CN2639625Y - Water tank sealing up device of high water pressure resistance - Google Patents

Water tank sealing up device of high water pressure resistance Download PDF

Info

Publication number
CN2639625Y
CN2639625Y CN 03208143 CN03208143U CN2639625Y CN 2639625 Y CN2639625 Y CN 2639625Y CN 03208143 CN03208143 CN 03208143 CN 03208143 U CN03208143 U CN 03208143U CN 2639625 Y CN2639625 Y CN 2639625Y
Authority
CN
China
Prior art keywords
water
sealing
valve
water tank
connecting rod
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.)
Expired - Fee Related
Application number
CN 03208143
Other languages
Chinese (zh)
Inventor
林逸谦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN 03208143 priority Critical patent/CN2639625Y/en
Application granted granted Critical
Publication of CN2639625Y publication Critical patent/CN2639625Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Sanitary Device For Flush Toilet (AREA)

Abstract

The utility model discloses a high water pressure resistance sealing device for a water tank; a hydraulic lifting unit comprises a sinker and a buoy which are respectively arranged; the sinker is provided with a connection arm which is extended toward the outer side and can be connected with a lock bolt of a connection rod; the buoy is provided with a swing arm which is extended downward; the sealing valve unit comprises a set of body which is connected with the outer water pipe and is provided with an inner pipe inside; a valve hole is arranged at the tail end of the inner pipe; a valve core is arranged inside the valve hole and is connected with connection rod and is provided with a cone-shaped guide head; a sealing cushion is sleeved at the shoulder neck part of the back end of the guide head; a plurality of axially-arranged flow guide grooves are arranged around the axial post at the middle section of the valve core; the valve core end is pinned on the connection rod; the sealing cushion for the valve core can be embedded and sealed on the sealing embedding groove of the valve hole. Furthermore, a cover is embedded at the upper end of the outer casing of the body for pivoting the connection rod and is provided with a drain through hole which is communicated with the cavity body, and a guide pipe can be connected to guide water flow into the stool chair.

