CN110042910A - A kind of double-layer deodorant floor drain - Google Patents
A kind of double-layer deodorant floor drain Download PDFInfo
- Publication number
- CN110042910A CN110042910A CN201910489725.4A CN201910489725A CN110042910A CN 110042910 A CN110042910 A CN 110042910A CN 201910489725 A CN201910489725 A CN 201910489725A CN 110042910 A CN110042910 A CN 110042910A
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- Prior art keywords
- floor drain
- double
- lower shell
- wall
- valve
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Classifications
-
- 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
- E03F5/041—Accessories therefor
-
- 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
-
- 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
- E03F2005/0417—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps with an odour seal in the form of a valve
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sink And Installation For Waste Water (AREA)
Abstract
The invention discloses a kind of double-layer deodorant floor drains, including floor drain ontology, the floor drain ontology includes lower shell and upper shell, the internal diameter of the upper shell is greater than the internal diameter of lower shell, and it is connected between upper shell and lower shell by stepped plate, bonnet assemblies are equipped in the lower shell of the floor drain ontology, the bonnet assemblies include fixed plate, the jump valve being fixed in fixed plate and the valve deck being arranged on the spring head of jump valve, the fixed plate is against on the flange block of lower shell bottom end, the valve deck is salable or opens the upper end of lower shell, and the upper surface of valve deck is consistently lower than or is flush to the top surface of upper shell；There is interval between the lateral surface of the valve deck and the inner wall of upper shell；Fixing sleeve is gone back in the jump valve equipped with support base.The present invention provides dual deodorization guarantees, so that the odor-resistant result of entire floor drain greatly improves, meanwhile, compared with existing floor drain, the drainage speed of double-layer deodorant floor drain of the present invention can help floor drain to be lauched faster.
Description
Technical field
The invention belongs to technical field of drainage, and in particular to a kind of double-layer deodorant floor drain.
Background technique
Odour-proof floor drain is the important interface for connecting sewerage system and flooring, as drainage system in house
Important component, its performance quality directly affect the quality of room air, control extremely important, present family to the peculiar smell of bathroom
The big more options in front yard use odour-proof floor drain.
Existing odour-proof floor drain on the market, as shown in Figure 1, standpipe 101 and collector pipe 102 are generally included, standpipe 101
U-shaped tubulose, collector pipe 102 is plugged in standpipe 101 and 101 bottom of standpipe, standpipe are directed toward in the bottom end of collector pipe 102
101 entirety are inserted in sewage pipe 103, several water outlets 104 are equipped in the side of standpipe 101, in use, in standpipe
Water is formed in 101 achievees the purpose that deodorization to seal the bottom end of collector pipe 102, still, the odour-proof floor drain of this structure,
There is following defects: 1) spacing between 103 inner wall of 101 outer wall of standpipe and sewage pipe, decides odour-proof floor drain draining
Speed, because water is discharged from the water outlet 104 of 101 side of standpipe, and the caliber of the sewage pipe 103 in China is smaller, and caliber
The caliber of standpipe 101 is usually made big as far as possible in order to obtain preferably lower water speed for the definite value of unified standard, this
The internal diameter of collector pipe 102 can be made to become larger, to improve drainage speed, still, this design method can make instead
Drainage speed slows down, because the gap between 103 inner wall of 101 outer wall of standpipe and sewage pipe becomes smaller；2) in standpipe 101
Water due to evaporate cause horizontal plane be lower than collector pipe 102 bottom end when, then water seal loses odor-resistant result, and deodorization is caused to lose
Effect.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of double-layer deodorant floor drains, it can provide dual deodorization and protect
Barrier, meanwhile, compared with existing floor drain, greatly improve drainage speed.
