CN104047360B - The anti-dry water-sealing stinking-proof of large discharge anti-backflowing can the safe floor drain of flood discharge - Google Patents
The anti-dry water-sealing stinking-proof of large discharge anti-backflowing can the safe floor drain of flood discharge Download PDFInfo
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- CN104047360B CN104047360B CN201410308300.6A CN201410308300A CN104047360B CN 104047360 B CN104047360 B CN 104047360B CN 201410308300 A CN201410308300 A CN 201410308300A CN 104047360 B CN104047360 B CN 104047360B
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Abstract
The anti-dry water-sealing stinking-proof of large discharge anti-backflowing of the present invention can the safe floor drain of flood discharge, belongs to floor drain technical field; Technical problem to be solved for provide a kind of flow greatly can flood discharge, there is the long water sealing type deodorant floor drain of anti-backflowing function, water seal dried-up time; The technical scheme adopted is: anti-backflowing cavity is arranged on main casing inside, and Open Side Down for water seal cover, is buckled in above anti-backflowing cavity, between main casing and anti-backflowing cavity, forms water seal, and water inlet grate is arranged on above main casing; The structure of anti-backflowing cavity is: the bottom of drain chamber is provided with outfall, the top of drain chamber is provided with lid, the top board of lid is provided with at least two and crosses water circular hole, each below crossing water circular hole is provided with an anti-backflowing ball, the diameter crossing water circular hole is less than the diameter of anti-backflowing ball, and each anti-backflowing ball side is provided with guide strip and prevents anti-backflowing ball warp outfall from falling into sewer pipe; The bottom of main casing has delivery port, and the outfall of drain chamber communicates with the delivery port of main casing.
Description
Technical field
The anti-dry water-sealing stinking-proof of large discharge anti-backflowing of the present invention can the safe floor drain of flood discharge, belongs to floor drain technical field.
Background technology
Floor drain is the important interface connecting down pipe system and flooring, and as the vitals of house draining system, its performance quality directly affects the quality of room air, even all extremely important to the healthy living quality of the people of premises.
Mainly contain a few class construction drainage floor drains such as common hydrolock, mechanically sealed formula and float valve deodorization formula in the market, and this few class there are some to be difficult to the shortcoming overcome completely, is exemplified below:
Common hydrolock: water seal height is not up to standard, and water seal is easily dried up, cannot anti-backflowing, very easily blocking and also drainage speed slow.
Mechanical close formula: bad sealing is close, parts easily damage with aging, reliability extreme difference, and life of product is not long.
Float valve deodorization formula: bad sealing is close, parts easily damage and lost efficacy, and complex structure is difficult to maintenance.
The drainage speed of above-mentioned several floor drain is all little, does not far reach the speed of the 1L/s of national Specification, run into forget to turn off the tap or water pipe explosion time, ponding is serious; Odor-resistant result is bad; Do not have anti-backflowing structure or anti-backflowing unreliable, affect drainage speed; And their utensil drainage joints of all not having switching performance good, the drainage requirement of people's daily life can not be met.
Summary of the invention
The present invention overcomes the deficiency that prior art exists, technical problem to be solved for provide a kind of flow greatly can flood discharge, there is the long water sealing type deodorant floor drain of anti-backflowing function, water seal dried-up time.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: the anti-dry water-sealing stinking-proof of large discharge anti-backflowing can the safe floor drain of flood discharge, comprise main casing, anti-backflowing cavity, water seal cover and water inlet grate, anti-backflowing cavity is arranged on main casing inside, Open Side Down for water seal cover, be buckled in above anti-backflowing cavity, between main casing and anti-backflowing cavity, form water seal, water inlet grate is arranged on above main casing;
The structure of described anti-backflowing cavity is: the bottom of drain chamber is provided with outfall, the top of drain chamber is provided with lid, the top board of lid is provided with at least two and crosses water circular hole, each below crossing water circular hole is provided with an anti-backflowing ball, the described diameter crossing water circular hole is less than the diameter of anti-backflowing ball, each anti-backflowing ball side is provided with guide strip and prevents anti-backflowing ball warp outfall from falling into sewer pipe, and the averag density of described anti-backflowing ball is less than 1g/cm
3;
The bottom of described main casing has delivery port, described drain chamber and main casing one-body molded, or bonding by glue, or by being welded and fixed, or removably connect; The outfall of described drain chamber communicates with the delivery port of main casing.
Described drain chamber and main casing are removably connected by screw thread or screw.