Description

The water tank water cut-off device of high water pressure resistant
Technical field
The utility model is about a kind of high pressure resistant water tank water cut-off device improved structure, especially a kind of being installed in of finger utilized waterpower lifting unit lifting displacement along with quantity of water in water tank in the water tank, drive a connecting rod and swing up and down, reach the water tank water cut-off device of the regulating tank water yield to control the valve opening and closing of a sealing valve cell.
Background technique
The sealing control valve unit has been widely used in the tank of water storage tank or flush toilet, in order to control water yield feeding, avoids causing the phenomenon that overflows to dilutional hyponatremia; The structure of existing sealing control valve unit slightly is to comprise a sealing valve seat and that is installed in water intake to be used for controlling the floating drum that inlet valve opens and closes, wherein this floating drum is connected with the inlet valve of this valve seat by a cantilever, utilize floating drum to move and drive cantilevered swing, reach the effect that the control inlet valve opens and closes along with water surface fluctuation; This existing sealing control valve unit, its valve are set at the water outlet direction outside of water intake usually, and the weight of utilizing aforementioned floating drum and cantilever itself makes the valve tight closure on water intake as bearing down on one strength, reaches the usefulness of hermetic seal; But this sealing valve constitution uses under high hydraulic pressure situation, when for example the resident family of high buildings and large mansions uses, often valve is pushed open because of the high-pressure water flow of inlet pipeline, cause to reach the function of hermetic seal, or cause mouth of a river seepage to waste the water source in rain, and the high pressure in when water inlet rapidly current can produce huge pulsatile impact to valve, make this cantilever and floating drum generation seismism jointly, not only often cause member to damage or transposition, people's noise is disturbed in generation, and the impact of high-pressure water flow causes rubber valve wearing and tearing or distortion easily, seriously detracts working life.
For overcoming the not good shortcoming of above-mentioned stagnant water effect, general way is by the jib-length that increases between floating drum and the valve seat at present, provide the bigger closed strength of bearing down on one to the sealing valve, make the sealing valve have the usefulness of high pressure sealing, this way really can bring up preferable sealing closure effect in the ordinary course of things, when yet the cantilever that prolongs caused into water or water outlet also, the situation that often causes buoy displacement to rock produced the less stable that closure is exerted pressure; In addition, in some less water storage tanks (for example cistern), because the limited cantilever that can only use shorter length of width, the valve that causes providing enough bears down on one strength to reach the high pressure stagnant water effect.
The model utility content
The purpose of this utility model is that a kind of water tank water cut-off device that overcomes the high water pressure resistant of above-mentioned prior art shortcoming is provided.
The water tank water cut-off device of high water pressure resistant provided by the utility model, has one group of sealing valve cell and one group of waterpower lifting unit that is installed in the water tank, and two between mat one connecting rod link and operate, utilize the lifting displacement of this waterpower lifting unit along with quantity of water in water tank, drive this connecting rod and swing up and down controlling the valve opening and closing of this sealing valve cell, and then the regulating tank water yield.
This sealing valve cell comprises one group of pedestal that is connected with outer water pipe, below the shell of pedestal, be provided with osculum and tie a cover cap in this shell upper end embedding, again, pipe in one is established in this pedestal inside, and the end of pipe is established a valve hole in this, in this valve hole string establish one with the spool of aforementioned connecting rod interlock.Make this valve hole peripheral slightly be cone shape inclined-plane, and be provided with the sealing caulking groove of annular in this sealing inclined-plane; And this spool tool one cone shape flow guiding head, in the sheathed sealing packing ring of the shoulder neck of flow guiding head rear end, and the jack-post periphery at section position offers the current guide groove that several axially is provided with among this spool, and the spool end is pinned on the aforementioned connecting rod, make this flow guiding head rest among the pipe and its cone tip part meet to the feed water flow direction, and the sealing packing ring of spool just can nested driving fit on the sealing caulking groove in this valve hole.
Be provided with the drainage hole of a connection cavity in addition in this cover cap, can connect an aqueduct water water conservancy diversion is arrived toilet seat; Wherein, during the water inlet of this sealing valve cell, the Waterflow-guiding of part can being intake is to the last chow ring flushing pipe of toilet, and the secondary cleaning usefulness behind the closet flushing is provided by this, and the operational effectiveness of visual monitoring sealing valve,
Again, best, a sheathed filter screen enters within the valve seat in order to the filtering granule foreign on the water inlet of this sealing valve cell, in order to avoid water pipeline blocks.
And this connecting rod front end is articulated on the cover cap of aforementioned sealing valve cell, and the aforementioned spool of section position pin joint among the bar is at this connecting rod end tool one locking bolt.
This waterpower lifting unit comprises a sinker and a floating drum, wherein this sinker be provided with a link arm that extends laterally can with the locking bolt lock knot interlock of aforementioned connecting rod, this floating drum tool one extends the swing arm that is provided with downwards, and make this swing arm with pin joint swingably on sinker,
Again, best, the cylindrical shell of this floating drum is to be arch bridge type or arc fan type, and in the swing arm of this floating drum, be provided with several pin decide the hole can arrange in pairs or groups sinker locating stud and the swing arm of adjusting this floating drum is provided with length, with drip height in response to different water tanks.
The utility model separates setting by the floating drum with the waterpower lifting unit with sinker, with uplift and settling capacity that must be bigger, make the running that swings up and down of connecting rod, spool and the braking of valve hole are really, bring up splendid sealing usefulness, more can shorten the length of connecting rod or swing arm, reach and dwindle the purpose of the volume of timber being installed and reducing cost, and utilizing the arch bridge type tube body of this floating drum to make Chang Baoshui level state between buck stay, waterpower lifting unit lifting displacement is stable to be difficult for rocking.
