CN100414047C - Self-sealed floor drain - Google Patents

Self-sealed floor drain Download PDF

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Publication number
CN100414047C
CN100414047C CNB2004800421452A CN200480042145A CN100414047C CN 100414047 C CN100414047 C CN 100414047C CN B2004800421452 A CNB2004800421452 A CN B2004800421452A CN 200480042145 A CN200480042145 A CN 200480042145A CN 100414047 C CN100414047 C CN 100414047C
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CN
China
Prior art keywords
floor drain
self
shell
torsion spring
hole
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Expired - Fee Related
Application number
CNB2004800421452A
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Chinese (zh)
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CN1926290A (en
Inventor
谢先文
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Individual
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Individual
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Publication of CN1926290A publication Critical patent/CN1926290A/en
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Publication of CN100414047C publication Critical patent/CN100414047C/en
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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03CDOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/28Odour seals
    • E03C1/298Odour seals consisting only of non-return valve
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/04Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/0407Floor drains for indoor use
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/04Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F2005/0416Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps with an odour seal
    • E03F2005/0417Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps with an odour seal in the form of a valve

Abstract

The present invention relates to a self-sealing floor drainage, which includes: a drainage body (1) installed in a drain pipe of the sewer or in a conventional campanulate floor drainage, and a seal elastic member (13) installed movably in the water outlet of the drainage body (1). Said drainage body (1) is a hollow circular cylinder, it includes a casing (11); An open/close member (12) is installed on the inside wall of the said casing of the drainage body, a torsion spring (136) is installed in the said open/close member (12) for opening and closing the seal elastic member (13); The seal elastic member (13) moves downwards by the sewage weight to open the seal part, and the sewage flows into the drain pipe, then the seal part is closed by the torsion spring (136), so that the sewage in barotropic state, the foul odors, the harmful gas and the pests can be prevented. This apparatus is simple, convenient, stake, and safe. The wastewater can be drained freely, and the cost is reduced.

