JP2007297869A - Toilet device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a toilet device by which a shutter detachably fitted to a nozzle-projection opening part of a casing is prevented from coming off from the casing when it is not intended. <P>SOLUTION: The shutter 60 is detachably fitted to the nozzle-projection opening part 58 of a tank cover unit 20. A projecting part 63 is formed downward from a supporting body 62 of the shutter 60. A recessed part 65 with which the projecting part 63 is engaged from the above is formed in a rear base plate 22 fixed to a Western-style toilet bowl 10. In a state that the tank cover unit 20 is lowered, the projecting part 63 is engaged with the recessed part 65 from the above to prevent the shutter 60 from coming off. When the tank cover unit 20 is lifted, the projecting part 63 comes out of the recessed part 65 to enable the shutter 60 to be disengaged. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  According to the present invention, a front opening of a casing installed on a rear upper surface of a Western-style toilet is provided with a protruding opening for a sanitary washing nozzle housed in the casing. When the nozzle does not protrude, the opening is opened by a shutter. The present invention relates to a toilet apparatus configured to be closed and to be opened by being pushed by a nozzle when the nozzle protrudes, and more particularly to a toilet apparatus in which the shutter is detachably installed on a casing.

  As is well known, the sanitary washing device has a casing installed on the upper surface of the rear part of the Western-style toilet and a washing nozzle installed in the casing, and cleans the buttocks of the human body with hot water ejected from the washing nozzle. Is. A toilet seat is pivotally supported with respect to this casing. In some cases, a warm air fan is installed in the casing, and after washing, the warm air is blown onto the human heel part to dry the heel part. Some have a deodorizing device for sucking odor from the toilet bowl.

The nozzle of the above-described sanitary washing device can protrude forward through an opening provided in the front portion of the casing.
<Conventional example of shutter>
Sewage such as urine gets into this opening and sticks, which may cause odor. In order to prevent the intrusion of sewage into such a gap, Japanese Patent Application Laid-Open No. 10-195957 discloses an apparatus having an opening for protruding a nozzle in the front part of the casing. It is described that sewage is prevented from entering inside.

  When the opening is shielded by the shutter in this way, dirty water adheres to the shutter itself, and the shutter needs to be cleaned.

  Japanese Patent Laying-Open No. 2005-171541 describes a toilet seat device in which a shutter portion for preventing intrusion of sewage is detachably installed. 2 to 4 of the publication include a shutter plate and a rectangular tube-like support that supports the shutter plate so as to be swingable, and the support is attached to and detached from the tip of the nozzle mount of the toilet seat device. A possible mounted configuration is shown. The support is attached to the tip of the nozzle mount by covering the support with the tip of the nozzle mount and elastically engaging a claw provided on the support with a hole provided on the nozzle mount. Is done.

In this toilet seat device, when the nozzle does not protrude, the shutter plate shields the nozzle protrusion opening of the casing, and when the nozzle protrudes, the shutter plate is pushed by the nozzle to open, and the nozzle passes through the opening and moves forward. Protrusively.
<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 carefully cleaned.
JP-A-10-195957 JP 2005-171541 A JP-A-9-28619

  In the above Japanese Patent Application Laid-Open No. 2005-171541, the shutter is fixed to the tip of the nozzle mount by placing a shutter plate support on the tip of the nozzle mount, and a claw provided on the support is provided on the nozzle mount. Since it is only elastically engaged with the hole, there remains anxiety in fixing the shutter. That is, for example, when the nozzle presses the shutter plate when the nozzle protrudes, there is a possibility that the claw is mistakenly removed from the hole by this pressing force, and the shutter falls off the casing. Further, when cleaning the toilet bowl, there is a possibility that the cleaning operator's hand, cleaning tool or the like may be accidentally caught by the shutter and the shutter may fall off.

  It is an object of the present invention to provide a toilet apparatus in which a shutter detachably installed in a nozzle protruding opening of a casing does not detach from the casing when the casing is lowered, and can be removed only when the casing is floating. Objective.

