CN201276744Y - Deodorizing draining valve - Google Patents
Deodorizing draining valve Download PDFInfo
- Publication number
- CN201276744Y CN201276744Y CNU2008201123776U CN200820112377U CN201276744Y CN 201276744 Y CN201276744 Y CN 201276744Y CN U2008201123776 U CNU2008201123776 U CN U2008201123776U CN 200820112377 U CN200820112377 U CN 200820112377U CN 201276744 Y CN201276744 Y CN 201276744Y
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- air inlet
- overflow
- pipe
- foul smell
- box
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Abstract
The utility model relates to a deodorization drain valve, belonging to the stool deodorization field for the closestool in residential dwellings (or hotels), which is characterized in that the base of the deodorization drain valve is provided with a cylinder odor inlet tube at left; the tube wall is provided with a semicircle air flat inlet whose arc face is flat and open; an air inlet box at right side is a hollow flat box whose left side face is provided with a semicircle arc flat opening and is vertically communicated with the odor inlet tube via sealing type; the middle part of the gas locking overflow tube is provided with a gas locking chamber, the bottom face is provided with a gas locking holes, a floating ball is provided in the gas locking chamber; when in deodorization, the floating ball sinks, to control air to enter into the deodorization system to improve deodorization efficiency; when there is overflow, the floating ball can float in a floating ball chamber to prevent overflow accident; two ends of an inverted-U anti-reverse plastic tube are respectively communicated with the upper ports of a gas outlet tube and an exhaust tube via sealing type; via the high-speed rotation of the blade wheel of a dual-purpose exhaust fan, the odor of closestool is discharged outside room via the deodorization drain valve and an odor suction channel, thereby protecting and improving the air quality of houses.
Description
Technical field
The utility model relates to esidential building, hotel toilet seat closet human excrement and urine foul smell is removed the field, is specially a kind of deodorizing draining valve.
Background technology
At one's leisure, the ight soil that human body is drained produces a large amount of unpleasant foul smell that contain gases such as ammonia, hydrogen sulfide to the people on the toilet seat closet.These foul gas are emitted in the toilet, will and suck the human body of these foul smell to frequent contact, cause the different harm of degree, for example: stimulate people's the sense of smell and the organs of vision, cause the relevant organ of human body slow in reacting, numb.Hydrogen sulfide gas wherein is inhaled in the human body, can be blended in people's the blood, makes the people easily suffer from cardiovascular and cerebrovascular diseases such as cerebral thrombus, scheming infarction.
Current, people adopt in the toilet urinal pond metastomium and the left and right sides in the washroom, and relevant apparatus such as air-introduced machine are installed, and promptly remove human excrement and urine's foul smell in the toilet by the form of catalyst such as blower fan air inducing, active carbon absorption.Like this, just make the gas-flow resistance of this class deodorizing device for toilet bowl increase, energy consumption increases; The activity cycle of catalyst such as active carbon is shorter, easily loses efficacy and changes frequently, and not only clean-up effect is poor, and operating cost is also very big.And, this class odor removal because be installed in the urinal pond metastomium of toilet and urinal enclose along on, the scale of construction is very big, has both influenced the toilet good looking appearance, is unfavorable for the hygienic cleaning of toilet again; Simultaneously, because the device that this class deodorizing device for toilet bowl mostly bundles for a plurality of functions costs an arm and a leg, be difficult for popularizing.
My utility model patent " deodorizing toilet " (application number: 200820116002.7) solved the deficiency that common toilet can not be removed ight soil foul smell in the urinal; provide a kind of; under the effect of dual-purpose exhaust fan; can remove the human excrement and urine's foul smell in the toilet urinal; can remove the device of the gas with foreign flavor in the washroom again; reach protection and improve the dwelling house quality of air environment, the purpose of protection health.But, because the bleed off pipe of deodorizing toilet draining valve, be higher than the water tank water surface just often, both be communicated with, be communicated with the deodorizing pipe-line system of deodorizing draining valve again with atmosphere, when the ight soil foul smell is removed in the toilet in the operation of dual-purpose exhaust fan, the suction function that is produced can be in the room air suction overfall pipe, make should be airtight deodoration system, produce gas leak phenomenon, and then influence the deodorizing effect of deodorizing toilet.
