CN103469867B - Floor drain - Google Patents
Floor drain Download PDFInfo
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- CN103469867B CN103469867B CN201310443374.6A CN201310443374A CN103469867B CN 103469867 B CN103469867 B CN 103469867B CN 201310443374 A CN201310443374 A CN 201310443374A CN 103469867 B CN103469867 B CN 103469867B
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- floor drain
- drainage cup
- housing
- delivery port
- framework
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Abstract
The invention provides a floor drain belonging to the technical field of building materials and solving the problems that an existing floor drain is low in pollution discharge efficiency, easy to block and inconvenient to clean. The floor drain comprises a shell which is provided with a water inlet and a water outlet and is internally provided with a cavity, wherein the water inlet is formed in the upper end of the shell, a panel is arranged at the upper end of the shell, the water outlet is formed in the lower end of the shell, a filter member is arranged at the water outlet, and a closed structure for preventing odor from reversely diffusing is fixedly connected to the water outlet. The floor drain has the advantages of being high in pollution discharge efficiency, convenient to clean, difficult to block, and the like.
Description
Technical field
The invention belongs to building material technical field, relate to a kind of floor drain.
Background technology
Floor drain is the drainage fixture that a kind of ground is connected with sewerage system, plays sewer, prevents returning the effect such as taste, insect-pest.Along with the requirement of people to quality of the life is more and more higher, the places such as washroom, kitchen and balcony are generally all provided with floor drain, and the demand of floor drain is also day by day increase.
Existing floor drain, such as Chinese patent literature data discloses a kind of floor drain [application number 200920195117.4; Authorization Notice No.: CN201517246U], it comprises filter cover, filter disc and floor drain body, floor drain body is tubular structure, floor drain body top is provided with entrance, the sidewall of floor drain body is provided with outlet, and filter disc is arranged on the entrance of floor drain body, and the top of filter disc is provided with filter cover, be provided with deflection plate in floor drain body, floor drain body interval is become the U-shaped pipeline that bottom communicates by deflection plate.
The floor drain of this kind of structure, filter cover can only filter the larger impurity of volume, the similar effect playing trim, not that king-sized impurity is easy to enter in floor drain body as hair and some volumes, on the inside wall sticking to floor drain body and deflection plate, floor drain pollution-discharging efficiency is reduced greatly, even may block floor drain.And during cleaning, by whole for floor drain body taking-up, then need rinse, but due to the volume of floor drain body internal cavities inherently less, again because the existence of deflection plate, clean very inconvenient, and not easily clean up.
Summary of the invention
The object of the invention is for the above-mentioned problems in the prior art, provide a kind of floor drain, the cleaning of this floor drain is convenient, solves the problem of floor drain blocking; And effectively prevent foul smell, bedbug enters indoor.
Object of the present invention realizes by following technical proposal: a kind of floor drain, comprise one and have water inlet and delivery port and the inner housing for cavity, described water inlet is positioned at the upper end of described housing and this end place is provided with panel, described delivery port is positioned at the lower end of described housing, it is characterized in that, described water outlet is provided with filtration members, and described water outlet is also fixed with the closed structure preventing stink anti-channeling.
During cleaning, use drag hook to be pulled out by panel, then take out filtration members, the hair be attached in filtration members, dirt etc. are washed, cleaning is simple, and floor drain not easily blocks; The closed structure that water outlet is installed effectively prevents the foul smell in the sewer of floor drain downstream, bedbug enters into indoor, and holding chamber environment is good.
In above-mentioned a kind of floor drain, described closed structure comprises drainage cup and is connected in the adjutage of described housing water outlet, described drainage cup is positioned at described adjutage, and the upper port of described drainage cup is connected with described delivery port, have gap between the lateral wall of described drainage cup and the inside wall of described adjutage, described filtration members is positioned at described drainage cup.Ponding after part filters after filtration, flows through drainage cup and enters in adjutage, and from overflow stream in adjutage to sewer, owing to all the time there is ponding in adjutage, and the horizontal plane of ponding exceeds the lower port of drainage cup, form water-stop, effectively prevent foul smell, bedbug enters into indoor.
