JP2012158961A - Sanitary washing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sanitary washing device capable of more efficiently washing a washing nozzle and keeping it more sanitary.SOLUTION: The sanitary washing device includes the washing nozzle having a water discharge port from which water is jetted to wash the body of a user, a casing capable of storing the washing nozzle, and a nozzle washing part for washing the washing nozzle. The nozzle washing part discharges washing water toward an external appearance face of the washing nozzle when the washing nozzle is shifted from a stored state of being stored in the casing to a moved-out state to wash the body or shifted from the moved-out state to the stored state. A state of discharging the washing water toward the external appearance face depends on the longitudinal position of the external appearance face.

Description

  Aspects of the present invention generally relate to a sanitary washing device, and more specifically, to a sanitary washing device for washing a body such as a “butt” of a user sitting on a Western-style sitting toilet with water.

  In order to keep the cleaning nozzle hygienic, for example, there is a sanitary cleaning device having a function of cleaning the external surface of the cleaning nozzle as the cleaning nozzle advances and retreats during use. Thereby, for example, dirt stuck to the external surface of the washing nozzle can be washed away cleanly.

  As such a device, for example, there is a human body local cleaning device having cleaning water spraying means having a plurality of spray ports for spraying cleaning water from above the cleaning nozzle in the standby position toward the upper surface and the side surface of the cleaning nozzle. (Patent Document 1). In addition, there is a human body cleaning device in which cleaning water given pulsation by pulsation generating means is supplied to a nozzle cleaning flow path to clean the cleaning nozzle (Patent Document 2).

  In the apparatuses described in Patent Documents 1 and 2, the water discharge state of the cleaning water is constant with respect to any appearance surface of the cleaning nozzle. For this reason, it is possible to clean the part that is easily contaminated. However, depending on the position at which the appearance surface of the cleaning nozzle is difficult to be stained, there is a possibility that the optimal cleaning water is not discharged. That is, there is room for improvement in that efficient cleaning is performed according to the position of the external surface of the cleaning nozzle.

JP 2009-7849 A JP 2009-243266 A

  The present invention has been made based on the recognition of such a problem, and an object of the present invention is to provide a sanitary washing apparatus that can wash the washing nozzle more efficiently and keep it more hygienic.

  1st invention has a spout, the nozzle which wash | cleans a user's body by injecting water from the said spout, the casing which can accommodate the said wash nozzle, and the nozzle washing | cleaning which wash | cleans the said wash nozzle And the nozzle cleaning unit moves from the stored state stored in the casing to the advanced state for cleaning the body or from the advanced state to the stored state. The sanitation is characterized in that the cleaning water is discharged toward the external surface of the cleaning nozzle when being discharged, and the water discharge state of the discharged water to the external surface differs depending on the position of the external surface in the front-rear direction. It is a cleaning device.

  According to this sanitary washing device, the water discharge state with respect to the external surface of the cleaning nozzle of the cleaning water discharged from the nozzle cleaning unit varies depending on the position of the external surface of the cleaning nozzle in the front-rear direction. Therefore, the water discharge state can be made different between the appearance surface that is easily contaminated and the appearance surface that is relatively difficult to be stained. Thereby, according to the position of the front-back direction of the external surface of a washing nozzle, a washing nozzle can be washed more efficiently and can be kept more hygienic. Therefore, the washing nozzle which has a higher hygiene surface can be provided.

  Further, in a second aspect based on the first aspect, the nozzle cleaning section has a water discharge section for discharging the cleaning water, and a water discharge angle with respect to the external surface of the wash water discharged from the water discharge section is: The sanitary washing apparatus is characterized in that it differs depending on the position of the external surface in the front-rear direction.

  According to this sanitary washing device, the appearance surface that is likely to get dirty with relatively simple operation of changing the water discharge angle with respect to the appearance surface of the cleaning nozzle of the wash water discharged from the water discharge portion, and relatively less likely to get dirty. The water discharge state can be made different between the appearance and the surface. Accordingly, the cleaning nozzle can be more efficiently cleaned and more hygienic according to the position in the front-rear direction of the appearance surface of the cleaning nozzle with a simpler operation.

  Moreover, 3rd invention is a sanitary washing apparatus characterized by the angle with respect to the said external appearance surface of the said nozzle cleaning part differing in 2nd invention according to the position of the front-back direction of the said external appearance surface.

  According to this sanitary cleaning device, the angle of the nozzle cleaning unit with respect to the appearance surface of the cleaning nozzle varies depending on the position in the front-rear direction of the appearance surface of the cleaning nozzle, and the appearance surface that is easily contaminated with a simple operation. The water discharge state can be made different from the appearance surface that is relatively difficult to get dirty. Accordingly, the cleaning nozzle can be more efficiently cleaned and more hygienic according to the position in the front-rear direction of the appearance surface of the cleaning nozzle with a simpler operation. Furthermore, when the water discharger is fixed to the nozzle cleaning unit, the water discharger can change the angle together with the nozzle cleaning unit. Therefore, it is not necessary to provide a complicated structure or mechanism for changing the angle of only the water discharger. Thereby, the effect mentioned above can be acquired with a simpler structure. Moreover, it can be set as the structure which changes a water discharge angle with respect to the external appearance surface of a washing nozzle by changing an angle separately, respectively. In this case, since the angles of both the nozzle cleaning unit and the water discharge unit can be changed, finer angle adjustment can be performed in accordance with the appearance surface of the cleaning nozzle.

  According to a fourth aspect of the present invention, in the second or third aspect, the water discharge angle of the cleaning water discharged toward the first external surface of the cleaning nozzle is greater than that of the first external surface. The sanitary washing device is characterized in that it is larger than the water discharge angle of the wash water discharged toward the second appearance surface located on the rear end side of the nozzle.

