JP2018028264A - Water closet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a water closet which can be compactly formed while achieving good product assemblability and keeping itself low.SOLUTION: The water closet includes a toilet bowl body 2 having a bowl 8 formed on the front part, a peripheral wall part 9a provided at the peripheral edge of the rear part upper face, and a recessed part 9 formed inside the peripheral wall part and recessed toward the lower side relative to the peripheral wall part, and a base 13 including a functional part which can be arranged in the recessed part. The toilet bowl body and the base are supported via receiving parts 15, 16. The receiving parts are arranged on the toilet bowl body inside of the peripheral wall part and downward of the upper face of the peripheral wall part.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a flush toilet having a base portion with a functional portion mounted on the rear upper surface of a toilet body.

  Conventionally, as a flush toilet, for example, as described in Patent Document 1, a fixing plate fixed to a rear upper surface of a toilet body provided with a toilet bowl with bolts and nuts is known. When the fixing plate is fixed to the toilet body, a bolt is passed through the hole of the fixing plate and the screw hole of the toilet body from the upper surface of the toilet body, and is protruded from the lower surface of the toilet body to be fixed with a nut.

  Then, the toilet seat box including the functional part and the toilet seat is slid rearward from the front of the toilet body on the fixed plate, and the recess formed on the lower surface of the toilet seat box is fitted to the fixed plate, so that the engagement on both sides of the recess is The joint recess is engaged with and fixed to the ridges provided on both sides of the fixed plate. The toilet seat box is installed on a fixed plate fixed to the flat upper surface of the toilet body. Since the toilet seat box is easily affected by the unevenness and inclination of the ceramic toilet body, a clearance is provided between the fixed plate and the recess of the functional part.

JP 2009-077928 A

  However, since the toilet seat box incorporating the functional unit is installed on the upper part of the flat toilet body and the fixed plate, the height of the toilet seat box is increased, and there is a risk of giving the user a feeling of pressure.

  This invention is made | formed in view of such a subject, Comprising: It aims at providing the flush toilet bowl which suppresses height low and can be formed compactly.

A flush toilet according to the present invention includes a toilet bowl formed at a front portion, a peripheral wall portion provided at a peripheral edge portion of a rear upper surface, and formed inside the peripheral wall portion and recessed downward with respect to the peripheral wall portion. A toilet body having a recess, and a base having a functional portion that can be disposed in the recess, wherein the toilet body and the base are supported via a receiving portion, and the receiving portion includes the peripheral wall. It is arrange | positioned at the said toilet body main body inside the part and below the upper surface of the said surrounding wall part.
ADVANTAGE OF THE INVENTION According to this invention, the support point of the base part provided with the function part can be set to a low position, As a result, the height of a flush toilet can be restrained low and it can comprise compactly.

Moreover, the said recessed part may be formed in the area | region lower than the upper surface of the said toilet bowl, and the said receiving part may be supported by the said toilet bowl main body within the said recessed part.
According to the present invention, the support point of the base portion can be set at a lower position by supporting the receiving portion on the toilet body in the recess.

Further, the base portion may be configured so that the functional portion can be installed, and may include a receiving portion connected to the receiving portion.
According to the present invention, since the functional unit is also installed simply by attaching the base unit to the toilet body via the receiving unit, the construction becomes easy.

Furthermore, in a state where the base portion is supported and fixed to the toilet body, at least a part of the edge portion of the base portion may be disposed along the peripheral wall portion.
According to the present invention, construction is facilitated.

In addition, a hole or a groove may be formed in the concave portion downward, and at least a part of the base portion in which the functional portion is accommodated may be configured to be able to fit into the hole or the groove. .
According to the present invention, since part or all of the functional part is accommodated inside the base part that fits into the hole or groove part of the toilet body, the height of the functional part and the like installed on the upper surface of the base part Can be set low and can be compactly formed without a feeling of pressure.
Also, conventionally, when fixing the fixing plate to the upper surface of the toilet body with bolts and nuts, if the toilet space where the toilet is installed is narrow, the nut is attached to the bolt inserted through the upper surface of the toilet body in such a posture as to look into the toilet bowl from below. Because it was tightened, the assembly workability was poor. However, in the present invention, since the base portion can be fitted into the hole portion or the groove portion, assembly can be facilitated and workability can be improved.

  According to the flush toilet according to the present invention, it is possible to reduce the height of the product installed at the rear part of the toilet body and to manufacture it in a compact manner.

It is a principal part perspective view of the flush toilet bowl by embodiment of this invention. It is a disassembled perspective view of the toilet bowl main body and toilet seat unit shown in FIG. It is a perspective view of a toilet bowl body. It is a partial expansion perspective view which shows the upper surface rear part of a toilet bowl main body. It is the perspective view which looked at the toilet seat unit containing a baseplate from the lower part. It is a principal part longitudinal cross-sectional view which shows the engagement state of the front side nail | claw part provided in the baseplate, and the front side receiving part provided in the recessed part. It is a perspective view which shows the engagement state of the nail | claw receiving part of a rear side receiving part, and a rear side slide claw part. The engagement state of the nail | claw receiving part of a rear side receiving part and a rear side slide claw part is shown, (a) is a front view, (b) is the perspective view seen from the downward direction. It is a principal part longitudinal cross-sectional view which shows the rear side receiving part of a toilet bowl main body, and the water flow part below it. It is principal part explanatory drawing which shows arrangement | positioning of the toilet seat, base plate, and cover which were installed in the upper surface of the toilet seat main body.

Hereinafter, a flush toilet according to an embodiment of the present invention will be described with reference to the accompanying drawings.
1 to 10 show a flush toilet 1 according to an embodiment of the present invention. In this specification, the wall surface side or the back surface side of the toilet space to which the flush toilet 1 is attached is referred to as a rear portion and a rear portion, and the opposite side (the one standing when a person urinates) is referred to as a front portion and a front portion.
The flush toilet 1 according to the embodiment shown in FIGS. 1 and 2 is provided with a cover 4 containing a functional part 3 and a base plate 13 at the upper rear part of a ceramic toilet body 2, and a toilet seat 5 on the front side of the cover 4. A toilet lid cover 6 is installed. The base plate 13, the cover 4, the toilet seat 5, and the toilet lid cover 6 on which the functional unit 3 is installed are referred to as a toilet seat unit 7.
2 and 3, a toilet bowl 8 is installed on the front side of the toilet body 2, a substantially semicircular recess 9 is formed on the rear upper surface thereof, and a substantially arc-shaped jetty partitioning the recess 9 on the peripheral edge thereof. A portion (peripheral wall portion) 9a is formed to protrude. The back of the jetty 9a of the toilet body 2 is a flat back surface that is fixed to a wall surface or the like. A recess 9 between the toilet bowl 8 and a first hole 11 and a second hole 12 described later is formed in a region lower than the upper surface of the toilet bowl 8.

3 and 4, for example, two holes that open downward are formed in the recess 9 of the toilet body 2 in parallel as a first hole 11 and a second hole 12. The first hole 11 is a substantially 1/4 arc-shaped hole section partitioned by ridge lines 11a, 11b, and 11c having approximately three sides. The second hole 12 is also a substantially ¼ arc-shaped hole section partitioned by approximately three side ridge lines 12a, 12b, and 12c.
In the concave portion 9, front receiving portions (receiving portions) 15 and 16 for fixing a base plate 13 as a base portion are disposed in front of the first hole portion 11 and the second hole portion 12. The base plate 13 is preferably formed so as to fit in the recess 9.
For example, the front receiving portions 15 and 16 are formed in a substantially square bottomed cylindrical shape, and locking openings 15a and 16a are formed on the front side, respectively. In the example shown in FIG. 3, the positions of the front receiving part 15 and the front receiving part 16 are slightly shifted in the front-rear direction.

A reversing nut 17 is screwed into the bottom of each of the front receiving portions 15 and 16 and is fixed to the recess 9 respectively. That is, the reversing nut 17 is inserted through the bottoms of the front receiving portions 15 and 16 and the through hole of the toilet body 2 and the screw is inserted into the reversing nut body so that the nut protrudes from the back surface of the toilet body 2 and is sandwiched between the screws. Can be fixed with screws.
A rear receiving portion (receiving portion) 18 is formed between the first hole portion 11 and the second hole portion 12 on the rear side of the concave portion 9. The rear receiving portion 18 is formed in a substantially L-shaped cross section, and the flat portion 18 a is fixed between the back surface of the toilet body 2 similarly to the front receiving portions 15 and 16 by the inversion nut 17. A claw receiving portion 19 protrudes from the standing portion 18b of the rear receiving portion 18 in the rear direction. A tapered portion 19 a is formed on the upper surface of the claw receiving portion 19.

Next, FIG. 5 is a perspective view showing the toilet seat unit 7 including the toilet seat 5, the toilet lid cover 6, the base plate 13 and the cover 4. On the base plate 13, a functional unit 3 such as a cleaning nozzle, a heater, and an electrical component (not shown) is installed, and a shutter 21 is attached to the surface facing the toilet bowl 8. A first protrusion 22 that can be fitted into the first hole 11 and a second protrusion 23 that can be fitted into the second hole 12 are formed on the lower surface of the base plate 13 so as to protrude downward. The first projecting portion 22 and the second projecting portion 23 are formed in a substantially bottomed cylindrical shape, and appropriate electrical components and the like forming a part of the functional unit 3 are accommodated therein.
Therefore, in a state where the base plate 13 is fitted and installed in the recess 9, and the first protrusion 22 and the second protrusion 23 are fitted in the first hole 11 and the second hole 12 of the recess 9, The remaining functional parts are installed on the upper surface of the base plate 13, but the height thereof can be set lower than that of the conventional functional part.

In the toilet seat unit 7, front claw portions (received portions) 24 and 25 are formed on the lower surface of the base plate 13 and in front of the first protruding portion 22 and the second protruding portion 23. As shown in FIG. 6, the front claw portions 24 and 25 have an approximately L-shaped cross section that can be elastically deformed, and can be engaged with the locking openings 15 a and 16 a of the front receiving portions 15 and 16 of the toilet body 2.
In FIG.7 and FIG.8, the rear side slide nail | claw part 27 provided in the base plate 13 is installed in the rear side receiving part 18 provided in the jetty part 9a vicinity behind the recessed part 9 so that a slide is possible. The rear slide claw portion 27 is formed with a claw portion 27b that can be engaged with the claw receiving portion 19 at a middle portion of a claw body 27a that extends in a substantially arc shape along the jetty portion 9a. For example, a stepped operation portion 27c is formed at one end of the claw body 27a, and a coil spring 28, for example, is compressed as an elastic member between the other end and an abutment surface 29 at the other end. Is retained. Further, a locking piece 27d for restricting the sliding movement of the rear slide claw portion 27 is formed on the lower surface of the claw portion main body 27a.

Therefore, the base plate 13 is pushed downward, the claw portion 27b of the rear slide claw portion 27 is slid rightward along the taper portion 19a of the claw receiving portion 19 of the rear side receiving portion 18, and the coil spring 28 is compressed. The rear slide claw portion 27 is moved to the right to get over from below. Then, the rear slide claw portion 27 is moved to the left by the urging force of the coil spring 28, the claw portion 27b is engaged below the claw receiving portion 19, and the locking piece 27d is the locking portion 30 of the recess 9. Abut and lock.
Further, in order to remove the rear slide claw portion 27, the operation portion 27c is slid rightward with a finger while lifting the base plate 13, and the claw portion 27b gets over the claw receiving portion 19 to release the lock.

