CN216276006U - U-shaped air isolation device and drainage equipment - Google Patents
U-shaped air isolation device and drainage equipment Download PDFInfo
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- CN216276006U CN216276006U CN202121802430.7U CN202121802430U CN216276006U CN 216276006 U CN216276006 U CN 216276006U CN 202121802430 U CN202121802430 U CN 202121802430U CN 216276006 U CN216276006 U CN 216276006U
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- 238000002955 isolation Methods 0.000 title description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 220
- 238000002347 injection Methods 0.000 claims abstract description 20
- 239000007924 injection Substances 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims description 10
- 230000004888 barrier function Effects 0.000 claims description 5
- 238000009413 insulation Methods 0.000 description 5
- 239000008400 supply water Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
- E03C1/28—Odour seals
- E03C1/284—Odour seals having U-shaped trap
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
- E03C1/28—Odour seals
- E03C1/294—Odour seals with provisions against loss of water lock
- E03C1/296—Odour seals with provisions against loss of water lock using water-supply valves
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Level Indicators Using A Float (AREA)
Abstract
The embodiment of the utility model relates to the technical field of water supply and drainage, in particular to a U-shaped air-isolating device and drainage equipment, wherein the U-shaped air-isolating device comprises a U-shaped pipeline, the side wall of the U-shaped pipeline is provided with a water injection hole, and the water injection hole is positioned at the bottom of a U-shaped groove formed by the U-shaped pipeline; the water tank is provided with a water storage tank, a water inlet and a water outlet which are communicated with the water storage tank, and the water outlet is communicated with the water injection hole; the electromagnetic valve switch is arranged at the water inlet and used for closing or opening the water inlet; the float switch is arranged in the water storage tank and used for detecting the water level of the water storage tank; and the controller is connected with the electromagnetic valve switch and the float switch, and is used for controlling the electromagnetic valve switch to be opened to feed water into the water storage tank when the float switch detects that the water storage tank is positioned at a preset low water level. The U-shaped air-isolating device can prevent the U-shaped pipeline from being submerged, and further can prevent the U-shaped air-isolating device from being out of work.
Description
CROSS-REFERENCE TO RELATED APPLICATIONS
The present invention claims priority from the hong Kong intellectual Property agency filed on.08.17.2020, application No. 32020013998.0 entitled "A U-shaped air-barrier and drainage apparatus" incorporated herein by reference in its entirety.
Technical Field
The embodiment of the utility model relates to the technical field of water supply and drainage, in particular to a U-shaped air isolation device and drainage equipment.
Background
The U-shaped air-isolating trap is a device arranged in the middle of a sewer pipe, and under normal conditions, part of water can be reserved in the U-shaped air-isolating trap so as to isolate user air from the public sewer pipe.
In the process of implementing the utility model, the inventor of the utility model finds that: at present, when water is drained to the U-shaped air insulation device through the U-shaped air insulation device, the U-shaped air insulation pipe automatically stores water to play an air insulation role, and if no water is stored in the U-shaped pipe, the U-shaped air insulation will fail.
SUMMERY OF THE UTILITY MODEL
In view of the above, embodiments of the present invention provide a U-shaped air-barrier and a drainage apparatus, which overcome or at least partially solve the above problems.
According to an aspect of an embodiment of the present invention, there is provided a U-shaped gas barrier including: the side wall of the U-shaped pipeline is provided with a water injection hole, and the water injection hole is positioned at the bottom of a U-shaped groove formed by the U-shaped pipeline; the water tank is provided with a water storage tank, a water inlet and a water outlet which are communicated with the water storage tank, the water outlet is communicated with the water injection hole, and the water inlet is used for being connected with a water inlet pipe; the electromagnetic valve switch is arranged at the water inlet and used for closing or opening the water inlet; the float switch is arranged in the water storage tank and used for detecting the water level of the water storage tank; the controller is connected with the electromagnetic valve switch and the float switch and is used for controlling the electromagnetic valve switch to be opened when the float switch detects that the water storage tank is located at a preset low water level, water is fed into the water storage tank, and the electromagnetic valve switch is controlled to be closed when the water storage tank is located at a preset high water level.
In an alternative mode, the float switch comprises a floating piece, a sliding rod, a first connecting rod, a second connecting rod, a rocker arm, a mounting piece and a contact sensor; the installation part is fixed in the water storage tank, the installation part is provided with a water flow channel, the water flow channel is communicated with the water inlet pipe, one end of the sliding rod is fixed at the installation part, the other end of the sliding rod is fixed at the bottom of the water storage tank, the floating part is sleeved on the sliding rod and can move along the sliding rod, one end of the first connecting rod is fixed with the floating part, the other end of the first connecting rod is rotatably connected with one end of the second connecting rod, the other end of the second connecting rod is rotatably connected with one end of the rocker arm, the other end of the rocker arm is rotatably connected with the installation part, the contact sensor is arranged on the installation part and is positioned above the rocker arm, the contact sensor is connected with the controller, when the water level in the water storage tank is positioned at a preset high water level, the other end of the rocker arm contacts the contact sensor, and the controller controls the electromagnetic valve switch to be closed.
In an optional mode, the float switch further comprises a stopper, the stopper is fixed to the slide bar, the stopper is located at the preset low water level, and the stopper is used for abutting against the floating piece.
In an optional mode, the float switch further comprises a fixed block, the fixed block is fixed at the bottom of the water storage tank, and the other end of the sliding rod is fixed at the fixed block.
In an optional mode, the U-shaped air isolating device further comprises an alarm; the alarm is connected with the controller, the controller is used for controlling the electromagnetic valve switch to be opened within a preset time, and the floating ball switch detects that the water level of the water storage tank is not located at a preset high water level and controls the alarm to give an alarm.
In an optional mode, the U-shaped air-isolating device further comprises a first connecting pipe, a second connecting pipe and a sleeve, wherein one end of the first connecting pipe is connected with the water outlet, one end of the second connecting pipe is connected with the water injection hole, and two ends of the sleeve are detachably connected with the other end of the first connecting pipe and the other end of the second connecting pipe respectively.
In an optional mode, the other ends of the first connecting pipe and the second connecting pipe are both provided with external threads, the sleeve is provided with internal threads, and two ends of the sleeve are respectively in threaded connection with the other end of the first connecting pipe and the other end of the second connecting pipe.
In an optional mode, the U-shaped air-isolating device further comprises a fixing rod, and two ends of the fixing rod are respectively connected with the upper parts of the U-shaped pipeline and the water tank.
In an optional mode, the U-shaped air-isolating device further comprises a switch door, the switch door is used for covering the water injection hole, one end of the switch door is rotatably connected with the inner wall of the U-shaped pipeline, the end, rotating relative to the other end, of the switch door and the inner wall of the U-shaped pipeline is close to the water inlet end of the U-shaped pipeline, and the switch door is further arranged in an inclined manner.
According to an aspect of the embodiment of the utility model, a drainage device is provided, which comprises the U-shaped air-isolating device.
The embodiment of the utility model has the beneficial effects that: the water tank is arranged beside a U-shaped pipeline of the U-shaped air isolation device, and a float switch used for detecting the water level in the water tank is arranged in the water tank. The water inlet of the water tank is provided with an electromagnetic valve switch for opening or closing the water inlet. When the U-shaped pipeline is empty of water or the water level in the U-shaped pipeline is lower than the water level in the water tank, the water in the water tank can flow to the U-shaped pipeline. When the floating ball switch detects that the water level in the water tank is at a preset low water level, the controller controls the electromagnetic valve switch to be opened, water is fed into the water tank, and when the floating ball switch detects that the water level in the water tank is at a preset high water level, the controller controls the electromagnetic valve switch to be closed. Therefore, the U-shaped pipeline can be prevented from being submerged, and the U-shaped air isolation device can be prevented from being out of work.