  According to this sanitary cleaning device, the water discharge angle of the cleaning water discharged toward the outer surface of the front end of the cleaning nozzle, which is relatively easy to get dirty, is on the rear end side of the cleaning nozzle, which is relatively hard to get dirty. It is larger than the discharge angle of the wash water discharged toward the external surface. Therefore, the cleaning water discharged from the nozzle cleaning unit strikes the outer appearance surface on the front end side more strongly than the outer appearance surface on the rear end side of the cleaning nozzle. For this reason, when cleaning the external surface on the tip side of the cleaning nozzle, it is in a water discharge state in which dirt attached to the external surface can be easily removed. Therefore, the nozzle cleaning unit can cleanly clean the appearance surface on the tip side of the cleaning nozzle that is relatively easily contaminated.

  On the other hand, when cleaning the external surface on the rear end side of the cleaning nozzle, the cleaning water does not hit as strongly as the external surface on the front end side, and is in an appropriate water discharge state. Furthermore, since the water discharge angle of the cleaning water discharged toward the outer surface of the cleaning nozzle is smaller than the water discharge angle of the cleaning water discharged toward the outer surface of the cleaning nozzle, the cleaning nozzle The cleaning water that has landed on the external surface on the rear end side flows more easily to the front end side of the cleaning nozzle than when it landed on the external surface on the front end side of the cleaning nozzle. As a result, it is possible to supplement the cleaning of the appearance surface on the front end side of the cleaning nozzle that is relatively easily contaminated.

  Further, a fifth invention is the invention according to any one of the second to fourth inventions, wherein the cleaning nozzle is shifted from the housed state to the advanced state while transitioning to a posture in which an angle of the axis of the cleaning nozzle with respect to a horizontal plane is increased. This is a sanitary washing device characterized by changing to

  According to this sanitary washing apparatus, the washing nozzle changes from the housed state to the advanced state while changing to a posture in which the angle of the axis of the washing nozzle with respect to the horizontal plane is increased. Therefore, the height of the cleaning nozzle in the housed state can be further reduced. For this reason, the height of the sanitary washing device can be kept lower, and the sanitary washing device can be made compact.

  In addition, a sixth aspect of the present invention is the method according to any one of the second to fifth aspects, wherein the nozzle cleaning unit is provided on a front end side of the cleaning nozzle in the housed state, and the water discharge unit includes the cleaning nozzle The sanitary washing device is characterized in that the water discharge angle when in the housed state is vertical.

  According to this sanitary washing device, the nozzle washing part is provided on the tip side of the washing nozzle in the housed state. Therefore, when the cleaning nozzle moves back and forth, the rear end side of the cleaning nozzle passes through the nozzle cleaning unit. Further, when the cleaning nozzle is in the housed state, the water discharge angle with respect to the appearance surface of the cleaning nozzle of the cleaning water discharged from the water discharge portion is vertical. Therefore, the nozzle cleaning unit can discharge the cleaning water more strongly at a distance closer to the rear end side as well as the front end side of the cleaning nozzle. Thereby, the sanitary washing apparatus can be made compact.

  Further, when the cleaning nozzle advances and retreats with an angle change, the nozzle cleaning unit can be fixed to, for example, a casing. Then, for example, by using a general nozzle cleaning chamber or the like as the nozzle cleaning unit, the cleaning nozzle can be more efficiently cleaned and more hygienic according to the position of the appearance surface of the cleaning nozzle in the front-rear direction. it can.

  In addition, in a seventh aspect based on any one of the second to sixth aspects, the trajectory drawn by the tip of the cleaning nozzle is a curved trajectory that avoids contact of the cleaning nozzle with the buttocks of the user. And a linear trajectory for the cleaning nozzle to reach the advanced state, and the nozzle cleaning unit starts discharging the cleaning water when the tip portion advances after the second half of the curved trajectory. This is a sanitary washing device.

  According to this sanitary washing device, the nozzle washing unit starts discharging the washing water when the tip of the washing nozzle advances after the second half of the curved track. Therefore, there is no need to change the water discharge angle or water discharge distance more greatly. Thereby, generation | occurrence | production of washing water scattering can be suppressed and washing water can be discharged more stably.

  According to the aspect of the present invention, a sanitary washing apparatus is provided that can wash the washing nozzle more efficiently and keep it more hygienic.

It is a perspective schematic diagram showing the toilet apparatus provided with the sanitary washing apparatus concerning embodiment of this invention. It is a cross-sectional schematic diagram for demonstrating the outline of the operation | movement which wash | cleans the washing nozzle of this embodiment. It is a cross-sectional schematic diagram for demonstrating the outline of the other operation | movement which wash | cleans the washing nozzle of this embodiment. It is a perspective schematic diagram which illustrates the nozzle unit of this example. It is a perspective schematic diagram showing the nozzle washing | cleaning part of this example. It is a plane schematic diagram which illustrates the track of the washing nozzle of this example. It is a cross-sectional schematic diagram for demonstrating the operation | movement which wash | cleans the washing nozzle of this example. It is a perspective schematic diagram which illustrates the nozzle washing | cleaning part of this example. It is a cross-sectional schematic diagram for demonstrating the operation | movement which wash | cleans the washing nozzle of this example.

Embodiments of the present invention will be described below with reference to the drawings. In addition, in each drawing, the same code | symbol is attached | subjected to the same component and detailed description is abbreviate | omitted suitably.
FIG. 1 is a schematic perspective view showing a toilet apparatus provided with a sanitary washing device according to an embodiment of the present invention.

  The toilet device shown in FIG. 1 includes a Western-style seat toilet (hereinafter simply referred to as “toilet” for convenience of explanation) 800 and a sanitary washing device 100 provided thereon. The sanitary washing device 100 includes a casing 400, a toilet seat 200, and a toilet lid 300. The toilet seat 200 and the toilet lid 300 are pivotally supported with respect to the casing 400 so as to be freely opened and closed.

  Inside the casing 400 is incorporated a body washing function unit that implements washing of a user who sits on the toilet seat 200 such as a “butt”. Further, for example, the casing 400 is provided with a seating detection sensor 404 that detects that the user has sat on the toilet seat 200. When the seating detection sensor 404 detects a user sitting on the toilet seat 200, when the user operates an operation unit (not shown) such as a remote controller, the cleaning nozzle 473 can be advanced into the bowl 801 of the toilet 800. it can. In the sanitary washing apparatus 100 shown in FIG. 1, the washing nozzle 473 has entered the bowl 801.