Summary of the invention
Produce gas leak phenomenon when overcoming the deodorizing of deodorizing toilet, influencing deodoration system normally moves, reduce the deficiency of deodorizing toilet deodorizing effect, the utility model provides a kind of deodorizing draining valve, this deodorizing draining valve, can be in removing deodorizing toilet urinal during foul smell, sealing float chamber lock pore guarantees that deodoration system normally moves; When water tank overflow, overflow water can be entered in the urinal by the float chamber again.
The utility model is a kind of, on being installed in deodorizing water-closet tank diapire draining valve fixing hole and being connected circular hole, rotate the negative pressure exhaust effect that is produced at a high speed at dual-purpose exhaust fan impeller,, clear out of outdoor device through the foul smell suction passage with the ight soil foul smell that human body in the deodorizing toilet is drained.Its technical characterstic is: inlet channel, foul smell air induction mast, the flat mouth of air inlet, air inlet box, fall " U " font anti counter-flowing plastic pipe, stack and constitute the foul smell suction passage.Inlet channel, foul smell air induction mast constitute water tank and dash just water discharge passage.Inlet channel, foul smell air induction mast, the flat mouth of air inlet, air inlet box, tube connector, lock gas bleed off pipe constitute the overflow water discharge-channel.Lock pore, float chamber, ball float, catch constitute the super water level overflow of water tank and air enters control device.
The purpose of this utility model is achieved in that the deodorizing draining valve is dashed by deodorizing draining valve base, two button that just water management tube, lock gas bleed off pipe and anti counter-flowing pipeline four parts are formed.
Deodorizing draining valve chassis left side is, is the foul smell air induction mast of hollow cylinder tubular, and its top is used for fixing two buttons and dashes just water management tube; The bottom is fixed in the draining valve fixing hole on the tank bottom wall.The internal cavities cylinder of foul smell air induction mast sucks and dashes the just passage of water discharging as foul smell; On the horizontal circumference barrel in axial line right side at foul smell air induction mast middle part, be shaped on a semicircular arc, cambered surface is flat mouthful of flat-shaped uncovered air inlet.Flat mouthful of place of semicircular arc air inlet on foul smell air induction mast outer tube wall, level connects the air inlet box of a flat box body shape of the cavity perpendicular to the foul smell air induction mast to the right, and air inlet box left upper portion box face is semicircular arc, and cambered surface is flat-shaped uncovered; When overlooking, the semicircular arc of air inlet box left side for emptying, the right side is square, and links into an integrated entity with foul smell air induction mast outer tube wall.Flat mouthful of airtight connection of cavity in the air inlet box and air inlet.Circular escape pipe and circular tube connector are separately positioned on the air inlet box upper box face, and with airtight connection of air inlet box cavity.Inlet channel, foul smell air induction mast, the flat mouth of air inlet, air inlet box, the airtight one by one connection of escape pipe.
Two buttons dash just that the water management tube is cylindric, are installed in foul smell air induction mast top, are used to close and discharge and dash just water.
Lock gas bleed off pipe is fixed on the tube connector.Lock gas bleed off pipe is made up of three parts from bottom to top.The bottom is that the overflow of pipe shape is managed down, is fixed on the tube connector.The middle part is the float chamber, and the float chamber is the inner cylinder barrel shaped of cavity that is, bottom surface, float chamber diameter is greater than managing diameter in pipe and the overflow under the overflow, and the float chamber installs inside one can be at the plastics ball float of water float; On the center of float chamber's bottom circle, a circle lock pore less than floating ball diameter is set, occluded air enters or passes through current during overflow when being used for deodorizing; On top, float chamber the catch that is shaped on the cross grid is installed, overflow water is entered in the float chamber.When being full of overflow water in the float chamber, ball float can be floating, is limited in again in the float chamber, and overflow water will trickle downwards.Pipe and top are the overflow pipe cap of cavity in the overflow of tubular, are positioned at lock gas bleed off pipe top, are used for downward water conservancy diversion overflow water.The bottom of pipe is fixed on the catch of top, float chamber in the overflow.
