CN211547946U

CN211547946U - Toilet deodorization device and mounting structure

Info

Publication number: CN211547946U
Application number: CN201921385907.9U
Authority: CN
Inventors: 苏家云
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-09-22
Anticipated expiration: 2029-08-23

Abstract

The utility model relates to a closestool deodorizing device and mounting structure, closestool deodorizing device include the air pump, control air pump operation the controller, with intake pipe and the blast pipe of air pump intercommunication, the one end of intake pipe is connected on the air pump air inlet, and the other end extends to the closestool mouth, the one end of blast pipe is connected on the gas vent of air pump, and the other end is used for communicateing sewage pipes. The mounting structure is that the one end that blast pipe and sewage pipes communicate is connected on the fixed orifices of closestool bottom, with closestool bottom cavity intercommunication, the blast pipe passes through the cavity of closestool bottom and is communicated with the sewage pipes that are located the cavity. When people use the closestool, the controller is utilized to open the air pump to exhaust air, the air in the closestool is pumped out through the air inlet pipe and is conveyed into the sewage discharge pipeline through the exhaust pipe, and therefore the phenomenon that the peculiar smell emitted from the human body to the liquid in the closestool by people when people use the closestool is diffused to the outside of the closestool to pollute the indoor environment is effectively avoided.

Description

Toilet deodorization device and mounting structure

The technical field is as follows:

the utility model relates to a closestool deodorizing device and mounting structure.

Background art:

the toilet bowl stops the diffusion of peculiar smell in a sewage discharge pipeline in a liquid sealing mode, so that the peculiar smell cannot be generated in a toilet, but when people use the toilet bowl, particularly in the process of defecating, a large amount of peculiar smell can be generated to pollute the indoor environment, and in order to eliminate the peculiar smell generated in the defecating process, the utility model 'a toilet bowl fragrance increasing and deodorizing device' (with the patent number of ZL 201720608379.3) discloses a technical scheme, wherein foam is injected into the toilet bowl, and excrement is covered by the foam, so that the peculiar smell of the excrement is prevented from being emitted into the air, and the peculiar smell generated in the defecating process is eliminated.

However, the method of covering excrement with foam cannot completely eliminate the odor generated in the excrement process, and researches show that most of the odor is generated from the distance between human body and foam in the excrement process, so that how to further eliminate the odor generated by excrement from human body to foam is the technical problem to be solved by the invention.

The utility model has the following contents:

the utility model discloses the technical problem who at first will solve is: provides a toilet deodorizing device which can eliminate the diffusion of peculiar smell in the process of defecation.

In order to solve the technical problem, the utility model discloses a technical scheme is: closestool deodorizing device, including air pump, the controller of control air pump operation, with intake pipe and the blast pipe of air pump intercommunication, the one end of intake pipe is connected on the air pump air inlet, and the other end extends to the closestool mouth, the one end of blast pipe is connected on the gas vent of air pump, and the other end is used for communicateing sewage pipes.

As a preferred scheme, the controller comprises a human body sensor and a single chip microcomputer which are connected with each other, the air pump is electrically connected with the single chip microcomputer, the single chip microcomputer receives signals sent by the human body sensor, and the air pump is controlled to be started and closed according to the signals.

As a preferred scheme, be connected with a two three way solenoid valve on the blast pipe, this two three way solenoid valve's entry and first export are established ties respectively on the blast pipe, and the second export communicates with an inclosed foaming jar through a foaming pipe, and the storage has foaming liquid in the foaming jar, is provided with the check valve on the foaming pipe, and the liquid level in the foaming jar is higher than the foaming pipe end, still is connected with a foam conveyer pipe on the foaming jar body that is located the liquid level top, and this foam conveyer pipe communicates in the closestool, two three way solenoid valve and singlechip electric connection are controlled by the singlechip.

As a preferred scheme, be connected with a first solenoid valve on the blast pipe, the blast pipe that is located between first solenoid valve and the air pump is last to communicate to have a foaming pipe, foaming pipe and an inclosed foaming jar intercommunication, be provided with the second solenoid valve on the foaming pipe, foaming liquid is stored to the foaming jar in, be provided with the check valve unanimous with the air current direction on the foaming pipe between second solenoid valve and the foaming jar, the liquid level in the foaming jar is higher than the foaming pipe end, still be connected with a foam conveyer pipe on the foaming jar body that is located the liquid level top, this foam conveyer pipe communicates in the closestool, first solenoid valve and second solenoid valve respectively with singlechip electric connection, be controlled by the singlechip.

