CN112523327A - Floor drain with prevent stifled and deodorant function - Google Patents
Floor drain with prevent stifled and deodorant function Download PDFInfo
- Publication number
- CN112523327A CN112523327A CN202011319741.8A CN202011319741A CN112523327A CN 112523327 A CN112523327 A CN 112523327A CN 202011319741 A CN202011319741 A CN 202011319741A CN 112523327 A CN112523327 A CN 112523327A
- Authority
- CN
- China
- Prior art keywords
- floor drain
- cavity
- water inlet
- drain shell
- blocking
- 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.)
- Pending
Links
- 239000002781 deodorant agent Substances 0.000 title description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 94
- 238000007789 sealing Methods 0.000 claims abstract 2
- 230000000903 blocking effect Effects 0.000 claims description 20
- 239000010865 sewage Substances 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 13
- 239000000919 ceramic Substances 0.000 claims description 10
- 238000004332 deodorization Methods 0.000 claims description 7
- 230000002265 prevention Effects 0.000 claims description 7
- 238000010248 power generation Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000012535 impurity Substances 0.000 description 9
- 230000001877 deodorizing effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Images
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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/183—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators using impacting bodies
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/185—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators using fluid streams
Abstract
The invention discloses a floor drain with anti-blocking and anti-odor functions, which comprises a floor drain shell with a through hole with a T-shaped cross section, wherein a plurality of water inlet cavities, sliding cavities and communicating cavities are arranged in the floor drain shell, one end of each water inlet cavity is positioned on the upper surface of the floor drain shell, the other end of each water inlet cavity is positioned at the through hole of the floor drain shell, the communicating cavities are communicated with the corresponding water inlet cavities and the corresponding sliding cavities, floating plates are sleeved in the sliding cavities in a sealing and sliding mode, a plurality of first springs are fixedly connected between the floating plates and the top wall in the sliding cavities, connecting rods are glued on the upper surfaces of the floating plates, the connecting rods penetrate through the floor drain shell and extend into the through holes of the floor drain shell, and one ends. Has the advantages that: the floor drain can prevent blockage, simultaneously ensures a better drainage function, prevents water from overflowing out of a toilet when a large amount of water is drained, simultaneously prevents peculiar smell in a sewer from returning into the toilet, and ensures a good environment in the toilet.
Description
Technical Field
The invention relates to the technical field of drainage facilities, in particular to a floor drain with anti-blocking and deodorizing functions.
Background
The floor drain is one of basic drainage facilities, is often arranged in a toilet and is used for discharging water into a sewer pipe, is an important interface for connecting a drainage pipeline system and indoor ground, is an important part of a drainage system in a house, has the performance which directly influences the quality of indoor air, and is very important for controlling peculiar smell in the toilet.
In the prior art, in order to prevent sundries from entering a sewer pipe, a cover with holes is often arranged above the floor drain to cover the floor drain, so that when a large amount of water needs to be discharged, the discharge speed of the floor drain is low, the water overflows out of a toilet, the conventional floor drain has no deodorization measure, the peculiar smell of a sewer returns to the toilet, the smell of the smell in the toilet is caused, and therefore the floor drain with the functions of blocking prevention and deodorization is provided.
Disclosure of Invention
The invention aims to solve the problems of low drainage speed and no deodorization function in the prior art, and provides a floor drain with the functions of blocking prevention and deodorization.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a floor drain with prevent stifled and deodorant function, is including offering the floor drain shell that the cross-section is T shape through-hole, seted up a plurality of intake antrums, slip chamber, intercommunication chamber in the floor drain shell, intake antrum one end is located floor drain shell upper surface, and the other end is located the through-hole department of floor drain shell, intercommunication chamber intercommunication corresponds intake antrum and slip chamber, the sealed slip of slip intracavity has cup jointed the kickboard, fixedly connected with a plurality of first springs between kickboard and the slip intracavity roof, the kickboard upper surface veneer has the connecting rod, the connecting rod runs through floor drain shell and extends to its through-hole in, the one end that the connecting rod is located floor drain shell through-hole department jointly veneer has the sprue, be provided with power generation facility in the floor drain shell, be provided with on the sprue and prevent stif.
