CN103806515B - A kind of hydraulic-driven draining valve of the double water yield - Google Patents
A kind of hydraulic-driven draining valve of the double water yield Download PDFInfo
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- CN103806515B CN103806515B CN201410021392.XA CN201410021392A CN103806515B CN 103806515 B CN103806515 B CN 103806515B CN 201410021392 A CN201410021392 A CN 201410021392A CN 103806515 B CN103806515 B CN 103806515B
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Abstract
The invention discloses a kind of hydraulic-driven draining valve of the double water yield, it comprises valve body, start assembly, fluid pressure drive device, Quan Pai mechanism, Ban Pai mechanism and locating part.Valve body is provided with outfall.Fluid pressure drive device comprises piston, and piston drive connects start assembly; Locating part is movable between the first position and the second position.During half draining, locating part is positioned at primary importance to make the active strokes of piston for short stroke, and piston activity drives start assembly to open outfall and Ban Pai mechanism matches with start assembly and realizes half draining; During full draining, locating part is positioned at the second place to make the active strokes of piston for Long travel, and piston activity drives start assembly to open outfall and Quan Pai mechanism matches with start assembly and realizes full draining.By the stroke of the position control piston of locating part to reach the object of the double water yield, only need a fluid pressure drive device, not only structure is simple, reliably and cost is low; Meanwhile, this draining valve is similar to normal discharge valve size, and compatibility is strong.
Description
Technical field
The present invention relates to a kind of hydraulic-driven draining valve of the double water yield.
Background technology
Existing hydraulic-driven drain valve structure, it adopts two hydraulic cylinders for realizing full draining and half draining, that is, adopt two pistons to realize the different displacement of full row and semi-row, make complex structure, and it is large to take up room, and compatibility is poor.As Chinese invention patent notification number be CN101395419B, patent name is the patent of " fluid pressure drive device ".
Summary of the invention
The invention provides a kind of hydraulic-driven draining valve of the double water yield, which overcome the existing deficiency of background technology.The technical scheme adopted that the present invention solves its technical problem is: a kind of hydraulic-driven draining valve of the double water yield, is characterized in that: it comprises:
Valve body (100), it is provided with outfall (110);
Can open or close the start assembly of outfall (110), its activity is installed in valve body (100);
Fluid pressure drive device, its attaching and valve body (100) attaching, it comprises piston, and piston drive connects start assembly;
Quan Pai mechanism and Ban Pai mechanism, the two is all installed in valve body (100);
Locating part (200), it is movable between the first position and the second position;
During half draining, locating part (200) is positioned at primary importance to make the active strokes of piston for short stroke, and piston activity drives start assembly to open outfall (110) and Ban Pai mechanism matches with start assembly and realizes half draining;
During full draining, locating part (200) is positioned at the second place to make the active strokes of piston for Long travel, and piston activity drives start assembly to open outfall (110) and Quan Pai mechanism matches with start assembly and realizes full draining.
Among one preferred embodiment: the stroke of circumferential position to piston that described locating part (200) is arranged at piston limits.
Among one preferred embodiment: described fluid pressure drive device also comprises the cylinder body (300) being provided with water inlet (340), cylinder body (300) coordinates with valve body (100) phase attaching and forms a movable chamber (310) between valve body (100) and cylinder body (300), locating part (200) activity is installed in movable chamber (310), piston seal activity is installed in cylinder body (300) and it stretches in valve body (100), cylinder body (300) is separated into the first chamber (320) and the second chamber (330) by piston, water inlet (340) and the first chamber (320) are connected, when locating part (200) is positioned at primary importance, it stretches into the second chamber (330), when locating part (200) is positioned at the second place, it leaves the second chamber (330).
