JPH11210053A - Flush toilet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a new flush toilet capable of adjusting the angle of rotation of trap means forming a sealing water trap, adjusting the amount of sealing water and amount of drain water in alignment with the piping conditions or the like thereby enhancing the water saving effect and water drain effect. SOLUTION: Trap means 6 having a fixed end portion fixed to a drain pipe portion 3 extending from a bowl 1 and a free end portion made rotatable in up-down direction by the turning force from a drive source is arranged with the drainage. In this case, a stepping motor 11 is provided as a drive source, is pulse-controlled and generates a rotating force of any desired angle and the rotation angle of the trap means 6 is controlled as desired.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flush toilet. More specifically, the present invention relates to a new flush toilet capable of improving the water saving effect and drainage effect by arbitrarily adjusting the amount of sealed water and the amount of drainage.

[0002]

2. Description of the Related Art Conventionally, various types of flush toilets having various structures and structures have been provided for flush toilets installed in toilets of houses and the like. Toilets are known. In this mechanical flush toilet, a DC motor is used as a drive source of the trap means, and the DC motor drives the trap means once per discharge cycle to discharge waste. Then, after the trap means completes the draining operation and returns to the initial position to form a water-sealing trap, water is supplied to the toilet by the solenoid valve so that the water-sealing amount is ensured.

[0003]

However, in such a conventional mechanical flush toilet, since a DC motor is used as a drive source, the trap means operates only at a predetermined fixed angle. , A constant amount of water is discharged regardless of the conditions of the sewage piping to which the toilet is connected and installed. Since the same amount of washing wastewater is used, there is a problem that water resources are not effectively used.

In addition, when the piping conditions are poor, such as when the length of the sewage piping is longer than usual, it is not easy to adjust the amount of water to meet the bad conditions. In some cases, it occurred.
The invention of this application has been made in view of the circumstances described above, and the rotation angle of a trap unit that forms a water sealing trap can be arbitrarily adjusted. It is an object of the present invention to provide a new flush toilet capable of adjusting water consumption and improving a water saving effect and a drainage effect.

[0005]

The present invention solves the above-mentioned problems by providing a fixed end portion fixed to a drain pipe extending from a bowl, and a vertically rotating portion by a rotational force from a driving source. A flush toilet provided with a trapping means having a free end portion enabled in a drainage channel, wherein a stepping motor is provided as a drive source, and the stepping motor is pulse-controlled to rotate the motor at an arbitrary angle. And the rotation angle of the trap means is arbitrarily controlled.

The present invention also provides a trapping means having a fixed end fixed to a drain pipe extending from a bowl and a free end rotatable vertically by a rotational force from a drive source. A toilet bowl provided with a stool discharge switch means and a urine discharge switch means, wherein a washing time, a drainage time, and a water sealing time are adjusted in advance to stool and urine times. In accordance with the inputs of the discharge switch means for urine and the discharge switch means for urine, the washing time, drainage time, and sealing time for stool and urine are switched, and the washing, discharging, and sealing are performed at each time. There is also provided a flush toilet characterized by the following.

Further, the present invention provides a trap means having a fixed end fixed to a drain pipe extending from a bowl, and a free end rotatable in a vertical direction by a rotational force from a driving source. A flush toilet disposed in a drainage channel, wherein the flush operation for one waste is controlled so as to be continuously performed a plurality of times.

[0008]

Embodiments of the present invention will be described below in more detail with reference to the accompanying drawings.

[0009]

(Embodiment 1) FIG. 1 shows an embodiment of a flush toilet according to the present invention. For example, in the flush toilet illustrated in FIG. 1, a drain pipe portion (3) extends from the inner drain port (2) at the bottom of the bowl (1) toward the rear of the toilet bowl, and an end of the drain pipe portion (3). And external drain pipe (4)
A trap means (6) is provided between the bottom of the toilet and the outer discharge port (5) connected to the toilet.

