JP2009256917A - Toilet bowl device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a toilet bowl device which facilitates maintenance, replacement, etc. of a mixing device. <P>SOLUTION: A toilet-bowl outer-hull body 2 with a toilet bowl shape is composed of: a front part F which is equipped with a bowl portion 3 and opened backward; and a rear part R which is opened forward. An in-toilet-bowl mounted unit 23, which is composed of in-toilet-bowl mounted equipment 25 and an equipment case 24 for supporting the in-toilet-bowl mounted equipment 25, is arranged in the rear part R. A leading end block 33 is provided at the downstream-side end of a water supply channel 32 for supplying water to the bowl portion 3. A front portion of the leading end block 33 is detachably fitted into a water supply port 36 which is provided in the bowl portion 3 and opened backward. A rear portion of the leading end block 33 and the equipment case 24 are fixed together from a lateral side by means of a fixing implement 59. The fixing implement 59 is covered with a side cover 21 which is detachably attached to the toilet-bowl outer-hull body 2. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a toilet device for cleaning a bowl portion with a cleaning liquid containing a detergent.

  Conventionally, for example, as shown in Patent Document 1, a toilet device that supplies a cleaning liquid containing a detergent into a bowl portion of a toilet has been used.

  Further, in recent years, a mixing device 33a is provided as a tip block 33 at the downstream end of the water supply channel for supplying water to the bowl portion 3 of the toilet casing 2, and detergent is mixed with the water flowing through the water supply channel in the mixing device 33a. Thus, a toilet device is used in which the bowl portion 3 can be cleaned with a cleaning liquid containing a detergent having a high cleaning effect.

As shown in FIGS. 11 and 12, the toilet device includes a front part F that opens the toilet outer body 2 that forms the outer shell of the toilet bowl, and a rear part R that opens forward. It consists of At the rear part of the toilet bowl 2, as a toilet interior device, a device unit 23 including a toilet interior device such as a hot water washing device and a device case 24 that supports the toilet interior device is provided. The front part of the device unit 23 is inserted into the front part F, and the rear part is covered with a rear part R which is detachable from the toilet casing 2. The above-described mixing device 33a is fixed to the front portion of the device case 24 by a screw tool (not shown) inserted from above, and the front portion of the device unit 23 to which the mixing device 33a is attached as described above. By inserting into the front part F, the mixing device 33 a is located in the front part F in the vicinity of the bowl part 3 and connected to the bowl part 3.
JP 2008-2138 A

  By the way, the screw for fixing the mixing device 33a to the device case 24 is covered with the front part F, and is configured not to be exposed to the outside even if the rear part R is removed. Therefore, the mixing device 33a cannot be removed while the device unit 23 is mounted in the rear part of the toilet bowl outer body 2. When the mixing device 33a is to be maintained or replaced, the mixing device 33a is installed in a narrow toilet room. Therefore, the complicated operation of taking out the entire device unit 23 attached to the toilet bowl 2 from the toilet bowl body 2 is required.

  The present invention has been made in view of the above circumstances, and provides a toilet device that can easily perform maintenance, replacement, and the like of a tip block such as a mixing device provided at a downstream end of a water supply channel. Is an issue.

  In order to solve the above problems, a toilet device according to claim 1 of the present invention has the following configuration. A toilet bowl body 2 having a toilet bowl shape is configured by a front part F having a bowl portion 3 that opens rearward and a rear part R that opens forward. The toilet interior device is disposed in the rear part R. A tip block 33 is provided at the downstream end of the water supply channel 32 for supplying water to the bowl portion 3. The front connection portion of the tip block 33 is detachably fitted into a water supply opening 36 provided at the rear of the bowl portion 3, and the rear portion of the tip block 33 is fixed to the toilet interior device from the side by a fixing tool 59. The fixing tool 59 is covered with a side cover 21 that is detachably attached to the toilet casing 2.

  Further, claim 2 has the following configuration in addition to the configuration of claim 1. A portion of the water supply channel 32 on the upstream side of the front end block 33 is constituted by a flexible water supply pipe 38.

  In the invention according to claim 1, by removing the side cover from the toilet bowl, it is possible to expose the fixing tool that fixes the mixing device to the toilet interior device, so that the toilet interior device remains in the toilet outer body. Thus, the tip block can be removed from the toilet interior device, and the maintenance and replacement of the tip block can be easily performed.

