JP2001090164A - Tank-less toilet bowl - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a tank-less toilet bowl enhanced in cleaning properly. SOLUTION: This tank-less toilet bowl 1 comprises a Western-style toilet bowl body 2 having a support part 25 in the rear of a rim 24, a seat and lid device 5 provided on the support part 25, and a toilet bowl flushing device 7 provided on the support part 25 to flush the Western-style toilet bowl body 2 with the water supplied from a feed pipe. A fixed plate 3 is fixed to the support part 25. The fixed plate 3 has a seat and lid device mount part 30 on the front side and a toilet bowl flushing device mount part 31 on the rear side. The seat and lid device 5 is fixed to the seat and lid device mount part 30 of the fixed plate 3, and the toilet bowl flushing device 7 is fixed to the toilet bowl flushing device mount part 31 of the fixed plate 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tankless toilet without a toilet washing tank, and more particularly to a tankless toilet provided with a toilet seat / lid device and a toilet cleaning device.

[0002]

2. Description of the Related Art In a general flush toilet, water supplied from a water supply pipe such as a water pipe is temporarily stored in a toilet wash tank such as a low tank, and the toilet body is washed with the water stored in the toilet wash tank. Do. This toilet flush tank is attached to the side wall of the toilet so as to be located outside the toilet body, and also discharges a large amount of water to the toilet body at once to ensure that excrement is discharged from the toilet body. It has a large volume to be used. For this reason, such a common flush toilet requires a large space for installing the toilet flush tank.

Therefore, in recent years, a tankless toilet without a toilet washing tank has been developed from the viewpoint of effective use of the toilet space (Japanese Patent Laid-Open No. 3-90723). In this tankless toilet, a Western-style toilet body having a support portion behind the rim is employed, and a fixing plate is fixed to the support portion of the Western-style toilet body, and a toilet flushing device is provided behind the fixed plate. In addition, a valve seat / valve lid device is provided on the front side of the cover of the toilet flushing device so as to swing up and down. The toilet seat and toilet lid device has a toilet seat and a toilet lid. Further, the toilet flushing device is configured such that water from a water supply pipe is directly supplied to the Western-style toilet body by opening a valve means incorporated therein, thereby cleaning the Western-style toilet body.

[0004]

However, in the above-mentioned conventional tankless toilet, the fixing plate is fixed to the support portion, and the toilet seat / lid cover device is provided on the cover of the toilet cleaning device fixed to the fixing plate. However, it is difficult to clean the Western style toilet body. In particular, in this tankless toilet, the fixing plate needs to be firmly fixed before and after the Western-style toilet body so that the toilet seat and toilet lid device does not rattle, and this tendency is large.

[0005] That is, in the toilet including the above-mentioned tankless toilet, urine and the like may adhere to the periphery of the toilet main body and may cause dirt. Especially when a child uses a toilet, dirt is likely to occur. In this manner, in the above-mentioned tankless toilet, when a minute gap is generated between the Western-style toilet body and the toilet seat / lid device or the toilet cleaning device, and the Western-style toilet body is to be cleaned, the cleaning person first cleans the toilet. After removing the toilet seat / toilet lid device from the device cover, remove the cover of the toilet bowl washing device and remove the toilet bowl washing device from the Western style toilet body together with the fixing plate, or remove the toilet bowl washing device from the fixing plate and then remove the fixing plate Must be removed from the Western style toilet body. Thus, this tankless toilet requires many procedures for cleaning the Western-style toilet body, so it can be said that the Western-style toilet body has low cleaning properties. In particular, this tankless toilet has a large tendency when the fixing plate is detached, since the fixing plate is firmly fixed before and after the Western-style toilet body.

The present invention has been made in view of the above-mentioned circumstances, and has as an object to solve the problem of providing a tankless toilet with improved cleaning of a Western-style toilet body.