Among one preferred embodiment: described piston comprises the bar portion (360) of sealing (350) and affixed sealing, sealing (350) seals mutually with cylinder body (300) and is slidably matched, when locating part (200) is positioned at primary importance, locating part (200) is positioned at the below of sealing (350), and bar portion (360) are stretched in valve body (100); Separately be provided with the 4th elastic component (370), it be positioned at cylinder body (300) and contact between cylinder body (300) and sealing (350).
Among one preferred embodiment: also comprise the first elastic component (410), it be positioned at movable chamber (310) and contact between movable chamber (310) chamber wall and locating part (200).
Among one preferred embodiment: also comprise for for people manual operating parts, it is in transmission connection locating part (200), and operating parts activity drives locating part (200) movable between the first position and the second position.
Among one preferred embodiment: described operating parts is metallic cable (400), metallic cable (400) one end stretch into movable chamber (310) and with locating part (200) Joint, metallic cable (400) other end is positioned at movable chamber (310) outward.
Among one preferred embodiment: also comprise block (510) and the second elastic component (520), block (510) is provided with blocking arm (511), block (510) activity is installed in second chamber (330) of cylinder body, second elastic component (520) contact is between cylinder body (300) and block (510), when locating part (200) is positioned at primary importance, blocking arm (511) is positioned at the below of locating part (200) and the second elastic component (520) is in compressive state, piston does not contact with block (510), when locating part (200) is positioned at the second place, blocking arm (511) contact locating part (200) is to make locating part (200) remain on the second place and piston activity can drive block (510) movable.
Among one preferred embodiment: described operating parts is button (420), its activity is installed in valve body (100) or cylinder body (300), this button (420) is provided with and drives inclined-plane (421), described locating part (200) is provided with can with the cooperation inclined-plane (210) driving inclined-plane (421) phase transmission to coordinate, and pressing keys (420) drives and drives inclined-plane (421) to coordinate to make locating part (200) move to the second place from primary importance with coordinating inclined-plane (210) phase transmission.
Among one preferred embodiment: described valve body (100) or cylinder body (300) are provided with the assembly cavity (120) be connected with movable chamber (310), described button (420) activity is installed in assembly cavity (120), separately be provided with the 3rd elastic component (130), the 3rd elastic component (130) be positioned at assembly cavity (120) and contact between button (420) and the chamber wall of assembly cavity (120).
Among one preferred embodiment: described start assembly comprises starting bar (610) and carry arm (620), one end of carry arm (620) connects starting bar (610), the other end of carry arm (620) coordinates with the transmission of piston phase, and starting bar (610) is provided with the first grab (611) and the second grab (612); Described Ban Pai mechanism is provided with first barb (651) that can coordinate with the first grab (611) phase hook card, and described Quan Pai mechanism is provided with second barb (661) that can coordinate with the second grab (612) phase hook card.
Among one preferred embodiment: described Ban Pai mechanism comprises partly teases and ridicule pole (630), partly arranges keg float (640) and partly arrange fork (650), partly arrange keg float (640) and partly arrange the equal attaching of fork (650) and partly tease and ridicule pole (630), partly arrange fork (650) and be provided with first barb (651) that can coordinate with the first grab (611) phase hook card; Described Quan Pai mechanism comprises whole row float bucket (660), and whole row float bucket (660) is provided with second barb (661) that can coordinate with the second grab (612) phase hook card.
The technical program is compared with background technology, and its tool has the following advantages:
1. the initial position of locating part is primary importance, open the water flow switch of fluid pressure drive device, make piston activity carry out draining, because locating part carries out spacing to the stroke of piston to drive start assembly to open outfall, the stroke of piston is short stroke, and this drainage procedure is half draining; Locating part moves to the second place from primary importance, open the water flow switch of fluid pressure drive device, make piston activity carry out draining to drive start assembly to open outfall, because locating part does not carry out spacing to the stroke of piston, the stroke of piston is Long travel, and this drainage procedure is full draining.Also namely, by the stroke of the position control piston of locating part to reach the object of the double water yield, only need a fluid pressure drive device, not only structure is simple, reliably and cost is low; Meanwhile, this draining valve is similar to normal discharge valve size, and compatibility is strong.
