CN103790225A - Replaceable permanent combined odor-resistant floor drain core - Google Patents
Replaceable permanent combined odor-resistant floor drain core Download PDFInfo
- Publication number
- CN103790225A CN103790225A CN201310685615.8A CN201310685615A CN103790225A CN 103790225 A CN103790225 A CN 103790225A CN 201310685615 A CN201310685615 A CN 201310685615A CN 103790225 A CN103790225 A CN 103790225A
- Authority
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- China
- Prior art keywords
- water
- sealing
- floor drain
- replaceable
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- E03C1/288—Odour seals having U-shaped trap having non-return valves against return of waste water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0407—Floor drains for indoor use
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/042—Arrangements of means against overflow of water, backing-up from the drain
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F2005/0416—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps with an odour seal
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Sink And Installation For Waste Water (AREA)
Abstract
The invention discloses a replaceable permanent combined odor-resistant floor drain core which comprises a seal water pipe, a close plate and a mounting support. The seal water pipe and the mounting support are structurally integrated, a seal water chamber is formed inside the seal water pipe, the close plate is hinged to a top inlet and/or a bottom outlet of the seal water chamber and is of a valve type structure, the close plate and the seal water chamber are in closed states when the replaceable permanent combined odor-resistant floor drain core is in a constant non-drain state, the close plate is automatically opened under impulse force of water when the replaceable permanent combined odor-resistant floor drain core is in a drain state, the water can be drained, and the normal closed states of the close plate and the seal water chamber are recovered after the water is completely drained. The seal water pipe is a straight drain seal water pipe or a lateral drain seal water pipe. The seal water chamber with internal S-shaped channels is formed in the seal water pipe. The mounting support is arranged on a mounting base and is sealed. The replaceable permanent combined odor-resistant floor drain core has the advantages that components of the replaceable permanent combined odor-resistant floor drain core can be optionally combined with one another to form a single drain combination or multiple drain combinations; a thorough odor-resistant effect and permanent anti-blocking, odor-resistant, rat-proof, insect-proof, fungus-proof and anti-poison effects can be realized after a drain system with the replaceable permanent combined odor-resistant floor drain core is used, and the replaceable permanent combined odor-resistant floor drain core is convenient to mount, construct, replace and maintain.
Description
Technical field
The present invention relates to odour-proof floor drain, especially a kind of replaceable anti-combination deodorant floor drain core of a specified duration.
Background technology
Prior art odour-proof floor drain is various in style, still, still has a lot of defects: be mainly manifested in deodorization not thorough, deodorization is not lasting, does not continue, and therefore, sewer pollution problem is far from solving, and the mankind's physical and mental health in still serious harm.
Summary of the invention
The object of the present invention is to provide a kind of replaceable anti-combination deodorant floor drain core of a specified duration, use the drainage system after the present invention, thoroughly deodorization, permanent six is anti-, i.e. anti-blocking, deodorization, protection against rodents, insect protected, fungi-proofing, gas defence, is convenient to again install, construction and change and safeguard.
In order to reach above-mentioned purpose, the present invention has adopted following technical scheme, a kind of replaceable anti-combination deodorant floor drain core of a specified duration, comprise water sealing (sealing water) pipe, shrouding, mounting bracket, described water sealing (sealing water) pipe and mounting bracket connect as one formula structure, the inner water tight compartment that forms of described water sealing (sealing water) pipe, described shrouding is hinged on top inlet and/or the outlet at bottom of water tight compartment, and shrouding is shutter-type structure, under normality in the time of not draining, described shrouding and water tight compartment are closed state, in the time of draining, the impulse force of water is washed shrouding draining automatically open, the closed state under drained water returns to normal.
Described water sealing (sealing water) pipe is in line water water sealing (sealing water) pipe, and being hinged on directly over this water sealing (sealing water) pipe import and/or bottom, just to descend the shrouding in exit be horizontal sealing plate, and this shrouding is equipped with normally closed balancing weight at pin joint rear.
