JPS5817904B2 - hot water mixing faucet - Google Patents

Description

[Detailed Description of the Invention] Conventionally, most of the hot water mixer faucets used in places where hot water is used, such as baths and showers, are equipped with a valve for hot water or cold water, and by adjusting these valves respectively, the mixture can be adjusted. This method uses hot water that has been heated, and the amount of hot water is adjusted by operating both the water valve and the bundle of hot water side valves independently of each other, so that the temperature and discharge amount of mixed hot water are appropriate. Therefore, the disadvantage is that adjusting the temperature and discharge amount is extremely troublesome and difficult.

The present invention has been made to eliminate such drawbacks, and by moving the valve in the vertical direction using only a single lever, the hot water supply ports provided vertically and at a distance from each other open and close together, allowing mixed hot water to be mixed. By adjusting the discharge amount and rotating the valve in the left-right direction, one of the hot water supply ports provided vertically apart opens and the other closes, making it possible to change the mixing ratio of hot water. 1 is a valve fitting hole provided inside the mixing tap body A, and 2 is a water mixing faucet provided on the peripheral wall of the valve fitting hole 1. Supply port 3 is a hot water supply port provided below the supply port,
4 is a mixing chamber provided below the valve fitting hole 1, 5 and 6 are valve seats provided at the bottom of the mixing chamber 4, and 7 is a mixed hot water passage hole through which the mixed hot water in the mixing chamber 4 is fed. It leads to the discharge port 18.

Reference numeral 8 denotes a cylindrical valve having an internal through hole 9 that is vertically bored along the central axis of the valve body and opens at the bottom of the valve body, and has vertical and horizontal movement with respect to the valve fitting hole 1. It is rotatably fitted, and there are water inflow grooves 1 spaced apart vertically on its circumferential surface.
0, while drilling the hot water inflow grooves 11 respectively, and 0 for water stop.
The rings 12, 13, and 14 are fitted into each other, and a waterproof packing 15 is fitted at the lower end so as not to block the opening of the internal passage 9.

When the valve 8 is moved downward and brought into contact with the valve seats 5 and 6, the end face where the gasket 15 is fitted is located between the water supply port 2 and the water inflow groove 10, and Combined with the fact that the hot water supply port 3 and the hot water inlet groove 11 are mutually closed, a double closed state is created, and leakage of water and hot water is reliably prevented.

Further, the valve 8 is engaged with a lever 17 via a ball joint 16, and can be moved up and down and rotated by the lever 17.

The water and hot water supply ports 2 and 3 are as shown in Figures 2 and 3.
This is formed into a rectangular shape in the horizontal direction and the same size, and the water inflow groove 10 is also formed into a rectangular shape in the horizontal direction and the length of the vertical and horizontal sides is the same as that of the supply port 2 or slightly thicker. ,or,
The inflow groove 11 for hot water is also a rectangular shape provided in the horizontal direction, and the length of the horizontal side is the same as or slightly larger than the supply port 3, and the length of the vertical side is such that the inflow groove 11 is connected to the supply port 3. Even when the hot water is completely mixed, the entire amount of hot water to be supplied can be introduced into the mixing chamber 4. In other words, the supply ports 2 and 3 are designed to be large enough to communicate with the mixing chamber 4, and the supply ports 2 and 3 are designed as described below. If the configuration is such that when the valve 8 is pulled up as shown in the figure, the upper lateral sides of the inflow grooves 10 and 11 reach the lower lateral sides of the supply ports 2 and 3 at the same time, it is possible to control the temperature of the mixed hot water and control the discharge amount. This is preferable because it makes adjustment easy and reliable.

- If only the position of the power water supply port 2 is provided slightly below the above-mentioned configuration position, water will always be supplied before hot water when the valve 8 is pulled up, so that water will be supplied from the discharge port 18 suddenly. Concerns about hot water being spewed out can be eliminated.

Further, a tapered portion 11' is provided downwardly from the lower lateral side of the inflow groove 3.
By providing this, the flow of the supplied hot water can be improved.