In foretell floor drain with prevent stifled and deodorant function, power generation facility includes a plurality of installation cavities of seting up in the floor drain shell, the floor drain shell runs through the rotation through the bearing and is connected with a plurality of axis of rotation, axis of rotation one end runs through and extends to the water inlet intracavity that corresponds, and the other end runs through and extends to corresponding in the installation cavity, the one end interference fit that the axis of rotation is located the installation cavity has the cam, the one end interference fit that the axis of rotation is located the water inlet intracavity has the impeller, sliding sleeve has the striking plate in the installation cavity, a plurality of second springs of fixedly connected with between striking plate and the installation cavity inside wall, installation cavity inside wall veneer has piezoceramics.
In the above floor drain with the anti-blocking and deodorizing functions, the anti-blocking device comprises a rotating disc, the rotating disc is connected with the upper surface of the blocking block in a sliding manner, a plurality of turbine blades are glued on the side wall of the rotating disc, and a rotating mechanism is arranged on the lower surface of the rotating disc.
In foretell floor drain that has and prevent stifled and deodorant function, slewing mechanism includes the dwang with the veneer of rolling disc lower surface, the dwang runs through the rotation with the sprue through the bearing and is connected and extend to in the through-hole of floor drain shell, be provided with a plurality of conducting rods in the dwang, the conducting rod passes through the wire with the piezoceramics that corresponds and establishes ties, the inside wall of floor drain shell through-hole department is inlayed and is had the permanent magnet.
In the floor drain with the anti-blocking and deodorizing functions, the upper surface of the floor drain shell is sleeved with the sewage storage box in a sliding manner, and the inner side wall of the floor drain shell and the inner side wall of the sewage storage box are both provided with the sewage inlet.
In the floor drain with the anti-blocking and anti-odor functions, the section of the water inlet cavity between the communicating cavity and the impeller is arranged in an inverted S shape.
Compared with the prior art, the invention has the advantages that:
1. when a small amount of water is discharged, water can be directly discharged into a sewer through the water inlet cavity, when a large amount of water is discharged, the water inlet cavity is filled with water, the water enters the sliding cavity through the communicating cavity, the floating plate slides upwards, the blocking block is driven to rise through the connecting rod, the through hole of the floor drain shell is opened, and the water is directly discharged from the through hole, so that the floor drain disclosed by the invention has better drainage performance;
2. when a small amount of water is drained, impurities and hair cannot directly enter a sewer through the water inlet cavity because the water inlet cavity is small in size, when a large amount of water is drained, the blocking block rises, the impeller rotates due to impact of water flow in the water inlet cavity, the cam is driven to rotate through the rotating shaft, the cam drives the impact plate to continuously impact the piezoelectric ceramic to generate electric energy, current passes through the conductive rod, the electrified conductive rod is subjected to ampere force under a magnetic field generated by the permanent magnet, the rotating rod rotates to drive the rotating plate to rotate, the turbine blades are driven to rotate, water entering the floor drain generates rotational flow, impurities and hair in water are subjected to centrifugal force in the rotational flow water and enter the dirt storage box through the dirt inlet, and therefore the impurities cannot enter the sewer and block the sewer;
3. when a small amount of water is drained, water flow enters the sewer through the water inlet cavity, and due to the water inlet cavity arranged in the inverted S shape, when the water is not drained, part of water is bound to exist at the bent part of the water inlet cavity, the water inlet cavity is blocked through the remained water, and when the water is not drained, the through hole is always sealed by the blocking block, so that peculiar smell in the sewer is effectively prevented from returning to a toilet through the floor drain, and a good environment in the toilet is ensured.
Drawings
FIG. 1 is a schematic structural view of a floor drain with anti-blocking and anti-odor functions according to the present invention;
FIG. 2 is an enlarged view of the part A of the floor drain with the anti-blocking and deodorizing functions, which is provided by the invention;
fig. 3 is an enlarged view of the position B of the floor drain with the functions of anti-blocking and deodorization provided by the invention.
Fig. 4 is a top view of the floor drain with anti-blocking and anti-odor functions provided by the present invention.