The drift angle place of described water seal cover is chamfering, is formed into water water conservancy diversion slope; The bottom of described main casing is fillet, forms channelization angle downstream; In described anti-backflowing cavity, the top of covered body wall is provided with slope, forms draining water conservancy diversion slope; The top board of described lid, lower than the sidewall of lid, forms sunk type guiding pond.
Described water seal cover top is also provided with a circle water seal cover grate, and the offset one from another setting consistent with the void shape on water seal cover grate of described water inlet grate.
Have hole in the middle part of described water inlet grate, utensil dewatering installation is arranged on the hole in the middle part of described water inlet grate.
Described utensil dewatering installation comprises drainage joint, connector and pipe box, described drainage joint is L shape pipe fitting, one end outer cover is equipped with pipe box, the other end has internal thread, described pipe box is the annular element made by elastomeric material, its internal diameter is less than the internal diameter of drainage joint, described connector is have external screw thread and an end band one encloses the short tube of lug, connector is connected with drainage joint by screw thread through behind the hole in the middle part of water inlet grate, grate of intaking after tightening clamps, and be provided with O RunddichtringO, prevent utensil sewage from flowing out from gap.
The junction of described main casing and anti-backflowing cavity is provided with sealing ring, and the described surrounding crossing water circular hole is provided with sealing mat, sealing during for ensureing anti-backflowing ball and crossing water annular opening contacts.
The bottom of described water seal cover is provided with multiple connecting pin, described connecting pin is provided with radial projection, on described main casing bottom surface, corresponding position is provided with the connector with connecting pin equal number, described connector is provided with groove, and the projection on described connecting pin and the groove on connector cooperatively interact.
The top of described main casing is provided with over cap, is connected by screw between over cap and main casing, or is connected by buckle.
Described water inlet grate frame replaces, frame connects on a main housing, four angles of described frame inside are provided with a clamp separately, the bottom of surface cap is provided with four card bases, the card base of described surface cap coordinates with the clamp of frame inside, limiting surface cover plate, in the movement in frame inner horizontal direction, places the floor board block the same with periphery floor in described surface cap.
The gutter that delivery port bottom described main casing is sleeved on sewer is outside, and bonding connection.
The present invention compared with prior art has following beneficial effect.
1, powerful and Sizes, novelty of the present invention have employed multi-ball type anti-backflowing system, compared with single ball anti-backflowing, reduce product height, can apply in reality.
2, reliable anti-backflowing and do not affect drainage speed, the present invention effectively can control the position of anti-backflowing ball in drainage procedure, anti-backflowing ball only can rotate at anti-backflowing cavity bottom or slightly beat, drainage speed can not be affected, limit owing to there being guide strip, anti-backflowing ball can not block draining, can float in time again blocked water circular hole when sewage instead overflows, and when reaching normal use, displacement large, unusual time can flood discharge and can the effect of reliable anti-backflowing.
3, flow is large, in the present invention, water seal cover, main casing, lid is all provided with flow-guiding structure, makes current more smooth and easy, increase flow; In addition, the sunk type that the top board of lid is formed lower than sidewall guides pond, increases the inflow of anti-backflowing cavity, overcome on lid and cross the little problem of water circular hole inflow, further increase flow of the present invention, make beam displacement of the present invention reach more than 1L/s, meet national standard.
4, anti-dry property is good, in the present invention, the height of water seal reaches 50mm, meet national standard, the water seal height of general floor drain on field, supermarket far away, make water seal can keep more than 30 days, in addition, double-deck grate is also provided with in the present invention, and make their void shape identical and the setting that offsets one from another, like this, the water in water seal is not directly exposed in the external world, has effectively delayed the evaporation rate of water seal, the dry inefficacy of water seal can be stoped to greatest extent, make water seal can both keep more than 60 days under circumstances.
5, odor-resistant result is good, have employed high water seal in the present invention, and has the design extending dried-up time, and odor-resistant result is good and reliable.
6, flood discharge is effective, in actual use, run into forget to turn off the tap or water pipe explosion causes the situation of a large amount of water outlet time, the safe floor drain of deodorization of the present invention coordinates with sewer pipe can produce siphonage, more accelerate the flow velocity of current, ensure that indoor do not occur ponding.