Described in line water water sealing (sealing water) pipe and horizontal sealing plate are assembled in line water list assembly, in line water list assembly is arbitrarily made with the many assemblys of in line water with in line water water sealing (sealing water) pipe, horizontal sealing plate again, and the many assemblys of in line water and mounting bracket are combined into the anti-many combined floor drain cores of in line water replaceable six.
Described water sealing (sealing water) pipe is side water drain tube sealing, and the shrouding that is hinged on the exit of this side, water sealing (sealing water) pipe bottom is side seal board, and the sealing surface of this shrouding and outlet is oblique lower design, is sealed in described exit by the gravity pressing of this shrouding, forms normally off.
Described side water drain tube sealing and side seal board are assembled into side draining list assembly, side draining list assembly is arbitrarily made with the many assemblys of side draining with side water drain tube sealing, side seal board again, and the many assemblys of side draining and mounting bracket are combined into the anti-many combined floor drain cores of side draining replaceable six.
Described mounting bracket is placed in mounting seat, filling with sealant material inside and outside mounting bracket; Described mounting seat is drainage pipe upper port or the ground foundation trench of drainage pipe top or the mounting seat of setting.
The described also encapsulation process that is threaded that adopts between mounting bracket and mounting seat.
Compared to prior art, the present invention has following beneficial effect:
1, collection mechanical seal and water seal advantage and the whole body, multi-sealed, deodorization is thorough;
2, moisture be difficult for evaporation and. run off, water seal is dry, and deodorization is lasting;
3, effectively isolate foul smell, germ, virus, insect etc., comprehensively deodorization;
4, draining is smooth and easy, and Automatic clearance does not stop up, and some months, even several years without disassembly, cleaning, settles at one go;
5, break through current standard, can set up new standard;
6,, because water seal is isolated, exempted from sewer and polluted;
7, be widely used in road floor drain deodorizing, control haze weather and low vacancy pollution.
Accompanying drawing explanation
Fig. 1 seals floor drain core schematic diagram under the single water seal of the replaceable anti-combination of a specified duration of in line water;
Fig. 2 seals floor drain core schematic diagram under the many water seals of the replaceable anti-combination of a specified duration of in line water;
Fig. 3 seals floor drain core schematic diagram under the single water seal of the replaceable anti-combination of a specified duration of side draining;
Fig. 4 seals floor drain core schematic diagram under the many water seals of the replaceable anti-combination of a specified duration of side draining;
Fig. 5 seals floor drain core schematic diagram in the single water seal of the replaceable anti-combination of a specified duration of in line water;
Fig. 6 seals floor drain core schematic diagram in the many water seals of the replaceable anti-combination of a specified duration of in line water;
Fig. 7 seals floor drain core schematic diagram in the single water seal of the replaceable anti-combination of a specified duration of side draining;
Fig. 8 seals floor drain core schematic diagram in the many water seals of the replaceable anti-combination of a specified duration of side draining;
Fig. 9 is the totally-enclosed floor drain core schematic diagram of the single water seal of the replaceable anti-combination of a specified duration of in line water;
Figure 10 is the totally-enclosed floor drain core schematic diagrames of the many water seals of the replaceable anti-combination of a specified duration of in line water;
Figure 11 is the totally-enclosed floor drain core schematic diagram of the single water seal of the replaceable anti-combination of a specified duration of side draining;
Figure 12 is the totally-enclosed floor drain core schematic diagrames of the many water seals of the replaceable anti-combination of a specified duration of side draining;
Figure 13 is replaceable anti-combined floor drain core scheme of installation of a specified duration.
