JPH1018392A - Drain mechanism of flush stool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate a trap, provide a water drain port through which water can flow out naturally, maintain a flush stool in a no-water condition always, prevent the freezing of water during the severe cold season, and facilitate the utilization of water resource. SOLUTION: A water drain port 2 is provided in a lower part of a rear side wall 1 and a projection part provided in the outside of a side wall and a side plate 5 of a basic panel 4 pass through a valve shaft 6 to fix the basic panel 4 on a stool. A valve plate 7 closes the water drain port 2, and a drive cam 15 which turns together with a lid 13 is provided. A ratchet mechanism which engages a receive roller 10 fixed on the valve plate 7 with the drive cam 15 is provided so that the water drain port 2 is closed when the lid 13 is opened and the water drain port 2 is opened when the lid 13 is closed to flow out water which remains naturally.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a toilet for preventing the freezing of the toilet and its water supply system and facilitating the use of water resources by naturally removing accumulated water from a flush toilet. is there.

[0002]

2. Description of the Related Art A toilet with a built-in trap discharges a large amount of strong running water instantaneously from a low tank to eliminate waste water. For this reason, there is a need for a means for preventing freezing in a cold region, and there is a drawback that natural pressure water resources such as domestic sewage are not easily utilized.

[0003] Japanese Patent Application No. 4-260486, which aims to remedy the drawbacks of a toilet with a built-in trap, discloses an unclear mounting structure of a bowl for connecting a ceramic toilet body and a valve plate.
It was necessary to improve the shape of the fixed cam and the movable cam.

[0004]

The problem to be solved is that the trap is eliminated and a drainage port through which sewage flows out naturally is provided, the toilet is always kept in an anhydrous state, and water is supplied immediately before use. After use, remove the washed wastewater after use and return it to an anhydrous state again, avoiding electric heating and complicated operations, completely preventing freezing, and eliminating the low tank that requires a large amount of running water instantaneously. In addition, it is intended to facilitate the utilization of water resources such as household miscellaneous water.

[0005]

As described in claim 1, a drainage port is provided in a lower portion of a rear side wall of a toilet, a projection is provided above an outer side wall, and a base is provided. The base plate is fixed to the toilet body by penetrating the side plate and the projection of the valve shaft, the valve plate is engaged with the valve shaft, the drain port is closed and water is retained, and it is installed horizontally behind the base. A drive cam that rotates with the lid is provided on the support shaft, and a ratchet mechanism that engages the drive roller with the passive roller on the upper arm fixed to the valve plate is provided.
When the lid is opened, the drain port is closed, and only during a specific time when the lid is closed, the drain port is opened to allow water to flow naturally, and opening and closing the lid eliminates water in the vessel And a means for preventing freezing was realized.

[0006] As described in the second aspect, a passive cam is attached to the upper portion of the valve plate having a structure in which the valve plate interlocking with the lid closes the drain port. Provide a ratchet mechanism that engages the passive roller with the drive roller of the movable plate that is provided so that it can be bent, the drain port is closed when the lid is opened, and the drain port is opened only for a specific time when the lid is closed, and water remains. Was constructed to flow out naturally, and a means for opening and closing the lid to eliminate water in the vessel and prevent freezing was realized.

[0007]

1 to 4 show a first embodiment of the present invention.
A drain port 2 through which sewage can flow naturally is provided at the lower portion of the rear side wall 1 of the toilet so as to discharge the sewage to a lower drain pipe. As shown in FIG. A projection 3 having a groove with an upper surface inclined forward and a shaft hole at the lower part is provided integrally on the left and right of the drain port 2 outside the rear side wall 1,
As shown in FIG. 3B, a molded body or a metal base 4 that can be integrally processed is mounted on the projection 3, and provided on the shaft hole of the projection 3 and the left and right side plates 5 hanging from the base 4. The base plate 4 is fixed to the body of the toilet bowl by restricting the base 4 to the front and rear, right and left, and up and down, and the valve plate 7 having a flexible rubber plate or the like on the front surface. The upper part is rotatably engaged with the valve shaft 6 in the middle of the left and right protrusions 3 so as to close the drain port 2, and the arm 8 is fixed upward from the upper part of the valve plate 7. A spring 9 is attached to the arm 8, the valve plate 7 is urged in a direction to close the drain port 2 to enable water to be retained, and a passive roller 10 that pushes the valve plate 7 open at the upper end side surface of the arm 8 is provided. . A shaft hole is provided in a support plate 11 formed to protrude rearward from both left and right ends of the base 4, a support shaft 12 is horizontally provided in the shaft hole, and a cover 13 is attached so as to be freely opened and closed. A cam substrate 14 is fixed to the rear end at a right angle to the lid 13, and as shown in FIG. 2, when the lid 13 is closed, a front end of a crescent-shaped driving cam 15 is provided in front of the side surface of the cam substrate 14 when the lid 13 is closed. Is fixedly attached to the drive cam 15 so as to be rotatable around the fulcrum.
6 is fixed to the cam substrate 14 to prevent the rotation of the driving cam 15, and a spring 17 for urging the driving cam 15 in the direction of the fixing piece 16 is provided so that the driving cam 15 and the passive roller 10 are engaged. A ratchet mechanism is formed. 4C shows a state in which the cover 13 is closed, the drive cam 15 is moved downward, and the passive roller 10 is moved to a position closer to the support shaft 12, and the solid line is a state in which the passive roller 10 is closed just before the lid 13 is completely opened. 4D shows a state immediately before the end of the drive cam 15 that has risen in front of the roller 10 comes off the passive roller 10, and the chain line in FIG. A state in which the end of the cam 15 is displaced from the passive roller 10 and moves toward the support shaft 12, and a solid line indicates a state in which the cover 13 is closed partway, the driving cam 15 is lowered and the passive roller 10 is pushed forward. And a switch drive cam formed around the cam substrate 14 and connected to a water supply pump or a water tap.
Is controlled by the rotation of the switch drive cam. When the lid 13 is opened, the drain port 2 is closed and the water is automatically supplied and water is retained. When the lid 13 is closed, the drain port 2 is closed only for a specific time. Is opened, water supply and washing are automatically advanced, and sewage is naturally removed, and the toilet is maintained in an anhydrous state. A toilet seat 19 is attached to the support shaft 12, a water supply pipe 20 is provided above the rear part of the toilet, and a rear lid 21 is provided thereunder to cover the drain port 2 and the valve plate 7, and the valve plate 7, the arm 8, and the cam The substrate 14, the fixed piece 16, the drive cam 15, and the like are integrally formed and processed.
The structure can be simplified and the manufacturing process can be simplified.

