CN1580430A - Water-saving time-delay valve device - Google Patents
Water-saving time-delay valve device Download PDFInfo
- Publication number
- CN1580430A CN1580430A CN 03135512 CN03135512A CN1580430A CN 1580430 A CN1580430 A CN 1580430A CN 03135512 CN03135512 CN 03135512 CN 03135512 A CN03135512 A CN 03135512A CN 1580430 A CN1580430 A CN 1580430A
- Authority
- CN
- China
- Prior art keywords
- water
- maincenter
- saving time
- valve device
- delay
- 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.)
- Granted
Links
Images
Landscapes
- Sanitary Device For Flush Toilet (AREA)
Abstract
This invention relates to a water-save time delay valve device in toilet in which, a center film valve core capable of concave-convex floating is mounted on the inlet valve base shaped in a round concave glue piece, an orifice nozzle is insertedin the center with a through needed in the orifice, a decompressing valve is set on an abnormal inner cover implied solid button made of compound material, rigid outside and soft inside, changeable by concave and convex. The decompressing valve is open or close either by hand or foot when fixing the valve on the ground since the ground pollute can't enter into the solid implied button.
Description
Technical field
What the present invention relates to is washroom excrements flushing delay self-closing valve.
Background technology
Existing delay self-closing valve, common structure, the flap of sealing valve port is made piston-like, end sealing valve port, the other end can slide in the cylinder chamber, one damping hole is arranged in the cylinder chamber or rely on casing wall to follow feedwater to communicate with the gap between the piston, there is an aperture to communicate on the piston with gutter, when not washing by water, the aperture sealing, be full of water in the cylinder chamber and equate with feed pressure, flap is pushed against on valve port, during bath, as long as the short time open aperture, water is by pressure release in the cylinder chamber, piston is boosted LAP by feed pressure, and valve is opened, simultaneously aperture or the water filling in cylinder sleeve of casing wall sulculus, the promotion piston moves down, and time-delay is close port extremely again.Its shortcoming is that structure is complicated, and seal is many, core---the piston that must adopt, and cylinder sleeve, material will be got well, technological requirement height, essence, cost height, time-delay is unstable and easily leak.And traditional time-delay valve flushing operation need promote button, or foot-operated valve handle LAP makes the pressure relief mechanism pressure release, and its button stroke must be provided with potted component and increase on-off damp, will cause sealing wear to produce water clock, pressure relief mechanism also has employing induced electricity magnet valve to start, but condition is limited.
Summary of the invention
It is a kind of simple in structure that main purpose of the present invention is to provide, and sealing is reliable, and the flexible spool of maincenter diaphragm time-delay with low cost replaces traditional piston time-delay mechanism.
Another object of the present invention is to adopt novel pushbutton unit, and promptly stealthy whole button solves conventional button, operation effort and friction sealed wearing and tearing water clock problem.
Above-mentioned purpose of the present invention be by, maincenter diaphragm spool strain hydroecium volume, change and establish traditional time-delay valve cylinder sleeve stroke, float by maincenter diaphragm spool is concavo-convex, replace conventional piston, joint ring, cylinder sleeve, the flap rubber cushion, and utilize the stealthy whole button pressure relief mechanism that can the concavo-convex plane composite material of little change constitutes, finish normally closed, open bath, the technical scheme of delay-self-closing realizes, its formation comprises: the water-inflow and drain valve seat, maincenter diaphragm spool, the abnormity inner cap, stealthy whole button cover, the protruding in the form of a ring circle of water inlet valve port that it is characterized in that described water-inflow and drain valve seat, the draining inner chamber is oblique recessed wide groove and around the water inlet valve port in the form of a ring, the bead place fixes a similar smooth disc shape and opens a circular hole and the spacing ring washer of porous of many apertures on every side in central authorities between groove, then lay maincenter diaphragm spool above, described maincenter diaphragm spool is the reinforcement epithelium of a similar disk shape, and diameter equals water-inflow and drain valve seat inner chamber aperture and at maincenter diaphragm center rivet clasp one damping hole mouth, described special-shaped inner cap, be a concavity hydroecium chamber, pressure release passage is established in its rear end, the corresponding water-inflow and drain valve seat of bezel ring, end face and compress the sealing of maincenter diaphragm spool ring limit and be solidified as a whole in the described abnormity.
