CN2656506Y - Deodour floor drain - Google Patents

Deodour floor drain Download PDF

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Publication number
CN2656506Y
CN2656506Y CN 200320100357 CN200320100357U CN2656506Y CN 2656506 Y CN2656506 Y CN 2656506Y CN 200320100357 CN200320100357 CN 200320100357 CN 200320100357 U CN200320100357 U CN 200320100357U CN 2656506 Y CN2656506 Y CN 2656506Y
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China
Prior art keywords
gutter
sewer
seeping container
floor drain
odour
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Expired - Fee Related
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CN 200320100357
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Chinese (zh)
Inventor
杨全辉
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Individual
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Individual
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Abstract

The utility model relates to a deodorizing floor drain consisting of a sealed cap which is sealed to the inlet of the sewer, wherein the sealed cap has at least one through-hole where the drainpipe is provided while an outlet in lower end of the drainpipe inserts a certain distance into a water-accumulated container with an overfall gap which is arranged a certain distance above the outlet of the drainpipe. The utility model can thoroughly resolve the odor emitted from the sewer with the better deodorizing effect that can not be affected even when the soft pipe is inserted into the outlet of the sewer and lasting for a long time, and need not provide a stench trap in the pipeline of the sewer.

Description

Odour-proof floor drain
Technical field
The utility model relates to floor drain, particularly relates to a kind of odour-proof floor drain.
Background technology
Be to solve the anti-flavor problem of sewer, the means that adopt usually are at the sewer mouth odour-proof floor drain to be set at present, perhaps are provided with simultaneously to turn one's coat curvedly on the sewer pipeline, and smell is counter to be gone out to stop.
At present, the odour-proof floor drain that is applied to sewer is generally anti-bowl formula structure.Referring to Fig. 1, should consist essentially of a housing 6 and an inverted deodorization bowl 7 that is placed on sewer 4 inlet peripheries by anti-bowl formula odour-proof floor drain, the bottom of this housing 6 and sewer 4 inlet ends peripheral formation sealed cisterns 8, in addition, deodorization bowl 7 upper covers have protective screening 5, stop up to prevent foreign material from entering sewer 4.
The use principle of this odour-proof floor drain is: after sewage flows into sewer 4, having sewage lodges in the sealed cistern 8, because the cover cap sealing process of deodorization bowl 7 and the effect of this liquid seal are intercepted below deodorization bowl 7 smell in the sewer 4, to reach the purpose of the anti-flavor of deodorization.But should in use find to have following serious defective by anti-bowl formula odour-proof floor drain:
One, according to the regulation of construction industry department, the degree of depth of sealing tank 8 will reach 3 centimetres at least just can play the better fluid sealing function.But existing anti-bowl formula odour-proof floor drain can not reach such depth design requirement usually, and the degree of depth of its sealed cistern 8 is more shallow, can only reach 1.5~2 centimetres usually, so odor-resistant result is not good, anti-flavor phenomenon often occurs.
Two, because the sealed cistern 8 of anti-bowl formula odour-proof floor drain is more shallow, and the water in the sealing tank 8 exposes in the middle of the air basically, as in sewer 4, not draining the sewage away for a long time, water in the sealing tank 8 is easy to and can evaporation does, particularly hour in air ambient humidity, this evaporation is just rapider, when moisture content is dry, smell in the sewer 4 can leak outside with the gap location that housing 6 matches from deodorization bowl 7, to lose the deodorization effect fully, at this time, need artificial water filling in sealing tank 8, to reach the deodorization purpose.As seen, its odor-resistant result is of short duration, and is closely related with the humidity of air ambient.In the season of air relatively dry, need often water filling to sealed cistern 8 in, quite trouble, inconvenience has invisiblely centrally increased a lot of burdens to the user.
Three, because in this drain structure; its deodorization bowl 7 is inverted; and fully cover cap sewer 4 inlet and protrude in ground through regular meeting; therefore; when people when using washing machine or integral bathtub etc. to be equipped with the equipment of water tube hose down; following water tube hose can't be inserted in the inlet of sewer 4, and is merely able to protective screening 5 and deodorization bowl 7 are all taken off, and can will play water tube hose to be inserted in the sewer 4.Therefore, not only in the moment of taking off deodorization bowl 7, a strong scent irritates the nose, and in the middle of whole use, owing to there is not the cover cap sealing process of deodorization bowl 7, this floor drain is basic just without any odor-resistant result, usually air do extremely stagnant, brought considerable worries to people.Particularly for the soft user who is inserted in the sewer of sewer pipe is often arranged, for avoiding often lifting inconvenience that the deodorization bowl brings and loaded down with trivial details, people are clear-cut just directly will to play water tube hose to be inserted in the sewer, and abandon using this drain structure.In view of this, this known floor drain is because its specific structure makes its application be subjected to considerable restriction, and the application scenario is with fewer and feweri.
