JP4218197B2 - Hand wash bowl - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a hand-washing basin installed on the upper side of a low tank that supplies toilet flushing water to a toilet bowl, and more particularly to a hand-washing basin configured to wash water by collecting water in the bowl.
[0002]
[Prior art]
In the toilet room, a handwashing bowl provided on the upper side of the low tank is widely used to wash hands after stool. Referring to FIG. 4 illustrating an example of a conventional example of such Tearaibachi with low tank.
[0003]
This conventional example is called a console-type Western-style toilet equipment having a low-tank cover that covers the low-tank. A low-tank cover 12 is installed on the upper surface of the rear part of the western-style toilet 10, and a low tank (see drawing) (Not shown) is provided for the sake of clarity. Water is supplied into the low tank through the stop cock 14, the supply pipe 16 and the ball tap 18. A float valve 20 is provided at the water outlet at the bottom of the low tank. When the washing handle 22 attached to the low tank cover 12 is turned, the float valve 20 is pulled up via the ball chain 24, and the water in the low tank is discharged to the toilet bowl of the western style toilet 10. When almost the entire amount of water in the low tank is discharged, the float valve 20 is seated and water is stored again in the low tank. When the water level in the low tank decreases, the floating ball 26 connected to the ball tap 18 moves downward, the ball tap 18 is opened, and water is poured into the low tank from the ball tap 18.
[0004]
A hose 28 is branched from the ball tap 18, and water is supplied to the hand-washing water discharger 30 by the hose 28.
[0005]
The upper surface portion of the low tank cover 12 is a detachable hand wash bowl 32, and the hand wash water discharger 30 is erected from the hand wash bowl 32.
[0006]
When the ball tap 18 is opened by turning the washing handle 22 to discharge the water in the low tank to the toilet bowl, water discharge starts from the hand wash water dispenser 30, and when the ball tap 18 is closed, water discharge stops from the hand wash water dispenser 30. Hands can be washed while water is being discharged from the hand-washing water dispenser 30.
[0007]
A drainage port (not shown) is provided at the bottom of the handwashing basin 32, and the water dropped into the handwashing basin 32 falls from the drainage port into the low tank.
[0008]
In this conventional example, water discharged from the ball tap 18 into the low tank is stored in the flexible service tank 34, and the fresh water in the service tank 34 is supplied to the warm water washing apparatus for the human body. When the inside of the service tank 34 is full, the water overflowing from the service tank 34 is stored in the low tank.
[0009]
A toilet seat 36 and a toilet lid 38 are attached to the front side of the low tank cover 12 so as to be rotatable in the vertical direction.
[0010]
[Problems to be solved by the invention]
In the hand-washing basin 32 in which the hand is washed by water discharged from the hand-washing water dispenser 30 as in the conventional case, water hitting the hand scatters around and wets the toilet room floor or wall or the user's clothes. There is. Further, in an area where the water pressure is high, the water discharged from the hand-washing water discharger 30 may hit the bowl surface of the hand-washing basin 32 and scatter and wet the surroundings.
[0011]
If adjustment is made to reduce the amount of water in order to prevent water from splashing, the amount of water that comes out becomes thin, which may make it difficult to wash hands.
[0012]
An object of this invention is to provide the hand-washing basin which can prevent a water splash and wash | cleans a hand fully.
[0013]
[Means for Solving the Problems]
Tearaibachi of the present invention, in Tearaibachi installed on the upper side of the low tank, and the bowl portion, and the overflow weir partitioning the basin portion to the reservoir and the overflow portion, and a water discharge unit for supplying water to the water storage portion, comprising a drainage port for draining into the low tank is provided on該溢out section, and a flow outlet for outflow of water which has overflowed through the該溢weir from water storage portion to the low tank from the bottom of the reservoir The water discharge port of the water discharger is located below the upper edge of the pot portion, and the water discharge amount of the water discharger and the diameter of the drainage port are water from the overflow weir by water discharge from the water discharger. The hand basin is set so that water is accumulated in the basin until it overflows, and the overflow weir extends from the left side to the right side of the basin, and the front side of the hand basin is the water storage part And the back side is an overflowing portion .
[0014]
In the hand-washing basin of the present invention, when water is discharged from the low tank to the toilet bowl, the water is discharged from the water discharger to the bowl part. The amount of water discharged is set to be sufficiently larger than the amount of outflow from the drain outlet of the pot, and water accumulates in the pot. Wash your hands with this water. In addition, when water accumulates in the pot portion to a predetermined water level, water overflows from the overflow portion to the low tank thereafter.
[0015]
In the present invention, the pot portion is partitioned by an overflow weir into a water storage portion and an overflow portion, the water discharger is disposed to discharge water into the water storage portion, the drain outlet is disposed in the water storage portion, an outlet port to the low tank is that provided in the overflow section. When the water storage portion is partitioned in the pot portion in this way, the water storage portion has a smaller volume than the pot portion, so that water is quickly accumulated in the water storage portion.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments will be described with reference to FIG 1-3. 1A is a perspective view showing a hand basin according to an embodiment of the present invention, FIG. 1B is a cross-sectional view taken along line BB in FIG. 1A, and FIG. 2 is a plan view of the hand basin of FIG. FIG.