Adopt maincenter diaphragm spool operating principle of the present invention as follows:
When maincenter diaphragm valve core A face smooth in the water inlet valve port, it is normally closed shape, maincenter diaphragm spool B face hydroecium is full of its pressure of water and equates to hydraulic pressure in the chamber, because of its A face, B face, the effective function area does not wait, and maincenter diaphragm A face middle part is tight against on the water inlet valve port, hydraulic pressure high sealability more is tight more, and when low pressure supplied water, the then effect of the compensation sealing valve port of the low hydraulic pressure spring of performance be what deserves to be mentioned is; Maincenter diaphragm spool has certain flexibility, even if the water inlet valve port is somewhat crooked, also can cooperate its sealing surface voluntarily.Guarantee the reliability of sealing, during bath, as long as destroy the pressure in hydroecium chamber artificially,, or start stealthy whole button as the employing electromagnetic relief valve, the interlock relief valve, at this moment, the pressure that maincenter diaphragm spool A face is fed water, and to float protruding in B face hydroecium chamber one side comprehensively, be equivalent to maincenter diaphragm flap and open draining.Damping hole mouth through maincenter diaphragm central authorities feed water simultaneously slowly to the water filling of hydroecium chamber, make maincenter diaphragm spool B face stressed and slow deflection water inlet valve port it may be noted that
Maincenter diaphragm spool, with conventional piston swept volume total amount, disperse, extend to and have on the larger area maincenter diaphragm, thereby make its limited concavo-convex unsteady stroke, just can satisfy the condition of hydroecium chamber time-delay cubical content, when damping hole continues water filling, because maincenter diaphragm A face middle part is subjected to the pressure from water inlet, maincenter diaphragm spool B face hydroecium chamber one side can not be parallel protruding in opposite side, but at first act on the low hydraulic pressure zone of maincenter diaphragm B face circumferential edge along the position, is pushed into the spacing ring washer of porous, maincenter diaphragm spool A face central part and water inlet valve port spacing have been guaranteed therebetween, to satisfy the requirement of flushing the toilet of big flow, then, maincenter diaphragm spool continues to be subjected to the hydraulic pressure strain protruding in the centre, utilize hydraulic pressure to force maincenter diaphragm spool, close and be close to into water valve port, finish once bath, the delay-self-closing operating mode, time-delay length depends on the ratio in hydroecium volume and damping aperture.Consider the flexibility and the intensity of maincenter diaphragm spool, also can embed the braid of nylon yarn and so between membrane layer, and corrugated also can be processed in diaphragm ring limit.
The present invention adopts the operating principle of stealthy whole button pressure relief mechanism as follows:
Stealthy whole button cover, sheet metal punch forming one similar water bowl cover shape for similar stainless steel-like, the smooth dimpling of its end face, and wall adheres to the flexible material of one deck rubber cushion or epoxy resin and so within it, form rubber-like outer rigid inner soft type compound button, its diameter and water-inflow and drain valve seat are complementary, formation has larger area strain face, push whole button cover, its end face middle part cover is easy to depression and advances a small distance stroke degree of depth and can reach 0.2 centimetre, and the trip T-shape relief valve that is enough to link is opened.During no external force, whole button cover is recovered the free state of dimpling, waits to make.So-called " stealth " both do not had the diametric plane gap of obvious button projection and stroke, but utilized the concavo-convex strain of cover, finished pressure release and opened and closed, so the similar whole button cover that adopts other plastic material to make is feasible equally, and can increase cartoon pattern etc.Feel is refreshing.
The present invention compared with prior art has following advantage:
One, it is simple and reliable that maincenter diaphragm spool replaces former piston mechanism, and cost is low, potted component is few, reduces the link of leaking to greatest extent, avoids the waste of water resource.
Two, impose on the reaction hydraulic pressure of flap, can be cushioned, obviously eliminate water hammer by the maincenter diaphragm spool of flexible structure.
Three, the whole hidden apparatus of button need not to be provided with conventional push button and leans on friction sealed element, and more suitable installation embeds accomodation ground, owing to there is not the button gap, can effectively prevent the dustiness invasion, and foot-operated startup is more convenient, special health.
Four, science water saving mode:
Give the button a slight press, unclamp immediately, this valve time-delay flushing 2-3 second (use of should urinating).
Pin button 1-2 second, 5-10 second, (use of should defecating) are washed in the time-delay of this valve.Can easily economize on water more than 50%.
Description of drawings
Below in conjunction with drawings and Examples the present invention is described in further details, but content of the present invention is not limited in this embodiment.
Fig. 1 time-delay valve device elevation of economizing on water
Fig. 2 is the normally closed station sectional view that adopts the flexible spool time-delay valve of the present invention device
The spacing ring washer view of Fig. 3 porous
Fig. 4 maincenter diaphragm spool, opening water discharge station view
Fig. 5 maincenter diaphragm spool strain draining time-delay process view
Fig. 6 is the time-delay valve device sectional view that adopts the maincenter diaphragm spool of another kind of structure
1. maincenter diaphragm spools among the figure, 2. water-inflow and drain valve seat, 3. special-shaped inner cap, the 4. spacing shelves of porous, 5. hydroecium chamber, 6. damping hole mouth, 7. pressure release passage, 8. cleansing pin, 9. relief valve, 10. spring, 11. the water inlet valve port, 12. sealing rings, 13. stealthy whole button cover, 14. flexible glue-line, 15. solid gasket, the 16. draining inner chambers strengthened, the pin 17. gutter, 18. vortexs quiver, 19. strengthen projection.
The specific embodiment
Embodiment 1
Connect solid from inlet channel referring to Fig. 1-2 water-inflow and drain valve seat (2), when normally closed, being full of its pressure of water in the hydroecium chamber (5) equates with feedwater, make the A face middle part smooth water inlet valve port (11) of maincenter diaphragm spool (1), for making sealing more reliable, all right build-in one " O " the type cushion rubber (12) of water inlet valve port (11) ring end face, formation maincenter diaphragm flap pushes against the sealing anchor ring of the bidirectional flexible of " O " type cushion rubber (12), to soften to gentle, but not the gentle corresponding sealing surface of steel, tiltedly fixing the spacing ring washer of porous (4) (referring to Fig. 3) qualification maincenter diaphragm spool (1) between recessed wide groove draining inner chamber (14) bead in ring-type floats concavo-convex in the scope of setting, the fatigue damage in order to avoid be out of shape transition, rivet clasp one its aperture of damping hole mouth (6) in maincenter diaphragm spool (1) center communicates with feedwater.During bath, destroy the hydraulic pressure of hydroecium chamber (5) artificially, as the pressure that adopts induced electricity magnet valve pressure release (not shown) or the of short duration A face of opening relief valve (9) maincenter diaphragm spool this moment (1) to be fed water, and to float protruding in B face hydroecium chamber (5) one sides comprehensively, (referring to Fig. 4) water inlet valve port (11) is opened, water inlet is at first passed through the spacing ring washer of porous (4) of many apertures and is flowed into circular groove groove around the draining inner chamber (14) of water inlet valve port (11), import gutter (17) bath, feedwater is simultaneously passed through damping hole mouth (6) to hydroecium chamber (5) slowly water filling.At first protruding in the time-delay of maincenter diaphragm spool (1) the draining strain shown in the spacing ring washer of porous (4) (referring to Fig. 5) process from the B face circumferential edge strain of maincenter diaphragm valve core (1), because its A face central authorities water inlet valve port (11) pressure of maincenter diaphragm spool (1) is greater than periphery, hydraulic pressure can only at first act on the zone of relatively low pressure, has satisfied the requirement that big flow is flushed the toilet therebetween.Then, make the protruding water inlet valve port (11) of maincenter diaphragm spool (1) strain gradually, utilize hydraulic pressure at last, finish the operating mode of the delay-self-closing of once washing by water to closing into water automatically again to the center.Time-delay length depends on the total measurement (volume) in the formed hydroecium of effective area chamber (5) of maincenter diaphragm spool (1) and the ratio in damping hole mouth (6) aperture.Abnormity inner cap (3), the corresponding water-inflow and drain valve seat (2) of its ring end face also compresses maincenter diaphragm spool (1) ring limit, and sealing can adopt that Luo connects, bonding, riveted joint, fix and be one.
For adhering to flexibility, stainless steel substrates profiled member inwall strengthens glue-line (14) referring to the stealthy whole button cover of Fig. 4 (13), the glue-line middle part fixes a solid gasket (15) and forms rubber-like outer rigid inner soft type compound button lid (13), flicking or foot-operated this middle part, utilize it can concavo-convex among a small circle characteristic, solid gasket (15) interlock T-shape relief valve (9) makes hydroecium chamber (5) pressure release, through pressure release passage (7) diffluence, maincenter diaphragm spool (1), be partial to hydroecium chamber (5) one sides immediately, be equivalent to the draining station that flap is opened.The axial rearward end of T-shape relief valve (9) also can connect a cleansing pin (8) or utilize the rotatable vortex of the current pin (18) that quivers to connect damping hole mouth (6), makes all to make relative string between flush the toilet damping hole and the cleansing pin (8) at every turn and move, and exempts to net anti-blocking.Change the cleansing pin (8) of different-diameter and can adjust the delay-self-closing time.
Need explanation, spring (10) had both been served as relief valve (9) and had been resetted, and auxiliary stealthy whole button cover (13) state that affranchises, serve as maincenter diaphragm spool (1) again when hanging down hydraulic pressure, assurance is tight against the compensation sealing effect of " O " type cushion rubber (12), be called low this spring of hydraulic pressure spring (10) (10) this moment, also take into account the negative-pressure siphon effect that prevents.
The diameter symmetry of stealthy its diameter of whole button cover (13) and water-inflow and drain valve seat (2) can adopt riveted joint, is spirally connected, being located by connecting of bonding, class between them.
The structural principle of present embodiment and preceding embodiment is basic identical, different is to advance, gutter is anti-phase to be connected in shown in the pipeline (referring to Fig. 6), maincenter diaphragm spool (1) middle part is strengthened handling, both increased the reinforcement projection (19) of a dot thickness, then rivet clasp is in maincenter diaphragm spool (1) for damping hole mouth (6), and its hole heart of the position of offset from center one side interts cleansing pin or the vortex pin (18) that quivers, same principle reaches the delay-self-closing purpose, but can exempt the spacing ring washer of porous (4).Because of maincenter diaphragm spool (1) except that central authorities strengthen the district, two sides hydraulic pressure equates, can not cause damage to maincenter film spool (1).
Embodiment 4
This water saving time-delay valve device can adopt multiple pressure release mode, as adopting induced electricity magnet valve pressure release or adopting the remote pressure release of fluid power.And the another kind of sealing means of conventional push button pressure release so need not to be provided with the between centers sealing ring because of its button stroke is very short with regard to starting, increases the button damping.And the epithelium of a similar little glue lid shape is set, its edge is fixed on relief valve (9) shell, the center then fixes T-shape pressure release bar, and epithelium can adopt the non-friction sealed of relative " static " by concavo-convex one little stroke (not shown) during startup, alleviates to start damping and wearing and tearing water clock.Still this can be installed time-delay valve, install, build-in is in accomodation ground (referring to Fig. 6) and relevant support, pipeline connection, and foot-operated stealthy whole button cover (13) starts bath.Avoid the cross-infection of bacterium.Especially the dustiness on ground can't be invaded the special health of whole button cover (13) very close to each other at all.
Such scheme only is the preferred embodiment of the present invention, under the prerequisite that does not break away from the principle of the invention, can also make some modification and improvement, also should be considered as belonging to protection scope of the present invention.
Claims (9)
1, a kind of water saving time-delay valve device, comprise the water-inflow and drain valve seat, maincenter diaphragm spool, the abnormity inner cap, the protruding in the form of a ring circle of water inlet valve port that it is characterized in that described water-inflow and drain valve seat, the oblique in the form of a ring recessed wide groove of draining inner chamber, around the water inlet valve port, the bead place fixes a similar smooth disc shape and opens a circular hole and the spacing ring washer of porous of many apertures on every side in central authorities between groove, lay maincenter diaphragm spool in the above, described maincenter diaphragm spool is the reinforcement epithelium of a similar disk shape, diameter equals water-inflow and drain valve seat inner chamber aperture, and at maincenter matrix central point rivet clasp damping hole mouth, described special-shaped inner cap is that pressure release passage is established in its rear end, a circle concavity hydroecium chamber, hydroecium chamber outer shroud end face, corresponding water-inflow and drain valve seat, and compress maincenter diaphragm spool ring limit, sealing is located by connecting.
2, water saving time-delay valve device according to claim 1, it is characterized in that the whole button cover of described stealth, adhere to the flexible material composition of one deck loop-like epoxy resins, rubber-like outer rigid inner soft, Planar Compound button cover for the similar water bowl cover shape of sheet metal punching press and at inwall.
3, water saving time-delay valve device according to claim 1 and 2 is characterized in that the whole button cover of described stealth, the whole button cover that similar plastic material is made, and diameter and water-inflow and drain valve seat symmetry, the concavo-convex stroke at its middle part is in 0.2 centimetre.
4, water saving time-delay valve device according to claim 1 is characterized in that into water valve port build-in " O " type cushion rubber.
5, water saving time-delay valve device according to claim 1 is characterized in that interting in the damping hole mouth of maincenter diaphragm spool cleansing pin or the vortex pin that quivers.
6, water saving time-delay valve device according to claim 1 is characterized in that the damping hole mouth of maincenter diaphragm spool can being installed in the orientation of maincenter diaphragm spool offset from center one side, thereby can exempt the spacing ring washer of porous is set.
7, water saving time-delay valve device according to claim 1 is characterized in that described relief valve mechanism is separable to far distance controlled or the control of induced electricity magnet valve.
8, water saving time-delay valve device according to claim 1 is characterized in that described conventional push button sealing ring can adopt the concavo-convex floating seal stroke of epithelium of similar glue lid shape, reduces the button damping.
9, water saving time-delay valve device according to claim 1 is characterized in that described water-inflow and drain valve seat, but build-in in accomodation ground, the pipeline that links with it, support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031355129A CN100460609C (en) | 2003-08-01 | 2003-08-01 | Water-saving time-delay valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031355129A CN100460609C (en) | 2003-08-01 | 2003-08-01 | Water-saving time-delay valve device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1580430A true CN1580430A (en) | 2005-02-16 |
| CN100460609C CN100460609C (en) | 2009-02-11 |
Family
ID=34579088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031355129A Expired - Fee Related CN100460609C (en) | 2003-08-01 | 2003-08-01 | Water-saving time-delay valve device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100460609C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102936918A (en) * | 2012-11-30 | 2013-02-20 | 株洲南车时代电气股份有限公司 | Air control reversing water valve and water supercharging device of vacuum toilet system |
| CN103343567A (en) * | 2013-06-28 | 2013-10-09 | 董晓青 | Urinal water flushing device and urinal thereof |
| WO2015043080A1 (en) * | 2013-09-24 | 2015-04-02 | 吴跃刚 | Time delay automatic closing valve not affected by water quality |
| CN104613193A (en) * | 2015-01-26 | 2015-05-13 | 何西荣 | High-speed rail air pressure double-plug grey water valve |
| CN105060532A (en) * | 2015-08-07 | 2015-11-18 | 杨正涛 | Intelligent anti-blocking and water-saving water purifier and water purifying method |
| CN105683455A (en) * | 2013-10-31 | 2016-06-15 | 勒斯水龙头普尔斯透公司 | Dual flow flush |
| CN107190828A (en) * | 2017-06-16 | 2017-09-22 | 海益（厦门）建材工业有限公司 | One kind bath delayed time system and its delay controlling valve |
| CN107975618A (en) * | 2017-12-28 | 2018-05-01 | 美嘉帕拉斯特汽车零部件（上海）有限公司 | Gs-oil separator pressure-regulating valve |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200470062Y1 (en) | 2010-02-12 | 2013-11-27 | 하이플러스 인터내셔널 컴퍼니 리미티드 | Water-saving valve |
| TWI600817B (en) * | 2016-11-24 | 2017-10-01 | Highplus International Co Ltd | Provincial water valve |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK247989D0 (en) * | 1989-05-22 | 1989-05-22 | Novo Nordisk As | CONE VALVE |
| CN1083546C (en) * | 1998-12-21 | 2002-04-24 | 刘影棠 | Time-delay valve for gasbag |
| CN2388434Y (en) * | 1999-04-20 | 2000-07-19 | 刘洪刚 | Stop valve for gas pipeline |
| CN2459501Y (en) * | 2000-12-29 | 2001-11-14 | 刘星良 | Piston free time-delay valve |
-
2003
- 2003-08-01 CN CNB031355129A patent/CN100460609C/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102936918A (en) * | 2012-11-30 | 2013-02-20 | 株洲南车时代电气股份有限公司 | Air control reversing water valve and water supercharging device of vacuum toilet system |
| CN103343567A (en) * | 2013-06-28 | 2013-10-09 | 董晓青 | Urinal water flushing device and urinal thereof |
| CN103343567B (en) * | 2013-06-28 | 2015-02-25 | 董浩灵 | Urinal water flushing device and urinal thereof |
| WO2015043080A1 (en) * | 2013-09-24 | 2015-04-02 | 吴跃刚 | Time delay automatic closing valve not affected by water quality |
| CN105683455A (en) * | 2013-10-31 | 2016-06-15 | 勒斯水龙头普尔斯透公司 | Dual flow flush |
| CN105683455B (en) * | 2013-10-31 | 2017-11-17 | 勒斯水龙头普尔斯透公司 | Double fluid rinses |
| CN104613193A (en) * | 2015-01-26 | 2015-05-13 | 何西荣 | High-speed rail air pressure double-plug grey water valve |
| CN105060532A (en) * | 2015-08-07 | 2015-11-18 | 杨正涛 | Intelligent anti-blocking and water-saving water purifier and water purifying method |
| CN107190828A (en) * | 2017-06-16 | 2017-09-22 | 海益（厦门）建材工业有限公司 | One kind bath delayed time system and its delay controlling valve |
| CN107190828B (en) * | 2017-06-16 | 2023-09-19 | 海益（厦门）建材工业有限公司 | Flushing delay system and delay control valve thereof |
| CN107975618A (en) * | 2017-12-28 | 2018-05-01 | 美嘉帕拉斯特汽车零部件（上海）有限公司 | Gs-oil separator pressure-regulating valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100460609C (en) | 2009-02-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1580430A (en) | Water-saving time-delay valve device | |
| CN2623755Y (en) | Water-saving time-delay valve device | |
| CN108005188B (en) | Low water tank toilet bowl | |
| KR100890385B1 (en) | Flush valve for water tank of toilet stool | |
| CA2278272C (en) | Diaphragm orifice for flushometer | |
| CA2315563A1 (en) | Diaphragm assembly disc | |
| CN216813028U (en) | Time-delay valve core | |
| CN204878925U (en) | Water -saving toilet and mechanism of intaking thereof | |
| CN201288872Y (en) | Time-delay water-saving valve | |
| CA2499169C (en) | A cistern outlet valve assembly | |
| CN105839750A (en) | External magnetic plate-piston diaphragm type energy-storing closestool flusher | |
| CN2579978Y (en) | Strain packing cup delay flushing valve | |
| CN201193355Y (en) | Anticounterflowing and odour-stopping water pipe | |
| CN1083546C (en) | Time-delay valve for gasbag | |
| CN202023238U (en) | Concealed installation double-gear double-control flushing valve | |
| CN217502690U (en) | Flap valve structure for sewage treatment sand sediment well | |
| CN109487874A (en) | It first rushes and covers water valve afterwards | |
| CN109707921B (en) | Composite pipe | |
| CN218178025U (en) | One-way water stop valve | |
| KR20010015995A (en) | Water-saving toilet | |
| CN218207973U (en) | Film check valve | |
| CN219345503U (en) | Aseptic diaphragm type single seat valve structure | |
| CN2687435Y (en) | Deep-buried water intake valve | |
| CN215172662U (en) | Water tank level control release valve | |
| CN2159421Y (en) | Leakproof discharging valve of cistern |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Joyou Building Materials Group Co., Ltd. Assignor: Liu Xingliang Contract fulfillment period: 2008.5.18 to 2023.8.1 contract change Contract record no.: 2008350000023 Denomination of invention: Water-saving time-delay valve device License type: Exclusive license Record date: 2008.8.25 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENCE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.5.18 TO 2023.8.1 Name of requester: ZHONGYU BUILDING MATERIALS GROUP CO., LTD. Effective date: 20080825 |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090211 Termination date: 20160801 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |