CN104294907A - Deodorant water floor drain capable of being automatically opened and closed - Google Patents
Deodorant water floor drain capable of being automatically opened and closed Download PDFInfo
- Publication number
- CN104294907A CN104294907A CN201410610853.7A CN201410610853A CN104294907A CN 104294907 A CN104294907 A CN 104294907A CN 201410610853 A CN201410610853 A CN 201410610853A CN 104294907 A CN104294907 A CN 104294907A
- Authority
- CN
- China
- Prior art keywords
- sealing plate
- counter weight
- baffle
- cylindrical body
- driving member
- 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
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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
- E03F5/042—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
- 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
- E03F2005/0416—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps with an odour seal
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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)
- Sewage (AREA)
Abstract
The invention relates to a deodorant water floor drain capable of being automatically opened and closed. The water floor drain comprises a water collecting baffle, a cylinder main body, a sealing plate, and a counter weight hammer, wherein the water collecting baffle is fixedly mounted at an upper end opening of the cylinder main body, and a circular or elliptic water outlet pipe opening formed in the lower part of the water collecting baffle is positioned in the cylinder main body; the sealing plate which rotates around a rotating shaft is arranged at the lower part of the water outlet pipe opening of the water collecting baffle; the rotating shaft is mounted on a supporting seat arranged on the outer wall of the water outlet pipe opening or a supporting seat arranged on the inner wall of the cylinder main body through a shaft sleeve; the counter weight hammer is mounted in the cylinder main body, and is connected with one end of the sealing plate through a driving member. Through the self-weight traction of the counter weight hammer, the driving member drives the sealing plate to rotate around the rotating shaft to a horizontal position so as to block the water outlet pipe opening and realize the purpose that the floor drain is sealed for deodorization; when water is collected in the water collecting baffler, the sealing plate is automatically opened, so that drainage is realized. The deodorant water floor drain has the advantages of reasonable structure, low building cost and convenience in maintenance, and has the functions of quick deodorization, blocking prevention and backwater prevention.
Description
Technical field
The present invention relates to a kind of floor drain, specifically a kind of heavy caliber Odorless waste pipe of weight torque balance automatic shutter.
Background technology
We know, the place such as kitchen, washroom all needs to install waterproof floor drain.The floor drain drainage channel cross sections of common arm structure is little, flow velocity blocks slowly, easily, and arm depth as shallow is easy to Lou foul smell.And the floor drain of plug for seal structure also has weak point, existing several plug for seal structure floor drain mainly: (1) through-type floor drain its utilize the shaping silicone elastomer of two panels close, with current gravity, closed mouth is backed down.Shortcoming is easily hung impurity and makes poorly sealed, and flow is little.High temperature can make it be out of shape, not corrosion-resistant, and can be eaten up by worm mouse, the life-span is short.(2) floor drain of its sealed core lower end gasket structure of sealed core lower end gasket structure floor drain comprises spring, magnet-type, float-ball type, gravity mechanical formula, and they are utilize metal spring, magnet, water or gas to realize closing to the buoyancy (three prevention floor drains) of ball float, the mechanism of action of gravity reversal five type power respectively.Wherein the shortcoming of spring is that irony spring easy-to-rust damages, and magnet-type easily demagnetizes and adsorbs irony impurity.Sealed core lower end gasket structure has a core body, and the sealing mat being controlled lower end by core body is opened and closed.The pulling force effect that when not having water, sealing mat is subject to upwards is closed, and in the downward translation of water Action of Gravity Field lower seal pad when having water, form a ring gap between sealing mat and floor drain effluent pipe mouth, water is flowed out by annulus.When common weak point is draining, sealing mat level stops near floor drain pipe mouth, and sealing mat stops to fall, the main draining cross section of vertical floor drain pipe mouth from ring gap transverse drainage completely.Relative drainage speed slows down.The possibility that residue finally rests on horizontal seal pad simultaneously increases.The possibility causing sealing mat to be not closed completely increases.The core body of draining central authorities main channel generally will occupy certain space, and this also counteracts that current are descending.