JP2022066578A5 - - Google Patents

Claims (13)

It is a flush toilet equipped with a toilet body,
The toilet body is
A pot-shaped filth receiving surface and a toilet bowl portion having a water reservoir portion that is recessed downward from the lower end edge of the filth receiving surface.
Toilet bowl drainage channel connected to the bottom of the toilet bowl
A first swirling flow as a main flow toward the rear of the first lateral region on one of the left and right sides of the toilet bowl portion by discharging washing water into the toilet bowl portion toward one side in the circumferential direction from the first water discharge hole. The first water spouting part that forms
A second spouting hole formed in the rear part of the first lateral region, and a second spouting portion in the toilet bowl portion for discharging wash water from the second spouting hole toward one side in the circumferential direction. , Equipped with
The second water discharge portion forms a first water flow that merges with the first swirling flow by the washing water discharged from the second water discharge hole.
The first swirling flow merges with the first water flow from the side in the flow direction of the first water flow.
A flush toilet that forms a main stream that flows into the reservoir from the rear by merging with the first swirl flow. The second water discharge portion is a second lateral region on the left and right sides of the toilet bowl portion via the filth receiving surface behind the water reservoir portion by the washing water discharged from the second water discharge hole. Form a second swirl flow forward,
The first aspect of claim 1, wherein the main flow formed by merging the first swirl flow and the first water flow is formed at a place closer to the second swirl flow than a place where the first water flow was flowing. Washing toilet bowl. The water wash size according to claim 1 or 2, wherein the main flow formed by merging the first swirl flow and the first water flow is the flow having the largest flow rate among the flows formed on the filth receiving surface. Toilet bowl. The flush toilet according to any one of claims 1 to 3, wherein the main stream formed by merging the first swirl flow and the first water stream flows into the rear portion of the water reservoir. The second water discharge unit has a second water passage for supplying washing water to the second water discharge hole.
A folded portion is formed in the second waterway, and a folded portion is formed.
The flush toilet according to any one of claims 1 to 4, wherein the second water discharge hole discharges wash water diagonally backward. The flush toilet according to claim 5, wherein the second water discharge hole discharges wash water over a wide angle. The second water discharge hole is claimed to form the first water flow and the second swirling flow via the filth receiving surface behind the first water flow by discharging the washing water over the wide angle range. Item 6. The flush toilet according to item 6. The flush toilet according to claim 5, wherein the second water passage is formed only by the toilet body. The second water discharge portion is a second lateral region on the left and right sides of the toilet bowl portion via the filth receiving surface behind the reservoir portion by the washing water discharged from the second water discharge hole. The water-washing toilet according to any one of claims 1 to 7, which forms a second swirling flow that is a mainstream toward the front. The flush toilet according to any one of claims 1 to 9, wherein the position of the upper end of the first swirl flow is the highest in the front end portion of the first lateral region. The toilet bowl portion includes a first headrace for guiding the first swirling flow as the mainstream so as to swirl.
One of claims 1 to 10, wherein the first headrace includes a concave curved bottom surface extending radially outward of the toilet bowl portion and a concave curved side surface extending upward from the outer peripheral end of the bottom surface. Washing toilet bowl described in. The toilet bowl portion is formed on the inner peripheral surface of the toilet bowl portion in the first lateral region behind the front end of the water reservoir portion, and can guide the first swirling flow that has collided with itself to the rear. Has a face,
A second headrace for guiding the washing water discharged from the second water discharge hole to swirl is provided.
The flush toilet according to any one of claims 1 to 11, wherein the second headrace is not provided with a surface capable of colliding with the wash water while swirling the wash water. The toilet bowl portion is formed on the inner peripheral surface of the toilet bowl portion in the first lateral region behind the front end of the water reservoir portion, and can guide the first swirling flow that has collided with itself to the rear. Has a face,
The guide surface is connected to an adjacent portion of the inner peripheral surface portion of the toilet bowl portion from the first water discharge hole to the guide surface via a bent portion that is concave outward in the radial direction.
The flush toilet according to any one of claims 1 to 12, wherein the guide surface is a flat surface in a plan view.