CN105065690A - Gravity normally-open type turnover plate drainer - Google Patents
Gravity normally-open type turnover plate drainer Download PDFInfo
- Publication number
- CN105065690A CN105065690A CN201510509409.0A CN201510509409A CN105065690A CN 105065690 A CN105065690 A CN 105065690A CN 201510509409 A CN201510509409 A CN 201510509409A CN 105065690 A CN105065690 A CN 105065690A
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- CN
- China
- Prior art keywords
- turnover panel
- turnover plate
- assembly department
- usual
- drain device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/221—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves specially adapted operating means therefor
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
- E03C1/22—Outlet devices mounted in basins, baths, or sinks
- E03C1/23—Outlet devices mounted in basins, baths, or sinks with mechanical closure mechanisms
- E03C1/2306—Outlet devices mounted in basins, baths, or sinks with mechanical closure mechanisms the plug being operated by hand contact
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/222—Shaping of the valve member
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Building Environments (AREA)
- Residential Or Office Buildings (AREA)
Abstract
The invention provides a gravity normally-open type turnover plate drainer which comprises a pipe body. A turnover plate is arranged on the upper portion of the pipe body. The gravity normally-open type turnover plate drainer is characterized in that two opposite turnover plate mounting portions are arranged on the outer circumference of the turnover plate and symmetrically arranged on one side of the turnover plate; the connecting line of the axes of the two turnover plate mounting portions is located beside the center line of the turnover plate, and the positions, at the two sides of the connecting line, of the turnover plate comprise a large turnover plate portion and a small turnover plate portion; the turnover plate mounting portions and a pipe body mounting portion arranged on the pipe body are rotatably connected in an inserted mode, and the turnover plate can swing around the axes of the turnover plate mounting portions; a turnover plate locating portion is arranged on the outer circumference of the large turnover plate portion and corresponds to a pipe body locating portion arranged on the pipe body, and when the turnover plate is horizontal, the turnover plate locating portion and the pipe body locating portion are connected in an inserted mode. The turnover plate can be automatically kept vertical or in a large-angle opened state; smooth drainage is guaranteed; the drainer is convenient to use, sanitary and long in service life.
Description
Technical field
The present invention relates to a kind of bathroom accessory, particularly a kind of gravity turnover panel drain device open in usual.
Background technique
Platform basin and bathroom cabinet are the essential products that Rest Room is installed, platform basin and bathroom cabinet basin body be provided with drainage hole, drain device to be opened/closed is housed in drainage hole, and drain device is connected with sewer.Be divided into turnover panel drain device and bounce drainer according to the mode of action of shrouding opening and closing, bounce drainer opening and closing reliable, profile fashion, but complex structure, working life is shorter; And turnover panel drain device structure is simple, long service life, seals drain device upper end-hole when turnover panel level, and it is then from little to opening greatly drain device draining that turnover panel tilts to upright state, but turnover panel upright state cannot keep, often close or be in less angle of inclination because of the collision of the article such as current or washbowl, cause draining slow or cannot draining, only have and go to pull turnover panel with hand and make it keep upright state, use inconvenience, and hand can touch addle, inadequate health, impact uses mood.
Summary of the invention
For the deficiencies in the prior art part, the invention provides a kind of gravity turnover panel drain device open in usual, its turnover panel can keep the opening state of setting or larger angle automatically, ensures that draining is smooth and easy, easy to use, health, drain device long service life.
For reaching above-mentioned object technological scheme provided by the invention be: a kind of gravity turnover panel drain device open in usual, comprise body, the top of body is provided with turnover panel, the excircle of described turnover panel is provided with two opposite turnover panel assembly departments, two turnover panel assembly departments are symmetricly set on the side of turnover panel, the line of two turnover panel assembly department axis is positioned at the side of turnover panel center line, makes the turnover panel of these line both sides be divided into the large portion of turnover panel and the little portion of turnover panel; The body assembly department grafting rotationally that described turnover panel assembly department and body are arranged, makes turnover panel can around the axis oscillating of turnover panel assembly department; The excircle in the large portion of described turnover panel is provided with turnover panel positioning part, and turnover panel positioning part is corresponding with the body positioning part that body is arranged, when turnover panel level, and turnover panel positioning part and the grafting of body positioning part.
