JP5125402B2 - Toilet equipment - Google Patents

Description

  The present invention is provided with a nozzle projection for projecting a hot water cleaning nozzle accommodated in the casing into the toilet bowl at the front part of the casing installed on the rear upper surface of the western style toilet. The present invention relates to a toilet apparatus configured such that when a nozzle does not protrude, the nozzle protrusion is closed by a shutter, and when the nozzle protrudes, the shutter is opened and the nozzle protrudes from the nozzle protrusion.

  As is well known, the hot water cleaning apparatus has a casing installed on the upper surface of the rear part of the Western-style toilet and a cleaning nozzle installed in the casing, and cleans the buttocks of the human body with the hot water ejected from the cleaning nozzle. Is. A toilet seat is attached to the front surface of the casing so as to be rotatable in the up-down direction.

  The nozzle of this hot water cleaning device can protrude forward through a nozzle protrusion provided in the front portion of the casing.

i) Conventional shutter
In some cases, urine or other sewage enters the nozzle projection and sticks, which may cause odor. In order to prevent the entry of sewage into the nozzle projection port, Japanese Patent Application Laid-Open No. 10-195957 describes that an openable shutter is provided at the nozzle projection port.

  In the toilet apparatus of the same publication, when the nozzle does not protrude, the nozzle protruding port is shielded by the shutter, thereby preventing sewage from entering the nozzle protruding port. Further, when the nozzle protrudes, this shutter opens, and the nozzle protrudes forward, that is, into the toilet bowl through the nozzle protrusion.

ii) Conventional example of floating toilet equipment
A toilet apparatus in which a casing is installed so as to be movable up and down with respect to the upper surface of the rear part of a Western-style toilet is also known (for example, JP-A-9-28619). In the floating toilet apparatus in which the casing is installed so as to be movable up and down with respect to the upper surface of the rear of the western-style toilet as described above, a space is formed below the casing by lifting the casing from the upper surface of the rear of the western-style toilet during cleaning. And the lower part of the casing can be cleaned.
JP-A-10-195957 JP-A-9-28619

  When the nozzle projecting port is shielded by a shutter as disclosed in Japanese Patent Laid-Open No. 10-195957, dirty water adheres to the shutter itself, and this shutter needs to be cleaned.

  However, as shown in FIG. 2 of the same publication, since the nozzle projection is located on the back side of the toilet bowl, when cleaning this shutter, the cleaning operator must go to the back side of the toilet bowl. You need to clean your arms. Therefore, it is not easy to perform the cleaning operation of the shutter.

  An object of this invention is to provide the toilet apparatus which can perform the cleaning operation | work of this shutter easily.

The toilet apparatus according to claim 1 is installed on a rear upper surface of a Western-style toilet, and has a casing having a nozzle protrusion at the front, and a hot water cleaning device disposed in the casing and capable of protruding forward through the nozzle protrusion. And a shutter capable of closing the nozzle protrusion when the nozzle is not protruding and opening the nozzle protrusion when the nozzle is protruding. The toilet apparatus is movable in the front-rear direction so as to be able to take a retracted position that can be opened and closed and an advanced position that protrudes forward away from the nozzle protrusion , and the toilet device is further disposed in the casing. It has an advance / retreat member that is installed and can be moved back and forth substantially in the front-rear direction and has the shutter connected to the front end, and the advance / retreat member is provided separately from the nozzle, and the nozzle does not protrude. It is characterized in that also a retractable.

Toilet apparatus according to claim 2, in claim 1, wherein the toilet system further comprises a driving equipment for advancing and retracting the advancing and retracting member, the drive device advances and retracts the該進retraction member by the driving force of the electric motor It is characterized by being.

The toilet apparatus according to claim 3 is characterized in that, in claim 1 or 2, the shutter is detachably connected to the advance / retreat member.

  The toilet device according to claim 4 is the toilet device according to any one of claims 1 to 3, wherein the casing is installed to be movable up and down with respect to a rear upper surface of the western-style toilet, and the casing is a rear upper surface of the western-style toilet. When the casing is lowered, the shutter cannot move forward from the retracted position, and when the casing is lifted from the upper surface of the rear part of the western-style toilet, the shutter can be moved forward and backward. It is characterized by being.

