JP2522789Y2 - Human body cleaning device - Google Patents

Description

[Detailed description of the invention] [Purpose of the invention] (Industrial application field) The present invention relates to a constant flow valve that always keeps the amount of water from a supply source to an ejection nozzle constant without being affected by the water pressure. It is used for a human body local cleaning device that uses a water pressure from a supply source to eject cleaning water from an ejection nozzle.

(Prior Art) Conventionally, as this kind of constant flow valve, one disclosed in Japanese Utility Model Laid-Open No. 57-80772 is known. This constant flow valve is
A packing made of an elastic body provided in the pipe and having a first through hole, a stopper fixed to the upstream side of the packing and having a first cutout and a second through hole, and a packing and a stopper. A gap is provided between the inner wall of the pipe and the gap, the gap and the first through-hole are provided at a contact surface between the packing and the stopper. A second notch for communication is formed, and a second through hole and a first notch are formed in a contact surface with the stopper.
A valve body in which a third through-hole is formed to allow communication between the through-hole, the first notch, and the first through-hole; and the first notch, the gap, the second notch, and the first through-hole. A first flow path that connects the downstream side of the packing and the upstream side of the stopper;
A second flow path comprising a through-hole, a third through-hole and a first through-hole, which communicates the downstream side with the upstream side of the stopper, and a downstream side comprising a first cutout, a third through-hole and a first through-hole; And a third flow path that communicates with the upstream side of the stopper. With this configuration, at normal water pressure, the valve body comes into contact with the stopper and closes the third through hole, so that the washing water flows through the first flow path and the second flow path. Since the water is pressed by the water pressure and comes into contact with the packing and the second notch is closed, the washing water flows through the second flow path and the third flow path. As described above, since the first cutout and the third through-hole are switched according to the water pressure to change the flow area, the formation of the first cutout and the third through-hole is adjusted and set. As shown in the figure, the water volume of the jet nozzle at a normal water pressure and a high water pressure is made constant.

(Problems to be Solved by the Invention) However, in the case of the above-mentioned constant flow valve, the flow path area is not varied at the time of low water pressure and is equal to the flow path area at the time of normal water pressure. There was a possibility that a sufficient amount of water could not be obtained and a comfortable feeling of use could not be obtained.

Therefore, an object of the present invention is to make it possible to obtain a sufficient amount of water even at a low water pressure.

[Effect of the invention]

(Means for Solving the Problems) The technical measures taken in the present invention in order to solve the above technical problem are the hot water stored in the hot water tank 5 by the pressure of the water supplied into the hot water tank 5. And the supply amount of the water into the hot water tank 5 is always constant by a constant flow valve 10 provided in the pipe 3 between the hot water tank 5 and the water supply source 2. In the apparatus 1 for cleaning the local part of the human body, the constant flow valve 10 is provided in the pipe 3 and has a first axial flow path 16 therein. 1 having a second flow path 17 and a third flow path 18 fixed to the upstream side of the
2: A closed bottom wall placed on the stopper 12 and an open opening on the packing 12 side are respectively provided on one end side and the other end side in the axial direction. A sixth passage is formed between the fifth passage and the inner wall of the pipe 3, wherein the one end and the side wall are connected to the fourth passage between the one end and the packing 11, respectively.
A valve body 13 that defines 19: and the valve body stretched between the packing 11 and the valve body 13
An elastic body that constantly presses the closed bottom wall of the thirteen against the stopper 12:
And that

(Operation) When the pressure from the water supply source is normal: The pressure of the water supplied to the second flow path 17 disengages the valve body 13 from the topper 12 against the urging force of the elastic body 15, The seal area of one end of the packing 12 makes the passage area of the fifth flow passage zero. Thus, the water supplied to the second flow path 17 merges with the water supplied to the third flow path 18,
The first flow path 16 is reached via the flow path 19 and the fourth flow path 20. This water pressure urges the hot water in the hot water tank 5, and the hot water is jetted from the jet nozzle 4.

