JPH0728228Y2 - Urinal rim water passage structure - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention is a urinal in which a rim water passage is provided with an inclined region, and a rim water passage that can eliminate cleaning unevenness and improve the cleaning effect. Regarding the structure.

[Conventional technology]

FIG. 3 shows a conventional urinal having an inclined region in the rim water passage. The urinal shown in the same figure was previously developed by the present applicant, and two water supply fitting connection ports 3 and 5 are formed at the upper end of the urinal body 1, and the former connection port 3 is The urinal body 1 is communicated with the sprayer chamber 2 formed in the upper rear portion, and the latter connection port 5 is communicated with the rim water passage 4 formed from the upper front side of the urinal body 1 to the front edge. In this example, the sprayer chamber 2 and the rim water passage 4 are independent of each other and are not in communication. If, for example, the sprayer chamber 2 and the rim water passage 4 are communicated with each other and the washing water is distributed and supplied from one water supply port to the sprayer chamber 2 and the rim water passage 4, the water supply pressure fluctuates. This is to prevent this because the distribution ratio of the cleaning water between the sprayer chamber 2 and the rim water passage 4 may change and cleaning unevenness may occur.

Further, in the urinal shown in the same figure, in order to prevent the problem that the wash water flowing into the rim water passage 4 immediately flows down to the lowermost portion and the wash water discharge amount in the slope area is insufficient, By forming a step portion 6 in the middle of the step and applying resistance to the wash water flowing in the rim water passage 4 at this step portion 6, the wash water is surely discharged from the washing hole 7 formed in the step portion 6. I have to.

[Problems to be solved by the device]

The cleaning hole 7 of the rim water passage 4 in the conventional urinal is
The central axis is set to be substantially parallel to the perpendicular to the floor. For this reason, although the flow rate of the wash water flowing in the rim water passage 4 is once reduced by the step portion 6, after being discharged from the wash hole 7, the wash water flows down almost vertically in the toilet bowl inner surface 8. As a result, each cleaning hole 7,
Since the cleaning water discharged from 7 ... can only clean the narrow striped area indicated by the crossing line surrounded by the chain line in Fig. 3, an uncleaned portion remains between the respective striped cleaning areas. However, there is a problem that the cleaning of the inner surface 8 of the toilet bowl is caused.

[Means for Solving the Problems]

The present invention has been made in view of the above-mentioned drawbacks of conventional urinals, and an object thereof is to eliminate the drawbacks, and to diffuse cleaning water discharged from the cleaning hole of the rim water passage over a wide range, thereby causing cleaning unevenness. The purpose is to provide a rim water passage structure that is unlikely to occur.

Thus, the feature of the rim water passage structure adopted by the present invention to achieve the above-mentioned object is that the urinal has a cleaning hole for discharging cleaning water to the standing wall area on the inner surface of the toilet bowl in the upper part of the main body. In a urinal in which a rim water passage is provided from the upper part of the main body to the front edge and a step is formed in the inclined region of the rim water passage, a washing hole is formed at an upstream position near the step in the rim water passage wall. That is, the discharge direction of the washing water from the washing hole is set within the angle range of 45 degrees downward with respect to the horizontal direction and along the inner surface of the toilet bowl.

[Action]

The washing water supplied to the rim water passage receives resistance from the step formed in the middle of the inclined region to reduce the flow velocity and change the flow direction, and then within 45 degrees below the horizontal direction from the washing hole. It is discharged in the angle range and in the direction along the inner surface of the toilet bowl. Therefore, the wash water flows toward the standing wall region while diffusing over a wide area on the inner surface of the toilet bowl. Therefore, since the washable area of the wash water discharged from the wash hole of the rim water passage is wide, there is no possibility of causing washing unevenness.

In addition, the standing wall area on the inner surface of the toilet bowl where dirt easily adheres is subjected to double cleaning with cleaning water discharged from the cleaning hole in the upper part of the urinal body and cleaning water discharged from the cleaning hole of the rim water passage. Therefore, the effect of cleaning dirt is high.

〔Example〕

The details of the present invention will be described below with reference to FIGS. 1 and 2 showing an embodiment. In the drawings, the same reference numerals as those used in FIG. 3 showing the conventional example indicate the same members or structures.

FIG. 1 is a vertical sectional side view of a urinal according to an embodiment of the present invention, and FIG. 2 is a horizontal sectional plan view of the urinal. In the urinal, a sprayer chamber 2 is provided in the upper rear part of the urinal body 1, and a rim water passage 4 is formed independently of the sprayer chamber 2 from the upper front side to the front edge portion of the main body 1. . On the bottom wall of the sprayer chamber 2, a cleaning hole 10 for discharging cleaning water to the standing wall region 8a is formed at a position in contact with the inner surface 8 of the toilet bowl. On the other hand, the rim water passage 4 has an inclined region in the middle thereof, and a step portion 6 which gives flow resistance to the washing water is formed in the inclined region, and the rim water passage wall immediately upstream of the step portion 6 is washed. A hole 9 is provided.