  In addition, in the invention according to claim 2, in addition to the effect of the invention according to claim 1, the upstream portion of the water supply channel with respect to the front end block is constituted by a flexible water supply pipe, so the front end block is removed from the toilet interior device. In this case, it becomes possible to move the tip block by deforming the flexible water supply pipe, and thus the tip block can be easily removed from the toilet interior device without removing the water supply pipe from the toilet device. Maintenance, replacement, etc. can be performed more easily.

  Hereinafter, the present invention will be described based on embodiments shown in the accompanying drawings. A toilet apparatus 1 according to the present embodiment shown in FIGS. 1 to 10 includes a toilet bowl body 2 made of synthetic resin having a bowl portion 3 and a metal that is built in the toilet bowl body 2 to support and reinforce the toilet bowl body 2. A support frame 4 made of metal is provided.

  As shown in FIG. 1, the support frame 4 includes a lower frame material 5 in a plan view that is installed on the floor, and a rear frame material 6 that is erected on both sides of the rear portion of the lower frame material 5.

  A trap case 7 is attached to the rear portion of the lower frame material 5. The trap housed in the trap case 7 is of a turn trap type and comprises a flexible trap cylinder 8 as shown in FIG. One end of the trap tube 8 is connected to a drain tube portion 9 protruding rearward from the lower portion of the bowl portion 3, and the other end is a free end.

  The trap cylinder 8 is rotated by a motor provided in the trap case 7 to form a trap structure in which the opening on the free end side is upward, and to release the trap structure with the opening on the free end side downward. The state to be drained can be selected. The lower end of the trap case 7 is connected to a discharge hole (not shown) provided in the floor, and the trap structure of the trap cylinder 8 is released, so that the accumulated water in the bowl 3 is trapped in the trap cylinder 8 and the trap It is discharged from the discharge hole through the case 7.

  As shown in FIG. 2, the toilet bowl 2 is composed of a front part F that opens rearward and a rear part R that opens forward.

  The front part F that constitutes the front shell of the toilet outer shell 2 includes a skirt portion 10 having a substantially U shape in a plan view, a bowl portion 3 positioned in the skirt portion 10, and a rim portion positioned on the bowl portion 3. 11, and the synthetic resin skirt portion 10, bowl portion 3, and rim portion 11 are fixedly integrated by welding or adhesion.

  The front part of the lower frame material 5 is fitted inside the lower end part of the skirt part 10 that covers the outside of the bowl part 3, and the front part F is secured by fixing the skirt part 10 to the support frame 4 with a screw or the like in this state. Is fixed to the support frame 4.

  As shown in FIG. 3, the rim portion 11 includes a toilet seat placing portion 12 for constituting the upper surface of the front part F and placing the toilet seat 13 thereon. As shown in FIGS. 6 and 8, a water return portion 14 is integrally raised on the rear edge of the toilet seat placement portion 12 over the entire length, and a device storage portion that opens rearward inside the water return portion 14. 15 is formed.

  Each of the left and right end portions of the water return portion 14 is constituted by an upright portion 17 protruding rearward from the center portion, and each upright portion 17 is further formed from the rear edge of the skirt portion 10 as shown in FIG. Also protrudes backwards.

  The toilet bowl 2 is provided with a toilet interior device as a structure. Examples of the toilet interior device include the toilet interior device 25 such as the hot water cleaning device 27, the device case 24 provided with the toilet interior device 25, the support frame 4 described above, the trap case 7, and the like.

  In the present embodiment, the toilet interior device is a device unit 23 configured by providing the appliance case 24 with toilet interior devices 25 such as a hot water cleaning device 27, a deodorizing device 26, a cleaning liquid discharge device 30, and a control circuit 28.

  The device unit 23 is installed in the upper part of the rear part of the toilet casing 2, and as shown in FIG. 7, a hot water cleaning device 27, a deodorizing device 26, a cleaning liquid discharge device 30, and a control circuit constituting the toilet interior device 25. 28 and the like are collectively provided in the device case 24.

  Of the group of toilet interior devices 25, the cleaning liquid discharge device 30 shown in FIG. 10 selectively discharges cleaning liquid formed by mixing water or a detergent containing a surfactant into the water into the bowl section 3. The inner surface of the toilet bowl 2 is washed and is installed at the side end of the toilet bowl 2.

  As shown in FIG. 3, the cleaning liquid discharge device 30 includes a water supply path 32 that supplies water to the bowl portion 3 and a tip block 33 provided at a downstream end of the water supply path 32. As the block 33, a mixing device 33a for mixing the detergent with the water supplied from the water supply channel 32 is provided. In the present embodiment, the mixing device 33a is provided as the tip block 33, but the tip block 33 may be changed as appropriate, for example, by configuring the tip block 33 with a nozzle that forms the downstream end of the water supply channel.

