CN100353107C - Piston-free time delay valve spool capable of bending - Google Patents
Piston-free time delay valve spool capable of bending Download PDFInfo
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- CN100353107C CN100353107C CNB2004100793387A CN200410079338A CN100353107C CN 100353107 C CN100353107 C CN 100353107C CN B2004100793387 A CNB2004100793387 A CN B2004100793387A CN 200410079338 A CN200410079338 A CN 200410079338A CN 100353107 C CN100353107 C CN 100353107C
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Abstract
A piston-free time delay valve spool capable of bending is disclosed. A strain concavo-convex flexibility valve is installed on the arc in-and-out draining valve seat, and the shape thereof is arc plane like ellipse extended rectangle flap. A decompression opening is set on one end thereof. Another plane center fixing damping hole spout extends.The hole heart interludes the fibrillation needle. The arc abnormal valve case cover is corresponding with arc in-and-out draining valve seat and presses the edge of valve capable of bending to become one. Using hydraulic pressure, the user only gentle touches the underslung feeler lever of 'water drop shape' of cock outlet, and then the first drop can be used. After time dalay of some seconds, the outlet automatically shuts off. The particular bidirectional flexible seal holds water, with self-locked function after cutting off the water supply, automatic snaking and valve handle self cleaning function, without recontamination. The user washed hands more convenient and the water is seved more scientific. The non-contact switch prevents cross infection of bacteria and virus. The valve capable of bending and plane of extension can effectively reduce diameter and volume of time delay cock, convenient for design and matches a great variety of fashion mold, named as nonelectric 'induce water tap' economical and practical.
Description
Affiliated technical field
What the present invention relates to is a kind of water conserving tap, particularly delay-self-closing sanitary washing device.
Background technique
Existing delay self-closing valve, common structure, the spool of sealing valve port is made piston-like, one end sealing valve port, the other end can slide in a cylinder chamber, a damping hole is arranged in the cylinder chamber or lean on the casing wall gap to communicate with feedwater, there is an aperture to communicate on the piston with waste pipe, aperture sealing when not washing by water, be full of in the cylinder chamber water and with equate to hydraulic pressure, spool is pushed against on valve port.Need only the of short duration aperture of opening during bath, water is by pressure release in the cylinder chamber, and piston valve core is boosted by water pressure, and valve is opened.The water filling in the cylinder chamber through aperture or casing wall sulculus of feeding water simultaneously promotes piston valve core and moves down, and time-delay is to close port again, its shortcoming is that structure is complicated, and easily leaks, and button or valve handle you press me to press use unhygienic, need artificial trickle cleaning, push also effort of valve handle, time-delay is unstable, need when washing one's hands by press button and below fall back and forth between the water outlet, inconvenience, and electronics " inductive faucet " has left electricity can't use again, cost height, inconvenient maintenance.
In addition, on August 14th, 2002, publication number CN1363794A, disclose my aforementioned invention " delay valve without piston ", because this valve utilizes the compression of air, release changes the time-delay volume, time one is long, the air spill and leakage, the time-delay less stable, especially the maincenter leather cup must possess the bigger area of a circle, cause the termination portion volume of " delay valve without piston " water tap bigger, and single, the outside is difficult to form good moulding, long-term " sense organ " that forms of incompatibility people.Difficult " integrating with " popularizes.
Summary of the invention
Main task of the present invention provides a kind of simple in structure, and the flexible strain skin graft of flexible maincenter delay-self-closing spool replaces traditional Timing valve of the piston core, or pressure release can be separated the spool of combination with time delay device.It can be chewed head with time-delay valve water effectively and dwindle making, and then solves the exterior design requirement of the self-cleaning water conserving tap of health of the multiple fashion of coupling, meeting the market requirement.
Another object of the present invention is that the valve port of valve adopts the bidirectional flexible sealing, to solve low hydraulic pressure water clock and atomic thin impurity effect sealing valve port effect in the water inlet certainly.
Above-mentioned purpose of the present invention is that the concavo-convex strain increase and decrease hydroecium total measurement (volume) by bending type maincenter diaphragm spool replaces traditional time-delay valve piston stroke, seal ring, spool rubber cushion etc. be parts in addition, but because the Qu Yanshen of maincenter skin graft, the one section intake tunnel space that utilizes the water tap cantilever can reduce the diameter of valve body under the condition that does not reduce hydroecium chamber total measurement (volume) amount.Its formation comprises: the camber tap shell that covers for housing and valve seat are formed, but Qu Zhongshu skin graft spool, the decompression mechanism of T-shape valve rod, it is characterized in that: but Qu Zhongshu skin graft spool, it is the flexible skin graft that a plane also can be the concavo-convex strain of arc surface, its fabric width is consistent with valve casing seat internal chamber wall, but described Qu Zhongshu skin graft its surperficial central position or its depart from the pressure release aperture near position rivet clasp one damping hole mouth.