2. operating parts is metallic cable to drive locating part movable, and simple to operate, cost is low, pulls the elastic force that only need overcome elastic component during metallic cable, and without the need to overcoming the hydraulic pressure born when start assembly opens outfall, action required power is little.
3. operating parts is button and drives locating part movable by driving inclined-plane with coordinating the cooperation on inclined-plane, simple to operate, reliable, and pressing force only need overcome the frictional force of locating part and the elastic force of elastic component, without the need to overcoming the hydraulic pressure born when start assembly opens outfall, action required power is little.
4. block and the second elastic component are set at locating part place, ensure that the Stroke Control of piston is more reliable.
5. piston directly coordinates with the carry arm transmission of start assembly, more compact structure.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 depicts the partial schematic sectional view of the hydraulic-driven draining valve of a kind of double water yield of the first preferred embodiment.
One of view when Fig. 2 depicts draining valve half draining of the first preferred embodiment.
Fig. 3 depicts the view two during draining valve half draining of the first preferred embodiment.
One of Fig. 4 locating part view being in the second place depicting the first preferred embodiment
The locating part that Fig. 5 depicts the first preferred embodiment is in the view two of the second place.
One of view when Fig. 6 depicts the full draining of the draining valve of the first preferred embodiment.
Fig. 7 depicts the view two during the full draining of the draining valve of the first preferred embodiment.
Fig. 8 depicts the structural representation of the locating part of the first preferred embodiment.
Fig. 9 depicts the structural representation of the block of the first preferred embodiment.
Figure 10 depicts view during draining valve half draining of the second preferred embodiment.
Figure 11 depicts view during the full draining of the draining valve of the second preferred embodiment.
One of view when Figure 12 depicts draining valve half draining of the 3rd preferred embodiment
Figure 13 depicts the view two during draining valve half draining of the 3rd preferred embodiment.
One of view when Figure 14 depicts the full draining of the draining valve of the 3rd preferred embodiment.
Figure 15 depicts the view two during the full draining of the draining valve of the 3rd preferred embodiment.
Figure 16 depicts the structural representation of the button of the 3rd preferred embodiment.
Figure 17 depicts the structural representation of the locating part of the 3rd preferred embodiment.
Detailed description of the invention
Please refer to Fig. 1 to Fig. 9, an a kind of preferred embodiment of hydraulic-driven draining valve of the double water yield, the hydraulic-driven draining valve of the described a kind of double water yield, it comprises valve body 100, start assembly, fluid pressure drive device, Quan Pai mechanism, Ban Pai mechanism and locating part 200.
Described valve body 100, it is provided with outfall 110.
Described start assembly can open or close outfall 110, and its activity is installed in valve body 100.In the present embodiment, described start assembly comprises starting bar 610 and carry arm 620, and one end of carry arm 620 directly or by connecting rod etc. connects starting bar 610 indirectly, and starting bar 610 is provided with the first grab 611 and the second grab 612.
Described fluid pressure drive device, its attaching and valve body 100 attaching, it comprises piston, and piston drive connects start assembly.In the present embodiment, the activity direction of described piston is consistent with the activity direction of the starting bar of start assembly.
In the present embodiment, described fluid pressure drive device also comprises the cylinder body 300 being provided with water inlet 340, cylinder body 300 coordinates with the attaching of valve body 100 phase and forms a movable chamber 310 between valve body 100 and cylinder body 300, piston seal activity is installed in cylinder body 300 and it stretches in valve body 100, cylinder body 300 is separated into the first chamber 320 and the second chamber 330 by piston, and water inlet 340 and the first chamber 320 are connected.In the present embodiment, cylinder body 300 is positioned at the top of valve body 100, first chamber 320 and the second chamber about 330 are arranged, current flow into drive piston to move down from inlet opening 340, piston coordinates with the other end phase transmission of carry arm 620, drives starting bar 610 to move up to open outfall 110 by carry arm 620.Or as required, cylinder body 300 can be arranged on the bottom of valve body 100, the first chamber 320 and the second chamber are above arranged for 330 times, and current flow into drive piston to move up from inlet opening 340.The structure of fluid pressure drive device matches with the structure of start assembly the opening and closing realized outfall.