  The water supply channel 32 is connected to a water pipe (not shown). A water supply control valve 37 comprising an electromagnetic valve is provided upstream of the water supply passage 32, and the presence or absence of water supply to the water supply passage 32 is switched by opening and closing the water supply control valve 37.

  FIG. 9 shows a mixing device 33a. Refer to FIG. 10 for the internal structure of the mixing device 33a. The mixing device 33a includes a water flow path portion 39 that forms the downstream end of the water supply path 32, a circulation flow path section 43 that forms part of the circulating detergent path 45, the circulation flow path section 43, and the water flow path section 39. It is configured by unitizing the branch flow path portion 44 connected in communication and the circulation pump 53 provided in the circulation flow path portion 43.

  The water channel portion 39 is a channel that is long in the front-rear direction, and includes a connection nozzle 46, an ejector pipe 47, and a discharge nozzle 48 that are provided in order from the rear side that is the upstream side.

  An intermediate portion in the front-rear direction of the ejector pipe 47 is constituted by a small-diameter portion 49 having a smaller flow path area than the other portions, and the small-diameter portion 49 is provided with a detergent mixing port portion 55. A tip portion of the tapered connection nozzle 46 is connected to the upstream portion 50 that forms the upstream side of the small diameter portion 49 of the ejector pipe 47. A downstream end of a flexible water supply pipe 38 constituting a part of the water supply passage 32 is detachably connected to the rear end portion of the connection nozzle 46.

  An intake port 52 is provided in the vicinity of the tip of the connection nozzle 46 in the upstream portion 50 of the ejector pipe 47. The other end of the air supply path 51 whose one end is open to the atmosphere is connected to the air inlet 52.

  A long and narrow branch channel 44 is connected to the detergent mixing port 55 of the small diameter portion 49. The upper end of the branch flow path portion 44 is integrally connected to the circulation flow path portion 43, and the upstream end of the circulation flow path portion 43 is connected to the discharge side of the circulation pump 53. The suction side of the circulation pump 53 and the downstream end of the circulation channel portion 43 are connected in communication by the main channel portion 56 of the circulation detergent passage 45, and the circulation detergent passage 45 is constituted by the main channel portion 56 and the circulation channel portion 43. .

  A detergent tank 41 is provided in the middle of the main flow path portion 56, and the detergent in the detergent tank 41 circulates in the circulating detergent path 45 by operating the circulation pump 53. In addition, a valve 57 is provided in the branch channel portion 44. The valve 57 is set to open when the circulation pump 53 is in operation and closed when the circulation pump 53 is stopped. This prevents the detergent from leaking from the circulation detergent path 45 to the water flow path portion 39 when the circulation pump 53 is stopped.

  A downstream portion 54 constituting the downstream side of the small diameter portion 49 of the ejector pipe 47 is connected to a rear end portion of the discharge nozzle 48 constituting the discharge port of the mixing device 33a. A front connecting portion is constituted by the tip of the discharge nozzle 48, and the tip of the discharge nozzle 48 is detachably fitted into a water supply port 36 provided at the rear of the bowl portion 3 and opened rearward. Come on.

  When water is supplied to the bowl portion 3 using the cleaning liquid discharge device 30, the water supply control valve 37 is opened while the circulation pump 53 is stopped. As a result, water from the water pipe is discharged from the tip of the discharge nozzle 48 into the bowl portion 3 through the water supply channel 32.

  At this time, when water flows from the tapered connection nozzle 46 to the upstream portion 50 of the ejector pipe 47, a negative pressure is generated near the tip of the connection nozzle 46. And mixed into the water flowing through the ejector pipe 47 via the intake port 52. The water mixed with the bubbles is pressurized and depressurized when flowing from the large diameter upstream portion 50 through the small diameter portion 49 to the large diameter downstream portion 54 in the ejector pipe 47, and is included in the water along with this pressure change. Bubbles that are sheared are sheared. Further, the bubbles are subdivided and miniaturized by a rectifying plate 58 made of a mesh provided in the downstream portion 54, and then discharged to the bowl portion 3.

  Further, when supplying water mixed with detergent to the bowl portion 3 using the cleaning liquid discharge device 30, the water supply control valve 37 is opened while the circulation pump 53 is operated. In this case as well, the air flowing from the water pipe into the water supply channel 32 is mixed with air from the intake port 52. At this time, the water flowing through the small diameter portion 49 is detergent that circulates in the circulating detergent channel 45. Is mixed through the branch flow path 44 and the detergent mixing port 55. Therefore, in this case, a cleaning liquid containing detergent mixed with water and containing fine bubbles is discharged to the bowl portion 3.