  One or a plurality of water discharge ports 474 are provided at the tip of the cleaning nozzle 473. Then, the washing nozzle 473 can wash water such as a “butt” of a user sitting on the toilet seat 200 by ejecting water from a water discharge port 474 provided at the tip of the washing nozzle 473. In the present specification, the term “water” includes not only cold water but also warm hot water.

FIG. 2 is a schematic cross-sectional view for explaining the outline of the operation for cleaning the cleaning nozzle of this embodiment.
2A is a schematic cross-sectional view showing a state in which the nozzle cleaning unit cleans the outer surface of the front end side of the cleaning nozzle, and FIG. 2B is a rear end side of the cleaning nozzle in the nozzle cleaning unit. It is a cross-sectional schematic diagram showing the state which wash | cleans the external appearance surface. 2 (a) and 2 (b) are schematic cross-sectional views taken along a cut surface along the axis 473c of the cleaning nozzle 473, that is, the cut surface AA shown in FIG.

  The sanitary washing device 100 according to the present embodiment includes a nozzle cleaning unit 510 that cleans or cleans the cleaning nozzle 473. The nozzle cleaning unit 510 includes a water discharge unit 515 that discharges cleaning water. The nozzle cleaning unit 510 can clean the external surface of the cleaning nozzle 473 by discharging the cleaning water from the water discharging unit 515 to the external surface of the cleaning nozzle 473 when the cleaning nozzle 473 is moving forward and backward.

  As shown in FIGS. 2A and 2B, the cleaning nozzle 473 advances while changing to a posture in which the angle θ1 of the shaft 473c of the cleaning nozzle 473 with respect to a horizontal plane 850 such as the upper surface of the toilet bowl 800 is increased. To do. In other words, the cleaning nozzle 473 advances while making a transition to a posture in which the cleaning nozzle 473 stands up from the stored state. On the other hand, the cleaning nozzle 473 moves backward while changing to a posture in which the angle θ1 of the shaft 473c of the cleaning nozzle 473 with respect to the horizontal plane 850 becomes small. That is, the cleaning nozzle 473 advances from the casing 400 or moves back to the casing 400 with a change in angle.

  In the present embodiment, the water discharge state with respect to the external surface of the cleaning nozzle 473 of the cleaning water discharged from the nozzle cleaning unit 510 varies depending on the position of the external surface of the cleaning nozzle 473 in the front-rear direction. Here, in the present specification, the “water discharge state” means, for example, a water discharge angle with respect to the external surface of the cleaning nozzle 473, a water discharge distance to the external surface of the cleaning nozzle 473, an amount of water discharged to the external surface of the cleaning nozzle 473, It shall refer to the state of pulsating water discharge and foam water discharge. Further, in the present specification, the direction is the direction parallel to the direction of the shaft 473c of the cleaning nozzle 473 or the forward and backward direction, and the front is “front” when viewed from the user sitting on the toilet seat 200, and the seat is seated on the toilet seat 200. From the user's point of view, the rear is the “rear”.

  In the cleaning operation illustrated in FIG. 2, the cleaning nozzle 473 advances and retreats with a change in angle. Therefore, the water discharge angle θ <b> 2 with respect to the external surface of the cleaning nozzle 473 of the cleaning water discharged from the water discharging unit 515 of the nozzle cleaning unit 510 is determined by the cleaning operation. It differs depending on the position in the front-rear direction of the external surface of the nozzle 473. For example, as shown in FIG. 2A, the appearance of the cleaning nozzle 473 for the cleaning water discharged from the water discharger 515 in the case of cleaning the outer appearance surface (first appearance surface) of the cleaning nozzle 473. The water discharge angle θ2 with respect to the surface is substantially vertical. On the other hand, as shown in FIG. 2B, when cleaning the external surface (second external surface) on the rear end side of the cleaning nozzle 473, the cleaning nozzle 473 of the cleaning water discharged from the water discharge unit 515 is used. The water discharge angle θ2 with respect to the appearance surface is an angle smaller than the vertical, that is, an acute angle.

  Here, in the specification of the present application, the “water discharge angle” refers to the water discharge direction of the cleaning water discharged from the nozzle cleaning unit 510 when the cleaning nozzle 473 is viewed from the side, and the rear side from the water landing position of the cleaning water. The angle between the cleaning nozzle 473 and the external surface of the cleaning nozzle 473 in FIG.

  Since the water discharge angle θ2 in the case of cleaning the external surface on the front end side of the cleaning nozzle 473 is substantially vertical, the cleaning water discharged from the water discharge unit 515 is against the dirt attached to the external surface and the external surface of the cleaning nozzle 473. Has a greater ability to land. Here, in the specification of the present application, the “water landing force” means, for example, the landing pressure of the washing water, and is the momentum of the washing water per unit area, and removes, peels off, or floats. I say power. In other words, the cleaning water discharged from the water discharging unit 515 more strongly hits the external surface of the cleaning nozzle 473 and the dirt attached to the external surface. For this reason, when cleaning the external surface on the tip side of the cleaning nozzle 473, the water discharge state is easy to remove dirt attached to the external surface. The appearance surface on the front end side of the cleaning nozzle 473 is more easily stained than the appearance surface on the rear end side of the cleaning nozzle 473. Therefore, the nozzle cleaning unit 510 can cleanly clean a portion that is easily contaminated (the appearance surface on the tip side of the cleaning nozzle 473).

  On the other hand, since the water discharge angle θ2 in the case of cleaning the external surface on the rear end side of the cleaning nozzle 473 is an acute angle, water has landed on the external surface of the cleaning nozzle 473 as indicated by the arrow A1 shown in FIG. The washing water has a component in a direction along the appearance surface. Therefore, compared with the case where water discharge angle (theta) 2 is perpendicular | vertical, the water flow toward the front end side of the washing nozzle 473 arises more strongly. Therefore, the cleaning water that has landed on the rear end side of the cleaning nozzle 473 flows to the front end side where it tends to become dirty. Accordingly, it is possible to supplement the cleaning of the easily contaminated portion (the appearance surface on the tip side of the cleaning nozzle 473).

