CN101545278A - Flushing closestool - Google Patents
Flushing closestool Download PDFInfo
- Publication number
- CN101545278A CN101545278A CN200810087450A CN200810087450A CN101545278A CN 101545278 A CN101545278 A CN 101545278A CN 200810087450 A CN200810087450 A CN 200810087450A CN 200810087450 A CN200810087450 A CN 200810087450A CN 101545278 A CN101545278 A CN 101545278A
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- flushing
- water
- circle
- spray
- draining valve
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Abstract
The invention provides a flushing closetool capable of independently controlling water supply for a jet hole and water supply for a ring flushing part, which comprises a toilet part (2) of which the bottom is provided with the jet hole (6) and the upper part is provided with the ring flushing part (4), a flushing water tank (3) which supplies water for the jet hole and the ring flushing part, a jetting flushing water inlet (8) which is arranged in the flushing water tank (3), a jetting drain valve (11) which can be mounted, a jetting water guide passage (13) which guides the flushing water after the flushing water passes through the jetting drain valve to the jet hole, a ring flushing water inlet (9) which is positioned in the flushing water tank supplying water for the jet hole and the ring flushing part, and supplies the flushing water for the ring flushing part, a ring flushing drain valve (10) which is arranged on the ring flushing water inlet, and a ring flushing water guide passage (12) which guides the flushing water after the flushing water passes through the ring flushing drain valve to the ring flushing part.
Description
Technical field
The present invention relates to a kind of flushing toilet seat, particularly supply with the flushing toilet seat of flushing water from the flushing water water tank.
Background technology
To be stored in from the flushing water that running water pipe is supplied with in the flushing water water tank, and come the water tank type flushing toilet seat of flushing toilet bowl section nowadays to be widely used by the flushing water that discharges in this water tank.Coming by discharge flushing water from urinal section top circle rinse part and spray-hole the flushing toilet seat of this form of flushing toilet bowl section, is the flushing water in the flushing water water tank to be branched off into the circle rinse part and spray-hole is supplied with.Promptly by flushing operation, open the draining valve that is arranged on the flushing water water tank bottom, flushing water is flowed in the flushing toilet seat body in the formed water supply chamber.This water supply chamber washes the water guide path and sprays the water guide path with circle and is communicated with, and flushing water affluent-dividing circle flushing water guide path that the inflow water supply chamber is interior and injection water guide path enclose flushing water supply and injection and supply water.
Yet in this flushing toilet seat, owing to supply with the water guide path more complicated of flushing water, the flow path resistance of water guide path becomes greatly.Therefore, be necessary to make in advance the water level that is stored in the flushing water in the flushing water water tank enough high, also can be with the sufficient flow of water from circle rinse part and spray-hole discharging flushing water even in the water guide path, produce the pressure loss.Therefore, in the flushing toilet seat of this class, the flushing toilet seat that realize becoming so-called low level cistern " Low Tank " (also can be called low profile shape " Low Silhouette ") is unusual difficulty.And by convention, water tank end face (disregarding tank lid) just is called the flushing toilet seat of low level cistern (low profile shape) to the flushing toilet seat of height below about 200mm of circle rinse part end face.
Before this, also have and possess the flushing toilet seat that water supply is constructed, this water supply structure installation is useful on the injection of past spray-hole water supply and uses draining valve with draining valve with for washing to the circle that encloses rinse part water supply.In this flushing toilet seat, be with draining valve the water guide path to be simplified, to reduce the liquid resistance of water guide path by being provided with respectively to spray with draining valve and circle flushing.But on the one hand, owing in same flushing water water tank, be provided with 2 draining valves, so disturb each other to the water supply of spray-hole with to the water supply meeting of circle rinse part, make and to set to the output of spray-hole in the proper ratio and be difficult, also be difficult to the problem of effectively washing with a small amount of flushing water with regard to existence to the output of circle rinse part.On the other hand, owing to the draining valve of circle rinse part and the draining valve that sprays usefulness will be configured at least than circle rinse part apopore also on the high position, so there is design low flush tank (low profile shape) flushing toilet seat hard problem.