[0007]

A tankless toilet according to the present invention comprises a Western-style toilet body having a support portion behind a rim, a toilet seat and toilet lid device provided on the support portion and having a toilet seat and a toilet lid. A toilet bowl cleaning device provided on the support portion and cleaning the Western-style toilet body with water supplied from a water supply pipe, wherein the support portion has a toilet seat
A fixing plate having a toilet lid device mounting portion and a toilet bowl cleaning device mounting portion on the rear side is fixed, the toilet seat and toilet lid device is fixed to the toilet seat and toilet lid device mounting portion, and the toilet cleaning device is It is characterized in that it is fixed to a toilet flushing device mounting portion.

In this tankless toilet, a fixing plate is fixed to a support portion of the Western-style toilet body. The fixing plate has a toilet seat / toilet lid mounting portion for attaching the toilet seat / toilet lid device on the front side, and a toilet flushing device mounting portion for attaching the toilet flushing device to the rear side. For this reason, when a minute gap is generated between the Western-style toilet body and the toilet seat / cloth lid device or the toilet flushing device, and the cleaning of the Western-style toilet body is to be performed, the cleaning person attaches the fixing plate to the Western-style toilet body. If it is removed from the support portion, the toilet seat / toilet cover device and the toilet flushing device can be removed from the Western-style toilet body. Thus, this tankless toilet does not require many procedures for cleaning the Western-style toilet body, and therefore has high cleaning properties for the Western-style toilet body.

Further, since the fixing plate is used as a common plate for attaching both the toilet seat / toilet lid device and the toilet flushing device to the Western style toilet body, the mounting property is improved and the number of parts can be reduced. Fixing plate is toilet seat
The toilet seat mounting part can swing up and down with respect to the toilet flushing device mounting part, and the toilet seat and toilet lid mounting part has a toilet seat and toilet lid mounting hole for fixing the mounting bolt of the toilet seat and toilet lid device. In addition, it is preferable that an insertion hole for inserting the mounting bolt and a fixing plate mounting hole for fixing the rear side of the fixing plate to the supporting portion are formed in the support portion of the Western style toilet body. In this case, since only the toilet seat and toilet lid device can be swung up and down with respect to the Western-style toilet body while being fixed to the fixing plate, the cleanability of the support portion of the Western-style toilet body hidden in front of the fixing plate is improved. be able to. Further, since only the rear side of the fixing plate is fixed to the Western-style toilet body by the fixing plate mounting hole of the support portion, the fixing plate can be easily removed together with the toilet seat / toilet lid device, and the effects of the present invention can be achieved. Is big.

When the toilet flushing device includes the valve means and the vacuum breaker, the fixed plate may have a guide path for guiding the backflow water discharged from the suction port of the vacuum breaker to the Western style toilet body. here,
The valve means can supply and stop water to the Western style toilet body. Further, the vacuum breaker has an intake port communicating with the atmosphere, and prevents backflow of water in the valve means. In this case, the backflow water discharged from the suction port of the vacuum breaker can be guided to the Western-style toilet body by the guideway provided in the fixed plate, so that contamination by the backflow water can be performed without requiring special piping. Can be prevented.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments embodying the present invention will be described below with reference to the drawings. As shown in FIG. 1, the tankless toilet 1 according to the embodiment is of a tankless type having no toilet washing tank such as a low tank, and includes a Western-style toilet body 2, a toilet seat / toilet lid device 5, and a toilet Cleaning device 7
And

The Western-style toilet body 2 is made of pottery,
Toilet bowl 21 having a bowl portion 20 for receiving excrement, and toilet bowl 2
1 is wrapped around the upper edge of the front side and has a rim waterway 2 inside.
3 and a support 25 provided integrally with the toilet bowl 21 behind the rim 24. A jet nozzle (not shown) is provided near the bottom of the bowl portion 20. The support portion 25 extends rearward in the form of a board at the rear of the Western-style toilet body 2 and has a flat support surface 26 having substantially the same height as the rim 24. Support part 25
, A fixing plate 3 made of a hard resin is detachably fixed.