As another kind of situation, in above-mentioned a kind of floor drain, described closed structure comprises vertical pipe, sealing plate and spring, described sealing plate is positioned at described vertical pipe, one end of described spring is connected mutually with described sealing plate, the other end is connected mutually with described housing, and described filtration members is positioned at the upper port place of vertical pipe.Ponding after filtration part filter after, enter into vertical pipe, and sealing plate is washed in the elastic force effect overcoming spring open, ponding is discharged from the gap between vertical pipe and sealing plate, when ponding emptying, under the elastic force effect of spring, sealing plate resets, reseal, cut off vertical pipe, effectively prevent foul smell, bedbug enters into indoor.
In above-mentioned a kind of floor drain, described housing water outlet is fixed with draining shell, and the sidepiece of described draining shell has gutter, and described adjutage is connected mutually with described draining shell, and the port of described adjutage is downward-sloping towards described gutter.Adjutage one side ports tilts, and namely the overfall of this side is lower, and water overflows from this, and flows to draining shell, reasonable in design, and the ponding in draining shell flows out along gutter, and structure is simple.
In above-mentioned a kind of floor drain, the quantity of described closed structure is two, and left and right is symmetrical set centered by described gutter.Two adjutages are connected in the both ends place of draining shell, two closed structures, namely also have two drainage channels, accelerate the discharge of ponding, and discharge value is large, and indoor are ponding not easily.
In above-mentioned a kind of floor drain, between described draining shell and described housing, there is drain cap, between described drain cap and described housing, there is seal washer, described drain cap have two locating holes, the upper end of described drainage cup has location division, and described location division is connected to described locating hole place.Two corresponding two closed structures of locating hole, drainage cup hangs over the locating hole place of drain cap, and drain cap plays the effect of location to drainage cup, and gap between seal washer sealing drain cap and housing, anti-sealing oozes out from this gap, good sealing effect.
In above-mentioned a kind of floor drain, the center of described delivery port has compressing tablet, and described compressing tablet is connected mutually with described housing, has the degree of tightness part described drainage cup being fixed or unclamps between described compressing tablet and described drain cap.
In above-mentioned a kind of floor drain, described degree of tightness part is strip, and the sidewall at described both ends, degree of tightness part long limit has the stop part bent upward, the size on the described long limit of degree of tightness part is greater than the distance between two described drainage cup location divisions, and the size of described degree of tightness part minor face is less than the distance between two described drainage cup location divisions.Degree of tightness part is positioned between compressing tablet and drain cap, stop part makes degree of tightness part come off, rotate forward degree of tightness part, the sidewall of stop part is resisted against on compressing tablet, now the location division of drainage cup is pushed down on the long limit of degree of tightness part, drainage cup is made to be fixed in adjutage, in anti-antipriming pipe, sewage gush and produce loosening, drainage cup not easily moves, and sealing, good filtration effect, rotate backward degree of tightness part, the face of stop part is resisted against on compressing tablet, now degree of tightness part is no longer pressed on drainage cup, and drainage cup is taken out, convenient cleaning.
In above-mentioned a kind of floor drain, between described location division and drain cap, there is sealing ring.Gap between sealing ring sealing location division and drain cap, anti-sealing oozes out from this gap, good sealing effect.
In above-mentioned a kind of floor drain, described filtration members is tapered, and is made up of plastics or metal material, and the top of described filtration members has crawl section, and bottom has locating ring, and middle part has multiple filter bores.Filtration members filtration, prevents the impurity such as hair, dirt from blocking floor drain, after pull-out panel, catches the crawl section of filtration members filtration members can be taken out, convenient to remove, easy to clean.
As another kind of situation, in above-mentioned a kind of floor drain, described filtration members is screen pack.Screen pack filtration.
In above-mentioned a kind of floor drain, the inside wall of described drainage cup has annular gear edge, described locating ring is resisted against described annular gear along above making described filtration members be positioned in described drainage cup.Annular gear is along holding filtration members, and make filtration members be positioned in drainage cup, filtration members is not easily rocked under the impact of water, the good stability of filtration members, good filtration effect.
