KR200438551Y1 - A toilet stool having equipment of removing odour and preventing its backflow - Google Patents

Abstract

The present invention relates to a toilet for removing odor and preventing backflow thereof. More specifically, the manufacturing cost can be prevented by preventing odor from flowing back even through close contact between the discharge air pressure and the tube without a special filter means or a valve device. The present invention relates to a toilet for eliminating odor and preventing backflow thereof that can significantly reduce maintenance costs.

To this end, the present invention includes a odor removal device for removing odors remaining in the toilet bowl and at the same time to prevent backflow of odors. The odor removal device is provided at the bottom of the toilet seat to suck odors in the toilet body. Suction damper; A seat body provided at an upper side of the toilet body and having a predetermined part accommodation space therein; An exhaust induction pipe provided in the seat body; A fan motor for guiding the odor sucked through the suction damper to the discharge induction pipe; A discharge pipe for discharging odor discharged after flowing along the discharge induction pipe to a septic tank; And an air tube provided in the discharge induction pipe, the air tube configured to fold in the discharge induction pipe based on the pressure of the air according to the on / off operation of the fan motor to selectively control the reverse flow of the odor. Characterized in that it comprises a.

 Toilet, toilet, odor, removal, backflow, prevention, tube, fan motor, valve, air pressure, tube

Description

Toilet bowl for removing odor and preventing backflow {A TOILET STOOL HAVING EQUIPMENT OF REMOVING ODOUR AND PREVENTING ITS BACKFLOW}

1 is an exploded perspective view showing the overall configuration of the toilet with a forced odor removing function according to the prior art,

Figure 2 is a side cross-sectional view showing the configuration of the toilet having a forced odor removing function according to the prior art,

Figure 3 is an exploded perspective view showing the premise of the toilet for removing the odor and prevention of backflow according to the present invention,

Figure 4 is a rear perspective view showing the rear configuration of the toilet for removing malodor and its backflow according to the present invention,

Figure 5a is a left side cross-sectional view showing the lateral configuration of the toilet for removing odor and prevention of backflow according to the present invention,

Figure 5b is a right side cross-sectional view showing the lateral configuration of the toilet for removing malodor and its backflow according to the present invention,

Figure 6a is a plan cross-sectional view showing a planar configuration of the toilet for removing the odor and prevention of backflow according to the present invention,

Figure 6b is a front view showing the planar configuration of the toilet for removing the malodor and prevention of backflow according to the present invention,

7A is a structural diagram of a discharge induction pipe region in a toilet for removing odor and preventing backflow thereof according to the present invention;

7b and 7c are views for explaining the operation of the air tube, respectively,

8 is a graph showing a correlation between fan motor speed and time;

9 is a view for explaining the operation of the fan motor.

* Explanation of symbols for the main parts of the drawings

A: toilet 2: toilet body

4: odor removing device 12: base

23: seat cover 31: tank body

41: suction damper 42: fan motor

44: discharge induction pipe 44a, 44b: unit pipe

44c: rounded protrusion 45: discharge pipe

48 control unit 60 air tube

70: seating detection sensor 72: water drop detection sensor

The present invention relates to a toilet for removing odor and preventing backflow thereof. More specifically, the present invention is manufactured by preventing odor from being reversed even in close contact with exhaust air pressure and a tube without a special filter means or a valve device. The present invention relates to a toilet for eliminating odor and preventing backflow thereof, which can significantly reduce costs or maintenance costs.

A toilet stool refers to a Western-style flush toilet in which a person's stool is seen while sitting on it, and the user uses a toilet for stool or urine. A seat that can be easily seated, a toilet bowl for draining the feces with the supply water and then drained into the septic tank, and a low tank for supplying / storing / draining the supply water provided at the upper end thereof so that the feces are discharged to the septic tank. It is usually well known that it consists of a combination of (low tanks).

When stool, which is a physiological phenomenon of humans, is excreted from the human body (anus), it immediately smells as soon as the animal nourishs food and sends its waste out of the body. That is, most of the odor is exuded during the extreme time when the user's seated on the seat described above falls into the excretion space of the toilet body in which a small amount of supply water is drained by fresh water. Even after diving to the bottom of the space, bubbles are blown into the toilet (bath).

On the other hand, in order to minimize the spread of the odor, some people have to increase the waste of water by operating the operation button (or lever) provided on one side of the low tank at the same time as the toilet, and the effect of removing the odor is insignificant. It has been pointed out that the user still has a problem of discomfort.