The hot water mixing faucet according to the present invention is constructed as described above. When using this, the valve 8 is pulled up by pulling the lever 17 upward, and the water shutoff gasket 15 leaves the valve seats 5 and 6 and moves into the mixing chamber. 4 and the discharge port 18, and the water inflow groove 1
0 matches the water supply port 2, and the hot water inflow groove 11 matches the hot water supply port 3, respectively, and the water inflow groove 10 supplies water to the mixing chamber 4 through the internal hole 9, while the hot water The inflow groove 11 directly supplies hot water to the mixing chamber 4, and the mixed hot water mixed in the mixing chamber 4 passes through the mixed hot water passage hole 7 and is discharged from the discharge port 18.

Therefore, even when hot water flows in, the valve 8 is cooled by the water passing through the internal hole 9, while the hot water flows directly from the outside of the lower part of the valve 8 into the mixing chamber 4, which has a large volume, and mixes with the water. Since the mixture is mixed, thermal expansion of the valve 8 does not impede its vertical movement or rotational operation.

Further, by appropriately moving the valve 8 up and down by operating the lever 17, the opening area of the water/hot water supply ports 2.degree.3 simultaneously increases or decreases, and the discharge amount of mixed hot water is adjusted.

Furthermore, when the lever 17 is turned to the left, the area of the hot water inflow groove 11 facing the hot water supply port 3 increases, so that the opening area of the hot water supply port 3 increases, and conversely, the area of the hot water inflow groove 11 facing the hot water supply port 3 increases. Since the area facing the supply port 2 is reduced, the opening area of the supply port 2 is reduced, and as a result, the amount of mixed hot water increases, the amount of water decreases, and the temperature rises.
1. Furthermore, when the supply ports 2 and 3 are provided with the same shape and size as described above, the decrease in the opening area of the supply port 2 and the increase in the opening area of the supply port 3 are balanced. , the decrease in the amount of water and the increase in the amount of hot water are balanced, so that the amount of mixed hot water discharged can be kept the same.

On the other hand, if the lever 17 is turned to the right, the temperature of the mixed hot water can be lowered by the opposite effect.

Further, according to the present invention, it is also possible to completely close either one of the supply ports 2 and 3 and supply only water or hot water.

Since the present invention has the structure and operation as described above, by operating the lever 17, the valve 8 is moved up and down appropriately, and rotated left and right, thereby reliably adjusting the discharge amount of mixed hot water. The operation is extremely simple, as the mixing ratio of hot water and hot water can be adjusted as desired.Moreover, the hot water supply ports are vertically spaced apart, so the hot water or water supply pipe can be run in any direction. It has remarkable effects such as being able to be used for piping.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, and FIG. 1 is a partial side sectional view showing the closed state, and FIG. 2 is a partial side sectional view of the entire mixing faucet A viewed from the same side as FIG. 1. , FIG. 3 is a partial side sectional view of the mixing faucet main body A seen from the opposite side from FIG. 1, and FIG. 4 is a front view of the valve 8. In the drawing, 1 is the valve fitting hole of the mixing faucet main body A, 2 is the water supply port,
3 is a hot water supply port, 4 is a mixing chamber, 8 is a valve, 9 is an internal hole,
10 is a water inflow groove, and 11 is a hot water inflow groove.

Claims (1)

[Claims] 1 By moving the valve up and down, the opening area of each hot water supply port can be simultaneously increased or decreased to adjust the discharge amount of mixed hot water, and by rotating the valve left and right, the opening area of each supply port can be reversed. In a mixer faucet in which the mixing ratio of mixed hot water can be adjusted by increasing or decreasing the hot water mixture ratio, a water supply port 2 and a hot water supply port 3 are vertically separated on the peripheral wall of the valve fitting hole 1 of the mixer faucet body A. At the same time, a hot water mixing chamber 4 and a valve seat 56 at the bottom of the mixing chamber 4 are provided at the bottom of the valve fitting hole 1.
A mixed hot water hole 7 is provided which communicates with the discharge port 18 via the
A water inflow groove 10 corresponding to the water supply port 2 and the hot water supply port 3 is provided on the outer circumferential surface of the valve 8 fitted in the valve fitting hole 1.
and a hot water inflow groove 11 are provided, and the water inflow groove 10 is a vertically elongated internal through hole 9 that opens at the bottom of the valve body along the central axis of the valve body.
The hot water inflow groove 11 is provided directly facing the mixing chamber 4 from the outside of the valve body,
The hot water mixing faucet is characterized in that the valve 8 is engaged with a lever 17 via a joint 16 so that it can be moved up and down and rotated left and right with respect to the valve fitting hole 1.