  As described above, in the cleaning operation illustrated in FIG. 2, the water discharge angle θ <b> 2 with respect to the external surface of the cleaning nozzle 473 of the cleaning water discharged from the water discharging unit 515 of the nozzle cleaning unit 510 is the front-rear direction of the external surface of the cleaning nozzle 473. It depends on the position. Therefore, the water discharge state can be made different between the external appearance surface on the front end side that is likely to be contaminated and the external appearance surface on the rear end side that is less likely to be contaminated than the external appearance surface on the front end side. Thereby, the sanitary washing apparatus 100 concerning this embodiment can wash | clean the washing nozzle 473 more efficiently according to the position of the front-back direction of the external surface of the washing nozzle 473, and can keep it more hygienic. Therefore, the cleaning nozzle 473 having higher hygiene can be provided.

FIG. 3 is a schematic cross-sectional view for explaining an outline of another operation for cleaning the cleaning nozzle of the present embodiment.
3A is a schematic cross-sectional view illustrating a state in which the nozzle cleaning unit cleans the outer surface of the front end side of the cleaning nozzle, and FIG. 3B illustrates the nozzle cleaning unit at the rear end side of the cleaning nozzle. It is a cross-sectional schematic diagram showing the state which wash | cleans the external appearance surface. FIGS. 3A and 3B are schematic cross-sectional views taken along a cutting plane along the axis 473c of the cleaning nozzle 473, that is, the cutting plane AA shown in FIG.

  The cleaning nozzle 473 shown in FIG. 3 moves forward or backward from the casing 400 without changing the angle. That is, the cleaning nozzle 473 shown in FIG. 3 moves forward and backward in the direction of the shaft 473c of the cleaning nozzle 473 in the housed state (see FIG. 3A). On the other hand, as shown in FIGS. 3A and 3B, the nozzle cleaning unit 510 shown in FIG. 3 rotates, that is, changes its angle in conjunction with the advance and retreat of the cleaning nozzle 473. That is, the angle of the nozzle cleaning unit 510 as viewed from the cleaning nozzle 473 changes in conjunction with the advancement and retreat of the cleaning nozzle 473. In other words, the angle of the nozzle cleaning unit 510 with respect to the appearance surface of the cleaning nozzle 473 varies depending on the position of the appearance surface of the cleaning nozzle 473 in the front-rear direction.

  Therefore, also in the cleaning operation shown in FIG. 3, the water discharge angle θ2 with respect to the external surface of the cleaning nozzle 473 of the cleaning water discharged from the water discharging unit 515 of the nozzle cleaning unit 510 is the same as the cleaning operation described above with reference to FIG. The position varies depending on the position of the external surface of the cleaning nozzle 473 in the front-rear direction. For example, as shown in FIG. 3A, in the case of cleaning the outer appearance surface (first outer appearance surface) of the front end side of the cleaning nozzle 473, the nozzle cleaning unit 510 has a posture in which the water discharge angle θ2 is substantially vertical. Take. On the other hand, as shown in FIG. 3B, when cleaning the exterior surface (second exterior surface) on the rear end side of the cleaning nozzle 473, the nozzle cleaning unit 510 has a water discharge angle θ <b> 2 smaller than vertical. Take an attitude that is an angle, that is, an acute angle.

  Thus, not only when the cleaning nozzle 473 changes the angle, but also when the nozzle cleaning unit 510 changes the angle, the appearance surface of the cleaning nozzle 473 of the cleaning water discharged from the water discharging unit 515 of the nozzle cleaning unit 510 The water discharge angle θ <b> 2 with respect to the cleaning nozzle 473 can be made different according to the position in the front-rear direction of the appearance surface of the cleaning nozzle 473. Therefore, similarly to the cleaning operation described above with reference to FIG. 2, the water discharge state is made different between the front-side appearance surface that is easily contaminated and the rear-end appearance surface that is less likely to get dirt than the front-side appearance surface. Can do. Thereby, the sanitary washing apparatus 100 concerning this embodiment can wash | clean the washing nozzle 473 more efficiently according to the position of the front-back direction of the external surface of the washing nozzle 473, and can keep it more hygienic. Therefore, the cleaning nozzle 473 having higher hygiene can be provided.

Next, a specific example of the operation of cleaning the cleaning nozzle of this embodiment will be described with reference to the drawings.
First, a specific example of the cleaning operation when the cleaning nozzle 473 moves back and forth with an angle change will be described.

FIG. 4 is a schematic perspective view illustrating the nozzle unit of this example.
FIG. 5 is a schematic perspective view showing the nozzle cleaning unit of this example.
4A is a schematic perspective view showing a state where the cleaning nozzle is housed in the casing, and FIG. 4B is a schematic perspective view showing a state where the cleaning nozzle has advanced.

  As shown in FIG. 4, the nozzle unit 470 of this specific example includes a base 475, a cleaning nozzle 473 supported by the base 475, and a nozzle motor 476 that moves the cleaning nozzle 473. The cleaning nozzle 473 shown in FIG. 4 is a single-stage type, that is, a cleaning nozzle having one movable part, but the present invention is not limited to this. The cleaning nozzle may be a multistage cleaning nozzle having a plurality of movable parts.

  The cleaning nozzle 473 is slidable with respect to the base 475 by a driving force transmitted from the nozzle motor 476. The nozzle motor 476 is fixed to the base 475.

  Further, the cleaning nozzle 473 includes a slider 477. The slider 477 is provided slidably with respect to the base 475. Therefore, the cleaning nozzle 473 can slide with respect to the base 475 together with the slider 477. Accordingly, the cleaning nozzle 473 can move forward and backward from the casing 400 and the base 475.

