JPS5838199Y2 - hot water mixing faucet - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a hot water mixing faucet used in a hot water supply facility that uses a solar heater and a boiler (such as an electric water heater or a gas water heater) in combination.

Conventionally, there is a hot/cold water mixing faucet of this type as shown in FIG. 4 and described in Japanese Utility Model Application Publication No. 56-103165.

In the system shown in FIG. 4, the water pumping room 51 and the landing room 52 are installed adjacent to each other, so the hot water in the landing room 52 is cooled by the water in the water pumping room 51, and the hot water temperature decreases. However, there was a drawback that hot water obtained from solar heaters could not be used effectively.

The purpose of this invention is to solve the above-mentioned drawbacks and to prevent the hot water supplied from the solar heater from being cooled by the water in the water supply room or water pumping room.

The basic structure of this idea is that by partitioning the inside of the valve box with partition walls, a water supply room leading to the water pipes, a pumping room leading to the water supply pipes of the solar heater, a hot water supply room leading to the boiler, and a cooling room leading to the cooling pipes of the solar heater. A playing room, the water supply room, a hot water supply room, and a mixing room leading to the drop-off room are each provided on the same plane, and the drop-off room is provided so as not to be adjacent to either the water pumping room or the water supply room, and the water supply room and the water pumping room are The water supply chamber and the mixing chamber are communicated with each other through a water outlet, and the water supply chamber and the mixing chamber are communicated with each other through a water outlet, and the water supply chamber and the mixing chamber are opened and closed using a water outlet valve. The first hot water outlet is connected to the hot water outlet, and the hot water outlet is opened and closed by a first hot water outlet valve, and the exit chamber and the mixing chamber are communicated to each other by a second hot water outlet, and the hot water outlet is opened and closed by a second hot water outlet valve. .

Water is supplied to the solar heater by operating the pumping valve, water is discharged by operating the water outlet valve, hot water from the boiler is discharged by operating the first hot water valve, and hot water from the solar heater is discharged by operating the first hot water outlet valve. This is done by operating the second hot water tap.

The temperature of hot water supplied from the solar heater is 30-50℃
Since the height is not very high at the front and back, the landing room filled with hot water is not adjacent to either the water supply room or the water pumping room to prevent the hot water in the landing room from getting cold.

An embodiment of this invention will be described below with reference to the drawings.

In FIGS. 1 to 3, a valve box 1 is provided with a connection port 2 to a water pipe and a connection port 3 to a boiler (such as an electric water heater i or a gas water heater) on the back side.

The right end of the upper surface of the valve box 1 is provided with a connection port 4 for connecting to the water supply pipe of the solar heater, and the left end is provided with a connection port 5 for connecting to the downfall pipe of the solar heater.

The lower surface of the valve box 1 is equipped with a lower connection to the discharge pipe 6 and a drain port 8, and the front side includes a pumping valve 9 for the solar heater, a cold water outlet valve 10, and a first hot water outlet valve 11 for hot water supplied from the boiler. and a second hot water outlet valve 12 for hot water supplied from the solar heater.

The interior of the valve box 1 is divided into a plurality of chambers by partition walls, and includes a water supply chamber 13 that leads to the connection port 2 and into which cold water from the water pipe flows;
A water pumping chamber 14 that connects to the connection port 4 and receives cold water to be pumped to the solar heater; a mixing chamber 15 that connects the discharge pipe 6 to the connecting lower portion of the discharge pipe 6; a mixing chamber 15 that connects the water to the connection port 3; and a hot water supply that connects to the connection port 3 and receives hot water from the boiler. A landing chamber 17 is formed which communicates with the chamber 16 and the connection port 5 and into which hot water from the solar heater flows.

A water supply chamber 13 is provided at the rear right side of the valve box 1, a water pumping chamber 14 is provided at the right end, a connecting lower is provided at the center, a hot water supply chamber 16 is provided at the rear left, and a dropoff chamber 17 is provided at the middle portion on the left.
is provided, and a horizontally long mixing chamber 15 is provided at the front.

The landing room 17 is provided so as not to be adjacent to the water supply room 13 and the water pumping room 14, and in the example shown in the figure, it is provided so as not to be adjacent to the water supply room 13 and the water pumping room 14.
There are four layers.

The water supply chamber 13 and the water pumping chamber 14 communicate through a water pumping port 18, and this water pumping port 18 is opened and closed by a valve piece 19 of a pumping valve 9.

The water supply chamber 13 communicates with the mixing chamber 15 through the water outlet 20, and the water outlet 2
0 is opened and closed by the valve piece 21 of the water outlet valve 10.

