CN106836417B - Toilet deodorization system - Google Patents
Toilet deodorization system Download PDFInfo
- Publication number
- CN106836417B CN106836417B CN201710106899.9A CN201710106899A CN106836417B CN 106836417 B CN106836417 B CN 106836417B CN 201710106899 A CN201710106899 A CN 201710106899A CN 106836417 B CN106836417 B CN 106836417B
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- Prior art keywords
- flushing
- switch
- fan
- flush
- water tank
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- 238000004332 deodorization Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 111
- 238000011010 flushing procedure Methods 0.000 claims abstract description 76
- 238000009423 ventilation Methods 0.000 claims description 18
- 238000005192 partition Methods 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 4
- 238000012857 repacking Methods 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract description 2
- 230000001877 deodorizing effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
- E03D9/04—Special arrangement or operation of ventilating devices
- E03D9/05—Special arrangement or operation of ventilating devices ventilating the bowl
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D5/00—Special constructions of flushing devices, e.g. closed flushing system
- E03D5/02—Special constructions of flushing devices, e.g. closed flushing system operated mechanically or hydraulically (or pneumatically) also details such as push buttons, levers and pull-card therefor
- E03D5/09—Special constructions of flushing devices, e.g. closed flushing system operated mechanically or hydraulically (or pneumatically) also details such as push buttons, levers and pull-card therefor directly by the hand
- E03D5/092—Special constructions of flushing devices, e.g. closed flushing system operated mechanically or hydraulically (or pneumatically) also details such as push buttons, levers and pull-card therefor directly by the hand the flushing element, e.g. siphon bell, being actuated through a lever
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Epidemiology (AREA)
- Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
- Sanitary Device For Flush Toilet (AREA)
Abstract
The invention discloses a toilet deodorization system which comprises a fan, a water tank, an exhaust pipe, a flushing mechanism, a flushing switch, an adapter and a flushing pipeline, wherein the fan is arranged in the water tank, the flushing pipeline is selectively connected with the water tank in an opening or closing manner, the flushing pipeline is communicated with the fan, the flushing switch comprises a switch shell and an operating part, the operating part is movably arranged in the switch shell to drive the flushing mechanism, an exhaust passage is arranged in the switch shell, the exhaust passage is respectively communicated with the adapter and the exhaust pipe, the adapter is communicated with the fan, the flushing pipeline is movably connected with the fan and/or the fan is movably connected with the flushing switch, and the position of the flushing switch in the front-back direction of the water tank is adjustable. Among this lavatory deodorization system, with exhaust passage integration on the bath switch, and the position of bath switch on the fore-and-aft direction of water tank is adjustable, when the current lavatory of repacking, only need with original bath button replacement for the bath switch can, need not new trompil on the water tank, the cost is lower, strong adaptability.
Description
Technical Field
The invention relates to the technical field of bathrooms, in particular to a toilet deodorization system.
Background
The toilet space is relatively closed, at present, an exhaust fan is usually arranged at the top of the toilet, the air in the toilet is exhausted to the outside through the exhaust fan, the ventilation system has the good effect of removing moisture in the toilet, but odor generated when people are convenient is at the lower part of the toilet, and the odor is diffused to the whole toilet when the exhaust fan is used.
Chinese patent CN90220207.3 uses the flushing hole of the toilet as an air suction channel to discharge the odor in the toilet to the outside. However, in the existing toilet, if the odor in the toilet is discharged to the outside, the toilet is difficult to be modified in structure, either a new water tank and the toilet need to be purchased again, or the appearance of the modified toilet is very ugly.
Disclosure of Invention
Accordingly, there is a need for a toilet deodorization system that is easy to exhaust odor and easy to install.
A toilet deodorization system comprises a fan, a water tank, an exhaust pipe, a flushing mechanism, a flushing switch, an adapter and a flushing pipeline, wherein the fan is arranged in the water tank, the flushing pipeline is selectively connected with the water tank in an opening or closing manner, the flushing switch drives the flushing mechanism to be opened so that water in the water tank flows into the flushing pipeline to realize flushing, the flushing pipeline is communicated with the fan, the flushing switch comprises a switch shell and an operating part, the operating part is movably arranged in the switch shell to drive the flushing mechanism, an exhaust passage is arranged in the switch shell and is respectively communicated with the adapter and the exhaust pipe, the adapter is communicated with the fan, and the flushing pipeline and the fan and/or the fan and the flushing switch are movably connected, the position of the flushing switch in the front-back direction of the water tank is adjustable.
