JPS6218787Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention relates to a constant flow valve in a private parts cleaning device that utilizes water pressure to eject cleaning water at a constant and stable pressure even when the water pressure fluctuates. It is.

Conventional private parts washing devices that use water pressure assume that normal water pressure is approximately 1 to 3 kg/cm ² and use that pressure to determine the jetting pressure of washing water. There are places where the pressure is extremely high (approximately 5 to 7 kg/cm ² ), and there are also cases where the water pressure suddenly fluctuates and the water pressure rises to extremely high pressure.

In this case, the pressure of the ejected water was strong, which sometimes gave the user an uncomfortable feeling. In order to overcome these drawbacks, the present invention provides a constant flow valve in the washing water supply device so that the pressure of the ejected water is always constant even when the water pressure fluctuates.

The following explanation will be based on the embodiments shown in Figures 1 to 3. 1 is a cleaning tank in the private part cleaning device, 2 is a nozzle, 3 is a heating device in the cleaning tank, 4 is a relief valve, and 5 is a drain. be. 6 is a water supply device, 7 is an on-off valve, 8 is a wash water throttle valve, and 9 is a water supply lever. 10 is a water main pipe, 10a is a water supply pipe to the water supply device, 20 is a constant flow valve of the present invention,
Packing 21 made of elastic material, water flow control valve 22
and a stopper 23. 22 on the contact surface of the water flow control valve 22 with the packing 21.
A, 22b are provided with V-shaped gaps for running water, and a through hole 22c is provided in the center. As shown in the figure, the stopper 23 has a hole 23g passing through the center.
The support parts 23a, 23b, . . . are fixed to the inner diameter of the constant flow valve 20 and hold the water flow control valve 22. 2
4a shows the water pressure at normal times, and 24b shows the water pressure at high water pressures. Reference numeral 25 indicates cleaning water sent from the constant flow valve to the cleaning tank through the throttle valve.

To explain its function in the above configuration, water is supplied from the water main 10 through the water distribution pipe 10a to the constant flow valve 20, but when the water pressure is normal, the through hole 23g of the stopper 24a, the water flow control valve 22 The through hole 22c and the outer periphery of the water flow control valve and 22a, 22
The water passes through the packing 21 through gaps such as b, and is supplied to the cleaning tank 1 as cleaning water 25. When the water pressure increases, the water flow control valve changes from a state in which it is in light contact with the packing 21 of the cleaning water supplied to the constant flow valve 20 via the water distribution pipe 10a, to a state in which it comes into strong contact depending on the situation where the pressure increases. The V-shaped water gaps 22a and 22b are wedged into the packing made of an elastic material, and the water gaps 22a and 22b are buried in the packing. The cleaning water flowing through the water gap gradually decreases as the water pressure increases, and at high water pressure 24b, the amount of cleaning water flows only through the through holes 23g and 22c in the center of the stopper 23 and the water volume control valve 22.

Now, the pressure at normal water pressure is P ₁ , the flow rate through the center through hole, outer periphery, and water gap of the water flow control valve is _Q1 , and the pressure at high water pressure is P2, and the flow through the center of the water flow control valve at that time is _Q1 . If the flow rate flowing through the hole is Q ₂ , by setting Q ₁ =Q ₂ , it is possible to always obtain stable cleaning water, that is, the pressure of the fountain in the nozzle 2 even if the pressure fluctuates. For this
Even if P ₁ → P ₂ changes, the gap 22 of the water flow control valve 22
By determining the V-shaped shapes of a and 22b and the clearance between the water flow control valve 22 and the inner diameter of the constant flow valve, cleaning will be ejected from the nozzle 2 of the cleaning tank even if the water pressure changes and changes from P ₁ to P ₂ . Water pressure remains constant. P ₂ →
Needless to say, when the water pressure changes from _P1 and high water pressure to normal water pressure, the water flow control valve 22 returns to the normal water pressure state due to the repulsive force due to the elasticity of the packing.

As described above, according to the present invention, even if the water pressure changes from normal water pressure to high water pressure using a constant flow valve with an extremely simple structure, the clearance of the constant flow valve changes accordingly and the flow rate changes, so the nozzle This is an extremely practical device that can provide a comfortable private part cleaning device that does not make the user feel uncomfortable since the pressure of the water that is ejected from the water is constant.

[Brief explanation of the drawing]

Fig. 1 is a simple system diagram of the private parts washing device, Fig. 2 is an enlarged sectional view of the constant flow valve of the present invention, where A shows the state at normal water pressure, and B shows the state at high water pressure.
FIG. 3 is a perspective view of the water flow control valve and stopper. 20: constant flow valve, 21: packing, 22: water flow control valve, 22a, 22b: approximately V-shaped water gap, 23: stopper.

Claims (1)

[Scope of utility model registration request] In a water supply channel of a local cleaning device that spouts cleansing water using water pressure, a packing made of an elastic body fixed inside the water supply channel, provided on the upstream side of the packing, and connected to the inner surface of the water channel and the packing. a flow rate regulating valve having a first water flow passage formed on a contact surface and further having a through hole substantially in the center;
A constant flow valve for a private parts cleaning device, characterized in that the constant flow valve has a holding part that has a water flow passage and holds the flow rate regulating valve, and controls the water flow gap according to a change in the pressure of the fluid flowing through the water supply channel. .