FIGS. 5 and 6 show a second embodiment of the present invention, in which a valve plate 7 interlocked with a lid closes a drain port 2 and, as shown in the drawings, one side of a triangular plate. Is fixed to the upper part of the valve plate 7 with the corrugated side facing upward and rearward, and a stop piece 24 is attached to the back surface of the base 23 to urge the passive cam 22 downward. Tip or stop piece 24
The passive plate 22 is stopped immediately before closing the drain port 2 by contact with the fixed plate 25. The fixed plate 25, which is formed in a double bend shape and whose bent side is forward, is fixed to the cover 13 corresponding to the passive cam 22. The lower end is fixed downward from the rear end, and one end of the movable plate 26 is inserted into the bent gap at the other end of the fixed plate 25, and both are flexibly engaged in the direction opposite to the bending side from the straight state. A spring 27 biased in a direction in which the movable plate 26 is in a linear state is mounted, and a driving roller 28 and a passive cam 2
2 to form a ratchet mechanism. FIG.
The chain line in (e) is a state in which the fixed plate 25 and the movable plate 26 are maintained in a straight line downward by the spring 27 while the lid 13 is closed, and the solid line is a state where the lid 13 is partially opened.
Since the passive cam 22 does not move and the driving roller 28 comes into contact with the passive cam 22, the movable plate 26 also bends backward and downward, and water is supplied and water is retained with the drain port 2 closed, and the chain line in FIG. 1
In a state in which the fixed plate 25 is fully opened, and just before that, when the fixed plate 25 approaches the horizontal and the stop piece 24 is still pressing the tip of the passive cam 22, the circular locus between the movable plate 26 and the outer periphery of the driving roller 28 Since the upper curve of the passive cam 22 is set to be slightly away from the passive cam 22, the driving roller 28 is separated from the passive cam 22 and becomes unconstrained, and the movable plate 26 is pushed by the spring 27 to be in a straight line with the fixed plate 25. At the same time, the fixing plate 25
Pushes up the stop piece 24 and the passive cam 22
6, the drain port 2 is completely closed, and the solid line in FIG. 6F shows a linear circular locus of the fixed plate 25, the movable plate 26, and the outer periphery of the driving roller 28 with the lid 13 closed halfway. When the driving roller 28 descends and passes through the upper curved portion of the passive cam 22, the passive cam 22 is pushed forward to open the drain port 2, and further pivots to close the lid 13. At this time, the lower curve of the passive cam 22 is set to the same shape as the above-mentioned linear circular locus so that the drain port 2 is kept open,
When the cover 3 is closed, the passive cam 22 is released from the driving roller 28, the valve plate 7 urged by the spring 9 closes the drain port 2, and water supply, washing, and drainage automatically progress in the process of closing the lid 13. Since the ratchet mechanism is accommodated in the lower part of the base 23, a concave cut is not required in the center of the base 23, and the fixing plate 25 is directly fixed to the lid 13 irrespective of the support shaft 12. The plate 7 and the passive cam 22 can be integrally formed.

[0009]

According to the present invention, as described above, two effects are generated by removing the trap structure of the ascending flow path from the toilet drainage system. The second is that wastewater can be naturally drained and eliminated to make it anhydrous and freezing can be prevented. Second, it is not necessary to instantaneously discharge a large amount of strong water, and water resources can be utilized by supplying a gentle stream of water. The following effects are obtained.