  The toilet apparatus according to claim 5 is characterized in that, in claim 4, the toilet apparatus is configured such that the shutter is retracted to the retracted position when the casing is lowered to the upper surface of the rear portion of the western style toilet. It is what.

  A toilet device according to a sixth aspect of the present invention is the toilet device according to any one of the first to third aspects, wherein the toilet device includes a seating detecting unit that detects the seating of the toilet user on the toilet seat. When seated, the shutter cannot move forward from the retracted position, and when the toilet user is not seated on the toilet seat, the shutter can be moved forward and backward. To do.

  A toilet device according to a seventh aspect is the toilet device according to any one of the first to third aspects, wherein a toilet seat is attached to a front portion of the casing so as to be rotatable in a tilting direction, and the toilet device is in a standing posture. Provided with toilet seat standing detection means for detecting that, when the toilet seat is in the lying posture, the shutter is unable to advance from the retracted position, and when the toilet seat is in the standing posture, The shutter is configured to be movable forward and backward.

  In the toilet apparatus of the present invention, during cleaning, the shutter can be advanced, and the shutter can be positioned on the near side of the nozzle projection, so that the cleaning operator extends his arm to the back of the toilet bowl. The shutter can be cleaned without it. Therefore, this shutter cleaning operation can be performed easily.

According to the present invention , the shutter can be smoothly moved forward and backward. Moreover, in the aspect of Claim 2, since the electric motor is used as the power source, the control of the operation is easy, and the degree of freedom in setting the operation condition is high.

  By connecting the shutter to the advancing / retracting member so as to be detachable, the shutter can be removed from the advancing / retreating member and cleaned carefully during cleaning. At this time, since the shutter can be positioned on the front side of the nozzle projection port, it is easy to attach and remove the shutter.

  In the aspect of Claim 4, since the shutter can be advanced only when the casing is in a state of floating from the upper surface of the rear part of the Western-style toilet, the shutter is separated from the nozzle protrusion when using a normal toilet. Overhanging in the toilet bowl. In addition, since the shutter position moves upward as the casing floats, the cleaning operation of the shutter can be performed with a more comfortable posture.

  According to the fifth aspect of the present invention, the shutter is retracted to the retracted position when the casing is lowered to the rear upper surface of the western-style toilet, so that it is possible to prevent the shutter from being forgotten to be retracted after cleaning.

  According to the sixth aspect of the present invention, the shutter can be advanced only when the toilet user is not seated on the toilet seat, so that the shutter can be used while the toilet user is seated on the toilet seat and added. Is prevented from moving forward and protruding into the toilet bowl.

  Even in the aspect of the seventh aspect, since the shutter can be advanced only when the toilet seat is in the upright posture, the shutter advances while the toilet user is seated on the toilet seat and adding a service. Thus, it is prevented from overhanging in the toilet bowl.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 is a perspective view of a Western-style toilet equipped with a toilet device according to the embodiment, FIGS. 2 (a) and 2 (b) are side views showing the lifting operation of the front portion of the tank cover unit of the toilet device, and FIG. FIG. 5 to FIG. 5 are longitudinal sectional views of the front part of the tank cover showing the configuration in the vicinity of the shutter of the toilet device, FIG. 6 is a perspective view of the shutter, the shutter forward / reverse drive device and the nozzle unit, and FIG. 6 is a sectional view taken along the line VII-VII, FIG. 8A is a perspective view of the shutter and the guide rod, and FIG. 8B is a sectional view taken along the line BB of FIG. 8A. 9 (a) is a perspective view of the guide rail, and FIG. 9 (b) is a sectional view taken along the line BB of FIG. 9 (a).

  1, FIG. 2 (a) and FIG. 3 show the state where the casing is lowered, and FIG. 2 (b) and FIG. 4 and FIG. 5 show the state where the casing has floated. FIG. 4 shows a state before the shutter advances, and FIG. 5 shows a state after the shutter advances. In FIG. 4, the guide rod and part of the guide rail and the motor unit of the shutter forward / backward drive device are not shown.

  As shown in FIG. 1, a tank cover unit 20 is installed on the upper surface of the rear part of the western-style toilet 10, and a toilet seat 14 and a toilet lid 16 are attached to the front part of the tank cover unit 20 so as to be rotatable in the up-down direction.

