JP2882759B2 - Channel structure of the toilet seat - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water channel structure for a warm water flush toilet seat.

[0002]

2. Description of the Related Art Conventionally, there has been provided an apparatus for cleaning a human body part equipped with a shower nozzle for cleaning a human body part and a charm nozzle for cleaning a female part. The shower nozzle and the charm nozzle are arranged in the rear central area of the toilet seat. Then, water is supplied from a hot water tank provided in the human body local cleaning device to a shower nozzle or a charm nozzle via a flexible rubber hose.

[0003]

In the conventional apparatus, the capacity of the hot water tank, the space for installing other equipment, and the assembling property are not always sufficient. In particular, since a highly flexible rubber hose is used as a pipe, automatic assembly by a robot has not been easy. SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to provide a water channel structure of a hot water flush toilet seat that can secure the volume of a hot water tank, secure installation space for other devices, and improve assemblability. Is to do.

[0004]

According to the present invention, there is provided a water channel structure for a hot water flush toilet seat comprising a base plate mounted on a mounting surface of a toilet, a casing attached to the base plate, a shower nozzle for cleaning a human body part, and a female part. A first inlet for receiving a water nozzle for a shower nozzle connected to a shower nozzle and a water inlet pipe for a charm nozzle, which is disposed in the casing and above the base plate and located in the casing and connected to the shower nozzle; And a switching valve mechanism having a switching valve for switching between water supply to the shower nozzle and water supply to the charm nozzle, a tank chamber for storing water supplied from a water supply source, and a heater for heating water in the tank chamber. The hot water tank has an upper part that projects laterally and a switching valve. And it is characterized in that it comprises a sideways projecting tank portion forming a transverse HoCho outlet chamber which is disposed above the structure leads to the tank chamber.

[0005]

The hot water tank has a horizontal overhanging tank portion which is formed above the switching valve mechanism and which forms a horizontal overhanging chamber connected to the tank chamber. . This is advantageous for securing the volume of the hot water tank. Moreover, since the laterally extending tank portion is disposed above the switching valve mechanism, it is advantageous to secure a space for installing other devices such as a deodorizing device while ensuring the volume of the hot water tank.

[0006] Moreover, the laterally extending tank portion of the hot water tank is
Since it is arranged above the switching valve mechanism, that is, the laminating method of laminating the switching valve mechanism and the hot water tank is adopted, the mounting direction can be reduced, and it is also advantageous for automatic mounting by a robot. It is.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows the overall structure. As can be understood from FIG. 1, the ceramic toilet bowl 1 is equipped with a human body local cleaning device 2. The human body part cleaning device 2 is equipped with a shower nozzle 3 for cleaning a human body part and a charm nozzle 4 for cleaning a female part. The human body local cleaning device 2 includes a toilet seat 5 and a toilet lid 6. A low tank 7 is arranged behind the human body local cleaning device 2. Water is supplied to the low tank 7 via a water stopcock 8, a branch tap 9 and a pipe 10 functioning as a water supply source. Water is supplied from the branch tap 9 to the human body local cleaning device 2 (a hot water tank 35 described later in the human body local cleaning device 2) via the pipe 11. Reference numeral 12 denotes a power source, and reference numeral 13 denotes a ground wire.

In FIG. 2, a resin base plate 15, which is a part of the human body local cleaning device 2, is attached to the mounting surface 1 of the toilet 1.
a is fixed by a mounting bolt 1c. A box-shaped casing 1 made of resin, which is a part of the human body local cleaning device 2.
7 is attached to the base plate 15. The switching valve mechanism 20 is located in the casing 17 and
5 above. The switching valve mechanism 20 includes a switching valve 21 that switches between water supply to the shower nozzle 3 and water supply to the charm nozzle 4, and a first upward receiving port 22 and a second upward receiving port 22.
A receiving port 23 is provided. Further, the switching valve mechanism 20 is formed with a vertical cylindrical portion 26 having an upwardly-facing receiving port 26 x having a vertical passage 25 through a horizontal passage 24.

The first receiving port 22 has a resin shower nozzle water supply pipe 3 x connected to the shower nozzle 3 inserted therethrough from above and received through a seal ring 30. Into the second receiving port 23, a resin nozzle water pipe 4 x made of resin and connected to the charm nozzle 4 is inserted from above and is received via a seal ring 31. The hot water tank 35 made of resin includes a water supply source, that is, a large-capacity tank chamber 36 for storing water supplied via the water stopcock 8, the branch tap 9 and the pipe 11, and a heater for heating water in the tank chamber 36. 37. Although not specifically shown, the tank chamber 36 has a substantially “Γ” shape including a vertical chamber and a horizontal chamber. FIG. 2 shows a tank chamber 36 having a substantially “Γ” shape.
Of the horizontal chamber of FIG. Hot water tank 35
Is formed by connecting an upper tank 35a and a lower tank 35b. An upper tank 35a constituting the hot water tank 35 has a float switch 4 for detecting the water level in the tank chamber 36.
0, a temperature sensor 41 for detecting the water temperature of the tank chamber 36 and a thermostat 42 are held.

The horizontal chamber of the hot water tank 35 according to the present embodiment is integrally provided with a horizontal overhanging tank portion 38 forming a horizontal overhanging chamber 36i connected to the front end area of the horizontal chamber of the tank chamber 36. . The laterally extending tank portion 38 is formed by extending the upper part of the horizontal chamber of the hot water tank 35 laterally, that is, in the direction of the arrow X1, and is therefore disposed above the switching valve mechanism 20. That is, the switching valve mechanism 20 includes the laterally extending tank portion 38.
It is arranged below.

Further, at the end of the laterally extending tank portion 38, a resin intake cylinder portion 39 extending in the vertical direction is formed. The vertical passage 39x of the water intake tube portion 39 communicates with the vertical passage 25.
On the upper part of the water intake tube portion 39, the adherend 40 is
1 is applied. FIG. 3 shows a cross section taken along line PP in FIG. As shown in FIG. 3, the adherend 40 includes an atmosphere communication passage 43 communicating with the atmosphere. At the end of the horizontal overhanging tank section 38 of the hot water tank 35, the horizontal overhanging chamber 3 is provided.
A communication passage 38h and a water intake 38i are formed to connect to 6i. The valve chamber 50 is located above the water intake 38i.

The water intake 38i is located at the upper end of the laterally extending chamber 36i. Further, a plurality of projections 51 are arranged side by side at predetermined intervals in the circumferential direction via a gap 52 so as to face the valve chamber 50. A rubber closing valve 55 is disposed in the valve chamber 50. Here, depending on the amount of water in the hot water tank 35 and the like, the pressure inside the hot water tank 35 may be increased by water pressure, or the pressure increase may be canceled and the pressure may become slightly negative. In this case, there is a possibility that dirt is sucked from the nozzles 3 and 4. The stop valve 55 prevents this. That is, when the pressure in the hot water tank 35 is increased, the closing valve 55 moves upward, that is, in the direction of the arrow Y1, and the conical surface 55m of the closing valve 55 becomes the conical surface 4 of the adherend 40.
Close to 0m. In this state, the water in the hot water tank 35 flows through the intake port 38i, the valve chamber 50, and the vertical
1. The water shifts in the W2 direction, and the water is supplied to the switching valve 21. Then, water is selectively supplied to the shower nozzle 3 and the charm nozzle 4 by the switching action of the switching valve 21.
On the other hand, when the pressure increase in the hot water tank 35 is released and the pressure becomes a negative pressure state, the closing valve 55 is pressed by the atmospheric pressure from the atmosphere communication passage 43, descends, and rests on the projection 51. In this case, the space 52 between the projections 51 and the atmosphere communication passage 4
Since it communicates with the atmosphere via 3, the formation of a negative pressure in the hot water tank 35 is avoided, and the suction of the above-mentioned dirt is avoided.

In FIG. 2, a casing 17 includes
A warm air heater 60, a deodorizing fan 61, and a deodorant storage chamber 62 are provided. Next, a case where the human body local cleaning device 2 is assembled will be described. At this time, as can be understood from FIG. 2, first, the switching valve mechanism 20 is held on the base plate 15 by mounting bolts or the like. Next, a water supply pipe 3x for the shower nozzle 3 is inserted into the first upward receiving port 22 of the switching valve mechanism 20.
Is fitted in the vertical direction, that is, in the direction of arrow Y3, and the charm nozzle 4 is inserted into the upward second receiving port 23 of the switching valve mechanism 20.
Water supply pipe 4x is fitted in the vertical direction, that is, in the direction of arrow Y4. Next, the hot water tank 35 is lowered in the direction of arrow Y3 (that is, the direction of arrow Y4),
6 is inserted through the seal ring 35i into the receiving port 26x of the hot water tank 35 via the seal ring 35i, and the hot water tank 35 is connected to the switching valve mechanism 20. Thereby, the water channel structure according to the present embodiment is formed.

As described above, in the present embodiment, when the switching valve mechanism 20 and the hot water tank 35 are assembled, the operation can be performed in the vertical direction, that is, from the directions of the arrows Y3 and Y4. This is advantageous for automatic assembly by a robot. In particular, instead of the conventionally used flexible rubber hose, which has been a bottleneck in automation, resin water supply pipes 3x and 4x, which can be called rigid pipes, are used, and the water supply pipes 3x and 4x are connected to a switching valve mechanism. 20 sockets 22, 23
It is advantageous for automatic assembly by a robot because it is fitted vertically.

According to the present embodiment, the hot water tank 35 has an upper portion projecting laterally and a lateral projecting tank portion 38 forming a lateral projecting chamber 36i disposed above the switching valve mechanism 20. It has. This is advantageous for securing the volume of the hot water tank 35. Further, according to this embodiment, as can be understood from FIG. 1, the switching valve mechanism 20, the shower water pipe 3
x, the water supply pipe for charm 4x, and the laterally extending tank portion 38 of the hot water tank 35 are vertically stacked, so that the switching valve mechanism 2 is disposed below the laterally extending tank portion 38.
0, a water supply pipe for shower 3x and a water supply pipe for charm 4x are arranged. Therefore, the space in the casing 17 can be effectively used while securing the volume of the hot water tank 35 by the volume increasing function of the laterally extending tank portion 38. Therefore, it is advantageous in securing the installation space for the warm air heater 60, the deodorizing fan 61, the deodorant storage chamber 62, and the like in the casing 17.

In addition, the present invention is not limited to the embodiment described above and shown in the drawings, but can be appropriately selected as needed without departing from the scope of the invention. (Supplementary Note) The following technical idea can be understood from the above-described embodiment. The structure according to claim 1, wherein a switching valve mechanism, a shower water pipe, and a charm water pipe are disposed below the laterally extending tank section. A water supply pipe for the shower nozzle is fitted to the first upward receiving port of the switching valve mechanism, a water supply pipe for the charm nozzle is fitted to the second upward receiving port of the switching valve mechanism, and the hot water tank is lowered. The structure according to claim 1, wherein the receiving cylinder portion of the laterally extending tank portion of the hot water tank is inserted into the upwardly-facing receptacle of the vertical cylinder portion of the switching valve mechanism.

[Brief description of the drawings]

FIG. 1 is a perspective view showing the overall appearance.

FIG. 2 is a configuration diagram showing a main part structure in a casing.

FIG. 3 is a sectional view taken along the line PP of FIG. 2;

[Explanation of symbols]

In the figure, 3 is a shower nozzle, 4 is a charm nozzle, 3x
Is a water supply pipe for a shower nozzle, 4x is a water supply pipe for a charm nozzle, 15 is a base plate, 17 is a casing, 20 is a switching valve mechanism, 22 is a first receiving port, 23 is a second receiving port, 35 is a hot water tank, Reference numeral 38 denotes a laterally extending tank portion.

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-4-140340 (JP, A) JP-A-4-61171 (JP, U) (58) Fields investigated (Int. Cl. ⁶ , DB name) E03D 9/00-9/16

Claims (1)

(57) [Claims] 1. A base plate mounted on a mounting surface of a toilet bowl, a casing attached to the base plate, a shower nozzle for cleaning a human body part and a charm nozzle for cleaning a female part, and the base plate located in the casing. A first receiving port for receiving a shower nozzle water supply pipe connected to the shower nozzle and a second receiving port for receiving a charm nozzle water supply pipe connected to the charm nozzle, and supplying water to the shower nozzle and A switching valve mechanism including a switching valve for switching water supply to the charm nozzle, a tank chamber for storing water supplied from a water supply source, and a hot water tank including a heater for heating water in the tank chamber; The hot water tank has an upper portion projecting sideways and is disposed above the switching valve mechanism. Water channel of bidet, characterized in that it comprises a sideways projecting tank portion forming a transverse HoCho outlet chamber connected.