Summary of the invention
In sum, the object of the present invention is to provide a kind of flushing water of supplying with from the flushing water water tank can controlled independently towards the output of spray-hole and the flushing toilet seat that just can effectively wash towards the output of circle rinse part, with a spot of flushing water.
The present invention also aims to provide a kind of flushing toilet seat that can realize having the low level cistern (low profile shape) of flushing water water tank easily.
Being characterized as of flushing toilet seat of the present invention comprises:
Urinal portion is formed with the spray-hole of discharging flushing water in its bottom;
The wash water water tank stores the flushing water that supplies water from spray-hole and circle rinse part;
Spray and use the flushing water entrance, be arranged in the wash water water tank, be positioned at concordant with the spray-hole height or be higher than the spray-hole height, and be lower than the position of circle rinse part apical side height, connect wash water water tank and injection water guide path;
Spray and use draining valve, be arranged on this wash water water tank, be positioned at concordant with the spray-hole height or be higher than the spray-hole height but be lower than the position of enclosing rinse part, carry out flushing water towards supply and the sealing of spray-hole;
Spray and to use the water guide path, will guide to spray-hole by the flushing water of this injection after with draining valve;
Enclose rinse part, be arranged on the top of urinal section, make flushing water flow into urinal section;
The flushing water entrance use in circle flushing, is arranged in the wash water water tank, is positioned at concordant with circle rinse part end face or is higher than the position of circle rinse part end face, connects wash water water tank and circle and washes and uses the water guide path;
Draining valve is used in the circle flushing, is arranged on this circle flushing and uses the flushing water porch, carries out flushing water towards supply and the sealing of circle rinse part;
Circle flushing water guide path will guide to above-mentioned circle rinse part with the flushing water behind the draining valve by this circle flushing.
In the present invention who constitutes like this, preferably comprise:
The flushing water of discharging from spray-hole is to supply with the water guide path with draining valve, injection with the injection of flushing water inlet via being installed in injection from the wash water water tank; The flushing water of discharging from the circle rinse part is to supply with the water guide path with draining valve, circle flushing with the circle flushing of flushing water entrance via the circle flushing from the wash water water tank;
Can make things convenient for and set independently again from the draining water yield of spray-hole and circle rinse part and the opportunity of spray-hole and the supply of circle rinse part flushing water and sealing etc.;
The circle flushing is configured in concordant with draining valve or is higher than the circle flushing of enclosing the rinse part apical side height uses the flushing water porch;
Injection is configured in draining valve and is higher than the spray-hole height, and the flushing water porch is used in the injection that is lower than circle rinse part height;
Can will be positioned at the space of circle rinse part top and circle rinse part end face below as whole wash water water tank.Therefore, can easily realize the flushing toilet seat of low level cistern (low profile shape).
Can provide the wash water water tank required water by enough feed water valves, and the adjusting of control wash water water tank middle water level line.
Wash water water tank and circle flushing are made of ceramic one with water guide path, circle rinse part and circle rinse part water guide path with flushing water entrance, injection with urinal section, injection with the flushing water entrance.
Can cheapness realize easily again with the wash water water tank being that circle rinse part and jet supply water.
Be used for installing ring flushing with the circle flushing of draining valve with the flushing water inlet and spray with flushing water inlet split ground formation, so can after flushing has been installed the part that should install with flushing water water tank and injection wherein with the flushing water inlet, use draining valve with the installing ring flushing of flushing water entrance, thereby improve the assembleability of flushing toilet seat greatly in the circle flushing.
Description of drawings
Fig. 1 is the vertical view of flushing toilet seat of the present invention.
The side sectional view that Fig. 2 (a) cuts open for the A-A line in Fig. 1.
The side sectional view that Fig. 2 (b) cuts open for the B-B line in Fig. 1.
Circle flushing when Fig. 3 carries out flushing operation for expression is with draining valve and spray the time plot of opening with draining valve.
Fig. 4 is the front section view of flushing toilet seat of the present invention.