As shown in FIG. 1, the cleaning hole 9 of the rim water passage 4 is formed so that the central axis b has an inclination angle α in the range of 0 to 45 degrees with respect to the horizontal line a. Thus, the discharge direction of the wash water is set to fall within the angle range of 45 degrees below the horizontal direction. The reason for limiting the discharge direction of the cleaning water from the cleaning hole 9 to an angle range within 45 degrees below the horizontal direction is that when the cleaning water discharge direction is an upward slope direction above the horizontal line, This is because the flow force of No. 3 rapidly decreases immediately after discharge, and the diffusion range of wash water is narrowed. Further, when the discharge direction is larger than 45 degrees obliquely downward, the speed at which the wash water flows down on the inner surface 8 of the toilet bowl increases, and it tends to flow in a narrow streak shape.

At the same time, the cleaning hole 9 is formed so that the direction of discharge of the cleaning water is along the inner surface 8 of the toilet bowl, as shown in FIG. As a result, the cleaning water discharged from the cleaning hole 9 can flow while diffusing until reaching the standing wall region 8a of the inner surface 8 of the toilet bowl.

In the rim water passage structure configured as described above, when the wash water is supplied to the rim water passage 4, the wash water collides with the step portion 6 formed in the inclined region on the way to reduce the flow velocity and flow. The direction is changed and the ink is discharged from the cleaning hole 9. At this time, since the discharge angle and the discharge direction of the wash water are set within 45 degrees below the horizontal direction as described above and along the inner surface 8 of the toilet bowl, the wash water is Diffuse into a wide range indicated by a crossing line surrounded by a chain line and flow down the inner surface 8 of the toilet bowl. As a result, the wash water discharged from the rim water passage 4 can be surely washed without leaving the entire lateral region of the inner surface 8 of the toilet bowl.

On the other hand, a part of the standing wall region 8a on the back side and both side regions of the inner surface 8 of the toilet bowl is washed mainly by the washing water discharged from the washing hole 10 provided at the rear portion of the bottom wall of the sprayer chamber 2. However, in the present invention, since the washable area of the wash water discharged from the wash hole 9 of the rim water passage 4 is set to the above-described discharge angle and discharge direction, the standing wall area 8a of the inner surface 8 of the toilet bowl is set. Has reached. Therefore, in the present invention, the cleaning water discharged from the cleaning hole 10 above the urinal body 1 and the cleaning water discharged from the cleaning hole 9 of the rim water passage 4 are applied to the standing wall region 8a where dirt easily adheres. Since both of them can exert a double cleaning action, they exhibit an excellent cleaning effect.

The embodiment of the present invention is not limited to the above,
For example, the type, shape, size, and structure of the urinal body to which the present invention is applied can be appropriately selected, and various changes depending on the implementation situation are not hindered.

[Effect of device]

As is clear from the above description, in the present invention, the wash water is discharged at the predetermined inclination angle and the predetermined direction on the upstream side of the step provided in the inclined region in the rim water passage. Since the cleaning hole is provided as described above, the cleaning water supplied to the rim water passage is decelerated or changed in the flow direction by the flow resistance due to the step portion, and then discharged from the cleaning hole to the inner surface of the toilet bowl. The cleaning hole has a lower discharge angle than the horizontal direction.
Since it is formed within 45 degrees and the discharge direction is along the inner surface of the toilet bowl, the cleaning water discharged from the cleaning hole flows down over the inner surface of the toilet bowl while spreading over a wide area. Therefore, there is no possibility of causing cleaning unevenness in the lateral region of the inner surface of the toilet bowl as in the conventional case.

Moreover, in the present invention, the washable region of the wash water discharged from the rim water passage reaches the standing wall region of the inner surface of the toilet bowl. That is, according to the present invention, not only can the cleaning water be spread all over the inner surface of the toilet bowl, but also the cleaning water discharged from the cleaning hole of the rim water passage to the standing wall area of the toilet bowl where dirt easily adheres. Since the double cleaning can be performed with the cleaning water discharged from the cleaning hole in the upper part of the urinal body, the effect of high cleaning performance of dirt is exhibited.

[Brief description of drawings]

1 and 2 relate to one embodiment of the present invention, and FIG. 1 is a vertical cross-sectional side view of a urinal to which the present invention is applied,
FIG. 2 is a cross-sectional plan view of the urinal. FIG. 3 is a vertical sectional side view showing a conventional urinal previously developed by the applicant. 1 ... Urinal body, 2 ... Sprayer room, 4 ... Rim water passage, 6 ... Step, 8 ... Toilet bowl inner surface, 8a ... Standing wall area,
9 …… Rim water passage cleaning hole, 10 …… Washing hole in the upper part of the urinal body, a …… Horizontal line, b …… Center axis of the cleaning hole, α ……
Cleaning water discharge angle

Claims (1)

[Scope of utility model registration request] 1. A urinal has a cleaning hole for discharging cleaning water to a standing wall region on an inner surface of a toilet bowl, and a rim water passage is provided from an upper portion of the main body to a front edge portion, and an inclined region of the rim water passage. In a urinal with a step formed in the urine, a washing hole is formed at an upstream position in the vicinity of the step on the rim water passage wall, and the washing hole has a discharge direction of the washing water within 45 degrees below the horizontal direction. The rim water passage structure of the urinal, which is set so as to be in the angle range and along the inner surface of the toilet bowl.