In order to solve these problems, in Korean Patent No. 10-491641, after sitting on the toilet seat and forcibly sucked out the odor generated during the toilet, the forced suction is discharged to the outside through the drainage line caused by the odor Toilets have been provided with a forced odor removal function to improve the discomfort.

1 is an exploded perspective view showing the overall configuration of the toilet having a forced odor removing function according to the prior art, Figure 2 is a side cross-sectional view showing the configuration of a toilet having a forced odor removing function according to the prior art.

As shown in the figure, a toilet having a conventional odor forcible removal function, a plurality of rotary tubes 910 rotatably coupled to the toilet body 903 behind the seat 901 described above; A plurality of odor suction holes 912 are formed on the bottom of the seat 901, and at the same time, a plurality of odor suction holes 912 are formed from the plurality of smell suction holes 912 into the plurality of rotary tubes 910. A first smell suction hose 920; First and second fastening portions 921a and 921b are placed at the ends of the first smell suction hose 920, and one end of the airtight cover 931 and the second smell suction hose 932 are coupled to each of them. A connection hole 903b having a step is formed at one end of the drain pipe 903a of the toilet body 903, and the third hole 933a is inserted into the drain pipe 903a while having a third fastening portion 933a at the connection hole 903b. While installing the bent tube 933 to be connected to one end of the third breath suction hose 934 to the third fastening portion (933a) of the bent tube (933), the outer side of the toilet body (903) A suction motor 940 installed; The other end of the second and third odor suction hoses 932 and 934 is connected to the suction motor 940 and the odor discharged by the suction pump 940 to the third odor suction hose 934. The solenoid valve 960 to prevent backflow.

According to the conventional toilet having a forced odor removing function, as shown in Figure 2, the solenoid valve 960 is opened with the suction operation of the suction pump 940 when the user's toilet, thereby, around the toilet body 903 Odor is forced into the first odor suction hose 920 through the odor suction hole 912 of the pedestal 901.

Subsequently, the odor forcedly sucked into the first breath suction hose 920 passes through the suction motor 940 along the second breath suction hose 932, and again, the third breath suction hose 934 and the third breath suction hose 920. Discharge is made to the inside of the drain pipe 903a through the fastening part 933a and the bending pipe 933.

However, the pedestal 901 and the second and third breath suction hoses 932 and 934 and the suction motor 940 provided with the first smell suction hose 920 having a plurality of odor suction holes 912 are bent. Although the odor can be discharged to the outside to the drainage pipe 903a to some extent through the pipe 933, the structure that does not take into account the characteristics of the gas flow, that is, a plurality of the first odor suction hose 920 is formed at a predetermined interval Dispersion through the odor suction hole 912 is not possible to achieve the perfect odor inhalation due to the inability to achieve a smooth gas flow around, there is a closed end of the generation of air friction noise and increased load on the suction motor.

In addition, the toilet body made of ceramics (magnetic) by exposing a large number of components, such as the second and third odor suction hoses 932 and 934, the suction motor 940 and the solenoid valve 960, to the outside. There is a problem in that it is not easy to assemble and combine (903) to endure unnecessary manufacturing and maintenance expenses.

Moreover, in the means for preventing the discharge of the odor discharged back, the increase in the manufacturing cost and the lack of durability and maintenance of the product by employing the solenoid valve 960 of a complicated structure poses problems.

The object of the present invention is to eliminate odors and to reduce the manufacturing costs or maintenance costs by preventing the backflow of odors even by the close action of the discharge air pressure and the tube without a special filter means or a valve device and its To provide a toilet for preventing backflow.

The object of the present invention includes a odor removing device that removes odors remaining in the toilet and prevents the backflow of odors. The odor removing device includes: a suction damper provided at a lower end of the toilet seat to suck odors in the toilet body; A seat body provided at an upper side of the toilet body and having a predetermined part accommodation space therein; An exhaust induction pipe provided in the seat body; A fan motor for guiding the odor sucked through the suction damper to the discharge induction pipe; A discharge pipe for discharging odor discharged after flowing along the discharge induction pipe to a septic tank; And an air tube provided in the discharge induction pipe, the air tube configured to fold in the discharge induction pipe based on the pressure of the air according to the on / off operation of the fan motor to selectively control the reverse flow of the odor. It is achieved by a toilet for removing odor and preventing backflow, characterized in that it comprises a.

Here, the inner wall of the discharge induction pipe region corresponding to the point where the air tube is folded may further include a rounded protrusion projecting toward the air tube and rounded at an end thereof.

The discharge induction pipe located around the rounded protrusion may further include an expansion space that allows a space in which the air tube is folded.

The discharge induction pipe in which the end of the air tube is located is further provided with a joint for separating the discharge induction pipe into a plurality of unit pipes, one end of the air tube may be provided with a weight addition.

The discharge induction pipe is made of a transparent or translucent material, the air tube may be a vinyl tube.

A seating detection sensor for detecting whether a user is seated on the seat; A water drop detection sensor configured to detect whether the water drop button provided in the low tank is operated; And a controller configured to control an on / off operation of the fan motor and its speed based on the sensing operation of the seating detection sensor and the water drop detection sensor.

The control unit turns on the operation of the fan motor based on a signal of the seating detection sensor that detects whether a user is seated on the seat, while the fan motor runs at a constant speed for the predetermined time. The fan motor may be controlled to have a relatively higher speed than the constant speed driving.

The controller may turn off the operation of the fan motor by recognizing a later signal among signals of the seating detection sensor that detects whether the user is absent from the seat and a signal of the water flushing sensor. The controller may be configured to provide a delay time to the fan motor so that the fan motor may be finally turned off after the fan motor is operated for a predetermined time after the detection of the later signal.

The suction damper may have a trumpet shape that gradually decreases in area from the inlet to the outlet.

The fan motor may be a vacuum wet motor.

The discharge pipe may be integrally formed with the toilet body made of pottery.

Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of the present invention. In the description of each embodiment, the same reference numerals are given to the same configurations.

Figure 3 is an exploded perspective view showing the premise configuration of the toilet for removing malodor and its backflow according to the present invention, Figure 4 is a rear perspective view showing a rear configuration of the toilet for removing malodor and its backflow according to the present invention, Figure 5a Figure 6 is a left sectional view showing the lateral configuration of the toilet for removing malodor and its backflow according to the present invention, Figure 5b is a right sectional view of the lateral configuration of a toilet for removing malodor and its backflow according to the present invention, Figure 6a Is a plan sectional view showing a planar configuration of the toilet for removing malodor and its backflow according to the present invention, Figure 6b is a front view showing a planar configuration of a toilet for removing malodor and its backflow according to the present invention, Figure 7a In the toilet for removing odor and prevention of backflow according to the present invention, the structural diagram of the discharge induction pipe region, Figure 7b and Figure 7c is an air tube, respectively 8 is a graph illustrating a correlation between fan motor speed and time, and FIG. 9 is a view for explaining the operation of the fan motor.

3 to 7C, the toilet A for removing odor and preventing backflow according to the present embodiment includes an excretory space 11 configured to contain feces (or urine) excreted in the human body during defecation. And a toilet body 1 made of a ceramic material having a supply pipe 12 and a trap pipe 13 for discharging the excrement to the outside, a seat 2 for the user to sit on the toilet, and an excretion space ( 11) and the low tank (3) stored in the supply water to be excreted easily to the outside through the trap tube 13, the toilet body (1) and the inside of the low tank (3) and trap tube (13) It includes a odor removing device (see 4, 6a to 7c) further provided on the outside.

The toilet body (1) and the base (2) and the low tank (3) is a component for forming a conventional toilet (A), as shown in Figures 3 and 4, the toilet body (1), when toilet It consists of a supply pipe 12 and a trap tube 13 for discharging the excretion space (11, the urine) to be contained therein to receive the feces to be discharged to the septic tank (not shown).

The seat 2 is coupled to surround the upper end of the excretion space 11 of the toilet body 1 in order to be easily seated by the user to see the toilet, the coupling bolt (not shown) on one upper end of the toilet body (1) Seat body 21 that is integrally coupled by a), the seat plate 22 to be hinged to one end of the seat body 21 to allow the user to sit, and the seat plate cover that can cover the upper portion of the seat plate 21 ( 23) is preferred. On the other hand, the seat body 21 is a place where the discharge induction pipe 44 which is an element of the odor removing device 4 to be described later in detail.

In view of this structure, the pedestal 2 can be employed as a so-called bidet. However, since the scope of the present invention is not limited thereto, even if a bidet is not provided, the odor removing device may be installed.

The low tank 3 has a tank body 31 provided therein so that the water storage space 3a for storing a certain amount of water is opened, and the tank body 31 for sealing the water storage space 3a. The tank cover 32 covering the upper portion and the water supplied / stored in the water storage space 3a are drained so that the feces contained in the excretion space 11 are discharged to the septic tank through the trap pipe 13 together with the supply water. The water down button 33 is provided.