In addition, people are in order further to strengthen odor-resistant result, are provided with usually to turn one's coat curvedly on the pipeline of sewer, cooperate odour-proof floor drain can strengthen odor-resistant result.But setting is turned one's coat curved cumbersome, and, after sewer stops up, since be provided with turn one's coat curved, at this moment just can not adopt some utensils to come dredging sewer voluntarily, and must adopt bent cleaning tool just can carry out mediation work, the situation of the sewer obstruction that particularly behind the new house finishing, causes with certain elasticity by the user, must ask the dredging sewer staff of specialty just can carry out, make troubles for people's life.
Summary of the invention
The purpose of this utility model provides a kind of odour-proof floor drain, and it can solve the anti-flavor problem of sewer up hill and dale, and odor-resistant result is splendid and lasting, and not needing frequently, the people is that water filling is to reach the deodorization purpose; In addition, when playing water tube hose to insert the mouth of a river, do not influence fabulous odor-resistant result yet; Simultaneously, also can on the sewer pipeline, be provided with turn one's coat curved.
The technical solution of the utility model is as follows: a kind of odour-proof floor drain, it is characterized in that, include a seal cover that seals mutually with the inlet of sewer, sealing covers at least one open-work is set, this through-hole position is provided with gutter, and the delivery port of gutter lower end stretches into one and is positioned in the seeping container of its below, and this seeping container is provided with overfall gap, and overfall gap is positioned at delivery port top one segment distance of gutter.
Sealing lid is for tabular, sink to or cover cap in the inlet of sewer and adopt the viscose glue sealing; Perhaps, the sealing lid is drum shape, is provided with internal thread, with the externally threaded inlet of sewer bolt of tool; Perhaps, the sealing lid is cylindricality, is provided with external screw thread, with the inlet of sewer bolt of tool internal thread; Perhaps, sealing lid is provided with draw-in groove, and the mouth of pipe wall of this draw-in groove and the inlet of sewer fastens, and this draw-in groove and the mouth of pipe wall face of fitting are provided with the seal groove of ccontaining sealing ring; Perhaps, the sealing lid is stepped cylindrical, is provided with the inserting part that can insert the inlet of sewer, and this inserting part outer wall is provided with the seal groove of ccontaining sealing ring.
This gutter and seeping container link into an integrated entity.
This gutter is connected in the seeping container inside wall with its lateral wall, and the delivery port of this gutter is apart from seeping container diapire one segment distance, and the overfall gap of seeping container is that the upper end is uncovered.
This gutter is connected in the seeping container bottom with its lower surface, and described delivery port is opened on the lower sides of gutter, and the overfall gap of seeping container is that the upper end is uncovered.
This seeping container is the reducing doleiform, and gutter is connected with this reducing bottle bottle mouth position, and the delivery port of this gutter is apart from seeping container diapire one segment distance, and the overfall gap of seeping container is opened on the sidewall that is higher than the gutter delivery port.
This seeping container links into an integrated entity with its upper surface and seal cover, and the delivery port of gutter is apart from diapire one segment distance of seeping container, and seeping container is offered described overfall gap on the sidewall that is higher than the gutter delivery port.
The sealing lid is provided with two or more open-works, and each through-hole position all is provided with described gutter, and each gutter stretches in the described seeping container jointly.
The distance that this overfall gap is positioned at gutter delivery port top is at least 3 centimetres.
The sealing side of covering disposes protective screening.
The utility model is when blowdown, and sewage flows into from gutter, and flows out in the seeping container from the lower end delivery port, and is long-pending when full when the sewage of seeping container, will overflow and flows in the sewer from its overfall gap; When stopping blowdown, the sewage that accumulates in the seeping container just can intercept fully that smell in the sewer sees through and instead go out, thereby just can play the deodorization purpose.
According to above-mentioned feature, the utlity model has following beneficial effect:
One, because its seal cover and the inlet of sewer are sealing state, and seeping container can be arranged to enough degree of depth, above 3 centimetres, so odor-resistant result is splendid, can thoroughly solve the anti-flavor problem of sewer with the degree of depth that guarantees sealing water.
Two, because described seeping container is in sewer inside, it is positioned at underground, and the humidity in the sewer is relatively large, thereby its ponding is difficult for dry, even in dry especially external environment condition, the moisture content in the seeping container also extremely is difficult for being evaporated dried, odor-resistant result is lasting, be subjected to the influence of external environment humidity very little, also do not need to inject frequently moisture content, use more simple and convenient to reach the deodorization purpose.
Three, because the utility model is provided with gutter on seal cover, when needs insert scupper hose in the sewer, as long as directly will play water tube hose to insert in the gutter just can, various ground water tube hoses down can insert in the gutter always also to be used simultaneously with odour-proof floor drain, do not influence odor-resistant result fully, and, because the water channel gap of effluent stream warp is big, the normal phase uses and need not cleaning, has self-cleaning function, when inserting scupper hose, also can play the automatic cleaning effect of further scraping gutter and seeping container, very convenient.
Four, owing to the utlity model has the anti-effect of distinguishing the flavor of of splendid deodorization, can sewer needn't be set fully turns one's coat curved, design, manufacturing and the installation of sewer have not only been simplified, simultaneously because sewer can be straight tube-like, in case take place closely to stop up, adopt straight shape pipe fitting cleaning to get final product, convenient especially.