In order to solve the above technical problems, a kind of technical solution of double-layer deodorant floor drain of the present invention are as follows:
The present invention discloses a kind of double-layer deodorant floor drain, including floor drain ontology, and the floor drain ontology includes lower shell and upper shell, institute
The internal diameter for stating upper shell is greater than the internal diameter of lower shell, and is connected between upper shell and lower shell by stepped plate；The floor drain
Bonnet assemblies are equipped in the lower shell of ontology, the bonnet assemblies include fixed plate, the jump valve being fixed in fixed plate and set
Set the valve deck on the spring head of jump valve, the fixed plate is against on the flange block of lower shell bottom end, the valve deck it is salable or
The upper end of lower shell is opened, and the upper surface of valve deck is consistently lower than or is flush to the top surface of upper shell；The lateral surface of the valve deck
There is interval between the inner wall of upper shell；Fixing sleeve is gone back in the jump valve equipped with support base.
The support base includes that fixing sleeve, the cut ring concentric with fixing sleeve that fixing sleeve outer ring is arranged in and setting exist
Circumferentially uniformly distributed several supporting plates on fixing sleeve outer peripheral surface, several supporting plates intersect with cut ring, the outer end of the supporting plate
Matching is fitted in the inner wall of lower shell.
The bottom end of the supporting plate outer end face has been downwardly extending lengthened plate.
The valve deck includes blind flange, the installation set for being located at blind flange bottom center and the place that blind flange bottom surface is arranged in
Annular mounting plate in installation set periphery, the installation set are set on the spring head of jump valve, the size of the annular mounting plate
Less than the internal diameter of lower shell, and the lateral surface of annular mounting plate is equipped with diaphragm seal, and the diaphragm seal can match and be sealed in lower shell
Inner wall.
The valve deck includes blind flange, the installation set for being located at blind flange bottom center, and the installation set is set in jump valve
It bounces on head, the bottom surface of the blind flange is equipped with gasket, and the gasket face matching is in the surface of stepped plate.
It is equipped with screw hole in the fixed plate, deodorization apparatus is bolted in screw hole, the deodorization apparatus includes drainpipe and divides
The lower end of stream lid, the drainpipe is inside and has been bent to form collector pipe axially upward, and the upper end of the collector pipe has envelope
Plate, and several drainage holes are equipped in the side wall of collector pipe, collection is formd between the outer wall of the collector pipe and the inner wall of drainpipe
Water cavity, the inner hole of the collector pipe are drainage hole；Shunting lid is mounted on sealing plate, and shunts the free end of lid in catchmenting
It is intracavitary；O-ring is equipped between the outer peripheral surface of the fixed plate and the inner wall of lower shell.
There is grid hole in the fixed plate.
Several drainage holes include left bank water hole and right drainage hole, and the minimum discharge level in the left bank water hole is greater than the right side
The minimum discharge level of drainage hole.
The top surface exterior angle for shunting lid is arranged in rounded corner.
The bottom surface of the water collection chamber is in semi arch structure.
It is described shunt outer side of lid wall and drain inside pipe wall between spacing be less than shunt lid inner sidewall and catchment pipe outer wall it
Between spacing.
The beneficial effects of the present invention are:
Compared with prior art, double-layer deodorant floor drain of the invention passes through the sealing between valve deck and the lower shell of floor drain ontology
And the water seal of deodorization apparatus, to achieve the purpose that the double-deck deodorization, in permanent unused situation, even if the water in water collection chamber
For envelope since evaporation causes to fail, valve deck therein and the sealing of floor drain ontology can also achieve the purpose that deodorization；
Compared with prior art, double-layer deodorant floor drain of the invention, is arranged support base in jump valve, so that increasing jump valve makes
The stability of used time；
Compared with prior art, double-layer deodorant floor drain of the invention, support base include fixing sleeve, cut ring and several supporting plates,
To which cutting falls into the intrinsic water flow of floor drain, the disposable too urgent too fast inflow floor drain ontology of water flow is prevented, caused flow velocity subtracts
Slow situation occurs, meanwhile, support base and fixed plate can be filtered the Filamentous impurity in water；