  The tank cover unit 20 includes a rear base plate 22 on the rear half side and a front base plate 24 on the front half side, and the front base plate 24 can be moved up and down with respect to the rear base plate 22 by an elevating device 26. On the front base plate 24, the nozzle unit 30 of the hot water cleaning device is installed.

  Although not shown, on the front base plate 24, a low tank for supplying cleaning water to the toilet bowl 12, a hot water tank with a heater for supplying hot water to the nozzle unit 30, a water supply pump, a power supply board, and a control circuit Substrates are also installed. The nozzle unit 30, the hot water tank, and the water supply pump constitute a hot water cleaning device. In addition to the hot water cleaning device, various toilet equipment such as a hot air drying device and a deodorizing device may be installed in the tank cover unit 20.

  A tank cover 50 surrounding the outer surface of the tank cover unit 20 is installed on the front base plate 24 and can be moved up and down together with the front base plate 24. The toilet seat 14 and the toilet lid 16 are attached to the front portion of the tank cover 50. In this embodiment, the hand basin 56 is provided on the upper portion of the tank cover 50, but the hand basin 56 may be omitted.

  In this embodiment, the tank cover 50, the front base plate 24, and the rear base plate 22 constitute a casing.

  A hot water washing apparatus etc. are operated by the remote control (not shown) attached to the wall surface of the toilet room. Further, the tank cover 50 or the remote controller is provided with a levitation switch that operates the lifting device 26 so as to raise or lower the tank cover unit 20 (the tank cover 50 and the front base plate 24). The lifting device 26 is controlled by the control circuit so as to raise the tank cover unit 20 when the levitation switch is pressed once and to lower the tank cover unit 20 when the lift switch is pressed once more.

  In addition, this raising / lowering apparatus 26 can be comprised arbitrarily, for example, can be comprised so that the tank cover unit 20 may be raised / lowered by driving force, such as air pressure and a motor. Further, the toilet apparatus of the present invention is configured to raise and lower the tank cover unit 20 manually (a method in which a cleaning operator or the like lifts the tank cover unit 20 by himself / herself) as described in Japanese Patent Laid-Open No. 9-28619. It may be configured.

  In this embodiment, a floating sensor (not shown) that detects that the tank cover unit 20 is in a floating state is provided.

  A nozzle projecting port 58 is provided at the front lower end of the tank cover 50 for projecting the nozzle 32 (32A, 32B (FIGS. 1 and 6)) of the nozzle unit 30 into the toilet bowl 12.

  In this embodiment, as shown in FIGS. 3 and 4 and the like, the nozzle unit 30 guides the pair of nozzles 32A and 32B for shower cleaning and bidet cleaning and the forward and backward movement of these nozzles 32A and 32B. The nozzle guide 33, the electric motor 34 for moving the nozzles 32A and 32B back and forth through the rack and pinion mechanism 34a (hereinafter simply referred to as a motor) 34, and either of the nozzles 32A and 32B. A nozzle switching valve 35 for switching the supply destination is provided. This switching is performed by the control circuit based on the switch operation of the toilet user.

  Specifically, when the shower cleaning switch is operated, the control circuit switches the water supply destination from the nozzle switching valve 35 to the shower cleaning nozzle 32A, and when the bidet cleaning switch is operated, the water supply destination is switched to the bidet. Switch to the cleaning nozzle 32B. In accordance with these switch operations, the control circuit operates the water supply pump to supply hot water from the hot water tank to the water supply nozzle 32A or 32B, and operates the motor 34 to control the water supply destination. The nozzle 32A or 32B is advanced along the nozzle guide 33.

  When the off switch is operated, the control circuit stops the water supply pump and reversely operates the motor 34 to retract the nozzle 32A or 32B that has been moved forward.

  In this embodiment, each nozzle 32 is moved forward and backward by the driving force of the motor 34. However, other driving methods, for example, a water pressure driving method in which each nozzle 32 is advanced by the water pressure supplied to each nozzle 32. Alternatively, an air pressure driving method, a linear driving method, or a combination of these may be employed.

  The nozzle guide 33 is fixedly installed on the front base plate 24, and the tip side of the nozzle guide 33 faces the nozzle protrusion 58 from the inside of the tank cover 50.

  The toilet device includes a shutter 60 that closes the nozzle protrusion 58 when the nozzle 32 does not protrude, and opens and opens the nozzle protrusion 58 when the nozzle 32 protrudes. The shutter 60 can be moved forward and backward so as to be able to take a retracted position where the nozzle protrusion 58 can be opened and closed by a shutter forward / backward drive device 70 and a forward position protruding forward from the nozzle protrusion 58. It has become.