Description

Self-sealed floor drain
Technical field
The present invention relates to a kind of interface equipment that connects sewerage system and flooring, it is unobstructed and can prevent the self-sealed floor drain that the sewage in the sewer flows backwards to relate in particular to a kind of draining.
Background technology
As everyone knows, floor drain is the important interface equipment that connects sewerage system and flooring.Existing known floor drain generally comprises bell jar, buckles bowl, goes up water castor lid.Because the button bowl of this known bell-jar floor drain can take out easily or make damage of water block because the malleation in the pipe-line system causes come-up, cause the peculiar smell of gutter sewer mouth and the intrusion that pernicious gas, insect and sewage flow backwards.For the intrusion that prevents that peculiar smell and pernicious gas, insect and sewage from flowing backwards, self-sealed floor drain more and more is subject to people's attention, as international patent of invention (China Patent No.: 99801762.0) disclosed a kind of " preventing the equipment of reverse flow in drainage ", as shown in Figure 1, it is a kind of opening and closing device of braking up and down of reverse utilization water energy, have unique piston cylinder operator, solved the self sealss problem of existing floor drain really.But, because its balance weight body has resisted the unlatching size of switch-starter just under hydraulic action, and because its switch-starter is positioned at the central authorities of floor drain, when carrying out draining, this starting drive rises, and has stopped the passage that sewage enters, and has therefore limited the flow velocity of water greatly, when displacement was big, sewage can not enter sewer and can produce excessive phenomenon by this floor drain fully at once; Because its switch-starter utilizes the transmission that is meshing with each other of gear and tooth bar, make the manufacturing process complexity of this floor drain, manufacturing cost is higher.In addition, the balance weight body of this floor drain and switch-starter are to be sleeved on the slide bar of center, a large amount of sewage infiltrates in balance weight body and the switch-starter along the center slide bar, so switch-starter is operated in the environment of sewage, cause the switch-starter cisco unity malfunction, on function of use, be restricted, make the unstable properties of product.
Summary of the invention
The present invention is obstructed in order to solve the draining that exists in the above-mentioned prior art, complex structure, and the defective of cost of production height and unstable properties the invention provides a kind of self-sealed floor drain.Comprise:
Be installed in sewer pipe or the floor drain body (1) in the existing bell-jar floor drain and mobilizable sealing software (13) that is installed in the delivery port of floor drain body (1) of sewer; Described floor drain body (1) is the cylinder of hollow, comprises shell (11);
It is characterized in that, switching device (12) is installed, in described switching device (12), be provided with the torsion spring (136) that is used for opening and closing described sealing software (13) at the inside wall of the shell (11) of described floor drain body (1).
Self-sealed floor drain of the present invention is rational in infrastructure, and easy to use, stable, security performance is good, the self-sealed floor drain that draining is unobstructed and cost of production is low.
Description of drawings
Fig. 1 is the cross-sectional schematic of known floor drain;
Fig. 2 is the structural representation of the self-sealed floor drain of the embodiment of the invention;
Fig. 3 is the sectional view of shell of the self-sealed floor drain of the embodiment of the invention;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the sectional view of switching device of the self-sealed floor drain of the embodiment of the invention;
Fig. 6 is the upward view of Fig. 5;
Fig. 7 is the sectional view of torsion spring pull bar of the self-sealed floor drain of the embodiment of the invention;
Fig. 8 is the upward view of Fig. 7.
The specific embodiment
The present invention is described in detail below in conjunction with accompanying drawing.
As Fig. 2 to enclosing shown in 8, the invention provides a kind of self-sealed floor drain that can independently be installed in sewer or be used with existing bell-jar floor drain, for to be used, comprising in the present embodiment: floor drain body 1, connecting interface 2, seal 3 with existing bell-jar floor drain.Floor drain body 1 is used to be installed in sewer or is used with existing bell-jar floor drain.Connecting interface 2 is sleeved on the floor drain body 1, is used for directly being connected with the sewer pipe or the bell-jar floor drain of sewer.3 outsides that are sleeved on connecting interface 2 of seal, be used for connecting interface 2 and existing bell-jar floor drain or and the sewer inwall between play sealing function.
Wherein, floor drain body 1 comprises shell 11, switching device 12 and sealing software 13.
As shown in Figure 3, Figure 4, outer bright 11 is the cylinder of hollow, and one is extended with an annular outer 111 outside the end face of its water inlet is circumferential.Inside giving prominence to is extended with hermetic unit 112 in the delivery port position slightly upwards of shell 11 bottoms, and the upper and lower of hermetic unit 112 is circular shape.On the interior sidewall surface 114 of shell 11, offer a pair of vertical chute 113 that does not vertically connect the interior sidewall surface of shell 11, chute 113 can be opened in any position on the interior sidewall surface of shell 11, and it is shaped as triangle, can certainly be other geometry.
