JPH11247268A - Western stool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a western stool in which the cleaning property of a bowl surface upper end part is improved so as to make it hardly dirty, dew condensation on a conduit side surface part is prevented, the bowl surface opening part can be extended to improve the convenience in man urination, the probability of blocking of a water-jet hole by a foreign matter can be reduced, the water-jet surface is easy to see so that the state of the surface having the water-jet port is easily confirmable, removal of a foreign matter is facilitated in the blocking of the spray hole by the foreign matter, and integral molding can be performed to improve the manufacturing property. SOLUTION: A bowl part rear upper end part has a separate bowl surface flushing water discharge part 20, a bowl surface 1 is formed of a curved surface having a curvature radius forming a continuous flow from the opening part of the bowl part to a stored water side having a stored water level 6. The separate bowl surface flushing water discharge part 20 has a horizontal discharge port and a vertical discharge port, a bowl surface flushing water laid along the horizontal curved surface of the bowl part is discharged from the horizontal discharge port, and a bowl surface flushing water laid along the vertical curved surface of the bowl part is discharged from the vertical discharge port in a flow rate smaller than the horizontal discharge port.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a Western-style toilet bowl for cleaning a bowl portion by using bowl surface cleaning water flowing from the upper end of the bowl portion toward the reservoir and jet cleaning water flowing toward the trap entrance at the lower end of the bowl portion.

[0002]

2. Description of the Related Art FIG.
FIG. 0 shows the configuration of a conventional Western style toilet. There is a water conduit 3 having 10 to 30 water injection holes 2 having a diameter of 2 to 8 mm adhered to the upper end of the entire inner surface of the bowl surface 1. The diameter of the water hole 2 and the direction of water discharge are changed depending on the interval between the water holes 2 and the position of the water conduit. In addition, the headrace 3
Has a certain lateral width a. The bowl surface 1 communicates with a trap 5 through a suction port 4.

Accordingly, the bowl surface 1 can be washed evenly by discharging water from the water spray holes 2 provided at appropriate intervals to wash the inner surface of the bowl surface 1, thereby cleaning dirt attached to the bowl surface 1. It becomes possible. Further, the water is disturbed from the water injection hole 2 to give the swirl to the water storage surface 6 by the water discharge, and the position of the low specific gravity contaminants floating on the water storage surface 6 is a suction port which is a region where the suction power by the siphon is strong from the water storage surface 6. Lead to 4. In addition, the headrace 3
Has a width a, so that the support leg 40 of the toilet seat 7 installed on the upper surface of the water conduit 3 at the time of excretion of stool is stably held.

[0004]

The water hole of a conventional Western-style toilet bowl is located at a location where it is impossible or difficult to see from a position facing the toilet, so that the surface with the water hole or The bowl surface near the water injection hole surface has poor cleaning properties, it is difficult to check whether dirt has been removed even after cleaning, and the generation and progress of dirt cannot be checked.

[0005] In addition, there are many places where scale water adheres to the bowl surface due to dripping of residual water in the water channel remaining after the bowl washing, and dew condensation occurs on the side surface of the water channel due to a temperature difference between the room and the room.

Further, since it is difficult to integrally form the water channel and the bowl surface, it is necessary to separately prepare and bond the water channel and the bowl surface. Also, before bonding, it is necessary to make 10 to 30 water injection holes in the completed water channel, so that a very large number of steps must be taken.

Further, the opening on the bowl surface through which urine can flow down during men's urination is narrowed by the width of the water channel, making it inconvenient to use when urinating, and the urine is extremely hit against the upper surface of the water channel in front of the bowl surface. Prone to unsanitary.

Further, since there are a large number of water injection holes, there is a high probability that the water injection holes will be blocked by the foreign matter and scale from the upstream side of the headrace channel and become unable to discharge water. Difficult because it is difficult.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to improve the cleaning performance of the upper end portion of the bowl surface, to make it less likely to become dirty, and to form a dew condensation on the side surface of the headrace. It does not occur, and the bowl surface opening can be widened to improve the ease of use when using it for boys, the probability of foreign matter clogging of the water injection hole can be reduced, and the surface of the water injection hole is made easier to see, and the state of the surface with the water injection hole It is an object of the present invention to provide a Western-style toilet bowl which makes it easy to check the water content, makes it easier to remove foreign matter when the water hole becomes clogged with foreign matter, and improves the manufacturability because integral molding becomes possible.