  In this embodiment, the shutter 60 includes a shutter plate 61 for shielding the nozzle projection port 58 and a support body 62 for supporting the shutter plate 61. In this embodiment, the support body 62 has a frame shape that can be fitted on the tip side of each nozzle 32A, 32B, and a pair of nozzle passage holes 62b, through which each nozzle 32A, 32B passes. 62b.

  As shown in FIGS. 6 and 8A, the shutter plate 61 is disposed so as to cover the front surface of the support body 62, and its upper end portion is in the front-rear direction with respect to the support body 62 via the rotation shaft 61a. It is supported so that it can swing. In this embodiment, when the nozzle 32 protrudes, the shutter plate 61 is pushed open from behind by the nozzle 32, and when the nozzle 32 moves backward, the shutter plate 61 is closed by its own weight and closes the nozzle protrusion 58. It is configured.

  In this embodiment, an engagement portion (not shown) is provided on the rear surface of the support body 62 so that a distal end portion of a guide rod 72 as an advancing / retreating member described later is detachably engaged. In this embodiment, the engaging portions are provided on the left and right end sides of the rear surface of the support body 62, respectively.

  In this embodiment, the shutter forward / reverse drive device 70 includes a guide rail 71 and a guide rod 72 for guiding the forward / rearward movement of the shutter 60, a rack 73 provided on the guide rod 72, and a pinion meshed with the rack 73. And a motor unit 75 for moving the guide rod 72 forward and backward through 74. As shown in FIG. 6, in this embodiment, the guide rail 71, the guide rod 72, and the motor unit 75 are installed on the left and right sides of the nozzle unit 30, respectively.

  As shown in FIGS. 3 to 5, the guide rail 71 extends substantially parallel to the nozzle guide 33 of the nozzle unit 30, and the front end side thereof faces the nozzle protrusion 58 from the tank cover 50. The front base plate 24 is fixedly installed. In this embodiment, as shown in FIGS. 9 (a) and 9 (b), the guide rail 71 has a substantially C-shaped cross-section, and its side surface (in this embodiment, the side opposite to the nozzle unit 30). ) Is provided with a groove 71 a extending in the longitudinal direction of the guide rail 71.

  As shown in FIGS. 4 and 5, the guide rod 72 as an advance / retreat member is inserted into the guide rail 71 so as to be able to advance and retract from the front end side of the guide rail 71. Although detailed illustration is omitted, the shutter 60 is detachably connected to the front end side of the guide rod 72 by engaging the front end portion of the guide rod 72 with the engaging portion of the support body 62 described above. As shown in FIGS. 8 (a) and 8 (b), in this embodiment, the left and right guide rods 72, 72 engage with the engaging portions on the left and right ends of the rear surface of the support 62, respectively. ing.

  As shown in FIGS. 8 (a) and 8 (b), on the side surface of the guide rod 72, a ridge 72a slidably engaged with the groove 71a of the guide rail 71 is provided. The ridge 72a extends in the longitudinal direction of the guide rod 72, and the rack 73 extends on the side surface (the surface on the front end side in the protruding direction from the guide rod 72). That is, the rack 73 is exposed on the side surface of the guide rail 71 opposite to the nozzle unit 30 through the groove 71a.

  The motor unit 75 is disposed on the opposite side of the guide rail 71 from the nozzle unit 30, and the pinion 74 fixed to the drive shaft 75 a is engaged with the rack 73 and fixed to the front base plate 24. In this embodiment, the motor unit 75 includes an electric motor (not shown) as its power source.

  The tank cover 50 or the remote controller is provided with a shutter advance switch that operates the motor unit 75 so that the shutter 60 moves forward or backward. The motor unit 75 is controlled by the control circuit so that when the shutter advance switch is pressed once, it rotates forward to advance the shutter 60, and when it is pressed once more, it reverses and moves the shutter 60 backward. The

  In this embodiment, the forward limit switch (not shown) that stops the operation of the motor unit 75 when the guide rod 72 moves forward a predetermined distance along the guide rail 71, and the shutter 60 moves the nozzle protrusion 58. A backward limit switch (not shown) is provided to stop the operation of the motor unit 75 when it is retracted to a position where it can be closed.

