JP4720062B2 - Flush toilet equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a flush toilet apparatus having a toilet body and a functional unit for supplying washing water to the toilet body, and in particular, a mounting position of a constant flow valve that allows a constant flow of water to flow even if there is a change in water pressure. It is about.
[0002]
[Prior art]
The flush toilet device is equipped with a wash water tank (low tank) with a built-in hole tap, and a type that supplies the wash water tank water to the toilet bowl body by operating a lever or the like to allow filth to flow. As disclosed in Japanese Laid-Open Patent Publication No. 2001-81843, there is known a type that does not include a washing water tank and discharges filth by flowing tap water directly into jet water and a toilet body.
Those equipped with a washing water tank can flow a certain amount of water to the toilet body without being affected by the source pressure of tap water, but jet water types can be run directly as jet water. A large amount of water flows when the tap water pressure is high, but when the water pressure is low, the amount of jet water may be insufficient and the filth may not flow completely. Depending on the installation location of the flush toilet apparatus, even in the same house, if water is used in other places, the water pressure that the flush toilet apparatus tends to receive may drop.
[0003]
Therefore, in a flush toilet device of a jet water type, for example, as described in Japanese Patent Application Laid-Open No. 11-108222, a constant flow valve that always flows a constant amount of water even when the source pressure of tap water changes is used. Has been.
And as shown in FIG. 7, this constant flow valve 60 is accommodated in the function part 61 provided in the upper back side of the toilet bowl main body, and the jet water and toilet bowl body which are similarly arrange | positioned in the function part 61 are included. 1 is provided immediately upstream of the toilet cleaning device 62 for supplying tap water to the rim (for example, a position a in FIG. 1). Water is supplied to the local cleaning device 64 via the branch fitting 63 on the upstream side of the constant flow valve 60, a joint 65 is provided on the upstream side of the water distribution fitting 63, and the stop cock 66 is connected via a flexible hose 67. Connected.
[0004]
[Problems to be solved by the invention]
However, the constant flow valve 60 has a relatively complicated structure, and if there is dirt or rust in the tap water, the constant flow valve 60 may be caught by the constant flow valve 60 and the movement of the constant flow valve 60 may be deteriorated. It was. In this case, it is necessary to clean or replace the constant flow valve 60. However, since the constant flow valve 60 is in the function unit 61, the case of the function unit 61 is removed and the toilet bowl cleaning device is used for repair and replacement. It was necessary to disassemble and remove the piping around 62, which was extremely troublesome.
The present invention has been made in view of such circumstances, and an object thereof is to provide a flush toilet apparatus capable of repairing or replacing a constant flow valve relatively easily.
[0005]
[Means for Solving the Problems]
The flush toilet apparatus according to the first aspect of the present invention is a flush toilet apparatus having a toilet bowl main body and a functional section for supplying water for washing to the toilet bowl main body, disposed outside the functional section, and the function A replaceable constant flow valve is disposed at a joint connecting the water supply receiving port of the water supply unit and the downstream end of the water supply pipe, and piping from the water supply receiving port to the functional unit is provided downstream of the constant flow valve. And a rotary joint that protrudes to the side of the flush toilet device . Thereby, when replacing | exchanging a constant flow valve, cleaning or replacement | exchange can be performed by disassembling the coupling arrange | positioned outside from a function part.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Next, embodiments of the present invention will be described with reference to the accompanying drawings for understanding of the present invention.
FIG. 1 is a partially omitted perspective view of the flush toilet apparatus according to the first embodiment of the present invention, FIG. 2 is a block diagram around the water of the flush toilet apparatus, and FIG. 3 is a joint of the flush toilet apparatus. 4 is a perspective view of the flush toilet apparatus, FIG. 5 is a partially omitted perspective view of the flush toilet apparatus according to the second embodiment, and FIG. 6 is a flush toilet apparatus according to the third embodiment. It is sectional drawing of the constant flow valve used for.
[0008]
As shown in FIG. 1 to FIG. 4, the flush toilet apparatus 10 according to the first embodiment of the present invention is a siphon jet type in which the filth collected in the toilet body 11 flows with jet water. And a functional unit 12 disposed on the upper rear side of the toilet body 11. The functional unit 12 includes a toilet lid 13 and an opening / closing drive means (not shown) of the toilet seat under the toilet lid 13, a local cleaning device (sanitary cleaning device) 14, a rim of the toilet body 11, and a toilet that supplies water to a jet water fountain. A cleaning device 15 is provided. As shown in FIG. 1, the toilet flushing device 15 includes an electromagnetic valve 16 that turns on / off water flowing to the rim of the toilet body 11, an electromagnetic valve 17 that turns on / off jet water, and immediately after the electromagnetic valves 16, 17 are closed. And vacuum break valves 18 and 19 for preventing the drain pipe from being evacuated by water flow.
