JP4211544B2 - Hot water cleaning apparatus and nozzle cleaning method - Google Patents

Description

The present invention relates to a warm water cleaning apparatus and a nozzle cleaning method that are provided in a toilet and cleans a human body with warm water, and more particularly to a warm water cleaning apparatus having a nozzle cleaning mechanism and a nozzle cleaning method .

[1] A warm water cleaning apparatus that cleans a human hip with warm water is configured to jet hot water upward from the tip of a nozzle to clean the hip. This nozzle is normally retracted in a housing such as a toilet seat box or a low tank cover, and advances to protrude into the toilet bowl when the buttock is washed. In addition to the hydraulic cylinder system, a mechanism for mechanically moving the nozzle by a transmission belt or the like is used as the nozzle advancement mechanism.
[2] In order to wash away the dirt adhering to the nozzle, a mechanism for pouring water onto the nozzle is widely adopted.

  In JP-A-2002-364055, in a hydraulic cylinder type cleaning nozzle, water is ejected upward from the tip of the nozzle with the nozzle slightly protruded, and water is supplied by a water splash plate disposed above the nozzle. The thing which bounces back and makes this bounce water splash on a nozzle is described.

In Japanese Patent Application Laid-Open No. 2002-275993, in a hot water cleaning apparatus having a nozzle of a type that moves forward and backward by a transmission belt, water is poured onto the base end side of the nozzle in a protruding state, and the entire nozzle is cleaned with this water. What is configured as described above is described.
JP 2002-364055 A JP 2002-275993 A

  In the above hydraulic cylinder type nozzle, water cannot be poured over the entire nozzle, and the proximal end side of the nozzle cannot be washed.

  Further, in any of the above types of nozzles, nozzle cleaning pours water on the nozzles, and the cleaning power is weak. In addition, when water is sprayed strongly on the nozzle, the water is scattered around.

An object of the present invention is to provide a warm water cleaning apparatus and a nozzle cleaning method that can sufficiently clean the entire nozzle, and that do not splash water around the nozzle even if the nozzle is strongly cleaned. .

The hot water cleaning apparatus of the present invention includes a nozzle that moves forward and backward so as to be able to adopt a use posture in which the human buttock is washed by protruding from the housing on the rear upper surface of the toilet bowl, and a retracted posture retracted into the housing In the apparatus, a case surrounding the nozzle in the retracted position, nozzle cleaning water supply means for supplying water for cleaning the nozzle into the case , and a rear end of the nozzle, and the case And a water supply pipe inserted through an opening provided on the rear surface, a flange is provided at the rear end of the nozzle, and an O-ring is mounted on the rear surface of the flange. When the O-ring is retracted until it comes into contact with the rear surface of the case, the O-ring is brought into close contact with the rear surface of the case, and the opening is closed in a watertight manner .
The nozzle cleaning method of the present invention includes a nozzle that moves forward and backward so as to be able to adopt a use posture that protrudes from a housing on the upper surface of the rear part of the toilet and cleans the human buttock, and a retracted posture that is retracted into the housing, and a front end surface Has a case main body serving as a nozzle advancement opening opened forward, a lid covering the nozzle advancement opening so as to be openable and closable, a case surrounding the nozzle in the retracted position, and cleaning the nozzle in the case A method of cleaning the nozzle in a hot water cleaning apparatus comprising nozzle cleaning water supply means for supplying water for performing the operation when the nozzle is in the retracted position and the lid is closed. Water is poured into the case from a washing water supply means, and the nozzle is immersed and washed.

  In such a hot water cleaning apparatus of the present invention, the nozzle is cleaned in a state where the nozzle is retracted in the case. It can be washed sufficiently and does not scatter water around it. It is also possible to clean the entire nozzle.

  In one embodiment of the present invention, water is stored in the case, and soaking is performed in which the nozzle is immersed in water. Thereby, the dirt adhering to the nozzle can be lifted and removed. In this case, specifically, the front part of the case is provided with an opening for the protrusion of the nozzle, and a cover is provided that closes the opening and allows water storage in the case. Is preferable.

  In another aspect of the present invention, the case includes a discharge port for cleaning waste water, and the cleaning water supply means is configured to spray nozzles to perform nozzle cleaning.

