JP2000129748A - Deodorizing device for toilet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To surely and automatically eliminate a bad odor while preventing diffusion of it in a toilet. SOLUTION: One end part 2a of a suction pipe 2 is opened in a toilet stool 1, the other end part 2b of the suction pipe 2 is folded in an inverse U shape to be inserted into water W in a water storage tank 3, and a fan 4 is provided in the suction pipe 2 to suck air in the toilet stool 1 to be fed into the water W. A pushbutton switch 8 to actuate the fan 4 is disposed in a gap between the toilet stool 1 and a toilet seat 9 provided with leg parts 9a placed on it.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a deodorizing apparatus for a toilet for sucking and removing odor generated in a toilet bowl.

[0002]

2. Description of the Related Art Conventionally, in order to deodorize odors generated by using a toilet, a container containing a deodorant has been arranged or a liquid deodorant has been sprayed with a spray can.

[0003]

In the above-mentioned conventional configuration,
Since the odor is diffused in the toilet, it takes time to deodorize the odor with the deodorant, which causes discomfort. Also, it is troublesome to spray a deodorant each time.

SUMMARY OF THE INVENTION In view of the above-mentioned drawbacks, an object of the present invention is to reliably and automatically deodorize an odor so as not to diffuse into a toilet.

[0005]

The structure of the present invention for achieving the above object will be described with reference to the drawings corresponding to the embodiments. And the other end of the intake pipe is inserted into water, and a fan for sucking air in the toilet bowl and sending it into the water is interposed in the intake pipe.

According to the above configuration, the air in the toilet is sucked by the intake pipe by operating the fan, so that the odor generated by using the toilet diffuses from the toilet to the outside. No discomfort due to odor. Further, by blowing the odor sucked by the intake pipe into the water, the odor component such as ammonia is dissolved in the water and deodorized, whereby the odor can be surely and automatically deodorized.

According to a second aspect of the present invention, in the flush toilet with a water storage tank, one end of an intake pipe is opened in the toilet bowl, and the other end of the intake pipe is bent in an inverted U-shape. A fan is inserted into the water in the tank, a fan for sucking air in the toilet bowl into the intake pipe and sending it into the water is provided, and an operation switch for the fan is provided.

According to the above configuration, deodorization is performed using water stored in the water storage tank of the flush toilet, so that the configuration is simple and the production cost can be reduced. By operating the fan only for the time required for deodorization by the operation switch, the cost can be reduced.

According to a third aspect of the present invention, in the flush toilet without a water storage tank, a water tank is provided near the toilet, one end of the intake pipe is opened in the toilet, and the other end of the intake pipe is connected to the toilet. A fan is inserted into the water in the water tank, and a fan for sucking the air in the toilet bowl into the intake pipe and sending the air into the water is provided, and an operation switch for the fan is provided.

According to the above configuration, even in a flush toilet without a water storage tank, a water tank is provided near the toilet, and the odor sucked from the toilet via the intake pipe is blown into the water in the water tank, thereby ensuring the reliability. Can be deodorized.

According to a fourth aspect of the present invention, in the third aspect of the invention, a water supply pipe and a drain pipe are connected to the water tank,
An end of the drain pipe is opened in the toilet.

[0012] According to the above configuration, the water containing the odor component in the water tank is drained into the toilet bowl through the drain pipe, and is stored in the water tank through the water supply pipe. The water does not smell and is sanitary.

According to a fifth aspect of the present invention, in the invention according to the fourth aspect, the water supply pipe is provided with an electromagnetic water supply valve, and the drainage pipe is provided with an electromagnetic water discharge valve. The fan is operated based on the ON operation, the fan is stopped based on the OFF operation of the operation switch, and then the drain valve is opened for a predetermined time to drain the water from the water tank. It is characterized in that a control unit composed of a microcomputer that controls to open the water for a predetermined time and supply water into the water tank is provided.

According to the above configuration, the ON / OFF of the operation switch is determined.
The operation of the fan and the replacement of water in the water tank can be automatically performed based on the OFF operation.

The invention according to claim 6 is the invention according to any one of claims 2 to 5, wherein the operation switch comprises a push button switch, and the push button switch is disposed between the toilet and the toilet seat; The push button switch is operated by elastically deforming the toilet seat by a load applied thereon.

According to the above configuration, the push button switch is operated only while the user is sitting on the toilet seat, and the fan can automatically deodorize.

According to a seventh aspect of the present invention, in any one of the second to fifth aspects of the present invention, the operation switch comprises an odor sensor.

According to the above configuration, the generation of odor can be detected by the odor sensor, and the fan can automatically deodorize based on the detection.

The invention according to claim 8 is the invention according to any one of claims 2 to 5, wherein the operation switch comprises an infrared sensor.

According to the above configuration, a person entering the toilet can be detected by the infrared sensor, and the fan can be automatically deodorized based on the detection.

According to a ninth aspect of the present invention, in the first aspect of the present invention, a check valve is provided downstream of the fan of the intake pipe.

According to the above configuration, it is possible to prevent the fan from being flooded by water entering the intake pipe by the check valve.

[0023]

Embodiments of the present invention will be described below with reference to the drawings. FIGS. 1 to 4 show a flush toilet with a water storage tank to which a deodorizing device according to an embodiment of the present invention is attached. One end 2 a of an intake pipe 2 is opened at an upper end in a toilet 1. And the other end 2 of the intake pipe 2
b is bent in an inverted U-shape and the underwater W in the water storage tank 3 is
The fan 4 and the check valve 5 are interposed downstream of the fan 4 in the intake pipe 2, and the fan 4 and the power source 6
A push button switch (operation switch) 8 interposed in an electric circuit 7 (see FIG. 4) connecting the toilet and the toilet is arranged in a gap between the toilet 1 and the toilet seat 9 with the leg 9a placed thereon. In addition, 10 is a toilet lid, 11 is a flushing lever provided on the side of the water storage tank 3, and 12 is a water pipe connected to the water storage tank 3.

In the above configuration, when the user sits on the toilet seat 9, the toilet seat 9 is elastically deformed by the weight of the user, the fan 4 is operated by the ON operation of the push button switch 8, and the toilet is used. The odor generated on the upper side of the inside 1 is sucked through the intake pipe 2 and blown into the water W in the water storage tank 3, and the odor is mixed into the water W and decomposed and absorbed, thereby being deodorized. After use, when the user moves away from the toilet seat 9, the operation of the fan 4 is stopped by the OFF operation of the push button switch 8. Next, by operating the flushing lever 11, the water in the water storage tank 3 is poured into the toilet bowl 1 and washed away, and subsequently, the water is stored in the water storage tank 3 via the water pipe 12.

According to the above configuration, the air in the toilet 1 is sucked by the intake pipe 2 by operating the fan 4, so that the odor generated by using the toilet is removed from the toilet 1. It does not diffuse to the outside and does not give unpleasant odor. Further, by blowing the odor sucked by the intake pipe 2 into the water W, odor components such as ammonia are dissolved in the water and deodorized.

Further, since deodorization is performed by using water stored in the water storage tank 3 of the flush toilet, the configuration is simple and the production cost can be reduced. Further, since the fan 4 is operated only by the time required for deodorization by the push button switch 8, the cost can be further reduced. In addition, the check valve 5 can prevent the water from entering the intake pipe 2 and immersing the fan 4 in water.

FIGS. 5 to 9 show a flush toilet without a water storage tank to which a deodorizing device according to another embodiment of the present invention is attached. The flush toilet has a vertical pipe 14b with a flush lever 14a.
The toilet 1 and a water source such as a water pipe are connected via a connection pipe 14 composed of a connector 14c and a horizontal pipe 14d, a water tank 15 is provided near the toilet 1, and the other end 2b of the intake pipe 2 is connected to a water tank. A water supply pipe 16 which is inserted into the water W in the inside 15 and branches off from the connector 14 c is connected to the upper part of the water tank 15 via an electromagnetic water supply valve 17, and one end of which is opened in the toilet 1.
8 is connected to the lower part of the water tank 15 via an electromagnetic drain valve 19, and an infrared sensor 20 is installed in front of the water tank 15 so as to face above the toilet seat 9 and includes a control unit 21 composed of a microcomputer. Are arranged on the side surface of the water tank 15. In the configuration other than the above, the same parts as those of the embodiment shown in FIGS. 1 to 4 are denoted by the same reference numerals, and description thereof will be omitted.

As shown in FIG. 8, the control section 21 controls the fan 4, the water supply valve 17 and the drain valve 19 based on a program stored in the memory 22 by an input signal from the sensor 20. .

The control operation of the control unit 21 will be described with reference to FIG. 9. In step S1, infrared rays are projected from the sensor 20 over the toilet seat 9 over a predetermined range α to search for a human body. When sitting on the toilet seat 9 in this state, the person sitting on the toilet seat 9 is sensed by the sensor 20,
The fan 4 is activated by the ON operation of the sensor 20 (S2), and the odor generated in the toilet 1 by using the toilet is sucked through the intake pipe 2 and blown into the water W in the water tank 15 to deodorize. Is done. After use, wash lever 14
By operating a and flushing it into the toilet 1,
By moving away from the toilet seat 9, the sensor 20 is turned off (S3), and the operation of the fan 4 is stopped (S3).
4) Then, the drain valve 19 is opened for a predetermined time and the water tank 15 is opened.
Then, the water supply valve 17 is opened for a predetermined time to supply water into the water tank 15 (S5).
6).

According to the above configuration, even in a flush toilet without a water storage tank, by providing the water tank 15 near the toilet 1, the odor sucked from the toilet 1 through the intake pipe 2 can be removed from the water in the water tank 15. By blowing it into the air, it is possible to surely deodorize. In addition, the water containing the odor component in the water tank 15 is drained into the toilet bowl 1 through the drain pipe 18 and stored in the water tank 15 through the water supply pipe 16. It does not smell and is sanitary. Further, the operation of the fan 4 and the replacement of water in the water tank 15 can be automatically performed based on the ON / OFF operation of the sensor 20.