In the figure: the device comprises a floor drain shell 1, a blocking block 2, a water inlet cavity 3, a communicating cavity 4, a sliding cavity 5, a floating plate 6, a connecting rod 7, a first spring 8, a rotating rod 9, a rotating disc 10, turbine blades 11, a conductive rod 12, a permanent magnet 13, an impeller 14, a rotating shaft 15, a mounting cavity 16, a cam 17, an impact plate 18, a second spring 19, piezoelectric ceramics 20, a dirt storage box 21 and a dirt inlet 22.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1-4, a floor drain with anti-blocking and anti-odor functions comprises a floor drain shell 1 provided with a through hole with a T-shaped cross section, a plurality of water inlet cavities 3, sliding cavities 5 and communicating cavities 4 are arranged in the floor drain shell 1, one end of each water inlet cavity 3 is positioned on the upper surface of the floor drain shell 1, the other end of each water inlet cavity is positioned at the through hole of the floor drain shell 1, each communicating cavity 4 is communicated with the corresponding water inlet cavity 3 and the corresponding sliding cavity 5, a floating plate 6 is hermetically and slidably sleeved in each sliding cavity 5, each floating plate 6 is made of plastic materials and has large buoyancy in water, a plurality of first springs 8 are fixedly connected between each floating plate 6 and the inner top wall of each sliding cavity 5, a connecting rod 7 is glued on the upper surface of each floating plate 6, each connecting rod 7 penetrates through the floor drain shell 1 and extends into the through hole of the floor drain shell 1, a blocking block 2, a power generation device is arranged in the floor drain shell 1, and an anti-blocking device is arranged on the blocking block 2.
Power generation facility includes a plurality of installation cavities 16 of seting up in floor drain shell 1, floor drain shell 1 runs through the rotation through the bearing and is connected with a plurality of axis of rotation 15, 15 one ends of axis of rotation run through extend to corresponding intake antrum 3 in, the other end runs through extend to corresponding installation cavity 16 in, the one end interference fit that axis of rotation 15 is located installation cavity 16 has cam 17, the one end interference fit that axis of rotation 15 is located intake antrum 3 has impeller 14, sliding sleeve has strikeing plate 18 in the installation cavity 16, a plurality of second springs 19 of fixedly connected with between strikeing plate 18 and the 16 inside walls of installation cavity, 16 inside walls of installation cavity veneer have piezoceramics 20, rotate through impeller 14, drive cam 17 and rotate, make strikeing plate 18 constantly strike piezoceramics 20, generate the electric energy, make conducting rod 12 receive the ampere force under permanent magnet 13 magnetic field, it rotates.
The anti-blocking device comprises a rotating disc 10, the rotating disc 10 is connected with the upper surface of the blocking block 2 in a sliding mode, the side wall of the rotating disc 10 is glued with a plurality of turbine blades 11, water entering the floor drain is made to generate rotational flow through rotation of the turbine blades 11, impurities in the water enter the sewage storage box 21 under the action of centrifugal force, the impurities are prevented from entering a sewer pipeline, and a rotating mechanism is arranged on the lower surface of the rotating disc 10.
The rotating mechanism comprises a rotating rod 9 glued with the lower surface of a rotating disc 10, the rotating rod 9 and a blocking block 2 are connected in a penetrating and rotating mode through a bearing and extend into a through hole of the floor drain shell 1, a plurality of conductive rods 12 are arranged in the rotating rod 9, the conductive rods 12 are connected with corresponding piezoelectric ceramics 20 in series through leads, a permanent magnet 13 is embedded in the inner side wall of the through hole of the floor drain shell 1, each piezoelectric ceramic 20 is connected with one corresponding conductive rod 12, the initial position of each cam 17 is different, when water flow impacts each impeller 14, one or more conductive rods 12 in the rotating rod 9 are always kept in an electrified state, and when water is drained, the rotating rod 9 can always drive the rotating disc 10 to rotate.
The upper surface of the floor drain shell 1 is sleeved with a sewage storage box 21 in a sliding manner, and sewage inlets 22 are formed in the inner side wall of the floor drain shell 1 and the inner side wall of the sewage storage box 21.
The section of the water inlet cavity 3 between the communicating cavity 4 and the impeller 14 is arranged in an inverted S shape. When the inverted S-shaped water inlet cavity 3 is used for draining water, the inverted S-shaped water inlet cavity is bent out to generate a siphon effect, so that water flow can quickly obtain speed to impact the impeller 14, the impeller 14 rotates, and when the water is not drained, a part of water is surely reserved at the bent part to plug the water inlet cavity 3, and peculiar smell is prevented from returning to a toilet.