  The toilet apparatus according to claim 1 is installed on a rear upper surface of a Western-style toilet, and has a casing having an opening at the front, a sanitary washing nozzle that is disposed in the casing and protrudes forward, and is attached to the casing. And a shutter that closes the opening when the nozzle is not projected, and when the nozzle is projected, the shutter is pushed and opened by the nozzle, and the nozzle projects forward through the opening. In the toilet apparatus in which the shutter is detachable from the casing, the casing is installed so as to be movable up and down with respect to the upper surface of the rear part of the western style toilet. When the shutter is lowered to the upper surface of the rear portion, the shutter is prevented from being detached from the casing, and when the casing floats from the rear upper surface of the western-style toilet, Shutter detachment preventing means to permit withdrawal from the casing of Yatta is characterized in that is provided.

  A toilet apparatus according to a second aspect of the present invention is the toilet apparatus according to the first aspect, wherein the casing includes a fixed base fixed to a rear upper surface of the Western-style toilet, and a floating body that can move up and down, and the shutter includes the floating body The shutter detachment preventing means includes an engaging portion provided on the shutter and an engaged portion provided on the fixed base, and in a state where the floating body is lowered When the engaging portion and the engaged portion are engaged to prevent the shutter from being detached, and the floating body is lifted, the engaging portion and the engaged portion are configured so that the shutter can be detached. The engagement is released.

  According to a third aspect of the present invention, there is provided a toilet apparatus according to the second aspect, wherein the shutter includes a shutter plate and a support member for the shutter plate, and the shutter plate is supported by the support member in a swingable manner. The support is provided with the engaging portion.

  A toilet device according to a fourth aspect is the toilet device according to the second or third aspect, wherein the engaging portion is a convex portion or a concave portion provided downward, and the engaged portion has the convex portion or the concave portion from above. It is a recessed part or convex part which can be engaged, It is characterized by the above-mentioned.

  A toilet apparatus according to a fifth aspect of the present invention is the toilet apparatus according to any one of the second to fourth aspects, wherein the support is provided with a knob portion that can be picked at the time of attachment and detachment.

  In the toilet apparatus of the present invention, the casing is installed on the rear upper surface of the Western-style toilet so as to be movable up and down, and can be attached to and detached from the casing when the casing is lowered to the rear upper surface of the Western-style toilet. The shutter attached to the shutter is prevented from detaching from the casing by the shutter detachment preventing means.

  Therefore, when the casing is lowered to the upper surface of the rear part of the western style toilet, that is, during normal use of the toilet, even if the sanitary washing device is operated and the nozzle is protruded, the shutter is released by the pressing force from the nozzle. It will not fall out of the casing. Further, in this state, even if a cleaning operator's hand, a cleaning tool, or the like is accidentally caught on the shutter, the shutter will not fall off.

  The shutter detachment prevention means is configured to allow the detachment of the shutter from the casing when the casing floats from the upper surface of the rear part of the western style toilet. Therefore, the shutter can be removed from the casing only when the casing is lifted from the upper surface of the rear part of the western-style toilet during toilet cleaning or maintenance. Further, by attaching and detaching the shutter in such a state that the casing is floated from the upper surface of the toilet bowl, it becomes easier to perform the operation of attaching and detaching the shutter.

  In the present invention, the shutter cannot be detached from the casing unless the operator lifts the casing from the upper surface of the toilet as described above, and creates the situation where cleaning or maintenance is performed. It is possible to prevent the shutter from being accidentally dropped.

  In the aspect of claim 2, when the shutter moves up and down together with the floating body of the casing and the floating body descends to the fixed base, the engaging portion of the shutter engages with the engaged portion of the fixed base. The release of the shutter from the floating body is surely prevented. Further, when the floating body floats from the fixed base, the engagement between the engaging portion and the engaged portion is released, and the shutter can be detached from the floating body.

  According to a third aspect of the present invention, the shutter includes a shutter plate and a support body that swingably supports the shutter plate, and the support body is provided with the engaging portion. Is lowered to the fixed base, the engaging portion engages with the engaged portion, and the shutter plate cannot be detached from the casing via the support. In this state, when the nozzle pushes the shutter plate when the nozzle protrudes, the shutter plate swings forward with respect to the support and opens.