In figure: 11, sealing sizing material, 12, in line water water sealing (sealing water) pipe, 13, side water drain tube sealing, 14, horizontal sealing plate, 15, side seal board, 16, mounting bracket, 17, the replaceable six anti-single combined floor drain cores of in line water, 18, the replaceable six anti-single combined floor drain cores of side draining, 19, the anti-many combined floor drain cores of in line water replaceable six, 20, the anti-many combined floor drain cores of side draining replaceable six, 24, interior serpentine channel water tight compartment, 30 shrouding bearings.
The specific embodiment
Relevant detailed description of the present invention and technology contents, coordinate accompanying drawing to be described as follows, but accompanying drawing only provides the use of reference with explanation, is not used for the present invention to be limited.
Embodiment 1: in line closing form under water:
Shown in Fig. 1 and Fig. 2, floor drain core is made up of in line water water sealing (sealing water) pipe 12, mounting bracket 16, horizontal sealing plate 14, is integrated with mounting bracket 16 by line water water sealing (sealing water) pipe 12, assembles with horizontal sealing plate 14, forms the replaceable six anti-single combined floor drain cores 17 of in line water.Horizontal sealing plate is hinged on this water sealing (sealing water) pipe bottom and is just descending exit, is shutter-type structure, and is closed state under normality in the time of not draining.Horizontal sealing plate is equipped with normally closed balancing weight at pin joint rear.
Be assembled in line water list assembly by line water water sealing (sealing water) pipe 12 with horizontal sealing plate 14, in line water list assembly and in line water water sealing (sealing water) pipe 12, horizontal sealing plate 14 are arbitrarily made with the many assemblys of in line water, and the many assemblys 27 of in line water are combined into the anti-many combined floor drain cores 19 of in line water replaceable six with mounting bracket 16.
In line water water sealing (sealing water) pipe 12 is take interior serpentine channel water tight compartment 24 as first-selected.
Embodiment 2: closing form under side draining:
Shown in Fig. 3 and Fig. 4, floor drain core is made up of side water drain tube sealing 13, mounting bracket 16, side seal board 15, is integrated by side water drain tube sealing 13 and mounting bracket 16, assembles with side seal board 15, forms the replaceable six anti-single combined floor drain cores 18 of side draining.The sealing surface of the outlet of side seal board and side water drain tube sealing is oblique lower design, is sealed in described exit by the gravity pressing of this shrouding, forms normally off.
Be assembled into side draining list assembly by side water drain tube sealing 13 and side seal board 15, side draining list assembly and side water drain tube sealing 13, side seal board 15 are arbitrarily made with the many assemblys of side draining, and the many assemblys of side draining and mounting bracket 16 are combined into the anti-many combined floor drain cores 20 of side draining replaceable six.
Side water drain tube sealing 13 is take interior serpentine channel water tight compartment 24 as first-selected.
Embodiment 3: in line closing form waterborne:
Shown in Fig. 5, Fig. 6, the shrouding at upper inlet place is identical with the closing plate structure at the mouth place, the end in embodiment 1, be horizontal sealing plate, the present embodiment adopts, at upper inlet place, horizontal sealing plate is set, and be provided with the shrouding support 30 for horizontal sealing plate is installed in water sealing (sealing water) pipe import department, and the outlet of the present embodiment is that bottom is in line.
Embodiment 4: closing form in side draining:
Shown in Fig. 7 and Fig. 8, the shrouding at upper inlet place is identical with the closing plate structure at the mouth place, the end in embodiment 1, be horizontal sealing plate, the present embodiment adopts, at upper inlet place, horizontal sealing plate is set, and be provided with the shrouding support 30 for horizontal sealing plate is installed in water sealing (sealing water) pipe import department, and the outlet of the present embodiment is side draining.
Embodiment 5: in line water totally enclosed form:
Shown in Fig. 9 and Figure 10, the present embodiment has adopted the combination of embodiment 1 and embodiment 3, and concrete structure repeats no more.
Embodiment 6: the totally-enclosed form of side draining:
Shown in Figure 11 and Figure 12, the present embodiment has adopted the combination of embodiment 2+ embodiment 3, and concrete structure repeats no more.