As a preferred scheme, the exhaust pipe is connected with a silencing box, the silencing box is a hollow closed box body, an inlet and an outlet are arranged on the box body of the silencing box, the inlet and the outlet are staggered with each other, and the inlet and the outlet are respectively communicated with the exhaust pipe.

The utility model discloses the technical problem that further solve is: provides a mounting structure for connecting the toilet deodorization device and the toilet.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides an installation structure of above-mentioned closestool deodorizing device and closestool, the one end of blast pipe and sewage pipes intercommunication is connected on the fixed orifices of closestool bottom, with closestool bottom cavity intercommunication, the blast pipe passes through the cavity of closestool bottom and is located the sewage pipes intercommunication of cavity.

Preferably, the sewage connector at the bottom of the toilet bowl is inserted into the upper opening of the sewage pipeline, and a gap is reserved between the outer side wall of the sewage connector and the inner side wall of the sewage pipeline, so that the cavity is communicated with the inside of the sewage pipeline.

As a preferred scheme, an exhaust hole is formed in the upper opening of the sewage discharge pipeline, and the exhaust pipe penetrates through the fixing hole and then is in butt joint with the exhaust hole.

As a preferred scheme, the pipe end of the air inlet pipe is fixed between the upper edge of the toilet and the seat ring, the pipe end of the air inlet pipe faces the upper opening of the toilet, the foam conveying pipe extends to the upper opening of the toilet through a gap between the upper edge of the toilet and the seat ring, the end part of the foam conveying pipe is connected with an elbow, and one end, far away from the foam conveying pipe, of the elbow faces the bottom of the toilet.

The utility model has the advantages that: through setting up air pump, intake pipe and blast pipe, when the people used the closestool, utilize the controller to open the air pump and bleed, take the inside gas of closestool out and carry the sewage pipes in through the blast pipe through the intake pipe to effectively avoid the people when using the closestool the peculiar smell that the excrement distributes out from the human body to between the inside liquid of closestool spreads the pollution indoor environment outside the closestool.

The utility model discloses further start-up and the stop through human sensor and single chip microcomputer control air pump realize intellectuality.

The utility model discloses further intercommunication foaming pipe on the blast pipe to connect the foaming tank at the foaming pipe other end, take gaseous flow direction out through two three solenoid valve control air pumps, when need fill into the foam in to the closestool, by two three solenoid valve intercommunication blast pipes of controller control and foaming pipe, make gaseous entering foaming tank, with the foaming of foaming liquid, the foam come-up and from the foam conveyer pipe get into in the closestool, cover the excrement in the closestool, avoid the excrement further to give off the peculiar smell.

The utility model also provides a connect the substitution of foaming jar, adopt first solenoid valve and second solenoid valve to replace two three way solenoid valves, can realize the control to gas transmission direction equally.

The utility model discloses further through connect the amortization box on the blast pipe to greatly reduced the noise that produces when the blast pipe exhausts, made equipment move quieter.

The utility model discloses a be connected blast pipe and closestool fixed orifices, through the cavity of closestool bottom and the sewage pipes intercommunication of closestool bottom, mounting structure is succinct like this to need not change the closestool that has already been installed, make the accommodation of closestool deodorizing device of the invention wider.

The utility model discloses still through passing the blast pipe fixed orifices, set up the exhaust hole on the sewage pipes of toilet lid bottom, with blast pipe and exhaust hole intercommunication to carry out the gaseous discharge of peculiar smell more reliably.

The utility model discloses advance through the pipe end setting with the intake pipe on toilet seat and closestool between the edge, can live the intake pipe by family through toilet seat, it is fixed to keep the intake pipe, set up the intake pipe end under toilet seat, and just to the closestool mouth, thus, just can realize the extraction to the inside peculiar smell of closestool, avoid the intake pipe to go deep into the closestool and be polluted, and is the same, also set up the foam conveyer pipe on toilet seat and closestool between the edge, foam conveyer pipe tip extends to closestool mouth edge and connects an elbow, the elbow is bent to in the closestool, thereby spout the foam inside the closestool, and thus, the foam conveyer pipe also can not be polluted, keep the cleanness of blast pipe and foam conveyer pipe.