The anti counter-flowing pipe section, mainly by fall " U " font anti counter-flowing plastic pipe with stack, be connected circular hole and form." U " font anti counter-flowing plastic pipe that falls is the pipe that is down " U " font, and the connector of one end is communicated with the escape pipe of air inlet box is airtight, the gas outlet of the other end and stack airtight connection the suitable for reading.The stack end opening plastics appendix interior with being embedded in the washroom body of wall is communicated with.The stack middle part is shaped on screw thread, by screw thread and O-ring seal, seal gasket, pad and fastening nut, in the airtight connection circular hole that is fixed on the tank bottom wall of stack.Connecting circular hole is arranged on the tank bottom wall with air inlet box one side.
When starting dual-purpose exhaust fan, when removing the ight soil foul smell in the deodorizing toilet urinal, under the effect of dual-purpose exhaust fan negative pressure, the downward sedimentation of ball float in the lock gas bleed off pipe float chamber, pore is locked by the float chamber tightly to block, whole deodorizing exhaust system is in air-tight state, foul smell in the deodorizing toilet urinal, through inlet channel, foul smell air induction mast, flat mouth of air inlet, air inlet box, escape pipe, " U " font anti counter-flowing plastic pipe, stack, enter in the appendix that is embedded in the washroom body of wall, enter self-purification in the atmosphere at last.
When the water intaking valve of water tank or deodorizing draining valve are out of control, can cause and dash just current water tank in the water tank, enter the washroom accident of metalling run out, because the height of lock gas bleed off pipe is lower than water tank wall height, at this moment, towards just water can only be in overflow pipe cap inflow overflow in the pipe, and after the catch grid flows into the float chamber, in the float chamber, ball float levitating under the buoyancy of water effect comes, but because the positioning action of catch, ball float can only withstand on below the catch of grid, overflow dash just water just through the space of catch grid, around the ball float spheroid, flow to the float chamber downwards, under lock pore inflow overflow, in the pipe, pass through the air inlet box more again, flat mouthful of air inlet, the foul smell air induction mast, inlet channel flows in the urinal, prevents that effectively the accident of metalling run out of overflow water from taking place.
Dash just water management tube when discharging two buttons, when removing the ight soil in the deodorizing toilet urinal, dash just that water washes away the ight soil in the urinal through foul smell air induction mast, inlet channel in the water tank.
Start dual-purpose exhaust fan, when removing in the deodorizing toilet human excrement and urine's foul smell, inlet channel, foul smell air induction mast, flat mouth of air inlet, air inlet box, fall " U " font anti counter-flowing plastic pipe, stack formation foul smell suction passage.Discharge and dash when just water is flushed the toilet, inlet channel, foul smell air induction mast formation are dashed just aquaporin.When take place dashing just water overflow accident, pipe, tube connector, air inlet box, flat mouth of air inlet, foul smell air induction mast, inlet channel formation overflow water discharge-channel under pipe, float chamber, the overflow in overflow pipe cap, the overflow.Lock pore, float chamber, ball float, catch constitute the super water level overflow of water tank and air enters control device.
Advantage of the present utility model is: 1. adopt flat mouthful of air inlet box, air inlet is set on deodorizing draining valve base, enlarged the cross section of foul smell intake duct, help removing fast foul smell; 2. on air inlet box upper box face, be provided with " U " font anti counter-flowing plastic pipe and lock gas bleed off pipe respectively, realizes that super water level overflow and foul smell enter the structure-integrated of control, realize the foul smell discharge and surpassed organic control of water level overflow; 3. the float chamber is set, but not only overflow but can be when deodorizing airtight deodoration system, guarantee that deodoration system does not leak; 4. the compliance of deodorizing draining valve is extensive, can be used for the deodorizing toilet of any specification; 5. the deodorizing draining valve can be transformed on the identical normal discharge valve base plinth of specification, and less input for transformation funds; 6. the processing of deodorizing draining valve is simple, is easy to make.
The utility model can effectively be removed the ight soil foul smell in the deodorizing toilet, guarantees the indoor air environmental quality.