  By making the engaging part and the engaged part have a concave-convex fitting structure as in claim 4, it is possible to reliably prevent the shutter from being detached from the casing when the floating body is lowered with a simple structure. Can do.

  As described in claim 5, by providing a knob on the support, the shutter can be easily attached and detached by picking the knob.

  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 bowl equipped with a toilet device according to the embodiment, FIG. 2 is a side view showing the lifting operation of the front part of the tank cover unit of the toilet device, and FIGS. 3 and 4 are FIG. 5 is a longitudinal sectional view of the front portion of the casing, showing a configuration in the vicinity of the shutter of the toilet apparatus, and FIG. 5 is a perspective view of the shutter.

  FIGS. 1, 2 (a) and 3 show the state where the casing is lowered, and FIGS. 2 (b) and 4 show the state where the casing has floated. FIG. 5 (a) is an overall view of the shutter, and FIG. 5 (b) shows a state in which the shutter plate is removed from the shutter plate support.

  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 is composed of a rear base plate 22 on the rear half side and a front base plate 24 on the front half side of the tank cover unit 20, and the front base plate 24 can be moved up and down by a lift guide member 26. A nozzle unit 30 of a sanitary washing device is installed on the front base plate 24. The rear base plate 22 partially extends to the lower side of the nozzle unit installation portion of the front base plate 24. In this portion, a protrusion 63 described later can be engaged from above as an engaged portion. The recess 65 is provided.

  The raising / lowering mechanism of the front base plate 24 can be arbitrarily configured. For example, the raising / lowering mechanism of the front base plate 24 may be of a manual type (a method in which a cleaning operator or the like lifts himself / herself). It may be a formula.

  Although not shown, on the front base plate 24 or the rear base plate 22, various devices such as a deodorizing device and a hot air drying device, a low tank for supplying cleaning water to the toilet bowl 12, and hot water for the nozzle unit 30. There are also provided a hot water tank with a heater, a room heating fan comprising a water supply pump, a heater and an electric fan, a power supply board, a control circuit board, and the like.

  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. Although the handwashing bowl 56 is provided in the upper part of the tank cover 50, this handwashing bowl 56 may be abbreviate | omitted.

  In this embodiment, a casing is constituted by the tank cover 50, the front base plate 24 and the rear base plate 22. Among these, the tank cover 50 and the front base plate 24 constitute a floating body, and the rear base plate 22 constitutes a fixed base. In the following description, the tank cover 50 and the front base plate 24 may be collectively referred to as a tank cover unit 20.

  An opening 58 is provided at the front lower end of the tank cover 50 for projecting the nozzle 32 (32A, 32B) of the nozzle unit 30 into the toilet bowl 12. A shutter 60 for closing the opening 58 is detachably installed.

  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. A nozzle guide 33, a motor 34 for moving the nozzles 32A and 32B back and forth via a rack and pinion mechanism 34a, a nozzle switching valve 35 for switching the supply destination of hot water to one of the nozzles 32A and 32B, and the like. . This switching is performed by a control circuit (not shown) based on the operation of a toilet user switch (not shown).

  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 motor 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 thereof faces the opening 58 from the inside of the tank cover 50. Although detailed illustration is omitted, in this embodiment, a shutter mounting portion is provided at the tip of the nozzle guide 33.

  The shutter 60 includes a shutter plate 61 for shielding the opening 58, a support body 62 that supports the shutter plate 61, a convex portion 63 as an engaging portion that is erected downward from the support body 62, A knob portion 64 and the like that an operator picks when attaching and detaching the shutter 60 are provided.

  In this embodiment, the support 62 is detachably connected to the shutter mounting portion at the tip of the nozzle guide 33. That is, in this embodiment, the shutter 60 is detachably installed on the floating body via the nozzle unit 30. The support body 62 has a frame shape that is externally fitted to the distal end side of the nozzle guide 33 so as to surround the distal end sides of the nozzles 32A and 32B, and a pair of nozzles through which the nozzles 32A and 32B pass. It has passage holes 62b and 62b.

