JPH0312868Y2 - - Google Patents

Description

[Detailed Description of the Invention] Technical Field The present invention relates to a flush toilet device, and more particularly to a flush water jetting nozzle that can clean dirt on the inner surface of a flush toilet bowl with a small amount of flush water.

BACKGROUND OF THE INVENTION Conventionally, water-saving toilet devices have been widely used, for example, in which a relatively small amount of wash water of about 200 to 500 c.c. is supplied from a water supply pipe to wash away filth adhering to the inner surface of the toilet bowl.

In the conventional flushing water jetting nozzle for the toilet bowl in this type of toilet device, for example, as described in Japanese Utility Model Publication No. 50-44655, in which a current plate is provided in front of the spout, the cleaning water spouted from the spout is As the amount of water decreases, it becomes difficult for the water to flow to the front of the inner surface of the toilet bowl, and there is a drawback that dirt adhering to the toilet bowl cannot be completely washed away.

Therefore, in such a toilet device, the flow channel of the toilet must be gradually reduced from the base to the front in order to spray flush water over the entire inner surface of the toilet.

In addition, as described in Japanese Utility Model Publication No. 11408/1983, the front end of the cylinder of the water supply nozzle is closed, and a barrier is provided close to the front end to close approximately the lower half of the cylinder. In the case where a slit-shaped nozzle hole opening in the circumferential direction and a nozzle hole opening in both directions are provided, the cleaning water crosses the barrier, that is, after the flow is curved upward by the barrier,
Since it collides with the front end of the cylindrical body, the force of the jet of cleaning water is weakened, and the cleaning water that is jetted out from the slit-shaped nozzle hole and the nozzle holes on both sides of the cylindrical body are jetted sideways to clean the inner surface of the peripheral wall of the toilet bowl. It is difficult to maintain a balance in the flow rate and speed of the flushing water, and one side becomes larger than the other, making it difficult to properly wash away dirt from the entire inner surface of the toilet bowl.

Purpose of the invention The present invention solves the above-mentioned drawbacks and provides a flush toilet device that can effectively wash away dirt on the inner surface of the flush toilet bowl with a small amount of water.

Structure of the invention Next, an embodiment of the invention will be described based on the drawings.

In Fig. 1, 1 is a washing water tank, and a water inlet 2 is provided at the bottom, and the water inlet 2 is connected to a lever 4.
The rotation of the sealing valve 3 moves the sealing valve 3 up and down so that it can be opened and closed.

5 is a water supply pipe from the wash water tank 1, one end of which is communicated with the water inlet 2. The water supply pipe 5 may be formed by connecting a plurality of pipe bodies.

As shown in detail in FIGS. 2 to 5, 6 is a flush water nozzle consisting of a water discharge conduit 61 and a water discharge head 69, and is provided above the rear of the inner surface 71 of the toilet bowl 7. A slit-shaped water spout 64 formed by a jaw portion 62 and a front hanging wall 63 is opened downward and to both sides at the tip of the water spouting conduit 61. The spout 64 faces into the inner surface 71 and a flow channel 73 provided on the upper periphery of the inner surface 71 of the toilet bowl 7 . A water discharge conduit 61 is inserted through a through hole 74 provided at the rear base of the toilet bowl 7, and one end of the water discharge conduit 61 is connected to one end of the water supply pipe 5 on the flush water tank 1 side. The curvature α of the curved surface of the front hanging wall is adjusted so that the gap between the downward slit holes 65 of the water spout 64 is narrow at the center and widened at both ends.
is a flow path 7 formed in the circumferential direction of the rear upper edge of the toilet bowl.
3, and the ratio β/α is preferably 0.5 to 1.0.