The explanation of Reference numeral
1: flushing toilet seat
2: urinal portion
3: the wash water water tank
4: the circle rinse part
5: the draining valve operating mechanism
5a: operating handle
5b: long handle
6: spray-hole
7: trap
7a: trap top
8: injection enters the mouth with flushing water
9: the circle flushing enters the mouth with flushing water
10: circle flushing draining valve
10a: circle flushing draining valve pearl chain
10b: circle flushing draining valve pearl chain action bars
10c: circle flushing draining valve overflow pipe
11: spray and use draining valve
11a: spray with draining valve pearl chain
11b: spray with draining valve pearl chain action bars
11c: spray and use the draining valve overflow pipe
11d: spray with draining valve pearl chain action bars balancing weight
12: circle flushing water guide path
13: spray and use the water guide path
The specific embodiment
Below, the flushing toilet seat to embodiment of the present invention describes with reference to the accompanying drawings.
At first, referring to figs. 1 through Fig. 3 the flushing toilet seat of the present invention's the 1st embodiment is described.Fig. 1 is the vertical view of the flushing toilet seat of expression the present invention the 1st embodiment.The side sectional view that Fig. 2 (a) cuts open along the A-A line among Fig. 1 for expression, the side sectional view that Fig. 2 (b) cuts open along the B-B line among Fig. 1 for expression.
As shown in Figures 1 and 2, the flushing toilet seat 1 of the present invention's the 1st embodiment has: urinal portion 2; Be formed on these urinal portion 2 upper ends circle rinse part 4 on every side; Be formed on the spray-hole 6 on urinal portion 2 bottoms; And be communicated with, be connected trap 7 on the drainage piping with the bottom of urinal portion 2.In addition, flushing toilet seat 1 has: wash water water tank 3 stores the flushing water that supplies water from spray-hole and circle rinse part; The circle flushing of supplying water to circle rinse part 4 enters the mouth 9 with flushing water; The injection of supplying water to spray-hole 6 enters the mouth 8 with flushing water; Being arranged on the circle flushing washes with draining valve 10 with the circle on the flushing water inlet 9; And be arranged on injection with the injection on the flushing water inlet 8 with draining valve 11.In addition, flushing toilet seat 1 has: the circle flushing water guide path 12 that the water in the wash water water tank 3 is guided to circle rinse part 4; Water in the wash water water tank 3 is guided to the injection water guide path 13 of spray-hole 6.In addition, in the present embodiment, urinal portion 2, circle rinse part 4, spray-hole 6, trap 7, wash water water tank 3, spray with flushing water inlet 8, circle flushing with flushing water inlet 9, circle flushing with water guide path 12 and injection with water guide path 13 by forming process of ceramics.
Circle rinse part 4 is that the water passage as the canopy shape forms around the upper end open section of urinal section 2.Circle rinse part 4 constitutes and can make the flushing water the supplied with water passage by the canopy shape along the wall of urinal section 2 while the bottom of washing this wall and flow into the urinal section 2 of below.In addition, so-called circle rinse part is as present embodiment in this manual, finger can produce the water route that whirlpool comes canopy shape that urinal portion is washed in urinal portion, or the diapire face that refers to be formed on the case shape water flowing path around the urinal portion is provided with the so-called box-shaped circle flushing in most jettings hole etc. and flows down the various structures that flushing water comes flushing toilet bowl portion from the top.In addition, circle rinse part end face refers to enclose the end face of rinse part upside, is water level in the expression urinal section face that flushing water will overflow from urinal section when rising to it highly L1 is above.
Trap 7 constitutes with the bottom of urinal section 2 and is communicated with, and extends towards the rear from urinal section 2.Trap 7 extends towards oblique upper from the bottom of urinal portion 2, and the trap top 7a of the height L2 by becoming trap 7 peaks extends towards vertical lower.The outlet of trap 7 is connected and is located on the ground discharge pipe line (not shown).
Wash water water tank 3 is formed on the rear of flushing toilet seat 1, all is communicated with flushing water entrance 8 with flushing water entrance 9 and injection with the circle flushing.
Circle flushing with flushing water entrance 9 be its bottom surface be configured in the concordant or higher position of the canopy shape face that encloses rinse part 4 on.Be provided with the circle flushing with draining valve 10 in circle flushing with flushing water 9 places that enter the mouth.Be formed with the circle flushing with water guide path 12 in circle flushing with the downside of draining valve 10, flow into circle flushing water guide path 12 with the flushing water behind the draining valve 10 by the circle flushing.The circle flushing forms from the bottom that circle washes with flushing water entrance 9 with water guide path 12 and forwards extends into approximate horizontal towards urinal section 2, and about department enclosure was branched off into behind the edge of urinal section 2, joining in the edge front attachment of urinal section 2 was communicated with again.