  The knob portion 64 is disposed near the center of the lower portion of the support 62, and the convex portion 63 is separated from the knob portion 64 so that it does not get in the way when an operator picks the knob portion 64. They are respectively arranged on the left and right ends of the lower part of the support 62.

  In this embodiment, a claw 64a for locking to the nozzle guide 33 is provided on the proximal end side of the knob portion 64, and the support body 62 is externally fitted to the distal end of the nozzle guide 33. Further, the claw 64 a is elastically engaged with a claw engaging portion (not shown) provided at the tip of the nozzle guide 33, so that the support body 62 is held at the tip of the nozzle guide 33. ing.

  Thus, in a state where the support body 62 is held at the tip of the nozzle guide 33, as shown in FIGS. 3 and 4, each convex portion 63 protrudes below the lower surface of the front base plate 24. In the rear base plate 22, the concave portions 65 with which the convex portions 63 can be engaged from above are formed at positions facing the convex portions 63. As shown in FIG. 3, when the front base plate 24 is lowered onto the rear base plate 22, the convex portions 63 are engaged with the corresponding concave portions 65 from above, whereby the support body 62. Detachment from the nozzle guide 33 is prevented.

  As shown in FIG. 4, when the front base plate 24 is lifted from the rear base plate 22, the projections 63 come out of the recesses 65 and the engagement between the two is released. Thereby, the support body 62 can be detached from the nozzle guide 33.

  That is, in this embodiment, the protrusion 63 and the recess 65 constitute shutter release prevention means for preventing the shutter 60 from being released.

  As shown in FIG. 5A, the shutter plate 61 is disposed so as to cover the front surface of the support body 62, and its upper end is supported by the support body 62 so as to be swingable in the front-rear direction via the pivot 61a. Yes. Reference numeral 62a in FIG. 5 (b) denotes a bearing that rotatably holds the pivot 61a.

  When attaching and detaching the shutter 60, the support plate 62 can be held by holding the knob 64 by opening the shutter plate 61 upward to expose the knob 64.

  Next, a procedure for attaching and detaching the shutter 60 in a toilet apparatus including the shutter 60 having such a configuration will be described.

  When attaching the shutter 60, first, as shown in FIGS. 2 (b) and 4, the tank cover unit 20 (the front base plate 24 and the tank cover 50) is removed from the rear upper surface (rear base plate 22) of the western-style toilet 10. Make it rise. Next, the knob 64 is picked to hold the support 62, and the support 62 enters the opening 58. Then, the support body 62 is fitted on the tip (shutter mounting portion) of the nozzle guide 33 facing the opening 58 from the inside of the tank cover 50. At this time, the claw 64 a is engaged with the claw engaging portion at the tip of the nozzle guide 33, and the support body 62 is held by the nozzle guide 33.

  Thereafter, the tank cover unit 20 is lowered to the upper surface of the rear part of the western-style toilet 10 as shown in FIG. As a result, as shown in FIG. 3, each convex portion 63 engages with each concave portion 65 of the rear base plate 22 from above, and the separation of the support 62 from the nozzle guide 33 is prevented. As a result, the shutter 60 cannot be removed, and the attachment of the shutter 60 is completed.

  The state shown in FIGS. 2 (a) and 3 is a state when a normal toilet is used. The shutter plate 61 shields the opening 58 until the shower cleaning switch or the bidet cleaning switch is operated. When these switches are operated, the nozzle 32 (32A or 32B) moves forward, and the nozzle 32 pushes open the shutter plate 61 to open the toilet bowl 12 from the opening 58, as shown by a two-dot chain line in FIG. Protrusively inside. When the off switch is operated and the nozzle 32 is retracted, the shutter plate 61 is also restored to shield the opening 58 again.