That is, the radius of curvature R ₁ of the curved surface of the front hanging wall 63 and the flow path 73 formed in the circumferential direction of the rear upper edge of the toilet bowl 7
The radius of curvature R ₂ means that each curvature α is 1/R ₁
Since the curvature β is 1/R ₂ , it is desirable that the ratio R ₁ /R ₂ as the radius of curvature is 0.5 to 1.0. If the ratio R ₁ /R ₂ is less than 1/2,
Most of the flushing water falls downward without making much contact with the inner surface of the toilet bowl and cannot be used effectively for flushing. Also, if the ratio R ₁ /R ₂ is greater than 1, most of the flushing water After colliding with the inner surface of the toilet bowl near the spout 64 of the flushing water nozzle 6, it falls downward, and the flushing water cannot be used effectively for cleaning the inner surface of the toilet bowl.

The inclination angle θ ₁ of the front hanging wall 63 with respect to the horizontal plane is the inclination angle θ ₂ of the rear upper wall of the toilet bowl 7 with respect to the horizontal plane.
and by doing so,
Cleaning water jetted from the nozzle flows almost along the inner surface of the toilet bowl.

The flush water nozzle 6 is inserted into the gasket 1 from the inside of the toilet bowl 7.
3, the water discharge conduit 61 of the cleaning water nozzle 6 is inserted into the through hole 74, and the screw 68 of the cleaning water nozzle 6 is screwed into the through hole 74 with the nut 14.

Reference numeral 8 is a closing lid provided on the defecation opening 72 of the toilet bowl 7, and 12 is a weight for normally rotating the closing lid 8 upward to close the defecation opening 72. 10 is a toilet bowl receptacle, and 11 is a defecation pipe.

Function: In use, the lever 4 of the wash water tank 1 is rotated to raise the sealing valve 3 and open the water inlet 2.
The cleaning water in the cleaning water tank 1 flows down the water supply pipe 5 and into the cleaning water nozzle 6. The cleaning water that has flowed into the cleaning water nozzle 6 is spouted out from the downward slit hole 65 and the slit holes 66 and 67 on both sides, respectively.
The inner surface of the toilet bowl 7 is cleaned.

Effects Since the present invention has the above-mentioned configuration, the washing water is uniformly jetted downward and on both sides from the slit-shaped spout of the washing water nozzle, and is sprayed vigorously to the front of the inner surface of the toilet bowl. The filth can be completely flushed out to the defecation opening.

Further, since there is no barrier in the water discharge conduit that obstructs the flow of the cleaning water, the force of the cleaning water does not weaken, and the cleaning water nozzle has a simple structure and can be manufactured easily.

[Brief explanation of the drawing]

Fig. 1 is a partially cutaway sectional view showing an embodiment of the present invention, Fig. 2 is an enlarged sectional view of the main part of Fig. 1, and Fig. 3 is a partially cutaway sectional view showing an embodiment of the present invention.
The figure is a perspective view of the washing water nozzle in Figure 2, and
The figure is a cross-sectional view taken from the - arrow direction in Figure 3, and Figure 5 is a cross-sectional view taken from the - arrow direction in Figure 3.
FIG. 6 is a bottom view of the flush water nozzle seen from below, and FIG. 6 is a top view of the toilet bowl. Description of symbols, 6...Washing water nozzle, 61...Water discharge conduit, 62...Jaw, 63...Front hanging wall, 64...
...Water outlet, 65...Downward slit hole, 69...
Spout head.

Claims (1)

[Scope of Claim for Utility Model Registration] 1. A flushing water nozzle is provided above the rear of the inner surface of the toilet bowl, and the nozzle has a slit-shaped spout formed by a jaw provided at the tip of a discharge conduit and a front hanging wall. , a flush toilet device in which the spout is opened downward and on both sides, and the front hanging wall is curved to widen the slit width on both sides. 2. The flush toilet device according to claim 1, wherein the curvature of the curved surface of the front hanging wall is greater than the curvature of the flow path formed in the circumferential direction of the rear upper edge of the toilet bowl. 3. The flush toilet device according to claims 1 and 2, wherein the front hanging wall has a slope greater than the slope of the rear upper wall of the toilet bowl relative to the horizontal plane.