Description of drawings
Fig. 1 is the cross-sectional schematic of existing anti-bowl formula odour-proof floor drain.
Fig. 2 is the cross-sectional schematic of the utility model embodiment 1.
Fig. 3 is female embodiment cross-sectional schematic for the utility model seal cover is provided with.
Fig. 4 is externally threaded embodiment cross-sectional schematic for the utility model seal cover is provided with.
Fig. 5 is provided with the embodiment cross-sectional schematic of draw-in groove and sealing ring for the utility model seal cover.
Fig. 6 is the embodiment cross-sectional schematic of stairstepping for the setting of the utility model seal cover.
Fig. 7 is the cross-sectional schematic that the utility model gutter is connected with the seeping container sidewall with sidewall.
Fig. 8 is the cross-sectional schematic that the utility model gutter is connected with the seeping container diapire with the lower surface.
Fig. 9 is the cross-sectional schematic that the utility model gutter and reducing ampuliform seeping container screw togather.
Figure 10 makes the embodiment cross-sectional schematic of one for the utility model seeping container and seal cover.
Figure 11 is that the utility model gutter and seal cover are the embodiment cross-sectional schematic of dividing body structure.
Figure 12 is the cross-sectional schematic of deodorization state embodiment illustrated in fig. 11.
The specific embodiment
Embodiment 1
Referring to Fig. 2, odour-proof floor drain of the present utility model, include one with the sewer 4 inlet seal cover 1 of sealing mutually, sealing lid 1 is provided with an open-work 10, and this open-work 10 has extended a gutter 2 downwards, the upper end of this gutter 2 can be stretched on seal cover 1, also can with seal cover 1 upper surface maintain an equal level (shown in Fig. 3-6), and gutter 2 lower ends stretch into one be positioned its below seeping container 3 in, retention gap between the delivery port 21 of these gutter 2 lower ends and the diapire 32 of seeping container 3, for the effluent stream warp, this seeping container 3 is cup-shaped, is provided with overfall gap 31, and overfall gap 31 is positioned at the delivery port 21 tops one segment distance t of gutter 2, cover in sealing that 1 top is also configurable a protective screening 5, to stop the foreign material that cause sewer 4 to stop up easily.
Because seal cover 1 is complete sealing state with sewer 4 inlets, gases in the sewer 4 can not leak, and seeping container 3 can be arranged to enough degree of depth so that apart from t above 3 centimetres, and the smell in the sewer 4 is sealed by the sewage in the seeping container 3 fully, and odor-resistant result is splendid.Even the novel depth of accumulated water of this reality is less than 3 centimetres, also can make the deodorization time lasting because seeping container 3 is in the sewer 4.When needs in sewer 4 during the plant flexible pipe, as long as raise protective screening 5, directly be inserted in the gutter 2 just passablely, and various water tube hose down can insert in the gutter 2 and odour-proof floor drain usefulness also simultaneously always, do not influence odor-resistant result fully; In addition, because the water channel gap of effluent stream warp is big, the normal phase uses and need not cleaning, has self-cleaning function, when inserting scupper hose, also can play further cleaning effect automatically by the swipe inwall of gutter 2 and seeping container 3 of scupper hose, and is very convenient.Because odor-resistant result of the present utility model is splendid, can omit sewer turn one's coat curved, not only simplified sewer design, make and installation, simultaneously because sewer can be straight tube-like, in case take place closely to stop up, adopt straight shape pipe fitting cleaning to get final product, convenient especially.
In the utility model, sealing lid 1 is multiple with the seal form of sewer 4 inlets.
Particularly, referring to Fig. 2, sealing lid 1 be tabular, sinks in sewer 4 inlets and adopts viscose glue 100 sealings, sewer 4 interior gases can be intercepted fully in underground.
Referring to Fig. 3, sealing lid 1 is also to be drum shape, and it is provided with internal thread 110, and has externally threaded sewer 4 inlet bolts; Perhaps, referring to Fig. 4, sealing lid 1 also can be cylindricality, it is provided with external screw thread 111, can with the inlet of sewer bolt with internal thread, adopt helicitic texture to screw togather sealing, can play good leak preventing effect, in addition, be further enhanced leaktightness, can also use encapsulants such as sealant tape at the place of screwing togather.
Referring to Fig. 5, sealing lid 1 also can be provided with draw-in groove 11, and this draw-in groove 11 fastens with the mouth of pipe wall 41 of sewer 4 inlets, and this draw-in groove 11 is provided with seal groove 113 with mouth of pipe wall 41 faces of fitting, ccontaining sealing ring 114 in it, and leak preventing effect is good.
Referring to Fig. 6, sealing lid 1 also can be stepped cylindrical, is provided with the inserting part 12 that can insert sewer 4 inlets, and these inserting part 12 outer walls are provided with seal groove 113, ccontaining sealing ring 114 in it.
In a word, the utility model provides the seal cover 1 that can be applicable to various sewer 4, as long as can reach the sealing that enters the mouth with sewer 4, other NM seal cover and seal form can adopt equally, enumerate no longer in detail.Be provided with the seal cover that matches with the various inlet of sewer because of the utility model, the deodorization that can be widely used in various sewer, sewer deodorization as family's sewer, various public arenas, as hotel, passenger station, or even the municipal public use blow-off line, can use this odour-proof floor drain, as long as the seal cover that selection matches with the inlet of sewer, just the utility model can be used on the various sewer, it is very convenient to transform existing odour-proof floor drain; In addition, the utility model can adopt multiple material to make, and cost of manufacture is low.