  In this case, the nozzle can be sufficiently washed by spraying water strongly on the nozzle or pouring water for a sufficiently long time. In addition, since the nozzle is retracted in the case, even if water is strongly blown to the nozzle, the splashed water does not splash outside.

  In the present invention, a cleaning chemical may be supplied into the case. Thereby, a nozzle can be wash | cleaned more strongly, and it can be made clean and hygienic. This cleaning chemical may be contained in water for immersing and washing the nozzle, or may be sprayed onto the nozzle. In the latter case, since the nozzle is surrounded by the case, the cleaning chemical does not splatter outside.

  In one embodiment of the present invention, the case is provided with a water outlet, and a cap is detachably attached to the outlet.

  When the cap is attached and the discharge port is closed, water can be stored in the case. When the cap is removed, the nozzle can be cleaned by spraying water continuously. In this way, it can be used for both pickling and spraying by attaching and detaching the cap.

  If a medicine container is provided in the cap and the medicine is placed in the medicine container when the cap is mounted, the medicine can be contained in the water in the case.

  In order to prevent the dirty part from being touched directly by hand, and to facilitate the attachment / detachment of the cap, it is preferable to provide a grip on the cap.

According to the hot water cleaning apparatus and the nozzle cleaning method of the present invention, the entire nozzle can be sufficiently cleaned, and water is not scattered around.

  Hereinafter, embodiments will be described with reference to the drawings.

  Fig.1 (a) is a side view of the toilet seat box provided with the warm water washing apparatus which concerns on 1st Embodiment, FIG.1 (b) is a perspective view of the case for nozzle storage in this toilet seat box, Fig.2 (a) , (B), (c) are configuration diagrams of the nozzle. 3A and 3B are longitudinal sectional views of the front portion of the case showing the open / closed state of the lid, and FIG. 4 is a cleaning process diagram.

  A toilet seat 2 and a toilet lid 3 are attached to a toilet seat box 1 as a housing installed on the rear upper surface of the western-style toilet bowl so as to be rotatable in the vertical direction. As a housing, a low tank cover may be employed instead of the toilet seat box.

  A case 10 is installed in the toilet seat box 1, and nozzles 20, 20 are installed in the case 10. The front part of the case 10 is arranged to face the toilet bowl. Nozzle cleaning water is supplied from the hose 14 into the case 10.

  The case 10 is mainly composed of a case body 11 having a substantially rectangular tube shape with a rear surface 11c closed and a lid 12. The front end surface of the case main body 11 is a nozzle advancement opening 11a that opens forward, and the lid 12 covers the nozzle advancement opening 11a.

  Further, the front lower surface of the case main body 11 is a discharge port 11b that opens downward. The lid 12 has an L-shaped side view shape, and the lid 12 covers the discharge port 11b.

  The lid 12 is connected to the motor 13 via a support shaft 12a, and as shown by the solid line in FIG. 3A, the lid 12 is suspended from the support shaft 12a and closes the nozzle advance port 11a and the discharge port 11b. And the two-dot chain line 12 ′ in FIG. 3A and the opened posture as shown in FIG. 3B are rotated in the vertical direction (arrow θ direction).

  The nozzle 20 has a cylindrical shape, and a pipe 21 is integrally connected to the rear end, and a water supply hose 28 is connected to the rear end of the pipe 21. The pipe 21 and the nozzle 20 communicate with each other.

  A water jet 22 is provided on the upper surface of the tip of the nozzle 20. A flange 23 is provided at the rear end of the nozzle 20, and an O-ring 24 is attached to the rear surface of the flange 23.

  The pipe 21 is inserted through an opening 11 d provided in the rear wall 11 c of the case body 11. When the flange 23 is retracted to the retreat limit where it abuts against the rear wall 11c, the O-ring 24 comes into close contact with the rear wall 11c, and the opening 11d is closed in a watertight manner.

  A rack 25 is engraved on the side surface of the pipe 21, and a plurality of pairs of guide rollers 26 that mesh with the rack 25 are arranged. The pipe 21 is sandwiched between the guide rollers 26 and can advance and retreat in the longitudinal direction. Some of the guide rollers 26 are drive rollers to which a motor 27 is connected. The pipe 21 and the nozzle 20 are moved forward by the forward rotation of the motor 27, and the pipe 21 and the nozzle 20 are moved backward by the reverse rotation of the motor 27.