In above-mentioned a kind of floor drain, described housing comprises framework and base plate, and the projection of described framework in the vertical direction is positioned at described base plate, and described delivery port is positioned on the base plate at described frame center place.The inner side of framework and the upper surface of base plate form cavity, and cavity is rectangular-shaped, and delivery port is the through hole running through base plate, and delivery port is positioned at inside framework, the center of base plate, and the time that the water of such both sides flows to needed for delivery port is basically identical.
In above-mentioned a kind of floor drain, described base plate both ends place all has feet, and the quantity of described feet is two or four.It is more firm that feet makes floor drain install.
In above-mentioned a kind of floor drain, described feet comprises clamp, lifting nail, base and is connected in pedestal L-shaped on described base plate, described clamp is enclosed within described pedestal, and described lifting is followed closely one end and is connected with described clamp, and the other end is connected with described base.By adjustment lifting nail, the height of adjustment feet, thus change the height of floor drain, floor drain panel and installation ground are matched.
In above-mentioned a kind of floor drain, described base is connected mutually by setscrew and ground.Setscrew makes floor drain fix on the ground, installation more firm.
In above-mentioned a kind of floor drain, described panel is rectangle, square or triangle, the shape of described framework and the mating shapes of described panel.Dial hood is on framework, and panel and framework all make rectangle, and drainage area is large, and ground ponding can be assembled faster and enter in floor drain, and the cavity of floor drain is comparatively large, and savings amount is large, and ground not easily produces ponding; Because housing, panel are longer, across the shower cubicle between bathroom and washroom, draining can be carried out to shower cubicle and washroom simultaneously, reduce the installation quantity of floor drain, reduce the complexity of family's blowoff line, reduce installation cost; Other shapes then set according to actual needs.
Compared with prior art, floor drain provided by the invention has the following advantages:
1, the housing of this floor drain and panel are all rectangle, and drainage area is large, and be convenient to the gathering of the surface water, ground is ponding not easily, and be provided with two delivery ports, and displacement is large, and drainage efficiency is high.
2, this floor drain is provided with filtration members at water outlet, filter out the dirts such as hair, floor drain not easily blocks, and be also provided with closed structure at water outlet, adjutage in closed structure and the water seal depth between drainage cup reach 50mm, play the effect of water-stop, moisture storage capacity is very large, even if the effect of sealing also can be played when dry weather for a long time, under the cooperation of water-stop, sealing ring and seal washer, effectively prevent the foul smell in the sewer of floor drain downstream, bedbug enters into indoor, indoor environment is good.
3, this floor drain uses drag hook pull-out panel, rotate degree of tightness part again, the lug on drainage cup is caught to take out drainage cup, catch the crawl section of filtration members to take out filtration members, rinse housing, filtration members and drainage cup etc. all very convenient, during installation, drainage cup is put in locating hole, filtration members is put in drainage cup, rotates degree of tightness part and fix drainage cup, easy accessibility.
4, this floor drain can across shower cubicle and washroom, makes to use between bathroom a floor drain can the row's of solution water problem, reduces the installation quantity of floor drain, makes drainage pipe more simple, reduction installation cost
Accompanying drawing explanation
Fig. 1 is the overall structure explosive view of this floor drain embodiment one.
Fig. 2 is the overall structure sectional view after this floor drain embodiment one is installed.
Fig. 3 is the lateral view of this floor drain.
Fig. 4 is the local structural representation leaking filtration members.
Fig. 5 is the structural representation of this floor drain degree of tightness part.
Fig. 6 is the structural representation of this floor drain embodiment two closed structure.
In figure, 1, housing; 1a, water inlet; 1b, delivery port; 1c, framework; 1d, base plate; 2, panel; 3, filtration members; 3a, crawl section; 3b, locating ring; 3c, filter bores; 4, drainage cup; 4a, location division; 4b, annular gear edge; 5, adjutage; 6, vertical pipe; 7, sealing plate; 8, spring; 9, draining shell; 10, gutter; 11, drain cap; 11a, locating hole; 12, seal washer; 13, compressing tablet; 14, degree of tightness part; 14a, stop part; 15, sealing ring; 16, feet; 16a, clamp; 16b, lifting nail; 16c, base; 16d, pedestal; 17, setscrew.
Detailed description of the invention
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
Embodiment one
As shown in Figure 1, local bottom pour ladle draws together housing 1, panel 2, filtration members 3 and closed structure.