[0009]
Water supply to the toilet bowl cleaning device 15 is performed via a branch fitting 20 arranged in the functional unit 12, and water supply from the branch fitting 20 to the local cleaning device 14 is also performed. A joint 22 with a built-in constant flow valve is provided upstream of the branch fitting 20 via a connection fitting 21. As shown in FIG. 3, the joint 22 is connected to the joint element 23 on the water supply port side of the functional unit 12 and the upstream side paired therewith, that is, the downstream end of the flexible hose 32 which is an example of a water supply pipe. And the joint element 24 to be formed.
In the joint element 23, a male screw 25 is formed on the outer side of the intermediate portion, and an enlarged diameter insertion portion 28 is provided on the inner water passage portion 26 via step portions 27 and 27a. On the other hand, the joint element 24 has a cylindrical guide portion 29 to be inserted into the enlarged diameter insertion portion 28 and a stopper portion 31 for stopping the end portion of the cap nut 30, and is opposite to the cylindrical guide portion 29 (that is, upstream side). ), The downstream end of the flexible hose 32 is fixed by a fastening fitting 33. An O-ring groove 35 for providing an O-ring 34 that seals the joint elements 23 and 24 is provided in the middle of the cylindrical guide portion 29.
[0010]
Between the step portion 27 and the step portion 27a, a constant flow valve mounting portion 38 into which the seating flange 37 of the constant flow valve 36 is fitted is provided.
The structure of the constant flow valve 36 is described as an example of a constant flow valve in Japanese Patent Laid-Open No. 11-108222. For example, a seat plate 39 disposed in the center of the flow path so as to be movable in the flow direction, and a seat plate Having a frustoconical coil spring 40 that pushes 39 to the upstream side, and a water passage 41 provided on the downstream side of the coil spring 40, the coil spring 40 is expanded and contracted by fluctuations in water pressure, and resistance is given to the entire water path, Even if the water pressure on the primary side fluctuates, a constant amount of water flows on the secondary side.
The constant flow valve 36 is fixed to a constant flow valve mounting portion 38 provided in the joint element 23, but a mounting portion for stopping the constant flow valve 36 may be provided in the upstream joint element 24. A mounting portion can also be provided across both joint elements 23, 24.
[0011]
As shown in FIG. 4, the joint 22 that houses the constant flow valve 36 is disposed so as to protrude to the rear side of the functional unit 12, and on one side (in this embodiment, the flush toilet device 10 is viewed from the front). Left side). The connection fitting 21 is disposed in the casing of the functional unit 12 and is not visible from the outside.
A flexible hose 32 is connected to the joint 22, and an upstream end portion of the flexible hose 32 is connected to a water stop cock 42.
[0012]
Therefore, when the flush toilet device 10 is used to check the constant flow valve 36 or when the constant flow valve 36 is replaced, the cap nut 30 of the joint 22 is removed and the joint element 23 and the joint element are removed. When 24 is disconnected, the constant flow valve 36 can be pulled out.
Then, a clean or new constant flow valve 36 is mounted again, and the joint element 23 and the joint element 24 are connected by tightening with the cap nut 30. These constructions can be performed outside the flush toilet apparatus 10.
[0013]
Next, a flush toilet apparatus according to the second embodiment of the present invention shown in FIG. 5 will be described. The same components as those in the above embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted. .
In this embodiment, a rotary joint (rotary joint) 43 is used instead of the connection fitting 21 of the flush toilet apparatus 10 according to the first embodiment. In this embodiment, the rotary joint 43 is provided on the outer side of the functional unit 12, but may be provided on the inner side. An L-shaped bend 44 is attached to the rotary joint 43, and the joint 22 is attached to the tip thereof.
[0014]
When replacing the constant flow valve 36 of the flush toilet apparatus according to the second embodiment, the bend 44 is turned from the vertical direction to the horizontal direction so that the joint 22 protrudes to the side of the flush toilet apparatus 10. Do. Thereafter, as shown in FIG. 3, the cap nut 30 is loosened, the joint elements 22 and 23 are disassembled, the constant flow valve 36 is replaced or cleaned, and the constant flow valve 36 is again placed in the joint element 23. Then, the cylindrical guide portion 29 of the joint element 24 is inserted into the enlarged diameter insertion hole 28, and the cap nut 30 is screwed into the male screw 25 for assembly.