The mixing chamber 15 also communicates with the lower connection of the discharge pipe 6.

The hot water supply chamber 16/I′i communicates with the mixing chamber 15 through the first hot water outlet 22, and is opened and closed by the valve piece 23 of the first hot water outlet valve 11 of the first hot water outlet 22/Ii.

The exit chamber 16 communicates with the mixing chamber 15 through the second tap 24, and the second
The tap water outlet 24 is opened and closed by a valve piece 25 of the second hot water tap valve 12.

In the figure, a drain valve 26 closes a drain port 8 opened to the hot water chamber 14, and is opened during winter anti-freezing or solar heater cleaning.

Before using the hot water mixing faucet of the present invention, the connection port 2 is connected to the water pipe, the connection port 3 to the boiler, the connection port 4 to the water supply pipe of the solar heater, and the connection port 5 to the downfall pipe.

In the closed state shown in FIG. 3, the water pumping port 18 and the water outlet 20
, the first tap 22 and the second tap 24 are all closed, and neither water nor hot water is discharged.

To supply water to the solar heater, the water pumping valve 9 is operated to open the water pumping port 18.

When the water pumping port 18 opens, cold water flows from the water supply chamber 13 to the water pumping chamber 1.
4 and is further supplied to the solar heater through the connection port 4, where it is heated.

Hot water produced by the solar heater is supplied to the landing room 17 through the connection port 5.

The hot water heated by the boiler passes through the connection port 3 to the hot water supply room 16.
supplied to

In order to discharge the hot water supplied from the boiler, the first hot water outlet 22 may be opened by operating the first hot water outlet valve 11 from the state shown in FIG.

With the opening of the first hot water outlet 22, hot water flows from the hot water supply chamber 16 into the mixing chamber 15.

Next, in order to discharge the hot water supplied from the solar heater, the second hot water outlet 24 may be opened by operating the second hot water outlet valve 12 from the state shown in FIG.

With the opening of the second tap 24, hot water flows from the landing chamber 17 into the mixing chamber 15 and is discharged from the discharge pipe 6.

In order to discharge only cold water, the water outlet 20 may be opened by operating the water outlet valve 10 from the state shown in FIG.

With the opening of the water outlet 20, cold water flows from the water supply chamber 13 into the mixing chamber 15, and is further discharged from the discharge pipe 6.

To dilute the hot water with cold water, the first hot water tap 11t&U second hot water tap 12 and water tap 10 are operated simultaneously to adjust the hot water to an appropriate temperature.

Since this invention has the above configuration, it has the following advantages.

Since the drop-off room into which the hot water supplied from the solar heater flows is provided so as not to be adjacent to either the water supply room or the water pumping room, the spring in the drop-down room does not get cold easily, and the hot water from the solar heater can be used effectively.

[Brief explanation of the drawing]

FIG. 1 is a front view of the present invention, FIG. 2 is a plan view, FIG. 3 is a sectional plan view, and FIG. 4 is a sectional view of a conventional example. 1...Valve box, 9...Pumping valve, 10...
... Water valve, 11 ... Hot water valve, 12 ...
...Hot water valve, 13...Water supply room, 14...
...Pumping room, 15...Mixing room, 16...
・Hot water supply room, 1γ... Descending room.

Claims (1)

[Scope of utility model registration request] Inside the valve box 1, there is a water supply chamber 13 communicating with the water pipe, a water pumping chamber 14 communicating with the water supply pipe of the solar heater, a hot water supply chamber 16 communicating with the boiler, a descending chamber 17 communicating with the cooling pipe of the solar heater, and a discharge pipe 6. A mixing chamber 15 leading to the water supply chamber 15 is formed, and the landing chamber 17 is formed in a position not adjacent to either the water supply chamber 13 or the water pumping chamber 14, and the water supply chamber 13 and the water pumping chamber 14 are connected to each other by a water pumping port 18. The water pumping port 18 can be freely opened and closed by the water pumping valve 9, and the water supply chamber 13 and the mixing chamber 15 can be connected by a water outlet 20, and the water outlet 20 can be freely opened and closed by the water discharge valve 10, and the water can be mixed with the hot water supply chamber 16. chamber 15 and the first tap water outlet 2
2, the first tap 22 can be freely opened and closed by the first tap 11, the exit chamber 1T and the mixing chamber 15 are connected to each other by the second tap 24, and the second tap 24 is connected to the second tap 24. Hot water valve 12
A hot water mixing faucet that can be opened and closed at will.