JP2007308913A - Flush toilet bowl - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a sanitary flush toilet bowl capable of preventing washing water from remaining on an end face on an inner side of a rim part, preventing washing water from dripping of water drops, making filthy an inner face of a toilet bowl main body, and facilitating cleaning. <P>SOLUTION: In this flush toilet bowl constituted by protruding a rim part 2 onto an inner side like a bent plate piece integrally at an upper end opening fringe of the bowl-shaped toilet bowl main body 1 opened upward and providing a turning passage part 3 allowing washing water to flow along the peripheral direction of opening on a lower side of the rim part 2 so that the washing water discharged forward from a rear part of the toilet bowl main body 1 washes away excrements along an inner face of the toilet bowl main body 1 by the force of the washing water flowing in the circular passage 3, the end face 21 on an inner side of the rim part 2 is formed as an inclined face extending downward and toward an inner side. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention integrally forms a rim portion projecting inwardly at an upper end opening edge of a bowl-shaped toilet body body opened upward, and the flushing water flowing along the circumferential direction of the opening below the rim portion vigorously The present invention relates to a flush toilet that flushes filth through the inner surface of the main body.

  Conventionally, as shown in FIG. 4, a rim portion 2 projecting in the shape of a bent plate inward is integrally formed at the upper end opening edge of the bowl-shaped toilet body 1 that opens upward, and the lower side of the rim portion 2. The swirl circuit part 3 through which the wash water flows along the circumferential direction of the opening is provided, and the wash water discharged forward from the discharge port 9 provided in the rear part of the toilet body 1 flows in the swirl circuit part 3 with a momentum. A flush toilet that rinses away filth along the inner surface of the main body 1 is known (Patent Document 1: Japanese Patent Application Laid-Open No. 2004-11413). Here, a rim portion 2 and a shelf-like portion 4 facing below the rim portion 2 are projected from the inner surface of the toilet body 1, and a groove-like shape in which the space between the rim portion 2 and the shelf-like portion 4 is opened inward. The turning circuit unit 3 is provided.

Therefore, in this flush toilet, the wash water discharged forward from the discharge port 9 flows vigorously along the turning circuit portion 3, and at that time, the rim portion 2 scatters and overflows the wash water. The washing water is prevented from flowing through the inner surface of the toilet body 1 while swirling vigorously to wash away the filth, and is removed from an outlet (not shown) provided at the bottom of the toilet body 1. Further, in this case, the turning circuit portion 3 has a groove shape opened inward, so that it can be cleaned when the inside becomes dirty.
JP 2004-11413 A

  However, in the flush toilet according to the conventional example, the inner front end surface 21 of the rim portion 2 is a vertical surface and swivels from the corner portion formed by the lower surface 22 of the rim portion 2 and the inner front end surface 21. The washing water flowing in the passage portion 3 remains after washing and easily drops as water droplets, and the upper surface of the shelf-like portion 4 where the water droplets hang down and the inner surface of the toilet body 1 are easily soiled. In addition, bacteria and molds are likely to propagate on the portion of the upper surface of the shelf-like portion 4 or the inner surface of the toilet body 1 where water drops have dropped, and there is a possibility that calcium or the like contained in tap water will adhere. It was difficult to clean and was a problem in hygiene.

  The present invention has been made in view of the above-mentioned background art, and the problem is that the washing water is less likely to remain on the inner front end surface of the rim portion after washing, and is prevented from dripping down as water droplets. It is an object of the present invention to provide a hygienic flush toilet which is hard to get dirty on the inner surface and easy to clean.

  In order to solve the above-mentioned problem, the invention according to claim 1 of the present application is formed by integrally forming a rim portion protruding in the shape of a folded plate inwardly at the upper end opening edge of the bowl-shaped toilet body opening upward. A flush toilet that is provided with a swirl circuit that allows washing water to flow along the circumferential direction of the opening at the lower side of the unit, and that flushes down the inner surface of the toilet body by the force of the wash water flowing through the swirl circuit to wash away filth. The inner front end face is formed as an inclined face toward the lower inner side.

  In the flush toilet, the rim portion and a shelf-like portion facing below the rim portion protrude from the inner surface of the toilet body, and the space between the rim portion and the shelf-like portion is inward. It is characterized by the fact that it is an open groove-shaped turning circuit.

  The invention according to claim 3 of the present application is characterized in that, in the flush toilet, the upper surface of the shelf-like portion is inclined inward and downward.

  In the flush toilet which is the invention according to claim 1 of the present application, the wash water discharged toward the front flows vigorously along the turning circuit portion, and at that time, the rim portion causes scattering or overflow of the wash water upward. The washing water is prevented from flowing through the inner surface of the toilet body while flowing down and washing away the filth. Moreover, the rim | limb part protrudes in the shape of a bending board piece, A material is reduced and it leads also to a cost reduction.