As shown in Figure 1 and Figure 2, the panel 2 in the present embodiment is rectangle, and when actual production, panel can be made triangle, square.The both sides of panel 2 are downwards in 90 degree of bendings, and in the present embodiment, equidistant and be parallelly distributed with a rectangular limbers of row on panel 2, in actual production, various pattern, when not affecting draining, can be made in the limbers on panel 2.Housing 1 is also rectangle, comprise framework 1c and base plate 1d, framework 1c is connected with base plate 1d phase, the projection of framework 1c in the vertical direction is positioned at base plate 1d, panel 2 covers on framework 1c, and the both sides of framework 1c are clamped in the both sides of panel 2, the shape of framework and the mating shapes of panel, when actual production, framework can be made triangle, square.The upper port of framework 1c is water inlet 1a, base plate 1d has the through hole run through, through hole is positioned at framework 1c and is positioned at the center of framework 1c, this through hole is delivery port 1b, the centre of delivery port 1b has compressing tablet 13, the two ends of compressing tablet 13 are connected with base plate 1d phase, and compressing tablet 13 makes delivery port 1b be divided into two.The delivery port 1b place of housing 1 has closed structure, in the present embodiment, the quantity of closed structure is two, corresponding with the quantity of delivery port 1b, set according to actual needs during actual production, closed structure comprises drainage cup 4, adjutage 5, drain cap 11, draining shell 9, sealing ring 15 and seal washer 12.Draining shell 9 and drain cap 11 are connected by screw, draining shell 9 and drain cap 11 are connected in the downside of base plate 1d again by screw, encase whole for delivery port 1b, drain cap 11, between draining shell 9 and base plate 1d, is fixed with seal washer 12 between drain cap 11 and base plate 1d.The middle of draining shell 9 has gutter 10, and centered by gutter 10, the both ends of draining shell 9 are respectively fixed with an adjutage 5, and the port of adjutage 5 is downward-sloping towards gutter 10, and the water overflowed in adjutage 5 is flowed towards gutter 10 place.Drain cap 11 has a pair locating hole 11a, locating hole 11a and delivery port 1b is just to setting.Drainage cup 4 runs through, upper end is location division 4a, location division 4a and locating hole 11a matches, and location division 4a is connected to locating hole 11a place, makes drainage cup 4 hang in drain cap 11, the upper port of drainage cup 4 location division 4a is connected with delivery port 1b, the lower end of drainage cup 4 is positioned at adjutage 5, has gap between the lateral wall of drainage cup 4 and the inside wall of adjutage 5, and the lower port of drainage cup 4 and the vertical distance of adjutage 5 port are 50mm, namely, during water-stop, the height of water is at least 50mm.Between the location division 4a of drainage cup 4 and drain cap 11, there is sealing ring 15.The inside wall of drainage cup 4 has annular gear along 4b, annular gear holds filtration members 3 along 4b, as shown in Figure 4, the filtration members 3 of the present embodiment is tapered, comprise the locating ring 3b of bottom, the crawl section 3a at top, middle part has multiple filter bores 3c, locating ring 3b is resisted against annular gear along on 4b, make filtration members 3 be positioned in drainage cup 4, filtration members 3 is made up of metal material, also can make with plastic material during actual production, actual time, screen pack also can be used as filtration members 3.
Be positioned with degree of tightness part 14 between pressing plate and drain cap 11, as shown in Figure 5, degree of tightness part 14, in strip, the sidewall at both ends, degree of tightness part 14 long limit respectively has a stop part 14a bent upward.After drainage cup 4 is installed to drain cap 11, rotate forward degree of tightness part 14, the sidewall of stop part 14a is resisted against on pressing plate, and the two ends on the long limit of degree of tightness part 14 are pressed in the 4a place, location division of two drainage cups 4 respectively, make drainage cup 4 be fixed on drain cap 11 place, drainage cup 4 can not rock; The face reversely rotating degree of tightness part 14, stop part 14a is resisted against on pressing plate, and degree of tightness part 14 is no longer pressed on the location division 4a of drainage cup 4, is conveniently taken out by drainage cup 4.
As Fig. 1, shown in Fig. 3, in the present embodiment, the both ends of base plate 1d have four feets 16, can with two feets 16 in actual production, feet 16 comprises clamp 16a, lifting nail 16b, base 16c and be connected in pedestal 16d L-shaped on base plate 1d, pedestal 16d, clamp 16a, base 16c has screwed hole, clamp 16a is enclosed within pedestal 16d, lifting nail 16b comprises screw rod and adjusting nut, one end of screw rod is through in the screwed hole of pedestal 16d and clamp 16a, the other end is through in the screwed hole of base 16c, by selecting adjusting nut, regulate the height of feet 16, thus regulate floor drain to make it suitable with installation ground.More firm in order to install, by setscrew 17, base 16c and ground can be fixed.
During use, ponding flows to the cavity of housing 1 by panel 2 from ground, and flow in drainage cup 4 after being filtered by filtration members 3, flow in adjutage 5, the water in adjutage 5 overflows from port lower towards gutter 10, realizes the object of draining.During cleaning, use drag hook pull-out panel 2, then rotate degree of tightness part 14, take out drainage cup 4 and filtration members 3, clean, due to drainage cup 4 having lug, therefore convenient to remove, after cleaned, replace, then rotate degree of tightness part 14 and compress drainage cup 4, drainage cup 4 is fixed.
Embodiment two
As shown in Figure 6, the present embodiment is substantially identical with principle with the structure of embodiment one, and different places is, in the present embodiment, closed structure comprises vertical pipe 6, sealing plate 7 and spring 8, the upper port of vertical pipe 6 is positioned with filtration members 3, and be connected with delivery port 1b, sealing plate 7 is positioned at vertical pipe 6, and one end of spring 8 is connected mutually with sealing plate 7, the other end is connected mutually with housing 1, current overcome the object that spring 8 elastic force reaches draining, and namely sealing plate 7 plays the effect of sealing after resetting, structure is simple.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ housing 1 herein, water inlet 1a, delivery port 1b, framework 1c, base plate 1d, panel 2, filtration members 3, crawl section 3a, locating ring 3b, filter bores 3c, drainage cup 4, location division 4a, annular gear is along 4b, adjutage 5, vertical pipe 6, sealing plate 7, spring 8, draining shell 9, gutter 10, drain cap 11, locating hole 11a, seal washer 12, compressing tablet 13, degree of tightness part 14, stop part 14a, sealing ring 15, feet 16, clamp 16a, lifting nail 16b, base 16c, pedestal 16d, term such as setscrew 17 grade, but do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (7)
1. a floor drain, comprise one and have water inlet (1a) and delivery port (1b) and the inner housing (1) for cavity, described water inlet (1a) is positioned at the upper end of described housing (1) and this end place is provided with panel (2), housing (1) comprises framework (1c) and base plate (1d), framework (1c) is connected mutually with base plate (1d), the projection of framework (1c) in the vertical direction is positioned at base plate (1d), panel (2) covers on framework (1c), the both sides of framework (1c) are clamped in the both sides of panel (2), the shape of framework (1c) and the mating shapes of panel (2), described delivery port (1b) is positioned at the lower end of described housing (1), it is characterized in that, described delivery port (1b) place is provided with filtration members (3), described delivery port (1b) place is also fixed with the closed structure preventing stink anti-channeling, described closed structure comprises drainage cup (4) and adjutage (5), described drainage cup (4) is positioned at described adjutage (5), and the upper port of described drainage cup (4) is connected with described delivery port (1b), between the lateral wall of described drainage cup (4) and the inside wall of described adjutage (5), there is gap, described filtration members (3) is positioned at described drainage cup (4), described housing (1) delivery port (1b) place is fixed with draining shell (9), described adjutage (5) is connected mutually with described draining shell (9), between described draining shell (9) and described housing (1), there is drain cap (11), the center of described delivery port (1b) has compressing tablet (13), described compressing tablet (13) is connected mutually with described housing (1), have between described compressing tablet (13) and described drain cap (11) and make the rotating degree of tightness part (14) that described drainage cup (4) is fixing or unclamp.
2. a kind of floor drain according to claim 1, it is characterized in that, the sidepiece of described draining shell (9) has gutter (10), and the port of described adjutage (5) is downward-sloping towards described gutter (10).