In the invention, when water is drained, if the water quantity is small, water can be directly drained into a sewer pipeline through the water inlet cavity 3, a small amount of water cannot fill the water inlet cavity 3, the through hole of the floor drain shell 1 is plugged by the plugging block 2, the aperture of the water inlet cavity 3 is small, and impurities cannot enter the sewer pipeline;
when the water volume is large, the water inlet cavity 3 is filled with water, at the moment, the water enters the sliding cavity 5 through the communicating cavity 4, the floating plate 6 floats upwards under the action of buoyancy, the plugging block 2 is driven to rise through the connecting rod 7, and the through hole of the floor drain shell 1 is opened, so that a large amount of water is directly discharged through the through hole, and the drainage capacity of the floor drain is improved;
when the water quantity is large, the water in the water inlet cavity 4 is at the inverted S-shaped bent part, a siphon effect is generated, so that the water flow impacts the impeller 14 at a high speed, the impeller 14 rotates, the impeller 14 drives the cam 17 to rotate through the rotating shaft 15, the impact plate 18 continuously impacts the piezoelectric ceramics 20 through the rotation of the cam 17 and the cooperation of the second spring 19, electric energy is generated, the conductive rods 12 electrically connected with the piezoelectric ceramics 20 are enabled to pass through, ampere force is applied to the magnetic field of the permanent magnet 13, the rotating rod 9 is driven to rotate, the rotating rod 9 drives the rotating disc 10 to rotate, as each piezoelectric ceramics 20 is connected with one corresponding conductive rod 12, the initial position of each cam 17 is different, when the water flow impacts each impeller 14, one or more conductive rods 12 in the rotating rod 9 always keep an electrified state, and when water is drained, the rotating disc 10 can be driven to rotate by the rotating rod 9 all the time, the rotating disc 10 drives the turbine impeller 11 to rotate, so that water entering the through hole of the floor drain shell 1 generates rotational flow, impurities and hair in the water are subjected to centrifugal force in the rotational flow water, the impurities enter the sewage storage box 21 through the sewage inlet 22 to be stored under the action of the centrifugal force, when the water is discharged to a certain degree and the water inlet cavity 3 is not full of water, the water in the sliding cavity 5 is discharged under the elastic force action of the first spring 8 while the turbine blades 11 do not rotate, the through hole is blocked again by the blocking block 2, at the moment, the impurities in the sewage storage box 21 cannot enter a sewer pipeline, the sewage storage box 21 is only required to be cleaned regularly, and the blockage of the sewer pipeline is avoided;
when the drainage is not carried out, as the water inlet cavity 3 is arranged in the inverted S shape, part of water is bound to exist at the bent part, the water inlet cavity 4 is plugged through the remained water, and when the drainage is not carried out, the through hole of the floor drain shell 1 is always sealed by the plugging block 2, so that the peculiar smell in the sewer is effectively prevented from returning to a toilet through the floor drain.
Although terms such as the floor drain housing 1, the block 2, the water inlet chamber 3, the communicating chamber 4, the sliding chamber 5, the floating plate 6, the connecting rod 7, the first spring 8, the rotating rod 9, the rotating disk 10, the turbine blade 11, the conductive rod 12, the permanent magnet 13, the impeller 14, the rotating shaft 15, the mounting chamber 16, the cam 17, the striking plate 18, the second spring 19, the piezoelectric ceramic 20, the dirt storage box 21, the dirt inlet 22, and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (6)
1. A floor drain with anti-blocking and anti-odor functions comprises a floor drain shell (1) provided with a through hole with a T-shaped cross section, and is characterized in that a plurality of water inlet cavities (3), sliding cavities (5) and communicating cavities (4) are formed in the floor drain shell (1), one end of each water inlet cavity (3) is located on the upper surface of the floor drain shell (1), the other end of each water inlet cavity is located at the through hole of the floor drain shell (1), each communicating cavity (4) is communicated with the corresponding water inlet cavity (3) and the corresponding sliding cavity (5), a floating plate (6) is sleeved in each sliding cavity (5) in a sealing and sliding mode, a plurality of first springs (8) are fixedly connected between each floating plate (6) and the inner top wall of each sliding cavity (5), a connecting rod (7) is glued on the upper surface of each floating plate (6), each connecting rod (7) penetrates through the floor drain shell (1) and extends into the through hole of the floor drain shell, a blocking block (2) is glued at, a power generation device is arranged in the floor drain shell (1), and an anti-blocking device is arranged on the blocking block (2).
