JP6284237B2 - Toilet bowl - Google Patents

Description

  The present invention relates to a toilet bowl.

  Patent document 1 is disclosing the conventional toilet bowl. The toilet includes a standing wall portion, a connecting portion, and an intermediate wall portion. The standing wall portion extends downward from the inner periphery of the rim. The connecting portion is formed by a curved surface that is curved so as to protrude outward from the lower end of the standing wall portion, and the lower end portion extends inward. The intermediate wall portion extends in the horizontal direction from the lower end of the connecting portion toward the inside. Further, the intermediate wall portion is provided at a predetermined distance from the upper edge of the standing wall portion. For this reason, in this toilet, the flush water flowing on the surface of the intermediate wall portion is outside the toilet bowl without forming an overhang portion that projects the upper end portion of the standing wall portion inward so as to cover the intermediate wall portion. Jumping out can be suppressed. Moreover, since this toilet bowl does not have an overhang part, the whole inside of a toilet bowl can be looked at at a glance, the stain | pollution | contamination of the surface of a toilet bowl is easy to visually recognize, and cleaning of a toilet bowl can be performed easily. it can.

JP 2005-98003 A

  However, in the toilet of Patent Document 1, the connecting portion is sharply bent and extends inwardly. For this reason, this urinal may stay at the lower end of the standing wall when urine collides with the connecting portion. If urine collides with the urine staying at the lower end of the standing wall, splashing may occur and the urine may be scattered outside the toilet bowl.

  This invention is made | formed in view of the said conventional situation, Comprising: It is set as the problem which should be solved to provide the toilet bowl which can suppress generation | occurrence | production of the droplet of a urine.

The toilet of the present invention is
A standing wall that forms a surface extending in the vertical direction at the upper end,
Continuing from the lower end of the standing wall, a curved surface is formed so that the surface protrudes outward, the lower end extends inward, and the curvature radius in the vertical direction of the curved surface is maximum at the left and right center of the front region. A connecting portion that gradually decreases toward the left and right sides;
It is characterized by having a toilet bowl having an intermediate wall portion that is continuous with the lower end of the connecting portion and forms a slightly inclined surface toward the inside.

  In the toilet of the present invention, a connecting portion formed by a curved surface curved so that the surface protrudes outward connects the standing wall portion and the intermediate wall portion. The connection part in the left-right center part of the front side area | region of a toilet bowl is a part assumed that a urine collides directly. This portion is formed by a curved surface having a maximum curvature radius in the vertical direction. For this reason, when the urine collides with the curved surface of the left and right center part of the front region of the toilet bowl, the urine can easily flow the urine because the vertical radius of curvature of this part is large. That is, this toilet can suppress a urine staying in the boundary part of a standing wall part and a connection part.

  Therefore, the toilet of the present invention can suppress the occurrence of urine splashes.

It is a perspective view of the toilet bowl of an Example. It is a top view which shows the toilet bowl of an Example. It is left-right center sectional drawing of the toilet bowl of an Example. It is sectional drawing of the arrow AA part in FIG. It is sectional drawing of the arrow BB part in FIG. FIG. 3 is a cross-sectional view taken along the line CC in FIG. 2. It is sectional drawing of the arrow DD part in FIG.

  A preferred embodiment of the present invention will be described.

  In the toilet bowl of the present invention, the midpoint of the vertical arc of the curved surface may be the lowest at the left and right center of the front region of the toilet bowl. In this case, the connecting portion at the left and right center of the front region of the toilet bowl is a portion where urine is expected to hit directly, and the midpoint of the vertical arc of this portion is made the lowest, the upper end of the toilet bowl By increasing the distance from the edge, it is possible to make it difficult for urine droplets to splash outside the toilet bowl.

  In the toilet of the present invention, the surface of the upper end portion may be slightly inclined outward in the vertical or upward direction. In this case, this toilet can overlook the entire surface of the toilet bowl at a glance. For this reason, this toilet bowl is easy to visually recognize the dirt on the surface of the toilet bowl, and can easily clean the toilet bowl.

  Next, an embodiment embodying the toilet of the present invention will be described with reference to the drawings.

<Example>
The toilet bowl of an Example is provided with the toilet bowl 10, the drainage channel 30, the rim | limb 11, the surrounding wall 12, the support wall 17, and the upper surface part 50, as shown in FIGS.