Adopt the delay-self-closing tap of above-mentioned spool assembling it is characterized in that: a pressure release circular orifice also will be established in the center at the corresponding valve seat draining of flexible skin graft valve port, connect the skin graft plane, this aperture is slightly larger than the body of rod of T-shape pressure release valve rod, but less than drain valve oral pore footpath, the faucet body that described water tap water-inflow and drain valve shell block is one section vertical arc curved shape is the arc groove along outer arc processing, form the valve casing pedestal of its section similar " " shape, the ring circumferential edges is " L " shape step in the groove, the circular draining valve port that its top of a water outlet is provided with projection is established in water-inflow and drain valve shell block front end below, form a ring groove along valve port ring end face, build-in bidirectional flexible seal element in the trough, the radian width of described abnormal valve cap is consistent with the water-inflow and drain valve shell block, the hydroecium chamber that is square type groove shape or different shape in described intrados processing, and in its front end cap, establish a circular blind hole, blind hole diameter is slightly larger than the spring external diameter, the draining valve port of centrally aligned valve seat, but compress sealing Qu Zhongshu spool edge between water-inflow and drain valve shell block and the pairing of different shape cap, being located by connecting is one.
Adopt the feature of bidirectional flexible sealing to be: described bidirectional flexible seal element is that the cross-sectional diameter of packing ring is slightly larger than the degree of depth of concave ring groove along " O " type of build-in flexible gaskets in the water-inflow and drain valve choma end face concave ring groove.
Adopt the delay-self-closing water tap working principle of spool of the present invention as follows:
But when Qu Zhongshu skin graft spool smooth in valve seat draining valve port, it is normally closed shape, not during water, but the sluicing aperture of Qu Zhongshu skin graft front end is sealed by "T"-shaped Decompression valves, be full of water in covers for housing rectangle or the special-shaped hydroecium chamber, its pressure and the isoequilibrium mutually that feeds water, self-styled by pressing downstream, because skin graft two sides effective function area does not wait, but the Qu Zhongshu skin graft is tight against on the draining valve port, and hydraulic pressure high sealing more is tight more, and when low hydraulic pressure supplies water, then rely on, low hydraulic pressure spring compensation sealing draining valve port only needs the water outlet of of short duration shake-up valve body to chew the "T"-shaped pressure release valve rod of below during unlatching, any direction makes valve rod swing a small angle, automatically reset again, the balance of destructive valve cap hydroecium cavity pressure artificially, the pressure release aperture is water outlet, the directly logical draining of this pressure relief opening, consider the practicability of "T"-shaped pressure release bar handle tail, its terminal contacts is processed into " drops " conical valve handle good hand touch, and is more attractive in appearance, " drops " contact also can adopt nano anti-biotic material to make, and further avoids polluting contact again.The water in abnormity covers for housing square type hydroecium chamber is fallen by pressure release and loses pressure, instantaneous, but the two sides of Qu Zhongshu skin graft exists pressure, be subjected to give in the water-inflow and drain valve seat rectangle groove power of hydraulic pressure, full wafer can bent flexible skin graft strain, be similar square shape projection and be biased to covers for housing hydroecium chamber one side, be equivalent to the minimizing of hydroecium total measurement (volume), do not answer residual gas in the hydroecium chamber, simultaneously can bent skin graft at the maincenter of draining valve port end, overcome low hydraulic pressure acting force of the spring, and the negative pressure region projection one little gap of floating upward, being equivalent to flap opens, wash one's hands also with regard to enough flows, draining provides use behind cleaning " drops " valve handle, during this time, feedwater through maincenter can the bent skin graft the other end damping hole, slowly to the chamber water filling of rectangle hydroecium, the maincenter skin graft slowly recovers smooth normality by square shape projection, after the pressure balance of skin graft two sides, time-delay reaches predetermined value, but hydraulic pressure continues the anti-draining valve port end Qu Zhongshu skin graft spool that pushes away, and under spring cooperates, utilizes hydraulic pressure to be close to the draining valve port to closing automatically again, finish and once open water, the operating mode of delay-self-closing.