Further, be make turnover panel more easily remain on setting or the opening state of larger angle, the large portion of described turnover panel is provided with balance weight body, and described balance weight body is positioned at the lower surface of turnover panel, and balance weight body protrudes from the lower surface of turnover panel to downward-extension.Balance weight body is arranged on below turnover panel, and the upper surface of turnover panel can be the smooth surface concordant with body upper end.
Further, the integrally formed lower surface at turnover panel of described balance weight body, outside balance weight body, thick inner side is thin, the thick portion of balance weight body in the large portion of turnover panel away from the position of described turnover panel assembly department.Balance weight body is the excrescence of an inclination, with the good integrity of turnover panel, and on the termination in the large portion of turnover panel, arrange the thick portion of balance weight body, when turning under making turnover panel, thick portion is in lower end as far as possible, widen the distance of thick portion and turnover panel rotation axis, make turnover panel more easily remain on position that is vertical or wide-angle unlatching.
Further, be the opening state making turnover panel more easily remain on setting or larger angle, the large portion of described turnover panel is provided with balance weight body, and described balance weight body is the pull head being arranged on turnover panel upper surface.Can arrange pull head at turnover panel upper surface, pull head adds the weight in the large portion of turnover panel, and the large portion of turnover panel is easier to be rotated down and sagging around turnover panel assembly department axis, and upwards lifts pull head when will close and make the large portion of turnover panel upwards be rocked to level.
Further, in order to make the weight difference in the large portion of turnover panel and the little portion of turnover panel apart from larger, the large portion of turnover panel is more easily made to be rotated down and sagging around turnover panel assembly department axis, the line of turnover panel assembly department axis described in two and the distance of end, described turnover panel little portion are the 1/5-1/3 of the perpendicular bisector length of this line on turnover panel.
Further, for convenience of location and structure is simple, described turnover panel positioning part and body positioning part are the hoodle and positioning hole that match.
Further, for convenience of to install and structure is simple, described turnover panel assembly department and body assembly department are the hoodle and positioning hole that match.
Further, as the mode of execution that another kind is installed, described turnover panel assembly department and body assembly department are the pin and positioning hole that match, and at least one pin can stretch along its axis.
Further, for improving sealing, and turnover panel is not interferenceed in the process opened and closed with body, opening and closing is smooth and easy, the outer circumferential profile of described turnover panel cross section is outer convex arc surface, and the interior concaved circular cambered surface of the annular groove of this outer convex arc surface and body oral area is suitable.
Further, for improving sealing, the excircle of described turnover panel is provided with seal ring.
Compared with prior art, there is following beneficial effect: the present invention designs ingenious, the overbanking shaft axis of turnover panel is eccentric in turnover panel and arranges, the turnover panel weight making turnover panel overbanking shaft axis both sides is not etc., the weight in the large portion of turnover panel is larger, naturally overturn downwards, if make turnover panel can remain on the opening state of setting or larger angle and increase balance weight body in the large portion of turnover panel, turnover panel is made more easily to remain on the opening state of setting or larger angle, guarantee draining is smooth and easy, there is not the situation frequently strikeing out turnover panel in using process with the hand, easy to use, health; If close turnover panel, with subordinate by the little portion of turnover panel tilted, the large portion of turnover panel is upwards stirred until slip into the interior concave ring groove of body oral area, enters positioning hole and locate by telescopic hoodle, hoodle can be arranged on turnover panel or body, slat belt drain device long service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Enlarged diagram when Fig. 2 is embodiment 1 turnover panel closed tube upper end.
Fig. 3 is the structural representation (not installing seal ring) of turnover panel in Fig. 1.
Fig. 4 is the structural representation (not installing seal ring) of turnover panel in the embodiment of the present invention 2.
Fig. 5 is the structural representation (not installing seal ring) of turnover panel in the embodiment of the present invention 3.
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Embodiment
Embodiment 1: as shown in Figure 1 to Figure 3, a kind of gravity turnover panel drain device open in usual, and comprise body 1, the upper end of body 1 is provided with flanging, and the lower square set of flanging has two seal rubber pads 2, and the below of seal rubber pad 2 has been threaded locking nut 3.The upper end oral area of body 1 is provided with the annular groove 11 of concaved circular cambered surface in band, the cross section of annular groove 11 is indent circular arc, the suitable turnover panel of annular groove 11 5 is installed in annular groove 11, the outer circumferential profile of turnover panel 5 cross section is outer convex arc surface, the interior concaved circular cambered surface of this outer convex arc surface and annular groove 11 is suitable, and turnover panel 5 is fixed with seal ring 4.