  The casing 400 includes a case plate 401 and a case cover 402. A shutter 420 that opens and closes the opening of the case cover 402 is provided on the front side of the case cover 402. As shown in FIG. 4B, the shutter 420 can be opened and closed as the cleaning nozzle 473 advances and retreats. More specifically, the shutter 420 is pivotally supported with respect to the case cover 402. When the cleaning nozzle 473 advances from the casing 400, the shutter 420 can rotate about the upper portion to open the opening of the case cover 402. On the other hand, the shutter 420 can rotate around the upper part to close the opening of the case cover 402 when or after the cleaning nozzle 473 is retracted to the casing 400. In addition, the installation form of the shutter 420 is not limited to this, For example, you may pivotally support to the case plate 401, for example.

  As shown in FIG. 5, the casing 400 is provided with a nozzle cleaning unit 510. For convenience of explanation, the nozzle cleaning unit 510 is omitted from the sanitary cleaning apparatus shown in FIG. The nozzle cleaning unit 510 is provided on the tip side of the cleaning nozzle 473 in the housed state. The nozzle cleaning unit 510 includes a water discharge unit 515 (see FIG. 7) that discharges cleaning water toward the external surface of the cleaning nozzle 473. The nozzle cleaning unit 510 of this specific example is attached to the casing 400 and does not rotate in conjunction with the advance / retreat of the cleaning nozzle 473.

  The casing 400 is provided with a track guide 450 that guides the movement of the cleaning nozzle 473. The cleaning nozzle 473 draws a fixed trajectory by the trajectory guide 450 and changes from the stored state to the advanced state. At this time, the cleaning nozzle 473 advances while making a transition to a posture in which the angle θ1 (see FIG. 2) of the shaft 473c of the cleaning nozzle 473 with respect to a horizontal plane 850 (see FIG. 2) such as the upper surface of the toilet bowl 800 is increased. In other words, the cleaning nozzle 473 advances while making a transition to a posture in which the cleaning nozzle 473 stands up from the stored state. This will be described in detail with reference to the drawings.

FIG. 6 is a schematic plan view illustrating the trajectory of the cleaning nozzle of this example.
FIG. 7 is a schematic cross-sectional view for explaining the operation of cleaning the cleaning nozzle of this example.
FIG. 7 is a schematic cross-sectional view of a cut surface along the shaft 473c of the cleaning nozzle 473, that is, a cut surface AA shown in FIG.

  A cable rack 478 is fixed to the cleaning nozzle 473. The cable rack 478 is formed of a material such as a flexible resin. At least one side surface of the cable rack 478 is provided with irregularities that engage with the gears 481 and 483. The cable rack 478 is sanitized along the first cable guide portion 479 (see FIG. 4B) provided on the base 475 and the second cable guide portion 411 provided on the casing 400. The cleaning device 100 is slidably supported.

  The nozzle motor 476 can reduce the drive output appropriately and output it to the gears 481 and 483. The cable rack 478 is engaged with the gear 483 and converts the rotational driving force of the gear 483 into a linear driving force to move the cleaning nozzle 473. That is, the cleaning nozzle 473 is slidable with respect to the base 475 by the driving force transmitted from the nozzle motor 476 via the gears 481 and 483 and the cable rack 478.

  As shown in FIG. 6, the track guide 450 is formed with a track groove 451 that regulates the track of the cleaning nozzle 473. On the other hand, as shown in FIG. 6, the slider 477 is provided with a fitting portion 477 b that can be fitted into the raceway groove 451. The fitting portion 477b is fitted in the raceway groove 451. When the cleaning nozzle 473 changes from the housed state to the advanced state, the fitting portion 477b of the slider 477 moves while sliding on the track groove 451. Therefore, the slider 477 moves following a substantially same track as the track groove 451.

  The fitting portion 477b may be attached to the slider 477 as, for example, a non-rotatable protrusion, or may have a portion that is rotatable with respect to the slider 477. In the case where the fitting portion 477 b has a portion that is rotatable with respect to the slider 477, the fitting portion 477 b of the slider 477 moves while rotating the track groove 451. Therefore, the range of “sliding” in the present specification includes not only the case of sliding in the contact state but also the case of rolling in the contact state.

  The trajectory guide 450 includes a curve restriction part 453 and a straight line restriction part 455. The curve restricting portion 453 is formed in a substantially horizontal direction. On the other hand, the straight line restricting portion 455 is formed to be inclined so that one end portion on the side connected to the curve restricting portion 453 is higher than the other end portion on the side not connected to the curve restricting portion 453. In other words, the straight line restricting portion 455 is formed to be inclined so that the other end portion on the side not connected to the curve restricting portion 453 is lower than the one end portion on the side connected to the curve restricting portion 453. Note that the straight line regulating portion 455 may be provided with a lock mechanism, or a drive source for changing the angle may be provided.

  First, as illustrated in FIG. 7A, in the state where the cleaning nozzle 473 is housed in the casing 400, the water discharger 515 can discharge cleaning water perpendicularly to the appearance surface of the cleaning nozzle 473, for example. That is, the water discharge angle θ2 with respect to the appearance surface of the cleaning nozzle 473 for the water discharged from the water discharge unit 515 is substantially vertical. Accordingly, as described above with reference to FIG. 2, the cleaning water discharged from the water discharging unit 515 more strongly hits the appearance surface of the cleaning nozzle 473 and the dirt attached to the appearance surface. Therefore, the nozzle cleaning unit 510 can cleanly clean the appearance surface on the tip side of the cleaning nozzle 473.

  Subsequently, when the cleaning nozzle 473 starts to change from the housed state to the advanced state, the fitting portion 477b of the slider 477 slides on the curve restricting portion 453. At this time, the cleaning nozzle 473 passes through the cylindrical body 461 that is pivotally supported with respect to the casing 400 by the rotation shaft 463. The cylindrical body 461 is formed in a cylindrical shape, and can rotate around the rotation shaft 463 according to the angle of the cleaning nozzle 473. That is, the angle of the cylinder 461 with respect to the casing 400 changes in conjunction with the change in the angle of the cleaning nozzle 473. The cylindrical body 461 and the rotation shaft 463 can guide and regulate the movement of the cleaning nozzle 473.