When the pressure from the water supply source is higher than usual: The pressure of the water supplied to the second flow path 17 causes the valve body 13 to separate from the topper 12 against the urging force of the elastic body 15, and one end of the valve body 13 When the parts bite into the packing 12, the passage area of the fifth passage becomes zero and the passage area of the fourth passage 20 is reduced. Thus, the water supplied to the second flow path 17 merges with the water supplied to the third flow path 18 and passes through the sixth flow path 19 and the fourth flow path 20 having a reduced passage area. One flow path 16 is reached. This water pressure urges the hot water in the hot water tank 5, and the hot water is jetted from the jet nozzle 4. Since the passage area of the fourth flow passage 20 is reduced by the increased water pressure, the amount of water reaching the first flow passage 16 is the same as the above case.

When the pressure from the water supply source is lower than usual: The pressure of the water supplied to the second flow path 17 does not overcome the urging force of the elastic body 15 and continues to close the second flow path 17. Thus,
Only the power supplied to the third flow path 18 is equal to that of the sixth flow path 19 and the fourth flow path.
The first flow path 16 is reached via the flow path 20 and the fifth flow path. This water pressure urges the hot water in the hot water tank 5, and the hot water is jetted from the jet nozzle 4. Although the water pressure drops,
The amount of water reaching the first flow path 16 is the same as that in the above case, since the flow is compensated for by the increase in the passage area of the fifth flow path.

As is clear from the above description, the amount of water pumped in the hot water tank is always constant even if the water pressure fluctuates.

Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.

 First, the human body local cleaning device 1 will be described.

As shown in FIG. 1, a jet nozzle 4 is connected to the water pipe 2 via a pipe 3. On the pipe 3, there are a tank 5 for storing washing water, an on-off valve 6 for opening and closing water supply to the tank 5, an adjusting valve 7 for adjusting the ejection amount from the ejection nozzle 4 to a desired amount, and a water pressure from the water pipe 2. There is provided a constant flow valve 10 for constantly flowing a constant amount of water into the regulating valve 7 without being affected by the flow rate. Further, the tank 5 is provided with a heater 8 for heating the washing water stored in the tank 5 as hot water and a relief valve 9 for preventing a pressure increase in the tank 5. In this configuration, the washing water supplied from the water pipe 2 via the pipe 3 is jetted out of the jet nozzle 4 by the water pressure, whereby the human body part is washed.

 Next, the constant flow valve 10 will be described.

As shown in FIGS. 2 to 4, a packing 11 made of an elastic material is fixed to the inner wall of the large-diameter portion 3a in the large-diameter portion 3a of the pipe 3, and is disposed upstream of the packing 11. Side (second
A stop 12 is fixed to the inner wall of the large-diameter portion 3a and disposed on the lower side in the figure. A valve 13 is provided between the packing 11 and the stopper 12 so as to be movable in the axial direction (the second vertical direction in the drawing) and to be in contact with the packing 11 or the stopper 12. When the valve body 13 is in contact with the stopper 12, the valve body 13 does not come into contact with the packing 11, and has such a size that a gap 14 is formed. Also, packing
A spring 15 having an elastic force weaker than that of the packing 11 is disposed between the valve body 11 and the valve body 12.
It is always urged in the direction of 12 (the lower side in FIG. 2). Patkin
A through hole 16 is formed in 11 and a fifth hole is formed in stop 12.
As shown, a through hole 17 and a plurality of notches 18 are formed. A gap 19 is formed between the valve body 13 and the inner wall of the large-diameter portion 3a so as to communicate with the through hole 17 and the notch 18, and a contact surface of the valve body 13 with the packing 11 has a first surface. As shown in FIG. 6, a notch 20 is formed to allow the gap 19 and the through hole 16 to communicate with each other. This through hole 17, notch 18, gap 19, gap 14, notch
The flow path of the washing water is formed by the through hole 20 and the through hole 16.

 Next, the operation will be described.