Description of the drawings:

the following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:

FIG. 1 is a schematic view of a toilet deodorizing device and a toilet mounting structure;

FIG. 2 is a schematic view of another toilet deodorizing device and its mounting structure;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic view of a third toilet deodorizing device and a toilet mounting structure.

In fig. 1 to 4: 1. the air pump, 101, the air inlet, 102, the gas vent, 2, the controller, 201, the human body inductor, 202, the singlechip, 3, the intake pipe, 4, the blast pipe, 5, the closestool, 501, the fixed orifices, 502, the cavity, 503, blowdown connector, 504, the seat circle, 6, the blowdown pipeline, 7, two-position three way solenoid valve, 701, the entry, 702, first export, 702, the second export, 8, the foaming pipe, 9, the foaming jar, 10, the foaming liquid, 11, the check valve, 12, the foam conveyer pipe, 13, first solenoid valve, 14, the second solenoid valve, 15, amortization box, 1501, the import, 1502, the export, 16, the exhaust hole, 17, the elbow.

The specific implementation mode is as follows:

the following describes in detail a specific embodiment of the present invention with reference to the drawings.

Example 1:

the toilet deodorization device shown in fig. 1 comprises an air pump 1, a controller 2 for controlling the operation of the air pump 1, an air inlet pipe 3 communicated with the air pump 1 and an exhaust pipe 4, wherein one end of the air inlet pipe 3 is connected to an air inlet 101 of the air pump 1, the other end of the air inlet pipe extends to a mouth of the toilet 5, one end of the exhaust pipe 4 is connected to an air outlet 102 of the air pump 1, and the other end of the exhaust pipe is used for communicating a sewage discharge pipeline 6.

In this embodiment, the controller 2 includes the human body sensor 201 and the single chip 202 connected to each other, and the human body sensor 201 and the single chip 202 may be integrated together and installed on a wall on the side of the toilet bowl 5, and if there is no wall on the side of the toilet bowl, the human body sensor 201 may be fixed by installing a bracket. The air pump 1 is electrically connected with the single chip microcomputer 202, and the single chip microcomputer 202 receives signals sent by the human body sensor 201 and controls the air pump 1 to be started and closed according to the signals.

However, in the specific implementation process, the controller 2 may also be a switch, and is connected in series in the control circuit of the air pump 1, when the air needs to be pumped into the toilet, the air pump 1 is manually turned on, and after the toilet is used, the switch is manually turned off, and the air pump 1 stops working.

Through setting up air pump 1, intake pipe 3 and blast pipe 4, when the people used closestool 5, utilize controller 2 to open air pump 1 and bleed, take 5 inside gases of closestool out and carry sewage pipes 6 in through blast pipe 4 through intake pipe 3 to effectively avoid the people when using closestool 5 the peculiar smell that the excrement distributes out from the human body to between 5 inside liquid of closestool spreads the 5 outer polluted indoor environment of closestool.

In this embodiment, the installation structure of the toilet deodorization device and the toilet is: one end of the exhaust pipe 4 communicated with the sewage discharge pipeline 6 is connected to a fixing hole 501 at the bottom of the closestool 5 and communicated with a cavity 502 at the bottom of the closestool 5, and the exhaust pipe 4 is communicated with the sewage discharge pipeline 6 in the cavity 502 through the cavity 502 at the bottom of the closestool 5.

The pipe end of the air inlet pipe 3 is fixed between the upper edge of the closestool 5 and the seat ring 504, and the pipe end of the air inlet pipe 3 faces the upper opening of the closestool 5, so that the air in the closestool can be extracted, and the pollution to the air inlet pipe 3 can be avoided.

The exhaust pipe 4 is connected with the fixing hole 501 of the closestool 5 and is communicated with the sewage discharge pipeline 6 at the bottom of the closestool 5 through the cavity 502 at the bottom of the closestool 5, so that the installation structure is simple, the installed closestool 5 does not need to be changed, and the application range of the closestool deodorization device is wider.