  Therefore, when the cleaning nozzle 473 starts to change from the housed state to the advanced state, the fitting portion 477b is guided by the curve restriction portion 453 and moves in a substantially horizontal direction. On the other hand, the cleaning nozzle 473 passes through the inside of the cylindrical body 461 that rotates about the rotation shaft 463. Accordingly, the cleaning nozzle 473 advances while changing to a posture in which the angle θ1 of the shaft 473c of the cleaning nozzle 473 with respect to the horizontal plane 850 is increased. In other words, the cleaning nozzle 473 advances while making a transition to a posture in which the cleaning nozzle 473 stands up from the stored state. Therefore, when the fitting portion 477b of the slider 477 slides on the curve restricting portion 453, the tip portion 473a of the cleaning nozzle 473 advances while drawing a curved track 491 as shown in FIG.

  As a result, as shown in FIG. 7B, the water discharger 515 can discharge the cleaning water at an angle smaller than perpendicular to the appearance surface of the cleaning nozzle 473, for example, at an acute angle. That is, the water discharge angle θ2 with respect to the appearance surface of the cleaning nozzle 473 for the water discharged from the water discharge unit 515 is an angle smaller than the vertical. Therefore, as indicated by an arrow A3 shown in FIG. 7B, the cleaning water that has landed on the external surface of the cleaning nozzle 473 has a component in a direction along the external surface. Therefore, compared with the case where water discharge angle (theta) 2 is perpendicular | vertical, the water flow toward the front end side of the washing nozzle 473 arises more strongly. Therefore, the cleaning water that has landed on the rear end side of the cleaning nozzle 473 flows to the front end side where it tends to become dirty. Thereby, the cleaning of the front end side of the cleaning nozzle 473 can be supplemented.

  Subsequently, the fitting portion 477 b of the slider 477 slides on the straight line regulating portion 455. At this time, since the cylindrical body 461 is pivotally supported with respect to the casing 400, the inclination angle of the linear restriction portion 455, that is, the moving direction of the slider 477 and the cleaning nozzle 473, and the axial direction of the cylindrical body 461. Are substantially the same. Thereby, when the fitting part 477b of the slider 477 slides on the straight line restricting part 455, the tip part 473a of the cleaning nozzle 473 advances while drawing a straight track 493 as shown in FIG.

  Accordingly, as shown in FIG. 7C, the water discharge angle θ2 with respect to the appearance surface of the cleaning nozzle 473 of the water discharged from the water discharge unit 515 is the same as the water discharge angle θ2 shown in FIG. The angle is smaller than vertical. Therefore, as indicated by an arrow A4 illustrated in FIG. 7C, the cleaning water that has landed on the external surface of the cleaning nozzle 473 has a component in a direction along the external surface. Therefore, the same effect as that described above with reference to FIG.

  According to this specific example, with a simpler operation of changing the water discharge angle θ2, the outer surface on the front end side that is easily contaminated, and the outer surface on the rear end side that is less susceptible to dirt than the outer surface on the front end side, The water discharge state can be made different. Thereby, the sanitary washing device 100 according to this specific example can wash the washing nozzle 473 more efficiently and keep it more hygienic according to the position of the appearance surface of the washing nozzle 473 in the front-rear direction.

  In this specific example, the curved track 491 drawn by the tip 473a of the cleaning nozzle 473 is a track that prevents the cleaning nozzle 473 from coming into contact with the user's buttocks seated on the toilet seat 200. On the other hand, a straight track 493 drawn by the tip 473a of the cleaning nozzle 473 is a track that reaches the advanced state. Therefore, the shaft 473c of the cleaning nozzle 473 in the advanced state does not interfere with the user's buttocks seated on the toilet seat 200. Further, the advancing state and the cleaning nozzle 473 during the advancing are not in contact with the buttocks of the user seated on the toilet seat 200. Accordingly, the cleaning nozzle 473 is stored in a posture in which the angle θ1 with respect to the horizontal plane 850 of the shaft 473c of the cleaning nozzle 473 is small enough that the shaft 473c of the cleaning nozzle 473 in the stored state interferes with the buttocks of the user seated on the toilet seat 200. Can be made.

  The angle θ1 for avoiding the interference between the cleaning nozzle 473 and the user's buttocks is determined by the toilet seat 200 and the toilet bowl 800 having a general shape, and the general storage position (for example, relative to the buttocks in the horizontal and vertical directions). When the sanitary washing apparatus 100 having the washing nozzle 473 installed at the target position is used, for example, it is about 30 ° to 45 °.

  According to this specific example, as illustrated in FIG. 6, the cleaning nozzle 473 advances while changing to a posture in which the angle θ <b> 1 with respect to the horizontal plane 850 of the shaft 473 c of the cleaning nozzle 473 increases. Further, even when the height of the cleaning nozzle 473 in the housed state is suppressed to be lower, it is possible to avoid the cleaning nozzle 473 in the advanced state and in the middle of the advancement coming into contact with the buttocks of the user seated on the toilet seat 200. Further, the rotation space necessary for changing the angle θ1 of the shaft 473c of the cleaning nozzle 473 with respect to the horizontal plane 850 can be minimized. Thereby, the height of the cleaning nozzle 473 in the housed state can be kept lower. Therefore, the height of the sanitary washing apparatus 100 can be suppressed to be lower, and the sanitary washing apparatus 100 can be made compact.

  Further, the nozzle cleaning unit 510 of this specific example is attached and fixed to the casing 400. Therefore, for example, by using a general nozzle cleaning chamber or the like as the nozzle cleaning unit 510, the cleaning nozzle 473 is more efficiently cleaned according to the position in the front-rear direction of the appearance surface of the cleaning nozzle 473, and more hygienic. Can keep.

  Furthermore, as described above, the nozzle cleaning unit 510 is provided on the tip side of the cleaning nozzle 473 in the housed state. Therefore, when the cleaning nozzle 473 moves back and forth, the rear end side of the cleaning nozzle 473 passes through the water discharge unit 515 of the nozzle cleaning unit 510. Therefore, the nozzle cleaning unit 510 can discharge cleaning water at a distance closer to the rear end side as well as the front end side of the cleaning nozzle 473. Thereby, the sanitary washing apparatus 100 can be made compact.

