JP2750643B2 - Hot water mixing faucet with water purifier - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a case where a water tap is provided with a water purifier.

[0002]

2. Description of the Related Art FIG. 9 shows a conventional structure in which a hot-water mixing faucet is provided with a water purifier. In this structure, a water purifier 2 is retrofitted to a tip of a water discharge pipe 1a of a hot and cold water mixing faucet 1. The water purifier 2 includes a main body 3 having a built-in switching valve 4 and opening a water discharge port 5, and an exchangeable cartridge 6 filled with a filtering material such as activated carbon. By the operation, it is possible to switch the water discharge between the purified water that has passed through the cartridge 6 and the tap water that has not passed through the cartridge 6.

[0003]

However, the conventional structure has a large water purifier 2 at the end of the water discharge pipe 1a, which hinders the operation of the hot and cold water mixing faucet 1 and the work of the sink, and also has a good appearance. There was no problem.

[0004] The present invention provides a hot water mixing faucet with a water purifier capable of discharging purified water or tap water from a spout port of a hot water mixing faucet body in order to improve the usability and appearance and to solve the above problems. For the purpose of providing.

[0005]

Means adopted by the present invention is a hot water mixing faucet to which a water purifier is detachably attached.
The hot and cold water mixing faucet body is
With the water purifier and the operating valve for mixing hot and cold water separated from each other.
Attach, install a water discharge pipe between the water purifier and the hot and cold water mixing operation valve
The inside of the water purifier communicates the outflow side of the water purifier with the spout of the hot and cold water mixing faucet body, and communicates with the inflow side of the water purifier.
It is a hot-water mixing faucet with a water purifier, wherein an i-pass passage is formed .

[0006]

[Function] Since the water purifier is attached to the hot and cold water mixing faucet main body, there is no need to connect to the water discharge pipe. Purified water obtained by passing through the water purifier is guided by a bypass passage and discharged from a discharge port. A water purifier and hot and cold water on the left and right sides of the main body
Install with the mixing operation valve separated and
Because a water discharge pipe is installed in the
The operation of the operation valve can be easily performed. Inside the hot and cold mixing faucet body
A bypass passage communicating with the outflow / inflow side of the water purifier
The bypass passage is not visible.

[0007]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of a water mixing water faucet with a water purifier according to the present invention.

(First Embodiment) FIGS. 1 to 4 show a first embodiment of a mixing faucet according to the present invention. The present invention water mixing 10 of this embodiment, positive Figure 1
As shown in the plan, it was attached to the counter 9 of the sink .
A horizontally-long hot-water mixing faucet body 11 extending left and right, a water purifier 12 removably attached to the left side, which is one side of the hot-water mixing faucet body 11, and the other side of the hot-water mixing faucet body 11
A hot water mixing operation valve 17 mounted on the right side and a bypass passage 13 formed inside the hot water mixing faucet main body 11 are provided.

The hot / water mixing faucet main body 11 has a hot / water mixing operation valve 17 which connects a water supply path 15 and a hot water supply path 16 formed of pipes, and is built in a main body case 23. The operation valve 17 for mixing hot and cold water is a desk type in which a fixed plate 18 and a movable plate 19 are overlapped with each other in a watertight manner. As the movable plate 19 is moved by operating the operation handle 20, the mixing ratio of water and hot water is reduced. It adjusts the amount of water discharged and the amount of mixed hot water and the amount of outflow of purified water.

As shown in FIGS. 2 and 4, the fixed plate 18 has four openings on the surface where the movable plate 19 overlaps. These openings are provided with a mixed hot water outlet 18a communicating with the water discharge pipe 21 and a water inlet 18b communicating with the water supply passage 15.
And a hot water inlet 18c communicating with the hot water supply passage 16 and a water purification outlet 18d communicating with the bypass passage 13.