(3) this eccentric block type floor drain of eccentric block type (turnover panel) floor drain has pin at the two ends, position of draining round tube diameter, sealing plate with the pin at two ends for axle rotates, be the plane of adduction inclination from top to down between draining round tube to delivery port, delivery port is semicircle.The sealing plate of corresponding lid on delivery port is also semicircle, and on sealing plate, the opposite side of phase countershaft adds metal derby counter weight.Flowing water pressure makes semicircle sealing plate rotate and delivery port cross section maximum angle about 60 degree, and counter weight turns to the behind of clinoplain, and the volume of counter weight is by clinoplain space constraint behind, and balance weight is limited.The weak point of eccentric block type (turnover panel) floor drain is as follows: the tapered plane having an adduction in (1) circular row water pipe, this plane about with gutter axial clamp miter angle, this downward gradient is precipitous not, easily on lower slideway, retains debris getting.This gradient does not allow more precipitous yet again, occupies to counter weight because keep in the space, behind on this inclined-plane.(2) delivery port is semicircle, and, flow velocity little with round tube cross section delivery port phase specific discharge slowly, and easily blocks.When blocking, people usually push away residue downwards, and easily sealing plate is turned down, thus the life-span is short.(3) shaft axis of semicircle sealing plate position near circular diameter, upon closing, near the diameter of semicircle delivery port, edge and the spacing of sealing plate are fixing and very little from shaft axis distance, and during closedown, this compacted dynamics in edge directly through position is less, thus seals bad.This straight edge length through position accounts for percent 39 of this semicircle delivery port rim circumference, and this structure is unfavorable to sealing.
Summary of the invention
Technical problem to be solved by this invention overcomes above-mentioned the deficiencies in the prior art, and provide a kind of rational in infrastructure, cost is low, easy to maintenance, has that draining is fast, anti-odour, the anti-automatic shutter Odorless waste pipe returning water, anti-blockage function.
The present invention solves the problems of the technologies described above employing technical scheme: a kind of automatic shutter Odorless waste pipe, it includes the baffle that catchments, cylindrical body, sealing plate, counter weight, it is characterized in that: described in the baffle that catchments be fixedly mounted in cylindrical body upper port, the circle that baffle bottom of catchmenting is provided with or oval effluent pipe mouth are positioned at cylindrical body; Baffle effluent pipe mouth bottom of catchmenting is provided with sealing plate around an axis of rotation, and described rotating shaft is by axle sleeve is arranged on the bearing that effluent pipe mouth outer wall is provided with or cylindrical body inwall is provided with bearing; Described counter weight is arranged in cylindrical body, and it is connected with sealing plate one end by driving member; By counter weight deadweight traction, driving member drives sealing plate to rotate around the axis horizontal level, blocks effluent pipe mouth, realizes floor drain and close deodorization; Catchment and to have in baffle when catchmenting, automatically open sealing plate, realize draining.
Described baffle top of catchmenting is provided with horn opening.
Described sealing plate is circular or elliptical plate.
Described driving member is lacing wire or wire drawing or stay cord.
Described driving member is the arc-shaped gear block and tooth bar that cooperatively interact, and described arc-shaped gear block is arranged on sealing plate one end, and described tooth bar is arranged in cylindrical body, and its underpart and counter weight are connected and fixed.
Described driving member is taken turns by cotton rope and curved line and is formed, and described curved line wheel is arranged on sealing plate one end, circumferentially has groove, and the described cotton rope groove that arcuately line is taken turns is arranged, and one end is fixed on sealing plate, and the other end connects counter weight.
Described driving member is made up of two joint connecting rods.
Described baffle effluent pipe mouth bottom of catchmenting is provided with elastic rubber ring.
Described sealing plate is provided with the boss corresponding with effluent pipe mouth, and boss periphery is provided with elastic rubber ring.
Described counter weight is installed along cylindrical body inwall, is also provided with a backplate outside it.Backplate plays protection counter weight on the one hand not to be impacted by draining and pollutes, and also play the guiding role on the other hand.