Drawings
Fig. 1 is a schematic view illustrating a water level in a water tank of a U-shaped air-isolating device according to an embodiment of the present invention is at a preset low level;
FIG. 2 is a connection diagram of a U-shaped air-isolating device according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating that the water level in the water tank of the U-shaped air-isolating device provided by the embodiment of the utility model is at a preset high water level.
Detailed Description
In order to facilitate an understanding of the utility model, the utility model is described in more detail below with reference to the accompanying drawings and specific examples. 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. The terms "vertical," "horizontal," "left," "right," "inner," "outer," and the like as used herein are for descriptive purposes only.
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 utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. 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, the U-shaped air-barrier 100 includes: the water tank comprises a U-shaped pipeline 10, a water tank 20, an electromagnetic valve switch 30, a float switch 40, a controller 50, an alarm 60, a first connecting pipe 70, a second connecting pipe 80, a sleeve 90, a fixing rod 110 and a switch door 111. The water tank 20 is provided with a water inlet 201 and a water outlet 202, the bottom of the U-shaped pipeline 10 is provided with a water injection hole 101, and the water outlet 202 is communicated with the water injection hole 101 through the first connecting pipe 70, the sleeve 90 and the second connecting pipe 80. The electromagnetic valve switch 30 is used for closing or opening the water inlet 201. The float switch 40 is used to detect the water level of the water tank 20. The fixing rod 110 is used to fix the U-shaped duct 10 and the upper portion of the water tank 20. The switch door 111 is used for covering the water filling hole 101. The controller 50 is respectively connected with the electromagnetic valve switch 30, the float switch 40 and the alarm 60. The controller 50 is configured to control the electromagnetic valve switch 30 to be opened when the float switch 40 detects that the water tank 20 is at a preset low water level, to supply water to the water tank 20, and to control the electromagnetic valve switch 30 to be closed when the water tank 20 is at a preset high water level. The controller 50 is configured to control the alarm 60 to alarm when the float switch 40 detects that the water level of the water tank 20 is not at a preset high water level within a preset time period when the controller 50 controls the electromagnetic valve switch 30 to be opened. Because the water tank 20 communicated with the U-shaped pipeline 10 is arranged beside the U-shaped pipeline, when the water tank 20 is positioned at a preset low water level, the controller 50 controls water to enter the water tank 20, and therefore the U-shaped air-isolating device 100 can be effectively prevented from being out of work.
For the U-shaped pipeline 10, a water injection hole 101 is formed in the side wall of the U-shaped pipeline 10, and the water injection hole 101 is located at the bottom of a U-shaped groove formed in the U-shaped pipeline 10.
Referring to fig. 3, the water tank 20 is provided with a water storage tank 203, and the water inlet 201 and the water outlet 202 are respectively communicated with the water storage tank 203. Wherein, the water inlet 201 is used for connecting the inlet tube, the delivery port 202 with the water filling hole 101 intercommunication.
For the above switch door 111, the switch door 111 is used to cover the water injection hole 101, one end of the switch door 111 is rotatably connected to the inner wall of the U-shaped pipe 10, the rotated end of the switch door 111 and the inner wall of the U-shaped pipe 10 is closer to the water inlet end of the U-shaped pipe 10 than the other end, and the switch door 111 is also arranged in an inclined manner. Through setting up switch door 111, then sewage gets into U type pipeline 10 from the inlet end of U type pipeline 10, switch door 111 covers water injection hole 101, thereby sewage can not get into water tank 20. When there is no water in the U-shaped pipe 10, the water in the water tank 20 flushes the switch door 111, and the water in the water tank 20 can enter the U-shaped pipe 10, thereby preventing the U-shaped air-isolating device 100 from being out of service.