As Fig. 5, shown in Figure 6, switching device 12 is the prolate body that a longitudinal section is trapezoidal hollow.Its end face 121 and left surface 122 are arc surface, can prevent the foreign material in the sewage thus, as accumulation such as hair or hang and stay end face 121 and left surface 122, cause stopping the current that enter floor drain.The right flank 124 of switching device 12 is an open surface, the outside respectively one of 125 two bottom sides is extended with a projection 126 in the two side, projection 126 shape and size dimension all match with the shape and the size dimension of chute 113 on the shell 11, are triangle in the present embodiment.During installation, projection 126 is inserted in the chute 113, projection 126 is a tight fit with chute 113.For the circular arc internal face 114 with shell 11 closely cooperates, two side 125 is the arc surface that matches with the circular arc internal face 114 of shell 11 with internal face 114 bottom face in contact of shell 11, and projection 126 also is the arc surface that matches with the circular arc internal face 114 of described shell 11 with internal face 114 bottom face in contact of shell simultaneously.Can make switching device 12 closely and can being installed on the shell 11 thus along chute 113 longitudinal sliding motions by projection 126.Bottom surface 123 at switching device 12 offers through hole 127.On bottom surface 123, be formed with the identical and concentric circular arc body 128 of the diameter of an internal diameter and through hole 127 with through hole 127, the left surface 122 of circular arc body 128 and the circular arc of switching device 12 constitutes identical and concentric with the through hole 127 hollow inner catheter 138 of the diameter of internal diameters and through hole 127, directly integrally formed hollow inner catheter 138 on bottom surface 123.As Fig. 7, shown in Figure 8, a cylindrical torsion spring pull bar 129 is arranged in the hollow inner catheter 138.On torsion spring pull bar 129, offer a groove 130, its shape can be a random geometry, is triangle in the present embodiment, and is formed with the projection 131 that shape matches with groove 130 in the inboard of hollow inner catheter 138, during assembling, projection 131 is inserted in the groove 130.Thus, make torsion spring pull bar 129 be merely able to endwisely slipping along hollow inner catheter 138.Be provided with stopper 132 in the upper end of torsion spring pull bar 129, be used to limit the stroke distances of torsion spring pull bar 129 when sliding.On the lower surface of torsion spring pull bar 129, offer a screwed hole 133.Offer a hole 139 in the upper surface of torsion spring pull bar 129, in hole 139, upwards be fitted with a cylinder 140, be provided with spring suspension ring 134 on the top of cylinder 140.Cylinder 140 and torsion spring pull bar 129 can be one-body molded or be threaded.Lateral surface at hollow inner catheter 138 is formed with a spring fastening 135, and the place offers a groove in the middle of the end face of spring fastening 135, the two ends of torsion spring 1 36 respectively with movable connection of groove of spring suspension ring 134 and spring fastening 135.
The bottom that in the bottom of shell 11 is hermetic unit 112 is equipped with sealing software 13.The lower surface of sealing software 13 is concordant with the bottom surface of shell 11.The shape of sealing software 13 matches with the circular arc of the bottom of hermetic unit 112, the shape of its circular arc can prevent sewage when discharging, and the foreign material in the sewage rest on the periphery of sealing software 13 and influence the sealing of the seal 137 of 112 of sealing software 13 and hermetic units.Offer through hole on sealing software 13, during installation, the position of this through hole faces the screwed hole 133 on torsion spring pull bar 129 lower surfaces, inserts in this through hole and the screwed hole 133 with a screw, will seal software 13 and fixedly connected with torsion spring pull bar 129.
Connecting interface 2 is the cylinder of hollow, and the top that it is sleeved on the shell 11 of floor drain body 1 is used for floor drain body 1 is connected with the sewer pipe or the existing bell-jar floor drain of sewer.Between the outer 111 of shell 11 and connecting interface 2, be provided with sealing ring 5.
Arranged outside at connecting interface 2 has seal 3, and seal 3 is an annular, is provided with sealing ring 6 between the contact surface of itself and connecting interface 2, and it is " L " shape or other shape.Offer semi-circular recesses 31 at its outer circumference surface, O-ring seals 8 is installed in groove 31.Realize the excellent sealing of the internal face of the sewer pipe of floor drain body 1 and sewer or existing bell-jar floor drain by seal 3.
The present invention under the sewage action of gravity, seals software 13 drive torsion spring pull bars 129 and moves down in use, opening encapsulation mouth 137, and sewage flows into sewer pipe.After hours, drive torsion spring pull bar 129 by torsion spring 136 and move up, move up, seal 137 is closed, avoided in the sewer pipe because the intrusion of barotropic state sewage, peculiar smell and pernicious gas and insect thereby drive sealing software 3.
Because switching device 12 of the present invention is installed in a side of floor drain body 1, therefore, compare with the central authorities that in the prior art switching device are installed in the floor drain body, when sewage enters, can reduce, sewage can not overflowed because amount is big the stopping of sewage, and avoided the delay of dirts such as hair, overcome the defective that exists in the prior art, and can reduce the member in the switching device, made of the present invention simple in structure, easy to use, stable, security performance is good.