[0017]
This hand-washing basin 40 is installed on the upper side of the raw tank cover 12 similarly to the hand-washing basin 32 of FIG. The pot portion 42 of the hand basin 40 is partitioned into a water storage portion 44 and an overflow portion 46 by an overflow weir 48. A water discharger 50 is provided in a pot facing the water storage section 44. The water outlet 50 a of the water discharger 50 is lower than the upper edge 42 a of the bowl part 42 of the hand-washing basin 40. Water is supplied from a ball tap to the water discharger 50 via a water supply hose 28.
[0018]
A drain port 52 is provided at the bottom of the water reservoir 44, and an outlet 54 is provided at the bottom of the overflow 46. These drain outlet 52 and outlet 54 are both located above a low tank (not shown).
[0019]
In the hand basin 40 configured as described above, water discharge is performed from the water discharger 50 when the ball tap is opened in accordance with the operation of the low tank cleaning handle (not shown in FIGS. 1 and 2). The amount of water discharged from the water discharger 50 is set to be sufficiently larger than the amount of water discharged from the water outlet 52, and water quickly accumulates in the water storage unit 44. Therefore, a person who has finished using the toilet bowl can wash his / her fingers and hands in the water stored in the water storage section 44. Excess water overflows to the overflow portion 46 by the overflow weir 48.
[0020]
When the ball tap is closed, water discharge from the water discharger 50 stops, and the water in the water storage section 44 gradually flows out from the drain port 52 to the low tank. Usually, the hands are washed before the water level in the water storage section 44 starts to drop.
[0021]
In the water discharger 50, the level of the water discharge port 50a is lower than the bowl portion upper edge 42a. In particular, in this embodiment, the water discharge direction of the water discharge port 50a is parallel to the pot surface or more toward the pot surface so as to discharge water along the pot surface of the water storage section 44.
[0022]
For this reason, the water discharged from the water discharger 50 does not splash from the bowl surface and does not scatter around the hand-washing bowl 40. Moreover, since the water discharger 50 does not make a business trip, the appearance of the hand-washing bowl 40 is good.
[0023]
In this embodiment, the overflow weir 48 is extended from the left side of the hand basin 40 to the right side, and the volume of the water storage part 44 is made relatively small. For this reason, water accumulates in the water reservoir 44 at an early stage.
[0025]
Although in the embodiment of FIG. 1-2 are arranged water discharge 50 to the front side of the Tearaibachi (toilet stool front side) may be provided on the support id, may be provided in the corner was or.
[0026]
In the present invention, the top cover 60 of the openable cover the pot 42 may be provided as Tearaibachi 40C in FIG. When not using the Tearaibachi 40C is the top cover 60 as shown in FIG. 3 (A) are laid down. May be opened by only the top cover 60 is raised rotated as shown in FIG. 3 (B) when washing hands, the top cover 60 by operating the cleaning handle 22 so as to automatically erected rotated by a motor or the like Also good. Further, the top cover 60 may be automatically opened when the human body detection sensor detects a human body. If such a top cover 60 is provided, dust does not enter the bowl part 42 of the hand-washing bowl 40C, and extremely clean water can be stored in the bowl part 42.
[0027]
In the embodiment described above, the hand basin is installed on the row tank cover 12, but the present invention can also be applied to a hand basin placed directly on the row tank.
[0028]
In the present invention, the toilet bowl may be a Western style toilet bowl or a Japanese style toilet bowl.
[0029]
【The invention's effect】
As described above, according to the hand-washing basin of the present invention, water can be prevented from splashing around, and hands can be sufficiently washed by immersing fingers in the stored water.
[Brief description of the drawings]
FIG. 1 (A) is a perspective view showing a hand basin according to an embodiment of the present invention, and FIG. 1 (B) is a cross-sectional view taken along the line BB of FIG. 1 (A).
FIG. 2 is a plan view of the hand basin of FIG.
FIG. 3 is a plan view of a hand basin according to a different embodiment.
FIG. 4 is a perspective view of a Western-style toilet equipped with a conventional hand-washing basin.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Western-style toilet 12 Low tank cover 18 Ball tap 22 Washing handle 30 Hand wash water drainer 32 , 40 , 40C Hand wash bowl 42 Bowl part 44 Water storage part 46 Overflow part 4 8 Overflow weir 52 Drain outlet 54 Outlet 60 Top cover

Claims (2)

In the hand basin installed on the upper side of the low tank,
Hachibe ,
An overflow weir that divides the pot part into a water storage part and an overflow part;
A water discharge unit for supplying water to the water storage portion,
A drain port for draining into the low tank from the bottom of the reservoir,
An outlet that is provided in the overflow portion and allows the water overflowing from the water storage portion via the overflow weir to flow out into the low tank, and the outlet of the water discharger is a pot. It is located below the upper edge of the part,
The water discharge amount of the water discharger and the diameter of the drain outlet are hand-washing bowls set so that water accumulates in the pot part until water overflows from the overflow weir due to water discharge from the water discharger ,
The overflow weir extends from the left side of the hand basin to the right side;
A hand-washing basin characterized in that the front side of the hand-washing basin is a water storage part and the back side is an overflowing part . In Claim 1, the spout is located higher than the upper edge of the overflow weir,
The water basin is characterized in that the water discharger is arranged on the front side in the hand basin.

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