JP4265507B2 - Flush toilet - Google Patents

Description

  The present invention relates to a flush trap toilet bowl.

  Conventionally, various types of flush toilets installed in toilets such as houses have various configurations and structures. For example, flush toilets equipped with an automatic discharge mechanism illustrated in FIGS. 4 and 5. Has been proposed by the applicant of this application (see Patent Document 1).

  In this automatic drainage type flush toilet, a movable trap 2 supported by a rotating shaft 11 connected to a motor 10 and having a free end 7 that can be rotated and turned up and down is drained from a bowl 4. The movable trap 2 is housed in a case body 12 called a chute that is disposed in the path 5 and communicates with an external drain pipe. For such a movable trap 2, a flexible tube such as a bellows hose can be used.

  Moreover, in this flush toilet, the electromagnetic valve 14 is also arrange | positioned in the water supply path which supplies washing water to the rim | limb 13 grade | etc.,. The motor 10 and the electromagnetic valve 14 are electrically connected to the control unit 15 and can be controlled in operation.

  For example, in the flush toilet having the above-described configuration, the end 7 of the movable trap 2 is arranged facing upward as shown in FIG. Water is stored in the water supply line and sealed.

  When a discharge operation is input after the stool via a switch or the like, the electromagnetic valve 14 is opened, and the wash water is supplied into the bowl 4 through this operation. Thereafter, the motor 10 operates, and the rotating shaft 11 rotates as shown in FIGS. 5B and 5C to rotate the end 7 of the movable trap 2 downward. As the terminal end 7 of the movable trap 2 rotates, the filth D in the bowl 4 flows out to the external drain pipe together with the washing water, and is discharged outside the toilet.

  After the filth D is completely discharged, the rotating shaft 11 is reversely rotated by the motor 10, the movable trap 2 is reversed to return to the initial state of FIG. 5A, and again to the water supply line inside the bowl 4. Store water and seal. Then, the electromagnetic valve 14 is closed.

Such an automatic drainage type flush toilet does not need to use flushing water that is not directly involved in the discharge of filth and causes siphon action at the time of filth discharge, unlike conventional flush toilets. It is a type and attracts attention as a silent flush toilet.
Japanese Patent Laid-Open No. 9-256447

  However, the flush toilet is a flush toilet with excellent water saving and noise reduction, but since it is a water-saving flush toilet, it is desired to further improve the drainage performance.

  For example, in the above flush toilet, the filth D after stool accumulates in the drainage channel 5 at the bottom of the bowl 4 as shown in FIG. The discharge of the filth D is such that the filth D in the bowl 4 flows out toward the external drain pipe 9 together with the cleaning water as the end 7 of the movable trap 2 is rotated downward as described above. In this case, as shown in FIG. 6 (b), the washing water in the movable trap 2 flows toward the external drainage pipe 9 ahead of the filth D when the movable trap 2 rotates, and the filth D, And it flows out to the external drain pipe 9 in order of the washing water in the bowl 4. Here, in order to make the filth D flow as far as possible, the more washing water behind the filth D in the external drain pipe 9, the better. Therefore, in order to further improve the drainage performance with a certain amount of washing water, when the filth D flows into the external drain pipe 9, the washing water flowing out before the filth D is suppressed, and the washing behind the filth D is performed. It is necessary to make more water.

  This invention makes it a subject to provide the flush toilet which improves the drainage performance of the water-saving flush toilet from the background as mentioned above.

  In order to solve the above-mentioned problems, the present invention provides a movable trap having a rotary valve housed in the case body and having one end as a free end. The end of the movable trap, which is the free end of the movable trap, can be opened and closed by the rotation of a rotary valve accompanying the rotation of the motor-driven rotary drive shaft. This is a rotary trap type flush toilet that is rotated downwards to discharge washing water and filth at the time of discharge, and the end of the movable trap at the upward position is closed by a rotary valve at the time of filth discharge. It is equipped with a movable trap opening and closing mechanism that rotates the rotary valve and opens the end of the movable trap so that the washing water and filth can be discharged. And butterflies.

  According to the present invention, the end of the movable trap in the upward position at the time of initial water flow is rotated downward with the rotary valve closed at the time of discharging waste, and then the end of the movable trap is rotated by rotating the rotary valve. By opening, in the external drainage pipe, the washing water flowing out before the filth can be suppressed, the washing water behind the filth can be increased, and the drainage performance can be further improved.

  The invention of the present application has the features as described above. Hereinafter, embodiments will be described with reference to the drawings, and the best mode for carrying out the invention will be described in more detail.

  FIG. 1 is a side sectional view schematically illustrating one embodiment of a flush toilet of the present invention. For example, as shown in FIG. 1, first, as in the conventional case, in the flush toilet of the present invention, a rotary valve 1 having one end as a free end and housed in a case body (not shown in FIG. 1). The other end of the movable trap 2 is connected to the drainage port 6 of the drainage channel 5 extending from the bowl 4 of the toilet body 3 through an opening of a case body (not shown in FIG. 1). The rotary valve 1 is connected to a rotary drive shaft 8 provided at a terminal end 7 which is a free end of the movable trap 2, and the rotary valve 1 is moved to an arrow A along with the rotation of the motor-driven rotary drive shaft 8. A movable trap opening / closing mechanism is provided in which an opening / closing operation is performed by rotating and reversing along the direction of, and the terminal 7 of the movable trap 2 can be opened and closed.

  The material of the rotary valve 1 is not particularly limited, and an appropriate material having sufficient strength can be employed without bending such as resin. The shape of the rotary valve 1 is not particularly limited as long as the end 7 of the movable trap 2 can be sealed.