The excircle of turnover panel 5 is provided with two opposite turnover panel assembly departments 53, two turnover panel assembly departments 53 are symmetricly set on the side of turnover panel 5, the line of two turnover panel assembly department 53 axis is positioned at the side of turnover panel center line, the turnover panel 5 of these line both sides is made to be divided into the large portion of turnover panel 51 and the little portion 52 of turnover panel, the line of turnover panel assembly department 53 axis described in two and the distance A of end, described turnover panel little portion 52 are about 1/4 of the perpendicular bisector B length of this line on turnover panel 5.
The body assembly department grafting rotationally that described turnover panel assembly department 53 and body 1 are arranged, makes turnover panel 5 can around the axis oscillating of turnover panel assembly department 53.In the present embodiment, for convenience of install and structure is simple, described turnover panel assembly department 53 and body assembly department are the hoodle and positioning hole that match, hoodle is arranged on turnover panel 5, and hoodle is plunger type bulb spring commercially, marble compressible spring and stretching, body assembly department is then positioning hole, certainly both also can be arranged on the contrary, and turnover panel assembly department 53 is positioning holes, and body assembly department is hoodle.
The excircle in the large portion 51 of turnover panel is provided with turnover panel positioning part 54, turnover panel positioning part 54 is positioned on the perpendicular bisector of two turnover panel assembly department 53 axis lines, turnover panel positioning part 54 is corresponding with the body positioning part 12 that body 1 is arranged, when turnover panel 5 level, turnover panel positioning part 54 and body positioning part 12 grafting, turnover panel positioning part 54 and body positioning part 12 are the hoodle and positioning hole that match, in the present embodiment, positioning hole is arranged on turnover panel 5, hoodle is arranged on body 1, can certainly arrange on the contrary.
In order to make the large portion of turnover panel 51 larger with the weight difference distance in the little portion of turnover panel 52, the large portion of turnover panel 51 is more easily made to be rotated down and sagging around turnover panel assembly department 53 axis, turnover panel 5 more easily remains on the opening state of setting or larger angle, the large portion 51 of described turnover panel is provided with balance weight body 55, described balance weight body 55 is positioned at the lower surface of turnover panel 5, and balance weight body 55 protrudes from the lower surface of turnover panel 5 to downward-extension.Balance weight body 55 is arranged on below turnover panel 5, and the upper surface of turnover panel 5 can be the smooth surface concordant with body 1 upper end.The integrally formed lower surface at turnover panel 5 of balance weight body 55, outside balance weight body 55, thick inner side is thin, the thick portion of balance weight body 55 in the large portion of turnover panel 51 away from the position of described turnover panel assembly department 53, balance weight body 55 is the cambered surface excrescence of an inclination, with the good integrity of turnover panel 5, and the thick portion of balance weight body 55 is set on the termination in the large portion of turnover panel 51, when turnover panel is turned over for 5 times, thick portion is in lower end as far as possible, increase the distance of thick portion and turnover panel 5 rotation axis, make turnover panel 5 more easily remain on position that is vertical or wide-angle unlatching.
Embodiment 2: the correlation between the structure of each parts that the present embodiment comprises and each parts is substantially the same manner as Example 1, as shown in Figure 4, difference is the pull head that the balance weight body 55 of turnover panel 5 is mounted in turnover panel 5 upper surface, pull head is arranged on turnover panel 5 by the mode of screw thread, pull head adds the weight in the large portion 51 of turnover panel, the large portion of turnover panel 51 is easier to be rotated down and sagging around turnover panel assembly department 53 axis, and upwards lifts pull head when will close and make the large portion 51 of turnover panel upwards be rocked to level.In addition, turnover panel assembly department 53 and body assembly department are the pin and positioning hole that match, and at least one pin can stretch along its axis, just turnover panel 5 can be loaded in annular groove 11 when pin shrinks.