[0010]

Means for Solving the Problems and Actions / Effects To achieve the above object, a Western-style toilet according to the present invention comprises a bowl-surface washing water flowing from the upper end of the bowl toward the reservoir and a lower end of the bowl. In a Western-style toilet flushing a bowl portion with jet cleaning water toward a trap entrance, bowl surface flush water along a horizontal curved surface of the bowl portion is discharged to a rear upper end and / or a front upper end of the bowl portion. And a vertical discharge hole for discharging ball surface cleaning water along a vertical curved surface of the bowl portion with a smaller flow rate than the horizontal discharge hole and a bowl surface cleaning water discharge portion. Features.

According to the Western-style toilet of the present invention, the bowl surface washing water discharge portion provided at the rear upper end portion and / or the front upper end portion of the bowl portion extends from the horizontal discharge hole along the horizontal curved surface of the bowl portion. And discharges the bowl surface cleaning water from the vertical discharge holes at a smaller flow rate than the horizontal discharge holes along the vertical curved surface of the bowl portion. Therefore,
The bowl surface cleaning water discharged from the horizontal discharge hole of the bowl surface cleaning water discharge portion cleans a horizontal curved surface inside the bowl so as to pivot the upper end of the bowl portion, and the bowl surface cleaning water from the vertical discharge hole is The lower vertical curved surface is cleaned from the upper end of the bowl to which the bowl surface cleaning water discharge section is attached.

Therefore, it is possible to wash the bowl surface and to eliminate the pipe-shaped water channel, which is a conventional channel of the cleaning water, and the water spray hole formed in the bottom surface of the water channel. The number of places where scale is attached to the bowl surface due to water dripping can be reduced, and the number of foreign water holes, such as horizontal discharge holes and vertical water discharge holes, can be reduced due to the smaller number of holes than conventional water discharge holes. Also, since there is no water channel, no dew condensation occurs on the side surface of the water channel due to a temperature difference with the room, and a bowl surface washing discharge section is provided at the front upper end to remove the water in the bowl section, that is, the dry surface. Is washed with strong water, and the washing efficiency is increased.

According to a second aspect of the present invention, the upper end of the bowl portion has a curved surface having a continuous flow of the bowl surface washing water discharged from the horizontal discharge hole toward the reservoir from the opening of the bowl portion. It is characterized by comprising. According to the Western-style toilet of the present invention, since the upper end of the bowl portion is formed by a curved surface having a continuous curvature from the opening of the bowl portion toward the reservoir, the bowl surface discharged from the horizontal discharge hole is cleaned. The water is a continuous flow from the opening of the bowl toward the pool. Therefore, the cleanability of the upper end portion of the bowl portion is improved, and it is easy to confirm the removal of dirt after cleaning, and it is possible to confirm the generation and progress of dirt, so that the dirt is less likely to become dirty. In addition, the toilet bowl can be formed integrally, and the opening on the bowl surface can be widened, so that the usability when the boy is small can be improved.

According to a third aspect of the present invention, the opening of the bowl portion has a mounting surface on which the support leg is mounted at least at a position suitable for the support leg on the bottom surface of the toilet seat. According to the Western-style toilet of the present invention, since the mounting surface is provided at least at a position corresponding to the support leg on the bottom surface of the toilet seat in the opening of the bowl portion, the support leg can be mounted. Therefore, the toilet seat can be installed at the upper end of the bowl during excretion of stool, the cleanability of the upper end of the bowl is improved, and it is easy to confirm the removal of dirt after cleaning. And it's hard to get dirty because you can check the progress. In addition, the opening on the bowl surface can be widened, and the usability for small boys can be improved.

According to a fourth aspect of the present invention, the bowl portion has a step portion for guiding the bowl surface washing water discharged from the horizontal discharge hole in a horizontal direction. According to the Western-style toilet of the present invention, the step portion of the bowl portion guides the bowl surface washing water discharged from the horizontal discharge hole in the horizontal direction. Therefore, since the bowl surface cleaning water is guided in the horizontal direction by the step portion, the bowl surface cleaning water is not easily affected by the gradient of the bowl surface, so that the position of the horizontal discharge hole can be set anywhere in the upper end portion of the bowl portion. The bowl surface can be cleaned, and the degree of freedom of the installation position of the horizontal discharge hole is improved. Also, in addition to the horizontal and vertical discharge holes, the step allows the flow of wash water on the bowl surface to be controlled,
The degree of freedom in designing the horizontal discharge holes and the vertical discharge holes is also improved.