In FIG. 9, the toilet body 2 is provided with a water passage portion 33 for supplying water for washing the inside of the toilet bowl 8 to the rim below the rear receiving portion 18 in the concave portion 9. It flows into the bowl 8.
FIG. 10 shows the toilet seat 5 installed in front of the upper surface of the toilet body 2 and the cover 4 installed in the rear thereof. In the base plate 13 having the functional part 3 installed at the upper part of the concave part 9, front front end parts 13 a on both sides extending forward are located on the front side of the jetty part 9 a of the concave part 9. A rotation shaft portion 36 of the toilet seat 5 is formed on the cover 4 installed on the upper side thereof so as to protrude left and right, and the toilet seat 5 can be rotated in the vertical direction around the rotation shaft portion 36.
The side surface 4a on the rear end side of the cover 4 is formed in a substantially cylindrical shape, and is disposed so as to surround the jetty portion 9a along the substantially arc-shaped jetty portion 9a of the concave portion 9, and the jetty portion 9a is formed on the side surface 4a. Covering. When the cover 4 is slightly lifted with respect to the jetty portion 9a, a gap is formed. By inserting a finger through the gap and sliding the operation portion 27c of the rear slide claw portion 27, the claw receiving portion 19 and the rear slide The claw part 27 can be detached.

The toilet seat 5 is formed in a substantially arcuate shape along the upper surface 8a of the toilet bowl 8 and in front of the inclined section 5a inclined downward from the rotary shaft 36 toward the upper surface 8a of the toilet bowl 8 in a side view. And a seating portion 5b.
The conventional cover 4 extends only to the front end portion 13 a of the base plate 13, and the front end portion 13 a of the base plate 13 is provided at the front end position of the cover 4. Therefore, a small gap k is formed between the inclined portion 5a of the toilet seat 5 and the upper surface 8a of the toilet bowl 8 between the side end of the cover 4 covering the base plate 13, and the inside of the toilet bowl 8 is passed through this gap k. Was visible.
In contrast, in the flush toilet 1 according to the present embodiment, the front end portions 4b on the front side of the cover 4 extend forward from the front end portion 13a of the base plate 13 so as to fill the gap k and are formed in a thin taper shape. ing. Therefore, the inside of the toilet bowl 8 can be prevented from being visually observed from the outside through the gap k.

The flush toilet 1 according to the present embodiment has the above-described configuration. Next, a method for attaching and detaching the toilet seat unit 7 including the base plate 13, the cover 4, and the toilet seat 5 to the toilet body 2 will be described.
As shown in FIGS. 2, 3, and 5, when the base plate 13 having the functional portion 3 is installed in the toilet body 2, the first protrusion 22 and the second protrusion 23 provided on the lower surface of the base plate 13 are connected to the toilet bowl. The first hole 11 and the second hole 12 formed in the recess 9 of the main body 2 are aligned and inserted halfway. 2 and 5 show the toilet seat unit 7, only the base plate 13 is attached.

Then, the base plate 13 is tilted forward, and the front claw portions 24 and 25 provided on the lower surface are engaged with the locking openings 15a and 16a through the front receiving portions 15 and 16, respectively. Rotate. Then, the claw portion 27b of the rear slide claw portion 27 contacts the tapered portion 19a of the claw receiving portion 19 of the rear side receiving portion 18 provided on the rear end side of the concave portion 9.
When the rear portion of the base plate 13 is further lowered, the rear slide claw portion 27 is slid rightward in FIG. 7 by being guided by the taper portion 19a of the claw receiving portion 19, and the coil spring 28 is compressed, and the claw portion 27b is claw received. When it gets over the portion 19 and reaches its lower surface side, the claw portion 27b moves to the lower surface of the claw receiving portion 19 by the urging force of the coil spring 28 and becomes engaged.