  As shown in FIGS. 1, 2, and 3, the toilet bowl 10 has a bowl shape. The toilet bowl 10 includes a first standing wall portion 13 (standing wall portion), a connecting portion 23, an intermediate wall portion 14, and a second standing wall portion 15. The surface of the first standing wall portion 13 extends in the vertical direction and is slightly inclined outward (upper and lower sides are the left and right sides in FIG. 3; the same applies hereinafter). The connecting part 23 has a curved surface 23A that is continuous with the lower end of the first standing wall part 13 and protrudes outward, and the lower end part extends inward. The intermediate wall portion 14 has a surface that extends continuously from the lower end of the connecting portion 23 and inclines slightly downward toward the inside. The surface of the second standing wall portion 15 extends downward from the lower end portion of the intermediate wall portion 14 and is slightly inclined inward. That is, the upper end portion of the toilet bowl 10 is slightly inclined outward with the surface facing upward. Moreover, between the upper end part and intermediate part of the toilet bowl 10 is the curved surface 23A curved so that the surface might protrude outside. Further, the intermediate portion of the toilet bowl 10 is slightly inclined downward with the surface facing inward. Furthermore, the lower end portion of the toilet bowl 10 is slightly inclined inward with the surface facing downward.

  As shown in FIGS. 1 to 3, the curved surface 23 </ b> A of the connecting portion 23 has the largest vertical radius of curvature at the left and right center of the front region 24 of the toilet bowl 10 (left and right are the left and right sides in FIG. 1. the same.).

  Further, as shown in FIGS. 3 and 4, the curved surface 23 </ b> A of the connecting portion 23 has the middle point 25 of the vertical arc that is the lowest at the left and right center of the front region 24 of the toilet bowl 10 (previous FIG. (The same shall apply hereinafter.)

  As shown in FIG. 3, the drainage channel 30 communicates with the downstream side of the toilet bowl 10. The drainage channel 30 includes a first descending channel 31, an ascending channel 32, and a second descending channel 33. The first descending flow path 31 communicates with the downstream side of the toilet bowl 10 and extends downwardly toward the rear of the toilet bowl 10 (the following is the lower side in FIG. 3; the same applies hereinafter). The ascending channel 32 communicates with the downstream side of the first descending channel 31 and extends upwardly toward the rear of the toilet bowl 10. The second descending flow path 33 communicates with the downstream side of the ascending flow path 32 and extends substantially vertically downward. The second descending flow path 33 has a downstream opening 34 that opens downward. In this toilet bowl, a water storage portion 16 is formed by the lower end portion of the toilet bowl 10, the first descending flow path 31, and the ascending flow path 32.

  As shown in FIG. 2, the toilet bowl 10 has an oval shape in which a surface opening shape has a curvature radius of a front end portion smaller than a curvature radius of a rear end portion in a plan view seen from above. As shown in FIGS. 2 and 7, the toilet bowl 10 is provided with a water discharge port 18 in the middle in the vertical direction at the rear end portion on the left side of the first standing wall portion 13. The water discharge port 18 has a substantially oval shape whose outer shape is long in the horizontal direction. Further, the water discharge port 18 is formed such that the lower end edge is higher on the left side than the right side.

  The rim 11 is continuous with the upper end of the toilet bowl 10 and extends almost horizontally outward and forward in the left-right direction. As shown in FIGS. 1 and 2, the rim 11 is formed so that the width is gradually narrowed from the front end toward the center of the left and right region 26. That is, this toilet bowl has a smaller radius of curvature in the circumferential direction at the upper end portion of the left and right area 26 of the toilet bowl 10 without expanding the left and right widths of the toilet bowl 10 in a plan view seen from above, so that the front area 24 of the toilet bowl 10 The curvature radius in the circumferential direction of the upper end of the can be increased. In connection with this, this toilet bowl can also make the curvature radius of the circumferential direction of the connection part 23 in the front side area | region 24 of the toilet bowl 10 large. Even with this shape, when the urine collides with the curved surface 23A at the left and right center portion of the front end portion of the connecting portion 23, the urine can easily flow in the left and right direction. That is, this toilet can suppress urine splashes from being scattered outside the toilet bowl 10 by suppressing urine from staying at the boundary between the first standing wall portion 13 and the connecting portion 23.

  As shown in FIGS. 3, 4, 5, and 6, the peripheral wall 12 extends downward continuously from the outer peripheral end of the rim 11. This peripheral wall 12 covers the front and left and right of the toilet bowl 10. The peripheral wall 12 is curved so as to be slightly recessed inward from the outer peripheral end of the rim 11 downward. The lower end surface of the peripheral wall 12 is installed on the floor surface. As shown in FIG. 3, the support wall 17 is formed by connecting the lower portion of the toilet bowl 10 and the front side of the lower end portion 19 of the peripheral wall 12.

  As shown in FIGS. 1, 2, and 3, the upper surface portion 50 extends rearward continuously from the upper end portion of the toilet bowl 10. This toilet has a cleaning tank mounting part 51 for mounting a cleaning tank (not shown) for storing cleaning water supplied to the toilet bowl 10 behind the upper surface part 50. This toilet is provided with a lower surface portion 54 below the upper surface portion 50 and spaced from the upper surface portion.