For the first connecting pipe 70, the second connecting pipe 80 and the sleeve 90, one end of the first connecting pipe 70 is connected to the water outlet 202 of the water tank 20, one end of the second connecting pipe 80 is connected to the water injection hole 101 of the U-shaped pipe 10, and two ends of the sleeve 90 are detachably connected to the other end of the first connecting pipe 70 and the other end of the second connecting pipe 80, respectively. In some embodiments, the other ends of the first and second connection pipes 70 and 80 are provided with external threads, the sleeve 90 is provided with internal threads, and both ends of the sleeve 90 are respectively screwed with the other ends of the first and second connection pipes 70 and 80.
It is understood that, in some embodiments, the first connection pipe 70 is integrally formed with the water tank 20, and the second connection pipe 80 is integrally formed with the U-shaped pipe 10.
As for the fixing rod 110, both ends of the fixing rod 110 are respectively connected to the U-shaped air-isolating device 100 and the upper portion of the water tank 20, so that the water tank 20 is stably fixed to the U-shaped pipe 10.
As for the above-mentioned solenoid valve switch 30, the solenoid valve switch 30 is provided to the water inlet 201 of the water tank 20 for closing and opening the water inlet 201.
Referring to fig. 3, the float switch 40 is disposed in the reservoir 203 for detecting the water level of the reservoir 203. The float switch 40 includes a float member 401, a slide bar 402, a first link 403, a second link 404, a rocker arm 405, a mounting member 406, a contact sensor 407, a stopper 408, and a fixing block 409. The mounting member 406 is secured to the reservoir 203 and the mounting member 406 is provided with a water passage (not shown) which communicates with the inlet pipe. The fixing block 409 is fixed at the bottom of the water storage tank 203. One end of the sliding rod 402 is fixed to the mounting member 406, and the other end of the sliding rod 402 is fixed to the fixing block 409. The floating piece 401 is sleeved on the sliding rod 402, the floating piece 401 can move along the sliding rod 402, a stop block 408 is fixed on the sliding rod 402, the stop block 408 is located at the preset low water level, and the stop block 408 is used for abutting against the floating piece 401. One end of the first link 403 is fixed to the floating member 401, the other end of the first link 403 is rotatably connected to one end of the second link 404, the other end of the second link 404 is rotatably connected to one end of the swing arm 405, and the other end of the swing arm 405 is rotatably connected to the mounting member 406. The contact sensor 407 is disposed on the mounting member 406, the contact sensor 407 is located above the swing arm 405, the contact sensor 407 is connected to the controller 50, when the water level in the reservoir 203 is at the preset high water level, the other end of the swing arm 405 contacts the contact sensor 407, and the controller 50 controls the electromagnetic valve switch 30 to be closed.
It will be appreciated that in some embodiments, the stop 408 is positioned above the predetermined low water level to fill the U-shaped pipe 10 with water in a timely manner.
For the controller 50, the controller 50 is connected to the solenoid valve switch 30, the float switch 40 and the alarm 60, respectively. The controller 50 is configured to control the electromagnetic valve switch 30 to be opened when the float switch 40 detects that the water tank 20 is at a preset low water level, to supply water to the water tank 20, and to control the electromagnetic valve switch 30 to be closed when the water tank 20 is at a preset high water level. The controller 50 is configured to control the alarm 60 to alarm when the float switch 40 detects that the water level of the water tank 20 is not at a preset high water level within a preset time period when the controller 50 controls the electromagnetic valve switch 30 to be opened, so that a user can timely handle the alarm. In some embodiments, the alarm 60 is a generator or an indicator light. The alarm 60 may be disposed on the U-shaped air-insulating device 100, or may be disposed in a building management location of the internet of things, and the specific disposition position of the alarm 60 is not limited in the embodiment of the present invention.
It should be noted that the preset time can be set according to actual conditions, for example, 15 seconds.
It should be noted that the program steps involved in the controller 50 are existing program steps, and the controller 50 also uses an existing processor, for example: intel's I3 processor, AMD dragon processor, and the like.