  Further, the nozzle cleaning unit 510 of this specific example starts discharging the cleaning water when the tip 473a of the cleaning nozzle 473 advances after the second half of the curved track 491. Therefore, it is not necessary to change the water discharge angle θ2 or the water discharge distance more greatly. Thereby, generation | occurrence | production of washing water scattering can be suppressed and washing water can be discharged more stably.

Next, a specific example of the cleaning operation in the case where the water discharge unit of the nozzle cleaning unit changes the angle in conjunction with the advance / retreat of the cleaning nozzle 473 will be described.
FIG. 8 is a schematic perspective view illustrating the nozzle cleaning unit of this example.
FIG. 9 is a schematic cross-sectional view for explaining the operation of cleaning the cleaning nozzle of this example.
FIG. 9 is a schematic cross-sectional view of a cut surface along the axis 473c of the cleaning nozzle 473, that is, a cut surface AA shown in FIG.

  In this specific example, as compared with the specific examples described above with reference to FIGS. 4 to 7, a motor 521 and a bearing 523 connected to the motor 521 are further provided inside the casing 400. The motor 521 can appropriately reduce the drive output and output it to the bearing 523. As shown in FIG. 8, the bearing 523 is engaged with the upper portion of the nozzle cleaning unit 510, and transmits the driving force of the motor 521 to the nozzle cleaning unit 510 to rotate the nozzle cleaning unit 510. That is, the nozzle cleaning unit 510 is provided so as to be rotatable with respect to the casing 400 and the cleaning nozzle 473 by a driving force transmitted from the motor 521 via the bearing 523.

  A track groove 451a for regulating the track of the cleaning nozzle 473 is formed in the track guide 450a of the nozzle unit of this specific example. The trajectory guide 450a of this specific example has a straight line restricting portion 455 and does not have a curve restricting portion 453. The straight line regulating portion 455 is formed to be inclined so that one end on the rear side is higher than the other end on the front side. In other words, the straight line regulating portion 455 is formed to be inclined so that the other end portion on the front side is lower than the one end portion on the rear side.

  Therefore, as shown in FIGS. 9A to 9C, the cleaning nozzle 473 of this specific example advances or retreats from the casing 400 without changing the angle. That is, the cleaning nozzle 473 of this specific example moves forward and backward in the direction of the shaft 473c of the cleaning nozzle 473 in the housed state (see FIG. 9A).

  First, as illustrated in FIG. 9A, in the state where the cleaning nozzle 473 is housed in the casing 400, the water discharger 515 can discharge cleaning water perpendicularly to the appearance surface of the cleaning nozzle 473, for example. That is, the water discharge angle θ2 with respect to the appearance surface of the cleaning nozzle 473 for the water discharged from the water discharge unit 515 is substantially vertical. Accordingly, as described above with reference to FIG. 2, the cleaning water discharged from the water discharging unit 515 more strongly hits the appearance surface of the cleaning nozzle 473 and the dirt attached to the appearance surface. Therefore, the nozzle cleaning unit 510 can cleanly clean the appearance surface on the tip side of the cleaning nozzle 473.

  Subsequently, when the cleaning nozzle 473 starts to change from the housed state to the advanced state, the motor 521 starts driving and rotates the nozzle cleaning unit 510 via the bearing 523. That is, the nozzle cleaning unit 510 rotates, that is, changes the angle with respect to the casing 400 in conjunction with the advance / retreat operation of the cleaning nozzle 473.

  As a result, as shown in FIG. 9B, the water discharger 515 can discharge the cleaning water at an angle smaller than perpendicular to the appearance surface of the cleaning nozzle 473, for example, at an acute angle. That is, the water discharge angle θ2 with respect to the appearance surface of the cleaning nozzle 473 for the water discharged from the water discharge unit 515 is an angle smaller than the vertical. Therefore, as indicated by an arrow A5 shown in FIG. 9B, the cleaning water that has landed on the external surface of the cleaning nozzle 473 has a component in a direction along the external surface. Therefore, compared with the case where water discharge angle (theta) 2 is perpendicular | vertical, the water flow toward the front end side of the washing nozzle 473 arises more strongly. Therefore, the cleaning water that has landed on the rear end side of the cleaning nozzle 473 flows to the front end side where it tends to become dirty. Thereby, the cleaning of the front end side of the cleaning nozzle 473 can be supplemented.

  Subsequently, as illustrated in FIG. 7C, when the cleaning nozzle 473 further advances, the motor 521 further rotates the nozzle cleaning unit 510 via the bearing 523. Therefore, the water discharge angle θ2 with respect to the appearance surface of the cleaning nozzle 473 for the water discharged from the water discharger 515 is smaller than the water discharge angle θ2 shown in FIG. Therefore, as shown by the arrow A6 in FIG. 9C, the cleaning water that has landed on the external surface of the cleaning nozzle 473 has a component along the external surface that is larger than the arrow A5 in FIG. 9B. Have. Therefore, compared with the state shown in FIG. 9B, the water flow toward the front end side of the cleaning nozzle 473 is generated more strongly. Therefore, the cleaning water that has landed in the vicinity of the rear end of the cleaning nozzle 473 can be made to flow toward the front end side where it is easy to get dirty. Thereby, the cleaning of the front end side of the cleaning nozzle 473 can be supplemented.

  According to this specific example, the water discharge angle θ <b> 2 can be varied by changing the angle of only the nozzle cleaning unit 510. In other words, it is not necessary to change the angle of the cleaning nozzle 473. For this reason, for example, even when it is difficult to provide a mechanism for changing the angle of the cleaning nozzle 473 due to the arrangement space, by changing the angle of only the nozzle cleaning unit 510, the appearance surface on the front end side that is easily contaminated is changed. The water discharge state can be made different between the outer appearance surface on the rear end side, which is less likely to be stained than the outer appearance surface on the front end side. As a result, the sanitary washing device 100 according to the present specific example cleans the washing nozzle 473 more efficiently and keeps it more hygienic in accordance with the position of the appearance surface of the washing nozzle 473 in the front-rear direction with simpler operation. be able to.