Compared with prior art, double-layer deodorant floor drain of the invention, when valve deck is when sealing up floor drain ontology, the upper table of valve deck
Face is lower than the top surface of upper shell, when valve deck opens floor drain ontology, when so that floor drain ontology realizing floor drain function, then and the upper table of valve deck
Face is flush to the top surface of upper shell, so, under any circumstance, valve deck is all in the upper shell for floor drain ontology, will not be right
User damages；
Compared with prior art, double-layer deodorant floor drain of the invention, the blowdown of the drainage hole of deodorization apparatus generally in sewer
In pipe, since the inner hole of collector pipe is drainage hole, and drainage hole is in the middle part of deodorization apparatus, in this way, need to only guarantee drainage hole
Aperture, it will be able to guarantee the drainage speed of double-layer deodorant floor drain of the invention；
Compared with prior art, double-layer deodorant floor drain of the invention, left bank water hole, right drainage hole to water collection chamber bottom distance not
Unanimously, so that the water in water collection chamber has sequencing from drainage hole discharge, such as: first flowing into the water of drainage hole from left bank water hole
Sewage pipe is flowed to, with the quick rise of water level, right drainage hole also starts to drain, then the water pair of drainage hole is flowed to from right drainage hole
The water for flowing to drainage hole from left bank water hole has the function of secondary pulse, to accelerate the drainage speed of floor drain.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of background technique of the invention；
Fig. 2 is the stereogram exploded view of double-layer deodorant floor drain of the present invention；
Fig. 3 is the structural schematic diagram of double-layer deodorant floor drain of the present invention being in close state；
Fig. 4 is the structural schematic diagram in the open state of double-layer deodorant floor drain of the present invention；
Fig. 5 is that the valve deck bottom of double-layer deodorant floor drain of the present invention has the structural schematic diagram in air-tight state of gasket；
Fig. 6 is that the valve deck bottom of double-layer deodorant floor drain of the present invention has the structural schematic diagram in the open state of gasket；
Fig. 7 is the structural schematic diagram of double-layer deodorant floor drain of the present invention and sewage pipe installation.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:
Fig. 1 to Fig. 7 is please referred to, the present invention provides a kind of double-layer deodorant floor drain, including floor drain ontology 1, and the floor drain ontology 1 includes
Lower shell 2 and upper shell 3, the internal diameter of the upper shell 3 are greater than the internal diameter of lower shell 2, and between upper shell 3 and lower shell 2
It is connected by stepped plate 4；Be equipped with bonnet assemblies in the lower shell 2 of the floor drain ontology 1, the bonnet assemblies include fixed plate 5,
The jump valve 6 being fixed in fixed plate 5 and the valve deck 8 being arranged on the spring head 7 of jump valve 6, the fixed plate 5 are against lower shell
On the flange block 9 of 2 bottom ends, the valve deck 8 it is salable or open lower shell 2 upper end, and the upper surface of valve deck 8 be consistently lower than or
It is flush to the top surface of upper shell 3；There is interval 10 between the lateral surface of the valve deck 8 and the inner wall of upper shell 3；The jump valve 6
On go back fixing sleeve equipped with support base 12.
The support base 12 includes fixing sleeve 13, the cut ring 14 concentric with fixing sleeve 13 that 13 outer ring of fixing sleeve is arranged in
And circumferentially uniformly distributed several supporting plates 15 on 13 outer peripheral surface of fixing sleeve are set, several supporting plates 15 and 14 phase of cut ring
It hands over, the outer end matching of the supporting plate 15 is fitted in the inner wall of lower shell 2.
The bottom end of 15 outer end face of supporting plate has been downwardly extending lengthened plate 16.
It is equipped with screw hole in the fixed plate 5, deodorization apparatus 17 is bolted in screw hole, the deodorization apparatus 17 includes drainpipe
18 are fixed with shunting lid 19, drainpipe 18 and shunting lid 19 by screw 11, and the lower end of the drainpipe 18 is inwardly and along axial direction
It is folded upward at and forms collector pipe 20, the upper end of the collector pipe 20 has sealing plate 21, and if being equipped in the side wall of collector pipe 20
Dry drainage hole 22 forms water collection chamber 23, the collector pipe 20 between the outer wall of the collector pipe 20 and the inner wall of drainpipe 18
Inner hole be drainage hole 24；The shunting lid 19 is mounted on sealing plate 21, and shunts the free end of lid 19 in water collection chamber 23；
O-ring 25 is equipped between the outer peripheral surface of the fixed plate 5 and the inner wall of lower shell 2.