Among this lavatory deodorization system, with exhaust passage integration on the bath switch, and the position of bath switch on the fore-and-aft direction of water tank is adjustable, when the current lavatory of repacking, only need with original bath button replacement for the bath switch can, need not new trompil on the water tank, the cost is lower, strong adaptability.
In one embodiment, the toilet deodorization system further comprises a ventilation duct connected between the blower and the flush duct, and further comprises connectors connected to the flush duct, the ventilation duct, and the water tank, respectively; the connector can follow the pipeline direction of height of washing water connect with rotating in air pipe, air pipe can follow the pipeline direction of height of washing water connect with rotating in the fan.
In one embodiment, the toilet deodorization system further comprises a ventilation duct connected between the blower and the flush duct, and further comprises connectors connected to the flush duct, the ventilation duct, and the water tank, respectively; the fan can follow the pipeline of flushing height direction rotationally connect in the adapter, the adapter is extending structure.
In one embodiment, the toilet deodorization system further comprises a ventilation duct connected between the blower and the flush duct, and further comprises connectors connected to the flush duct, the ventilation duct, and the water tank, respectively; the adapter is a hose.
In one embodiment, the switch housing is further provided with a containing groove, a partition plate is arranged at the bottom of the containing groove, a through hole is formed in the partition plate, the operating portion is partially contained in the containing groove, and part of the operating portion penetrates through the through hole.
In one embodiment, the flush switch further includes a reset member disposed between the switch housing and the operating portion to apply a force to the operating portion to move the operating portion away from the flush mechanism.
In one embodiment, the operating portion includes two first operating portions and two second operating portions, and the first operating portion and the second operating portion are respectively movable relative to the switch housing.
In one embodiment, the switch shell is provided with one of a trigger piece and a trigger switch, the operating part is provided with the other of the trigger piece and the trigger switch, and the trigger piece and the trigger switch interact or separate to control the starting and stopping of the fan.
In one embodiment, the flushing mechanism includes an actuating portion, a lever, a connecting rod and a flushing door, the actuating portion and the connecting rod are respectively connected to different positions of the lever, the flushing door is connected to the connecting rod, and the actuating portion is selectively contacted with or separated from the operating portion to move under the pushing of the operating portion, so that the lever is driven to swing to drive the connecting rod to move, and the flushing door is communicated with or cut off from the flushing pipeline and the water tank.
In one embodiment, the connector comprises a water inlet and a water outlet connected with a flushing pipeline, a water inlet part is arranged on one side of the water inlet, which is far away from the water outlet, the size of one side, which is close to the water inlet, of the water inlet part is smaller than that of one side, which is far away from the water inlet, of the water inlet part, and the size of one side, which is close to the water inlet, of the water inlet part is smaller than that of the water inlet part.
Drawings
FIG. 1 is a schematic sectional view illustrating a deodorizing system for toilets according to an embodiment of the present invention;
FIG. 2 is an exploded view of the toilet deodorization system shown in FIG. 1;
FIG. 3 is a schematic sectional view illustrating a flush switch of the deodorization system for toilets according to an embodiment of the present invention;
FIG. 4 is another perspective view of the toilet deodorizing system of FIG. 1;
FIG. 5 is a schematic view illustrating the movement of a flush switch of the deodorization system for toilets shown in FIG. 1;
FIG. 6 is a schematic sectional view illustrating a deodorizing system for toilets according to another embodiment of the present invention;
FIG. 7 is a schematic view of a portion of the toilet deodorization system shown in FIG. 6;
FIG. 8 is a schematic view illustrating the movement of a flush switch of the deodorization system for toilets shown in FIG. 6; and
fig. 9 is a sectional view schematically illustrating a deodorizing system for toilets according to still another embodiment of the present invention.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and 2, a deodorization system for a toilet according to an embodiment of the present invention includes a blower 30, a water tank 50, an exhaust pipe 60, a flush mechanism 70, a flush switch 101, an adapter 80, and a flush pipe. The blower 30 is disposed in the water tank 50, the flushing pipe is selectively connected to the water tank 50 in an open or close manner, the flushing switch 101 drives the flushing mechanism 70 to open so that water in the water tank 50 flows into the flushing pipe to flush, and the flushing pipe is communicated with the blower 30. Referring to fig. 3, the flush switch 101 includes a switch housing 1011 and an operation part 1013, the operation part 1013 is movably disposed on the switch housing 1011 to drive the flush mechanism 70, an exhaust passage 10111 is disposed in the switch housing 1011, the exhaust passage 10111 is respectively communicated with the adapter 80 and the exhaust pipe 60, the adapter 80 is communicated with the fan 30, so that odor in the toilet bowl enters the fan through the flush pipe, and then enters the exhaust pipe 60 through the adapter 80 and the exhaust passage 10111 of the flush switch 101 and is discharged to the outside. The flushing pipeline is movably connected with the fan 30 and/or the fan 30 is movably connected with the flushing switch 101, and the position of the flushing switch 101 in the front-back direction of the water tank 50 is adjustable.