Claims (10)

1. self-sealed floor drain comprises:
Be installed in sewer pipe or the floor drain body (1) in the existing bell-jar floor drain and mobilizable sealing software (13) that is installed in the delivery port of floor drain body (1) of sewer; Described floor drain body (1) is the cylinder of hollow, comprises shell (11);
It is characterized in that, switching device (12) is installed, in described switching device (12), be provided with the torsion spring (136) that is used for opening and closing described sealing software (13) at the inside wall of the shell (11) of described floor drain body (1).
2. self-sealed floor drain as claimed in claim 1 is characterized in that offering chute (113) on the shell (11) of described floor drain body (1), and described switching device (12) slidably is installed on the described chute (113).
3. self-sealed floor drain as claimed in claim 2 is characterized in that described switching device (12) is the prolate body that a longitudinal section is trapezoidal hollow; Its end face (121) and left surface (122) are arc surface, the right flank (124) of described switching device (12) is an open surface, the outside respectively one of the two bottom sides of (125) is extended with a projection (126) in the two side, described projection (126) matches with described chute (113), and be inserted in the chute (113), offer through hole (127) in the bottom surface (123) of described switching device (12).
4. self-sealed floor drain as claimed in claim 3, the arc surface of internal face (114) bottom face in contact for matching with the circular arc internal face (114) of described shell (11) that it is characterized in that two side (125) with shell (11) of described switching device (12), projection (126) also is the arc surface that matches with the circular arc internal face (114) of described shell (11) with internal face (114) bottom face in contact of shell simultaneously.
5. self-sealed floor drain as claimed in claim 4 is characterized in that being formed with the internal diameter hollow inner catheter (138) identical and concentric with through hole (127) with the diameter of described through hole (127) on the bottom surface (123) of described switching device (12); In described hollow inner catheter (138), be provided with cylindrical torsion spring pull bar (129), on torsion spring pull bar (129), offer a groove (130), be formed with the projection (131) that matches with groove (130) on the interior sidewall surface of described hollow inner catheter (138), described projection (131) is arranged in the groove (130).
6. self-sealed floor drain as claimed in claim 5, the upper end that it is characterized in that described torsion spring pull bar (129) is provided with stopper (132), be used to limit the stroke distances of torsion spring pull bar (129) when sliding, on the lower surface of described torsion spring pull bar (129), offer a screwed hole (133), end face offers a hole (139) thereon, in hole (139), upwards be fitted with a cylinder (140), the top of cylinder (140) is provided with spring suspension ring (134), lateral surface at described hollow inner catheter (138) is formed with a spring fastening (135), the place offers a groove in the middle of the end face of spring fastening (135), the two ends of torsion spring (136) respectively with movable connection of groove of spring suspension ring (134) and spring fastening (135).
7. as each described self-sealed floor drain among the claim 1-6, it is characterized in that the inwardly outstanding hermetic unit (112) that is extended with in the delivery port position slightly upwards of described shell (11) bottom, the upper and lower of hermetic unit (112) is circular shape, the shape of described sealing software (13) matches with the circular arc of the bottom of hermetic unit (112), on described sealing software (13), offer through hole, the position of described through hole faces the screwed hole (133) on torsion spring pull bar (129) lower surface, insert in described through hole and the screwed hole (133) with a screw, will seal software (13) and fixedly connected with torsion spring pull bar (129).
8. self-sealed floor drain as claimed in claim 7 is characterized in that one is extended with an annular outer (111) outside the end face of described floor drain body (1) water inlet is circumferential.
9. self-sealed floor drain as claimed in claim 8, it is characterized in that on the lateral surface of the shell (11) of described floor drain body (1), connecting interface (2) being installed, described connecting interface (2) is the cylinder of hollow, be used for floor drain body (1) is connected with the sewer pipe or the existing bell-jar floor drain of sewer, between the outer (111) of shell (11) and connecting interface (2), be provided with sealing ring (5).
10. self-sealed floor drain as claimed in claim 9, it is characterized in that seal (3) being arranged in the arranged outside of described connecting interface (2), seal (3) is an annular, between the contact surface of itself and described connecting interface (2), be provided with L-shaped sealing ring (6), outer circumference surface at described sealing ring (6) offers semi-circular recesses (31), and O-ring seals (8) is installed in groove (31).
CNB2004800421452A 2004-03-10 2004-12-30 Self-sealed floor drain Expired - Fee Related CN100414047C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN200420008195.6 2004-03-10
CNU2004200081956U CN2714643Y (en) 2004-03-10 2004-03-10 Automatically closed type floor drain
PCT/CN2004/001576 WO2005085537A1 (en) 2004-03-10 2004-12-30 Self-sealing floor drainage

Publications (2)

Publication Number Publication Date
CN1926290A CN1926290A (en) 2007-03-07
CN100414047C true CN100414047C (en) 2008-08-27

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Family Applications (2)

Application Number Title Priority Date Filing Date
CNU2004200081956U Expired - Lifetime CN2714643Y (en) 2004-03-10 2004-03-10 Automatically closed type floor drain
CNB2004800421452A Expired - Fee Related CN100414047C (en) 2004-03-10 2004-12-30 Self-sealed floor drain

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CNU2004200081956U Expired - Lifetime CN2714643Y (en) 2004-03-10 2004-03-10 Automatically closed type floor drain

Country Status (4)

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EP (1) EP1724402A4 (en)
CN (2) CN2714643Y (en)
HK (1) HK1090966A1 (en)
WO (1) WO2005085537A1 (en)