In this embodiment, the location of described seeping container 3 is to realize by the mode that links into an integrated entity with gutter 2.Concrete type of attachment can be multiple.
Again referring to Fig. 2, gutter 2 can its lateral wall 22 be connected in the inside wall 33 of seeping container 3, and the delivery port 21 of this gutter 2 is apart from seeping container 3 diapires 32 1 segment distances, and the overfall gap 31 of seeping container 3 is that the upper end is uncovered.In the structure shown in Figure 2, adopt welding manner to combine between the inside wall 33 of gutter 2 lateral walls 22 and seeping container 3, this technical scheme is suitable for the connection of hardware, and moulding is made simple and easy.
Referring to Fig. 7, the lateral wall 22 of this gutter 2 can also be one-body molded with seeping container 3, the lateral wall 22 of gutter 2 also is the partial sidewall of seeping container 3 simultaneously, this sidewall 22 extends upward the lower end that coats gutter 2 and the seeping container 3 that forms cup-shaped again, and this kind structure is suitable for the one-body molded technology of macromolecular material.Aforementioned two technical scheme provides combine the lateral wall 22 of gutter 2 with the inside wall 33 of seeping container 3 form, other is as clamping, grafting can be used, as long as the sidewall 22 of gutter 2 can be able to be adopted with the mode that the inside wall 33 of seeping container 3 combines, be not limited to the form of structure of mentioning.
Referring to Fig. 8, this gutter 2 can also be connected in the bottom 32 of seeping container 3 by its lower surface 23, can be one-body molded or welding, the overfall gap 31 of seeping container 3 then is that the upper end is uncovered, and in this technical scheme, delivery port 21 can be unobstructed with the assurance current for several, this delivery port 21 is opened on the lower end sidewall of gutter 2, but it is too much to notice that this delivery port 21 can not be offered, otherwise gutter 2 will weaken with the bonding strength of seeping container 3 diapires 32, when blowdown flow rate is big, impact force of water flow may make seeping container 3 come off, further, come off, also the reinforcing band that is connected with this seeping container 3 can be reserved inlet outside in sewer 4 for preventing this seeping container 3.In this technical scheme, seal cover 1 has adopted stepped cylindrical, the entrance that its inserting part 12 inserts sewer 4, and simultaneously with sealing ring 114 sealings.
Referring to Fig. 9, this seeping container 3 is made as the reducing doleiform, and gutter 2 is connected with these reducing bottle bottleneck 34 places with its lateral wall 22, and the delivery port 21 of this gutter 2 is apart from seeping container 3 diapires 32 1 segment distances, and the overfall gap 31 of seeping container 3 is opened on the sidewall that is higher than gutter 2 delivery ports 21.The seeping container 3 of this reducing doleiform formula can also further reduce the water evaporates problem of accumulating in it, makes odor-resistant result more lasting.In this technical scheme, seal cover 1 has adopted the column form, and it is located at the entrance of the sewer 4 with internal thread with external screw thread 111 spiral shells.
Embodiment 2
Referring to Figure 10, this embodiment is identical with principle, the effect of embodiment 1, and something in common will no longer repeat.The difference part is: the location of described seeping container 3 by with seal cover 1 realization that is combined as a whole.
The upper end 35 of this seeping container 3 links into an integrated entity with the bottom of seal cover 1, as shown in the figure, structure is formed in one, perhaps also can adopt separate form again the two to be coupled together, as the upper end 35 of seeping container 3 being welded in seal cover 1 bottom, or being bolted in seal cover 1 bottom, the various forms that seeping container 3 can be connected in seal cover 1 all can adopt.And the delivery port 21 of gutter 2 is apart from diapire 32 1 segment distances of seeping container 3, for the effluent stream warp, and seeping container 3 is offered described overfall gap 31 on the sidewall that is higher than gutter 2 delivery ports 21, and this overfall gap 31 equally can be according to sewage quantity and bonding strength and specific design.
Referring to Figure 11,12, be the another technical scheme of this embodiment, seal cover 1 has adopted platy structure, and lid places the entrance of sewer 4, and viscose glue 100 is set to seal in contact surface.In the technical scheme shown in this figure, gutter 2 is the branch body structure with seal cover 1, and gutter 2 passes seal cover 1, and is provided with seal 9 to seal in the top of seal cover 1.
Embodiment 3
This embodiment is identical with principle, the effect of embodiment 1,2, and structure is also basic identical, and something in common will no longer repeat.The difference part is: sealing lid is provided with two or more open-works, and each through-hole position all is provided with described gutter, and each gutter stretches in the described seeping container jointly, carry out blowdown so that need on the ground will a plurality of scupper hoses to insert in the sewers.Certainly, as the open-work of a larger aperture is set, the many following water tube hoses of just can planting simultaneously fully.Because this example structure is clear simple, omits accompanying drawing and detailed description.
The above only is several embodiment of the present utility model, and each technical characterictic can also be reassembled into new technical scheme, will exemplify no longer in detail.For example, seal cover, gutter and seeping container three can be arranged to integrative-structure, concrete form of implementation will no longer be enumerated.All each technical schemes that is combined into according to feature that the utility model is carried all should belong to embodiment disclosed in the utility model, all should belong in the protection domain.