The present invention's baffle that catchments is provided with bigbore circle or oval drain pipe port, in cylindrical body, drives sealing plate to rotate by counter weight, realizes the sealing of drain pipe port automatic shutter.Against existing technologies, drainage channel of the present invention does not have obstruction hinder current, the without hindrance downward discharge of current, after draining, keep sealing by gravitational moment effect is automatically closed.It is simple and reasonable for structure, draws materials conveniently, cost is low, easy to maintenance, has that draining is fast, anti-odour, anti-clogging, insect-pest, anti-bacteria are propagated, the anti-effect returning water.Can also application in similar fluid drainage mouth of pipe automatic shutter sealing in other field needs.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described.
The composition structural representation of Fig. 1 an embodiment of the present invention.
Fig. 2 is the schematic diagram of the closed condition of Fig. 1 structure of the present invention.
The schematic diagram that Fig. 3 rotating shaft of the present invention is installed.
Another schematic diagram that Fig. 4 rotating shaft of the present invention is installed.
The composition structural representation of the another kind of embodiment of Fig. 5 the present invention.
The composition structural representation of the third embodiment of Fig. 6 the present invention.
The composition structural representation of Fig. 7 the present invention the 4th kind of embodiment.
Fig. 8 sealing plate of the present invention is installed the schematic diagram of elastic rubber ring.
Label in figure is: 1. catchment baffle, 2. cylindrical body, 3. sealing plate, 4. rotating shaft, 41. axle sleeves, 42. bearings, 43. bearings, 5. elastic rubber ring, 6. driving member, 7. counter weight, 8. backplate.
Detailed description of the invention
As can be seen from Fig. 1, Fig. 2, Fig. 5, Fig. 6, Fig. 7, a kind of automatic shutter Odorless waste pipe, it includes the baffle 1 that catchments, cylindrical body 2, sealing plate 3, counter weight 7, the described baffle 1 that catchments is fixedly mounted in cylindrical body 2 upper port, and the circle that baffle 1 bottom of catchmenting is provided with or oval effluent pipe mouth are positioned at cylindrical body.Described baffle 1 top of catchmenting is provided with horn opening.
Described baffle 1 effluent pipe mouth bottom of catchmenting is provided with 4 sealing plates 3 rotated around the shaft, and described rotating shaft 4 is by axle sleeve 41 is arranged on the bearing that effluent pipe mouth outer wall is provided with or cylindrical body inwall is provided with bearing; Described counter weight 7 is arranged in cylindrical body 2, and it is connected with sealing plate 3 one end by driving member 6; When not having draining, to be conducted oneself with dignity traction by counter weight 7, driving member 6 drives sealing plate 3 to rotate around the axis horizontal level, blocks effluent pipe mouth, realizes floor drain and close deodorization; Catchment and to have in baffle when catchmenting, catchment and rely on its gravity, overcome the traction of counter weight to sealing plate 3, automatically open sealing plate 3, realize draining.Now, driving member 6 drives counter weight 7 to move up.
Described sealing plate 3 is circular or elliptical plate.
Described driving member 6 can be lacing wire or wire drawing or stay cord.As shown in Figure 1 and Figure 2, driving member 6 is smooth lacing wire or wire drawing or stay cord.It cylindrical body 2 internal face leads eye is moved along being arranged on.Leading eye is smooth vertical aperture or vertical tubule, and it is arranged on cylindrical body 2 internal face, is positioned at appropriate location corresponding under sealing plate 3 right-hand member.Lacing wire or wire drawing or stay cord one end are fixedly connected on sealing plate 3 right-hand member, and the other end connects counter weight 7.When not having draining, counter weight 7 drives sealing plate 3 to rotate clockwise horizontal level by gravity fall by lacing wire or wire drawing or stay cord and closes sealing water outlet pipe mouth.When there being draining, water Action of Gravity Field makes sealing plate 3 rotate counterclockwise to vertically sagging by horizontal level, and driving member 6 drives counter weight 7 to move up.