In the present embodiment, described piston comprises the bar portion 360 of sealing 350 and affixed sealing, and sealing 350 seals with cylinder body 300 phase and is slidably matched, and bar portion 360 to stretch in valve body 100 and coordinates with the transmission of carry arm 620 phase; Separately be provided with the 4th elastic component 370, it in cylinder body 300 and contact between cylinder body 300 and sealing 350.In the present embodiment, the 4th elastic component 370 can be arranged at the first chamber 320 or the second chamber 330 according to the position of water inlet, and the water inlet of the present embodiment is arranged at the first chamber, and the 4th elastic component 370 is positioned at the second chamber 330; During work, the first chamber 320 intakes and pressure increases gradually, thus promotes the 4th elastic component 370 in piston compression second chamber 330; During reset, the first chamber 320 sealing release, resets at the resilient force lower piston of the 4th elastic component 370.
Quan Pai mechanism and Ban Pai mechanism, the two is all installed in valve body 100.In the present embodiment, described Ban Pai mechanism comprises partly teases and ridicule pole 630, half row's keg float 640 and half row's fork 650, half row's keg float 640 and half row's fork 650 all attaching partly tease and ridicule pole 630, and half row's fork 650 is provided with first barb 651 that can coordinate with the first grab 611 phase hook card; Described Quan Pai mechanism comprises whole row float bucket 660, and whole row float bucket 660 is provided with second barb 661 that can coordinate with the second grab 612 phase hook card.
Described locating part 200, it is movable between the first position and the second position; In the present embodiment, locating part is movable between extended position and retrieving position.
During half draining, locating part 200 is positioned at primary importance and extended position to make the active strokes of piston for short stroke, piston activity drives start assembly to open outfall 110, now Ban Pai mechanism matches with start assembly and realizes half draining, namely, start assembly the first grab 611 in process that moves up coordinates with the first barb 651 phase hook card, and realizes half draining by the buoyancy of half row's keg float 640.
During full draining, locating part 200 is positioned at the second place and retrieving position to make the active strokes of piston for Long travel, piston activity drives start assembly to open outfall 110, now Quan Pai mechanism matches with start assembly and realizes full draining, namely, start assembly the second grab 612 in process that moves up coordinates with the second barb 661 phase hook card, and realizes full draining by the buoyancy of whole row float bucket 660.
In the present embodiment, the stroke of circumferential position to piston that described locating part 200 is arranged at piston limits.
In the present embodiment, locating part 200 activity is installed in movable chamber 310, and when locating part 200 is positioned at primary importance, it stretches into the second chamber 330, and when locating part 200 is positioned at the second place, it leaves the second chamber 330.
In the present embodiment, when locating part 200 is positioned at primary importance, locating part 200 is positioned at the below of sealing 350 to carry out spacing to the active strokes of sealing 350.
In the present embodiment, this draining valve also comprises the first elastic component 410, it in movable chamber 310 and contact between movable chamber 310 chamber wall and locating part 200.
In the present embodiment, this draining valve also comprises for for people manual operating parts, and it is in transmission connection locating part 200, and operating parts activity drives locating part 200 movable between the first position and the second position.
In the present embodiment, described operating parts is metallic cable 400, metallic cable 400 one end stretch into movable chamber 310 and with locating part 200 Joint, metallic cable 400 other end is positioned at outside movable chamber 310.