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* Cited by examiner, † Cited by third party
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CN102465553A (en) * 2010-11-18 2012-05-23 张新生 Front and rear floor drain
CN102677765A (en) * 2012-05-28 2012-09-19 张德利 Floor drain
CN103882924A (en) * 2012-12-20 2014-06-25 孙争鸣 Movable lid trap floor drain
CN103485399A (en) * 2013-09-22 2014-01-01 孙争鸣 Soft movable-cap type floor drainage with back-out core and trap
CN103556687A (en) * 2013-10-18 2014-02-05 孙争鸣 Floor drain with trap, detachable elastic body cap and screwing-out core
CN105317102A (en) * 2014-08-04 2016-02-10 许炎章 Inner core for floor drain
CN105569171B (en) * 2015-12-17 2017-08-25 宁波市鄞州安琪阀门有限公司 Odour-proof floor drain
CN106499035B (en) * 2016-12-07 2018-08-03 开平达威尔厨卫有限公司 A kind of floor drain for preventing back foul from returning water
CN106436874B (en) * 2016-12-07 2019-05-24 北京知淘科技有限责任公司 Anti-blocking floor drain
CN106759816B (en) * 2017-03-20 2023-08-18 吴钟洋 Dirt-proof blocking device
CN107907473A (en) * 2017-11-14 2018-04-13 东莞市联洲知识产权运营管理有限公司 A kind of self-draining arrangement in salt spray test chamber
CN108589891B (en) * 2018-06-12 2024-02-13 昆明理工大学 Threaded rod rotary piston type deodorizing floor drain
CN112031128B (en) * 2020-08-12 2021-11-09 淮北木文信息科技有限公司 Deodorant type floor drain core convenient to debris clearance
CN113969611B (en) * 2021-09-01 2023-07-07 中国人民解放军火箭军工程大学 Civil engineering is with improved generation anti-reverse floor drain device

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CN2087217U (en) * 1991-03-27 1991-10-23 刘志斌 Valve preventing waste water from overflow
CN2095229U (en) * 1991-03-06 1992-02-05 蔡理强 Deodorising device for closet and floor drain
CN2210212Y (en) * 1994-03-16 1995-10-18 刘兆玉 Odour sealing article for floor drain
CN2258201Y (en) * 1996-03-26 1997-07-23 赵长江 Sewer deodorizer
WO1999027199A1 (en) * 1997-11-19 1999-06-03 Ian Alexander Mackay Drain assembly
CN1300335A (en) * 1998-09-03 2001-06-20 金钟仙 Apparatus for preventing reverse flow in drainage
EP1188870A2 (en) * 2000-09-18 2002-03-20 Geberit Technik Ag Odour seal for a urinal
US20020189675A1 (en) * 2001-06-19 2002-12-19 Huber Donald G. Check valve floor drain

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CH660610A5 (en) * 1983-06-22 1987-05-15 Paul Wenger Odour seal
GB2238327A (en) * 1989-11-18 1991-05-29 Steve Siow Kuang Yeo Drain cover assembly incorporating non-return valve
CN2111973U (en) * 1992-01-18 1992-08-05 张永 Deodorising self-closed valve for sewer
CN1378019A (en) * 2001-04-05 2002-11-06 姜雪岩 Spring type floor drain check valve

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2095229U (en) * 1991-03-06 1992-02-05 蔡理强 Deodorising device for closet and floor drain
CN2087217U (en) * 1991-03-27 1991-10-23 刘志斌 Valve preventing waste water from overflow
CN2210212Y (en) * 1994-03-16 1995-10-18 刘兆玉 Odour sealing article for floor drain
CN2258201Y (en) * 1996-03-26 1997-07-23 赵长江 Sewer deodorizer
WO1999027199A1 (en) * 1997-11-19 1999-06-03 Ian Alexander Mackay Drain assembly
CN1300335A (en) * 1998-09-03 2001-06-20 金钟仙 Apparatus for preventing reverse flow in drainage
EP1188870A2 (en) * 2000-09-18 2002-03-20 Geberit Technik Ag Odour seal for a urinal
US20020189675A1 (en) * 2001-06-19 2002-12-19 Huber Donald G. Check valve floor drain

Also Published As

Publication number Publication date
EP1724402A1 (en) 2006-11-22
CN1926290A (en) 2007-03-07
CN2714643Y (en) 2005-08-03
WO2005085537A1 (en) 2005-09-15
EP1724402A4 (en) 2007-04-04
HK1090966A1 (en) 2007-01-05

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