Among this lavatory deodorization system, with exhaust passage 10111 integrated on bath switch 101, and the position of bath switch 101 on the fore-and-aft direction of water tank 50 is adjustable, when the current lavatory of repacking, only need with original bath button replacement for wash water switch 101 can, need not new trompil on water tank 50, the cost is lower, strong adaptability.
In this embodiment, the switch housing 1011 further has a receiving groove 10112, the bottom of the receiving groove 10112 is provided with a partition 10116, the partition 10116 has a through hole 10118, the operating portion 1013 is partially received in the receiving groove 10112, and the operating portion partially passes through the through hole 10118.
In this embodiment, the flush switch 101 further includes a reset member 1015, and the reset member 1015 is disposed between the switch housing 1011 and the operating portion 1013 to apply a force to the operating portion 1013 to move it away from the flush mechanism 70. Specifically, the restoring member 1015 is an elastic member, and more specifically, the restoring member 1015 is a compression spring.
In the present embodiment, the operation unit 1013 includes two first operation units and two second operation units, and the first operation unit and the second operation unit are respectively movable with respect to the switch housing 1011. Thus, different operation parts are pressed to flush different water quantities.
In this embodiment, one of the trigger 1022 and the trigger switch 1024 is disposed on the switch housing 1011, the other of the trigger 1022 and the trigger switch 1024 is disposed on the operating portion 1013, and the trigger 1022 and the trigger switch 1024 interact or separate to control the start and stop of the blower 30. The trigger 1022 and the trigger switch 1024 are close to or in contact with each other to indicate that the blower 30 is being flushed, and a signal is sent to the blower 30 to control the blower 30 to stop. Thus, the blower 30 is closed when flushing water, and water is prevented from being sucked into the blower 30 or the exhaust pipe 60 and other parts by the blower 30 when flushing water, so that the flushing effect can be ensured, and electric elements such as the blower can be protected from water.
In this embodiment, a water level line is provided in the water tank 50, and the fan 30 is located below the water level line. When the water tank is in work, the fan 30 is completely submerged below the water level line of the water tank 50, so that the noise of the fan 30 can be greatly reduced.
In this embodiment, referring to fig. 4, the flushing mechanism 70 includes an actuating portion 702, a lever 704, a connecting rod 706 and a flushing door 708, the actuating portion 702 and the connecting rod 706 are respectively connected to different positions of the lever 704, the flushing door 708 is connected to the connecting rod 706, the actuating portion 702 can selectively contact with or separate from the operating portion 1013 to move under the pushing of the operating portion 1013, so as to drive the lever 704 to swing to drive the connecting rod 706 to move, and further to enable the flushing door 708 to connect or disconnect the flushing pipeline and the water tank 50. Specifically, in the present embodiment, the lever 704 rotatably passes through the actuating portion 702, and the connecting rod 706 is connected to one end of the lever 704.
In this embodiment, the deodorizing system for toilets further comprises a ventilating duct 90, wherein the ventilating duct 90 is connected between the fan 30 and the flushing pipe to guide out odor in the toilet pit through the flushing pipe, and the odor is discharged outdoors through the fan 30 and the exhaust pipe 60, so that the odor is discharged without being emitted indoors by self-generation, and deodorization is realized.
Referring to fig. 1 to 3, in one embodiment, the deodorization system further includes a connector 82, wherein the connector 82 is connected to the flushing pipe, the ventilating pipe 90 and the water tank 50, respectively, so that water in the water tank 50 can be flushed into the flushing pipe, and odor of the toilet stool entering the flushing pipe can be sucked into the fan 30 and discharged to the outside. Specifically, the connection head 82 may be a three-way valve. In this embodiment, the connection head 82 may be rotatably connected to the ventilation duct 90 along the height direction of the flush pipe, and the ventilation duct 90 may be rotatably connected to the blower 30 along the height direction of the flush pipe, so that the position of the flush switch 101 in the front-rear direction of the water tank 50 may be adjusted, and the flush switch 101, the blower 30, and the like may be installed without re-drilling no matter where the opening of the flush switch 101 is set in the water tank 50.