In the present embodiment, this draining valve also comprises block 510 and the second elastic component 520, block 510 is provided with blocking arm 511, block 510 activity is installed in the second chamber 330 of cylinder body, second elastic component 520 contact is between cylinder body 300 and block 510, when locating part 200 is positioned at primary importance, blocking arm 511 is positioned at the below of locating part 200 and the second elastic component 520 is in compressive state, piston does not contact all the time with block 510, and when locating part 200 is positioned at the second place, blocking arm 511 contact locating part 200 is to make locating part 200 remain on the second place and piston activity can drive block 510 movable.
The operating principle of this draining valve is:
During original state, locating part 200 is in primary importance, and blocking arm 511 is positioned at the below of locating part 200 and the second elastic component 520 is in compressive state.
During half draining, the water flow switch opening fluid pressure drive device, to make water enter in the first chamber from water inlet 340 and to drive piston to move down, drives starting bar 610 to move up to open outfall by carry arm 620 and carries out draining; Because locating part 200 is in primary importance, the district that steps down is there is no between locating part 200 and block 510, piston downwards movable until its sealing 350 contact till locating part 200, the stroke of piston is short stroke, now, first grab 611 coordinates with the first barb 651 phase hook card, and realizes half draining by the buoyancy of half row's keg float 640.
During full draining, pull metallic cable 400 to move to the second place to drive locating part 200 from primary importance, now, block 510 moves up under the second elastic component 520 acts on, and forms one to step down district 332 at the effect lower limit part 200 of blocking arm 511 and block 510; While pulling metallic cable 400 or afterwards, the water flow switch opening fluid pressure drive device, to make water enter in the first chamber 320 from water inlet 340 and to drive piston to move down, drives starting bar 610 to move up to open outfall by carry arm 620 and carries out draining; When piston is downwards movable, its sealing 350 stretches into the district 332 drive block 510 to be moved downward to precalculated position of stepping down, the stroke of piston is Long travel, now, the second grab 612 coordinates with the second barb 661 phase hook card, and realizes full draining by the buoyancy of whole row float bucket 660.
Please referring to Figure 10 and Figure 11, is a kind of second preferred embodiment of hydraulic-driven draining valve of the double water yield.The difference part of the present embodiment and a upper embodiment is, this embodiment does not arrange block 510 and the second elastic component 520.When needing full draining, whole drainage procedure only need ensure that locating part 200 remains on the second place.
Please referring to Figure 12 to Figure 17, is a kind of 3rd preferred embodiment of hydraulic-driven draining valve of the double water yield.In the present embodiment, described operating parts is button 420, its activity is installed in valve body 100 or cylinder body 300, this button 420 is provided with and drives inclined-plane 421, described locating part 200 is provided with can with the cooperation inclined-plane 210 driving inclined-plane 421 phase transmission to coordinate, and pressing keys 420 drives and drives inclined-plane 421 to coordinate to make locating part 200 move to the second place from primary importance with coordinating inclined-plane 210 phase transmission.The present embodiment can be selected whether to arrange block 510 and the second elastic component 520 as required, and when needing full draining, whole drainage procedure only need ensure that locating part 200 remains on the second place.
In the present embodiment, described valve body 100 or cylinder body 300 are provided with the assembly cavity 120 be connected with movable chamber 310, the activity of described button 420 is installed in assembly cavity 120, separately be provided with the 3rd elastic component the 130, three elastic component 130 in assembly cavity 120 and contact between button 420 and the chamber wall of assembly cavity 120.
The above, be only present pre-ferred embodiments, therefore can not limit scope of the invention process according to this, the equivalence change namely done according to the scope of the claims of the present invention and description with modify, all should still belong in scope that the present invention contains.