In addition, the ball tap (3a) is coupled to the upper side of the bottom surface of the water storage space (3a) consisting of a mouth hole (3a-11), the support (3a-12) and the water supply valve (3a-13) for inlet / outlet of the feed water -1) and the supply water contained in the water storage space (3a) by the water down button 33 while allowing the water supplied from the water supply valves (3a-13) up to a predetermined level of the excretion space (11) A drain pipe 3a-2 is further provided with a siphon stopper 3a-21 to allow the excrement to be discharged to the septic tank.

On the other hand, the odor removing device 4 of the present embodiment is for preventing the discharge of the odor discharged back while being able to force the odor generated by the feces excreted in the body immediately to be completely discharged to the outside. The odor removing device 4 is mainly illustrated in FIGS. 7A to 9, which will be described.

The odor removing device 4 includes a suction damper 41, a discharge induction pipe 44, a fan motor 42, a discharge pipe 45, and an air tube 60.

Suction damper 41 is provided at the bottom of the base (2) of the toilet (A) serves to suck the odor in the toilet body (1). In other words, it forms a place where air such as odor generated when the user views the toilet is inhaled.

Therefore, the suction damper 41 is sufficient in the usual duct structure. However, in this embodiment, the suction damper 41 is manufactured to have a trumpet shape that gradually decreases in area from the inlet to the outlet in order to more effectively inhale odors (see FIG. 6A). Therefore, the suction efficiency of odor can be improved.

Of course, power is required for the odor to be sucked through the suction damper 41. The fan motor 42 is responsible for this. In this embodiment, the vacuum wet motor 42 is employed as the fan motor 42.

That is, odor may be sucked through the suction damper 41 based on the operation of the fan motor 42 that may be provided in the seat body 21 described above. The inhaled odor passes through the discharge induction pipe 44 provided in the parts accommodating space in the seat body 21, and then joins the septic tank through the discharge pipe 45. The seat main body 21 controls the on / off operation of the fan motor 42 and its speed based on the signals of the seating sensor 70 and the water flush sensor 72 which will be described later. The control unit 48 of the main circuit board is further provided. The function of the control part 48 is mentioned later.

The discharge induction pipe 44 serves to prevent the odor introduced from the fan motor 42 to be easily discharged to the outside through the discharge pipe 45, and prevents the discharged odor from flowing back. It is provided in the base body 21. One end of the discharge induction pipe 44 is connected to the fan motor 42 side and the other end is in communication with the discharge pipe 45.

For reference, the discharge pipe 45 may be formed as a separate pipe on the outside of the toilet body (1), in the present embodiment, so that the discharge pipe 45 is formed in one piece on the toilet body (1) made of a ceramic material Doing. In this case, there is an advantage that does not need to separately install the pipe for the discharge pipe (45).

On the other hand, the fan motor 42 is turned on (odor) in the excretion space 11 of the toilet body 1, the suction damper 41, the fan motor 42, the discharge induction pipe 44, the discharge pipe 45 ) And after the fan motor 42 is turned off, the odor toward the septic tank should not flow back toward the toilet bowl 1. If odor is reversed, the odor is inevitably generated in the toilet body 1 again.

In order to prevent this phenomenon, conventionally, a separate filter means or a valve device is provided. However, in the present embodiment, the backflow of the air is prevented only by the close contact between the discharge air pressure and the tube without such a structure to prevent the occurrence of odor.

To this end, the discharge induction pipe 44 is provided with an air tube (60). Air tube 60 is folded in the discharge induction pipe 44 based on the pressure of the air according to the on / off (On / Off) operation of the fan motor 42, the reverse flow of air, that is, the reverse flow of odor It selectively plays a role in cracking down. Therefore, the air tube 60 may be preferably made of a thin film-shaped vinyl paper, and the discharge induction pipe 44 is made of a transparent or translucent material from the viewpoint of maintenance, such as checking the operating state of the air tube 60 in the pipe. It can be made of PVC tubes.

The discharge induction pipe 44 at which the end of the air tube 60 is located is further provided with a joint 50 for separating the discharge induction pipe 44 into a plurality of unit pipes 44a and 44b. The joint 50 may be viewed as a normal union or may be viewed as about the connection socket 50 for pipes, as shown in the enlarged parts in FIGS. 7A to 7C. The pipe connecting socket 50 is open inside, and the flange part 50a is provided in the center area inside. Accordingly, the end portions of the plurality of unit pipes 44a and 44b may be assembled while being in close contact with both surfaces of the flange portion 50a.