Claims (10)

1. odour-proof floor drain, it is characterized in that, include a seal cover that seals mutually with the inlet of sewer, sealing covers at least one open-work is set, this through-hole position is provided with gutter, and the delivery port of gutter lower end stretches into one and is positioned in the seeping container of its below, and this seeping container is provided with overfall gap, and overfall gap is positioned at delivery port top one segment distance of gutter.
2. odour-proof floor drain according to claim 1 is characterized in that, sealing lid is for tabular, sink to or cover cap in the inlet of sewer and adopt the viscose glue sealing; Perhaps, the sealing lid is drum shape, is provided with internal thread, with the externally threaded inlet of sewer bolt of tool; Perhaps, the sealing lid is cylindricality, is provided with external screw thread, with the inlet of sewer bolt of tool internal thread; Perhaps, sealing lid is provided with draw-in groove, and the mouth of pipe wall of this draw-in groove and the inlet of sewer fastens, and this draw-in groove and the mouth of pipe wall face of fitting are provided with the seal groove of ccontaining sealing ring; Perhaps, the sealing lid is stepped cylindrical, is provided with the inserting part that can insert the inlet of sewer, and this inserting part outer wall is provided with the seal groove of ccontaining sealing ring.
3. odour-proof floor drain according to claim 1 is characterized in that this gutter and seeping container link into an integrated entity.
4. odour-proof floor drain according to claim 3 is characterized in that this gutter is connected in the seeping container inside wall with its lateral wall, and the delivery port of this gutter is apart from seeping container diapire one segment distance, and the overfall gap of seeping container is that the upper end is uncovered.
5. odour-proof floor drain according to claim 3 is characterized in that, this gutter is connected in the seeping container bottom with its lower surface, and described delivery port is opened on the lower sides of gutter, and the overfall gap of seeping container is that the upper end is uncovered.
6. odour-proof floor drain according to claim 3, it is characterized in that, this seeping container is the reducing doleiform, and gutter is connected with this reducing bottle bottle mouth position, the delivery port of this gutter is apart from seeping container diapire one segment distance, and the overfall gap of seeping container is opened on the sidewall that is higher than the gutter delivery port.
7. odour-proof floor drain according to claim 1, it is characterized in that, this seeping container links into an integrated entity with its upper surface and seal cover, and the delivery port of gutter is apart from diapire one segment distance of seeping container, and seeping container is offered described overfall gap on the sidewall that is higher than the gutter delivery port.
8. odour-proof floor drain according to claim 1 is characterized in that, the sealing lid is provided with two or more open-works, and each through-hole position all is provided with described gutter, and each gutter stretches in the described seeping container jointly.
9. according to any one described odour-proof floor drain among the claim 1-8, it is characterized in that the distance that this overfall gap is positioned at gutter delivery port top is at least 3 centimetres.
10. odour-proof floor drain according to claim 9 is characterized in that the sealing side of covering disposes protective screening.
CN 200320100357 2003-10-14 2003-10-14 Deodour floor drain Expired - Fee Related CN2656506Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200320100357 CN2656506Y (en) 2003-10-14 2003-10-14 Deodour floor drain