There is grid hole in the fixed plate 5.Grid hole also acts while realizing drain function to filiform
Filtering.
18 upper end of drainpipe has external screw thread, is equipped with internal screw thread, the external screw thread of drainpipe 18 and fixation in fixed plate 5
The internal screw thread of plate 5 is spirally connected so that the deodorization apparatus 17 of double-layer deodorant floor drain of the invention can according to user demand dismantle or
Installation, and under the premise of whether there is or not deodorization apparatus 17, the present invention all has deodorant function.
Several drainage holes 22 include left bank water hole 33 and right drainage hole 34, the minimum water drain in the left bank water hole 33
Position is greater than the minimum discharge level of right drainage hole 34, it may be assumed that the distance a of the lower edge in left bank water hole 33 to 23 bottom of water collection chamber is less than the right side
The lower edge of drainage hole 34 to 23 bottom of water collection chamber distance b.
The top surface exterior angle for shunting lid 19 is arranged in rounded corner 26.
The bottom surface of the water collection chamber 23 is in 27 structure of semi arch.
The spacing shunted between 19 lateral wall of lid and 18 inner wall of drainpipe, which is less than, shunts 19 inner sidewall of lid and collector pipe
Spacing between 18 outer walls.This differentiated configuration of spacing, so that water flow of the floor drain in draining is more stable, each position
Flow velocity it is average, do not easily cause some position block.
In design process of the invention, the sealing between valve deck and floor drain ontology is realized using two ways: first
Kind technical solution are as follows: the valve deck 8 includes blind flange 28, the installation set 29 for being located at 28 bottom center of blind flange and is arranged in method
The annular mounting plate 30 in 29 periphery of installation set of blue 28 bottom surface of lid, the installation set 29 are set in the spring head 7 of jump valve 6
On, the size of the annular mounting plate 30 is less than the internal diameter of lower shell 2, and the lateral surface of annular mounting plate 30 is equipped with diaphragm seal
31, the diaphragm seal 31 can match the inner wall for being sealed in lower shell 2, and this technical solution is exactly in the outside of annular mounting plate 30
Diaphragm seal 31 is installed in face, and diaphragm seal 31 is sealed in the inner wall of lower shell 2, and this structure is simply handy, and can subtract
The internal diameter of the upper shell 3 of small floor drain ontology 1 reduces production cost, still, due to diaphragm seal 31 it is long-term be fitted in lower shell 2
The deformation that generates of inner wall, be easy to cause elastic fatigue so that seal failure, so, designer has carried out certain improvement to it,
And the second way is formd, second of technical solution are as follows: referring to Fig. 4, the valve deck 8 includes blind flange 28, is located at method
The installation set 29 of 28 bottom center of Lan Gai, the installation set 29 are set on the spring head 7 of jump valve 6, the bottom of the blind flange 28
Face is equipped with gasket 32, and 32 face of the gasket matching is in the surface of stepped plate 4.This technical solution is exactly in blind flange
Gasket 32 is arranged in 28 bottom surface, goes sealing to cover stepped plate 4 with gasket 32, thus block upper shell 3 and lower shell 2 it
Between channel, the service life is longer for total, and still, there is also certain disadvantages for it, exactly needs the upper of floor drain ontology 1
The internal diameter of cylinder 3 is bigger, if too small, the contact surface area that will lead between blind flange 28 and stepped plate 4 is too small, causes close
The sealing space of packing 32 is smaller, so as to cause cannot achieve effective leakproofness, in addition, if the internal diameter of upper shell 3 is too small,
The interval 10 that will lead between valve deck 8 and upper shell 3 not can guarantee, to slow down lower water speed.Two kinds of sealing structures it is excellent
Point, disadvantage are had nothing in common with each other, and user can select according to actual needs.