[0010] The trap means (6) is formed of, for example, a bellows-like hose which can expand and contract and can be bent, and further has a case body (8) having an internal space communicating with the outer discharge port (5). Is housed. There is no particular limitation on the material of the hose (7), and an appropriate material having elasticity, such as resin and rubber, which can be expanded and contracted and bendable without bending, can be used.

The inner drain port (2), the drain pipe section (3), the trap means (6), the case body (8) and the outer drain port (5) form a drain channel of a flush toilet. . One end of a hose (7) provided in the drainage channel as the trap means (6) is connected to the end of the drainage pipe (3) and is a fixed end.

Specifically, for example, the hose (7)
The fixed end is inserted into the end of the drain pipe part (3), and is fixed by being tightened from the outer periphery with a hose band or the like. An opening substantially equal to the outer diameter of the hose (7) is provided at the end of the drain pipe (3) in the case body (8), and the drain pipe (3) is connected to the hose through this opening. A drainage space communicating with (7) is formed.

On the other hand, the other end of the hose (7) is a free end, and is freely rotatable in the vertical direction as shown in FIG. This rotation is performed by a rotational force generated by a drive source, and the flush toilet of the present invention includes a stepping motor (11) as a drive source. In this embodiment, a support member (9) is fixed to the free end of the hose (7), and the support member (9) is a pair of arms (10) symmetrically arranged outside the hose (7). ). Then, this pair of arms (1
0), a stepping motor (11) as a driving source via a clutch means including, for example, a rotating shaft and a gear.
Is connected.

With this configuration, the rotational force generated by the stepping motor (11) is transmitted to the arm (10) and the support member (9), and the free end of the hose (7) is moved vertically. Rotate. Stepping motor (1
Since 1) generates a forward rotation force and a reverse rotation force, the forward rotation force and the reverse rotation force respectively correspond to the downward rotation and the upward rotation.

Normally, the free end of the hose (7) is arranged upwards to form a water trap, and water is stored inside the bowl (1) up to the level of the free end. The water has been sealed. During the draining operation, when the toilet flush is switched on after the toilet, the bowl (1) is supplied with flush water for bowl face flush as before. Thereafter, the stepping motor (11) rotates forward, and the forward rotation causes the free end of the hose (7) to rotate downward. Then, when the free end of the hose (7) faces the outside discharge port (5), the stepping motor (11) stops, and the waste is discharged together with the stored water.

After a while, when the waste is completely discharged, the stepping motor (11) rotates in the reverse direction, the free end of the hose (7) rotates upward and returns to the initial state, and the water sealing trap is turned off. It is formed. And a bowl (1)
Water is stored inside and sealed again. Further, in the flush toilet of the present invention having such a configuration, the stepping motor (11) is pulse-controlled by a control circuit unit (not shown) or the like.

Specifically, for example, first, an optimum amount of drainage water is determined in accordance with the piping conditions of the external drain pipe section (4) to which the flush toilet is connected, for example, the length of the waste and the transport distance of the waste according to the piping diameter. Then, the position of the trap means (6) capable of forming a water-sealing trap necessary for storing the drainage water amount, that is, the rotation angle of the free end of the trap means (6) is set in advance. In accordance with this setting, a pulse signal is sent from the control circuit unit or the like to the stepping motor (11). The means (6) rotates, and the required amount of water is stored in the water sealing trap by the movable trap means (6) held at the rotation stop position.

Table 1 exemplifies the rotation angle (deg) and the conveyance distance (m) of the waste corresponding to each rotation angle.

[0019]

[Table 1]

For example, as shown in Table 1, according to the amount of water stored in the water trap formed when the rotation angle is set to 120 deg, the waste can be transported by 10.4 m. Similarly, rotation angles 124 deg, 12
In the case of 8 deg, 132 deg, and 136 deg, the conveyance distance of the waste is 11.5 m and 12.8, respectively.
m, 13.2 m, and 14 m.