Claims (12)
1. a hydraulic-driven draining valve for the double water yield, is characterized in that: it comprises:
Valve body (100), it is provided with outfall (110);
Can open or close the start assembly of outfall (110), its activity is installed in valve body (100);
Fluid pressure drive device, it and valve body (100) attaching, it comprises piston, and piston drive connects start assembly;
Quan Pai mechanism and Ban Pai mechanism, the two is all installed in valve body (100);
Locating part (200), it is movable between the first position and the second position;
During half draining, locating part (200) is positioned at primary importance to make the active strokes of piston for short stroke, and piston activity drives start assembly to open outfall (110) and Ban Pai mechanism matches with start assembly and realizes half draining;
During full draining, locating part (200) is positioned at the second place to make the active strokes of piston for Long travel, and piston activity drives start assembly to open outfall (110) and Quan Pai mechanism matches with start assembly and realizes full draining.
2. the hydraulic-driven draining valve of a kind of double water yield according to claim 1, is characterized in that: the stroke of circumferential position to piston that described locating part (200) is arranged at piston limits.
3. the hydraulic-driven draining valve of a kind of double water yield according to claim 1, it is characterized in that: described fluid pressure drive device also comprises the cylinder body (300) being provided with water inlet (340), cylinder body (300) coordinates with valve body (100) phase attaching and forms a movable chamber (310) between valve body (100) and cylinder body (300), locating part (200) activity is installed in movable chamber (310), piston seal activity is installed in cylinder body (300) and it stretches in valve body (100), cylinder body (300) is separated into the first chamber (320) and the second chamber (330) by piston, water inlet (340) and the first chamber (320) are connected, when locating part (200) is positioned at primary importance, it stretches into the second chamber (330), when locating part (200) is positioned at the second place, it leaves the second chamber (330).
4. the hydraulic-driven draining valve of a kind of double water yield according to claim 3, it is characterized in that: described piston comprises the bar portion (360) of sealing (350) and affixed sealing, sealing (350) seals mutually with cylinder body (300) and is slidably matched, when locating part (200) is positioned at primary importance, locating part (200) is positioned at the below of sealing (350), and bar portion (360) are stretched in valve body (100); Separately be provided with the 4th elastic component (370), it be positioned at cylinder body (300) and contact between cylinder body (300) and sealing (350).
5. the hydraulic-driven draining valve of a kind of double water yield according to claim 3, it is characterized in that: also comprise the first elastic component (410), it be positioned at movable chamber (310) and contact between movable chamber (310) chamber wall and locating part (200).
6. the hydraulic-driven draining valve of a kind of double water yield according to claim 3, it is characterized in that: also comprise for supplying the manual operating parts of people, it is in transmission connection locating part (200), and operating parts activity drives locating part (200) movable between the first position and the second position.
7. the hydraulic-driven draining valve of a kind of double water yield according to claim 6, it is characterized in that: described operating parts is metallic cable (400), metallic cable (400) one end stretch into movable chamber (310) and with locating part (200) Joint, metallic cable (400) other end is positioned at movable chamber (310) outward.
8. the hydraulic-driven draining valve of a kind of double water yield according to claim 6, it is characterized in that: described operating parts is button (420), its activity is installed in valve body (100) or cylinder body (300), this button (420) is provided with and drives inclined-plane (421), described locating part (200) is provided with can with the cooperation inclined-plane (210) driving inclined-plane (421) phase transmission to coordinate, pressing keys (420) drives and drives inclined-plane (421) to coordinate to make locating part (200) move to the second place from primary importance with coordinating inclined-plane (210) phase transmission.
9. the hydraulic-driven draining valve of a kind of double water yield according to claim 8, it is characterized in that: described valve body (100) or cylinder body (300) are provided with the assembly cavity (120) be connected with movable chamber (310), described button (420) activity is installed in assembly cavity (120), separately be provided with the 3rd elastic component (130), the 3rd elastic component (130) be positioned at assembly cavity (120) and contact between button (420) and the chamber wall of assembly cavity (120).