Spraying with flushing water entrance 8 is that its bottom surface is configured in concordant or higher with spray-hole 6 but is lower than on the position of enclosing rinse part 4 apical side heights.Spray with draining valve 11 and be arranged on injection with flushing water 8 places that enter the mouth, this sprays with draining valve 11 uses draining valve 10 bigger than the circle flushing.Be formed with injection with water guide path 13 at the downside that sprays with draining valve 11, discharge from spray-hole 6.Spray with water guide path 13 and form from spraying the forward tiltedly below extension of bottom with draining valve 11, and oppositely return to be communicated with the spray-hole 6 of opening towards the rear.
In addition, be rotatably mounted with for the user in the upper side of wash water water tank 3 and carry out the operating handle 5a that flushing operation is used.Top in wash water water tank 3 is rotated in the mode of traversing wash water water tank 3 long handle 5b is installed freely.
In addition, be connected with respectively the circle flushing with draining valve 10 with on spraying with draining valve 11 with draining valve pearl chain 10a, injection draining valve pearl chain 11a in circle flushing.When the user of flushing toilet seat 1 carries out flushing operation, the circle flushing is washed with draining valve pearl chain action bars 10b with draining valve pearl chain 11a by the circle in the draining valve operating mechanism 5 with draining valve pearl chain 10a, injection and is sprayed with drawing on the draining valve pearl chain action bars 11b, and the circle flushing is opened respectively with draining valve 11 with draining valve 10 and injection.
Operating handle 5a, long handle 5b, circle flushing constitute draining valve operating mechanism 5 with draining valve pearl chain action bars 10b and injection with draining valve pearl chain action bars 11b.
In addition, circle washes with draining valve 10 and sprays with draining valve 11 and is equipped with circle flushing draining valve overflow pipe 10c, sprays with draining valve overflow pipe 11c.Therefore, it is also high so that when surpassing the situation of draining valve bleed off pipe height, the flushing water in the water tank can be discharged to urinal portion 2 with draining valve overflow pipe 10c, injection with draining valve overflow pipe 11c by the circle flushing that water level in faults such as feed water valve cause wash water water tank 3 becomes designated water level than appointment.
Then, with reference to figure 1, Fig. 2, Fig. 3 the effect of the flushing toilet seat 1 of first embodiment of the invention is described.Fig. 3 represents that when the user of flushing toilet seat 1 carries out flushing operation the circle flushing is opened the curve map on opportunity with draining valve 10 and injection with draining valve 11.
At first, do not carrying out under the state of flushing operation, shown in Fig. 2 (a), Fig. 2 (b), in the urinal portion 2 of flushing toilet seat 1, flushing water is stored into the height of the trap top 7a of trap 7.In addition, flushing water is stored into the appointment water level in wash water water tank 3.Secondly, when the user of flushing toilet seat 1 carries out flushing operation, the circle flushing that is bound up on each draining valve with draining valve pearl chain 10a, spray with draining valve pearl chain 11a and washed with draining valve pearl chain action bars 10b and injection with drawing on the draining valve pearl chain action bars 11b by the circle in the draining valve operating mechanism 5 respectively, thereby circle flushing with draining valve 10 and injection with draining valve 11 also by on draw, each draining valve is opened.At this, because the circle flushing is used draining valve pearl chain action bars 10b and is sprayed with having a setting angle between the draining valve pearl chain action bars 11b, when draining valve operating mechanism 5 is operated, the circle flushing is earlier crossed critical stroke than spraying with draining valve pearl chain action bars 11b with draining valve pearl chain action bars 10b, make circle wash with draining valve pearl chain 10a quilt prior to spraying with drawing on the draining valve pearl chain 11a, therefore, at first be that the circle flushing is opened with draining valve 10, spray and open after a while with draining valve 11.