Referring to fig. 5, the connection head 82 is rotatably connected to the ventilation duct 90 along the height direction of the flush pipe, and the ventilation duct 90 is rotatably connected to the blower 30 along the height direction of the flush pipe, so that the position of the flush switch 101 can be adjusted in the front and rear directions of the center plane of the tank 50.
When the toilet is refitted, the flush switch 101 is only required to be integrally assembled, then the flush switch 101 penetrates through the original opening of the flush button on the tank cover 502 of the water tank 50, the flush switch 101 is locked on the tank cover 502, the adapter 80 is connected with the flush switch 101, and then the tank cover 502 is installed on the main body of the water tank 50, so that the toilet is very convenient.
Referring to fig. 6 and 7, in another embodiment, the deodorization system for toilets also comprises a connector 82, wherein the connector 82 is connected to the flushing pipe, the ventilating pipe 90 and the water tank 50 respectively, so that the water in the water tank 50 can be flushed into the flushing pipe, and the odor of the toilet stool entering the flushing pipe can be sucked into the fan 30 and then discharged to the outside. Specifically, the connection head 82 may be a three-way valve. In this embodiment, the blower 30 may be rotatably connected to the adapter 80 along the height direction of the flush pipe, and the adapter 80 is a retractable structure, so that the position of the flush switch 101 in the front-rear direction of the water tank 50 is adjustable, and the flush switch 101, the blower 30, etc. may be installed at any position of the water tank 50 where the opening of the flush switch 101 is provided in the water tank 50 without forming a hole again.
Referring to fig. 8, the connection head 82 is rotatably connected to the ventilation duct 90 along the height direction of the flush pipe, the blower 30 is rotatably connected to the adapter 80 along the height direction of the flush pipe, and the adapter 80 is of a telescopic structure, so that the position of the flush switch 101 can be adjusted in the front and rear directions of the center plane of the tank 50.
In this embodiment, the adapter 80 includes a first portion 802 and a second portion 804 that are slidable relative to each other to achieve the extension and retraction of the adapter 80.
Referring to fig. 9, in another embodiment, the deodorization system for toilets also comprises a connector 82, wherein the connector 82 is connected to the flushing pipe, the ventilating pipe 90 and the water tank 50 respectively, so that the water in the water tank 50 can be flushed into the flushing pipe, and the odor of the toilet stool entering the flushing pipe can be sucked into the fan 30 and then discharged to the outside. Specifically, the connection head 82 may be a three-way valve. In this embodiment, the adapter 80 is a hose. Because adapter 80 is the hose, the position can be moved at will to the bath switch 101, can install bath switch 101, fan 30 etc. under the condition of not holing again.
In one embodiment, the connecting head 82 includes a water inlet 826 and a water outlet (not shown) connected to the flush pipe, a water inlet 828 is disposed on a side of the water inlet 826 away from the water outlet, the water inlet 828 is disposed between the flush door 708 and the connecting head 82, a side of the water inlet 828 close to the water inlet 826 is smaller than a side of the water inlet 826, and a side of the water inlet 828 close to the water inlet 826 is smaller than the water inlet 826. Specifically, the water inlet portion 828 is gradually reduced in size in a direction gradually approaching the water inlet 826. Because the size of the side of the water inlet portion 828 close to the water inlet 826 is smaller than the size of the side far away from the water inlet 826, and the size of the side of the water inlet portion 828 close to the water inlet 826 is smaller than the size of the water inlet 826, water cannot enter the air inlet channel of the blower 30 when flushing water by utilizing the venturi principle. The flush pipe is communicated with a flush hole of a toilet (not shown) to flush a pit of the toilet.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A toilet deodorization system is characterized by comprising a fan, a water tank, an exhaust pipe, a flushing mechanism, a flushing switch, an adapter and a flushing pipeline, wherein the fan is arranged in the water tank, the flushing pipeline is selectively connected with the water tank in an opening or closing manner, the flushing switch drives the flushing mechanism to be opened so that water in the water tank flows into the flushing pipeline to realize flushing, the flushing pipeline is communicated with the fan, the flushing switch comprises a switch shell and an operating part, the operating part is movably arranged in the switch shell to drive the flushing mechanism, an exhaust passage is arranged in the switch shell and is respectively communicated with the adapter and the exhaust pipe, the adapter is communicated with the fan, and the flushing pipeline is movably connected with the fan and/or the fan is movably connected with the flushing pipeline, the position of the flushing switch in the front-back direction of the water tank is adjustable.