Description of drawings
Fig. 1 is the utility model structural principle A-A generalized section;
Fig. 2 is the utility model structural principle B-B generalized section;
Fig. 3 is the utility model structural principle schematic top plan view;
Fig. 4 looks generalized section for the utility model draining valve understructure principle master;
Fig. 5 is the utility model draining valve understructure principle schematic top plan view;
Fig. 6 is the utility model draining valve understructure principle C-C generalized section;
Fig. 7 looks schematic diagram for the utility model baffle structure principle master;
Fig. 8 is the utility model baffle structure principle D-D generalized section;
Fig. 9 is the utility model baffle structure principle E-E rotation generalized section;
1-draining valve base, 2-foul smell air induction mast, flat mouthful of 3-air inlet, 4-air inlet box, the 5-escape pipe, the 6-connector, 7-is " U " font anti counter-flowing plastic pipe, the 8-gas outlet, the 9-stack is suitable for reading, the 10-stack, the 11-O-ring seal, 12-connects circular hole, the 13-seal gasket, the 14-pad, the 15-fastening nut, 16-stack end opening, 17-dashes just water management tube, 18-draining valve O-ring seal, the 19-tank bottom wall, the 20-inlet channel, the 21-tube connector, the 22-overflow is pipe down, 23-lock gas bleed off pipe, 24-locks pore, the 25-float chamber, the 26-ball float, the 27-catch, manage in the 28-overflow, 29-overflow pipe cap, 30-air inlet box sidewall.
The specific embodiment
Below in conjunction with accompanying drawing in detail the utility model embodiment is described in detail:
In Fig. 1 to Fig. 6, deodorizing draining valve base (1) left side is foul smell air induction mast (2), is the hollow cylinder tubular.Two buttons dash just, and water management tube (17) is fixed on foul smell air induction mast (2) top.The bottom of foul smell air induction mast (2) is fixed in the draining valve fixing hole on the tank bottom wall (19).The cavities cylinder is as sucking foul smell and dashing the just passage of water discharging in the foul smell air induction mast (2).On the horizontal circumference barrel in axial line right side at foul smell air induction mast (2) middle part, be shaped on a semicircular arc, cambered surface is flat mouthful of flat-shaped uncovered air inlet (3).Semicircular arc air inlet on foul smell air induction mast (2) outer tube wall flat mouthful (3) is located, level connects the air inlet box (4) perpendicular to the flat box body shape of cavity of foul smell air induction mast (2) to the right, when overlooking, the semicircular arc of air inlet box (4) left side for emptying, the right side is square, and links into an integrated entity with foul smell air induction mast (2) outer tube wall.(3) are airtight is communicated with for cavity in the air inlet box (4) and the flat mouth of air inlet.
The tube connector (21) of circular escape pipe (5) and circle is separately positioned on air inlet box (4) the upper box face, and with air inlet box (4) the airtight connection of cavity.Inlet channel (20), foul smell air induction mast (2), air inlet flat mouthful of (3), air inlet box (4), the airtight one by one connection of escape pipe (5).
In Fig. 1, Fig. 2, two buttons dash just that water management tube (17) is cylindric, are installed in foul smell air induction mast (2) top, are used to close and discharge and dash just water.
In Fig. 2, Fig. 3, Fig. 5, Fig. 7, Fig. 8, Fig. 9, lock gas bleed off pipe (23) is fixed on (21) on the tube connector, is made up of three parts from bottom to top.The bottom is that (22) are managed in the overflow of pipe shape down, is fixed on the tube connector (21).The middle part is float chamber (25), and float chamber (25) are the inner cylinder barrel shaped of cavity that is, float chamber (25) diameter is managed the diameter of pipe (28) in (22) and the overflow down greater than overflow; One of the inner installation in float chamber (25) can be at the plastics ball float (26) of water float; On the center of float chamber (25) bottom circle, a circle lock pore (24) less than ball float (26) diameter is set, occluded air enters or passes through current during overflow when being used for deodorizing; The catch (27) that is shaped on the cross grid is installed on top, float chamber (25), and the water that overflow is come enters in the float chamber (25); When float chamber (25) when being full of water, ball float (26) can be floating, is limited in again in the float chamber (25), and overflow water will trickle downwards.Lock gas bleed off pipe (23) top is that pipe (28) and top are the overflow pipe cap (29) of cavity in the overflow of tubular, and overflow pipe cap (29) is used for the overflow water water conservancy diversion entered manages (28) in the overflow.The bottom of pipe (28) is fixed on float chamber (25) the top catch (27) in the overflow.