  The end 7 of the movable trap 2 is supported by, for example, a rotating shaft 11 to which a motor (not shown in FIG. 1) is connected, and can be freely rotated and reversed in the upward and downward directions along the arrow B direction. Is considered.

  The flush toilet having the above-described configuration operates as follows when filth is discharged. For example, as shown in FIG. 2 (a), at the time of initial water flow, the end 7 of the movable trap 2 is placed in an upward position, and water reaches the height (water supply line) up to the end 7 inside the bowl 4. Accumulated and sealed. The filth D after the stool accumulates in the drainage channel 5 at the bottom of the bowl 4.

  At the time of discharging the filth, if the discharge operation is input through a switch or the like, the rotary drive shaft 8 is rotated by the motor and the rotary valve 1 is rotated along the direction of the arrow A to be closed and the end of the movable trap 2 7 is closed. Thereafter, as shown in FIG. 2B, the end 7 of the movable trap 2 is drained from the bowl 4 to which the other end of the movable trap 2 is connected while the end 7 of the movable trap 2 is closed. It rotates so that it may be arrange | positioned in the position below the drain port part 6 of the path | route 5. FIG. At this time, since the end 7 of the movable trap 2 is closed by the rotary valve 1, the water in the bowl 4 is not discharged from the movable trap 2. Further, the filth D in the drainage channel 5 at the bottom of the bowl 4 moves toward the end 7 direction of the movable trap 2 (arrow C direction) and accumulates in the vicinity of the end 7 of the movable trap 2.

  Thereafter, cleaning water is supplied into the bowl 4, the rotary valve 1 is opened as shown by the arrow in FIG. 2C, the terminal 7 of the movable trap 2 is opened, and the filth D is drained together with the cleaning water. It flows out toward the pipe (not shown in FIG. 2) and is discharged out of the toilet. As a result, as shown in FIG. 3, when the filth D flows into the external drainage pipe 9, the filth D flows out to the external drainage pipe 9 first, and as a result, precedes the filth D. The amount of follow-up washing water behind the filth D can be increased by suppressing the washing water flowing out to the external drain pipe 9, and the filth D can be flowed further in the external drain pipe 9 to improve drainage performance. Can be made.

  After the filth D is completely discharged out of the toilet bowl, the movable trap 2 is reversed to return to the initial state of FIG. 2A, and again the water is stored in the bowl 4 up to the water supply line and sealed.

  The flush toilet of this invention may be provided with the control means which performs the operation | movement at the time of the waste discharge | emission as mentioned above. According to this control means, the time required for the end 7 of the movable trap 2 to open and close by the opening or closing of the rotary valve 1 by the rotation of the rotary drive shaft 8 driven by the motor, or the end 7 of the movable trap 2 is directed upward. By setting in advance the time until the rotary valve 1 starts to be opened after the end 7 of the movable trap 2 is arranged at the lower position, the time until the rotary valve 1 starts to open. Each of the motors that control the operation of the rotary valve 1 and the movable trap 2 is rotated and reversed for a predetermined time after a predetermined time by the input of the switch or the like, so that the operation at the time of discharging the filth can be performed.

  In the above example, as shown in FIG. 2 (a), the initial state is the state in which the end 7 of the movable trap 2 is arranged in the upward position. For example, as shown in FIG. 2 (b), the movable trap 2 is movable. With the end 7 of the trap 2 closed, the end 7 of the movable trap 2 is positioned below the drain port 6 of the drainage channel 5 extending from the bowl 4 to which the other end of the movable trap 2 is connected. It is also considered that the arranged state is the initial state.

  The flush toilet equipped with the movable trap opening and closing mechanism as described above has improved drainage performance as compared with a conventional toilet.

  Of course, the flush toilet of this invention is not limited by the above example. It goes without saying that various aspects are possible in the details.

It is the sectional side view which illustrated typically one Embodiment of the flush toilet bowl of this invention. (A) (b) (c) It is side sectional drawing which illustrated typically the waste discharge operation | movement of the flush toilet of this invention. It is the figure which illustrated typically a mode that filth flowed out to an external drain pipe in the flush toilet of this invention. It is the sectional side view which illustrated the conventional flush toilet bowl typically. It is the figure which illustrated typically the waste discharge operation of the conventional flush toilet. (A) It is the sectional side view which illustrated typically the mode before filth discharge operation in the conventional flush toilet. (B) It is the figure which illustrated typically signs that filth flowed out to an external drain pipe in the conventional flush toilet.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Rotating valve 2 Movable trap 3 Toilet body 4 Bowl 5 Drainage channel 6 Drainage port 7 End 8 Rotating drive shaft 9 External drainage pipe 10 Motor 11 Rotating shaft 12 Case body 13 Rim 14 Electromagnetic valve 15 Control part D Soil

Claims (1)

  A movable trap, which is housed in the case body and is equipped with a rotary valve with one end as a free end, is connected to the drain outlet of the toilet body through the case body opening at the other end, and this movable trap has a free end. It can be opened and closed by the rotation of the rotary valve that accompanies the rotation of the motor-driven rotary drive shaft, and the end of the movable trap that is in the upward position during initial water flow is rotated downward when filth is discharged. This is a rotary trap type flush toilet that is drained, and at the time of initial water flow, the end of the movable trap that is in the upward position is rotated downward with the rotary valve closed when discharging waste, and then the rotary valve is rotated. A flush toilet comprising a movable trap opening and closing mechanism that opens the end of the movable trap so that washing water and filth are discharged.

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