Mounting means:
Shown in Figure 13, the floor drain core of all embodiment is installed and is adopted removably above, mounting bracket 16 is placed in mounting seat, at the inside and outside filling with sealant material 11 of mounting bracket 16, cover decorative cover and fix, or adopt and be threaded and encapsulation process between mounting bracket 16 and mounting seat.
All drainage systems that uses floor drain core of the present invention, thoroughly deodorization, permanent six is anti-, i.e. and anti-blocking, deodorization, protection against rodents, insect protected, fungi-proofing, gas defence is convenient to again install, construction and change and safeguard.
The foregoing is only preferred embodiment of the present invention, non-in order to limit the scope of the claims of the present invention, other use the equivalence of patent spirit of the present invention to change, and all should all belong to the scope of the claims of the present invention.
Claims (7)
1. a replaceable anti-combination deodorant floor drain core of a specified duration, it is characterized in that, comprise water sealing (sealing water) pipe, shrouding, mounting bracket, described water sealing (sealing water) pipe and mounting bracket connect as one formula structure, the inner serpentine channel water tight compartment that forms of described water sealing (sealing water) pipe, described shrouding is hinged on top inlet and/or the outlet at bottom of described water tight compartment, and shrouding is shutter-type structure, under normality in the time of not draining, described shrouding and water tight compartment are closed state, in the time of draining, the impulse force of water is washed shrouding draining automatically open, the closed state under drained water returns to normal.
2. the replaceable anti-combination deodorant floor drain core of a specified duration of one according to claim 1, it is characterized in that, described water sealing (sealing water) pipe is in line water water sealing (sealing water) pipe, and being hinged on directly over this water sealing (sealing water) pipe import and/or bottom, just to descend the shrouding in exit be horizontal sealing plate, and this shrouding is equipped with normally closed balancing weight at pin joint rear.
3. the replaceable anti-combination deodorant floor drain core of a specified duration of one according to claim 2, it is characterized in that, described in line water water sealing (sealing water) pipe and horizontal sealing plate are assembled in line water list assembly, in line water list assembly is arbitrarily made with the many assemblys of in line water with in line water water sealing (sealing water) pipe, horizontal sealing plate again, and the many assemblys of in line water and mounting bracket are combined into the anti-many combined floor drain cores of in line water replaceable six.
4. the replaceable anti-combination deodorant floor drain core of a specified duration of one according to claim 1, it is characterized in that, described water sealing (sealing water) pipe is side water drain tube sealing, the shrouding that is hinged on the exit of this side, water sealing (sealing water) pipe bottom is side seal board, the sealing surface of this shrouding and outlet is oblique lower design, gravity pressing by this shrouding is sealed in described exit, forms normally off.
5. the replaceable anti-combination deodorant floor drain core of a specified duration of one according to claim 4, it is characterized in that, described side water drain tube sealing and side seal board are assembled into side draining list assembly, side draining list assembly is arbitrarily made with the many assemblys of side draining with side water drain tube sealing, side seal board again, and the many assemblys of side draining and mounting bracket are combined into the anti-many combined floor drain cores of side draining replaceable six.
6. the replaceable anti-combination deodorant floor drain core of a specified duration of one according to claim 1, is characterized in that, described mounting bracket is placed in mounting seat, filling with sealant material inside and outside mounting bracket; Described mounting seat is drainage pipe upper port or the ground foundation trench of drainage pipe top or the mounting seat of setting.
7. the replaceable anti-combination deodorant floor drain core of a specified duration of one according to claim 1, is characterized in that, the described also encapsulation process that is threaded that adopts between mounting bracket and mounting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310685615.8A CN103790225B (en) | 2012-12-20 | 2013-12-16 | A kind of replaceable anti-combination deodorant floor drain core of a specified duration |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105567620 | 2012-12-20 | ||
| CN2012105567620A CN103061388A (en) | 2012-12-20 | 2012-12-20 | Six-prevention sewer water drainage system and replaceable six-prevention combined floor drain thereof |
| CN201210556762.0 | 2012-12-20 | ||
| CN201310685615.8A CN103790225B (en) | 2012-12-20 | 2013-12-16 | A kind of replaceable anti-combination deodorant floor drain core of a specified duration |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103790225A true CN103790225A (en) | 2014-05-14 |
| CN103790225B CN103790225B (en) | 2016-05-11 |
Family
ID=48104254
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105567620A Pending CN103061388A (en) | 2012-12-20 | 2012-12-20 | Six-prevention sewer water drainage system and replaceable six-prevention combined floor drain thereof |
| CN201310685615.8A Expired - Fee Related CN103790225B (en) | 2012-12-20 | 2013-12-16 | A kind of replaceable anti-combination deodorant floor drain core of a specified duration |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105567620A Pending CN103061388A (en) | 2012-12-20 | 2012-12-20 | Six-prevention sewer water drainage system and replaceable six-prevention combined floor drain thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN103061388A (en) |
| WO (1) | WO2014094360A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105350634A (en) * | 2015-08-21 | 2016-02-24 | 郑光茂 | Sewage draining and isolating device |
| CN105888044A (en) * | 2014-10-12 | 2016-08-24 | 孙争鸣 | Trap and plate cover integrated check valve arranged in sewage pipe |
| CN113789846A (en) * | 2021-09-18 | 2021-12-14 | 中国电子科技集团公司第五十四研究所 | Floor drain |
| CN115059161A (en) * | 2021-08-30 | 2022-09-16 | 贺菊妍 | Anti-drying water seal floor drain |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061388A (en) * | 2012-12-20 | 2013-04-24 | 王丹 | Six-prevention sewer water drainage system and replaceable six-prevention combined floor drain thereof |
| CN104005467A (en) * | 2013-12-13 | 2014-08-27 | 王丹 | Replaceable permanently-proof combined odour-resistant floor drain core |
| CN105064649B (en) * | 2015-07-30 | 2017-11-03 | 吴铁锋 | A kind of integrated toilet bottom plate |
| CN105421570A (en) * | 2015-09-25 | 2016-03-23 | 许钱会 | Hidden leakage structure for building |
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| CN2323026Y (en) * | 1998-02-18 | 1999-06-09 | 徐锡昌 | Odour seal device for floor drain |
| CN2608568Y (en) * | 2003-04-10 | 2004-03-31 | 凤文祥 | Off odour preventing device of floor drain sewer |
| CN2632169Y (en) * | 2003-07-11 | 2004-08-11 | 武广军 | Sewer mouth sealer |
| CN2771326Y (en) * | 2005-02-02 | 2006-04-12 | 李岩 | Floor drain deodorization device |
| CN2928988Y (en) * | 2006-06-23 | 2007-08-01 | 吕军辉 | Gas resistance drain |
| CN201047226Y (en) * | 2006-12-01 | 2008-04-16 | 夏欣欣 | Gravitational force self-closing multipurpose floor drain |
| CN201050098Y (en) * | 2007-03-19 | 2008-04-23 | 梁泰安 | Up-down connecting double water barrel straight-through type drain trap |
| CN201158851Y (en) * | 2008-02-06 | 2008-12-03 | 范京来 | Floor-drain deodorizer |