7, easy for installation; in the present invention, used unit is all applicable to producing in enormous quantities; and it is easy for installation; do not need professional and instrument; all parts convenient disassembly; easy cleaning or replacing; in addition, the present invention also with protective cover, construct time; main housing portion is only needed first to fix; cover over cap, when waiting floor to be taped against, then the parts such as the anti-backflowing cavity of inside, water seal cover are loaded; prevent the damage of inner body in construction, protective cover can ensure that main casing inside does not sustain damage in construction.
8, the present invention is connected with utensil dewatering installation, can adapts to the gutter of different size diameter, and connect reliable, good airproof performance, draining is smooth and easy, can not produce the situation spilling into ground.
9, the part rest on the ground can replace with concealed by the present invention easily, when performance is constant, can make a series of products of various outward appearance.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
Fig. 1 is the structural representation of explosive effect of the present invention.
Fig. 2 is sectional drawing of the present invention.
Fig. 3 is the structural representation of drain chamber in the present invention.
Fig. 4 is the top view of drain chamber in the present invention.
Fig. 5 is the structural representation of water seal cover in the present invention.
Fig. 6 is the structural representation of main casing in the present invention.
Fig. 7 be in the present invention water seal cover and main casing be connected after sectional drawing.
Fig. 8 is the structural representation of band utensil dewatering installation of the present invention.
Fig. 9 is the structural representation of connector in utensil dewatering installation in the present invention.
Figure 10 is the explosive effect figure of the present invention when making concealed structure.
Figure 11 is the top view of the present invention when making concealed structure.
Figure 12 is that the present invention overlooks as leg-of-mutton schematic diagram when making concealed structure.
Figure 13 is that the present invention overlooks as rectangular schematic diagram when making concealed structure.
In figure: 1 is main casing, 2 is anti-backflowing cavity, and 3 is water seal cover, 4 is water inlet grate, and 5 is drain chamber, and 6 is outfall, 7 is lid, and 8 was water circular hole, and 9 is anti-backflowing ball, 10 is guide strip, and 11 is water seal cover grate, and 12 is utensil dewatering installation, 13 is drainage joint, and 14 is connector, and 15 is pipe box, 16 is sealing ring, and 17 is sealing mat, and 18 is connecting pin, 19 is protruding, and 20 is connector, and 21 is groove, 22 is frame, 23 is clamp, and 24 is surface cap, and 25 is card base, 26 is floor board block, and 27 is O RunddichtringO.
Detailed description of the invention
As shown in Fig. 1-Fig. 9, the anti-dry water-sealing stinking-proof of large discharge anti-backflowing of the present invention can the safe floor drain of flood discharge, comprise main casing 1, anti-backflowing cavity 2, water seal cover 3 and water inlet grate 4, it is inner that anti-backflowing cavity 2 is arranged on main casing 1, Open Side Down for water seal cover 3, be buckled in above anti-backflowing cavity 2, between main casing 1 and anti-backflowing cavity 2, form water seal, water inlet grate 4 is arranged on above main casing 1;
The structure of described anti-backflowing cavity 2 is: the bottom of drain chamber 5 is provided with outfall 6, the top of drain chamber 5 is provided with lid 7, the top board of lid 7 is provided with at least two and crosses water circular hole 8, each below crossing water circular hole 8 is provided with an anti-backflowing ball 9, the described diameter crossing water circular hole 8 is less than the diameter of anti-backflowing ball 9, each anti-backflowing ball 9 side is provided with guide strip 10 and prevents anti-backflowing ball 9 from falling into sewer pipe through outfall 6, and the averag density of described anti-backflowing ball 9 is less than 1g/cm
3;
The bottom of described main casing 1 has delivery port, and described drain chamber 5 is one-body molded with main casing 1, or bonding by glue, or by being welded and fixed, or removably connect; The outfall 6 of described drain chamber 5 communicates with the delivery port of main casing 1.
Described drain chamber 5 is removably connected by screw thread or screw with main casing 1.
The drift angle place of described water seal cover 3 is chamfering, is formed into water water conservancy diversion slope; The bottom of described main casing 1 is fillet, forms channelization angle downstream; In described anti-backflowing cavity 2, the top of lid 7 sidewall is provided with slope, forms draining water conservancy diversion slope; The top board of described lid 7, lower than the sidewall of lid 7, forms sunk type guiding pond.
Described water seal cover 3 top is also provided with a circle water seal cover grate 11, and the offset one from another setting consistent with the void shape on water seal cover grate 11 of described water inlet grate 4.
Further, have hole in the middle part of described water inlet grate 4, utensil dewatering installation 12 is arranged on the hole in the middle part of described water inlet grate 4.