Embodiment 3: the correlation between the structure of each parts that the present embodiment comprises and each parts is substantially the same manner as Example 1, as shown in Figure 5, difference is the pull head that the balance weight body 55 of turnover panel 5 is mounted in turnover panel 5 upper surface, and pull head is the protrusion integrally formed with turnover panel 5.
The present invention designs ingenious, the overbanking shaft axis of turnover panel 5 is eccentric in turnover panel 5 and arranges, make the weight of turnover panel in overbanking shaft axis both sides not, the weight in the large portion of turnover panel 51 is larger, naturally overturn downwards, make turnover panel 5 can remain on the opening state of setting or larger angle, if and balance weight body 55 is increased in the large portion 51 of turnover panel, turnover panel 5 is made more easily to remain on the opening state of setting or larger angle, guarantee draining is smooth and easy, there is not the situation frequently strikeing out turnover panel 5 in using process with the hand, easy to use, health; If close turnover panel 5, with subordinate by tilt the little portion of turnover panel 52 or upwards pull the large portion 51 of turnover panel by pull head, the large portion of turnover panel 51 upwards stirs until slip into the interior concave ring groove 11 of body 1 oral area, enter positioning hole by telescopic hoodle and locate, hoodle can be arranged on turnover panel 5 or body 1, slat belt drain device long service life.
Above embodiment is only in order to illustrate technological scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technological scheme of the present invention or equivalent replacement, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (10)
1. a gravity turnover panel drain device open in usual, comprise body, the top of body is provided with turnover panel, it is characterized in that: the excircle of described turnover panel is provided with two opposite turnover panel assembly departments, two turnover panel assembly departments are symmetricly set on the side of turnover panel, the line of two turnover panel assembly department axis is positioned at the side of turnover panel center line, makes the turnover panel of these line both sides be divided into the large portion of turnover panel and the little portion of turnover panel; The body assembly department grafting rotationally that described turnover panel assembly department and body are arranged, makes turnover panel can around the axis oscillating of turnover panel assembly department; The excircle in the large portion of described turnover panel is provided with turnover panel positioning part, and turnover panel positioning part is corresponding with the body positioning part that body is arranged, when turnover panel level, and turnover panel positioning part and the grafting of body positioning part.
2. gravity according to claim 1 turnover panel drain device open in usual, is characterized in that: the large portion of described turnover panel is provided with balance weight body, and described balance weight body is positioned at the lower surface of turnover panel, and balance weight body protrudes from the lower surface of turnover panel to downward-extension.
3. gravity according to claim 2 turnover panel drain device open in usual, is characterized in that: the integrally formed lower surface at turnover panel of described balance weight body, and outside balance weight body, thick inner side is thin, the thick portion of balance weight body in the large portion of turnover panel away from the position of described turnover panel assembly department.
4. gravity according to claim 1 turnover panel drain device open in usual, it is characterized in that: the large portion of described turnover panel is provided with balance weight body, described balance weight body is the pull head being arranged on turnover panel upper surface.
5. gravity according to claim 1 turnover panel drain device open in usual, is characterized in that: the line of turnover panel assembly department axis described in two and the distance of end, described turnover panel little portion are the 1/5-1/3 of the perpendicular bisector length of this line on turnover panel.
6. gravity according to claim 1 turnover panel drain device open in usual, is characterized in that: described turnover panel positioning part and body positioning part are the hoodle and positioning hole that match.
7. gravity according to claim 1 turnover panel drain device open in usual, is characterized in that: described turnover panel assembly department and body assembly department are the hoodle and positioning hole that match.
8. gravity according to claim 1 turnover panel drain device open in usual, is characterized in that: described turnover panel assembly department and body assembly department are the pin and positioning hole that match, and at least one pin can stretch along its axis.
9. gravity according to claim 1 turnover panel drain device open in usual, is characterized in that: the outer circumferential profile of described turnover panel cross section is outer convex arc surface, and the interior concaved circular cambered surface of the annular groove of this outer convex arc surface and body oral area is suitable.