At first, when the circle flushing is opened with draining valve 10, flushing water flows into circle from the flushing of wash water water tank 3 longitude circles with flushing water entrance 9 and washes with water guide path 12, discharge from each jetting hole towards inclination of circle rinse part 4 respectively, the flushing water edge of discharging circle rinse part 4 limits in the 2 interior rotations of urinal section, flows into the bottom of urinal section 2 in flushing toilet bowl section 2 walls.Utilization comes from and is used to from the flowing of the flushing water that encloses rinse part 4, and makes the dirt that swims in the ponding of urinal portion 2 etc. concentrate on the central portion of urinal portion 2.
When the injection of opening slightly slowly with draining valve 10 than the circle flushing was opened with draining valve 11, the flushing water in the wash water water tank 3 flowed into flushing water entrance 8 through injection and sprays with water guide path 13, from spray-hole 6 discharges.When flushing water flows into urinal portions 2 from circle rinse part 4 and spray-hole 6, the water levels in the urinal portion 2 rise, and the trap top 7a that flushing water is crossed trap 7 discharges towards discharge pipe line (not shown) direction.When being full of flushing water in mobile trap 7 by this, the flushing water in the urinal section 2 is inhaled toward trap 7 under siphonage.Swim dirt and the flushing water that sink to the dirt of urinal portion 2 bottoms so down and concentrate on urinal portion 2 central portions are attracted together, are discharged to discharge pipe line (not shown) by trap 7.
And the flushing water in the wash water water tank 3 carries out draining with draining valve 10 and the injection of and then opening after a while with draining valve 11 by the circle flushing of opening earlier, waterline in wash water water tank 3 is reduced to circle flushing when also using up with the flushing water in the water guide path 12 with near the position draining valve 10 and circle flushing, encloses to wash and closes under action of gravitation with regard to the loss of buoyance effect with draining valve 10.Then, waterline in wash water water tank 3 is reduced to and sprays with near the position draining valve 11 and spray when also using up with the flushing water in the water guide path 13, and injection is closed under with the effect of the injection on the draining valve pearl chain action bars 11b with draining valve pearl chain action bars balancing weight 11d in self gravitation and injection with regard to the loss of buoyance effect with draining valve 11.
After siphonage finished, the flushing water from spray-hole 6 and circle rinse part 4 inflow urinal sections 2 rose the water levels in the urinal section 2, reverts to the front initial stage water level of operation beginning.In addition, new flushing water supplies to wash water water tank 3 via feed water valve from running water pipe respectively, and feed water valve is closed when the water level in the wash water water tank 3 arrives the appointment water level, and flushing action once finishes.
Flushing toilet seat 1 according to first embodiment of the invention, since circle flushing with draining valve 10 and spray with the float on the draining valve 11, balancing weight and circle flushing with draining valve pearl chain 10a, to spray with adjustings parts such as draining valve pearl chain 11a all be independently setting, so can free setting from enclose rinse part 4 water yield of discharging and the water yield of discharging from spray-hole 6.Therefore, the opportunity of opening, the unit interval that can freely set each draining valve are interior from the flushing water flow of circle rinse part 4 and spray-hole 6 dischargings and the duration of flushing water discharging, so that can cooperate the feature of flushing toilet seat 1 body to carry out more effective flushing, do not wash efficiently and do not waste water yield ground.
Claims (3)
1. supply with the flushing toilet seat of flushing water from the flushing water water tank for one kind, comprising:
The wash water water tank,
The water of flushing usefulness is provided for spray-hole;
The water of flushing usefulness is provided for the circle rinse part;
Urinal portion
Be provided with the spray-hole of discharging flushing water in its bottom;
Spray
Be the wash water water tank of spray-hole and the water supply of circle rinse part, the flushing water that storage is supplied water from above-mentioned spray-hole;
Spray and use the flushing water entrance, being arranged in is the wash water water tank of spray-hole and the water supply of circle rinse part, connects wash water water tank and injection water guide path;
Spray and use draining valve, be arranged on this injection and use the flushing water porch, carry out flushing water towards supply and the sealing of above-mentioned spray-hole;
Spray and to use the water guide path, will guide to above-mentioned spray-hole by the flushing water of this injection after with draining valve;
The circle flushing
The circle rinse part is arranged on the top of above-mentioned urinal portion, makes flushing water flow into above-mentioned urinal portion;
The circle flushing enters the mouth with flushing water, and being positioned at is the wash water water tank that spray-hole and circle rinse part supply water, and connects wash water water tank and circle flushing water guide path;
Draining valve is used in the circle flushing, is arranged on this circle flushing and uses the flushing water porch, carries out flushing water towards supply and the sealing of above-mentioned circle rinse part;
Circle flushing water guide path will guide to above-mentioned circle rinse part with the flushing water behind the draining valve by this circle flushing.