The working process of the embodiment is as follows: the human body sensor 201 and the single chip microcomputer 202 are used for controlling the starting and stopping of the air pump 1, and intellectualization is achieved. When the human body sensor 201 senses that a person approaches the toilet bowl 5, a signal indicating starting is sent to the single chip microcomputer 202, the single chip microcomputer 202 is connected with a circuit of the air pump 1 after receiving the signal, the air pump 1 is started, when the human body sensor 201 senses that the person leaves the toilet bowl 5, a signal indicating closing is sent to the single chip microcomputer 202, the single chip microcomputer 202 disconnects the circuit of the air pump 1 after receiving the signal, and the air pump 1 stops working.

When the air pump 1 is started, air in the closestool 5 is pumped out through the air inlet pipe 3, and is discharged into the cavity 502 at the bottom of the closestool 5 through the exhaust pipe 4 and the fixing hole 501 of the closestool 5 and then into the sewage discharge pipeline 6, so that the phenomenon that the air in the closestool 5 is diffused out of the closestool 5 to pollute the indoor environment is avoided.

Generally, the sewage connector 503 at the bottom of the toilet 5 is inserted into the upper opening of the sewage pipeline 6, and a gap is left between the outer side wall of the sewage connector 503 and the inner side wall of the sewage pipeline 6, so that the cavity 502 is communicated with the inside of the sewage pipeline 6, and the exhaust pipe 4 can smoothly exhaust gas into the sewage pipeline 6.

When the mounting structure of this embodiment is adopted, firstly, the tightness between the sewage connector 503 and the sewage pipeline 6 can be tested, and the test method is as follows: the exhaust pipe 4 is connected to the fixing hole 501, a gap between the exhaust pipe 4 and the fixing hole 501 is sealed by using plasticine or other sealable objects, then the air pump 1 is started to continuously inflate the cavity 502, if the exhaust pipe 4 does not bounce, a gap is formed between the sewage discharge joint 503 and the sewage discharge pipeline 6, the air pump 1 can smoothly convey the pumped gas in the toilet bowl 5 into the sewage discharge pipeline 6, if the exhaust pipe 4 bounces, the air discharge joint 503 and the sewage discharge pipeline 6 are sealed, the gas cannot enter the sewage discharge pipeline 6, and the exhaust pipe 4 and the sewage discharge pipeline 6 need to be communicated through another installation mode. Another way can be seen in example 3.

Example 2:

as shown in fig. 2 and fig. 3, in this embodiment 2, on the basis of embodiment 1, a two-position three-way electromagnetic valve 7 and a silencing box 15 are additionally arranged on an exhaust pipe 4, the silencing box 15 can be located at the upstream or downstream of the two-position three-way electromagnetic valve 7, preferably at the downstream, an inlet 701 and a first outlet 702 of the two-position three-way electromagnetic valve 7 are respectively connected in series on the exhaust pipe 4, a second outlet 703 is communicated with a closed foaming tank 9 through a foaming pipe 8, a foaming liquid 10 is stored in the foaming tank 9, a one-way valve 11 is arranged on the foaming pipe 8, the one-way valve 11 can prevent the foaming liquid 10 from flowing to the air pump 1, the liquid level in the foaming tank 9 is higher than the pipe end of the foaming pipe 8, the foaming pipe 8 is preferably connected to a foaming portion, a foam delivery pipe 12 is further connected to the tank body of the foaming tank 9 above the liquid level, the foam delivery pipe 12 is communicated to, controlled by the single chip 202.

The foam delivery pipe 12 extends to the upper opening of the closestool 5 through a gap between the upper edge of the closestool 5 and the seat 504, the end part of the foam delivery pipe 12 is connected with an elbow 17, and one end of the elbow 17 far away from the foam delivery pipe 12 faces to the bottom of the closestool 5.

As shown in fig. 3, the silencing box 15 is a hollow closed box body, an inlet 1501 and an outlet 1502 are arranged on the box body of the silencing box 15, the inlet 1501 and the outlet 1502 are staggered with each other, the inlet 1501 and the outlet 1502 are respectively communicated with the exhaust pipe 4, and the silencing box 15 can reduce noise generated when the exhaust pipe 4 exhausts.