The fixing plate 3 has a square plate shape, and has a toilet seat / toilet lid mounting portion 30 on the front side and a toilet flushing device mounting portion 31 on the rear side. 5 and functions as a common plate for mounting the toilet flushing device 7 in common. As shown in FIG. 2, the mounting portion 30 of the toilet seat / toilet lid device 30 of the fixing plate 3 has a substantially square plate shape having flat upper and lower surfaces, and a front side 30 a and a rear side 30 b which are parallel to each other. Parallel side 30
c, and a protruding portion 30d protruding rearward from both sides in the width direction.

The toilet cleaning device mounting portion 31 of the fixing plate 3 has a substantially square plate shape with flat upper and lower surfaces, and a front side 31a and a rear side 31b parallel to each other.
It has a side part 31c parallel to each other, and a concave part 31d formed in the side part 31c and into which the protruding part 30d of the toilet seat / toilet lid attachment part 30 fits. In the boundary region between the toilet seat / toilet lid mounting portion 30 and the toilet bowl cleaning device mounting portion 31 that constitute the fixed plate 3, a total of two pivot portions 35 each having a lateral axis at both ends in the width direction. Is provided. Axis 3
Numeral 5 functions as hinge means, and the toilet seat / toilet lid mounting portion 30 and the toilet seat / toilet lid mounting portion 30 constituting the fixing plate 3 can swing up and down. In other words, the fixed plate 3 can be folded by swinging up and down. For this reason, the toilet seat / toilet lid mounting portion 30 that forms the front side of the fixed plate 3 can swing up and down with respect to the toilet bowl cleaning device mounting portion 31 that forms the rear side of the fixed plate 3.

Toilet seat / toilet lid attachment part 3 of fixed plate 3
A total of two toilet seat / toilet lid mounting holes 32 penetrate in the vertical direction at both ends in the width direction of the front part of the zero. A total of two mounting holes 33 are vertically formed at both ends in the width direction of the rear part of the toilet bowl cleaning device mounting portion 31 of the fixed plate 3. As shown in FIG. 1, the toilet seat and toilet lid device 5 includes a toilet seat 50 having a shape along the rim 24 of the Western-style toilet body 2, and a toilet lid that is swingably provided above the toilet seat 50 by a support shaft 51. 52 and a mounting bolt 54 projecting downward so as to project below the toilet seat 50. The mounting bolt 54 functions as a mounting means, has a male screw portion at the tip end, and is provided in total of two on both sides in the width direction of the toilet seat and toilet lid device 5.

The supporting portion 25 of the above-mentioned Western-style toilet body 2 has the insertion hole 2 on both sides in the width direction on the bowl portion 20 side.
7 are formed so as to penetrate vertically. The position of the insertion hole 27 of the Western-style toilet body 2, the position of the mounting bolt 54 of the toilet seat / toilet lid device 5, and the position of the toilet seat / toilet lid mounting hole 32 of the fixing plate 3 are provided at positions corresponding to each other so as to be overlapped. ing. The hole diameter of the insertion hole 27 is larger than the hole diameter of the toilet seat / toilet mounting hole 32 of the fixing plate 3 and the diameter of the male screw portion of the mounting bolt 54. Thus, the mounting bolt 54 of the toilet seat / toilet lid device 5 inserted into the insertion hole 27
Can be adjusted in the plane direction of the support surface 26.

As shown in FIGS. 1 and 2, the toilet bowl cleaning device 7 is fixed to one side of the toilet bowl cleaning device mounting portion 31 of the fixing plate 3. The toilet flushing device 7 supplies water for cleaning the bowl portion 20 of the toilet bowl 21. The flushing device 7 has a valve means 70 having an opening / closing function and suppresses backflow water caused by decompression caused by the opening / closing operation of the valve means 70. And a vacuum breaker 75.