[0015]
Subsequently, a constant flow valve 45 used in the flush toilet apparatus according to the third embodiment shown in FIG. 6 is shown, and tapered male threads 46 and 47 which are examples of joints are provided at both ends, and the flow direction is provided inside. And a coil spring 49 that urges the seat plate 48 to the upstream side, and water flows from the first water channel 50 having a large inner diameter into the second water channel 51 having a small diameter. A water passage 52 having an effective area smaller than that of the second water channel 51 is provided on the inlet side of the second water channel 51. Reference numeral 53 denotes a guide rod, 54 denotes a cylindrical guide, and a stopper 55 is provided at the end of the guide rod 53.
When this constant flow valve 45 is used, a socket having a female thread formed therein is attached to the end of the pipe that is extended outward from the flush toilet apparatus, and a socket having a female thread is also formed at the end of the flexible hose. It will be. In this case, it is preferable that a union is once connected to the constant flow valve 45 and the union is attached to a pipe or a flexible hose exiting from the flush toilet apparatus.
The constant flow valve 45 may be attached to the water stop cock.
In addition, this invention is not limited to the said embodiment, The modified example of the range which does not change the summary of this invention is also contained in this invention.
[0016]
【The invention's effect】
The flush toilet apparatus according to claim 1 , wherein the flush toilet apparatus includes a toilet body and a function unit that supplies water for cleaning to the toilet body, and is disposed outside the function unit, and receives water from the function unit. An exchangeable constant flow valve is arranged at the joint connecting the opening and the downstream end of the water supply pipe, and the pipe from the water supply inlet to the functional part is rotated downstream of the constant flow valve. As a result, a rotary joint that protrudes to the side of the flush toilet device is provided , so that if the constant flow valve becomes clogged or fails, it can be easily inspected, cleaned or replaced without disassembling the functional unit. Can do . Also, lever provided a constant flow valve in the upstream end of the swing can be L-shaped bend, normally when the L-shaped bend that is down in the vertical direction in the horizontal direction, the joint projects to the side of the functional portion Therefore, replacement and cleaning of the constant flow valve are further facilitated.
[Brief description of the drawings]
FIG. 1 is a partially omitted perspective view of a flush toilet apparatus according to a first embodiment of the present invention.
FIG. 2 is a block diagram around the water of the flush toilet apparatus.
FIG. 3 is a cross-sectional view of the joint of the flush toilet apparatus.
FIG. 4 is a perspective view of the flush toilet apparatus.
FIG. 5 is a partially omitted perspective view of a flush toilet apparatus according to a second embodiment.
FIG. 6 is a cross-sectional view of a constant flow valve used in a flush toilet apparatus according to a third embodiment.
FIG. 7 is a block diagram around the water of a flush toilet apparatus according to a conventional example.
[Explanation of symbols]
10: flush toilet device, 11: toilet body, 12: functional unit, 13: toilet lid, 14: local cleaning device, 15: toilet cleaning device, 16, 17: solenoid valve, 18, 19: vacuum break valve, 20: Branch fitting, 21: connection fitting, 22: joint, 23: joint element, 24: joint element, 25: male screw, 26: water flow portion, 27, 27a: stepped portion, 28: expanded diameter insertion portion, 29: cylindrical shape Guide part, 30: Cap nut, 31: Stopper part, 32: Flexible hose, 33: Fastening bracket, 34: O-ring, 35: O-ring groove, 36: Constant flow valve, 37: Seat flange, 38: Constant flow valve Mounting part, 39: Seat plate, 40: Coil spring, 41: Water passage, 42: Stop cock, 43: Rotary joint (rotary joint), 44: Bend, 45: Constant flow valve, 46, 47: Taper male screw, 48 : Seat plate, 49: Coil spring, 0: first water passage, 51: second water passage, 52: water passage, 53: guide rod, 54: cylindrical guide, 55: Stopper

Claims (1)

In a flush toilet apparatus having a toilet body and a functional unit that supplies cleaning water to the toilet body, the flush toilet device is disposed outside the functional unit, and includes a water supply receiving port of the functional unit and a downstream end of the water supply pipe. A replaceable constant flow valve is arranged at a joint to be connected, and a pipe from the water supply port to the functional part is rotated on the downstream side of the constant flow valve so as to protrude to the side of the flush toilet apparatus. A flush toilet apparatus provided with a rotary joint .

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