In the embodiment 2, the function of filling foam into the toilet bowl is realized by additionally arranging the two-position three-way electromagnetic valve 7, the foaming pipe 8, the foaming tank 9 and the foam conveying pipe 12, and the specific process is as follows, when the human body sensor 201 senses that a person approaches the toilet bowl 5, a signal representing the starting is sent to the single chip microcomputer 202, and after the single chip microcomputer 202 receives the signal, the air pump 1 is firstly started, at the same time, the two-position three-way solenoid valve 7 is adjusted to communicate the inlet 701 with the second outlet 703, and at this time, the air pump 1 pumps air in the closestool 5 and fills the air into the foaming tank 9 through the two-position three-way electromagnetic valve 7 and the foaming pipe 8, the air enters the foaming tank 9 to foam the foaming liquid 10, the foam floats on the foaming liquid 10, and the foam is conveyed into the closestool from the foam conveying pipe 12 along with the gradual increase of the foam, so that a certain amount of foam is formed in the closestool to cover excrement.

The time is set manually after the single chip microcomputer 202 starts the air pump 1 for a period of time, the single chip microcomputer 202 switches the conduction relation of the two-position three-way electromagnetic valve 7, the conduction relation of the inlet 701 and the second outlet 703 is cut off, the inlet 701 is conducted with the first outlet 702, at the moment, the air pump 1 directly discharges the air in the toilet into the cavity 502 at the bottom of the toilet 5 through the exhaust pipe 4, and the air enters the sewage discharge pipeline 6 through the gap between the sewage discharge joint 503 and the sewage discharge pipeline 6 in the cavity 502.

Example 3:

as shown in fig. 4, in this embodiment, on the basis of embodiment 1, a first electromagnetic valve 13 is further connected to the exhaust pipe 4, a foaming pipe 8 is communicated with the exhaust pipe 4 between the first electromagnetic valve 13 and the air pump 1, the foaming pipe 8 is communicated with a closed foaming tank 9, a second electromagnetic valve 14 is arranged on the foaming pipe 8, foaming liquid 10 is stored in the foaming tank 9, a one-way valve 11 in accordance with the air flow direction is arranged on the foaming pipe 8 between the second electromagnetic valve 14 and the foaming tank 9, the liquid level in the foaming tank 9 is higher than the pipe end of the foaming pipe 8, a foam conveying pipe 12 is further connected to the tank body of the foaming tank 9 above the liquid level, the foam conveying pipe 12 is communicated with the toilet bowl 5, and the first electromagnetic valve 13 and the second electromagnetic valve 14 are respectively electrically connected to the single chip microcomputer 202 and controlled by the single chip microcomputer 202.

Referring to fig. 3, the silencing box 15 is a hollow closed box body, an inlet 1501 and an outlet 1502 are arranged on the box body of the silencing box 15, the inlet 1501 and the outlet 1502 are staggered with each other, the inlet 1501 and the outlet 1502 are respectively communicated with the exhaust pipe 4, and the silencing box 15 can reduce noise generated when the exhaust pipe 4 exhausts.

An exhaust hole 16 is arranged at the upper opening of the sewage discharge pipeline 6, and the exhaust pipe 4 is butted with the exhaust hole 16 after penetrating through the fixing hole 501.

In this embodiment 3, a function of filling foam into the toilet bowl 5 is realized by additionally providing the first electromagnetic valve 13, the second electromagnetic valve 14, the foaming pipe 8, the foaming tank 9, and the foam conveying pipe 12, and the specific process is that when the human body sensor 201 senses that a person approaches the toilet bowl 5, a signal representing the start is sent to the single chip microcomputer 202, and after receiving the signal, the single chip microcomputer 202 first starts the air pump 1, closes the first electromagnetic valve 13, and opens the second electromagnetic valve 14, at this time, the air pump 1 extracts the gas in the toilet bowl 5 and fills the gas into the foaming tank 9 through the second electromagnetic valve 14 and the foaming pipe 8, the gas enters the foaming tank 9 to foam the foaming liquid 10, the foam floats on the foaming liquid 10, and as the foam gradually increases, the foam is conveyed into the toilet bowl from the foam conveying pipe 12, so that a certain amount of foam is formed in the toilet bowl to cover.

The time is set manually after the single chip microcomputer 202 starts the air pump 1 for a period of time, the second electromagnetic valve 14 is closed by the single chip microcomputer 202, the first electromagnetic valve 13 is opened, and at the moment, the air in the toilet is directly discharged into the sewage discharge pipeline 6 through the exhaust pipe 4 by the air pump 1.