The valve means 70 supplies and stops water into the toilet bowl 21 of the Western-style toilet body 2 for cleaning the toilet bowl 21, and includes a rim on-off valve 71 and a jet on-off valve 73.
Are arranged next to each other. As shown in FIG. 3, the water port of the rim on-off valve 71 is connected to the rim conduit 7.
It is connected to the rim water passage 23 via 1e, and supplies water to the rim water passage 23. The water outlet port of the jet on-off valve 73 is connected to the jet nozzle via a jet conduit 73e, and supplies water to the jet nozzle.

The vacuum breaker 75 is provided in the valve means 70 for preventing the backflow of water in the valve means 70 as described above, and is provided in the first vacuum breaker 76 provided in the on-off valve 71 for the rim. And a second vacuum breaker 78 provided in the on-off valve 73 for the jet. The first vacuum breaker 76 has a first intake port 76a communicating with the atmosphere, and a first discharge pipe 76c for flowing backflow water. The second vacuum breaker 78
A second intake port 78a communicating with the atmosphere, and a second
And a discharge pipe 78c.

As shown in FIG. 2, a guide path 8 is formed inside the fixed plate 3 to function as guide means for guiding the backflow water from the vacuum breaker 75 into the bowl portion 20 of the Western-style toilet body 2. I have. The guide path 8 includes a first guide path 81 formed inside the toilet cleaning device mounting section 31 of the fixed plate 3, and a toilet seat / toilet lid apparatus mounting section 30 of the fixed plate 3 so as to communicate with the first guide path 81. And a second guide path 82 having a front end opening 82m facing the bowl portion 20. The first bottom surface 81k of the first guideway 81 and the second bottom surface 82k of the second guideway 82 are both
It is made to incline downward toward 0, so that the backflow water can flow down toward the bowl portion 20.

The first guide path 81 communicates with the end of the first discharge pipe 76c and the end of the second discharge pipe 78c, so that even if backflow water is generated, the backflow water is supplied to the first discharge pipe 76c and the second discharge pipe 76c.
The water flows down the first guide path 81 via the discharge pipe 78c, further flows down the second guide path 82, and is discharged into the bowl portion 20 of the Western-style toilet body 2 from the distal end opening 82m. As shown in FIG. 2, the first guide path 81 has an L-shape in plan view, and the second guide path 82 has a straight path in plan view. In a boundary area between the first guide path 81 and the second guide path 82, a seal member 83 made of an elastic material such as rubber or soft resin for suppressing water leakage is provided.

As shown in FIGS. 1 to 3, the toilet cleaning device 7 fixed to the toilet cleaning device mounting portion 31 of the fixed plate 3 is provided with a drive device 9 for opening and closing the valve means 70. The drive device 9 is for opening and closing the rim on-off valve 71 and for opening and closing the jet on-off valve 73, and drives the cam device 90 and the cam device 90. And a motor device 95 for driving the motor. The cam device 90 is provided above the valve means 70, and includes a rotating shaft 92 which is rotatably held in a horizontal state by a mounting piece 91 which is held in the toilet cleaning device mounting portion 31 of the fixed plate 3, and a rotating shaft. A first cam 93 and a second cam 94 are juxtaposed with each other so as to protrude in a direction perpendicular to the axis. Rotating shaft 9
Numeral 2 extends along the width direction of the Western-style toilet body 2.

The motor device 95 is fixed to a mounting piece 91, and outputs a motor 96 and a rotating force of the motor 96 to a rotating shaft 92.
And a reduction gear for transmitting the rotation to the rotary shaft 92 under the control of a controller (not shown). When the rotation shaft 92 is rotated by the motor device 95, the first cam 93 and the second cam 94 rotate. Next, the case where the fixing plate 3 is assembled to the Western-style toilet body 2 will be described. In the tankless toilet 1, as can be understood from FIG. 1, the toilet cleaning device 7 is previously mounted on the toilet cleaning device attachment portion 31 of the fixed plate 3. In this state, the fixing plate 3 is placed on the support portion 25 of the Western style toilet body 2 with the mounting hole 33 of the fixing plate 3 facing the fixing plate mounting hole 28 of the Western style toilet body 2, and the mounting hole 33 and the fixing plate Mounting hole 28
The first nut member 102 is fastened to the male screw portion of the bolt member 100 by inserting a bolt member 100 as an attachment means into the
1 is detachably fixed to the support surface 26 of the support portion 25 of the Western-style toilet body 2.