In addition, the coniform flow guiding head of this spool is by being provided with in the same way with current, make that into water is smooth and easy, can not produce impact noise, and the nested designs of the closure of the sealing packing ring of this spool neck and the sealing caulking groove in this valve hole, make this valve hole peripheral can get sealing fully, and can utilize the closing force in auxiliary this spool of water pressure and valve hole, the high pressure sealing usefulness of Da Tejia.
A kind of water tank water cut-off device of high water pressure resistant, has one group of sealing valve cell and one group of waterpower lifting unit that is installed in the water tank, and two between mat one connecting rod link and operate, utilize the lifting displacement of this waterpower lifting unit along with quantity of water in water tank, driving this connecting rod swings up and down to control the valve opening and closing of this sealing valve cell, and then the regulating tank water yield, this waterpower lifting unit comprises one and separates sinker and the floating drum that is provided with, be provided with a link arm that extends laterally in this sinker and can tie interlock with the locking bolt lock of aforementioned connecting rod, this floating drum tool one extends the swing arm that is provided with downwards, and make this swing arm with pin joint swingably on sinker; This sealing valve cell comprises one group of pedestal that is connected with outer water pipe, pipe in one is established in this pedestal inside, and the end of pipe is established a valve hole in this, in this valve hole string establish one with the spool of aforementioned connecting rod interlock, make this valve hole peripheral slightly be cone shape inclined-plane, and be provided with the sealing caulking groove of annular in this sealing inclined-plane, and this spool tool one cone shape flow guiding head, in the sheathed sealing packing ring of the shoulder neck of flow guiding head rear end, and the jack-post periphery at the position, stage casing of this spool offers the current guide groove that several axially is provided with, and the spool end is pinned on the aforementioned connecting rod, make this flow guiding head rest among the pipe and its cone tip part meet to the feed water flow direction, and the sealing packing ring of spool just can nested driving fit on the sealing caulking groove in this valve hole.
The water tank water cut-off device of described high water pressure resistant, it further is included in and in the swing arm of this floating drum several pin is set and decides the hole, the locating stud of the sinker of can arranging in pairs or groups and the swing arm of adjusting this floating drum is provided with length.
The water tank water cut-off device of described high water pressure resistant, wherein the cylindrical shell of this floating drum is to be arch bridge type or arc fan type.
The water tank water cut-off device of described high water pressure resistant, its shell upper end embedding that further is included in this pedestal are tied a cover cap in order to articulating aforementioned connecting rod, and are provided with a drainage hole that is communicated with cavity in this cover cap, can connect an aqueduct with the water water conservancy diversion to toilet seat.
The water tank water cut-off device of described high water pressure resistant, it still is contained in a sheathed filter screen on the water inlet of this sealing valve cell.
Relevant other features of the present utility model and function; after cooperating following graphic being further described; can understand in more detail; but the following stated only is in order to explain preferred embodiment of the present utility model; be not that attempt is done any pro forma restriction to this creation according to this; so, all have in that identical creation spirit is following do relevant any modification of the present utility model or change, all must be included in the category of the utility model intention protection.
Description of drawings
Fig. 1 is the stereogram that member of the present utility model decomposes;
Fig. 2 is the side cut-away view of component composition of the present utility model, and the valve that shows this sealing valve cell in off position;
Fig. 3 is the detailed diagrammatic sketch of the amplification of Fig. 2 A portion;
Fig. 4 is the side cut-away view of component composition of the present utility model, shows that the valve of this sealing valve cell is being opened the water inlet state; And
Fig. 5 is the detailed diagrammatic sketch of the amplification of Fig. 4 B portion, and shows the flow through state in valve hole of current with arrow.
Embodiment
Shown in attached each figure in back, the utility model provides a kind of improved structure of water tank water cut-off device of high water pressure resistant, and it comprises one group of sealing valve cell and one group of waterpower lifting unit of being installed in the water tank, and two between mat one connecting rod link and operate; Wherein:
Pedestal 1, a cover cap 2 and a spool 3 of this sealing valve cell tool one tubing string shape, wherein, be provided with the water inlet and connect one at this pedestal bottom end and manage 12 within extending to pedestal is inner, be provided with screw thread 13 in this water inlet place for the collocation outer water pipe 8 that is spirally connected, and at the sheathed O V-shaped ring 14 of this water inlet periphery, so that make being spirally connected of this pedestal and outer water pipe have the effect of leak-stopping, an also sheathed filter screen 15 on this water inlet in addition, enter within the valve seat in order to the filtering granule foreign, in order to avoid water pipeline blocks; The end of pipe 12 is established a valve hole 16 of running through in this, and makes this valve hole side periphery slightly be cone shape inclined-plane 161, and is provided with the sealing caulking groove 162 of annular in this sealing inclined-plane; In addition, periphery offers osculum 18 below the shell 17 of this pedestal, and ties a cover cap 2 in this shell upper end embedding.