As described above, in the flush toilet of the present invention, for example, when the pipe length is short, the transport distance is short, so that the amount of water is adjusted to be small according to the distance, and the drainage amount is poor due to poor piping conditions. When it is necessary to increase the amount of water, the amount of water can be arbitrarily and easily adjusted according to various piping conditions such as increasing the amount of water, and the water saving effect and the drainage effect can be improved.

Each of the values shown in Table 1 is an example set for a detached house. For example, in the case of a condominium or the like, the transport distance may be shorter. Water saving can be realized. Of course, when the transport distance is longer, the stepping motor (11) is pulse-controlled so as to generate a larger rotation angle so that the amount of water sealed by the trap means (6) is increased to obtain a necessary drainage effect. It is also possible to adjust to.

In the example shown in FIG. 1, the upper limit switch (13) and the lower limit switch (14)
Are provided only for setting the maximum rotation range, and the free end of the trap means (6) is rotated at an arbitrary angle within this rotation range.
Furthermore, in this embodiment, as described above, the control circuit unit for performing pulse control of the stepping motor (11) includes:
For example, it is built in a control block (12) mounted above the case body (8).

(Embodiment 2) In the flush toilet of Embodiment 1, a stepping motor (11) is used as a drive source and its rotation angle is pulse-controlled in order to adjust the amount of sealed water according to the sewage pipe conditions. However, in the flush toilet of the present invention, the amount of water can be adjusted for each stool and urine to perform washing, discharging, and sealing.

More specifically, in this case, for example, the flush toilet of the present invention is provided with a stool discharge switch means and a urine discharge switch means, and the stool and the urine discharge time are respectively provided for the stool and the urine. The time required for each discharge is preset. When the stool is switched on by the stool discharge switch means for stool and by the urine discharge switch means for urine, the cleaning time is calculated according to each switch input as shown in FIG.
The drainage time and the water sealing time are switched to the time for the stool and the time for the urine, and the washing, draining and sealing are performed at each time. The rotation and reversal of the trap means (6) in the upward and downward directions are controlled according to the passage of time.

Table 2 shows examples of the flushing time, the drainage time, and the sealing time when the stool and the urine are used.

[0027]

[Table 2]

In the example shown in Table 2, the stool washing time, drainage time and water sealing time are each 10 seconds (=
s), 3 seconds and 20 seconds, and the urine washing time, drainage time and water sealing time are 2 seconds, 2 seconds and 18 seconds, respectively.
Seconds are set. In addition, these values are 2 per second.
It is required to obtain a water volume of 50 cc. Total operating time for stool and urine is 33 seconds and 2 respectively.
Since it is 2 seconds, the water supply time at the time of urination is reduced by 11 seconds, and therefore, 2750 cc (= 11s × 25)
0 cc).

As described above, in the flush toilet of the present invention, the times for washing, draining and closing the water are arbitrarily adjusted to the times required for discharging the stool and urine, and the trap means and the water supply valve are adjusted to each time. Is controlled, a draining effect can be obtained with a necessary minimum amount of water, and thus a water saving effect can be improved. (Embodiment 3) Further, in the flush toilet of the present invention, in order to further extend the conveying distance of the waste, for example, in response to a case where the length of the sewage pipe is considerably longer than usual, the discharge operation for one waste is continuously performed. Is controlled to be performed multiple times.

In this case, further description will be given. For example, first, when the free end of the trap means (6) is rotated downward to perform the first drainage, for example, filth is conveyed immediately after the drainage. In between, trap means (6)
, The free end of which rotates upward and is inverted to the initial state. Then, water is stored in the water sealing trap formed again, and after the required amount of water is stored, the free end of the trap means (6) is rotated downward again, and the second drainage is performed. Similarly, the third and subsequent operations are performed.