  In addition, the water discharge unit 515 of this specific example is fixed to the nozzle cleaning unit 510. Therefore, the water discharger 515 can change the angle together with the nozzle cleaning unit 510. Therefore, it is not necessary to provide a complicated structure or mechanism for changing the angle of only the water discharger 515. Thereby, the effect mentioned above can be acquired with a simpler structure.

  The nozzle cleaning unit 510 and the water discharge unit 515 individually change the angle, so that the water discharge angle θ2 with respect to the external surface of the cleaning nozzle 473 discharged from the water discharge unit 515 is before and after the external surface of the cleaning nozzle 473. It may be different depending on the position of the direction. According to this, since the angles of both the nozzle cleaning unit 510 and the water discharge unit 515 can be changed, finer angle adjustment can be performed in accordance with the appearance surface of the cleaning nozzle 473.

  As described above, according to the present embodiment, the water discharge state with respect to the external surface of the cleaning nozzle 473 of the cleaning water discharged from the nozzle cleaning unit 510 varies depending on the position of the external surface of the cleaning nozzle 473 in the front-rear direction. . Therefore, the water discharge state can be made different between the external appearance surface on the front end side that is likely to be contaminated and the external appearance surface on the rear end side that is less likely to be contaminated than the external appearance surface on the front end side. Thereby, the sanitary washing apparatus 100 concerning this embodiment can wash | clean the washing nozzle 473 more efficiently according to the position of the front-back direction of the external surface of the washing nozzle 473, and can keep it more hygienic.

The embodiment of the present invention has been described above. However, the present invention is not limited to these descriptions. As long as the features of the present invention are provided, those skilled in the art appropriately modified the design of the above-described embodiments are also included in the scope of the present invention. For example, the shape, size, material, arrangement, etc. of each element provided in the nozzle unit 470 and the like, the installation form of the nozzle cleaning unit 510, and the like are not limited to those illustrated, and can be changed as appropriate.
In the present embodiment, the case where the cleaning nozzle 473 moves back and forth with an angle change and the case where the nozzle cleaning unit 510 changes the angle in conjunction with the movement of the cleaning nozzle 473 have been described as examples. However, it is not limited to this. For example, both the cleaning nozzle 473 and the nozzle cleaning unit 510 may change the angle. Even in this case, the water discharge state with respect to the external surface of the cleaning nozzle 473 of the cleaning water discharged from the nozzle cleaning unit 510 can be varied depending on the position of the external surface of the cleaning nozzle 473 in the front-rear direction. In the case of cleaning the external surface on the front end side of the cleaning nozzle 473, the water discharge angle θ2 with respect to the external surface of the cleaning nozzle 473 of the cleaning water discharged from the water discharger 515 is not limited to be substantially vertical.
Moreover, each element with which each embodiment mentioned above is provided can be combined as long as technically possible, and the combination of these is also included in the scope of the present invention as long as it includes the features of the present invention.

  DESCRIPTION OF SYMBOLS 100 Sanitary washing apparatus, 200 Toilet seat, 300 Toilet lid, 400 Casing, 401 Case plate, 402 Case cover, 404 Seating detection sensor, 411 Second cable guide part, 420 Shutter, 450, 450a Track guide, 451, 451a Track groove 453 Curve restriction part, 455 linear restriction part, 461 cylinder, 463 rotation shaft, 470 nozzle unit, 473 cleaning nozzle, 473a tip part, 473c shaft, 474 water discharge port, 475 base, 476 nozzle motor, 477 slider, 477b fitting portion, 478 cable rack, 479 first cable guide portion, 481, 483 gear, 491 curved track, 493 linear track, 510 nozzle cleaning portion, 515 water discharge portion, 521 motor, 523 bearing, 8 0 toilet, 801 bowl, 850 horizontal plane

Claims (7)

A cleaning nozzle that has a water discharge port and sprays water from the water discharge port to clean the user's body;
A casing capable of storing the washing nozzle;
A nozzle cleaning section for cleaning the cleaning nozzle;
With
The nozzle cleaning unit is configured to move the cleaning nozzle when the cleaning nozzle moves from the stored state stored in the casing to the advanced state for cleaning the body or when the cleaning nozzle moves from the advanced state to the stored state. Drain cleaning water toward the exterior surface,
The sanitary washing apparatus according to claim 1, wherein the water discharge state of the wash water discharged from the external surface differs depending on the position of the external surface in the front-rear direction. The nozzle cleaning section has a water discharge section for discharging the cleaning water,
The sanitary washing device according to claim 1, wherein a water discharge angle of the cleaning water discharged from the water discharge unit with respect to the external surface varies depending on a position of the external surface in the front-rear direction.   The sanitary washing apparatus according to claim 2, wherein an angle of the nozzle cleaning unit with respect to the appearance surface varies depending on a position of the appearance surface in the front-rear direction.   The discharge angle of the cleaning water discharged toward the first external surface of the cleaning nozzle is discharged toward the second external surface located on the rear end side of the cleaning nozzle from the first external surface. The sanitary washing device according to claim 2 or 3, wherein the cleaning water is larger than the water discharge angle.   The said washing | cleaning nozzle changes from the said accommodation state to the said advance state, changing to the attitude | position where the angle with respect to the horizontal surface of the axis | shaft of the said washing nozzle becomes large, The Claim 1 characterized by the above-mentioned. Sanitary washing device. The nozzle cleaning unit is provided on the tip side of the cleaning nozzle in the storage state,
The sanitary washing device according to any one of claims 2 to 5, wherein the water discharge portion is formed so that the water discharge angle is vertical when the cleaning nozzle is in the housed state. The trajectory drawn by the tip of the washing nozzle is
A curved trajectory that avoids contact of the cleaning nozzle with the buttocks of the user;
A linear trajectory for the cleaning nozzle to reach the advanced state;
Have
The sanitary washing device according to any one of claims 2 to 6, wherein the nozzle washing unit starts discharging the washing water when the tip part advances after the second half of the curved track.

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