2. The lavatory odor removal system of claim 1, further comprising a ventilation duct connected between the blower and the flush duct, the lavatory odor removal system further comprising connectors connected to the flush duct, the ventilation duct, and the tank, respectively; the connector can follow the pipeline direction of height of washing water connect with rotating in air pipe, air pipe can follow the pipeline direction of height of washing water connect with rotating in the fan.
3. The lavatory odor removal system of claim 1, further comprising a ventilation duct connected between the blower and the flush duct, the lavatory odor removal system further comprising connectors connected to the flush duct, the ventilation duct, and the tank, respectively; the fan can follow the pipeline of flushing height direction rotationally connect in the adapter, the adapter is extending structure.
4. The lavatory odor removal system of claim 1, further comprising a ventilation duct connected between the blower and the flush duct, the lavatory odor removal system further comprising connectors connected to the flush duct, the ventilation duct, and the tank, respectively; the adapter is a hose.
5. A lavatory deodorising system as claimed in any one of claims 1 to 4, wherein the switch housing further comprises a receptacle, the receptacle having a partition at the base thereof, the partition having a through hole, the operating portion being received partially within the receptacle and partially through the through hole.
6. A lavatory deodorising system as claimed in any of claims 1 to 4, wherein the flush switch further comprises a reset member provided between the switch housing and the operating part to apply a force to the operating part away from the flush mechanism.
7. A lavatory deodorising system as claimed in any one of claims 1 to 4, wherein the operating part comprises two first and second operating parts, each movable relative to the switch housing.
8. A lavatory deodorisation system as claimed in any of claims 1 to 4, wherein the switch housing is provided with one of a trigger and a trigger switch, the operating portion is provided with the other of the trigger and the trigger switch, and the trigger switch interact or disengage to control the start or stop of the fan.
9. A lavatory deodorising system as claimed in any one of claims 1 to 4, wherein the flushing mechanism includes an actuator, a lever, a link and a flush door, the actuator and the link being connected to different positions of the lever respectively, the flush door being connected to the link, the actuator being selectively engageable with and disengageable from the actuator to move under the urging of the actuator to swing the lever to move the link and thereby connect or disconnect the flush door with the cistern.
10. A toilet deodorising system as claimed in any one of claims 2 to 4, wherein the connecting head includes a water inlet and a water outlet connected to the flush line, the side of the water inlet remote from the water outlet being provided with a water inlet portion, the side of the water inlet portion adjacent to the water inlet being of a smaller size than the side remote from the water inlet, and the side of the water inlet portion adjacent to the water inlet being of a smaller size than the water inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710106899.9A CN106836417B (en) | 2017-02-24 | 2017-02-24 | Toilet deodorization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710106899.9A CN106836417B (en) | 2017-02-24 | 2017-02-24 | Toilet deodorization system |
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| Publication Number | Publication Date |
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| CN106836417A CN106836417A (en) | 2017-06-13 |
| CN106836417B true CN106836417B (en) | 2020-11-03 |
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| CN201710106899.9A Active CN106836417B (en) | 2017-02-24 | 2017-02-24 | Toilet deodorization system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111101567A (en) * | 2020-01-15 | 2020-05-05 | 佛山市顺德区富通实业有限公司 | An easy-to-install flush tank |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3039250B2 (en) * | 1994-01-28 | 2000-05-08 | 株式会社イナックス | Deodorant toilet |
| CN2420344Y (en) * | 2000-03-31 | 2001-02-21 | 李贤臣 | Closet without odour |
| CN1260436C (en) * | 2003-06-11 | 2006-06-21 | 姚禄安 | Deodorizing device for toilet |
| CN201214821Y (en) * | 2008-06-10 | 2009-04-01 | 福建弘旺电子科技有限公司 | Intelligent closet |
| CN101988298B (en) * | 2009-07-31 | 2012-06-06 | 王元昊 | Toilet bowl pumping component and toilet bowl formed by same |
| CN202627146U (en) * | 2012-05-16 | 2012-12-26 | 郭东箭 | Deodorization-type toilet bowl device |
| CN102691343B (en) * | 2012-06-18 | 2014-04-02 | 北京建筑工程学院 | Pedestal pan flushing device with flow regulation function |
| CN105839748A (en) * | 2016-05-13 | 2016-08-10 | 冀文文 | Gas purifying device for closestool and connecting method of gas purifying device and closestool |
| CN206554199U (en) * | 2017-02-24 | 2017-10-13 | 湖南匡为科技有限公司 | Toilet deodorization system |
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