10. the turnover panel drain device open in usual of the gravity according to any one of claim 1-9, is characterized in that: the excircle of described turnover panel is provided with seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510509409.0A CN105065690B (en) | 2015-08-19 | 2015-08-19 | Gravity normally-open type turnover plate drainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510509409.0A CN105065690B (en) | 2015-08-19 | 2015-08-19 | Gravity normally-open type turnover plate drainer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105065690A true CN105065690A (en) | 2015-11-18 |
| CN105065690B CN105065690B (en) | 2017-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510509409.0A Active CN105065690B (en) | 2015-08-19 | 2015-08-19 | Gravity normally-open type turnover plate drainer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105065690B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677288A (en) * | 2017-03-03 | 2017-05-17 | 河南工业大学 | Return flow prevention device for drainage pipeline of building |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1121968A (en) * | 1997-07-02 | 1999-01-26 | Yasumi Ota | Drain valve device of bathtub |
| CN2801897Y (en) * | 2005-07-01 | 2006-08-02 | 王连庆 | Sewer water blocking device |
| CN201137181Y (en) * | 2007-12-25 | 2008-10-22 | 赵卫兴 | Turning plate automatic closing deodorized drainer |
| CN201241362Y (en) * | 2008-06-16 | 2009-05-20 | 杨教开 | Turning plate cap of water drainage device |
| CN201620452U (en) * | 2010-03-08 | 2010-11-03 | 赵云玲 | Universal deodorization and insect prevention movable drain device |
| CN102720254A (en) * | 2011-03-29 | 2012-10-10 | 蔡静 | Flap plate sealing device and sanitary ware with same |
| CN102995716A (en) * | 2012-12-31 | 2013-03-27 | 台州海天铜业制造有限公司 | Cover-type drainer |
| CN202969501U (en) * | 2012-12-21 | 2013-06-05 | 温州市龙湾海城江龙水暖配件店 | Deodorization component and waterlet with same |
| CN203230011U (en) * | 2013-04-28 | 2013-10-09 | 施福寿 | Washbasin sewer |
| CN203307897U (en) * | 2013-06-25 | 2013-11-27 | 林弘烨 | Novel drainer with turning plate and filtering function |
| CN204852376U (en) * | 2015-08-19 | 2015-12-09 | 王金春 | Automatic open in usually turn over hydrophone under board |
-
2015
- 2015-08-19 CN CN201510509409.0A patent/CN105065690B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1121968A (en) * | 1997-07-02 | 1999-01-26 | Yasumi Ota | Drain valve device of bathtub |
| CN2801897Y (en) * | 2005-07-01 | 2006-08-02 | 王连庆 | Sewer water blocking device |
| CN201137181Y (en) * | 2007-12-25 | 2008-10-22 | 赵卫兴 | Turning plate automatic closing deodorized drainer |
| CN201241362Y (en) * | 2008-06-16 | 2009-05-20 | 杨教开 | Turning plate cap of water drainage device |
| CN201620452U (en) * | 2010-03-08 | 2010-11-03 | 赵云玲 | Universal deodorization and insect prevention movable drain device |
| CN102720254A (en) * | 2011-03-29 | 2012-10-10 | 蔡静 | Flap plate sealing device and sanitary ware with same |
| CN202969501U (en) * | 2012-12-21 | 2013-06-05 | 温州市龙湾海城江龙水暖配件店 | Deodorization component and waterlet with same |
| CN102995716A (en) * | 2012-12-31 | 2013-03-27 | 台州海天铜业制造有限公司 | Cover-type drainer |
| CN203230011U (en) * | 2013-04-28 | 2013-10-09 | 施福寿 | Washbasin sewer |
| CN203307897U (en) * | 2013-06-25 | 2013-11-27 | 林弘烨 | Novel drainer with turning plate and filtering function |
| CN204852376U (en) * | 2015-08-19 | 2015-12-09 | 王金春 | Automatic open in usually turn over hydrophone under board |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677288A (en) * | 2017-03-03 | 2017-05-17 | 河南工业大学 | Return flow prevention device for drainage pipeline of building |
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| Publication number | Publication date |
|---|---|
| CN105065690B (en) | 2017-04-26 |
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Effective date of registration: 20191105 Address after: 314100 room 427, No.16 Fuxing Avenue, Xitang Town, Jiashan County, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Xitang Industry Co., Ltd Address before: 362300 Fujian city of Quanzhou province Nanan city official town Xilicun Soil Bridge No. 26 Patentee before: Wang Jinchun |
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