10. the hydraulic-driven draining valve of a kind of double water yield according to claim 3 or 4 or 5 or 6 or 7 or 8 or 9, it is characterized in that: also comprise block (510) and the second elastic component (520), block (510) is provided with blocking arm (511), block (510) activity is installed in second chamber (330) of cylinder body, second elastic component (520) contact is between cylinder body (300) and block (510), when locating part (200) is positioned at primary importance, blocking arm (511) is positioned at the below of locating part (200) and the second elastic component (520) is in compressive state, piston does not contact with block (510), when locating part (200) is positioned at the second place, blocking arm (511) contact locating part (200) is to make locating part (200) remain on the second place and piston activity can drive block (510) movable.
The hydraulic-driven draining valve of the 11. a kind of double water yields according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9, it is characterized in that: described start assembly comprises starting bar (610) and carry arm (620), one end of carry arm (620) connects starting bar (610), the other end of carry arm (620) coordinates with the transmission of piston phase, and starting bar (610) is provided with the first grab (611) and the second grab (612); Described Ban Pai mechanism is provided with first barb (651) that can coordinate with the first grab (611) phase hook card, and described Quan Pai mechanism is provided with second barb (661) that can coordinate with the second grab (612) phase hook card.
The hydraulic-driven draining valve of 12. a kind of double water yields according to claim 11, it is characterized in that: described Ban Pai mechanism comprises partly teases and ridicule pole (630), partly arranges keg float (640) and partly arrange fork (650), partly arrange keg float (640) and partly arrange the equal attaching of fork (650) and partly tease and ridicule pole (630), partly arrange fork (650) and be provided with first barb (651) that can coordinate with the first grab (611) phase hook card; Described Quan Pai mechanism comprises whole row float bucket (660), and whole row float bucket (660) is provided with second barb (661) that can coordinate with the second grab (612) phase hook card.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410021392.XA CN103806515B (en) | 2014-01-17 | 2014-01-17 | A kind of hydraulic-driven draining valve of the double water yield |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410021392.XA CN103806515B (en) | 2014-01-17 | 2014-01-17 | A kind of hydraulic-driven draining valve of the double water yield |
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| CN103806515B true CN103806515B (en) | 2015-08-12 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222132B (en) * | 2018-01-13 | 2024-04-05 | 谷力(厦门)科技有限公司 | Water inlet and drainage integrated control valve |
| CN109680774B (en) * | 2019-01-15 | 2024-01-19 | 厦门瑞尔特卫浴科技股份有限公司 | Drainage driving mechanism and double-gear drainage valve |
| CN110656683A (en) * | 2019-09-12 | 2020-01-07 | 厦门瑞尔特卫浴科技股份有限公司 | Backflow-preventing drain valve structure |
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| FR2704014A1 (en) * | 1993-04-14 | 1994-10-21 | Piat Moise | Equipment for filling and emptying WC cisterns |
| CN2486626Y (en) * | 2001-06-24 | 2002-04-17 | 中山市美图洁具实业有限公司 | Hydraulic water discharge valve |
| CN201241957Y (en) * | 2008-06-19 | 2009-05-20 | 陈震宇 | Automatic flushing valve |
| EP2505727A1 (en) * | 2011-03-30 | 2012-10-03 | Geberit International AG | Drain valve for a cistern |
| CN203034573U (en) * | 2013-01-28 | 2013-07-03 | 李飞宇 | Control auxiliary mechanism of drain valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2704014A1 (en) * | 1993-04-14 | 1994-10-21 | Piat Moise | Equipment for filling and emptying WC cisterns |
| CN2486626Y (en) * | 2001-06-24 | 2002-04-17 | 中山市美图洁具实业有限公司 | Hydraulic water discharge valve |
| CN201241957Y (en) * | 2008-06-19 | 2009-05-20 | 陈震宇 | Automatic flushing valve |
| EP2505727A1 (en) * | 2011-03-30 | 2012-10-03 | Geberit International AG | Drain valve for a cistern |
| CN203034573U (en) * | 2013-01-28 | 2013-07-03 | 李飞宇 | Control auxiliary mechanism of drain valve |
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| CN103806515A (en) | 2014-05-21 |
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