  As shown in FIG. 3, this toilet forms a water supply space 55 surrounded by the first standing wall portion 13, the upper surface portion 50, the lower surface portion 54, and the front wall 51 </ b> A of the cleaning tank placement portion 51. This water supply space 55 is provided in the upper end part of the rear part of the toilet bowl. The water supply space 55 communicates with the cleaning tank mounting part 51 through a water supply hole 56 provided in the front wall 51A of the cleaning tank mounting part 51. Further, the water supply space 55 communicates with the toilet bowl 10 through the water outlet 18. In this toilet bowl, a distributor (not shown) is inserted into the water supply port 56 from the washing tank mounting portion 51 side.

  As shown in FIG. 1 and FIG. 2, the upper surface portion 50 has a pair of through holes 57 penetrating in the vertical direction. These through holes 57 are provided at symmetrical positions with respect to the left and right center line of the toilet. These through holes 57 penetrate from the upper surface portion 50 to the lower surface portion 54. These through holes 57 are separated from the water supply space 55. These through holes 57 are inserted with fixtures (not shown) for fixing the toilet seat device.

  As shown in FIGS. 3 to 7, this toilet has a cavity 20 surrounded by a toilet bowl 10, a rim 11, a peripheral wall 12, and a support wall 17. Further, as shown in FIG. 1, the toilet includes a pair of flange portions 58 at the lower end portion of the rear portion. These flange portions 58 are provided at symmetrical positions with respect to the left and right center line of the toilet. Each of the flange portions 58 is provided with a through hole 59 at each intermediate portion. These through holes 59 are provided at symmetrical positions with respect to the left and right center line of the toilet. These through holes 59 are provided in the flange portion 58 in a vertical direction. These through holes 59 are inserted with fixtures (not shown) that are fixed when the toilet is installed on the floor.

  In the toilet having such a configuration, a connecting portion 23 formed by a curved surface 23A curved so that the surface projects outwardly connects the first standing wall portion 13 and the intermediate wall portion 14. The connection part 23 in the left-right center part of the front side area | region 24 of the toilet bowl 10 is a part assumed that a urine collides directly. This portion is formed by a curved surface having a maximum curvature radius in the vertical direction. For this reason, when the urine collides with the curved surface 23A at the left and right center portion of the front region 24 of the toilet bowl 10, the urine can easily flow the urine because the vertical radius of curvature of this portion is large. That is, this toilet can suppress urine from staying at the boundary between the first standing wall portion 13 and the connecting portion 23.

  Therefore, the toilet of the present invention can suppress the occurrence of urine splashes.

  In the toilet bowl of the embodiment, the midpoint 25 of the arc in the vertical direction of the curved surface 23 </ b> A is the lowest at the left and right center of the front region 24 of the toilet bowl 10. Thereby, this toilet bowl has the lowest middle point 25 in the vertical arc of the connecting portion 23 in the left and right central portion of the front region 24 of the toilet bowl 10 and increases the distance from the upper edge of the toilet bowl 10. The urine droplets are less likely to splash outside the toilet bowl 10.

  Moreover, the toilet bowl of an Example has the surface of the upper end part of the toilet bowl 10 inclining slightly outside toward the upper direction. For this reason, this toilet bowl can overlook the whole surface of the toilet bowl 10 at a glance. For this reason, this toilet bowl is easy to visually recognize the dirt on the surface of the toilet bowl 10, and can clean the toilet bowl 10 easily.

The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention.
(1) In the embodiment, a distributor is used to supply cleaning water, but a method of directly connecting a water pipe may be used.
(2) In the embodiment, the surface of the upper end of the toilet bowl is slightly inclined outward and upward, but may be inclined inward vertically or upward.
(3) In the embodiment, one spout is provided at the left rear end of the toilet bowl, but a plurality of spouts may be provided.
(4) In the examples, the washing type is used, but the washing type is not necessary.
(5) In the embodiment, the radius of curvature of the left and right ends of the toilet bowl is increased without increasing the left and right width of the toilet bowl, but the left and right width of the toilet bowl may be increased.
(6) In the embodiment, the opening of the drainage channel is opened downward, but may be opened backward.

10 ... toilet bowl 13 ... first standing wall (standing wall)
DESCRIPTION OF SYMBOLS 14 ... Intermediate | middle wall part 23 ... Connection part 23A ... Curved surface 24 ... Front side area | region 25 ... Middle point of arc

Claims (3)

A standing wall that forms a surface extending in the vertical direction at the upper end,
Continuing from the lower end of the standing wall, a curved surface is formed so that the surface protrudes outward, the lower end extends inward, and the curvature radius in the vertical direction of the curved surface is maximum at the left and right center of the front region. A connecting portion that gradually decreases toward the left and right sides;
A toilet bowl comprising a toilet bowl having an intermediate wall portion that is continuous with a lower end of the connecting portion and forms a surface inclined inward.   The toilet according to claim 1, wherein the midpoint of the arc in the vertical direction of the curved surface is lowest at the left and right center of the front region of the toilet bowl.   The toilet according to claim 1 or 2, wherein a surface of the upper end portion is inclined outward in a vertical or upward direction.

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