The above embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments in use, and are not intended to limit the invention; it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications belong to the protection scope of the present invention.

Claims

1. Closestool deodorizing device, its characterized in that includes air pump (1), controller (2) of control air pump (1) operation, intake pipe (3) and blast pipe (4) with air pump (1) intercommunication, the one end of intake pipe (3) is connected on air pump (1) air inlet (101), and the other end extends to closestool (5) mouth, the one end of blast pipe (4) is connected on gas vent (102) of air pump (1), and the other end is used for communicateing sewage pipes (6).

2. The toilet deodorization device according to claim 1, wherein the controller (2) comprises a human body sensor (201) and a single chip microcomputer (202) which are connected with each other, the air pump (1) is electrically connected with the single chip microcomputer (202), and the single chip microcomputer (202) receives a signal sent by the human body sensor (201) and controls the air pump (1) to be started and stopped according to the signal.

3. Toilet deodorising device according to claim 1, characterised in that a two-position three-way solenoid valve (7) is connected to the exhaust pipe (4), an inlet (701) and a first outlet (702) of the two-position three-way electromagnetic valve (7) are respectively connected in series on the exhaust pipe (4), a second outlet (703) is communicated with a closed foaming tank (9) through a foaming pipe (8), foaming liquid (10) is stored in the foaming tank (9), a one-way valve (11) is arranged on the foaming pipe (8), the liquid level in the foaming tank (9) is higher than the pipe end of the foaming pipe (8), a foam conveying pipe (12) is also connected on the tank body of the foaming tank (9) above the liquid level, the foam delivery pipe (12) is communicated into the closestool (5), and the two-position three-way electromagnetic valve (7) is electrically connected with the singlechip (202) and is controlled by the singlechip (202).

4. A toilet deodorising apparatus according to claim 1, characterised in that a first solenoid valve (13) is connected to the exhaust pipe (4), a foam tube (8) is connected to the exhaust pipe (4) between the first solenoid valve (13) and the air pump (1), the foam tube (8) is connected to a closed foam tank (9), a second solenoid valve (14) is provided on the foam tube (8), a foam liquid (10) is stored in the foam tank (9), a check valve (11) is provided on the foam tube (8) between the second solenoid valve (14) and the foam tank (9) in accordance with the direction of the air flow, the liquid level in the foam tank (9) is higher than the pipe end of the foam tube (8), a foam duct (12) is connected to the body of the foam tank (9) above the liquid level, the foam duct (12) is connected to the toilet (5), the first electromagnetic valve (13) and the second electromagnetic valve (14) are respectively electrically connected with the single chip microcomputer (202) and controlled by the single chip microcomputer (202).

5. A deodorising block for toilets according to claim 1, characterised in that the exhaust pipe (4) is connected to a silencing box (15), the silencing box (15) is a hollow closed box, the box of the silencing box (15) is provided with an inlet (1501) and an outlet (1502), the inlet (1501) and the outlet (1502) are staggered, and the inlet (1501) and the outlet (1502) are respectively connected to the exhaust pipe (4).

6. A toilet bowl deodorization device and toilet bowl installation structure is characterized in that one end of the exhaust pipe (4) communicated with the sewage discharge pipeline (6) is connected to a fixing hole (501) at the bottom of the toilet bowl (5) and communicated with a cavity (502) at the bottom of the toilet bowl (5), and the exhaust pipe (4) is communicated with the sewage discharge pipeline (6) in the cavity (502) through the cavity (502) at the bottom of the toilet bowl (5).

7. The mounting arrangement, as set forth in claim 6, characterized in that the waste fitting (503) at the bottom of the toilet bowl (5) is inserted into the upper opening of the waste pipe (6) with a gap between the outer side wall of the waste fitting (503) and the inner side wall of the waste pipe (6) which allows the cavity (502) to communicate with the inside of the waste pipe (6).

8. The mounting structure according to claim 6, wherein the exhaust pipe (4) is provided with an exhaust hole (16) at the upper opening of the sewage pipe (6), and the exhaust pipe (4) is butted with the exhaust hole (16) after passing through the fixing hole (501).