According to a fifth aspect of the present invention, the bowl surface cleaning water discharge portion is attached to a rear upper end of the bowl portion, and discharges the bowl surface cleaning water along one horizontal curved surface of the bowl portion. A rear bowl surface cleaning water discharge portion having a hole and a vertical discharge hole for discharging ball surface cleaning water along a vertical curved surface of the bowl portion at a lower flow rate than the one horizontal discharge hole; A front bowl surface wash water discharge portion attached to an upper end portion and having a same horizontal discharge hole for discharging bowl surface wash water in the same direction as one horizontal discharge hole of the rear bowl surface wash water discharge portion. And According to the Western-style toilet of the present invention, the bowl surface cleaning water along one horizontal curved surface of the bowl portion is discharged from one horizontal discharge hole of the rear bowl surface cleaning water discharge portion attached to the rear upper end of the bowl portion. It discharges the ball surface cleaning water along the vertical curved surface of the bowl with a smaller flow rate than the vertical discharge hole and the one horizontal discharge hole. Further, the bowl surface is cleaned in the same direction as the water discharged from one of the horizontal discharge holes of the rear bowl surface cleaning water discharge portion from the horizontal discharge hole of the front bowl surface cleaning water discharge portion attached to the front upper end of the bowl portion. Spout water. Therefore, since the swirl is given to the pool surface in the bowl surface and the water level at the center of the pool surface is lowered, low-specific gravity contaminants that easily float on the water surface can be quickly submerged in the water, and the cleaning efficiency of the low-specific gravity contaminants is improved. improves. In addition, the horizontal discharge hole and the vertical discharge hole, while the horizontal discharge hole and the vertical discharge hole,
Each of the holes may be configured as an independent hole or a continuous hole. In the case of independent holes, it is easy to design the relationship between the flow rates. In the case where continuous holes are formed, it is effective against clogging, and the production is simplified.

[0017]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention will be described below with reference to the drawings. FIG. 1 is a schematic view of a Western-style toilet showing an embodiment according to the present invention. The Western-style toilet shown in FIG. 1 is provided with a separate bowl surface washing water discharge section 20 at the rear upper end of the bowl section, and the bowl surface 1 is continuous from the opening of the bowl section toward the pool water side with the pool surface 6. It is constituted by a curved surface having a curvature as a flow. FIG. 2A is an enlarged view of the separate bowl surface cleaning water discharge unit 20 shown in FIG. The separate bowl surface cleaning water discharge section 20 has a horizontal discharge hole 21 and a vertical water discharge hole 22.

In FIG. 1, a separate bowl surface cleaning water discharge unit 20 discharges bowl surface cleaning water along a horizontal curved surface of a bowl portion from a horizontal discharge hole 21 and a horizontal discharge hole 22 from a vertical discharge hole 22. Bowl surface washing water is discharged at a flow rate smaller than 21 and along a vertical curved surface of the bowl portion. Therefore, the horizontal discharge holes 21 of the bowl surface cleaning water discharge section 20
The bowl surface cleaning water discharged from the inside of the bowl cleans the horizontal curved surface inside the bowl so as to swivel the upper end of the bowl portion, and the bowl surface cleaning water discharge section 20 attaches the bowl surface cleaning water from the vertical discharge hole 22. The lower vertical curved surface is cleaned from the upper end of the bowl portion.

Therefore, in the present embodiment, it is possible to eliminate the pipe-shaped water conduit which is a conventional bowl surface washing water passage and the water injection hole formed in the bottom surface thereof, and to improve the cleaning performance of the upper end portion of the bowl surface. In addition, it is possible to reduce the number of places where water is deposited on the bowl surface 1 due to dripping of residual water in the headrace channel, and it is possible to widen the opening of the bowl surface, so that it is easy to use for men. In addition, since the number is smaller than that of the conventional water discharge holes, the probability of clogging of water discharge holes such as the horizontal discharge holes 21 and the vertical water discharge holes 22 can be reduced, and the horizontal discharge holes 21 and the vertical water discharge holes 22 can be reduced. Facilitates checking the condition of the surface with water holes, etc., and facilitates the removal of foreign matter when clogged by foreign matter.In addition, because there is no water passage, dew condensation on the side of the water passage due to temperature difference from the room Does not cause Production is improved enables integral molding.