Described driving member 6 can also be the arc-shaped gear block 63 that cooperatively interacts and tooth bar 64, and described arc-shaped gear block 63 is arranged on sealing plate one end, and described tooth bar 64 is arranged in cylindrical body 1, and its underpart and counter weight 7 are connected and fixed.As shown in Figure 5.Arc-shaped gear block 63 and the meshing rolling of tooth bar 64, tooth bar 64 vertically slides.When not having draining, counter weight 7, the stressed whereabouts of tooth bar 64, drive arc-shaped gear block 63 to rotate clockwise, and makes sealing plate 3 turn to horizontal level and close sealing.When there being draining, water Action of Gravity Field makes sealing plate 3 rotate counterclockwise to vertically sagging by horizontal level, and arc-shaped gear block 63 is with carry-over bar 64, counter weight 7 upward sliding.Sealing plate, by the structure of moment, realizes sealing plate 3 and opens wide draining to greatest extent.Driving member 6 can drive sealing plate 3 to rotate around axle 4, and this active force mode makes sealing plate 3 rotate the effect being subject to maximum moment when different angles all the time.Sealing plate 3 can obtain the effect of this maximum moment when vertically starting to rotate and start smoothly, and sealing plate 3, when laterally cutting out, can obtain the effect of this maximum moment and press seal.
Described driving member 6 can also be taken turns 66 by cotton rope 65 and curved line and be formed, and described curved line wheel 66 is arranged on sealing plate one end, circumferentially has groove, and the groove setting of 66 taken turns by described cotton rope 65 arcuately line, and one end is fixed on sealing plate 3, and the other end connects counter weight 7.As shown in Figure 6.Curved line wheel 66 is part circular flat board wheel or circular arc wheel bar, the plane orthogonal of curved line wheel 66 is in rotating shaft 4, be fixed on sealing plate 3 right positions, its center of circle in rotating shaft 4 with cylindrical body 2 respective inner walls identity distance from maximum position, curved line wheel 66 circumferentially has groove, one end of cotton rope 65 is fixed near sealing plate 3 right side edge distance rotating shaft 4 solstics, and cotton rope 65 connects counter weight 7 downwards around wire-crossing wheel 66 groove circumferentially.
Described driving member can also be made up of two joint connecting rods.As shown in Figure 7, driving member 6 is made up of connecting rod 67, connecting rod 68, and connecting rod 68 lower end and counter weight 7 are connected and fixed, and connecting rod 67 upper end is flexibly connected with sealing plate 3 right-hand member, and lower end is connected with connecting rod 68 movable upper end.
Described rotating shaft 4 can be arranged on the bearing 42 that effluent pipe mouth outer wall is provided with by axle sleeve 41, as shown in Figure 4.
Described rotating shaft 4 also can be arranged on the bearing 43 that cylindrical body 2 inwall is provided with by axle sleeve 41, as shown in Figure 3.
As shown in Figure 1, Figure 2, shown in Fig. 5, Fig. 6, described in baffle 1 effluent pipe mouth bottom of catchmenting be provided with elastic rubber ring 5.Elastic rubber ring 5 mounting means can be that snare is outside effluent pipe mouth lower end, the lower edge of elastic rubber ring 5 is planes, the lower edge plane of elastic rubber ring 5 is slightly lower than effluent pipe mouth lower edge plane, when sealing plate 3 turns to horizontal level, sealing plate 3 and elastic rubber ring 9 lower edge plane contact, realize reliably hermetically closing.
As shown in Figure 8, described sealing plate 3 is provided with the boss corresponding with effluent pipe mouth, and boss periphery is provided with elastic rubber ring 5.
Counter weight 7 of the present invention is installed along cylindrical body inwall, is also provided with a backplate 8 outside it.Described backplate 8 is vertically fixed on cylindrical body 2 inwall at counter weight 7 correspondence position, and counter weight 7 is limited in, in backplate 8, can freely sliding up and down.Backplate plays protection counter weight on the one hand not to be impacted by draining and pollutes, and also has the effect of guide rail on the other hand, play the guiding role.
Counter weight 7 appropriate positions near of the present invention, cylindrical body 2 internal face can also be fixed with the elastic body such as magnet or spring, counter weight 7 is subject to magnet magneticaction or is connected with spring with counter weight 7 being subject to spring tension effect, plays the action effect identical with Action of Gravity Field.Because there being the power effect of magnet or spring, counter weight 7 can reduce volume.