  When water or cleaning liquid containing fine bubbles is discharged to the bowl part 3 as described above, the water or cleaning liquid is discharged substantially horizontally to the upper inner surface of the bowl part 3 so that it circulates along the inner surface of the bowl part 3. While removing dirt. At this time, when the microbubbles contained in the water or the cleaning liquid collide with the inner surface of the bowl portion 3, high-frequency vibration is caused, whereby the inner surface of the bowl portion 3 can be efficiently cleaned. Further, when the cleaning liquid containing the detergent is discharged to the bowl part 3, the inner surface of the bowl part 3 can be cleaned more cleanly due to the cleaning effect of the detergent.

  Here, as shown in FIGS. 4 to 6, the mixing device 33 a is installed at the side end of the toilet bowl body 2, and most of the mixing device 33 a is stored in the front part F. The rear part of the mixing device 33 a is fixed to the device case 24.

  In the mixing device 33a shown in FIG. A boss portion 60 projects from a side surface of the adherend portion 63 located outside the toilet casing 2, and a female screw portion 61 that opens to the outside of the toilet casing 2 at the center of the boss portion 60. Is formed. Further, an engaged portion 62 that protrudes upward is formed on the adherend portion 63. The engaged portion 62 is formed in a T-shaped cross section, and a hooking portion 65 having a wider left and right width than the lower portion is formed at the upper end portion thereof.

  On the other hand, as shown in FIG. 5, a fixing portion 64 is formed at a side end portion of the front portion of the device case 24 on the side of the mixing device 33a. Further, as shown in FIG. 7, a hook that penetrates vertically as an engaging portion with which the engaged portion 62 is engaged is provided at a position corresponding to the engaged portion 62 at the side end portion of the front portion of the device case 24. A hole 66 is formed. The rear part of the hooking hole 66 is a through hole 68 that is wider than the front part and through which the engaged part 62 can pass, and the front part of the hooking hole 66 is wider than the hooking part 65 of the engaged part 62. This is a narrow engagement hole 69.

  In order to attach the mixing device 33a to the device case 24, first, the hooking portion 65 of the engaged portion 62 of the mixing device 33a is passed through the through hole 68 of the hooking hole 66 and positioned upward from below the device case 24. From here, the mixing device 33a is moved forward. Accordingly, the lower portion of the engaged portion 62 is slid forward along the hooking hole 66, and the hooking portion 65 is engaged on both side edges of the engaging hole 69 of the hooking hole 66. Further, at this time, the adherend portion 63 and the fixing portion 64 overlap each other when viewed from the side, the protruding end surface of the boss portion 60 abuts on the side surface of the fixing portion 64 inside the toilet casing 2 and the female screw portion 61 is fixed. It communicates with a through hole (not shown) provided in the portion 64. In this state, the screwing device 59a constituting the fixing device 59 is screwed into the female screw portion 61 of the adherend portion 63 from the side through the through hole of the fixing portion 64, so that the rear portion of the mixing device 33a is the device case 24. It is fixed to.

  The front portion of the device unit 23 is inserted into the device storage portion 15 of the front part F and covered with the water return portion 14. In this state, the device case 24 is placed on the rear frame material 6 erected on both sides of the rear portion of the support frame 4. And fixed to both rear frame members 6 with screws or the like.

  As described above, the end opening of the local cleaning nozzle 29 of the hot water cleaning device 27 and the duct 31 of the deodorizing device 26 provided on the device case 24 of the device unit 23 faces the bowl portion 3. Further, by inserting the device unit 23 into the front part F as described above, the discharge nozzle 48 provided at the front end portion of the mixing device 33 a is fitted into the water supply port 36 of the bowl portion 3 and communicates with the bowl portion 3. It will be.

  The front part of the mixing device 33a provided in the device unit 23 is housed in the front part F as shown in FIGS. Further, the engaged portion 62 of the mixing device 33a and the portion provided with the engaging hole 69 of the device case 24 with which the engaging device 33a is engaged are housed in the corresponding upright portion 17 and are covered. Further, as shown in FIG. 4, the fixing portion 64 and the screw tool 59 a of the device case 24 are located below a portion protruding rearward from the skirt portion 10 of the upright portion 17 and behind the upper end portion of the skirt portion 10. .

  Next, the rear part R constituting the outer shell of the toilet bowl outer body 2 will be described.