The movable plate 19 is provided with two concave portions on a surface overlapping with the fixed plate 18. These recesses
A hot water recess 19a for adjusting the mixing ratio of water and hot water flowing out from the mixed hot water outlet 18a of the fixed plate 18 and for adjusting the outflow amount of the mixed hot water, and the water purifying outlet 18 of the fixed plate 18
d for water purification for adjusting the flow rate of water flowing out of
9b.

As shown in FIG. 4, when the operating handle 20 is swung back and forth within the swing range A, the movable plate 19 moves from the fully opened position to the discharged position. When the operation handle 20 is rotated left and right within the rotation range C within the swing range A, the movable plate 1 is moved.
9 moves from the position for discharging only water to the position for discharging only hot water via the mixing position. Also, an operating valve 1 for mixing hot and cold water
7, when the operation handle 20 is swung up and down within the swing range B, the movable plate 19 moves from the water stop position to the purified water position, and is further operated at the lower position B-1 of the swing range B. When the handle 20 is rotated left and right within the rotation range D, the movable plate 19 moves between a position where the purified water is fully closed and a position where the purified water is fully opened.

As shown in FIG. 1, the hot / water mixing faucet main body 11 has a mixing hot / water outlet port 18a of a hot / water mixing operation valve 17 and a water discharge pipe 21 which can swing freely connected through a mixing / outflow passage 22.

The bypass passage 13 is formed in the hot and cold water mixing faucet body 11 so as to connect the mixing and outflow passage 22 of the hot and cold water mixing faucet body 11 to the water purification outlet 18d of the hot and cold water mixing operation valve 17. Have been. In the bypass passage 13, the water purifier 12 is connected in the middle thereof, and a check valve 24 is detachably provided downstream of the water purifier 12.

The water purifier 12 comprises a hot and cold water mixing faucet main body 11.
It is detachably attached to. The water purifier 12 incorporates a filtering material made of activated carbon, a hollow fiber membrane, or the like, and filters tap water supplied from the water purification outlet 18 d of the hot / water mixing operation valve 17 through the bypass passage 13. It purifies during material passage.

Next, the operation of the mixing faucet 10 of the present invention will be described. When used as a normal hot and cold mixing faucet, as shown in FIG. 4, the operation handle 20 is used by swinging it back and forth in a swing range A and by turning it right and left in a swing range C. Adjustment of the mixing ratio of water and hot water and adjustment of the amount of spouted hot water are performed depending on the position of the operation handle 20.

When discharging purified water, the operation handle 20 is set to the water stop position at the water stop position, and the movable plate 19 of the operation valve 17 for mixing hot and cold water is moved to the position A in the figure. The movable plate 19 is moved to a position B in the drawing by moving to a position B-1 below B. In this state, the movable plate 19 does not communicate the water inlet 18b of the fixed plate 18 with the water outlet 18d for water purification, and is in a state of completely closed water purification. Subsequently, in particular to the left turning in the turning range D the operating handle 20 in the lower position B-1 of the oscillation range B
When the movable plate 19 is further moved from the position of the water purification fully closed position to the position C of the water purification fully open, the water purifying concave portion 19b of the movable plate 19 becomes
The water inflow port 18b of the fixing plate 18 is communicated with the water purification outflow port 18d, and the water flows out from the water outflow port 18d.

The water that has flowed out of the water outlet 18d becomes purified water from which turbidity, chalk, germs and the like have been removed while being guided through the bypass passage 13 shown in FIGS. 1 and 2 and passing through the water purifier 12 . It passes through the ejection water tube 21 to the water discharge from the water discharge port 21a and.

(Second Embodiment) FIGS. 5 and 6 show a second embodiment of the mixing faucet of the present invention. The mixing faucet 30 of the present embodiment is the same as the mixing faucet 10 of the first embodiment.
The difference from (see FIGS. 1 and 2) is that the operation of discharging the purified water is performed by the second operation handle 40.