As shown in FIG. 2B, the horizontal discharge holes 21 and the vertical discharge holes 22 of the bowl surface cleaning water discharge section 20 may be communicated with each other. When the bowl surface cleaning water discharge section 20 is arranged at the front upper end of the bowl surface 1 as shown in FIG. 5, the bowl surface cleaning water immediately after discharging a large part of the bowl surface 1 is dried. The cleaning efficiency of the bowl surface 1 is improved.

The Western-style toilet shown in FIG. 6 is attached to the rear upper end of the bowl portion, and discharges bowl surface washing water along one horizontal curved surface of the bowl portion.
And a vertical discharge hole 22 for discharging ball surface cleaning water along a vertical curved surface of the bowl portion at a flow rate smaller than that of the one horizontal discharge hole 27, and a rear bowl surface cleaning water discharge portion 25 having
A front bowl surface cleaning device having an isotropic horizontal discharge hole 28 attached to a front upper end portion of the bowl portion for discharging bowl surface cleaning water in the same direction as one horizontal discharge hole 27 of the rear bowl surface cleaning water discharge portion 25. And a water discharging unit 26.

According to the Western-style toilet of this embodiment, one of the horizontal discharge holes 27 of the rear bowl surface washing water discharge portion 25 attached to the rear upper end of the bowl portion extends along one horizontal curved surface of the bowl portion. And discharges the ball surface cleaning water along the vertical curved surface of the bowl portion at a flow rate smaller than that of the horizontal discharge holes 27 through the vertical discharge holes 22. In addition, the same direction as the water discharged from one horizontal discharge hole 27 of the rear bowl surface cleaning water discharge portion 25 through the same horizontal discharge hole 28 of the front bowl surface cleaning water discharge portion 26 attached to the front upper end portion of the bowl portion. Spout the bowl surface wash water.

Therefore, since the water is swirled on the water surface 6 in the bowl surface 1 and the water level at the center of the water surface 6 is lowered, low-specific-gravity contaminants that easily float on the water surface can be quickly submerged in the water. The cleaning efficiency of specific gravity waste is improved.

FIG. 3 shows an embodiment having a bowl surface cleaning water discharge section 30 integrated with the rear upper end of the bowl section. 4 (a) and 4 (b) are enlarged cross-sectional views of the integrated bowl surface cleaning water discharge section 30 in FIG. As in the case of the separate body, the integrated bowl surface washing water discharge part 30 is provided with the horizontal discharge hole 21.
And a vertical discharge hole 22. In the case of the present embodiment, since a part of the upper end of the bowl forms the bowl surface cleaning water discharge section 30, the degree of freedom in design is improved.

Next, FIG. 7 shows a Western style toilet having a step portion 50 in the bowl portion in FIG. According to the Western-style toilet of the present embodiment, the bowl portion step 50 guides the bowl surface cleaning water discharged from the horizontal discharge hole 21 of the bowl cleaning water discharge section 20 in the horizontal direction.

Therefore, since the bowl surface cleaning water is guided in the horizontal direction by the step portion 50, the bowl surface cleaning water is hardly affected by the gradient of the bowl surface 1, so that the position of the horizontal discharge hole 21 is set at the upper end of the bowl portion. The bowl surface 1 can be washed no matter where it is installed, and the degree of freedom of the installation position of the horizontal discharge hole 21 is improved. Further, in addition to the horizontal discharge holes 21 and the vertical discharge holes 22, the form of cleaning can be controlled by the step portion 50.
The degree of freedom in designing the horizontal discharge holes 21 and the vertical discharge holes 22 is also improved.

Next, FIG. 8 shows a Western style toilet having a mounting surface for a toilet seat support leg. The Western-style toilet of the present embodiment has the mounting surface 41 at least at the position corresponding to the support leg 40 on the bottom of the toilet seat 7 at the opening of the bowl portion of the Western-style toilet shown in FIG. It is possible to do.

Therefore, the support leg 40 of the toilet seat 7 can be stably installed at the upper end of the bowl portion when excreting the stool, the cleanability of the upper end portion of the bowl portion is improved, and the dirt after cleaning is improved. The removal can be easily confirmed, and the generation and progress of contamination can be confirmed. In addition, the opening on the bowl surface can be widened, and the usability for small boys can be improved.

