 extends right above the electromagnetic valve 4, and is connected to the water inlet portion 17 below the water purification cartridge storage portion 16 by the mounting nut 31. A synthetic resin water collection container 60 having an upper surface opening 60A is attached to the inlet side pipe 36A of the electromagnetic valve 4 so as to surround the electromagnetic valve 4, and the upper surface opening 60A of the water collection container 60 extends right above the electromagnetic valve 4. It is the structure which receives the water leak and adhering water which flow down from 3 A of water supply pipes, and the water purification cartridge accommodating part 16 of the upper direction.

  For this reason, the water collection container 60 can receive water leakage and adhering water from the faucet 1 and the electromagnetic valve 4. The water collection container 60 is integrally provided with a water reservoir 61 at the bottom, and a water collection detector 62 is disposed in the water reservoir 61. The water collection detection unit 62 includes two electrodes 62A, and the electrode 62A is connected to a control circuit unit 63 disposed on one side of the water collection container 60. The control circuit unit 63 is housed in a waterproof cover 64 attached to one side of the water collection container 60. When the water level of the water reservoir 61 rises and the two electrodes 62A are short-circuited by this water, a display unit such as an LED is turned on or blinks, or a buzzer is sounded to notify that there is water leakage. it can.

  In this case, the display section such as the LED for the water leakage display may also be used for the LED of the display panel 25C to blink. Further, the control circuit unit 63 may be configured to operate independently and perform the water leakage detection operation and the water leakage notification operation described above, but the control circuit unit 63 configures a water level detection circuit connected to the two electrodes 62A, A configuration in which a display unit such as an LED or a buzzer is operated may be connected to the control unit 51.

  The present invention can attach a faucet to a faucet attachment part such as a kitchen shelf part or a kitchen table or a sink, and the configuration of the faucet and other parts is not limited to the above embodiment. Various modifications can be considered without departing from the technical scope of the present invention, and various embodiments according to the modifications are included.

It is a front view explaining the state which installed the water supply apparatus which concerns on this invention in the sink. Example 1 It is a top view explaining the state which installed the water faucet concerning the present invention in the sink. Example 1 It is a side view explaining the state which installed the faucet concerning this invention in the sink. Example 1 It is a vertical side view explaining the state which installed the water faucet concerning the present invention in the sink. Example 1 It is a top view explaining the faucet concerning the present invention. Example 1 It is a perspective view of the groove part for wiring of a lead wire. Example 1 It is a side view explaining the state which installed the faucet concerning this invention in the sink. (Example 2) It is a top view explaining the faucet concerning the present invention. (Example 2) It is a block diagram of the water leak detection part of the faucet which concerns on this invention. Example 3

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Water faucet 2 ... Water faucet attachment part 3 ... Water supply path 3A ... Water feed pipe 4 ... Solenoid valve 5 ... Sink 6 ... Upper wall of a sink 7 ... Water purification cartridge 7A ··· Activated carbon storage portion of water purification cartridge 7B · · Hollow fiber membrane storage portion of water purification cartridge 10 · · Discharge member 11 · · Faucet body 11C · · Stepped portion 12 · · Faucet mounting hole 13 · · Mounting nut 14 · ·・ Cap 15 ・ ・ Sink 16 ・ ・ Water purification cartridge storage part 16A ・ ・ Small diameter storage part 16B ・ ・ Large diameter storage part 17 ・ ・ Water inlet part 18 ・ ・ Water outlet part 20 ・ ・ Discharge pipe part 21 ・ ・ Discharge Water outlet 24 .. Cover 25 .. Control operation section 25 A .. Switch 25 C .. Display panel 27 .. Water inlet of water purification cartridge 28 .. Water outlet of water purification cartridge 35 .. Water tap for raw water 50 .. Space 5 · Control unit 60 ... water collecting container 61 ... water collecting container 62 ... water collecting detection unit 62A ... electrode 63 ... control circuit unit

Claims (2)

  A faucet is attached to the faucet mounting portion so as to protrude upward, and a water purifying cartridge is housed in the faucet body of the faucet so as to pass through a wall of the faucet mounting portion. A water supply apparatus, wherein the water faucet body is detachably held from above the wall of the attachment portion.   A water purification cartridge storage section for storing a vertically long water purification cartridge vertically is provided, a water inlet section is provided at a lower portion of the water purification cartridge storage section, and an outlet section of the water that has passed through the water purification cartridge is disposed in the water purification cartridge storage section. A faucet body provided at the upper part, and a water discharging member attached to the faucet body for discharging water from the outlet from a water outlet, and the water purification cartridge has a small diameter lower part in which activated carbon is stored and above Forming a large-diameter upper portion in which a hollow fiber membrane is accommodated, and the water purification cartridge housing portion includes a small-diameter housing portion for housing a small-diameter lower portion of the water purification cartridge, and a large-diameter housing portion for housing a large-diameter upper portion of the water purification cartridge; The faucet body is attached to the faucet mounting portion by a step portion between the small diameter storage portion and the large diameter storage portion that appears on the outer surface of the water purification cartridge storage portion. Water supply device being characterized in that the attachable to the locking state only hole peripheral top surface.

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