  When removing the shutter 60, the tank cover unit 20 is lifted from the upper surface of the rear part of the western-style toilet 10, as shown in FIG. As a result, as shown in FIG. 4, each convex portion 63 comes out upward from the concave portion 65, and release prevention of the support body 62 from the nozzle guide 33 is released. Thereafter, the shutter plate 61 is opened, the knob 64 is picked, the support 62 is separated from the nozzle guide 33 so as to be pulled out from the claw engaging part, and pulled out of the opening 58. Thereby, the removal of the shutter 60 is completed.

  After removing the shutter 60, the periphery of the shutter 60 and the opening 58, the lower portion of the front base plate 24, and the like can be carefully cleaned.

  After the cleaning is completed, the shutter 60 is attached according to the attachment procedure described above, and the state shown in FIGS. 2 (a) and 3 is restored.

  As described above, in the toilet apparatus, when the tank cover unit 20 is lowered to the upper surface of the rear portion of the western-style toilet 10, that is, during normal use of the toilet, Since the support 62 is prevented from being detached from the nozzle guide 33 by the concave and convex fitting, for example, when the pressing force is applied from the nozzle 32 to the shutter plate 61 when the nozzle 32 protrudes, the shutter 60 comes off. Is reliably prevented.

  In addition, said embodiment shows an example of this invention and this invention is not limited to said embodiment.

  For example, in the above embodiment, the support 63 of the shutter 60 is provided with the convex portion 63 as the engaging portion, and the rear base plate 22 is provided with the concave portion 65 as the engaged portion with which the convex portion 63 is engaged. However, the rear base plate 22 may be provided with a convex portion 63, and the support body 62 may be provided with a concave portion 65 with which the convex portion 63 engages. Moreover, there is no restriction | limiting in particular in the number of these convex parts 63 and the recessed parts 65, These shapes are also not limited to a specific shape.

  In the present invention, a configuration other than such a concave-convex fitting structure may be employed as the shutter detachment prevention means.

  In the embodiment described above, the entire tank cover unit 20 is configured to float from the upper surface of the rear portion of the western-style toilet 10, but for example, only the front portion of the tank cover unit 20 floats from the upper surface of the rear portion of the western-style toilet bowl 10. It may be a configuration.

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 a perspective view which shows the structure of a shutter.

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 63 Convex part 64 Knob part 65 Concave part

Claims (5)

A casing installed on the upper rear surface of the Western-style toilet and having an opening in the front;
A sanitary washing nozzle disposed in the casing and projecting forward;
A shutter attached to the casing and closing the opening when the nozzle does not protrude;
When the nozzle protrudes, the shutter is pushed and opened by the nozzle, and the nozzle projects forward through the opening,
In the toilet apparatus in which the shutter is detachable from the casing,
The casing is installed to be movable up and down with respect to the upper surface of the rear part of the Western-style toilet.
When the casing is lowered to the upper surface of the rear part of the western-style toilet, the shutter is prevented from being detached from the casing, and when the casing floats from the upper surface of the rear part of the western-style toilet, the casing of the shutter A toilet apparatus characterized in that a shutter detachment preventing means that allows detachment from the shutter is provided. In Claim 1, the casing comprises a fixed base fixed to the rear upper surface of the Western-style toilet, and a floating body that can move up and down.
The shutter is detachably held on the floating body,
The shutter detachment preventing means includes an engaging portion provided on the shutter and an engaged portion provided on the fixed base.
When the floating body is lowered, the engaging portion and the engaged portion are engaged to prevent the shutter from being detached, and when the floating body is floated, the shutter can be detached. A toilet device characterized in that the engagement between the engaging portion and the engaged portion is released. In Claim 2, the shutter includes a shutter plate and a support body of the shutter plate,
The shutter plate is swingably supported by the support,
A toilet apparatus, wherein the support is provided with the engaging portion.   4. The engagement portion according to claim 2, wherein the engaging portion is a convex portion or a concave portion provided downward, and the engaged portion is a concave portion or a convex portion with which the convex portion or the concave portion can be engaged from above. Toilet device characterized by being.   The toilet device according to any one of claims 2 to 4, wherein the support body is provided with a knob portion that can be picked up when being attached and detached.

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