And the other end of the air tube 60 is provided with a weight (62). Weight 62 is manufactured in a substantially ring (ring) shape, and serves to prevent the shaking of the air tube 60 in the corresponding position.

The inner wall of the region of the discharge induction pipe 44 corresponding to the point where the air tube 60 is folded is formed with a rounding protrusion 44c protruding toward the air tube 60 and rounded at an end thereof. In addition, in the discharge induction pipe 44 positioned in front of the rounding protrusion 44c along the direction in which air is discharged to the septic tank, an expansion space portion 44d is further formed to allow a space in which the air tube 60 is folded.

Accordingly, the fan motor 42 is turned on by the action of the control unit 48 described above, so that the odor in the toilet body 1 is absorbed by the suction damper 41, the fan motor 42, and the discharge induction pipe 44. ), The air tube 60 is unfolded as shown in FIGS. 7A and 7C by the air pressure, and thus the odor is directed to the discharge pipe 50 and the septic tank through the air tube 60.

However, since the air pressure disappears when the fan motor 42 is off, the air tube 60 including the weight 62 is formed by the weight of the weight 62 provided at the end of the air tube 60. ) Is folded while being bent downward in the expansion space 44d (see FIGS. 7A and 7B). At this time, the folded portion can be disposed on the rounded protrusion 44c, thereby preventing the air tube 60 from being damaged.

On the other hand, as mentioned earlier briefly, when viewed in connection with the operation of the fan motor 42, the toilet seat (A) of the present embodiment seating detection sensor 70 for detecting whether the user is seated on the pedestal (2) And, based on the sensing operation of the water drop sensor 72 for detecting the operation of the water down button 33 provided in the low tank (5), the seating sensor 70 and the water drop sensor 72 And a control unit 48 for controlling the on / off operation of the fan motor 42 and its speed.

At this time, the control unit 48, as shown in Figure 8 and 9, the fan motor 42 based on the signal of the seating detection sensor 70 that detects whether or not the user is seated on the seat 2 While the operation of the (On), the fan motor 42 controls the speed of the fan motor 42 to be relatively higher than the constant speed driving for a predetermined time until the constant speed driving.

In addition, the control unit 48 recognizes a later signal from the signal of the seating detection sensor 70 that detects whether or not the user is absent from the base 2, and the signal of the water flushing sensor 72, the fan motor 42 ), But delay time t1 is applied to the fan motor 42 so that the fan motor 42 can be finally turned off after the fan motor 42 is operated for a predetermined time after the detection of a later signal. Control to provide.

The operation of the control unit 48 will be described in series with reference to the present embodiment as follows.

The user sits on the pedestal 2. Then, the seating detection sensor 70 detects this (S1), and sends this signal to the controller 48. Then, the control unit 48 turns on the fan motor 42 (S4). When the fan motor 42 is turned on and the odor in the toilet body 1 is directed to the suction damper 20, the fan motor 42, and the discharge induction pipe 44, the air tube 60 is caused by such air pressure. 7A and 7C are unfolded, and thus air is directed to the discharge pipe 50 and the septic tank through the air tube 60.

On the other hand, in order to unfold the air tube 60 as shown in (a) of FIG. 7A, the air tube 60 must move to the position (a) in the state where it was in the position (b). Therefore, during initial operation, some air pressure may be required for removing the load, that is, after the air tube 60 is raised to the position (a), it may be provided with a smaller proper air pressure.

Therefore, when the fan motor 42 is turned on (S4), the control unit 48 operates the fan motor 42 so that the fan motor 42 produces a speed higher than the speed of the constant speed driving to remove the load ( S4). Of course, this time runs for a predetermined setting time t, for example approximately 2-3 seconds. That is, after 2 to 3 seconds, the control unit 48 controls the fan motor 42 so that the fan motor 42 can run at constant speed (S5).

When the user who has finished the toilet operates the water down button 33 and escapes from the pedestal 2, the user usually performs the water down and escapes. Therefore, when looking at the front and rear of the signal, as shown in Figure 9, the signal (S2) of the seating detection sensor 70 that detects the absence of stone than the signal (S3) by the water drop detection sensor 72 is a later signal It is.