  In this embodiment, the control circuit is configured not to operate the motor unit 75 even when the shutter advance switch is pressed when the tank cover unit 20 is not lifted. Whether or not the tank cover unit 20 is floating is determined based on a detection signal of the floating sensor.

  Further, in this embodiment, when the tank cover unit 20 is floated and the shutter 60 is in the advanced state, the lift switch is pushed to lower the tank cover unit 20. Even if the shutter advance switch is not pressed, the motor unit 75 is operated in reverse to retract the shutter 60 to the retracted position.

  Next, a usage method and a cleaning procedure of the toilet device configured as described above will be described.

  The state of Fig. 2 (a) and Fig. 3 is a state when a normal toilet is used. Until the shower cleaning switch or the bidet cleaning switch is operated, the shutter plate 61 shields the nozzle protrusion 58. When these switches are operated, the nozzle 32 (32A or 32B) moves forward, and the nozzle 32 pushes and opens the shutter plate 61 as shown by a two-dot chain line in FIG. Project into the pot 12. When the off switch is operated and the nozzle 32 is retracted, the shutter plate 61 is also restored to shield the nozzle projection 58 again.

  At the time of cleaning, first, the levitation switch is pushed to raise the tank cover unit 20 as shown in FIG. Next, the shutter advance switch is pushed to advance the shutter 60 as shown in FIG. 2 (b) and FIG. Thereafter, the shutter 60 is removed from the guide rod 72 and cleaned. The shutter 60 may be cleaned while the shutter 60 is connected to the guide rod 72.

  After the cleaning is completed, the shutter 60 is connected to the front end portion of the guide rod 72. Thereafter, the shutter advance switch is pressed to move the shutter 60 backward, and then the lift switch is pressed to lower the tank cover unit 20 onto the Western-style toilet 10. As a result, the state of FIG. 2 (b) and FIG. 3 is restored. In this embodiment, even if the levitation switch is pressed without pressing the shutter advance switch before the tank cover unit 20 is lowered, the shutter 60 is automatically retracted. It is not necessary to press the shutter advance switch before lowering.

  As described above, in this toilet apparatus, during cleaning, the shutter 60 can be moved forward and the shutter 60 can be positioned on the near side of the nozzle projection 58, so that the cleaning operator can use his / her arm to the toilet. The shutter 60 can be cleaned without extending to the back side of the bowl. Therefore, the cleaning operation of the shutter 60 can be performed easily.

  In this embodiment, since the shutter 60 can be attached to and detached from the guide rod 72, the shutter 60 can be removed from the guide rod 72 and carefully cleaned during cleaning. At this time, the shutter 60 can be positioned on the front side of the nozzle protrusion 58, so that the shutter 60 can be easily attached and detached.

  In this embodiment, the shutter 60 can be moved forward only when the tank cover unit 20 is in a state of floating from the upper surface of the rear portion of the western-style toilet 10, so that the shutter 60 is connected to the nozzle projection 58 when using a normal toilet. It is prevented from projecting into the toilet bowl 12 apart from the toilet bowl. Further, since the position of the shutter 60 also moves upward as the tank cover unit 20 floats, the cleaning operation of the shutter 60 or the attaching / detaching operation of the shutter 60 to the guide rod 72 can be performed with a more comfortable posture.

  In this embodiment, when the tank cover unit 20 is lowered to the rear upper surface of the western-style toilet 10, the shutter 60 is retracted to the retracted position, so that it is possible to prevent the shutter 60 from forgetting to retract after cleaning.

  In the above embodiment, the motor unit 75 including an electric motor is used as a power source for moving the shutter 60 forward and backward. However, in the present invention, the power source of the shutter 60 is not limited to this. .

  FIG. 10 is a cross-sectional view showing another configuration example of a motor for driving forward and backward movement of the shutter.

  In the embodiment of FIG. 10, a hydraulic motor 80 is used in place of the motor unit 75 having an electric motor as a power source of the shutter forward / reverse drive device 70 for moving the shutter 60 forward and backward.