  In addition, since the inner front end surface of the rim portion that protrudes in the shape of a bent plate is formed as an inclined surface toward the lower inner side, the cleaning water after cleaning that has flowed in the turning circuit portion is applied to the inner front end surface. It is transmitted to the lower surface of the rim portion without remaining, and smoothly flows down to the inner surface of the lower toilet body, and is prevented from dripping as water droplets. For this reason, the inner surface of the toilet body is difficult to get dirty, easy to clean and hygienic.

  Moreover, in the flush toilet which is the invention described in claim 2 of the present application, in particular, since the grooved turning circuit portion is opened inward between the rim portion and the shelf-like portion protruding below the rim portion. In this turning circuit portion, the washing water is regulated and easily follows, the washing water is speeded up to enhance the turning momentum, and the inside of the turning circuit portion is easy to clean.

  Moreover, in the flush toilet which is the invention according to claim 3 of the present application, in particular, since the upper surface of the shelf-like portion is inclined inward and downward, the wash water after washing is accumulated on the inclined upper surface of the shelf-like portion. It is smoothly flowed down to the inner surface of the lower toilet body, and the inner surface of the toilet body is reliably prevented from being contaminated.

  1 and 2 show an embodiment corresponding to all claims 1 to 3 of the present application. The flush toilet of this embodiment is formed integrally with a rim portion 2 protruding in the shape of a folded plate inward at the upper end opening edge of a bowl-shaped toilet body 1 that opens upward, and is opened below the rim portion 2. The swirl circuit portion 3 through which the wash water flows along the circumferential direction is provided, and the wash water flows down the inner surface of the toilet body 1 with a force of flowing through the swirl circuit portion 3 to wash away the filth. And in this flush toilet, as shown in FIG. 2, the inner side front end surface 21 of the rim | limb part 2 is formed as an inclined surface which goes to a downward inner side.

  Further, in the flush toilet of this embodiment, the rim portion 2 and the shelf-like portion 4 facing below the rim portion 2 project from the inner surface of the toilet body 1, and the space between the rim portion 2 and the shelf-like portion 4 is opened inward. In this case, the upper surface 41 of the shelf-like portion 4 is inclined inward and downward.

  Hereinafter, the flush toilet of this embodiment will be described in more detail. As shown in FIG. 1, the flush toilet of this embodiment is a western-style toilet that can be used while sitting. The toilet body 1 is in the shape of a bowl that opens upward, and is formed of a synthetic resin such as pottery or acrylic resin, and is installed and fixed on the floor surface of the toilet room. A local cleaning device 5 is installed on the rear end of the toilet body 1, and a heating toilet seat 6 and a toilet lid 7 are rotatably supported on the local cleaning device 5. Is placed on the upper end opening of the toilet body 1 as necessary.

  On the back surface of the toilet seat 6, cushioning legs 8 made of rubber or the like are disposed on the left and right sides near the front and rear ends, and the toilet seat 6 is placed on the upper end opening of the toilet body 1 via the cushioning legs 8. Is done. At that time, the buffer leg 8 is abutted and supported on the rim portion 2 that protrudes relatively large from the upper end opening edge of the toilet body 1. Further, a nozzle (not shown) of the local cleaning device 5 protrudes from the rear portion of the bowl of the toilet body 1 so as to be able to advance and retreat. The local part of the human body seated on the toilet seat 6 can be washed.

  A discharge port 9 is provided on one side of the rear portion of the bowl of the toilet body 1, and the wash water is discharged (A) forward from the discharge port 9 and swung along the turning circuit unit 3. After that, the momentum is maintained, it becomes a spiral flow (B), flows down the inner surface of the toilet body 1 to wash away the waste, and is removed together with the waste from an outlet (not shown) provided at the bottom of the toilet body 1. . In addition, as for the washing water which wash | cleans the inside of the bowl of the toilet bowl main body 1, tap water may be discharged by the pressure and the water separately stored in the tank may be discharged by the pump pressure.

  A rim portion 2 is integrally formed at the upper opening edge of the toilet body 1 so as to protrude inwardly in the shape of a bent plate over the entire circumference. And as shown in FIG. 2, the rim | limb part 2 is substantially the same thickness as the surrounding wall of the toilet bowl main body 1, and is formed so thinly as the front end side by presence of the inner side end surface 21 which only the front-end | tip part inclined. That is, the inner front end surface 21 of the rim portion 2 is formed as an inclined surface directed downward and inward, and the lower surface 22 of the rim portion 2 is substantially horizontal, but the front end portion of the rim portion 2 is tapered and tapered. It has become.

  Further, a shelf-like portion 4 facing the rim portion 2 is provided below the rim portion 2 so as to protrude from the inner surface of the toilet body 1, and the space between the rim portion 2 and the shelf-like portion 4 opens inward. The grooved lathe circuit portion 3 is formed. In this case, the upper surface 41 of the shelf-like portion 4 is inclined inward and downward, and the vicinity of the inner end of the shelf-like portion 4 is formed in an R shape. Therefore, the wash water flows smoothly downward to the inner surface of the toilet body 1 without remaining in the shelf 4 and remaining. In addition, the site | part which becomes thick under the shelf-like part 4 of the toilet bowl main body 1 is formed in the hollow shape, and the cost reduction and weight reduction by material reduction are achieved.

  Therefore, in the flush toilet of this embodiment, the wash water discharged forward from the discharge port 9 flows vigorously along the turning circuit portion 3, and at that time, the rim portion 2 scatters the wash water upward. Water is prevented from overflowing, and the washing water flows down while vigorously swirling the inner surface of the toilet body 1 to wash away the filth. Moreover, the rim | limb part 2 protrudes in the shape of a bending plate piece, and it leads to a cost reduction by reducing material.

  Moreover, since the inner front end surface 21 of the rim portion 2 that protrudes in the shape of a bent plate is formed as an inclined surface that faces inward downward, the wash water that has flowed through the turning circuit portion 3 It is transmitted to the lower surface 22 of the rim portion 2 without remaining on the inner front end surface 21 and smoothly flows down to the inner surface of the toilet body 1 below, and is prevented from dripping as water droplets. Therefore, the inner surface of the toilet body 1 is not easily soiled, is easy to clean, and is hygienic.

  Further, in the flush toilet of this embodiment, since the grooved turning circuit part 3 is opened inwardly between the rim part 2 and the shelf-like part 4 projecting below, the turning circuit The washing water is regulated in the portion 3 so that it is easy to follow. The washing water is speeded up to enhance the momentum of turning, and the inside of the turning circuit portion 3 is easy to clean.

  Further, in this case, since the upper surface 41 of the shelf-like portion 4 is inclined inward and downward, and the inner end of the upper surface 41 is continuous downward through the R shape, Is smoothly flowed down to the inner surface of the toilet body 1 below without being accumulated on the inclined upper surface 41 of the shelf-like portion 4, and contamination of the inner surface of the toilet body 1 is reliably prevented. Further, in this case, the space between the tip portion of the rim portion 2 and the upper surface 41 of the shelf-like portion 4 is greatly expanded, so that the inside of the turning circuit portion 3 can be more easily cleaned.

  Moreover, in this invention, embodiment as shown to Fig.3 (a) or (b) may be sufficient. That is, in the embodiment shown in FIG. 3A, the lower surface 22 of the rim portion 2 is formed as an inclined surface directed downward and inward, and the inclination of the lower surface 22 is the inner front end surface of the rim portion 2. It is looser than the slope of 21. In this case, the washing water does not stay on the lower surface 22 of the rim portion 2 and flows more smoothly from there to the inner surface of the toilet body 1 below, and it is reliably prevented from dripping as water droplets. The rest of the configuration is the same as in the above embodiment, and the same effects as in the above embodiment are achieved.

  In the embodiment shown in FIG. 3B, the inner front end surface 21 and the lower surface 22 of the rim portion 2 are continuously formed in an R shape, and the vicinity of the outer end of the lower surface 22 and the shelf-shaped portion 4. Both of the upper end 41 and the vicinity of the outer end of the upper surface 41 are formed in an R shape, and the washing water is transferred from the inner front end surface 21 of the rim portion 2 to the lower surface 22 and smoothly flows down to the inner surface of the toilet body 1 below. Thus, it is more reliably prevented that the water drops. In this case, the rim portion 2 is formed in a hollow shape so as not to be thick, and cost reduction and weight reduction are achieved by reducing the material. The rest of the configuration is the same as in the above embodiment, and the same effects as in the above embodiment are achieved.

The perspective view which shows the flush toilet bowl which is one Embodiment of this invention. XX sectional drawing in FIG. (A), (b) is principal part sectional drawing which shows the flush toilet which is another different embodiment, respectively. The principal part perspective view which shows the flush toilet bowl which is a prior art example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Toilet body 2 Rim part 21 Inner front end surface 3 Turning circuit part 4 Shelf-like part 41 Upper surface

Claims (3)

  A turning circuit that integrally forms a rim that protrudes in the shape of a bent plate inwardly at the upper opening edge of the bowl-shaped toilet body that opens upward, and the wash water flows along the circumferential direction of the opening below the rim The flush toilet is formed as an inclined surface in which the inner front end surface of the rim part is directed to the lower inner side. .   A rim part and a shelf-like part opposite to the rim part are projected on the inner surface of the toilet body to form a groove-like turning circuit part opened inward between the rim part and the shelf-like part. The flush toilet according to claim 1.   The flush toilet according to claim 2, wherein the upper surface of the shelf is inclined inward and downward.

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