Among these signals, the controller 48 detects a signal S2 of the seating detection sensor 70 that detects the later stone, which is a later signal (S6), and controls the fan motor 42 to be off. However, the fan motor 42 is not immediately turned off. That is, after a predetermined delay time t1 elapses from the signal S2 of the seating detection sensor 70 that detects the absence of stone, the fan motor 42 is controlled to be completely turned off. The delay time t1 may be about 3 to 4 seconds.

After the delay time t1 has elapsed and the fan motor 42 is completely turned off, the air pressure disappears. At this time, the weight is caused by the weight of the weight 62 provided at the end of the air tube 60. One region of the air tube 60 including the 62 is folded while being folded downward in the expansion space 44d (see (b) of FIG. 7A). Therefore, the phenomenon of backflow of odor from the septic tank can be effectively prevented.

Thus, according to this embodiment, it is possible to significantly reduce the manufacturing cost or maintenance cost by preventing the odor backflow only by the action of the discharge air pressure and gravity without a special filter means or valve device as in the prior art Will be.

Although the description is omitted in the above embodiment, the fan motor can be operated manually, it can also be used for general ventilation in the bathroom outside the toilet.

As such, the present invention is not limited to the described embodiments, and it is apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit and scope of the present invention. Therefore, such modifications or variations will have to belong to the utility model registration claims of the present invention.

As described above, according to the present invention, it is possible to drastically reduce the manufacturing cost or the maintenance cost by making it possible to prevent backflow of odors even by the close action of the discharge air pressure and the tube without a special filter means or a valve device. It works.

Claims (11)

It includes a odor removing device for removing the odor remaining in the toilet bowl and at the same time prevents the back flow of odor, The odor removing device, A suction damper provided at a lower end of the toilet seat to suck odors in the toilet body; A seat body provided at an upper side of the toilet body and having a predetermined part accommodation space therein; An exhaust induction pipe provided in the seat body; A fan motor for guiding the odor sucked through the suction damper to the discharge induction pipe; A discharge pipe for discharging odor discharged after flowing along the discharge induction pipe to a septic tank; And An air tube provided in the discharge induction pipe and folding in the discharge induction pipe based on the pressure of the air according to the on / off operation of the fan motor to selectively control the reverse flow of odor; Toilet bowl for odor removal and its backflow comprising a. The method of claim 1, The inner wall of the discharge induction pipe region corresponding to the point where the air tube is folded, further comprises a rounded protrusion protruding toward the air tube and rounded end is formed toilet bowl for preventing odor and its backflow . The method of claim 2, The toilet for removing odor and preventing backflow, characterized in that the discharge induction pipe located in the vicinity of the rounded protrusion further comprises an expansion space for allowing a space in which the air tube is folded. The method of claim 1, The discharge induction pipe in which the end of the air tube is located is further provided with a joint for separating the discharge induction pipe into a plurality of unit pipes, A toilet for removing odor and preventing backflow, characterized in that a weight is provided at one end of the air tube. The method of claim 1, The discharge induction pipe is made of a transparent or semi-transparent material, the air tube is a toilet for removing odor and its backflow, characterized in that the vinyl tube. The method of claim 1, A seating detection sensor for detecting whether a user is seated on the seat; A water drop detection sensor configured to detect whether the water drop button provided in the low tank is operated; And Odor removal and backflow prevention further comprises a control unit for controlling the on / off (On / Off) operation of the fan motor and its speed based on the sensing operation of the seating sensor and the water drop detection sensor Toilet bowl for. The method of claim 6, The control unit, The fan motor is turned on based on a signal of the seating sensor which detects whether a user is seated on the seat, and the fan motor is operated for a predetermined time until the fan motor is driven at constant speed. A toilet for removing odor and preventing backflow thereof, characterized in that the speed is controlled to be relatively higher than the constant speed driving. The method of claim 7, wherein The controller may turn off the operation of the fan motor by recognizing a later signal among signals of the seating detection sensor that detects whether the user is absent from the seat and a signal of the water flushing sensor. And controlling the fan motor to provide a delay time so that the fan motor can be finally turned off after the fan motor is operated for a predetermined time after the detection of the later signal. Toilet for. The method of claim 1, The suction damper is a toilet for removing odor and its backflow characterized in that it has a trumpet shape that gradually decreases in area from the inlet to the outlet. The method of claim 1, The fan motor is a toilet for removing malodor and its backflow, characterized in that the vacuum wet motor. The method of claim 1, The discharge pipe is a toilet for removing odor and its backflow, characterized in that formed integrally with the toilet body made of pottery.

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