3. a kind of floor drain according to claim 2, is characterized in that, the quantity of described closed structure is two, and left and right is symmetrical set centered by described gutter (10).
4. a kind of floor drain according to claim 3, it is characterized in that, between described drain cap (11) and described housing (1), there is seal washer (12), described drain cap (11) have two locating holes (11a), the upper end of described drainage cup (4) has location division (4a), and described location division (4a) is connected to described locating hole (11a) place.
5. a kind of floor drain according to claim 4, it is characterized in that, described degree of tightness part (14) is in strip, and the sidewall at described both ends, degree of tightness part (14) long limit has the stop part (14a) bent upward, the size on described degree of tightness part (14) long limit is greater than the distance between two described drainage cups (4) location division (4a), and the size of described degree of tightness part (14) minor face is less than the distance between two described drainage cups (4) location division (4a).
6. a kind of floor drain according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that, described filtration members (3) is tapered, and be made up of plastics or metal material, the top of described filtration members (3) has crawl section (3a), bottom has locating ring (3b), and middle part has multiple filter bores (3c).
7. a kind of floor drain according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that, described base plate (1d) both ends place all has feet (16), the quantity of described feet (16) is two or four, described feet (16) comprises clamp (16a), lifting nail (16b), base (16c) and be connected in the upper L-shaped pedestal (16d) of described base plate (1d), described clamp (16a) is enclosed within described pedestal (16d), described lifting nail (16b) one end is connected with described clamp (16a), the other end is connected with described base (16c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310443374.6A CN103469867B (en) | 2013-09-24 | 2013-09-24 | Floor drain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310443374.6A CN103469867B (en) | 2013-09-24 | 2013-09-24 | Floor drain |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103469867A CN103469867A (en) | 2013-12-25 |
| CN103469867B true CN103469867B (en) | 2015-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310443374.6A Expired - Fee Related CN103469867B (en) | 2013-09-24 | 2013-09-24 | Floor drain |
Country Status (1)
| Country | Link |
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| CN (1) | CN103469867B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489083B (en) * | 2018-09-17 | 2020-05-12 | 温州市康驰厨房设备有限公司 | Big electromagnetic frying stove convenient for discharging of pot brushing water |
| CN114876015B (en) * | 2022-04-14 | 2023-09-22 | 北京市农林科学院 | Drainage structure |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2226086Y (en) * | 1995-06-20 | 1996-05-01 | 刘德新 | Floor drain capable of preventing gas in sewer from escape |
| JP5104209B2 (en) * | 2007-10-25 | 2012-12-19 | Ｔｏｔｏ株式会社 | Drain trap |
| CN201695477U (en) * | 2010-05-13 | 2011-01-05 | 欧美评股份有限公司 | Floor drain |
| CN201817905U (en) * | 2010-09-17 | 2011-05-04 | 中国十七冶集团有限公司 | Multifunctional floor drain |
| CN201817908U (en) * | 2010-10-09 | 2011-05-04 | 苏州工业园区科逸卫浴设备有限公司 | Floor drain for integral bathroom |
| CN201943148U (en) * | 2011-01-18 | 2011-08-24 | 叶大龙 | Environment-friendly stink-removing aroma-adding floor drain |
| NL2006553C2 (en) * | 2011-04-06 | 2012-10-09 | Easy Sanitairy Solutions Bv | CLAMP CONSTRUCTION FOR DRAINAGE. |
| CN202039427U (en) * | 2011-05-06 | 2011-11-16 | 王海周 | Same-layer deodorant high-water-seal floor drain |
| DE202011105715U1 (en) * | 2011-09-16 | 2011-11-16 | Sanitärtechnik Eisenberg GmbH | Cover for a surface dewatering device, surface dewatering device and use of a surface dewatering device |
| CN202595889U (en) * | 2012-06-11 | 2012-12-12 | 镇江市高等专科学校 | Floor drain |
-
2013
- 2013-09-24 CN CN201310443374.6A patent/CN103469867B/en not_active Expired - Fee Related
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| CN103469867A (en) | 2013-12-25 |
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Granted publication date: 20150107 Termination date: 20200924 |