This cover cap 2 is offered an axis hole that runs through 21 at central position, and establish the prominent 22 and one guiding pallet 23 of an attachment ear symmetrically respectively in these axis hole two sides, offer the drainage hole 24 of a connection cavity in addition in the lateral margin of this cover cap, can connect an aqueduct 25 the water water conservancy diversion is arrived toilet seat.This spool 3 tools one cone shape flow guiding head 31, in the sheathed sealing packing ring 32 of the shoulder neck of flow guiding head rear end, and the jack-post periphery at section position offers the current guide groove 33 that several axially is provided with among this spool, and at the spool end one prominent pin 34 is set then; This spool 3 is located among the axis hole 21 of aforementioned valve hole 16 and cover cap, this flow guiding head 31 is rested among the interior pipe 12, and its cone tip part is met to the feed water flow direction, and the sealing packing ring 32 that makes spool just can be nested on the sealing caulking groove 162 in this valve hole, and the prominent pin 34 with the spool end is pinned on the aftermentioned connecting rod, and operates with the connecting rod interlock.
The front end of this connecting rod 4 is articulated on the attachment ear prominent 22 of aforementioned valve seat cover cap, among the bar section position establish a pin-and-hole 44 can with the terminal pin joint of aforementioned spool, establish in addition a guide hole 41 radially in the bar stage casing, this guide hole just can be sheathed on the guiding pallet 23 of aforementioned valve seat cover cap, in addition, establish a locking bolt 42 at this connecting rod end, can be in order to the link arm of interlocking aftermentioned waterpower lifting unit.
And this waterpower lifting unit 5 comprises a sinker 51 and a floating drum 52, and wherein, this sinker is provided with a link arm 53 that extends laterally, and this link arm end is provided with lockhole 531, the locking bolt 42 lock knots of this lockhole of mat and aforementioned connecting rod, and must operate with these connecting rod 4 interlocks; This floating drum 52 slightly is the moulding of arch bridge shape, and extends from cylindrical shell below a swing arm 54 is set, and several pin is set in this swing arm decides hole 541, make this swing arm with pin joint swingably on the locating stud 511 of sinker.But this sinker 51 has high density quality submerged, and the power that presses down of this waterpower lifting unit 5 is provided, this floating drum 52 then can provide one than these sinker 51 down forces bigger uplift, make this lifting unit can lifting displacement with the increase and decrease of rate of water added.
The utility model is via aforementioned component, when outer water pipe 8 water inlets, current flow within the chamber of pedestal 1 by valve hole 16 via the interior pipe 12 of sealing valve cell, again among the osculum 18 inflow water tanks via the pedestal below, the water surface in the water tank is risen gradually, and the floating drum 51 of waterpower lifting unit takes up upwards buoyance lift of this sinker 51, the swing displacement that raises up of the swing arm 54 that makes this sinker and connecting rod 4 interlocks, when arriving full water level, this connecting rod 4 makes the spool 3 of sealing valve cell cover valve hole 16, closes the into usefulness of water to reach; Otherwise when the water surface of water tank descended, this floating drum 52 descended with sinker 51, and connecting rod 4 is linkedly to the lower swing displacement, made the spool 3 of sealing valve cell open valve hole 16 and allowed current enter water tank.And for example shown in Figure 4, during the water surface descends, when this sinker 51 stops to descend displacement on earth, this floating drum 51 is still followed horizontal plane and is reduced and continuation decline displacement, this floating drum will carry over these connecting rod 4 avris directions and put gradually and fall displacement this moment, come to pendulum up to the floating drum edge and close just and stop, so floating drum and sinker or other members all can not produce interference phenomenon, and influence the sealing valve function.
The utility model improves by the structure to the waterpower lifting unit, make its floating drum separate setting with sinker, and bigger uplift and the settling capacity of acquisition, and then swinging up and down of connecting rod 4 operated really, spool 3 and valve hole 16 open and close accurately, and reach best sealing usefulness, and can shorten the length that is provided with of connecting rod 4 or swing arm 54, reach and dwindle the purpose of the volume of timber being installed and reducing cost; Moreover the water buoyancy that this floating drum 52 bears by salient angle 522 under two side direction of arch bridge type tube body makes Chang Baoshui level state between buck stay, is difficult for rocking so displacement is stable between its buck stay.And the waterpower lifting unit also can decide the pin of hole 541 and the locating stud 511 of sinker and close the position by changing pin in this floating drum swing arm, and the swing arm 54 of adjusting this floating drum is provided with length, with in response to the fill line OL of different water tanks just.Again, the assembling between this waterpower lifting unit and the aforementioned sealing valve cell, the ornaments angle in the time of then can be and adjust relative installation by the locking bolt 42 lock knots of the link arm 53 of this sinker and connecting rod.
In addition,, make that into water is smooth and easy, can not produce impact noise by being provided with of this spool with current coniform flow guiding head 31 in the same way; And utilizing this spool to close with hydraulic pressure is provided with in the same way, and in the sealing packing ring 32 of this spool neck and the nested designs of the closure of the sealing caulking groove 162 in this valve hole, when making this spool and this valve hole closed, this sealing packing ring 32 can seal valve hole 16 peripheries fully, and by hydraulic action power the closure in this spool of packing and this valve hole more, make the not high hydraulic pressure of reason and leaking of this valve hole, so the special good high pressure sealing usefulness of the utility model tool.
Again, the drainage hole 24 of this cover cap lateral margin of aforementioned sealing valve cell is the top that is set at the fill line OL of water tank, aperture, the outside connects an aqueduct 25 with the last chow ring flushing pipe (be not shown in drawing) of water water conservancy diversion to toilet, make during the water tank water intake, can be via this drainage hole 24, aqueduct 25 guided portion water flow to the last chow ring flushing pipe of toilet, so that the secondary cleaning effect behind the closet flushing to be provided; On the other hand, this design also can be used as the sealing efficacy monitoring of valve; For example, when water volume in water tank reaches fill line OL, this spool and this valve hole promptly answer closure to stop into water, so the drainage hole 24 under fill line OL can't draw water, make the anhydrous again outflow of last chow ring flushing pipe of toilet, but when continuing water inlet if the valve sealing lost efficacy, then this drainage hole 24 last chow ring flushing pipe of will CD part water flowing to toilet enters among the toilet, can avoid water tank to overflow in view of the above and cause general stream everywhere, and can allow the user can know the sealing defective valve by this via visual, so that keep in repair.