The operation valve 37 for mixing hot and cold water contained in the main body case 43 is of a desk type in which a fixed plate 38 and a movable plate 39 are overlapped with each other in a watertight manner, and the movable plate 39 is moved by operating the operation handle 20. Accordingly, adjustment of the mixing ratio of water and hot water and adjustment of the water discharge amount of the mixed hot water are performed. The operating valve 37 for mixing hot and cold water is the operating valve 1 for mixing hot and cold water shown in FIG.
7 from the fixed plate 18 and the movable plate 19
And the water purifying concave portion 19b is removed, and the valve structure is substantially the same as the valve structure in which the operation handle 20 can be operated within the swing range A and the rotation range C.

The hot water mixing faucet body 31 has a mixed hot water outlet 38a of the hot water mixing operating valve 37 and the water discharge pipe 2 inside.
1 and a bypass passage 33 connecting the mixed outflow channel 42 and the water supply channel 15 is formed.

In the bypass passage 33, the water purifier 12 is connected in the middle thereof, a two-way control valve 34 is disposed upstream of the water purifier, and the check valve 24 is disposed downstream of the water purifier 12. Has been established. The two-system control valve 34 is opened and closed by an operation handle 40 for water purification. And
The operation handle 40 for water purification is provided with a lock device 45 so that it can be rotated only when the operation handle 20 for mixing hot and cold water is at a water stop position (a position indicated by a solid line in FIG. 6).

The lock device 45 includes an operation cable 46.
And a pinion gear 48 fixed to the rotary valve stem 47 of the two-system control valve 34 and a rack gear 49 meshing with the pinion gear 48. The operation cable 46 has an outer cable 46a joined to the main body case 43,
One end 46b-1 of the inner cable 46b is made to face the rear edge 20a of the cap of the operation handle 20, and the other end 46b-2 is fixed to the rack gear 49.

The lock device 45 is provided with the operation handle 20.
Is located at the water discharging position (see the position indicated by the two-dot chain line in FIG. 6), one end 46b-1 of the inner cable 46b.
Is pressed by the rear side edge 20a of the operation handle 20 and retreats to the water-stopping position, and the rack gear 49 is pressed by the inner cable 46b to restrain the pinion gear 48 together with the valve rod 47 in the water-stopping state. Conversely, operation handle 2
When 0 is at the water stop position (see the position indicated by the solid line in FIG. 6), the above-described restraint is released because the one end 46b-1 of the inner cable 46b can be freely retreated to the purified water discharge position, and the water purification operation handle 40 is moved. It can be rotated to the clean water spouting position.

Next, the operation of the mixing faucet 30 of the present invention will be described. When the two-way control valve 34 is in the closed state, the hot and cold mixing faucet body 31 can be used as a normal hot and cold mixing faucet.
When discharging purified water, after moving the operation handle 20 to the water stop position, the two-way control valve 34 is opened,
Tap water is supplied to the water purifier 12. The tap water that has passed through the water purifier 12 becomes purified water from which turbidity, chalky, germs, etc. have been removed, passes through the mixing outflow channel 42 and the water discharge pipe 21, and is discharged from the water discharge port 2.
Water is discharged from 1a.

(Third Embodiment) FIGS. 7 and 8 show a third embodiment of the mixing faucet of the present invention. The mixing faucet 50 of the present embodiment is the same as the mixing faucet 30 of the second embodiment.
(Refer to FIG. 5 and FIG. 6).
The third and third method control valve 54 and the lock device 55 are used, and the switching operation between the clean water discharge and the hot and cold water discharge is performed by the switching handle 60.

The bypass passage 53 is provided with an operating valve 3 for mixing hot and cold water.
No. 7 is formed so as to connect the mixed hot water outlet 38a and the water outlet 21a. The bypass passage 53 is provided with two ports 54 of the three-way control valve 54 in order from the upstream side to the downstream side.
a, 54b, the water purifier 12, and the check valve 24 are connected in series. The downstream side 53a of the bypass passage 53 is connected to another port 54c of the three-way control valve 54. Water purifier 12
Is detachably attached to the hot and cold water mixing faucet main body 51 so that the internal filtering material can be replaced.