2. The floor drain with anti-blocking and anti-odor functions as claimed in claim 1, the power generation device comprises a plurality of installation cavities (16) arranged in the floor drain shell (1), the floor drain shell (1) is in through rotary connection with a plurality of rotary shafts (15) through bearings, one end of the rotating shaft (15) penetrates and extends into the corresponding water inlet cavity (3), the other end of the rotating shaft penetrates and extends into the corresponding mounting cavity (16), one end of the rotating shaft (15) positioned in the mounting cavity (16) is in interference fit with a cam (17), one end of the rotating shaft (15) positioned in the water inlet cavity (3) is in interference fit with an impeller (14), the mounting cavity (16) is internally sleeved with a striking plate (18) in a sliding manner, a plurality of second springs (19) are fixedly connected between the striking plate (18) and the inner side wall of the mounting cavity (16), and the inner side wall of the mounting cavity (16) is glued with piezoelectric ceramics (20).
3. The floor drain with the functions of blocking prevention and deodorization according to claim 2, characterized in that the blocking prevention device comprises a rotating disc (10), the rotating disc (10) is connected with the upper surface of the blocking block (2) in a sliding manner, a plurality of turbine blades (11) are glued on the side wall of the rotating disc (10), and a rotating mechanism is arranged on the lower surface of the rotating disc (10).
4. The floor drain with the anti-blocking and anti-odor functions as claimed in claim 3, wherein the rotating mechanism comprises a rotating rod (9) glued with the lower surface of a rotating disc (10), the rotating rod (9) and the blocking block (2) are connected in a rotating mode through a bearing in a penetrating mode and extend into a through hole of the floor drain shell (1), a plurality of conducting rods (12) are arranged in the rotating rod (9), the conducting rods (12) are connected with corresponding piezoelectric ceramics (20) in series through wires, and permanent magnets (13) are embedded in the inner side wall of the through hole of the floor drain shell (1).
5. The floor drain with the functions of blocking prevention and deodorization according to claim 3, characterized in that a sewage storage box (21) is slidably sleeved on the upper surface of the floor drain shell (1), and sewage inlets (22) are formed in the inner side wall of the floor drain shell (1) and the inner side wall of the sewage storage box (21).
6. The floor drain with the functions of blocking prevention and odor prevention according to claim 2, characterized in that a section of the water inlet cavity (3) between the communicating cavity (4) and the impeller (14) is arranged in an inverted S shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011319741.8A CN112523327A (en) | 2020-11-23 | 2020-11-23 | Floor drain with prevent stifled and deodorant function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011319741.8A CN112523327A (en) | 2020-11-23 | 2020-11-23 | Floor drain with prevent stifled and deodorant function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112523327A true CN112523327A (en) | 2021-03-19 |
Family
ID=74992575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011319741.8A Pending CN112523327A (en) | 2020-11-23 | 2020-11-23 | Floor drain with prevent stifled and deodorant function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112523327A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000062888A1 (en) * | 1999-04-15 | 2000-10-26 | Hydro International Plc | Hydrodynamic vortex separator |
| US20110315616A1 (en) * | 2010-06-29 | 2011-12-29 | Roch Lafond | Catch basin trap and mounting system |
| CN105386507A (en) * | 2015-11-20 | 2016-03-09 | 重庆工商职业学院 | Buoyancy type automatic sealing deodorization floor drain |
| CN206000012U (en) * | 2016-08-29 | 2017-03-08 | 福建九井厨卫有限公司 | A kind of odour-proof floor drain |
| CN111501971A (en) * | 2020-05-08 | 2020-08-07 | 郭春燕 | Anti-blocking floor drain |
| CN111663632A (en) * | 2020-06-24 | 2020-09-15 | 惠安县品创工业设计有限公司 | Novel prevent blockking up and prevent odor floor drain |
-
2020
- 2020-11-23 CN CN202011319741.8A patent/CN112523327A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000062888A1 (en) * | 1999-04-15 | 2000-10-26 | Hydro International Plc | Hydrodynamic vortex separator |
| US20110315616A1 (en) * | 2010-06-29 | 2011-12-29 | Roch Lafond | Catch basin trap and mounting system |
| CN105386507A (en) * | 2015-11-20 | 2016-03-09 | 重庆工商职业学院 | Buoyancy type automatic sealing deodorization floor drain |
| CN206000012U (en) * | 2016-08-29 | 2017-03-08 | 福建九井厨卫有限公司 | A kind of odour-proof floor drain |
| CN111501971A (en) * | 2020-05-08 | 2020-08-07 | 郭春燕 | Anti-blocking floor drain |
| CN111663632A (en) * | 2020-06-24 | 2020-09-15 | 惠安县品创工业设计有限公司 | Novel prevent blockking up and prevent odor floor drain |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210319 |
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| RJ01 | Rejection of invention patent application after publication |