In the above embodiment, the push button switch 8 and the infrared sensor 20 are used as the operation switches. However, the present invention is not limited to this. For example, an odor sensor that detects an odor component such as ammonia may be used. According to this, it is possible to automatically deodorize by detecting the generation of odor and operating the fan 4.

In addition, although a Western style toilet has been described as an example, the present invention can be applied to a Japanese style toilet.

[0033]

According to the first aspect of the present invention, the air in the toilet is sucked by the suction pipe by operating the fan, so that the odor generated by using the toilet can be reduced. It does not diffuse from inside to outside, and does not give any discomfort due to odor. Further, by blowing the odor sucked by the intake pipe into the water, the odor component such as ammonia is dissolved in the water and deodorized, whereby the odor can be surely and automatically deodorized.

According to the second aspect of the present invention, since deodorization is performed using water stored in the water storage tank of the flush toilet, the configuration is simple and the production cost can be reduced. By operating the fan only for the time required for deodorization by the operation switch, the cost can be reduced.

According to the third aspect of the present invention, even in a flush toilet without a water storage tank, a water tank is provided near the toilet.
By blowing the odor sucked from the toilet through the intake pipe into the water in the water tank, the odor can be reliably deodorized.

According to the fourth aspect of the present invention, the water containing the odor component in the water tank is drained into the toilet bowl through the drain pipe, and is stored in the water tank through the water supply pipe. The water in the aquarium does not smell and is sanitary.

According to the fifth aspect of the present invention, the water in the fan and the water tank can be automatically replaced based on the ON / OFF operation of the operation switch.

According to the sixth aspect of the present invention, the push button switch is operated only while sitting on the toilet seat, and the fan can automatically deodorize.

According to the present invention, the generation of odor can be detected by the odor sensor, and the fan can automatically deodorize based on the detection.

According to the eighth aspect of the present invention, a person entering the toilet can be detected by the infrared sensor, and the fan can be automatically deodorized based on the detection.

According to the ninth aspect of the present invention, it is possible to prevent the water from entering the intake pipe and immersing the fan in the water by the check valve.

[Brief description of the drawings]

FIG. 1 is a front view of a flush toilet with a water storage tank to which a deodorizing device according to an embodiment of the present invention is attached.

FIG. 2 is a side view of the same.

FIG. 3 is a plan view of the same.

FIG. 4 is the same electric circuit diagram.

FIG. 5 is a front view of a flush toilet without a water storage tank to which a deodorizing device according to another embodiment of the present invention is attached.

FIG. 6 is a side view of the same.

FIG. 7 is a plan view of the same.

FIG. 8 is a block diagram showing a control operation of the control unit.

FIG. 9 is a flowchart showing a control operation of the control unit.

[Explanation of symbols]

 Reference Signs List 1 toilet 2 intake pipe 3 water storage tank 4 fan 5 check valve 8 push button switch (operation switch) 9 toilet seat 15 water tank 16 water supply pipe 17 electromagnetic water supply valve 18 drainage pipe 19 electromagnetic drainage valve 20 infrared sensor (operation switch) 21 Control unit

Claims (9)

[Claims] 1. A fan for opening one end of an intake pipe into a toilet bowl, inserting the other end of the intake pipe into water, and sucking air in the toilet bowl into the intake pipe to feed the water into the water. A toilet deodorizing device, which is interposed. 2. In a flush toilet with a water storage tank, one end of an intake pipe is opened in the toilet bowl, and the other end of the intake pipe is bent into an inverted U shape and inserted into the water in the water storage tank. A deodorizing device for a toilet, characterized in that a fan for sucking air in a toilet bowl and sending it into water is interposed in the intake pipe, and an operation switch for the fan is provided. 3. A flush toilet without a water storage tank, wherein a water tank is provided near the toilet, one end of an intake pipe is opened in the toilet, and the other end of the intake pipe is inserted into water in the water tank. A deodorizing device for a toilet, characterized in that a fan for sucking air in a toilet bowl and sending it into water is interposed in the intake pipe, and an operation switch for the fan is provided. 4. The deodorizing apparatus for a toilet according to claim 3, wherein a water supply pipe and a drain pipe are connected to the water tank, and an end of the drain pipe is opened in the toilet. 5. An electromagnetic water supply valve is provided on the water supply pipe, and an electromagnetic water discharge valve is provided on the drain pipe.
Activating the fan based on the ON operation of the operation switch, stopping the fan based on the OFF operation of the operation switch, and then opening the drain valve for a predetermined time to drain the water from the water tank, 5. The deodorizing device for a toilet according to claim 4, further comprising a control unit including a microcomputer that controls the water supply valve to be opened for a predetermined time to supply water into the water tank. 6. The operation switch comprises a push button switch, the push button switch is disposed between a toilet and a toilet seat, and the toilet seat is elastically deformed by a load applied thereon, so that the push button switch is The toilet deodorizing device according to any one of claims 2 to 5, wherein the device is operated. 7. The toilet deodorizing device according to claim 2, wherein the operation switch comprises an odor sensor. 8. The toilet deodorizing device according to claim 2, wherein the operation switch comprises an infrared sensor. 9. The toilet deodorizing apparatus according to claim 1, wherein a check valve is provided downstream of the fan of the intake pipe.