When the switching handle 60 is attached to the operation rod 57 of the three-system control valve 54 and the two ports 54a and 54b are communicated by rotating the switching handle 60, tap water is supplied to the water purifier 12. The purified water is discharged from the discharge port 21a. Further, when the three-system control valve 54 communicates with the ports 54 a and 54 c by rotating the switching handle 60, the hot water supplied from the operation valve 37 is discharged from the discharge port 21.
Discharge from a.

The lock device 55 is, as shown in FIG.
An outer cable 56a is fixed to the main body case 43 and the like, and one end 56b-1 of an inner cable 56b is joined to the back side of the operation handle 20 to form an inner cable. The other end 56b-2 of the cable 56b is slidably fitted into the semicircular long hole 58a of the disk 58. The lock device 55 can rotate the switching handle 60 from the (hot water discharge) position to the (clean water discharge) position when the operation handle 20 is at the (water) position, as indicated by a solid line in the drawing. vice versa,
The lock device 55 locks the switching handle 60 to the (hot or cold) position when the operation handle 20 is at the (hot) position, as indicated by the two-dot chain line in the drawing.

The reason why the lock device 55 is provided so that the purified water can be discharged only when the operation hand 20 is at the position of (water) is that the water purifier 12 has a high temperature (for example, 3).
This is because mixed hot water (5 ° C. or more) cannot be generally filtered. However, if the water purifier 12 can filter the mixed hot water at a high temperature, the lock device 55 need not be provided.

[0031]

As described above, the mixing faucet of the present invention is
It has the following excellent effects. The present invention water mixing, in a state in which release the water purifier from the water discharge pipe, it is possible to discharge the purified water or tap water from the water discharge port of the mixing valve body, contracture also added with the water purification function
Good usability Razz mixing valve body, also look <br/> have good. The mixing faucet of the present invention has a horizontally elongated hot and cold mixing faucet main body.
The water purifier and hot water mixing operation valve are installed separately
And a spout pipe is installed between them.
Easy replacement and operation of the hot and cold water mixing operation valve
Good and good looking. The mixing faucet of the present invention has a clean water faucet inside the main body.
A bypass passage communicating with the outflow / inflow side of the water dispenser is formed.
Because of this, the bypass passage is clear and unobtrusive
It looks good and looks good.

[Brief description of the drawings]

FIG. 1 is a front view showing a first embodiment of a mixing faucet of the present invention in a partially sectional view and with a part of a water discharge pipe omitted.

FIG. 2 is a skeleton diagram schematically showing a first embodiment of the mixing faucet of the present invention.

FIG. 3 is a perspective view showing the appearance of a first embodiment of the mixing faucet of the present invention.

FIG. 4 is an explanatory diagram showing a positional relationship between a fixed plate and a movable plate of the operation valve for mixing hot and cold water in the first embodiment.

FIG. 5 is a skeleton diagram schematically showing a second embodiment of the mixing faucet of the present invention.

FIG. 6 is a side view showing a lock device according to a second embodiment.

FIG. 7 is a skeleton diagram schematically showing a third embodiment of the mixing faucet of the present invention.

FIG. 8 is a plan view of the lock device according to the third embodiment, which is developed in a plan view.

FIG. 9 is a perspective view showing the appearance of a conventional hot and cold water tap with a water purifier.

[Explanation of symbols]

11 (31, 51) hot water mixing faucet body 12 water purifier 13 (33 , 53 ) bypass passage 17 (37) hot water mixing operating valve 21 water spout 21a water spout

Claims (1)

(57) [Claims] 1. A hot and cold water mixing faucet to which a water purifier is detachably attached.
, The hot and cold mixing faucet body is shaped horizontally
The water purifier and the hot and cold water mixing operation valve are separated left and right
And install a water discharge pipe between the water purifier and the operation valve for mixing hot and cold water.
Attach and connect the outflow side of the water purifier and the water outlet of the hot and cold water mixing faucet body to the inside, and also communicate with the inflow side of the water purifier
A hot / water mixing faucet with a water purifier, wherein a bypass passage is formed .