  The operation of the hot water cleaning apparatus configured as described above will be described.

  By operating the buttock cleaning switch, the motor 13 rotates forward and the lid 12 opens, and the motor 27 rotates forward and the pipe 21 and the nozzle 20 move forward. Moreover, warm water is supplied to the nozzle 20 via the hose 28, and warm water is ejected from the ejection port 22. By operating the stop switch, the hot water supply is stopped, the motor 27 is reversely rotated, and the nozzle 20 is moved backward. Thereafter, the motor 13 reverses and the lid 12 is closed.

  When a nozzle cleaning switch (not shown) is operated with the lid 12 closed, the following nozzle cleaning is started.

  In this cleaning, water is poured into the case 10 through the hose 14 and the case 10 is filled with water. In this state, the nozzle 20 is immersed and washed every predetermined time. After a predetermined time has elapsed, the lid 12 is opened, the water in the case 10 is allowed to flow into the toilet bowl, and then the lid 12 is closed.

  Thus, the nozzle can be sufficiently washed by immersing and washing the nozzle.

  In addition, said pickling washing may be repeated several times as needed. Further, after the cleaning, the nozzle 20 may be advanced before closing the lid 12 so that the cleaning result can be visually confirmed.

  1-4, the nozzle is cleaned only with water, but it may be cleaned with a chemical solution as shown in FIG.

  In FIG. 5, a three-way valve 31 is connected to the case body 11 via a liquid supply pipe 30 so that water (tap water) and a chemical solution can be supplied into the case 11.

  In FIG. 5, the liquid supply pipe 30 is connected to the upper surface of the case body 11 in order to make it easy to pour water onto the nozzle 20, but is not limited thereto. The other structure of the hot water cleaning apparatus of FIG. 5 is the same as that of the hot water cleaning apparatus of FIGS.

  The operation of the hot water cleaning apparatus of FIG. 5 is as follows.

  When the nozzle cleaning switch is operated in a state where the lid 12 is closed, the chemical solution and water are supplied into the case 10, and after waiting for a predetermined time, the nozzle 20 is immersed in the chemical solution and washed. Thereafter, the lid 12 is opened, and the liquid in the case 11 is discharged to the toilet bowl.

  Thereafter, in the first example, water is poured onto the nozzle 20, and after the sink rinsing of the nozzle 20 is performed, the lid 12 is closed.

  In the second example, this rinse is a reservoir rinse. That is, after the lid 12 is closed, water is poured into the case 10 to fill the case 10 with water, then the lid 12 is opened and drained, and then the lid 12 is closed. This rinsing is repeated a plurality of times as necessary.

  6 and 7 show an embodiment in which the nozzle 20 is poured and washed.

  In this embodiment, a water injection nozzle 41 is provided at the rear of the case body 11. Water is continuously sprayed from the spray nozzle 41 toward the nozzle 20 to clean the nozzle 20. In addition, in order to discharge | emit this washing waste_water | drain continuously, the flat cover 40 is provided instead of the cover 12. FIG. The lid 40 can close only the nozzle advancement port 11a of the case body 11, and the discharge port 11b is always open. The lid 40 is attached to be swingable via a support shaft 40a. When the nozzle 20 moves forward, it is pushed by the nozzle 20 and the lid 40 opens as shown by a two-dot chain line in FIG.

  The spray nozzle 41 may always spray water in the same direction, but in this embodiment, the spray nozzle 41 is configured to continuously change the spray direction.

  That is, as shown in FIG. 7, the hose 14 is connected to the inflow side of the switching valve 42 that switches the flow path by the motor 42m. The outflow side of the switching valve 42 is branched into three flow paths and is connected to the injection ports 43, 44, and 45, respectively. When the motor 42m operates, water is repeatedly supplied in the order of the injection ports 43, 44, 45, and the water injection direction changes continuously. Thereby, the nozzle 20 is washed uniformly.

  FIG. 8 shows an embodiment provided with a mechanism 50 for changing the injection direction of the injection water from the hose 14 by the guide plate 53 in order to perform cleaning more strongly. A step motor 51 is installed on the upper side of the case body 11, and a drive shaft 52 that penetrates the case 11 is connected to the motor 51. Two guide plates 53 are fixed to the drive shaft 52. The guide plate 53 is substantially orthogonal. The guide plate 53 is reciprocated in the direction of the arrow R by the step motor 51, whereby the jet direction of the jet water from the hose 14 is switched alternately to the left and right.