Described utensil dewatering installation 12 comprises drainage joint 13, connector 14 and pipe box 15, described drainage joint 13 is L shape pipe fitting, one end outer cover is equipped with pipe box 15, the other end has internal thread, described pipe box 15 is the annular element made by elastomeric material, its internal diameter is less than the internal diameter of drainage joint, described connector 14 is for having external screw thread and an end band one encloses the short tube of lug, connector 14 is connected with drainage joint 13 by screw thread through behind the hole in the middle part of water inlet grate 4, after tightening, water inlet grate 4 is clamped, and be provided with O RunddichtringO 27, prevent utensil sewage from flowing out from gap.
When described main casing 1 and anti-backflowing cavity 2 are set to removably connect, in order to prevent water seal to lose efficacy, junction is provided with sealing ring 16.
The described surrounding crossing water circular hole 8 is provided with sealing mat 17, for ensureing anti-backflowing ball 9 and the sealing crossed when water circular hole 8 contacts.
Connected mode between described water seal cover 3 and main casing 1 is: the bottom of water seal cover 3 is provided with multiple connecting pin 18, described connecting pin 18 is provided with radial projection 19, on main casing 1 bottom surface, corresponding position is provided with the connector 20 with connecting pin 18 equal number, described connector 20 is provided with groove 21, and the projection 19 on described connecting pin 18 and the groove 21 on connector 20 cooperatively interact.
The top of described main casing 1 is provided with over cap, is connected by screw, or is connected by buckle between over cap and main casing 1.
In addition, as shown in Figure 10-Figure 13, the present invention also can make concealed, water inlet grate 4 is replaced with frame 22, frame 22 is set above water seal cover 3, frame 22 is connected on main casing 1, four angles of described frame 22 inside are provided with a clamp 23 separately, the bottom of surface cap 24 is provided with four card bases 25, the card base 25 of described surface cap 24 coordinates with the clamp 23 of frame 22 inside, limiting surface cover plate 24 is in the movement in frame 22 inner horizontal direction, the floor board block 26 the same with periphery floor can be placed in described surface cap 24, after installing, be concealed, better appearance.After making hidden floor drain, the shape of frame 22 and surface cap 24 can be square, or is triangle, or is rectangle.
The gutter that delivery port bottom described main casing 1 is sleeved on sewer is outside, and bonding connection.
By reference to the accompanying drawings embodiments of the invention are explained in detail above, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from present inventive concept.
In above-mentioned several embodiment, the outfall bottom main casing and be bonding between the gutter of sewer, and the gutter of sewer inserts in the outfall bottom main casing.In addition, the top of main casing is all equipped with over cap, is threaded connection, or is connected by buckle between described over cap and main casing.
The course of work of the present invention is:
As shown in Figure 1, ground sewage enters in main casing through water inlet grate surrounding, then by being pooled to above anti-backflowing cavity after water seal, enters in sewer pipe under the pressure effect of current.When forgetting to turn off the tap or water pipe explosion causes ground to have a large amount of ponding, siphonage can be formed in anti-backflowing cavity especially, accelerating the flow velocity of current further, ensureing that indoor ponding enters sewer pipe very soon.The present invention adopts the most reliable water-sealing stinking-proof principle, the 50mm that its water seal height is up to state standards, and can effectively prevent the foul smell in sewer pipe, winged insect and germ etc. from entering indoor.Double-deck grate structure in the present invention not only can carry out collecting by filtration to impurity slightly large in sewage such as hair etc., to prevent these impurity from blocking dewatering installation and sewer pipe, can also extend the dried-up time of water seal.Each flow-guiding structure of water seal place accelerates the flow velocity of current, increases displacement, and the sunk type guiding pond above anti-backflowing cavity further increases displacement of the present invention.Multi-ball type anti-backflowing structure makes anti-backflowing function more reliable while reduction product height.When needing to be connected with fixture drain, the product of the present invention of band utensil dewatering installation can be used, can easily connect reliably.In addition, can be concealed by earth's surface of the present invention partial design, increase aesthetic property.