The present invention's baffle that catchments is provided with bigbore circle or oval drain pipe port, drives sealing plate to rotate by counter weight, realizes the sealing of drain pipe port automatic shutter.Counter weight of the present invention is not fixed on sealing plate, doing so avoids counter weight take up space hinder restriction sealing plate rotate problem.Thus rotating shaft can be arranged on comparatively close to the position of cylindrical body wall, and thus cylindrical body middle section has larger space can realize heavy caliber draining.Drainage channel of the present invention does not have obstruction hinder current, the without hindrance downward discharge of current, after draining, keep sealing by gravitational moment effect is automatically closed.It is simple and reasonable for structure, draws materials conveniently, cost is low, easy to maintenance, has that draining is fast, anti-odour, anti-clogging, insect-pest, anti-bacteria are propagated, the anti-effect returning water.Can also application in similar fluid drainage mouth of pipe automatic shutter sealing in other field needs.
Claims (10)
1. an automatic shutter Odorless waste pipe, it includes the baffle that catchments, cylindrical body, sealing plate, counter weight, it is characterized in that: described in the baffle that catchments be fixedly mounted in cylindrical body upper port, the circle that baffle bottom of catchmenting is provided with or oval effluent pipe mouth are positioned at cylindrical body; Baffle effluent pipe mouth bottom of catchmenting is provided with sealing plate around an axis of rotation, and described rotating shaft is by axle sleeve is arranged on the bearing that effluent pipe mouth outer wall is provided with or cylindrical body inwall is provided with bearing; Described counter weight is arranged in cylindrical body, and it is connected with sealing plate one end by driving member; By counter weight deadweight traction, driving member drives sealing plate to rotate around the axis horizontal level, blocks effluent pipe mouth, realizes floor drain and close deodorization; Catchment and to have in baffle when catchmenting, automatically open sealing plate, realize draining.
2. automatic shutter Odorless waste pipe according to claim 1, is characterized in that: described in baffle top of catchmenting be provided with horn opening.
3. automatic shutter Odorless waste pipe according to claim 1, is characterized in that: described sealing plate is circular or elliptical plate.
4. automatic shutter Odorless waste pipe according to claim 1, is characterized in that: described driving member is lacing wire or wire drawing or stay cord.
5. automatic shutter Odorless waste pipe according to claim 1, it is characterized in that: described driving member is the arc-shaped gear block and tooth bar that cooperatively interact, described arc-shaped gear block is arranged on sealing plate one end, and described tooth bar is arranged in cylindrical body, and its underpart and counter weight are connected and fixed.
6. automatic shutter Odorless waste pipe according to claim 1, it is characterized in that: described driving member is taken turns by cotton rope and curved line and formed, described curved line wheel is arranged on sealing plate one end, circumferentially there is groove, the described cotton rope groove that arcuately line is taken turns is arranged, one end is fixed on sealing plate, and the other end connects counter weight.
7. automatic shutter Odorless waste pipe according to claim 1, is characterized in that: described driving member is made up of two joint connecting rods.
8. automatic shutter Odorless waste pipe according to claim 1, is characterized in that: described in baffle effluent pipe mouth bottom of catchmenting be provided with elastic rubber ring.
9. automatic shutter Odorless waste pipe according to claim 1, it is characterized in that: described sealing plate is provided with the boss corresponding with effluent pipe mouth, boss periphery is provided with elastic rubber ring.