The mounting bolt 54 of the toilet seat / toilet lid device 5
The toilet seat of the fixing plate 3 and the toilet seat
The second nut member 104 is fastened to the male screw portion at the tip of the mounting bolt 54 in a state of being sequentially inserted through the toilet lid mounting hole 32 and the insertion hole 27 of the Western-style toilet body 2. Thereby, the toilet seat / toilet lid device 5 is attached to the toilet seat / toilet lid device mounting portion 30 of the fixing plate 3.
To the toilet seat of the fixing plate 3
The toilet lid mounting portion 30 is detachably fixed to the support portion 25 of the Western-style toilet body 2. Then, the cover 150 is detachably covered from the outside to cover the toilet bowl cleaning device 7 and the like.

As shown in FIG. 3, a water supply pipe 110 such as a water supply pipe serving as a water supply source is provided on a wall of a room in which the tankless toilet 1 is installed.
Is provided. A distal end portion 112a of a flexible hose 112 led out of a water stopcock 111 attached to the water supply pipe 110 is connected to a water inlet port of the valve means 70 of the toilet flushing device 7. Thus, the water from the water supply pipe 110 is supplied to the rim on-off valve 71 and the jet on-off valve 73.

Next, the case where the bowl portion 20 of the Western style toilet body 2 is cleaned will be described. In this tankless toilet 1, the motor 96 of the driving device 9 is driven by the signal of the controller based on the switch operation of the user, and the rotating shaft 92 is driven to rotate. As a result, the first rim water supply operation is performed. That is, the cam surface of the first cam 93 presses the shaft (not shown) of the rim on-off valve 71 downward, thereby opening the rim on-off valve 71. As a result, the washing water is supplied to the rim conduit 71e through the water discharge port of the rim on-off valve 71, and is supplied to the rim water passage 23 to wash the inner wall surface of the bowl portion 20.

With the driving of the cam device 90, the first cam 93
Does not press the shaft of the rim on-off valve 71 downward, and the rim on-off valve 71 is closed by a return spring (not shown). Thereafter, the second cam 94 pushes a shaft (not shown) of the on-off valve 73 for jet downward to open the on-off valve 73 for jet. As a result, a jet flow operation is performed. That is, the cam surface of the second cam 94 presses the shaft of the jet on-off valve 73 downward, thereby opening the jet on-off valve 73. As a result, the washing water is supplied to the jet conduit 73e through the water outlet port of the jet on-off valve 73, and is supplied to the jet nozzle to forcibly generate a siphon action.

Next, with the driving of the cam device 90, the second
The cam surface of the cam 94 stops pressing the shaft of the jet on-off valve 73 downward, and the jet on-off valve 73 is closed by a return spring (not shown). Thereafter, the cam surface of the first cam 93 presses the shaft of the rim on-off valve 71 downward again, and the rim on-off valve 71 is opened again.
As a result, the second rim water supply operation is performed. That is, the washing water flows through the rim on-off valve 71 and the rim water passage 23.
, And the washing water flows down along the inner wall surface of the bowl portion 20. Thereby, the bowl part 20 is sealed, and the cleaning of the bowl part 20 is completed.