Claims (10)
1. the anti-dry water-sealing stinking-proof of large discharge anti-backflowing can the safe floor drain of flood discharge, comprise main casing (1), anti-backflowing cavity (2), water seal cover (3) and water inlet grate (4), it is inner that anti-backflowing cavity (2) is arranged on main casing (1), Open Side Down for water seal cover (3), be buckled in anti-backflowing cavity (2) top, between main casing (1) and anti-backflowing cavity (2), form water seal, water inlet grate (4) is arranged on main casing (1) top;
The structure of described anti-backflowing cavity (2) is: the bottom of drain chamber (5) is provided with outfall (6), the top of drain chamber (5) is provided with lid (7), the top board of lid (7) is provided with at least two and crosses water circular hole (8), each below crossing water circular hole (8) is provided with an anti-backflowing ball (9), the described diameter crossing water circular hole (8) is less than the diameter of anti-backflowing ball (9), each anti-backflowing ball (9) side is provided with guide strip (10) and prevents anti-backflowing ball (9) from falling into sewer pipe through outfall (6), the averag density of described anti-backflowing ball (9) is less than 1g/cm
3,
The bottom of described main casing (1) has delivery port, and described drain chamber (5) is one-body molded with main casing (1), or bonding by glue, or by being welded and fixed, or removably connect; The outfall (6) of described drain chamber (5) communicates with the delivery port of main casing (1).
2. the anti-dry water-sealing stinking-proof of large discharge anti-backflowing according to claim 1 can the safe floor drain of flood discharge, it is characterized in that: described anti-backflowing cavity (2) and main casing (1) removably connect.
3. the anti-dry water-sealing stinking-proof of large discharge anti-backflowing according to claim 1 and 2 can the safe floor drain of flood discharge, it is characterized in that: the drift angle place of described water seal cover (3) is chamfering, is formed into water water conservancy diversion slope; The bottom of described main casing (1) is fillet, forms channelization angle downstream; In described anti-backflowing cavity (2), the top of lid (7) sidewall is provided with slope, forms draining water conservancy diversion slope; The top board of described lid (7), lower than the sidewall of lid (7), forms sunk type guiding pond.
4. the anti-dry water-sealing stinking-proof of large discharge anti-backflowing according to claim 1 and 2 can the safe floor drain of flood discharge, it is characterized in that: described water seal cover (3) top is also provided with circle water seal cover grate (11), and the offset one from another setting consistent with the void shape on water seal cover grate (11) of described water inlet grate (4).
5. the anti-dry water-sealing stinking-proof of large discharge anti-backflowing according to claim 1 and 2 can the safe floor drain of flood discharge, it is characterized in that: described water inlet grate (4) middle part has hole, and utensil dewatering installation (12) is arranged on the hole at described water inlet grate (4) middle part.
6. the anti-dry water-sealing stinking-proof of large discharge anti-backflowing according to claim 5 can the safe floor drain of flood discharge, it is characterized in that: described utensil dewatering installation (12) comprises drainage joint (13), connector (14) and pipe box (15), described drainage joint (13) is L shape pipe fitting, one end outer cover is equipped with pipe box (15), the other end has internal thread, described pipe box (15) is the annular element made by elastomeric material, its internal diameter is less than the internal diameter of drainage joint, described connector (14) is for having external screw thread and an end band one encloses the short tube of lug, connector (14) is connected with drainage joint (13) by screw thread behind the hole through water inlet grate (4) middle part, grate (4) of intaking after tightening clamps, and be provided with O RunddichtringO (27).
7. the anti-dry water-sealing stinking-proof of large discharge anti-backflowing according to claim 1 and 2 can the safe floor drain of flood discharge, it is characterized in that: when described main casing (1) and anti-backflowing cavity (2) removably connect, junction is provided with sealing ring (16), the described surrounding crossing water circular hole (8) is provided with sealing mat (17), for ensureing anti-backflowing ball (9) and the sealing crossed when water circular hole (8) contacts.
8. the anti-dry water-sealing stinking-proof of large discharge anti-backflowing according to claim 1 and 2 can the safe floor drain of flood discharge, it is characterized in that: the bottom of described water seal cover (3) is provided with multiple connecting pin (18), described connecting pin (18) is provided with radial projection (19), on described main casing (1) bottom surface, corresponding position is provided with the connector (20) with connecting pin (18) equal number, described connector (20) is provided with groove (21), projection (19) on described connecting pin (18) and the groove (21) on connector (20) cooperatively interact and are connected and fixed.
9. the anti-dry water-sealing stinking-proof of large discharge anti-backflowing according to claim 1 and 2 can the safe floor drain of flood discharge; it is characterized in that: the top of described main casing (1) is provided with over cap; be connected by screw between over cap and main casing (1), or connected by buckle.