10. automatic shutter Odorless waste pipe according to claim 1, is characterized in that: described counter weight is installed along cylindrical body inwall, is also provided with a backplate outside it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410610853.7A CN104294907A (en) | 2014-11-04 | 2014-11-04 | Deodorant water floor drain capable of being automatically opened and closed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410610853.7A CN104294907A (en) | 2014-11-04 | 2014-11-04 | Deodorant water floor drain capable of being automatically opened and closed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104294907A true CN104294907A (en) | 2015-01-21 |
Family
ID=52314832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410610853.7A Pending CN104294907A (en) | 2014-11-04 | 2014-11-04 | Deodorant water floor drain capable of being automatically opened and closed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104294907A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106703162A (en) * | 2016-11-24 | 2017-05-24 | 姜天佑 | Gravity turning plate floor drain |
| CN107663894A (en) * | 2017-11-15 | 2018-02-06 | 中国建筑第二工程局有限公司 | Full-automatic discharge opening based on water pressure sensing |
| CN108426067A (en) * | 2017-02-14 | 2018-08-21 | 姜天佑 | Gravity traction turnover plate one-way valve |
| CN108678122A (en) * | 2018-06-28 | 2018-10-19 | 武汉圣禹排水系统有限公司 | Current divider and building |
| CN109958796A (en) * | 2017-12-24 | 2019-07-02 | 姜天佑 | Torsion turnover panel leakproof one-way valve |
| CN112302138A (en) * | 2019-08-01 | 2021-02-02 | 中国石油天然气股份有限公司 | Floor drain |
| CN114045737A (en) * | 2021-10-26 | 2022-02-15 | 高峰 | Instrument is drawn to factory building construction land used marking |
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| CN2706524Y (en) * | 2003-07-25 | 2005-06-29 | 王焕南 | Automatically opening or closing odour-preventing floor drain |
| CN101387349A (en) * | 2007-09-14 | 2009-03-18 | 俞文迪 | Pulley type skip non-return valve |
| CN201428166Y (en) * | 2009-07-13 | 2010-03-24 | 张卫 | Cover plate type floor drain |
| KR20110080460A (en) * | 2010-01-06 | 2011-07-13 | 김원제 | The trap of drain pipe for blocking polluted air flow backward |
| CN102155041A (en) * | 2011-01-27 | 2011-08-17 | 魏善龙 | Floor drain and manufacturing method thereof |
| CN202227463U (en) * | 2011-09-15 | 2012-05-23 | 于树贵 | Improved floor drain |
| CN202912529U (en) * | 2012-11-29 | 2013-05-01 | 殷晨波 | Loading elevator capable of vertically ascending and descending |
| JP2014105500A (en) * | 2012-11-28 | 2014-06-09 | Evuc Kk | Drain valve |
| CN204151894U (en) * | 2014-11-04 | 2015-02-11 | 哈尔滨工业大学（威海） | A kind of automatic shutter Odorless waste pipe |
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2014
- 2014-11-04 CN CN201410610853.7A patent/CN104294907A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2706524Y (en) * | 2003-07-25 | 2005-06-29 | 王焕南 | Automatically opening or closing odour-preventing floor drain |
| CN101387349A (en) * | 2007-09-14 | 2009-03-18 | 俞文迪 | Pulley type skip non-return valve |
| CN201428166Y (en) * | 2009-07-13 | 2010-03-24 | 张卫 | Cover plate type floor drain |
| KR20110080460A (en) * | 2010-01-06 | 2011-07-13 | 김원제 | The trap of drain pipe for blocking polluted air flow backward |
| CN102155041A (en) * | 2011-01-27 | 2011-08-17 | 魏善龙 | Floor drain and manufacturing method thereof |
| CN202227463U (en) * | 2011-09-15 | 2012-05-23 | 于树贵 | Improved floor drain |
| JP2014105500A (en) * | 2012-11-28 | 2014-06-09 | Evuc Kk | Drain valve |
| CN202912529U (en) * | 2012-11-29 | 2013-05-01 | 殷晨波 | Loading elevator capable of vertically ascending and descending |
| CN204151894U (en) * | 2014-11-04 | 2015-02-11 | 哈尔滨工业大学（威海） | A kind of automatic shutter Odorless waste pipe |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106703162A (en) * | 2016-11-24 | 2017-05-24 | 姜天佑 | Gravity turning plate floor drain |
| CN108426067A (en) * | 2017-02-14 | 2018-08-21 | 姜天佑 | Gravity traction turnover plate one-way valve |
| CN107663894A (en) * | 2017-11-15 | 2018-02-06 | 中国建筑第二工程局有限公司 | Full-automatic discharge opening based on water pressure sensing |
| CN109958796A (en) * | 2017-12-24 | 2019-07-02 | 姜天佑 | Torsion turnover panel leakproof one-way valve |
| CN108678122A (en) * | 2018-06-28 | 2018-10-19 | 武汉圣禹排水系统有限公司 | Current divider and building |
| CN112302138A (en) * | 2019-08-01 | 2021-02-02 | 中国石油天然气股份有限公司 | Floor drain |
| CN114045737A (en) * | 2021-10-26 | 2022-02-15 | 高峰 | Instrument is drawn to factory building construction land used marking |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150121 |
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