The present invention adopts valve port bidirectional flexible sealing principle as follows:
In the water supply, sometimes there is fine impurity, the gentle corresponding sealing surface of traditional steel, i.e. single face seal with elastometic washer, easy water clock, and adopt with gentle two way sealed to softening, even if the contact valve port between the two soft anchor rings is somewhat crooked, all can compensate micro gap mutually automatically, and can of short duration " containings " atomic impurity is in two soft valve ports, such as: hair etc., all can accomplish watertight.This seals for the relatively poor hydraulic pressure that utilizes of water supply matter, and is very favourable when low pressure supplies water, and receives beyond thought leakage-proof actual effect.
The invention has the beneficial effects as follows:
But the Qu Zhongshu spool that, adopts similar oval rectangle effectively dwindles the diameter volume of water tap, or adopt the T-shape decompression mechanism to be arranged at the terminal of leading water outlet and the flexible skin graft delay-self-closing of maincenter mechanism separating controlling independently, be convenient to mate multiple fashion shape-designing meeting the market requirement.
Two, the frictional movement that has replaced traditional time-delay valve piston valve core with the concavo-convex strain of flexible spool has been cancelled the friction sealed device of operating button, reduce the link of leaking, thereby cost is low, the life-span is long, adopts the bidirectional flexible sealing, droplet does not leak the conserve water resource.
Three, set up in the damping hole vortex axonometer, exempt to net anti-blocking, the time-delay more smart more reliable.
Four, " shape drips " valve handle is located at drain opening and reaches self-cleaning, and it is convenient and healthy especially to wash one's hands, and thing finishes exempts from the water contacting tap handle, avoids bacterium, the cross infection of virus.
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.
But Fig. 1 is the upright dress camber time-delay water tap longitudinal section tectonic maps that adopts the present invention Qu Zhongshu skin graft spool
Fig. 2 is the I-I sectional view of Fig. 1
But Fig. 3 Qu Zhongshu skin graft spool is provided with the plane view in pressure release aperture
But Fig. 4 adopts the horizontal type of the present invention Qu Zhongshu skin graft spool assembling that the leading longitudinal section tectonic maps of time-delay is installed
But Fig. 5 is the independent delay device that adopts the assembling of the present invention Qu Zhongshu skin graft spool, analyses and observe and separates scheme of installation
But Fig. 6 is delay-self-closing device and the T-shape Decompression valves separating controlling schematic representation that adopts the assembling of the present invention Qu Zhongshu skin graft spool
Fig. 7 is another embodiment's of the present invention a cross-sectional schematic
Number among the figure: but 1-Qu Zhongshu skin graft spool 2-water-inflow and drain valve shell block 3-abnormal valve cap 4-draining valve port 5-" O " type flexible seal ring 6-damping hole mouth 7-vortex axonometer 8-T " and type Decompression valves 9-" drops " contact 10-spring 11-spring location blind hole 12-pressure release aperture 13-valve casing seat square type tank 14-covers for housing hydroecium chamber 15-unhurried current net 16-water outlet 17-water inlet refutes and takes over 18-ripple buffer edge 19-independent delay device 20-valve seat trim 21-Flow-rate adjustment screw
Embodiment
In Fig. 1, the water inlet of water-inflow and drain valve shell block 2 is refuted and is taken over 17 even washbowl connection water inlets certainly admittedly, when normally closed, be full of water in the abnormal valve cap hydroecium chamber 14, its pressure equates with feedwater, but make the leading portion of Qu Zhongshu skin graft spool 1, smooth draining valve port 4 is for making its sealing more reliable, can also build-in one " O " type flexible seal ring 5 in the draining valve port 4 ring end face concave ring grooves making the O RunddichtringO be drive fit remains in the concave ring groove, its ring cross-sectional diameter should be slightly larger than the concave ring groove degree of depth, slightly protrude from draining valve port plane, but form the sealing anchor ring that Qu Zhongshu skin graft spool 1 is tight against the bidirectional flexible of " O " RunddichtringO 5, with gentle to gentle, and the gentle corresponding sealing surface of non-traditional steel.But the Qu Zhongshu skin graft spool 1 similar as shown in Figure 3 one oval similar rectangular-shaped flexible skin graft that extends, but the groove bead Qu Zhongshu skin graft 1 plane leading portion that it can be placed in L-shaped step with the radian curve on the valve casing seat is provided with pressure release aperture 12, for the loose body of rod that passes T-shape Decompression valves 8, connect draining valve port 4 and water outlet 16.In its oval skin graft in-plane, rivet clasp damping hole mouth 6 its apertures communicate with feedwater, for preventing little hole plug, influence is normal to be used, the quiver pin or the vortex axonometer 7 of the interspersed activity of its hole heart, the effect of current makes its rotation make meticulous cleaning to damping hole when water, and this water supply for water quality inferiority is particularly important, exempt from for a long time to net anti-blocking, guarantee the time-delay more reliable and more stable.Change the vortex axonometer 7 of different-diameter, can adjust the delay-self-closing time.Touching water discharge of water faucet when needing water gently chews the underslung of 16 belows " shape drips " contact 9 and makes Decompression valves 8 that the water pressure release in the covers for housing rectangle hydroecium chamber 14 is drained into water nozzle 16 through pressure release aperture 12, need point out: the existence that covers for housing hydroecium chamber 14 planted agents stop gas as far as possible, to guarantee the accuracy of time-delay.The low hydraulic pressure spring 10 that is located at "T"-shaped Decompression valves 8 tops automatically resets and closes, be equivalent to form in the abnormal valve cap hydroecium chamber 14 negative pressure this moment, moment, but the 1 full wafer rectangle skin graft strain of Qu Zhongshu skin graft spool protruding to the top inclined to one side hydroecium chamber one side, referring among Fig. 2 shown in the dotted line, be equivalent to the minimizing of covers for housing rectangle hydroecium chamber 14 total measurement (volume)s, simultaneously, form a gap between draining valve port 4 and the skin graft spool 1, station is opened in draining referring to Fig. 4, flow out from water outlet 16 from gap to net 15 warps that flow slowly of intaking through refuting water receiving pipe 17 valve casing seat Rectangular Water Trough 13 draining valve ports 4, at first flushing " drops " contact 9 is for the use of washing one's hands, meanwhile, feedwater is injected in arcuation or the special-shaped covers for housing hydroecium chamber 14 through the aperture of damping hole mouth 6, the water yield slowly increases in the chamber, pressure when its two sides tends to balance, so far, but Qu Zhongshu skin graft spool 1 will return to normal, time-delay reaches predetermined value, through assisting of spring 10, the maincenter skin graft spool 1 on the draining valve port 4 utilizes hydraulic pressure to finish once unlatching to closing the draining valve port of being close to 4 again automatically, water outlet, the delay-self-closing work cycle.The length of time-delay depends on the ratio in total measurement (volume) and damping hole mouth 6 apertures in the formed rectangle hydroecium of the useful area chamber 14 of maincenter skin graft spool 1.
Basic identical in another embodiment shown in Figure 4 and preceding embodiment, different is, but Qu Zhongshu skin graft spool 1 can be pure flat rectangular-shaped, is assemblied in the horizontal type delay-self-closing water tap.Need explanation, spring 10 had both been served as Decompression valves 8 and had been resetted, but serve as Qu Zhongshu skin graft spool 1 guarantees to be tight against " O " type flexible gaskets 5 during low hydraulic pressure compensation sealing effect again, processing blind hole 11 in the abnormal valve cap head is so that spring 10 location and Decompression valves 8 centre pilots.Flow-rate adjustment screw 21 is set according to demand.But the corresponding water-inflow and drain valve seat 2 of abnormity covers for housing 3 its rectangle grooves also compresses the 1 ring limit sealing of Qu Zhongshu skin graft, and connection can be adopted and be spirally connected, and is bonding, and riveted joint is solidified as a whole.
But Qu Zhongshu skin graft spool 1 can separate setting according to application need, process rounded, oval, rectangular, square, water droplet shape, fan-shaped, its edge, the different shape of triangle plane also can be ripple buffer edge 18, also can serve as a contrast into tyre cord in the flexible skin graft of spool to gain in strength.And Decompression valves 8 mechanisms can also adopt similar influence electricity magnet valve control or fluid power separating controlling, divide and rule.Position in 16 heads is chewed in the water outlet that is separately set in water tap as T-shape Decompression valves 8, referring to shown in Figure 5.But the Qu Zhongshu skin graft spool 1 that adopts is circle or square planar.Wherein damping hole is chewed 6 and is located at off-centered position.Form simple independent delay device 19, be installed on the space of the upright basin below of washing one's hands.Between T-shape Decompression valves 8 and the time delay device 19, connect with small diameter tube.Adopt fluid power to separate the mode of pressure release, make that the use of "T"-shaped Decompression valves 8 is more convenient, it and delay-self-closing device 19 respectively are in optimum Working.The most simple and effective head volume that reduces the delay-self-closing sanitary tap.The self-cleaning water tap of health that can mate various fashion.
The independent delay device 19 that employing maincenter skin graft spool 1 is formed can also be arranged in the space or water tap valve seat trim 20 spaces in the cantilever of water tap.For further reducing the thickness of trim 20 integral body, referring to shown in Figure 6, but should Qu Zhongshu skin graft spool 1 be similar rectangular plane, the damping hole that its surface is provided with chews 6, then does local corresponding adjustment, and rivet clasp is in the position of the central water inlet of maincenter skin graft spool 1, independent delay device 19 through being combined into, advance at draining valve port 4, the draining flow direction is opposite with the previous examples flow direction, and same principle reaches the delay-self-closing purpose.But exempt to establish pressure release aperture 12 on the lamellar body of Qu Zhongshu skin graft spool 1, and on abnormal valve cap 3, be provided with the passage that connects Decompression valves 8.
In another embodiment shown in Figure 7, basic identical with embodiment 3 or 5, different is, be installed in need not on the various faucet body of wash basin change, only need to adopt maincenter skin graft spool 1 of the present invention, the independent delay device 19 of assembling, the Decompression valves 8 with connecting is fixedly arranged on the drain opening position of wash basin or the orientation of being convenient to operate shake-up, peculiar, especially be fit to the public place, reach health equally, water saving, delay-self-closing function.
It is to be noted: above-mentioned example only is a preferred embodiment of the present invention.Because the those of ordinary skill to constructed field is to be easy to carry out on this basis some modifications and improved.Therefore, this specification be not be the present invention to be confined to shown in and in described concrete structure and the Applicable scope, so every the corresponding modify and equivalent that might be utilized, the claim that all belongs to the present invention and applied for.
Claims (9)
1, a kind of delay valve without piston, comprise Decompression valves (8), current limliting damping hole mouth (6) and valve spool capable of bending (1), it is characterized in that: valve spool capable of bending (1) is the flexible skin graft of plane or arc surface, its fabric width is consistent with the internal chamber wall of water-inflow and drain valve shell block (2), described valve spool capable of bending (1) is provided with pressure release aperture (12) in the central position correspondence of the draining valve port (4) of water-inflow and drain valve shell block (2), described valve spool capable of bending (1) its planar central or depart from described pressure release aperture (12) near the described current limliting damping hole of position rivet clasp mouth (6); Described water-inflow and drain valve shell block (2) is the faucet body of one section vertical arc curved shape and along outer arced surface the arc groove is set, its section is " " shape, front end below at described water-inflow and drain valve shell block (2) is provided with water outlet (16), vertical direction at described water outlet (16) is provided with projection described draining valve port (4) in the form of a ring, described draining valve port (4) is established solid two way sealed element along the ring end face; On described water-inflow and drain valve shell block (2) is corresponding, be provided with abnormal valve cap (3), the interior arc surface of above-mentioned abnormal valve cap (3) is provided with the hydroecium chamber (14) of rectangular groove shape or different shape, be provided with spring location blind hole (11) in the center portion of the corresponding above-mentioned draining valve port of the front end head capsule inner top in described hydroecium chamber (14) (4) and constitute described Decompression valves (8) mechanism that is "T"-shaped shape for installing spring (10), the valve handle body of rod of described Decompression valves is connected and remains in the middle of pressure release aperture (12) and the draining valve port (4), compress the edge of sealing valve spool capable of bending (1) between water-inflow and drain valve shell block (2) and abnormal valve cap (3) coupling, being located by connecting is solidified as a whole.
2, delay valve without piston according to claim 1 is characterized in that: the aperture in described pressure release aperture (12) is slightly larger than the bar portion diameter of the valve handle body of rod of Decompression valves (8), but less than the aperture of described draining valve port (4).
3, delay valve without piston according to claim 1, it is characterized in that: described two way sealed element is for to establish concave ring groove and be embedded a flexible gaskets (5) in groove along the ring end face of draining valve port (4), described flexible gaskets (5) is " O " type, its cross-sectional diameter is slightly larger than the degree of depth of concave ring groove, is drive fit and establishes solid.
4, delay valve without piston according to claim 1 is characterized in that: its plane of valve spool capable of bending (1) is square, circular, fan-shaped, rectangular, ellipse, water droplet shape or the different shape of triangle.
5, delay valve without piston according to claim 1, it is characterized in that: described abnormal valve cap (3) is provided with the passage that connects Decompression valves (8), through combination valve spool capable of bending (1), constitute simple independent delay device (19), described independent delay device (19) is the separate mode setting with described Decompression valves (8), adopts electromagnetic valve pressure release or the pressure release of fluid power long distance.
6, delay valve without piston according to claim 5 is characterized in that: exempt to establish pressure release aperture (12) on the flexible skin graft of the valve spool capable of bending (1) that adopts among the described independent delay device (19).
7, delay valve without piston according to claim 1 is characterized in that: the valve handle body of rod of Decompression valves (8) is the underslung setting, and described valve handle body of rod rear is processed into " drops " contact (9) with antibacterial material.
8, delay valve without piston according to claim 1 is characterized in that: described current limliting damping hole mouth (6) interts at its center, hole into the quiver pin or the vortex axonometer (7) of an activity.
9, according to claim 1 or 4 described delay valve without piston, it is characterized in that: the flexible skin graft liner of valve spool capable of bending (1) is gone into tyre cord, and the skin graft periphery is ripple buffer edge (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100793387A CN100353107C (en) | 2003-10-01 | 2004-10-01 | Piston-free time delay valve spool capable of bending |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200310100843.0 | 2003-10-01 | ||
| CN200310100843 | 2003-10-01 | ||
| CNB2004100793387A CN100353107C (en) | 2003-10-01 | 2004-10-01 | Piston-free time delay valve spool capable of bending |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1598380A CN1598380A (en) | 2005-03-23 |
| CN100353107C true CN100353107C (en) | 2007-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100793387A Expired - Fee Related CN100353107C (en) | 2003-10-01 | 2004-10-01 | Piston-free time delay valve spool capable of bending |
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| Country | Link |
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| CN (1) | CN100353107C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2383396B1 (en) | 2008-08-06 | 2013-04-10 | Chengdu Pengwei Building Materials Ltd. | Tap core |
| CN102235530B (en) * | 2010-04-23 | 2013-01-02 | 林宸彰 | Water tap with upright water outlet |
| CN103016768A (en) * | 2013-01-04 | 2013-04-03 | 唐欣 | Self-cleaning water faucet |
| CN107940062B (en) * | 2018-01-05 | 2024-03-29 | 九牧厨卫股份有限公司 | Inlet and exhaust integrated faucet and basin body |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86200387U (en) * | 1986-01-28 | 1987-07-15 | 首都机械厂劳动服务公司长虹综合服务部 | Water-saving time-delay rinsing valve |
| CN88202503U (en) * | 1988-03-30 | 1988-12-21 | 王元霄 | Multipurpose and no pollution valve |
| JP2000193347A (en) * | 1998-12-24 | 2000-07-14 | Denso Corp | Pressure control valve |
| CN1363794A (en) * | 2001-01-01 | 2002-08-14 | 刘星良 | Delay valve without piston |
| CN2579978Y (en) * | 2002-11-08 | 2003-10-15 | 刘星良 | Strain packing cup delay flushing valve |
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2004
- 2004-10-01 CN CNB2004100793387A patent/CN100353107C/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86200387U (en) * | 1986-01-28 | 1987-07-15 | 首都机械厂劳动服务公司长虹综合服务部 | Water-saving time-delay rinsing valve |
| CN88202503U (en) * | 1988-03-30 | 1988-12-21 | 王元霄 | Multipurpose and no pollution valve |
| JP2000193347A (en) * | 1998-12-24 | 2000-07-14 | Denso Corp | Pressure control valve |
| CN1363794A (en) * | 2001-01-01 | 2002-08-14 | 刘星良 | Delay valve without piston |
| CN2579978Y (en) * | 2002-11-08 | 2003-10-15 | 刘星良 | Strain packing cup delay flushing valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1598380A (en) | 2005-03-23 |
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Assignee: Joyou Building Materials Group Co., Ltd. Assignor: Liu Yingtang Contract fulfillment period: 2008.5.18 to 2024.10.1 Contract record no.: 2008350000024 Denomination of invention: Piston-free time delay valve spool capable of bending Granted publication date: 20071205 License type: Exclusive license Record date: 20080825 |
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Assignee: Quanzhou Joyou Bathroom and Kitchen Industrial Co.,Ltd. Assignor: Liu Yingtang Contract fulfillment period: 2009.5.30 to 2024.10.1 Contract record no.: 2009351000032 Denomination of invention: Piston-free time delay valve spool capable of bending Granted publication date: 20071205 License type: Exclusive license Record date: 20090531 |
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