Next, the case of cleaning will be described.
In this tankless toilet 1, when a minute gap is generated between the Western-style toilet body 2 and the toilet seat / toilet lid device 5 or the toilet cleaning device 7, and when the Western-style toilet body 2 is to be cleaned, the cleaner needs to If the fixing plate 3 is removed from the support portion 25 of the Western-style toilet body 2, the toilet seat / toilet lid device 5 and the toilet cleaning device 7 can be removed from the Western-style toilet body 2. In this manner, the tankless toilet 1 does not require many procedures for cleaning the Western-style toilet body 2, so that the Western-style toilet body 2 has high cleaning properties. In particular, in this tankless toilet 1, the toilet seat
Since only the toilet lid device 5 can be swung up and down with respect to the Western-style toilet body 2 while being fixed to the fixing plate 3, the cleanability of the support portion 25 of the Western-style toilet body 2 hidden in front of the fixed plate 3 is improved. I have. Further, in this tankless toilet 1, only the rear side of the fixing plate 3 is fixed to the Western-style toilet body 2 by the fixing plate mounting hole 28 of the support portion 25, and thus the fixing plate together with the toilet seat / toilet lid device 5. 3
Can be easily removed, and the Western-style toilet body 2 can be easily cleaned.

Further, in this tankless toilet 1, the fixing plate 3 is used as a common plate for attaching both the toilet seat / lid device 5 and the toilet flushing device 7 to the Western-style toilet body 2, so that the mounting property is improved. It has been improved and the number of parts has been reduced. Furthermore, in this tankless toilet 1,
Backflow water discharged from the first and second intake ports 76a, 78a of the first and second vacuum breakers 76, 78 can be guided to the Western-style toilet body 2 by the first and second guide paths 81, 82 in the fixed plate 3. Therefore, contamination by the backflow water can be prevented without requiring special piping.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a tankless toilet according to an embodiment.

FIG. 2 is a plan view of a main part near a fixing plate of the tankless toilet according to the embodiment.

FIG. 3 is a side view of a main part near a fixing plate of the tankless toilet according to the embodiment.

[Explanation of symbols]

Reference Signs List 24 rim 25 support part 2 Western-style toilet body 5 toilet seat / toilet lid device 110 water supply pipe 7 toilet flushing device 1 tankless toilet 30 ... toilet seat / toilet lid device attaching portion 31 toilet toilet cleaning device attaching portion 3 ... Fixing plate 54 ... Mounting bolt 32 ... Toilet seat / toilet cover mounting hole 27 ... Insertion hole 28 ... Fixing plate mounting hole 70 ... Valve means (71 ... On / off valve for rim, 73 ... On / off valve for jet) 75 ... Vacuum breaker (76: first vacuum breaker, 78: second vacuum breaker) 76a: first intake port 78a: second intake port 8: guideway (81: first guideway, 82: second guideway)

Claims (3)

[Claims] 1. A Western-style toilet body having a support portion behind a rim, a toilet seat and toilet lid device provided on the support portion and having a toilet seat and a toilet lid, and provided on the support portion and supplied from a water supply pipe. A toilet flushing device that cleans the Western-style toilet body with cold water, wherein the support portion has a toilet seat / toilet lid device attaching portion on the front side and a toilet flushing device attaching portion on the rear side. A fixing plate having a fixed portion, the toilet seat / toilet lid device being fixed to the toilet seat / toilet lid mounting portion, and the toilet flushing device being fixed to the toilet flushing device mounting portion. Less urinal. 2. The fixing plate according to claim 1, wherein the seat / toilet cover mounting portion is swingable up and down with respect to the toilet flushing device mounting portion. A toilet seat / toilet cover mounting hole for fixing the toilet bowl is formed, a support hole of the Western style toilet body, an insertion hole for inserting the mounting bolt, and a fixing plate mounting hole for fixing the rear side of the fixing plate to the supporting portion. The tankless toilet according to claim 1, wherein the toilet is formed. 3. The toilet flushing device has valve means capable of supplying and stopping water to the Western-style toilet body, and an intake port communicating with the atmosphere.
A vacuum breaker for preventing backflow of the water in the valve means, wherein the fixed plate has a guideway for guiding backflow water discharged from the suction port of the vacuum breaker to the western style toilet body. Item 3. The tankless toilet according to item 1 or 2.