JPH077424Y2 - Siphon toilet - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a siphon-type toilet bowl.

(Prior Art) Conventionally, as a siphon-type toilet bowl, an ordinary siphon-type, siphon-jet type, or siphon-vortex-type toilet bowl is known.

As an example of this type of siphon toilet, as shown in FIG. 2, water in the tank is ejected from the water passages A and B through the jet holes C, and the dirty water in the toilet bowl D is siphoned from the trap portion E. And is led to the drainage port F.

Here, the trap section E includes a climbing section E ₁ and a flow conversion section E 1.
_2, has become a fall portion E ₃ Prefecture, upper part of the fall portion E ₃ is the flow path is narrowed by the partition wall G, water temporarily damming, full water flow conversion section E ₂ state flowing down the site It is supposed to be. After the water is full, the flow diversion section E ₂ is in a vacuum state due to the flow of water from the flow diversion section E ₂ to the drop section E ₃ , so that the water in the toilet bowl D rises at once in the uphill section E ₁ due to the siphon phenomenon. It is sucked up and discharged from the drainage port F.

Further, the drop portion E ₃ is provided with a projection H at a portion facing the partition wall G, and the water flowing down the drop portion E ₃ is swirled by the projection H, which further improves the damming effect. Has become.

(Problems to be solved by the invention) However, in the above-mentioned conventional siphon-type toilet bowl, the falling portion E ₃
Since the partition G and the protrusion H must be fitted on the upper part of the above, there is a drawback that dirt, paper, etc. are caught and cause clogging.

(Means for Solving the Problem) In order to solve the above-mentioned problems of the conventional technology, the siphon-type toilet bowl of the present invention is for guiding the water ejected from the jet hole to the drain port by utilizing the siphon phenomenon together with the dirt and the like. A siphon-type toilet provided with a trap part, wherein a notch part into which a part of the water flowing down enters is formed in a slant part of the trap part where the water falls, and a notch part is provided at the back side of the notch part. A bag-shaped hollow portion where dead water is a dead end is formed by communication.

(Operation) In the siphon-type toilet of the present invention, a part of the water flowing down the slanted part enters the hollow part through the cutout part, but the hollow part is a dead end, so there is no place to go, and therefore the cutout part is initiated. As a result, a vortex flow is generated that impedes the flow of water flowing down the slope, and the flow of water is temporarily dammed in the slope by such a vortex. When the water flows from the full state to the drain port due to the above, the trap part becomes a vacuum state and the water in the toilet bowl flows to the drain port at once due to the siphon phenomenon, and it is possible to reliably obtain the vacuum state necessary for the siphon phenomenon. It is possible and the filth discharge function is exhibited well.

(Embodiment) Next, an embodiment of the present invention will be described with reference to FIG.

The siphon toilet shown in the figure is an underfloor drainage type, and by supplying a washing bundle such as a flush valve (not shown), washing water is supplied from the water passage 1 into the toilet bowl 3 through the jet holes 2 and then into the toilet bowl 3. The supplied water is configured to be guided to the drain port 5 via the trap portion 4 by utilizing the siphon phenomenon.

The trap section 4 is composed of a streamer section 4a communicating with the inside of the toilet bowl 3, a downward flow conversion section 4b located above the streamer section 4a, and a gravity falling section 4c extending from the conversion section 4b to the drain port 5. There is.

Here, gravity portion 4c and the slant portion 4c ₁ extending obliquely downward from the conversion unit 4b, and a horizontal portion 4c ₂ extending substantially horizontally reaches the drain outlet 5 from the slant portion 4c _1. Also, the gravity falling part 4
c has substantially the same flow path cross-sectional area as that of the rising portion 4a over its entire length. First flowing water receiving wall 6 almost horizontal to the conversion unit 4b directly below the position of the slant portion 4c ₁ are formed, also slant portion 4c ₁
Second flowing water receiving wall 7 almost horizontally in the same manner is provided between the horizontal portion 4c _2.

Then, the wall portion 8 separating the climbing portion 4a and the gravity section 4c horizontally rectangular notch 9 is provided at a site corresponding to an intermediate portion of the Hasujo portion 4c _1, slant portion 4c ₁ is The cutout 9 communicates with the bag-shaped hollow 10 in the wall 8.

Next, the operation of the above embodiment will be described.

In the present embodiment, the water ejected from the water passage 1 through the jet holes 2 (including the cleaning water from the rim) rises in the run-up portion 4a of the trap portion 4 and the gravity falling portion 4c from the conversion portion 4b. Through the drainage outlet 5. Such a gravity falling part
In the flow-down process of 4c, a part of the water flowing down the slanted portion 4c ₁ enters into the hollow portion 10 of the wall portion 8 from the cutout portion 9, but since this hollow portion 10 is a dead end, there is no place to go,
Therefore, a vortex flow is generated which starts from the notch 9 and hinders the flow of water flowing down the slanted portion 4c ₁ . The flow in the gravity falling portion 4C is temporarily dammed in the slanted portion 4c ₁ by such an eddy current and the auxiliary action due to the collision with the first running water receiving wall 6 and the second running water receiving wall 7. 4b becomes full. After that, when water flows from the full state to the discharge port 5 due to gravity, the conversion portion 4b becomes a vacuum state, and the water in the toilet bowl 3 flows to the drain port 5 at once due to the siphon phenomenon.

In the above embodiment, the notch 9 has a horizontally long rectangular shape, but it may have another shape, for example, a circular shape,
Moreover, you may provide in multiple numbers.

(Effects of the Invention) The present invention is a siphon-type toilet provided with a trap part for guiding water ejected from a jet hole to a drainage port by utilizing a siphon phenomenon together with dirt and the like. A cutout portion into which a part of the flowing water enters is formed in the falling inclined portion, and a bag-shaped hollow portion in which the entered water becomes a dead end communicates with the back side of the cutout portion. Due to this, a part of the water flowing down the slanted part enters the hollow part from the cutout part, but since the hollow part is a dead end, there is no place to go, so the water flowing down the slanted part starting from the cutout part A vortex that impedes the flow occurs, and the flow of water is temporarily blocked by the vortex in the slanted part, and the trap part is fully filled, and then gravity causes water to drain from the full state to the drain port. leak Then, the trap part becomes a vacuum state and the water in the toilet bowl flows to the drain port at once due to the siphon phenomenon, so that the vacuum state necessary for the siphon phenomenon can be surely obtained.
Good sewage discharge function.

Moreover, since the temporary blocking of the water flow is performed by the vortex flow generated in the cutout portion, it is not necessary to narrow the flow passage area of the slanted portion of the trap portion, and the inner diameter of the trap portion can be sufficiently secured. Further, since the slanted portion has no protrusion, there is an advantage that clogging of dirt and the like can be eliminated.

[Brief description of drawings]

FIG. 1 is a vertical sectional view of a siphon toilet according to an embodiment of the present invention, and FIG. 2 is a vertical sectional view of a conventional siphon toilet. 3 ... Toilet bowl, 4 ... Trap part 4c ... Gravity drop part, 5 ... Drainage port 4c ₁ ... Sloping part 9 ... Notch part 10 ... Hollow part

Claims (1)

[Scope of utility model registration request] 1. A siphon-type toilet provided with a trap section 4 for guiding water ejected from a jet hole 2 to a drain port 5 by utilizing a siphon phenomenon together with dirt and the like. the slant portion 4c ₁ to fall, notch 9 which part of the water flowing down enters is formed on the inner side of the cutout portion 9, bag-shaped hollow portion 10 which has entered into water becomes dead end
The siphon-type toilet bowl is characterized by being formed to communicate with each other.