2. flushing toilet seat as claimed in claim 1, it is characterized by, above-mentioned circle flushing is configured in concordant with draining valve or is higher than on the apical side height position of above-mentioned circle rinse part, and above-mentioned injection is configured in the apical side height that is lower than above-mentioned circle rinse part with draining valve and is higher than on the position of above-mentioned spray-hole.
3. flushing toilet seat as described above, it is characterized by, the flushing of above-mentioned wash water water tank and above-mentioned circle with the flushing water inlet with above-mentioned urinal portion, spray with flushing water inlet, above-mentioned injection and constitute by ceramic one with water guide path, above-mentioned circle rinse part and above-mentioned circle rinse part water guide path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810087450A CN101545278A (en) | 2008-03-28 | 2008-03-28 | Flushing closestool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810087450A CN101545278A (en) | 2008-03-28 | 2008-03-28 | Flushing closestool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101545278A true CN101545278A (en) | 2009-09-30 |
Family
ID=41192633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810087450A Pending CN101545278A (en) | 2008-03-28 | 2008-03-28 | Flushing closestool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101545278A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102943520A (en) * | 2012-10-23 | 2013-02-27 | 佛山东鹏洁具股份有限公司 | Closestool |
| CN104514268A (en) * | 2015-01-13 | 2015-04-15 | 包宇震 | Foldable closestool |
| CN104912163A (en) * | 2015-01-21 | 2015-09-16 | 厦门优胜卫厨科技有限公司 | Drain valve for low-level water tank flushing |
| CN108005188A (en) * | 2017-12-14 | 2018-05-08 | 九牧厨卫股份有限公司 | A kind of low flush tank toilet seat |
| WO2022174583A1 (en) * | 2021-02-22 | 2022-08-25 | 九牧厨卫股份有限公司 | Water draining apparatus, toilet, and method for flushing toilet |
| WO2022174584A1 (en) * | 2021-02-22 | 2022-08-25 | 九牧厨卫股份有限公司 | Toilet and water discharging assembly |
-
2008
- 2008-03-28 CN CN200810087450A patent/CN101545278A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102943520A (en) * | 2012-10-23 | 2013-02-27 | 佛山东鹏洁具股份有限公司 | Closestool |
| CN102943520B (en) * | 2012-10-23 | 2014-05-07 | 佛山东鹏洁具股份有限公司 | Closestool |
| CN104514268A (en) * | 2015-01-13 | 2015-04-15 | 包宇震 | Foldable closestool |
| CN104912163A (en) * | 2015-01-21 | 2015-09-16 | 厦门优胜卫厨科技有限公司 | Drain valve for low-level water tank flushing |
| CN104912163B (en) * | 2015-01-21 | 2016-08-17 | 厦门优胜卫厨科技有限公司 | A kind of lower water box washes away drain valve |
| US10246863B2 (en) | 2015-01-21 | 2019-04-02 | Xiamen Axent Corporation Limited | Drain valve for low-level water tank flushing |
| CN108005188A (en) * | 2017-12-14 | 2018-05-08 | 九牧厨卫股份有限公司 | A kind of low flush tank toilet seat |
| CN108005188B (en) * | 2017-12-14 | 2023-11-07 | 九牧厨卫股份有限公司 | Low water tank toilet bowl |
| WO2022174583A1 (en) * | 2021-02-22 | 2022-08-25 | 九牧厨卫股份有限公司 | Water draining apparatus, toilet, and method for flushing toilet |
| WO2022174584A1 (en) * | 2021-02-22 | 2022-08-25 | 九牧厨卫股份有限公司 | Toilet and water discharging assembly |
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Open date: 20090930 |