Claims (5)

1, a kind of water tank water cut-off device of high water pressure resistant, has one group of sealing valve cell and one group of waterpower lifting unit that is installed in the water tank, and two between mat one connecting rod link and operate, utilize the lifting displacement of this waterpower lifting unit along with quantity of water in water tank, driving this connecting rod swings up and down to control the valve opening and closing of this sealing valve cell, it is characterized in that, this waterpower lifting unit comprises one and separates sinker and the floating drum that is provided with, be provided with a link arm that extends laterally in this sinker and can tie interlock with the locking bolt lock of aforementioned connecting rod, this floating drum tool one extends the swing arm that is provided with downwards, and make this swing arm with pin joint swingably on sinker; This sealing valve cell comprises one group of pedestal that is connected with outer water pipe, pipe in one is established in this pedestal inside, and the end of pipe is established a valve hole in this, in this valve hole string establish one with the spool of aforementioned connecting rod interlock, make this valve hole peripheral slightly be cone shape inclined-plane, and be provided with the sealing caulking groove of annular in this sealing inclined-plane, and this spool tool one cone shape flow guiding head, in the sheathed sealing packing ring of the shoulder neck of flow guiding head rear end, and the jack-post periphery at the position, stage casing of this spool offers the current guide groove of axial setting, and the spool end is pinned on the aforementioned connecting rod, make this flow guiding head rest among the pipe and its cone tip part meet to the feed water flow direction, and the sealing packing ring of spool just can nested driving fit on the sealing caulking groove in this valve hole.
2, the water tank water cut-off device of high water pressure resistant as claimed in claim 1 is characterized in that, the swing arm that further is included in this floating drum is provided with pin and decides the hole, the locating stud of the sinker of can arranging in pairs or groups and the swing arm of adjusting this floating drum is provided with length.
3, the water tank water cut-off device of high water pressure resistant as claimed in claim 1 is characterized in that, the cylindrical shell of described this floating drum is to be arch bridge type or arc fan type.
4, the water tank water cut-off device of high water pressure resistant as claimed in claim 1, it is characterized in that, the shell upper end embedding that further is included in this pedestal is tied a cover cap in order to articulating aforementioned connecting rod, and is provided with a drainage hole that is communicated with cavity in this cover cap, can connect an aqueduct with the water water conservancy diversion to toilet seat.
5, the water tank water cut-off device of high water pressure resistant as claimed in claim 1 is characterized in that, it still is contained in a sheathed filter screen on the water inlet of this sealing valve cell.
CN 03208143 2003-08-15 2003-08-15 Water tank sealing up device of high water pressure resistance Expired - Fee Related CN2639625Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 03208143 CN2639625Y (en) 2003-08-15 2003-08-15 Water tank sealing up device of high water pressure resistance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 03208143 CN2639625Y (en) 2003-08-15 2003-08-15 Water tank sealing up device of high water pressure resistance