In Fig. 1, Fig. 2, Fig. 3, fall " U " font anti counter-flowing plastic pipe (7), for falling the pipe of " U " font, the airtight connection of escape pipe (5) on the connector of one end (6) and air inlet box (4) the upper box face, the gas outlet of the other end (8) (9) suitable for reading with stack airtight connection.Stack end opening (16) the foul smell appendix interior with being embedded in the washroom body of wall is communicated with.Stack (10) middle part is shaped on screw thread, by screw thread and O-ring seal (11), seal gasket (13), pad (14) and fastening nut (15), in the airtight connection circular hole (12) that is fixed on the tank bottom wall (19) of stack (10).Connecting circular hole (12) is arranged on the tank bottom wall (19) with air inlet box (4) homonymy.
When the ight soil foul smell in the removing deodorizing toilet urinal, under the effect of centrifugal dual-purpose exhaust fan negative pressure, the sedimentation downwards of ball float (26) in the float chamber (25), lock pore (24) in float chamber (25) is tightly blocked, at this moment, whole deodorizing exhaust system is in air-tight state, foul smell in the deodorizing toilet urinal, just through inlet channel (20), foul smell air induction mast (2), flat mouthful of air inlet (3), air inlet box (4), escape pipe (5), fall " U " font anti counter-flowing plastic pipe (7), stack (10), enter in the foul smell appendix that is embedded in the washroom body of wall, enter outdoor at last.
If out-of-control condition takes place in tap water water intaking valve in the water tank or deodorizing draining valve (1), cause dash just water in the water tank to outer outflow, when metalling run out accident, because the height of lock gas bleed off pipe (23), be lower than water tank wall height relatively, at this moment, dashing just water can only flow into and manage in (28) in overflow pipe cap (29) and the overflow, then pass through the grid of catch (27), flow in the float chamber (25), in float chamber (25), ball float (26) levitating under the buoyancy of water effect comes, but because the positioning action of catch (27), ball float (26) can only be in below the catch (27) that grid is arranged.Overflow dash just water around ball float (26) spheroid, downwards through the lock pore (24) on the bottom surface, float chamber (25), and (22) are managed in overflow down, pass through again in air inlet box (4), air inlet flat mouthful of (3), foul smell air induction mast (2), inlet channel (20) the inflow urinal, prevent that effectively the accident of metalling run out of overflow water from taking place.
When removing the ight soil in the deodorizing toilet urinal, discharge two buttons and dash just water management tube (17), dash just that water washes away the ight soil in the urinal through foul smell air induction mast (2), inlet channel (20) in the water tank.
Inlet channel (20), foul smell air induction mast (2), air inlet flat mouthful of (3), air inlet box (4), fall " U " font anti counter-flowing plastic pipe (7), stack (10) and constitute the foul smell suction passage.Inlet channel (20), foul smell air induction mast (2) formation are dashed just aquaporin.Pipe (22), tube connector (21), air inlet box (4), air inlet flat mouthful of (3), foul smell air induction mast (2), inlet channel (20) constitute the overflow water discharge-channel down for pipe (28), float chamber (25), overflow in overflow pipe cap (29), the overflow.Lock pore (24), float chamber (25), ball float (26), catch (27) constitute the super water level overflow of water tank and air enters control device.