10. the anti-dry water-sealing stinking-proof of large discharge anti-backflowing according to claim 1 and 2 can the safe floor drain of flood discharge, it is characterized in that: described water inlet grate (4) frame (22) replaces, frame (22) is connected on main casing (1), four angles that described frame (22) is inner are provided with a clamp (23) separately, the bottom of surface cap (24) is provided with four card bases (25), the clamp (23) that the card base (25) of described surface cap (24) is inner with frame (22) coordinates, limiting surface cover plate (24) is in the movement in frame (22) inner horizontal direction, the floor board block (26) the same with periphery floor is placed in described surface cap (24).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410308300.6A CN104047360B (en) | 2014-07-01 | 2014-07-01 | The anti-dry water-sealing stinking-proof of large discharge anti-backflowing can the safe floor drain of flood discharge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410308300.6A CN104047360B (en) | 2014-07-01 | 2014-07-01 | The anti-dry water-sealing stinking-proof of large discharge anti-backflowing can the safe floor drain of flood discharge |
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| CN104047360A CN104047360A (en) | 2014-09-17 |
| CN104047360B true CN104047360B (en) | 2016-01-06 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113737920A (en) * | 2020-09-12 | 2021-12-03 | 徐影影 | Building drainage system adopting quick-draining type anti-reverse floor drain |
| CN113898057A (en) * | 2021-11-22 | 2022-01-07 | 江南造船(集团)有限责任公司 | Odor-resistant and anti-reverse-water floor drain and using method thereof |
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|---|---|---|---|---|
| CN2075223U (en) * | 1990-08-11 | 1991-04-17 | 贾恒宝 | Great flow floor drain having non-return valve against return of waste water |
| JP2004132152A (en) * | 2002-10-09 | 2004-04-30 | Clean Mat:Kk | Deodorization basket for bell trap |
| CN2632171Y (en) * | 2003-06-09 | 2004-08-11 | 杨公平 | Floor drain |
| DE102004027220A1 (en) * | 2003-06-07 | 2005-05-19 | Karl Meier | Anti-flood system for preventing floods building up in cellars and storage areas has tube shaped inserts and a bend tube shell in which a floating ball with a blocking pin is positioned |
| CN201933575U (en) * | 2011-01-28 | 2011-08-17 | 成都川路塑胶集团有限公司 | Floating ball multi-seal non-return deodorising floor drain |
| PL66943Y1 (en) * | 2011-06-09 | 2014-01-31 | Jacek Wojciechowski | Bath trap with a non-return valve |
| CN203960999U (en) * | 2014-07-01 | 2014-11-26 | 太原金德尔洁具设备有限公司 | The anti-dry water-sealing stinking-proof of a kind of large flow anti-backflowing can the safe floor drain of flood discharge |
-
2014
- 2014-07-01 CN CN201410308300.6A patent/CN104047360B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2075223U (en) * | 1990-08-11 | 1991-04-17 | 贾恒宝 | Great flow floor drain having non-return valve against return of waste water |
| JP2004132152A (en) * | 2002-10-09 | 2004-04-30 | Clean Mat:Kk | Deodorization basket for bell trap |
| DE102004027220A1 (en) * | 2003-06-07 | 2005-05-19 | Karl Meier | Anti-flood system for preventing floods building up in cellars and storage areas has tube shaped inserts and a bend tube shell in which a floating ball with a blocking pin is positioned |
| CN2632171Y (en) * | 2003-06-09 | 2004-08-11 | 杨公平 | Floor drain |
| CN201933575U (en) * | 2011-01-28 | 2011-08-17 | 成都川路塑胶集团有限公司 | Floating ball multi-seal non-return deodorising floor drain |
| PL66943Y1 (en) * | 2011-06-09 | 2014-01-31 | Jacek Wojciechowski | Bath trap with a non-return valve |
| CN203960999U (en) * | 2014-07-01 | 2014-11-26 | 太原金德尔洁具设备有限公司 | The anti-dry water-sealing stinking-proof of a kind of large flow anti-backflowing can the safe floor drain of flood discharge |
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| CN104047360A (en) | 2014-09-17 |
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Address after: 030006 Room 001, Wharton Company, No. 88 Development Road, Taiyuan Xuefu Park, Taiyuan Comprehensive Reform Demonstration Area, Shanxi Province Patentee after: Shanxi jindel Drainage Technology Co., Ltd Address before: Xinghualing District new road 030002 Shanxi city of Taiyuan province No. 187 Building 1 floor 12 floor No. 5 Patentee before: TAIYUAN KINDER WARE EQUIPMENT Co.,Ltd. |