  The rear part R includes an upper cover 20, side covers 21 on both sides, and a back cover 22, and the rear part of the device unit 23 is accommodated in the upper part of the rear part R.

  The upper cover 20 is detachably attached to the device case 24, and the upper cover 20 covers the upper side of the device unit 23. A toilet seat 13 and a toilet lid 34 are rotatably attached to the upper cover 20.

  The back cover 22 is detachably attached to the support frame 4 and the upper cover 20, and the back cover 22 covers the rear of the device case 24 and the trap case 7 positioned below the device case 24.

  The side covers 21 on both sides are detachably attached to the device case 24 and the front part F, and the side covers 21 cover the sides of the device case 24 and the trap case 7 respectively.

  Further, the side cover 21 on the side where the mixing device 33a is provided covers the fixing portion 64 and the head of the screw tool 59a that fastens the fixing portion 64 to the adherend portion 63 of the mixing device 33a.

  For example, the maintenance or replacement of the mixing device 33a is performed as follows. First, as shown in FIG. 4, the side cover 21 corresponding to the adherend portion 63 of the mixing device 33 a is removed from the toilet casing 2, and the head of the screw tool 59 a is formed from the opening 70 formed by removing the side cover 21. To expose.

  Next, the head of the screw tool 59a is operated from the outside of the toilet shell 2 through the opening 70, and the screw tool 59a is removed. Thereafter, the mixing device 33a is moved rearward, the discharge nozzle 48 is pulled out from the water supply port 36 of the bowl portion 3, and the lower portion of the engaged portion 62 is slid rearward along the hooking hole 66 to pass through 68. To be located. Then, the mixing device 33a is moved downward, the engaged portion 62 is pulled out from the through hole 68, and the mixing device 33a is taken out from the opening 70 to the outside of the toilet casing 2 to perform maintenance or replacement. . In addition, the operation of attaching the mixing device 33a after maintenance or the new mixing device 33a may be performed in the reverse order of the above-described removal operation.

  The mixing device 33a can be removed while the device unit 23 is attached to the support frame 4 and is mounted on the toilet bowl 2. Accordingly, maintenance and replacement of the mixing device 33a can be easily performed.

  Moreover, in this embodiment, the part upstream from the mixing apparatus 33a of the water supply path 32 is comprised by the flexible water supply pipe | tube 38. As shown in FIG. For this reason, when the mixing device 33a is removed from the bowl portion 3 and the device case 24 as described above, the flexible water supply pipe 38 can be deformed so that the mixing device 33a can be moved rearward or downward. Without removing the tube 38 from the device unit 23, the mixing device 33a can be easily removed from the bowl portion 3 and the device case 24, and maintenance and replacement of the mixing device 33a can be performed more easily.

It is a perspective view which shows the toilet device of an example of embodiment of this invention, and shows the state which removed the side cover. It is a whole perspective view of a toilet device same as the above. It is explanatory drawing which shows typically a toilet device same as the above. It is a principal part expansion perspective view of FIG. It is a principal part perspective view which abbreviate | omitted illustration of the skirt part of FIG. It is the principal part side view which abbreviate | omitted illustration of the upper cover same as the above, a side cover, and a skirt part. It is the principal part perspective view which abbreviate | omitted illustration of the rim | limb part and upper cover same as the above. It is a principal part perspective view which abbreviate | omitted illustration of the upper cover same as the above. It is a perspective view of a mixing apparatus same as the above. It is sectional drawing of the washing | cleaning liquid discharge apparatus same as the above. It is a whole perspective view of the conventional toilet device. It is the principal part side view which abbreviate | omitted illustration of the skirt part and side cover same as the above.

Explanation of symbols

F Front part R Rear part 1 Toilet device 2 Toilet 3 Bowl part 21 Side cover 23 Device unit 24 Device case 25 Toilet interior device 32 Water supply path 33 Mixing device 36 Water supply port 38 Water supply pipe 59 Fixing tool

Claims (2)

  Toilet shell body with a bowl shape is composed of a front part that opens to the rear with a bowl part and a rear part that opens to the front, and a toilet interior device is placed in the rear part to supply water to the bowl part. A front end block is provided at the downstream end of the water supply channel, and the front connection portion of the front end block is detachably fitted into a water supply opening that opens rearward of the bowl portion, and the rear portion of the front end block is attached to the toilet interior device. A toilet device, wherein the toilet device is fixed from the side by a fixing tool, and the fixing tool is covered with a side cover that is detachably attached to the toilet casing.   The toilet apparatus according to claim 1, wherein a portion of the water supply channel upstream of the front end block is configured by a flexible water supply pipe.

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