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200320100357 CN2656506Y (en) 2003-10-14 2003-10-14 Deodour floor drain

Publications (1)

Publication Number Publication Date
CN2656506Y true CN2656506Y (en) 2004-11-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200320100357 Expired - Fee Related CN2656506Y (en) 2003-10-14 2003-10-14 Deodour floor drain

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CN (1) CN2656506Y (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102367680A (en) * 2011-06-27 2012-03-07 山东润银生物化工股份有限公司 Odor-proof sewer floor drain
CN102864827A (en) * 2011-07-06 2013-01-09 北京康之维科技有限公司 Anti-winding embedded water seal
CN102953413A (en) * 2011-08-19 2013-03-06 北京康之维科技有限公司 Anti-winding built-in water seal apparatus
CN107687198A (en) * 2017-07-26 2018-02-13 盐城润浩密封件科技有限公司 A kind of sewer pipe mouthful seal

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102367680A (en) * 2011-06-27 2012-03-07 山东润银生物化工股份有限公司 Odor-proof sewer floor drain
CN102864827A (en) * 2011-07-06 2013-01-09 北京康之维科技有限公司 Anti-winding embedded water seal
CN102864827B (en) * 2011-07-06 2014-12-17 北京康之维科技有限公司 Anti-winding embedded water seal
CN102953413A (en) * 2011-08-19 2013-03-06 北京康之维科技有限公司 Anti-winding built-in water seal apparatus
CN102953413B (en) * 2011-08-19 2015-07-01 北京康之维科技有限公司 Anti-winding built-in water seal apparatus
CN107687198A (en) * 2017-07-26 2018-02-13 盐城润浩密封件科技有限公司 A kind of sewer pipe mouthful seal

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