As a result, the first protrusion 22 and the second protrusion 23 provided on the lower surface of the base plate 13 are fitted into the first hole 11 and the second hole 12 of the recess 9. Further, the front claw portions 24 and 25 and the rear slide claw portion 27 of the base plate 13 are firmly engaged at the three positions of the locking openings 15 a and 16 a of the front receiving portions 15 and 16 of the recess 9 and the claw receiving portion 19. . Moreover, the front receiving portions 15 and 16 and the claw receiving portion 19 of the recess 9 and the three points of the front claw portions 24 and 25 and the rear slide claw portion 27 are substantially triangular shapes located in the vicinity of the substantially semicircular jetty portion 9a. Since it is located at each apex, the base plate 13 is firmly fixed.
Then, the cover 4 and the toilet seat 5 can be installed thereon, and the toilet lid cover 6 can be installed on the toilet seat 5. In addition, what is necessary is just to perform removal operation | movement by the procedure reverse to the above-mentioned procedure, when removing the baseplate 13 from the recessed part 9 of the toilet bowl body 2. FIG. Or the toilet seat unit 7 can be removed collectively.

As described above, according to the flush toilet 1 according to the present embodiment, the first and second holes 11 and 12 formed in the recess 9 of the toilet body 2 are provided on the lower surface of the base plate 13 and the functional unit 3 is accommodated. Since the 1st and 2nd protrusion parts 22 and 23 were fitted, the height of flush toilet 1 can be made low and it can form compactly without a feeling of pressure.
And since the base plate 13 was installed in the recessed part 9 formed in the rear upper surface of the toilet body 2, the height of the flush toilet 1 can be lowered also in this respect. In addition, since the water passing portion 33 for supplying the cleaning water in the toilet bowl 8 is provided below the rear receiving portion 18, the height of the toilet body 2 can be suppressed and the size can be reduced.

Further, when the base plate 13 is fixed to the recess 9, the base plate 13 is pushed downward, and the front receiving portions 15, 16 and the rear receiving portion 18 that are installed at the apex position of the substantially triangular shape in a plan view, Since the rear slide claw portion 27 can be fixed, it is easy to assemble and can prevent back-and-forth and left-right rattling in a fixed state.
In addition, when the base plate 13 is mounted on the recess 9, the front receiving portions 15 and 16 are engaged with the front claw portions 24 and 25, and the rear portion is pushed down, so that the rear receiving claw receiving portion 19 of the rear receiving portion 18 receives the rear slide claw. Since the part 27 can be fixed and removed, it can be detached by lifting the rear side surface 4a of the cover 4 and sliding the operation part 27c of the rear slide claw part 27, so that the attachment / detachment operation in the vertical direction is easy. .
Furthermore, since the reversing nut 17 is used to fix the front receiving portions 15 and 16 and the rear receiving portion 18 to the bottom surface of the ceramic toilet body 2 via the base plate 13, it is fixed only by operating a bolt from the upper surface side. Can do. Therefore, it is easy to attach and detach the reversing nut 17 when repairing or exchanging work in a narrow toilet space.

In the flush toilet 1 of the present embodiment, the first and second projecting portions 22 and 23 are provided on the base plate 13, so that the toilet seat unit 7 cannot be attached or detached by sliding movement, but is fitted to the substantially arc-shaped jetty portion 9 a of the recess 9. And since the cover 4 which has the cylindrical side surface 4a which covers the function part 3 so that it may be enclosed is installed, the designability improves.
Further, since the side end 4b of the cover 4 covering the base plate 13 is tapered along the lower surface of the inclined portion 5a so as to fill the gap k between the front end 13a of the base plate 13 and the inclined portion 5a of the toilet seat 5, Since the gap k is sealed and the inside of the toilet bowl 8 cannot be visually observed from the outside, the appearance is good and the design is improved.

  Note that the flush toilet 1 according to the present invention is not limited to the above-described embodiment, and can be appropriately changed or replaced without departing from the gist of the present invention. In the following, modifications and the like of the present invention will be described, but the same or similar parts and components as those described in the above-described embodiments will be described using the same reference numerals.

For example, in the above-described embodiment, the first and second hole portions 11 and 12 that open downward are formed on the upper surface of the rear portion of the toilet body 2, but a groove portion having a bottom portion may be formed at the lower end of the hole portion. In addition, the first and second hole portions 11 and 12 provided in the toilet body 2 and the base plate 13 and the two first and second protrusion portions 22 and 23 are provided. It is not limited to two, but may be one or three or more.
Moreover, you may accommodate all the function parts 3 accommodated in the 1st and 2nd protrusion parts 22 and 23, without being limited to the one part components. In this case, the height of the cover 4 on the back side of the toilet seat 5 is further reduced, and the design and appearance can be improved.
In addition, the base plate 13 is installed in the recess 9 formed on the upper surface of the rear part of the toilet body 2. However, the upper surface of the rear part of the toilet body 2 is formed flat as in the prior art without necessarily installing the recess 9. May be.

In the embodiment described above, the front receiving portions 15 and 16, the rear receiving portion 18 and the claw receiving portion 19 are provided as the receiving portions in the recess 9, and the front claw portions 24 and 25 as the engaging portions are provided on the lower surface of the base plate 13. The side slide claw portion 27 is provided, but conversely, the front claw portions 24 and 25 and the rear slide claw portion 27 are provided in the recess 9, and the front receiving portions 15 and 16, the rear receiving portion 18 and the base plate 13 are provided. A claw receiving portion 19 may be provided. Alternatively, one front receiving portion 15 may be provided on the front side of the recess 9, and the other front receiving portion 16 and the rear receiving portion 18 may be provided on the rear side.
In this embodiment, the front receiving parts 15 and 16 are first receiving parts, the rear receiving part 18 and the claw receiving part 19 are second receiving parts, and the front claw parts 24 and 25 are first receiving parts. The rear sliding claw portion 27 is the second engaging portion.
In addition, these receiving portions and engaging portions are provided with three points at each vertex of a substantially triangle in plan view, but instead of this, two points or four points or more are provided at each vertex of a substantially square shape. In this case, the holding strength of the base plate 13 can be further increased.

DESCRIPTION OF SYMBOLS 1 Flush toilet 2 Toilet body 4 Cover 4b Side tip 5 Toilet seat 5a Inclined part 9 Recessed part 9a Jetty part (circumferential wall part)
11 First hole portion 12 Second hole portion 13 Base plate (base portion)
15, 16 Front receiving part (receiving part)
17 Reverse nut 18 Rear side receiving part (receiving part)
19 Claw receiving part 22 1st protrusion part 23 2nd protrusion parts 24 and 25 Front side claw part (received part)
27 Rear slide claw portion 27b Claw portion 28 Coil spring 33 Water passage portion

Claims (5)

A toilet bowl body having a toilet bowl formed at the front part, a peripheral wall part provided at a peripheral part of the upper surface of the rear part, and a concave part formed inside the peripheral wall part and recessed downward with respect to the peripheral wall part;
A base portion having a functional portion that can be disposed in the recess,
The toilet body and the base part are supported via a receiving part,
The flush toilet bowl is characterized in that the receiving part is arranged in the toilet body inside the peripheral wall part and below the upper surface of the peripheral wall part. The recess is formed in a region lower than the upper surface of the toilet bowl,
The flush toilet according to claim 1, wherein the receiving part is supported by the toilet body in the recess.   The flush toilet according to claim 1 or 2, wherein the base part is configured to be able to install the functional part and includes a receiving part connected to the receiving part. In a state where the base portion is supported and fixed to the toilet body,
The flush toilet bowl according to any one of claims 1 to 3, wherein at least a part of an edge portion of the base portion is disposed along the peripheral wall portion. In the recess, a hole or a groove is formed downward,
The flush toilet bowl according to any one of claims 1 to 4, wherein at least a part of the base part in which the functional part is accommodated is configured to be fitted into the hole part or the groove part.

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