  The hydraulic motor 80 includes a housing 81 that houses an impeller 82 therein, a first inlet 83 and a second inlet 84 for allowing water to flow into the housing 81, and water outside the housing 81, respectively. The outlet 85 etc. for making it flow out are provided. The impeller 82 is rotated by a water flow that circulates in the housing 81, and rotates in the normal rotation direction or the reverse direction depending on the direction of the water flow. One end of the rotating shaft 82a of the impeller 82 extends out of the housing 81, and the pinion 74 is connected to the rotating shaft 82a. The rotating shaft 82a rotates integrally with the impeller 82.

  In this embodiment, when water flows into the housing 81 from the first inflow port 83, the impeller 82 rotates in the forward rotation direction, and the guide rod 72 is advanced through the rotation shaft 82a and the pinion 74. At the same time, when water is caused to flow into the housing 81 from the second inlet 84, the impeller 82 rotates in the reverse direction to retract the guide rod 72.

  In this embodiment, the toilet apparatus includes a nozzle cleaning device (not shown) for cleaning the nozzle 32 by pouring cleaning water on the outer surface of the nozzle 32. Although not shown, the nozzle cleaning device includes a nozzle cleaning water tank, a nozzle cleaning water discharge pipe for discharging nozzle cleaning water from the nozzle cleaning water tank toward the outer surface of the nozzle 32, and a nozzle cleaning water tank. A water supply valve for switching between water supply and water stoppage to the water discharge pipe is provided.

  In this embodiment, a water supply pipe 91 for supplying water to the hydraulic motor 80 from the water supply flow path to the nozzle cleaning device is branched. The water supply pipe 91 is bifurcated through a switching valve 93 on the way, one branch pipe 92a branched from the switching valve 93 is connected to the first inlet 83, and the other branch pipe 92b is connected to the first branch pipe 92b. 2 is connected to the inflow pipe 84. A drainage pipe (not shown) for draining water to the toilet bowl 12 is connected to the outlet 85.

  That is, the water supply flow path to this hydraulic motor 80 is to the water supply flow path of the buttock washing water to the nozzle 32 or the nozzle washing water discharge pipe for washing the nozzle 32 by pouring water on the outer surface of the nozzle 32. This is a separate flow path from the water supply flow path. In addition, said structure is an example and the structure of the water supply flow path to the hydraulic motor 80 is not limited to said structure.

  In this embodiment, when the shutter advance switch is pressed once, the switching valve 93 is switched so as to supply water from the water supply pipe 91 to the branch pipe 92a, and the water supply pump (not shown) is operated, so that the first inflow port is operated. Water flows from 83 into the housing 81. Thereby, the impeller 82 rotates in the forward rotation direction, and the guide rod 72 moves forward. After that, when the shutter advance switch is pushed once more, the switching valve 93 is switched so as to supply water from the water supply pipe 91 to the branch pipe 92b, and the water supply pump is operated, and the second inlet 84 enters the housing 81. Water flows in, the impeller 82 rotates in the reverse direction, and the guide rod 72 moves backward.

  In this embodiment, the forward limit switch (not shown) that stops the operation of the water supply pump when the guide rod 72 moves forward by a predetermined distance, and the shutter 60 moves backward to a position where the nozzle protrusion 58 can be closed. A reverse limit switch (not shown) is provided for stopping the operation of the water supply pump when the operation is performed.

  The other structure of this embodiment is the same as that of the embodiment shown in FIGS.

  In the present invention, the guide rod 72 may be advanced and retracted by a power source other than the power motor and hydraulic motor as described above, for example, a solenoid.

  Each of the above embodiments shows an example of the present invention, and the present invention is not limited to each of the above embodiments.

  For example, the present invention can also be applied to a toilet apparatus configured so that the tank cover unit 20 does not move up and down.

  In this case, although illustration is omitted, for example, the tank cover unit 20 or the toilet seat 14 is provided with a seating detection sensor for detecting the seating of the toilet user on the toilet seat 14, and when the toilet user is seated on the toilet seat 14 The control circuit of the shutter forward / reverse drive device 70 may be configured so that the shutter 60 cannot be moved forward and the shutter 60 can be moved back and forth when the toilet user is not seated on the toilet seat 14.

  Alternatively, for example, the tank cover unit 20 or the toilet seat 14 is provided with a toilet seat standing detection sensor that detects that the toilet seat 14 is in the standing posture, and when the toilet seat 14 is not in the standing posture, the shutter 60 cannot be moved forward, When the toilet seat 14 is in the standing posture, the control circuit of the shutter forward / reverse drive device 70 may be configured so that the shutter 60 can be advanced and retracted.