The number of times of the discharging operation and the amount of water sealed after the second time (that is, the water supply time) are adjusted so as to obtain the required transport distance according to the length of the sewage pipe. The adjustment and the control of the trap means, the water supply valve, and the like according to each adjustment value are performed by, for example, a control program or a control circuit unit. Table 3 exemplifies reach distances of the first discharge operation and the second discharge operation in the continuous second discharge operation.

[0032]

[Table 3]

As is clear from Table 3, the carry-out operation is performed twice consecutively five times, and in each case, the reach of the second discharge operation is longer than the reach of the first discharge operation. As can be seen, the finally obtained transport distance is longer. As described above, by controlling the discharge operation to be continuously performed a plurality of times, it is possible to increase the transport distance in response to a case where the length of the sewage pipe is considerably longer than usual.

In the drainage in the second and subsequent discharge operations, it is preferable to control the trapping means to rotate downward immediately before the water stored in the water sealing trap formed after the previous drainage overflows. The amount of water sealed immediately before the overflow is the largest, and such control can prevent the time difference from the previous discharge operation from increasing.

Of course, in the flush toilet of the present invention, in order to more accurately adjust the required amount of sealed water and the amount of drainage in accordance with the piping conditions and the discharge of stool and urine, the pulse control of the stepping motor in the first embodiment is performed. It goes without saying that the control for adjusting the washing time, the drainage time, and the water sealing time in Example 2 and the control for discharging a plurality of times in Example 3 may be performed in combination with each other.

The present invention is not limited to the above examples, and various embodiments can be made in detail.

[0037]

As described in detail above, according to the present invention, it is possible to arbitrarily adjust the required water sealing amount and drainage amount according to the piping conditions such as the piping length and the piping diameter and the discharge of the stool and urine. A new flush toilet capable of improving the effect and drainage effect is provided.

[Brief description of the drawings]

FIG. 1 is a side view illustrating a configuration of a main part of a flush toilet according to an embodiment of the present invention.

FIG. 2 is a side view exemplifying a vertical rotation operation of a trap means in the flush toilet of FIG. 2;

FIG. 3 is a diagram conceptually exemplifying cleaning, drainage and water sealing operation times in the flush toilet of the present invention.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 bowl 2 inner drain port 3 drain pipe section 4 external drain pipe section 5 outer drain port 6 trap means 7 hose 8 case body 9 support member 10 arm 11 stepping motor 12 control block 13 upper limit switch 14 lower limit switch

Claims (5)

[Claims] A trap means having a fixed end fixed to a drain pipe extending from a bowl and a free end rotatable in a vertical direction by a rotational force from a driving source is disposed in the drain. Flush toilet, wherein a stepping motor is provided as a drive source, the stepping motor is pulse-controlled to generate a torque of an arbitrary angle, and the rotation angle of the trap means is optionally controlled. Flush toilet. 2. A movable trap means having a fixed end fixed to a drain pipe extending from a bowl and a free end rotatable in a vertical direction by a rotational force from a driving source is disposed in the drain. A flush toilet provided, comprising a stool discharge switch means and a urine discharge switch means,
The washing time, the draining time, and the sealing time are adjusted in advance to the time for the stool and the time for the urine.
A flush toilet characterized by being switched to a flushing time, a draining time, and a sealing time for stool and urine, and being controlled to perform washing, discharging, and sealing at each time. 3. A stool discharge switch means and a urine discharge switch means, wherein the washing time, the drainage time, and the water sealing time are preset to the stool and urine times. According to the input of each of the urinal discharge switch means, it is switched to the washing time, drainage time, and sealing time for stool and urine, and is controlled so that washing, draining, and sealing are performed at each time. The flush toilet of claim 1 wherein: 4. A movable trap means having a fixed end fixed to a drain pipe extending from a bowl and a free end rotatable in a vertical direction by a rotational force from a driving source,
A flush toilet disposed in a drainage channel, wherein the flush operation for one waste is controlled so as to be continuously performed a plurality of times. 5. The flush toilet according to claim 1, wherein the operation of discharging the waste once is controlled so as to be continuously performed a plurality of times.