In the embodiment of the present invention, the water tank 20 is disposed beside the U-shaped pipe 10 of the U-shaped air-isolating device 100, and a float switch 40 for detecting the water level in the water tank 20 is disposed in the water tank 20. The water inlet 201 of the water tank 20 is provided with a solenoid valve switch 30 for opening or closing the water inlet 201. When there is no water in the U-shaped pipe 10 or the water level in the U-shaped pipe 10 is lower than the water level in the water tank 20, the water in the water tank 20 may flow to the U-shaped pipe 10. When the float switch 40 detects that the water level in the water tank 20 is at a preset low level, the controller 50 controls the electromagnetic valve switch 30 to be opened, so as to supply water to the water tank 20, and controls the electromagnetic valve switch 30 to be closed when the float switch 40 detects that the water level in the water tank 20 is at a preset high level. Therefore, it is possible to prevent the U-shaped pipe 10 from being flooded with water, and thus to prevent the U-shaped gas barrier 100 from being out of order.
The embodiment of the utility model also provides an embodiment of a water drainage device, which comprises the U-shaped air-isolating device 100. For the specific structure and function of the U-shaped air-isolating device 100, reference may be made to the above embodiments, and details are not repeated here.
It should be noted that the description of the present invention and the accompanying drawings illustrate preferred embodiments of the present invention, but the present invention may be embodied in many different forms and is not limited to the embodiments described in the present specification, which are provided as additional limitations to the present invention and to provide a more thorough understanding of the present disclosure. Moreover, the above technical features are combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention described in the specification; further, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. A U-shaped gas barrier device, comprising:
the side wall of the U-shaped pipeline is provided with a water injection hole, and the water injection hole is positioned at the bottom of a U-shaped groove formed by the U-shaped pipeline;
the water tank is provided with a water storage tank, a water inlet and a water outlet which are communicated with the water storage tank, the water outlet is communicated with the water injection hole, and the water inlet is used for being connected with a water inlet pipe;
the electromagnetic valve switch is arranged at the water inlet and used for closing or opening the water inlet;
the float switch is arranged in the water storage tank and used for detecting the water level of the water storage tank;
the controller is connected with the electromagnetic valve switch and the float switch and is used for controlling the electromagnetic valve switch to be opened when the float switch detects that the water storage tank is located at a preset low water level, water is fed into the water storage tank, and the electromagnetic valve switch is controlled to be closed when the water storage tank is located at a preset high water level.
2. The U-shaped air-barrier according to claim 1, wherein the float switch comprises a float member, a slide rod, a first link, a second link, a rocker arm, a mounting member, and a contact sensor;
the installation part is fixed in the water storage tank, the installation part is provided with a water flow channel, the water flow channel is communicated with the water inlet pipe, one end of the sliding rod is fixed at the installation part, the other end of the sliding rod is fixed at the bottom of the water storage tank, the floating part is sleeved on the sliding rod and can move along the sliding rod, one end of the first connecting rod is fixed with the floating part, the other end of the first connecting rod is rotatably connected with one end of the second connecting rod, the other end of the second connecting rod is rotatably connected with one end of the rocker arm, the other end of the rocker arm is rotatably connected with the installation part, the contact sensor is arranged on the installation part and is positioned above the rocker arm, the contact sensor is connected with the controller, when the water level in the water storage tank is positioned at a preset high water level, the other end of the rocker arm contacts the contact sensor, and the controller controls the electromagnetic valve switch to be closed.
3. The U-shaped air-isolating device as claimed in claim 2, wherein the float switch further comprises a stopper fixed to the slide bar, the stopper being located at the preset low water level, the stopper being configured to abut against the floating member.
4. The U-shaped air-isolating device as claimed in claim 2, wherein the float switch further comprises a fixed block, the fixed block is fixed at the bottom of the water storage tank, and the other end of the sliding rod is fixed at the fixed block.
5. The U-shaped gas barrier according to claim 1, further comprising an alarm;
the alarm is connected with the controller, the controller is used for controlling the electromagnetic valve switch to be opened within a preset time, and the floating ball switch detects that the water level of the water storage tank is not located at a preset high water level and controls the alarm to give an alarm.