Next, FIG. 9 shows a Western style toilet having the overhang shape except for the vicinity of the upper front end of the bowl portion of the Western style toilet shown in FIG. The Western style toilet according to the present embodiment has a support leg 4 on the bottom of the toilet seat 7 at the opening of the bowl portion of the Western style toilet shown in FIG.
Since the upper surface of the overhang 60 is provided at a position suitable for zero, the support leg 40 can be placed. In addition, since the water discharged from the horizontal discharge hole 21 of the bowl surface cleaning water discharge portion 20 at the rear upper end of the bowl portion is difficult to jump out of the bowl surface 1, the horizontal discharge hole 21 can be inclined obliquely upward. Even if it is a water force, it easily reaches the front upper end portion of the bowl portion, and the degree of freedom of water supply conditions to the bowl surface washing / discharging portion is improved.

[Brief description of the drawings]

FIG. 1 is an explanatory view of a Western-style toilet provided with a separate bowl surface washing water discharge section at a rear upper end portion of a bowl section.

FIG. 2 is an enlarged view of a separate bowl surface cleaning water discharge section shown in FIG.

FIG. 3 is an explanatory view of a Western-style toilet provided with an integrated bowl surface washing water discharge section at the upper rear end of the bowl section.

FIG. 4 is an enlarged view of the integrated bowl surface cleaning water discharge section shown in FIG. 3;

FIG. 5 is an explanatory view of a Western-style toilet provided with a bowl surface washing water discharge section at the upper front end of the bowl section.

FIG. 6 is an explanatory view of a Western-style toilet provided with a rear bowl surface cleaning water discharge section at a rear upper end of a bowl section and a front bowl surface cleaning water discharge section at a front upper end of the bowl section.

FIG. 7 is an explanatory view of a Western-style toilet having a step portion in a bowl portion shown in FIG. 1;

FIG. 8 is an explanatory diagram of a Western-style toilet having a mounting surface of a toilet seat support leg in FIG. 1;

FIG. 9 is an explanatory view and a cross-sectional view of a Western-style toilet bowl in FIG. 1 in which the portion other than the bowl front upper end has an overhang shape.

FIG. 10 is a configuration diagram of a conventional Western style toilet.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Bowl surface 20 ... Bowl surface washing water discharge part 21 ... Horizontal discharge hole 22 ... Vertical discharge hole

Claims (5)

[Claims] 1. A Western-style toilet that cleans a bowl portion with bowl surface cleaning water flowing from the upper end side of the bowl portion toward the reservoir and jet cleaning water flowing toward the trap entrance at the lower end portion of the bowl portion. At the upper end portion and / or the front upper end portion, a horizontal discharge hole for discharging bowl surface cleaning water along a horizontal curved surface of the bowl portion, and a flow rate smaller than the horizontal discharge hole and a vertical curved surface of the bowl portion are formed. A Western-style toilet having a bowl-side flushing water discharge section having a vertical discharge hole for discharging bowl-side flushing water along the bowl. 2. An upper end portion of the bowl portion is formed by a curved surface having a curvature in which the bowl surface washing water discharged from the horizontal discharge hole is a continuous flow from the opening portion of the bowl portion toward the pool water. Item 14. A Western-style toilet bowl according to Item 1. 3. The Western style toilet according to claim 1, wherein the opening of the bowl portion has a mounting surface on which the support leg is mounted at least at a position suitable for the support leg on the bottom surface of the toilet seat. 4. The Western style toilet according to claim 1, wherein the bowl portion has a step portion for guiding bowl surface washing water discharged from a horizontal discharge hole in a horizontal direction. 5. The ball surface cleaning water discharge portion is attached to a rear upper end of the bowl portion, and discharges bowl surface cleaning water along one horizontal curved surface of the bowl portion. A rear bowl surface cleaning water discharge portion having a flow rate smaller than the horizontal discharge hole and discharging a ball surface cleaning water along a vertical curved surface of the bowl portion; 5. A front bowl surface cleaning water discharge portion having a horizontal discharge hole for discharging bowl surface cleaning water in the same direction as one horizontal discharge hole of the rear bowl surface cleaning water discharge portion. Western-style toilet bowl according to any of the above.