  With this configuration, it is possible to prevent the shutter from moving forward and projecting into the toilet bowl while the toilet user is sitting on the toilet seat and adding to the use.

  In the above embodiment, the tank cover unit 20 (low tank cover) is installed as a casing on the upper surface of the rear part of the western-style toilet 10, but a toilet seat box (not shown) is installed instead of the tank cover unit 20. May be.

It is a perspective view of the western style toilet bowl provided with the toilet device which concerns on embodiment. It is a side view which shows the raising / lowering operation | movement of the tank cover unit of the toilet apparatus of FIG. It is sectional drawing of the shutter vicinity at the time of the tank cover unit lowering of the toilet apparatus of FIG. It is sectional drawing of the shutter vicinity at the time of the tank cover unit floating of the toilet apparatus of FIG. It is sectional drawing of this shutter vicinity at the time of shutter advance of the toilet apparatus of FIG. It is a perspective view of the shutter of the toilet apparatus of FIG. 1, a shutter forward / rearward drive device, and a nozzle unit. It is sectional drawing which follows the VII-VII line of FIG. It is the perspective view and sectional drawing of the shutter and guide rod of the toilet apparatus of FIG. It is the perspective view and sectional drawing of the guide rail of the toilet apparatus of FIG. It is sectional drawing which shows another structural example of the motor for shutter forward / backward drive.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Western style toilet 20 Tank cover unit 22 Rear base plate 24 Front base plate 30 Nozzle unit 32 (32A, 32B) Nozzle 33 Nozzle guide 50 Tank cover 60 Shutter 61 Shutter plate 62 Support body 70 Seat forward / backward drive device 71 Guide rail 72 Guide rod 75 Motor unit 80 Hydraulic motor

Claims (7)

A casing that is installed on the rear upper surface of the Western-style toilet and has a nozzle projection at the front;
A nozzle for washing with warm water, which is arranged in the casing and can protrude forward through the nozzle projection,
In a toilet apparatus provided with a shutter capable of closing the nozzle protrusion when the nozzle does not protrude and opening the nozzle protrusion when the nozzle protrudes,
The shutter is movable substantially in the front-rear direction so as to be able to take a retracted position where the nozzle protruding port can be opened and closed and an advanced position protruding forward away from the nozzle protruding port .
The toilet device further includes:
It has an advancing / retracting member installed in the casing, capable of moving back and forth substantially in the front-rear direction, and having the shutter connected to the front end;
The advancing / retreating member is provided separately from the nozzle, and can be advanced / retreated even when the nozzle is not projected . According to claim 1, wherein the toilet system further comprises a driving equipment for advancing and retracting the advancing and retracting member,
The toilet device is configured to advance and retract the advance / retreat member by a driving force of an electric motor. 3. The toilet apparatus according to claim 1 , wherein the shutter is detachably connected to the advance / retreat member. In any 1 paragraph of Claims 1 thru / or 3, The above-mentioned casing is installed so that it can move up and down with respect to the rear upper surface of the above-mentioned Western style toilet bowl,
When the casing is lowered to the rear upper surface of the western-style toilet, the shutter cannot advance from the retracted position, and when the casing is lifted from the rear upper surface of the western-style toilet, the shutter is moved back and forth. A toilet device that is configured to be able to advance.   5. The toilet apparatus according to claim 4, wherein the toilet apparatus is configured such that the shutter is retracted to the retracted position when the casing is lowered to the upper surface of the rear portion of the western-style toilet. In any 1 item | term of the Claims 1 thru | or 3, The said toilet apparatus is equipped with the seating detection means which detects seating on the toilet seat of a toilet bowl user,
When the toilet user is seated on the toilet seat, the shutter cannot advance from the retracted position, and when the toilet user is not seated on the toilet seat, the shutter can be moved forward and backward. Toilet device characterized by that. In any one of Claims 1 thru | or 3, the toilet seat is attached to the front part of the said casing so that rotation in the up-down direction is possible,
The toilet device includes toilet seat standing detection means for detecting that the toilet seat is in a standing posture,
When the toilet seat is in a lying posture, the shutter cannot move forward from the retracted position, and when the toilet seat is in a standing posture, the shutter can be moved forward and backward. Toilet equipment.

Images