6. The U-shaped air-isolating device according to claim 1, further comprising a first connecting pipe, a second connecting pipe and a sleeve, wherein one end of the first connecting pipe is connected with the water outlet, one end of the second connecting pipe is connected with the water injection hole, and two ends of the sleeve are detachably connected with the other end of the first connecting pipe and the other end of the second connecting pipe respectively.
7. The U-shaped gas barrier device according to claim 6, wherein the other ends of the first and second connection pipes are provided with external threads, the sleeve is provided with internal threads, and both ends of the sleeve are respectively screwed with the other ends of the first and second connection pipes.
8. The U-shaped air-barrier according to claim 1, further comprising a fixing rod, wherein both ends of the fixing rod are respectively connected with the U-shaped pipe and the upper part of the water tank.
9. The U-shaped gas-isolating device according to claim 1, further comprising a switch door, wherein the switch door is used for covering the water injection hole, one end of the switch door is rotatably connected with the inner wall of the U-shaped pipeline, the rotating end of the switch door and the inner wall of the U-shaped pipeline is closer to the water inlet end of the U-shaped pipeline than the other end of the switch door and the rotating end of the inner wall of the U-shaped pipeline, and the switch door is further arranged in an inclined manner.
10. A water drainage apparatus comprising a U-shaped air-barrier according to any one of claims 1 to 9.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HK32020013998 | 2020-08-17 | ||
| HK32020013998.0 | 2020-08-17 |
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| Publication Number | Publication Date |
|---|---|
| CN216276006U true CN216276006U (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121802430.7U Active CN216276006U (en) | 2020-08-17 | 2021-08-03 | U-shaped air isolation device and drainage equipment |
| CN202110888107.4A Pending CN114075838A (en) | 2020-08-17 | 2021-08-03 | U-shaped air-isolating and water-draining equipment |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110888107.4A Pending CN114075838A (en) | 2020-08-17 | 2021-08-03 | U-shaped air-isolating and water-draining equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114075838A (en) * | 2020-08-17 | 2022-02-22 | 善美达有限公司 | U-shaped air-isolating and water-draining equipment |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3168995B2 (en) * | 1998-11-02 | 2001-05-21 | 新菱冷熱工業株式会社 | Automatic refillable water sealing trap |
| KR20100011263U (en) * | 2009-05-11 | 2010-11-19 | 종 득 신 | Drainage pipe with hose in the pipe |
| CN202108088U (en) * | 2010-12-14 | 2012-01-11 | 陶陪 | Water seal with automatic water supply device |
| CN202073152U (en) * | 2011-05-02 | 2011-12-14 | 林勇 | Automatic water supply floor drain for clean air-conditioned room |
| CN204370515U (en) * | 2014-12-29 | 2015-06-03 | 欧陆分析技术服务(苏州)有限公司 | A kind of Combined pressurization pumping plant |
| CN208219782U (en) * | 2018-05-15 | 2018-12-11 | 张怀成 | A kind of drainer of deodorization deodorization |
| CN108978811A (en) * | 2018-08-03 | 2018-12-11 | 深圳春沐源控股有限公司 | A kind of deodorization processing system and method |
| CN111335419A (en) * | 2020-04-13 | 2020-06-26 | 何倩琳 | Automatic water replenishing and changing device for sewer water seal and water replenishing and changing method |
| CN216276006U (en) * | 2020-08-17 | 2022-04-12 | 善美达有限公司 | U-shaped air isolation device and drainage equipment |
-
2021
- 2021-08-03 CN CN202121802430.7U patent/CN216276006U/en active Active
- 2021-08-03 CN CN202110888107.4A patent/CN114075838A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114075838A (en) * | 2020-08-17 | 2022-02-22 | 善美达有限公司 | U-shaped air-isolating and water-draining equipment |
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| CN114075838A (en) | 2022-02-22 |
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