[0010] A ceramic or plastic press-worked base capable of producing complex shapes accurately and inexpensively at a low cost is mounted on the projection formed of the pottery of claim 1, and integrated with the toilet body with one valve shaft. The structure can be simplified by pressing the valve plate and arm, the cam substrate and the fixed piece, and the drive cam, simplifying the manufacturing process and reducing production costs.

The valve plate and the passive cam according to the second aspect can be formed integrally, and the ratchet mechanism such as the fixed plate, the movable plate and the passive cam can be accommodated below the base, so that a concave notch is formed in the center of the base. When the lid is opened, the base is strengthened, and when the lid is opened, there is no cut in the toilet seat and the appearance is excellent, and the end of the passive cam hits the stop piece provided on the back of the base and closes the drain port just before closing the drain port Stops and exhibits a dual valve function that allows drainage after blockage.

The first effect group of the present invention relates to the prevention of freezing. Sewage naturally flows out and is eliminated, and the toilet is always kept in an anhydrous state. After washing, the sewage that has been washed is naturally removed and the water returns to an anhydrous state again, preventing freezing of the toilet bowl. Even in severe cold conditions, the toilet can be completely opened and closed simply by opening and closing the lid before and after use. Can be prevented from freezing, avoiding wasted water and electricity as in the conventional flow method and electric heating method, and there is no need to perform cumbersome operations for each convenience like the draining method, eliminating the low tank. There is no need to worry about freezing, and there are benefits such as being able to use it without worrying about freezing even in severe cold. In addition, Patent No. 16 for preventing freezing in the water supply pipe
No. 55397 and the present invention aimed at preventing the freezing of the toilet bowl can be effectively used for the first time, and the prevention of freezing of the toilet bowl and its water supply pipe system can be effectively realized for the first time. I do.

[0013] The second effect group of the present invention relates to matters other than freezing, and since there is no ascending flow path in the toilet and a large amount of flowing water is not required instantaneously, the low tank can be eliminated and the tank price becomes unnecessary. In addition, it is possible to reduce the size of the toilet room, which is advantageous for improving the living space in a small house in a city. When water is cut off due to an earthquake or water shortage, conventional toilets require a large amount of water to eliminate wastewater.However, the present invention does not cause uselessness due to water shortage, and the minimum It is easy to secure water, as the amount is supplemented with household water. It is 13m even if a low tank is abolished in general households.
As the water supply can be used as a water source for m-tubes, the demand for water is increasing more and more as water washing becomes more widespread throughout the country. When it is expected that water measures will become more serious,
By gently supplying water using a pump, the unused water such as the remaining hot water in the bathtub and underground water can be used to save precious purified water supply and to achieve the effect of maintaining and conserving limited water resources.

[Brief description of the drawings]

FIG. 1 is a side view showing an example of a flush toilet according to an embodiment of the present invention, showing a part of the inside thereof.

FIG. 2 is a sectional view of a main part of the first embodiment of the present invention.

FIG. 3A is a perspective view illustrating a structure of a mounting portion of a base, and FIG.

FIG. 4 is an explanatory diagram showing an operation state of a main part of the embodiment of the first embodiment.

FIG. 5 is a sectional view of an essential part of the second embodiment.

FIG. 6 is an explanatory diagram showing an operation state of a main part according to the embodiment of claim 2;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Rear wall 2 Drain port 3 Projection part 4, 23 Base 5 Side plate 6 Valve shaft 7 Valve plate 8 Arm body 9, 17, 27 Spring 10 Passive roller 11 Support plate 12 Support shaft 13 Cover 14 Cam substrate 15 Drive cam 16 Fixed piece DESCRIPTION OF SYMBOLS 18 Switch 19 Toilet seat 20 Water supply pipe 21 Back lid 22 Passive cam 24 Stop piece 25 Fixed plate 26 Movable plate 28 Drive roller

Claims (2)

[Claims] A toilet is provided at a lower portion of a rear side wall of a bowl of a toilet bowl, and a protrusion is provided on a left and right upper side of a drainage hole on an outer side of the side wall, a base is provided, and left and right side plates hanging from the base and a protrusion are provided. Through the valve stem, the base is fixed to the body of the toilet bowl, the valve plate is engaged with the valve stem, the drainage port is urged in the closing direction, and water is retained. A drive cam that rotates with the lid is provided on the laterally mounted spindle, and a ratchet mechanism that engages the drive cam with the passive roller on the upper arm fixed to the valve plate is provided.
A drain mechanism for a flush toilet, wherein the drain port is closed when the lid is opened, and the drain port is opened only during a specific time when the lid is closed, so that the accumulated water flows out naturally. 2. A passive cam is attached to an upper portion of the valve plate, wherein the valve plate interlocking with the lid closes the drainage port, as in the first aspect, and the passive cam is provided from the rear end of the lid to the lower rear. A ratchet mechanism that engages the passive roller with the driving roller of the movable plate that can be bent is provided so that the drain port is closed when the lid is opened, and the drain port is opened only for a specific time to close the lid. The drainage mechanism for a flush toilet according to claim 1, wherein the drainage mechanism is configured.