| CN201354474Y (en) * | 2009-01-13 | 2009-12-02 | 赵宗刚 | Demountable floor drain resisting peculiar smell |
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| CN201495594U (en) * | 2009-06-09 | 2010-06-02 | 戴长虹 | Double-seal floor drain |
| CN101922172A (en) * | 2009-06-09 | 2010-12-22 | 戴长虹 | Combined sealing floor drain |
| KR20110067232A (en) * | 2009-12-14 | 2011-06-22 | 민병옥 | A bad smell block an apparatus |
| CN102518182A (en) * | 2010-08-12 | 2012-06-27 | 杨彦光 | Building same-floor draining technological system and formula application |
| CN104005467A (en) * | 2013-12-13 | 2014-08-27 | 王丹 | Replaceable permanently-proof combined odour-resistant floor drain core |
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| CN2209170Y (en) * | 1994-08-23 | 1995-10-04 | 金良银 | Floor drain |
| CN202380538U (en) * | 2011-12-26 | 2012-08-15 | 浙江新颖铜业有限公司 | Externally square and internally circular floor drain |
| CN203307885U (en) * | 2012-12-20 | 2013-11-27 | 王丹 | Drainage system of sixfold protective sewer |
| CN103061388A (en) * | 2012-12-20 | 2013-04-24 | 王丹 | Six-prevention sewer water drainage system and replaceable six-prevention combined floor drain thereof |
-
2012
- 2012-12-20 CN CN2012105567620A patent/CN103061388A/en active Pending
-
2013
- 2013-12-16 CN CN201310685615.8A patent/CN103790225B/en not_active Expired - Fee Related
- 2013-12-16 WO PCT/CN2013/001570 patent/WO2014094360A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2323026Y (en) * | 1998-02-18 | 1999-06-09 | 徐锡昌 | Odour seal device for floor drain |
| CN2608568Y (en) * | 2003-04-10 | 2004-03-31 | 凤文祥 | Off odour preventing device of floor drain sewer |
| CN2632169Y (en) * | 2003-07-11 | 2004-08-11 | 武广军 | Sewer mouth sealer |
| CN2771326Y (en) * | 2005-02-02 | 2006-04-12 | 李岩 | Floor drain deodorization device |
| CN2928988Y (en) * | 2006-06-23 | 2007-08-01 | 吕军辉 | Gas resistance drain |
| CN201047226Y (en) * | 2006-12-01 | 2008-04-16 | 夏欣欣 | Gravitational force self-closing multipurpose floor drain |
| CN201050098Y (en) * | 2007-03-19 | 2008-04-23 | 梁泰安 | Up-down connecting double water barrel straight-through type drain trap |
| CN201158851Y (en) * | 2008-02-06 | 2008-12-03 | 范京来 | Floor-drain deodorizer |
| CN201354474Y (en) * | 2009-01-13 | 2009-12-02 | 赵宗刚 | Demountable floor drain resisting peculiar smell |
| CN201406726Y (en) * | 2009-05-19 | 2010-02-17 | 莫国连 | Insect-resistant and odor-resistant floor drain |
| CN201495594U (en) * | 2009-06-09 | 2010-06-02 | 戴长虹 | Double-seal floor drain |
| CN101922172A (en) * | 2009-06-09 | 2010-12-22 | 戴长虹 | Combined sealing floor drain |
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| CN102518182A (en) * | 2010-08-12 | 2012-06-27 | 杨彦光 | Building same-floor draining technological system and formula application |
| CN104005467A (en) * | 2013-12-13 | 2014-08-27 | 王丹 | Replaceable permanently-proof combined odour-resistant floor drain core |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105888044A (en) * | 2014-10-12 | 2016-08-24 | 孙争鸣 | Trap and plate cover integrated check valve arranged in sewage pipe |
| CN105350634A (en) * | 2015-08-21 | 2016-02-24 | 郑光茂 | Sewage draining and isolating device |
| CN115059161A (en) * | 2021-08-30 | 2022-09-16 | 贺菊妍 | Anti-drying water seal floor drain |
| CN113789846A (en) * | 2021-09-18 | 2021-12-14 | 中国电子科技集团公司第五十四研究所 | Floor drain |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103790225B (en) | 2016-05-11 |
| CN103061388A (en) | 2013-04-24 |
| WO2014094360A1 (en) | 2014-06-26 |
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