Claims (4)
1. deodorizing draining valve, be fixed on the water-closet tank diapire, close or discharge and dash the just device of water, it is characterized in that, foul smell air induction mast (2) is cylindrical tubular, the barrel middle part is shaped on semicircular arc, cambered surface is flat mouthful of flat-shaped uncovered air inlet (3), air inlet box (4) is the flat box body shape of cavity, air inlet box (4) left upper portion box face is semicircular arc, cambered surface is flat-shaped uncovered, right upper portion box face is square, flat mouthful (3) are airtight is communicated with for air inlet box (4) cambered surface flat-shaped uncovered and air inlet, air inlet box (4) top, lower box face horizontal vertical is in foul smell air induction mast (2) barrel, air inlet box (4) connects as one with foul smell air induction mast (2), escape pipe of tubular (5) and tube connector (21) are separately positioned on air inlet box (4) the upper box face, and with air inlet box (4) the airtight connection of cavity, " U " font anti counter-flowing plastic pipe (7) that falls is down " U " font, two ends respectively with escape pipe (5), stack (10) is communicated with, lock gas bleed off pipe (23) is fixed on the tube connector (21), inlet channel (20), foul smell air induction mast (2), flat mouthful of air inlet (3), air inlet box (4), fall " U " font anti counter-flowing plastic pipe (7), stack (10) constitutes the foul smell suction passage, inlet channel (20), foul smell air induction mast (2) formation is dashed just aquaporin, overflow pipe cap (29), pipe (28) in the overflow, float chamber (25), overflow is pipe (22) down, tube connector (21), air inlet box (4), flat mouthful of air inlet (3), foul smell air induction mast (2), inlet channel (20) constitutes the overflow water discharge-channel, lock pore (24), float chamber (25), ball float (26), catch (27) constitutes the super water level overflow of water tank and air enters control device.
2. deodorizing draining valve according to claim 1, it is characterized in that, lock gas bleed off pipe (23) bottom is that (22) are managed in the overflow of tubular down, the middle part is float chamber (25), float chamber (25) is cylinder barrel shaped, and ball float (26) places in the float chamber (25), and float chamber (25) bottom center is provided with circular lock pore (24), the catch (27) that is shaped on the cross grid is installed on top, float chamber (25), and lock gas bleed off pipe (23) top is pipe (28) and overflow pipe cap (29) in the overflow.
3. deodorizing draining valve according to claim 1 is characterized in that, connects circular hole (12) and is arranged on the tank bottom wall (19) with air inlet box (4) homonymy.
4. deodorizing draining valve according to claim 1 is characterized in that, stack (10) middle part is shaped on screw thread, by screw thread stack (10) is fixed on to connect in the circular hole (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201123776U CN201276744Y (en) | 2008-08-29 | 2008-08-29 | Deodorizing draining valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201123776U CN201276744Y (en) | 2008-08-29 | 2008-08-29 | Deodorizing draining valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201276744Y true CN201276744Y (en) | 2009-07-22 |
Family
ID=40894329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201123776U Expired - Fee Related CN201276744Y (en) | 2008-08-29 | 2008-08-29 | Deodorizing draining valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201276744Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010006538A1 (en) * | 2008-07-16 | 2010-01-21 | 福建弘腾电子科技有限公司 | Fitting for water tank of closet |
| CN103890285A (en) * | 2011-07-15 | 2014-06-25 | 阿马德乌·托努西·罗德里格斯 | Device for evacuating odors from toilets |
| WO2014114202A1 (en) * | 2013-01-23 | 2014-07-31 | 厦门惠尔洁卫浴科技有限公司 | Improved dual control mode-type deodorising and water drainage valve |
| CN107780495A (en) * | 2017-11-30 | 2018-03-09 | 厦门科陶卫浴科技有限公司 | A kind of overflow pipe structure for accelerating row's speed |
| CN108487400A (en) * | 2018-05-25 | 2018-09-04 | 厦门瑞尔特卫浴科技股份有限公司 | A kind of drain valve with cleaning agent |
-
2008
- 2008-08-29 CN CNU2008201123776U patent/CN201276744Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010006538A1 (en) * | 2008-07-16 | 2010-01-21 | 福建弘腾电子科技有限公司 | Fitting for water tank of closet |
| CN103890285A (en) * | 2011-07-15 | 2014-06-25 | 阿马德乌·托努西·罗德里格斯 | Device for evacuating odors from toilets |
| WO2014114202A1 (en) * | 2013-01-23 | 2014-07-31 | 厦门惠尔洁卫浴科技有限公司 | Improved dual control mode-type deodorising and water drainage valve |
| CN107780495A (en) * | 2017-11-30 | 2018-03-09 | 厦门科陶卫浴科技有限公司 | A kind of overflow pipe structure for accelerating row's speed |
| CN108487400A (en) * | 2018-05-25 | 2018-09-04 | 厦门瑞尔特卫浴科技股份有限公司 | A kind of drain valve with cleaning agent |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090722 Termination date: 20110829 |