It makes an explanation below to the working principle of double-layer deodorant floor drain of the invention:
Double-layer deodorant floor drain of the invention, when not exercising the drain function of floor drain, by bottom flange 8, then jump valve 6 is beated, valve deck 8
Diaphragm seal 31 or gasket 32 seal up the entrance of lower shell 2, then valve deck 8 can prevent the foul smell in sewer from recoiling its room
It is interior, also, prevent the rubbish of flooring from falling into floor drain ontology 1, prevent sewer blockage；Floor drain is being needed to exercise drain function
When, by bottom flange 8, jump valve 6 is bounced, and the diaphragm seal 31 on valve deck 8 leaves the gasket on the inner wall or valve deck 8 of lower shell 2
32 leave stepped plate 4, penetrate through lower shell 2 and upper shell 3, sewage is along the interval 10 between upper shell 3 and valve deck 8
Upper shell 3 is flowed to, lower shell 2 is then flowed to, the support base 12 in lower shell 2 cuts water flow, so that water
Stream uniformly falls to deodorization apparatus, in addition, support base 12 also stop to the filiform in sewage, filtered, well
It prevents filiform from falling into the case where sewer is due to sewer blockage caused by winding generation, flows to the sewage of deodorization apparatus 17,
Some flows into water collection chamber 23 along the inner wall of the drainpipe 18 of deodorization apparatus 17, and remaining part is wandered to shunting lid 19
On, the top surface exterior angle due to shunting lid 19 is rounded corner 26, so, sewage can smoothly flow to the free end for shunting lid 19,
The bottom end of lid 19 is namely shunted, to avoid generating biggish noise, here, by shunting the shunting of lid 19, so that under
The sewage to fall in the middle part of cylinder 2 also can smoothly flow into water collection chamber 23, with the continuous rising of water level in water collection chamber 23, finally,
Sewage flows to drainage hole 24 from left bank water hole 33 and right drainage hole 34, to flow to sewer.
When water flow is too urgent, at 23 bottom of water collection chamber for rushing at semi arch 27, along semi arch 27 180 degree occurs for water flow
Racing, then impact upwards, a part of water have rushed at the inner wall for shunting the rounded corner 26 of lid 19, obtain certain buffering and slow
Stream, and smoothly make water turn again fall flow to drainage hole 24.
When this bright double-layer deodorant floor drain is drained, sewage finally flows into drainage hole from the drainage hole 22 of collector pipe 20
24, sewer is then flowed to, in the process, since the minimum point in left bank water hole 33 is to the distance between the bottom of water collection chamber 23
The distance between minimum point of right drainage hole 34 to the bottom of water collection chamber 23 has difference, so that the dirt in water collection chamber 23
Water flow has sequencing to drainage hole, and the sewage flowed afterwards has the function of secondary impact for the sewage first flowed, to accelerate
The flow velocity of sewage.
Double-layer deodorant floor drain is provided for the embodiments of the invention above to be described in detail, it is used herein specifically
Principle and implementation of the present invention are described for a example, the present invention that the above embodiments are only used to help understand
Revealed technical solution；At the same time, for those skilled in the art, according to the thought of the present invention, in specific embodiment party
There will be changes in formula and application range, in conclusion the content of the present specification should not be construed as limitation of the invention.
Claims (10)
1. a kind of double-layer deodorant floor drain, including floor drain ontology, the floor drain ontology includes lower shell and upper shell, the upper shell
Internal diameter be greater than lower shell internal diameter, and between upper shell and lower shell by stepped plate connection, it is characterised in that: describedly
Leak ontology lower shell in be equipped with bonnet assemblies, the bonnet assemblies include fixed plate, the jump valve being fixed in fixed plate and
Valve deck on the spring head of jump valve is set, and the fixed plate is against on the flange block of lower shell bottom end, and is equipped in fixed plate
Grid hole, the valve deck is salable or opens the upper end of lower shell, and the upper surface of valve deck is consistently lower than or is flush to upper shell
Top surface；There is interval between the lateral surface of the valve deck and the inner wall of upper shell；Fixing sleeve is gone back in the jump valve is equipped with support
Seat.
2. a kind of double-layer deodorant floor drain according to claim 1, it is characterised in that: the support base includes fixing sleeve, sets
If set fixing sleeve outer ring the cut ring concentric with fixing sleeve and be arranged in circumferentially uniformly distributed on fixing sleeve outer peripheral surface
Heavenly Stems and Earthly Branches plate, several supporting plates intersect with cut ring, and the outer end matching of the supporting plate is fitted in the inner wall of lower shell.
3. a kind of double-layer deodorant floor drain according to claim 2, it is characterised in that: the bottom end of the supporting plate outer end face is downward
Lengthened plate is extended to form.
4. a kind of double-layer deodorant floor drain according to claim 1, it is characterised in that: the valve deck includes blind flange, is located at
The installation set of blind flange bottom center and the annular mounting plate in installation set periphery that blind flange bottom surface is set, the peace
Encapsulation is set on the spring head of jump valve, and the size of the annular mounting plate is less than the internal diameter of lower shell, and annular mounting plate
Lateral surface is equipped with diaphragm seal, and the diaphragm seal can match the inner wall for being sealed in lower shell.
5. a kind of double-layer deodorant floor drain according to claim 1, it is characterised in that: the valve deck includes blind flange, is located at
The installation set of blind flange bottom center, the installation set are set on the spring head of jump valve, and the bottom surface of the blind flange is equipped with close
Packing, the gasket face matching is in the surface of stepped plate.
6. a kind of double-layer deodorant floor drain described according to claim 1 or 2 or 3 or 4 or 5, it is characterised in that: in the fixed plate
Equipped with screw hole, deodorization apparatus is bolted in screw hole, the deodorization apparatus includes that drainpipe and shunting are covered, the lower end of the drainpipe
It is bent to form inwardly and axially upward collector pipe, the upper end of the collector pipe has sealing plate, and sets in the side wall of collector pipe
There are several drainage holes, water collection chamber, the inner hole of the collector pipe are formd between the outer wall of the collector pipe and the inner wall of drainpipe
For drainage hole；The shunting lid is mounted on sealing plate, and shunts the free end of lid in water collection chamber；The periphery of the fixed plate
O-ring is equipped between face and the inner wall of lower shell.
7. a kind of double-layer deodorant floor drain according to claim 6, it is characterised in that: several drainage holes include left bank water
Hole and right drainage hole, the minimum discharge level in the left bank water hole are greater than the minimum discharge level of right drainage hole.
8. a kind of double-layer deodorant floor drain according to claim 7, it is characterised in that: the top surface exterior angle for shunting lid is in
Fillet setting.
9. a kind of double-layer deodorant floor drain according to claim 7, it is characterised in that: the bottom surface of the water collection chamber is in semi arch
Structure.
10. a kind of double-layer deodorant floor drain according to claim 6, it is characterised in that: the shunting outer side of lid wall and draining
Spacing between inside pipe wall is less than the spacing shunted between lid inner sidewall and pipe outer wall of catchmenting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910489725.4A CN110042910A (en) | 2019-06-06 | 2019-06-06 | A kind of double-layer deodorant floor drain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910489725.4A CN110042910A (en) | 2019-06-06 | 2019-06-06 | A kind of double-layer deodorant floor drain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110042910A true CN110042910A (en) | 2019-07-23 |
Family
ID=67284635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910489725.4A Pending CN110042910A (en) | 2019-06-06 | 2019-06-06 | A kind of double-layer deodorant floor drain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110042910A (en) |
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| WO2021012633A1 (en) * | 2019-07-24 | 2021-01-28 | 北京康之维科技有限公司 | Magnetic levitation-based draining and sealing method and device for sink capable of odor isolation |
| CN112922124A (en) * | 2021-01-22 | 2021-06-08 | 王润琴 | Floor drain for bathroom |
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|---|---|---|---|---|
| WO2021012633A1 (en) * | 2019-07-24 | 2021-01-28 | 北京康之维科技有限公司 | Magnetic levitation-based draining and sealing method and device for sink capable of odor isolation |
| CN112922124A (en) * | 2021-01-22 | 2021-06-08 | 王润琴 | Floor drain for bathroom |
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