When the pressure of the washing water from the water pipe 2 is normal,
13 is pressed against the packing 11 side (upper side in the second illustration) against the urging force of the spring 15 by this water pressure, and is in contact with the packing 11 as shown in FIG. As a result, the gap 14 is closed, and the gap 19 and the through hole 16 communicate with each other with a flow path area defined only by the notch 20. In the case of high water pressure, the valve material 13 is further pressed against the packing 11 against the urging force of the spring 15 by this water pressure and buried in the packing 11 as shown in FIG. As a result, a part of the notch 20 is closed, and the gap 19 and the through hole 16 communicate with each other with a flow path area smaller than that under normal hydraulic pressure. In the case of low water pressure, the valve 13 is pressed by the urging force of the spring 15 and is in contact with the stopper 12 as shown in FIG. As a result, the gap 19 and the through hole 16 communicate with each other with a channel area defined by the gap 14 and the notch 20, that is, a channel area larger than that under normal hydraulic pressure. As described above, since the area of the flow path communicating the gap 19 and the through hole 16 is changed in accordance with the water pressure of the washing water, a constant amount of water is always maintained without being affected by the change of the water pressure as shown in FIG. 7 can flow. As a result, it is possible to reliably obtain a desired amount of ejection adjusted by the adjustment valve 7, and to obtain a comfortable feeling in use. In particular, even when the water pressure is low, the amount of water does not become insufficient, a sufficient amount of water can be secured, and a comfortable feeling in use can be obtained.

[Effect of the invention]

As described above, according to the present invention, a constant amount of water can always be obtained regardless of whether the water pressure is higher or lower than normal. In particular, in view of the fact that the conventional constant flow valve could not obtain a constant amount of water when the water pressure was low, the effect of the present invention should be said to be enormous in practical use.

[Brief description of the drawings]

FIG. 1 is a simplified diagram of a human body local cleaning device, and FIGS.
Fig. 5 is a sectional view showing an operation state of the low flow valve according to the present invention for each water pressure, Fig. 5 is a perspective view and a plan view of a valve body, Fig. 6 is a perspective view of a stopper, and Fig. 7 is a constant flow rate of the present invention. FIG. 8 is a flow characteristic diagram of a conventional constant flow valve. 1 ... human body cleaning device, 2 ... water pipe (water supply source), 3 ...
Piping, 4 ... Spout nozzle, 10 ... Constant flow valve (flow valve), 11 ...
... Packing, 12 ... Stopper, 13 ... Valve, 14 ... Gap (fifth flow path), 15 ... Spring (elastic body), 16 ... Through hole (first flow path), 17 ... Penetration Hole (second flow path), 18... Notch (third flow path), 19... Gap (sixth flow path), 20... Notch (fourth flow path).

 ──────────────────────────────────────────────────続 き Continuation of the front page (56) Reference Jikgyo Sho 62-18787 (JP, Y1)

Claims (1)

(57) [Scope of request for utility model registration] 1. The hot water stored in the hot water tank is ejected from a jet nozzle by the pressure of the water supplied into the hot water tank, and the supply amount of the water into the hot water tank is controlled by the hot water tank. And a constant flow valve provided in the pipe between the water supply source and the human body local cleaning device so as to always be kept at a constant amount, the constant flow valve is disposed in the pipe and inside the Packing having a first flow path in the axial direction: A stopper fixed to the upstream side of the pipe and having a second flow path and a third flow path at a central portion and an outer peripheral portion, respectively, at one end and the other end in the axial direction. A closed bottom wall placed on the stopper and an open opening on the packing side are respectively provided, and a fourth flow path is cut out from the one end side on the side wall. Each side wall is the packing 5 which connects with the fourth flow path between the
A valve element defining a sixth passage between the flow path and the inner wall of the pipe: and an elasticity stretched between the packing and the valve element to constantly press the closed bottom wall of the valve element against the stopper. Body: A human body cleaning device characterized by comprising: