JP2023024591A - toilet bowl device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a toilet bowl device in which water flowing down along a toilet seat that is in an open state is less likely to adhere to a rear part of a toilet bowl part.

SOLUTION: A toilet bowl device 100 includes: a toilet bowl part 11 provided in a front part; and a toilet seat 5 having a bottom surface 51b opposite to a rim part 11b of the toilet bowl part 11 when being brought into a close state, and supported so as to be capable of being opened and closed. When the toilet seat 5 is brought into an open state, a rear part of the bottom surface 51b is positioned above a rear inclination surface of a receiving surface 11a of the toilet bowl part 11.

SELECTED DRAWING: Figure 3

COPYRIGHT: (C)2023,JPO&INPIT

Description

The present invention relates to a toilet device.

Many of the toilet seats and toilet lids installed in the toilet device are mounted on a rim portion surrounding the upper opening of the toilet bowl portion, and are rotatable at the rear portion of the toilet device by means of a hinge portion having a hinge shaft whose axial direction is the left-right direction. Supported. A toilet device is used by manually or electrically rotating a toilet seat and a toilet lid to open and close.

For example, in the toilet seat described in Patent Document 1, the surface of the bottom surface of the toilet seat is formed in an arc shape so that when the toilet seat is in the open position, the bottom surface of the toilet seat is positioned over the hole in the main body of the toilet. .

JP-A-2005-213877

In the toilet seat described in Patent Document 1, although it is unclear what the holes refer to in Patent Document 1, the bottom surface of the toilet seat is located above the rim surface of the toilet body. In addition, since the seat surface portion of the toilet seat on which the user sits is located on the bracket that supports the toilet seat in a rotatable manner when the toilet seat is in the open position, water flowing down along the seat surface portion does not reach the bracket. It drips and sticks. Furthermore, since the upper part of the bracket is covered by the toilet seat and is located in a narrow space when viewed from the front, it is difficult to clean once water adheres to the bracket.

SUMMARY OF THE INVENTION The present invention has been made in view of such circumstances, and its object is to provide a toilet device in which water flowing down along an open toilet seat is less likely to adhere to the rear portion of the toilet bowl. That's what it is.

A toilet device according to the present invention includes: a toilet bowl provided in a front portion; In the toilet device provided, the toilet seat is characterized in that the rear portion of the bottom surface is located above the rear inclined surface of the toilet bowl portion when the toilet seat is in an open state.

ADVANTAGE OF THE INVENTION According to this invention, the toilet bowl apparatus makes it difficult for the water which flows down along the toilet seat of an open state to adhere to the toilet bowl main body side.

It is a perspective view which shows the external appearance of the toilet bowl apparatus which concerns on embodiment. 1 is a perspective view showing an appearance of a toilet device with a toilet lid opened; FIG. 1 is a perspective view showing the appearance of a toilet device with a toilet lid and a toilet seat in an open state; FIG. 1 is a front view of a toilet device with a toilet lid and a toilet seat in an open state; FIG. FIG. 2 is a side view of the toilet device with the toilet lid and toilet seat in an open state; FIG. 5 is a cross-sectional view of the toilet device along line AA shown in FIG. 4; FIG. 4 is a schematic diagram for explaining how water flows down the toilet seat in an open state; It is a side view of the toilet bowl apparatus which concerns on a modification. It is a side view of the toilet bowl apparatus which concerns on another modification.

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described below based on preferred embodiments with reference to FIGS. 1 to 9. FIG. The same or equivalent constituent elements and members shown in each drawing are denoted by the same reference numerals, and duplication of description will be omitted as appropriate. In addition, the dimensions of the members in each drawing are appropriately enlarged or reduced for easy understanding. Also, in each drawing, some of the members that are not important for explaining the embodiments are omitted.

FIG. 1 is a perspective view showing the appearance of a toilet device 100 according to an embodiment. 2 is a perspective view showing the appearance of the toilet device 100 with the toilet lid 4 opened, and FIG. 3 is a perspective view showing the appearance of the toilet device 100 with the toilet lid 4 and the toilet seat 5 opened. The toilet device 100 includes a toilet body 1, a casing 2, a cover 3, a toilet lid 4, a toilet seat 5, and the like. The toilet body 1 has a toilet bowl portion 11 on the front end F side, and a component placement portion 12 on the rear portion behind the toilet bowl portion 11 . In the toilet device 100, the water flowing down along the toilet seat 5 is directed to the rear portion of the toilet bowl portion 11, that is, the upper surface of the toilet bowl body 1 such as the upper surface 11c of the rim portion 11b behind the toilet bowl portion 11, which will be described later, and the cover 3. , is configured to be difficult to adhere to the casing 2 . In the following description, the horizontal direction of the toilet device 100 is a horizontal direction perpendicular to the front-rear direction of the toilet device 100, and left and right are defined by viewing the toilet device 100 from the front end F side. do.

The toilet bowl portion 11 has a bowl-shaped receiving surface 11a for receiving waste, and a rim portion 11b formed around an upper opening of the receiving surface 11a. be killed. Washing water is discharged onto the receiving surface 11a, for example, from the back of the upper left part when viewed from the front end F toward the front. The washing water discharged onto the receiving surface 11a flows downward while swirling in one direction along the receiving surface 11a, washes the receiving surface 11a, and is discharged from a drainage channel (not shown) connected to the bottom of the receiving surface 11a. Discharged with filth.

If the discharged cleansing water is also poured onto the bottom surface 51b (see FIG. 3) of the toilet seat 5 to clean the bottom surface 51b, the cleansing water may adhere to the bottom surface 51b. In addition, even if the discharged cleaning water is not poured onto the bottom surface 51b and is configured to exclusively clean the receiving surface 11a, it is conceivable that part of the cleaning water scatters and adheres to the bottom surface 51b. be done.

The height of the upper end portion 12a of the component placement portion 12 is substantially the same as that of the rim portion 11b of the toilet bowl portion 11, and the casing 2 is placed on the upper end portion 12a. The casing 2 accommodates a plurality of functional parts (not shown). The functional parts include, for example, a toilet cleaning device, a cleaning water supply device, a private cleaning device for cleaning the private parts of a seated person, a toilet seat heating device for warming the toilet seat 5, an air blower for sending warm air into the toilet bowl portion 11, and cleaning foam supply device.

The casing 2 is box-shaped, dish-shaped, or the like, and is configured by accommodating the functional parts as described above. The width of the casing 2 in the front-rear direction extends from the rear end of the toilet body 1 to the vicinity of the rear edge of the bowl 11 , and the width in the left-right direction extends over the entire width of the toilet body 1 in the left-right direction. The casing 2 is placed on the upper end portion 12a of the component placement portion 12 at the peripheral edge portion 2a.

The cover 3 includes a top plate 3a and side plates 3b, and covers the upper and upper side surfaces of the casing 2. As shown in FIG. The cover 3 is removable from the casing 2 . The top plate 3a has a rectangular shape in plan view with rounded corners on the rear side. The side plates 3b are formed on the left, right and rear sides of the top plate 3a so as to extend downward from the sides of the top plate 3a. A front edge 3c of the top plate 3a is linear extending in the left-right direction.

The toilet lid 4 and the rear portion of the toilet seat 5 are supported by a hinge portion (not shown) provided on the casing 2 on the side of the toilet body 1 so as to be rotatable about a horizontal axis. When the toilet lid 4 and the toilet seat 5 are opened, the toilet lid 4 and the toilet seat 5 stand up in front of the casing 2 and stop.

The toilet lid 4 includes a flat top plate 4a that covers the toilet seat 5 and the toilet bowl portion 11 of the toilet body 1, and side plates 4b that cover the front and left and right sides of the toilet seat 5. As shown in FIG. In order to cover the toilet bowl 11, the top plate 4a has a semicircular shape on the front side and a rectangular shape on the rear side, and a straight rear edge 4c extending in the left-right direction.

The front edge 3c of the top plate 3a of the cover 3 abuts against the rear edge 4c of the top plate 4a of the toilet lid 4 with a slight gap, and the upper surface is flush with the top plate 4a of the toilet lid 4. . Further, the front edge 3c of the top plate 3a and the rear edge 4c of the top plate 4a are both linear in plan view. The top plate 3a of the cover 3 covers the upper side of the toilet lid hinge portion 21, and prevents dust, water, etc. from entering the toilet lid hinge portion 21 and accumulating thereon.

Referring to FIG. 1, the front edge of the side plate 3b of the cover 3 abuts the rear edge of the side plate 4b of the toilet lid 4 with a slight gap, and the outer surfaces of the side plates 3b and 4b are flush with each other. . The front edge of the side plate 3b of the cover 3 has the same length in the height direction as the rear edge of the side plate 4b of the toilet lid 4, giving the cover 3 and the toilet lid 4 a visual sense of unity. .

The toilet seat 5 has a seat portion 51 and a base end portion 52, and is rotatably supported by a hinge portion (not shown) on the casing 2 side. The seat portion 51 is formed in the shape of an annular plate having a hole corresponding to the upper opening of the receiving surface 11a of the toilet bowl portion 11. A user sits on the seat surface portion 51a, and the bottom surface 51b faces the rim portion 11b. to contact. A water return portion 54 formed in an annular shape corresponding to the shape of the hole is provided on the peripheral portion of the bottom surface 51b so as to protrude forward from the toilet seat 5 in the open state (upright state). When the toilet seat 5 is in the open state (upright state), the bottom end of the water return portion 54 is positioned at the center in the left-right direction. The water return portion 54 contacts the rim portion 11b when the toilet seat 5 is closed, and functions to prevent flush water from flowing out of the water return portion 54. - 特許庁The water return portion 54 may be formed integrally with the member forming the bottom surface 51b of the toilet seat 5, or may be formed by fixing an elastic resin packing to the bottom surface 51b by adhesion or the like. good too.

FIG. 4 is a front view of the toilet device 100 with the toilet lid 4 and the toilet seat 5 opened. As indicated by the arrows in FIG. 4, the water flowing down along the bottom surface 51b is directed from the outer side to the center in the horizontal direction by the water return portion 54 and gathers at the rear portion 51c of the bottom surface 51b.

The base end portion 52 is formed so that the surface 52a continues to the seat surface portion 51a. Further, the base end portion 52 has a housing portion 53 formed with a bulge toward the bottom surface 51b at the center portion in the left-right direction to form a space for housing a functional component therein. The bottom surface 53 b of the housing portion 53 is flush with the bottom surface 51 b of the seat portion 51 . A rear corner portion 53c of the bottom surface 53b of the housing portion 53 is rounded in an arc shape.

5 is a side view of the toilet device 100 with the toilet lid 4 and the toilet seat 5 opened, and FIG. 6 is a cross-sectional view of the toilet device 100 along line AA shown in FIG. The bottom surface 51b of the toilet seat 5 and the bottom surface 53b (including the corners 53c) of the housing portion 53 are located above the rear inclined surface 11d of the receiving surface 11a of the toilet bowl portion 11 when the toilet seat 5 is in the open state. .

The accommodation unit 53 accommodates a part of, for example, a private parts cleaning device. The private parts washing device has a nozzle 61a that advances toward the center of the seat portion 5a and retreats into the housing portion 53. The housing portion 53 houses a drive mechanism 61 that advances and retreats the nozzle 61a. make it A main body (not shown) such as a cleansing water supply unit of the private parts cleansing device that supplies cleansing water to the nozzle 61 a is provided inside the casing 2 . The nozzle 61a is connected to a pipe for supplying cleansing water from the cleansing water supply part of the private parts cleansing device, and the drive mechanism 61 is connected to an electric signal line from the main body side.

A seat surface portion 51a of the toilet seat 5 and a surface 52a of the base end portion 52 connected to the seat surface portion 51a are located forward of the casing 2 when the toilet seat 5 is in the open state. The seat surface portion 51a of the toilet seat 5 and the surface 52a of the base end portion 52 connected to the seat surface portion 51a are located on the front surface 13a of the partition wall portion 13 formed continuously with the upper surface 11c of the rim portion 11b of the toilet body 1 or It is positioned forward of the front surface 13a.

The partition wall portion 13 is formed continuously with the upper surface 11c of the rim portion 11b, is provided so as to extend in the left-right direction behind the toilet bowl portion 11, is higher than the rim portion 11b, and extends from the toilet bowl portion 11, It separates the casing 2 and the functional parts contained therein. A front surface 13a of the partition wall 13 is an inclined surface that slopes downward toward the front. Also, the upper surface 11c of the rim portion 11b at the rear portion of the toilet bowl portion 11, which is continuous with the front surface 13a of the partition wall portion 13, is preferably formed as an inclined surface that gently slopes downward toward the front. The front surface 13a of the partition wall 13 and the upper surface 11c of the rim portion 11b at the rear portion of the toilet bowl portion 11 continuous with the front surface 13a are exposed forward when the toilet seat 5 is open. The partition portion 13 is preferably molded integrally with the rim portion 11b, and is preferably made of ceramics, for example.

Next, the operation of the toilet seat 5 and the like in the toilet device 100 according to the embodiment will be described. FIG. 7 is a schematic diagram for explaining how water flows down the toilet seat 5 in the open state. 7 corresponds to the cross-sectional view shown in FIG.

As described above with reference to FIG. 4, the water flowing down along the bottom surface 51b is directed from the outside in the left-right direction toward the center by the water return portion 54 and gathers at the rear portion 51c of the bottom surface 51b. The water collected in the rear portion 51c flows down over the central portion of the water return portion 54 in the left-right direction. When the toilet seat 5 is in the open state, if the water return portion 54 protrudes forward from the accommodation portion 53, the water that has passed over the water return portion 54 drips onto the rear inclined surface 11d of the receiving surface 11a of the toilet bowl portion 11. - 特許庁do.

If the water return portion 54 does not protrude forward from the container portion 53 when the toilet seat 5 is in the open state, the water that has crossed over the water return portion 54 flows out to the bottom surface 53b of the container portion 53. - 特許庁A corner portion 53c of a bottom surface 53b of the accommodating portion 53 is rounded, and the surface normal direction gradually changes from the front to the bottom from one end P to the other end Q of the corner indicated by an arrow in FIG. Therefore, the water that has flowed out to the bottom surface 53b of the storage portion 53 flows down along the bottom surface 53b, and flows down to the rear inclined surface 11d of the receiving surface 11a of the toilet bowl portion 11 between one end P and the other end Q of the corner portion 53c. Dripping. The toilet device 100 causes water flowing down along the bottom surface 51b of the toilet seat 5 in the open state to drop onto the rear inclined surface 11d of the receiving surface 11a of the toilet bowl portion 11 . As a result, the toilet device 100 prevents water from adhering to the upper surface of the toilet bowl body 1 such as the upper surface 11c of the rim portion 11b behind the toilet bowl portion 11, the cover 3, and the casing 2. can be suppressed.

Furthermore, the water that has flowed backward beyond the other end Q drips onto the front surface 13a of the partition wall 13 and the upper surface 11c of the rim portion 11b at the rear of the toilet bowl portion 11 that is continuous with the front surface 13a. Water flowing down along the surface 52a of the seat surface portion 51a and the base end portion 52 drips onto the front surface 13a of the partition wall portion 13 and the upper surface 11c of the rim portion 11b at the rear portion of the toilet bowl portion 11 that is continuous with the front surface 13a. .

The front surface 13a of the partition wall 13 is an inclined surface that slopes downward toward the front. Further, if the upper surface 11c of the rim portion 11b at the rear portion of the toilet bowl portion 11, which is continuous with the front surface 13a of the partition wall portion 13, is an inclined surface that gently slopes downward toward the front, the upper surface 11c of the rim portion 11b It flows down to the rear inclined surface 11 d of the toilet bowl portion 11 .

The water that has flowed down onto the front surface 13a of the partition wall 13 and the upper surface 11c of the rim portion 11b in the rear portion of the toilet bowl portion 11 that is continuous with the front surface 13a is exposed forward even when remaining on the front surface 13a and the upper surface 11c. Therefore, it can be easily cleaned by wiping with a cloth. If the gap between the upper surface 11c of the rim portion 11b and the toilet seat 5 in the open state is enough to accommodate the thickness of a finger and a piece of cloth, for example, 3 cm, cleaning performance will be good, and the height of the hinge portion that supports the toilet seat 5 in a rotatable manner. Depending on the width and arrangement of the rear end face of the toilet seat 5, a gap of about 3 to 10 and several centimeters can be provided. Further, by making the partition wall portion 13 integrally formed with the rim portion 11b and made of pottery, the cleanability is further improved.

The toilet seat 5 as a whole is provided in front of the partition wall 13 in the open state, and the casing 2 containing the functional parts is positioned behind the toilet seat 5, so that the functional parts and the casing 2 are prevented from being splashed with water. be done.

By providing the seat portion 53 in the toilet seat 5 and arranging some of the functional parts in the seat portion 53, the number of functional parts to be arranged in the casing 2 can be reduced. As a result, the casing 2 can be made compact and can be easily arranged behind the toilet bowl portion 11 and the toilet seat 5 in the toilet device 100 .

The accommodation portion 53 of the toilet seat 5 is provided in the central portion of the base end portion 52 in the rear portion of the toilet seat 5 so as to swell toward the bottom surface 51b side, and part of the functional parts can be arranged inside the toilet seat 5. can.

(Modification)
FIG. 8 is a side view of the toilet device 100 according to the modification. The toilet seat 5 of the toilet device 100 according to this modification has a draining portion 55 formed on the bottom surface 51b and the bottom surface 53b side of the rear portion so as to extend downward or diagonally downward in the open state. Although the draining portion 55 shown in FIG. 8 is provided at one end P of the corner portion 53c of the accommodating portion 53, it may be provided between the one end P and the other end Q. As shown in FIG. The draining portion 55 may be provided, for example, over the entire width in the horizontal direction of the bottom surface 53b of the housing portion 53, or may be provided partially in the central portion where water flows well.

When the toilet seat 5 is in the open state, the draining portion 55 is formed to extend downward or diagonally downward, so that the water reaching the tip of the draining portion 55 is can be reliably dripped onto the rear inclined surface 11d of the . The draining portion 55 may be formed integrally with the accommodating portion 53, or may be fixed to the accommodating portion 53 as a separate member.

FIG. 9 is a side view of the toilet device 100 according to another modified example. The toilet seat 5 of the toilet device 100 according to this modification has a tongue-shaped drainer formed in the water return portion 54 on the side of the bottom surface 51b in the rear portion so as to extend downward or forward and obliquely downward when in the open state. It has a portion 56 . The draining portion 56 is provided at the center of the lower end of the water return portion 54 when the toilet seat 5 is open, but may be provided below the center of the lower end. Since the water flowing down the bottom surface 51b is gathered at the center in the horizontal direction by the water return portion 54, the drain portion 56 may be partially provided in the horizontal direction at the central portion of the lower end of the water return portion 54. FIG.

As shown in FIG. 9 , the tip of the draining portion 56 is positioned forward of the bottom surface 53 b of the housing portion 53 . As a result, the water that reaches the tip through the draining portion 56 can be reliably dripped onto the rear inclined surface 11 d of the receiving surface 11 a of the toilet bowl portion 11 . The draining portion 56 may be formed integrally with the water return portion 54, or may be a separate member fixed to the water return portion 54 or below the water return portion 54. .

Next, the features of the toilet device 100 according to the embodiment and modifications will be described.
The toilet device 100 according to the embodiment and the modified example of the present invention has a toilet bowl portion 11 provided in the front portion, and a bottom surface 51b facing the rim portion 11b of the toilet bowl portion 11 when closed. a toilet seat 5 supported so as to be openable and closable. When the toilet seat 5 is in the open state, the rear portion of the bottom surface 51b is positioned above the rear inclined surface 11d of the receiving surface 11a of the toilet bowl portion 11. As shown in FIG. As a result, the toilet device 100 causes the water flowing down along the bottom surface 51b of the toilet seat 5 in the open state to drop onto the rear inclined surface 11d of the receiving surface 11a of the toilet bowl 11, so that the rear portion of the toilet bowl 11 is not exposed to water. It is possible to suppress the adhesion of water to.

Further, the toilet device 100 is provided with a casing 2 that houses functional parts behind the toilet seat 5 . As a result, the toilet device 100 can prevent water from falling from the toilet seat 5 onto the casing 2 that houses the functional components.

Further, the toilet device 100 has some functional parts arranged at the rear portion of the toilet seat 5 . As a result, the casing 2 of the toilet device 100 can be made compact, and the casing 2 can be easily arranged behind the toilet bowl portion 11 and the toilet seat 5 .

The toilet seat 5 also includes a housing portion 53 that bulges toward the bottom surface 51b at the central portion of the base end portion 52 in the rear portion and houses a portion of the functional component. As a result, in the toilet device 100 , part of the functional components can be accommodated in the accommodation portion 53 provided in the toilet seat 5 .

Further, the toilet seat 5 has a draining portion 55 or a draining portion 56 formed on the bottom surface 51b side of the rear portion so as to extend downward or forward and obliquely downward when in the open state. As a result, the toilet device 100 can reliably drop the water that has reached the tip of the draining portion 55 or the draining portion 56 onto the rear inclined surface 11 d of the receiving surface 11 a of the toilet bowl portion 11 .

The above has been described based on the embodiments of the present invention. Those skilled in the art will appreciate that these embodiments are illustrative and that various variations and modifications are possible within the scope of the claims of the present invention, and that such variations and modifications also fall within the scope of the claims of the present invention. It is about to be done. Accordingly, the description and drawings herein are to be regarded in an illustrative rather than a restrictive sense.

11 toilet bowl portion, 11b rim portion, 11d rear inclined surface, 2 casing,
5 toilet seat, 51b bottom surface, 53 storage part, 55 draining part, 56 draining part,
100 Toilet device.

Claims (3)

A toilet device comprising: a toilet bowl portion provided in a front portion;
A casing for housing functional parts is provided behind the toilet seat, and a part of the functional parts is arranged at the rear part of the toilet seat,
When the toilet seat is in an open state, the rear portion of the bottom surface is located forward of the casing and is located above the rear inclined surface of the toilet bowl portion without a shield,
When the toilet seat is opened, the surfaces of the rear end of the toilet seat and the base end of the toilet seat are located forward of the casing, and continue to the rear inclined surface and the rear inclined surface to the rear. A toilet bowl device characterized by being positioned above an upper surface of the rim portion formed toward the rim portion and an inclined surface continuous with the upper surface and inclined upward toward the rear. 2. The toilet device according to claim 1, wherein said toilet seat has a storage portion that bulges toward said bottom surface and stores a portion of said functional component in a central portion of the rear portion thereof. 3. The toilet seat according to any one of claims 1 and 2, wherein said toilet seat has a draining portion formed on said bottom surface side in the rear portion so as to extend downward or forward and obliquely downward when in an open state. The toilet bowl device according to .

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