  In the embodiment of FIGS. 9 and 10, a cap 60 is detachably attached to the discharge port 11 b of the case body 11 with the lid 40.

  The cap 60 includes a container-shaped cap main body 61 whose upper surface is a medicine container 63, and a grip 62 provided continuously to the cap main body 61. When the cap body 61 is attached to the discharge port 11b as shown in FIG. 9, water can be stored in the case, and the nozzle 20 can be immersed and washed. When the cap 60 is attached, the medicine may be put in the medicine container 63. This chemical solution is dissolved in the water in the case, and the nozzle 20 is washed with the chemical solution.

  Since the cap 60 includes the grip 62, it is very easy to attach and detach.

  The above embodiment is an example of the present invention, and the present invention may have a configuration other than the above.

(A) The figure is a side view of the toilet seat box provided with the hot water washing apparatus which concerns on 1st Embodiment, (b) The figure is a perspective view of the case in this toilet seat box. It is a block diagram of a nozzle. It is a longitudinal cross-sectional view of the front part of the case showing the open / closed state of the lid. FIG. (A) A figure is sectional drawing which shows another embodiment, (b) A figure is a cleaning process figure. It is sectional drawing which shows another embodiment. It is a horizontal sectional view of the injection nozzle part of FIG. It is a block diagram of another injection direction change mechanism. It is sectional drawing which shows different embodiment. (A) is an exploded view showing the structure of FIG. 9, and (b) is a perspective view of the cap.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Toilet seat box 10 Case 11 Case main body 11a Nozzle advance port 11b Discharge port 12 Cover 13 Motor 20 Nozzle 21 Pipe 24 O-ring 25 Rack 26 Guide roller 31 Three-way valve 41 Injection nozzle 53 Guide plate 60 Cap

Claims (8)

In the hot water washing apparatus provided with a nozzle that moves forward and backward so as to be able to adopt a use posture that protrudes from the housing on the rear upper surface of the toilet bowl and cleans the human buttock and a retracted posture that is retracted in the housing,
A case surrounding the nozzle in the retracted position;
Nozzle cleaning water supply means for supplying water for cleaning the nozzle into the case ;
A water supply pipe connected to the rear end of the nozzle and inserted through an opening provided on the rear surface of the case ;
A flange is provided at the rear end of the nozzle, and an O-ring is attached to the rear surface of the flange.
The hot water cleaning apparatus is configured such that when the flange moves backward until it comes into contact with the rear surface of the case, the O-ring comes into close contact with the rear surface of the case and the opening is closed in a watertight manner . In Claim 1 , the opening for protrusion of the nozzle is provided in the front part of the case,
A hot water cleaning apparatus characterized in that a lid is provided that closes the opening to allow water storage in the case. In claim 1, the case is provided with a drainage outlet for cleaning the nozzle,
The hot water cleaning apparatus according to claim 1, wherein the nozzle cleaning water supply means sprays water onto the nozzle to perform nozzle cleaning. In any one of claims 1 to 3, hot water cleaning apparatus characterized by having means for supplying the cleaning solution within the case. In Claim 1, the case is provided with a water outlet,
Hot water washing apparatus comprises a removable cap to the discharge port, said cap, warm water washing device, characterized in der Rukoto which closes the discharge port when worn. 6. The hot water cleaning apparatus according to claim 5 , wherein a grip is connected to the cap. The hot water cleaning apparatus according to claim 5 or 6 , wherein the cap is provided with a medicine container. A nozzle that protrudes forward and backward so as to be able to adopt a use posture that is protruding from the housing on the rear upper surface of the toilet bowl and cleaning the human buttock, and a retracted posture that is retracted into the housing;
A case body having a nozzle advancement opening whose front end face opens forward, and a lid covering the nozzle advancement opening so as to be openable and closable, and a case surrounding the nozzle in the retracted position;
Nozzle cleaning water supply means for supplying water for cleaning the nozzle into the case;
A method for cleaning the nozzle in a hot water cleaning apparatus comprising:
A nozzle cleaning method comprising: pouring water into the case from the nozzle cleaning water supply means in a state where the nozzle is in the retracted position and the lid is closed, and the nozzle is immersed and washed. .

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