Publications (1)

Publication Number Publication Date
CN2639625Y true CN2639625Y (en) 2004-09-08

Family

ID=34288581

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 03208143 Expired - Fee Related CN2639625Y (en) 2003-08-15 2003-08-15 Water tank sealing up device of high water pressure resistance

Country Status (1)

Country Link
CN (1) CN2639625Y (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012019346A1 (en) * 2010-08-12 2012-02-16 厦门立业卫浴工业有限公司 Float pail rotating device for lateral water inlet valve
CN103244744A (en) * 2012-02-02 2013-08-14 林文斌 Water tank inlet valve with adjustable water stopping pressure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012019346A1 (en) * 2010-08-12 2012-02-16 厦门立业卫浴工业有限公司 Float pail rotating device for lateral water inlet valve
CN103244744A (en) * 2012-02-02 2013-08-14 林文斌 Water tank inlet valve with adjustable water stopping pressure
CN103244744B (en) * 2012-02-02 2015-06-03 林文斌 Water tank inlet valve with adjustable water stopping pressure

Similar Documents

Publication Publication Date Title
CN102493533B (en) Canister flush valve
CN2639625Y (en) Water tank sealing up device of high water pressure resistance
CN110106948A (en) A kind of anti-siphonic closet tank intake valve of water
CN201706055U (en) Automatic water control valve and water tank using automatic water control valve
CN201901921U (en) Water replenishing regulator for drain valve
CN207582608U (en) A kind of overflow pipe structure for accelerating row's speed
CN110005824A (en) A kind of pilot operated ball float valve of zipper transmission
CN201306455Y (en) Water control valve
CN2578412Y (en) Water saver on pressure cistern
CN2321990Y (en) Water inlet, outlet bidirectional valve
CN2224871Y (en) Water-saving valve of cistern
CN218667764U (en) Water inlet device of flush toilet
CN213329278U (en) Flushing water inlet device for sink type toilet water tank
CN2454423Y (en) Processing-water siphon water-flushing device
CN2174509Y (en) Siphon flushing cistern
CN117127692A (en) Single-valve double-control flushing and supplementing integrated dual-purpose water inlet device
CN201416670Y (en) Flap valve
CN2687190Y (en) Water floating self-seal back-overflow-proof floor drain
CN217974648U (en) Toilet with auxiliary flushing function
CN2309473Y (en) Float-type differential water tank self-controlling valve
CN2223315Y (en) Contrallable discharge water-saving siphon type sanitary water flushing device
CN201475478U (en) Water level control valve
CN201099899Y (en) Flushing device for closet
CN200952183Y (en) Magnetic seal type water closet
CN2260828Y (en) Self-pressure straight-drop type sealed draw-off valve

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee