Sanitary cleaning equipment

Abstract

The present invention provides a sanitary cleaning device that can selectively and stably generate both an intermittent water flow and a continuous water flow mixed with air bubbles, without using a pump. [Solution] The nozzle 2 of the sanitary cleaning device 1 comprises a first cylindrical section 5, a second cylindrical section 6, and a lid section 7. The inlet hole 61 and air supply hole 62 of the second cylindrical section 6 communicate with the gap 21 between the first cylindrical section 5 and the second cylindrical section 6. The cross-sectional area of ​​the inlet hole 51 of the first cylindrical section 5 is smaller than the cross-sectional area of ​​the internal space above it and smaller than the cross-sectional area of ​​the through hole 72. The through hole 72 of the lid section 7 has a larger cross-sectional area towards the upper part. The sanitary cleaning device 1 switches the water flow between a first state, in which a continuous water flow is discharged while forming a gap between it and the inner circumferential surface 720 of the through hole 72, and then changes into an intermittent water flow in the space, and a second state, in which a continuous water flow mixed with air bubbles is discharged while spreading to the inner circumferential surface 720, by changing the flow rate ratio of the water flowing into the inlet holes 51 and 61.

Claims

1. A sanitary cleaning device equipped with a nozzle that discharges a stream of water towards the private parts of a seated human body, The aforementioned nozzle is A first cylindrical section having a central axis extending in one direction, A second cylindrical portion having the same central axis as the aforementioned central axis and surrounding the outer circumferential surface of the first cylindrical portion, A lid portion that closes the upper end, which is one end of the second cylindrical portion in the aforementioned direction. It is equipped with, A first inlet hole, which is a through-hole opening in that direction, is provided in a part of the first cylindrical portion in that direction. The lid portion is provided with a through-hole consisting of a through-hole that opens in one direction. A first gap is provided between the outer circumferential surface of the first cylindrical portion and the inner circumferential surface of the second cylindrical portion, with the lower end, which is the other end in the one direction, being closed. A second gap is provided between the first cylindrical portion and the lid portion, which communicates with the first gap. The first cylindrical portion is opposite the lid portion, The second cylindrical portion is provided with a second inlet hole, which is a through-hole, and an air supply hole, which is a through-hole, which are connected to the first gap. The cross-sectional area of ​​the first inlet is smaller than the cross-sectional area of ​​the internal space of the portion of the first cylindrical part above the first inlet. The cross-sectional area of ​​the first inlet is smaller than the cross-sectional area of ​​the through hole. The cross-sectional area of ​​the aforementioned through hole is larger towards the upper part. The central axis of the first inlet hole and the central axis of the through hole are located on the same straight line. The upper end of the first cylindrical portion is located above the second inlet hole, and The aforementioned sanitary cleaning device is configured to switch the water flow between at least two states, including a first state and a second state, by changing the flow rate ratio between a first flow rate and a second flow rate during operation. Here, The aforementioned first flow rate is the flow rate of water flowing into the first inlet, The aforementioned second flow rate is the flow rate of water flowing into the second inlet, In the first state, a continuous water flow is discharged from the through hole while forming a gap between it and the inner circumferential surface of the through hole, and then changes into an intermittent water flow in the space, and In the second state, a continuous stream of water containing air bubbles is discharged from the through hole after it has spread to the inner circumferential surface of the through hole. Sanitary cleaning equipment.

2. The system is equipped with a switching device for changing the flow rate ratio, The switching device changes the flow rate ratio such that the second flow rate in the second state is greater than the second flow rate in the first state. The sanitary cleaning apparatus according to claim 1.

3. The inner circumferential surface of the through hole has an angle greater than 0 degrees and less than 10 degrees with respect to the central axis of the through hole. A sanitary cleaning device according to claim 1 or 2.

4. The above at least two states are, Including the third state, In the third state, a continuous flow of water is discharged from the through hole while forming a gap between the through hole and the inner circumferential surface of the through hole, and then maintains a continuous flow in the space. A sanitary cleaning device according to claim 1 or 2.

5. The above at least two states are, Including the fourth state, In the fourth state, a water flow containing air bubbles that has spread to the inner surface of the through hole and a water flow without air bubbles that has formed a gap between itself and the inner surface of the through hole are discharged alternately and continuously from the through hole. A sanitary cleaning device according to claim 1 or 2.

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