CN102704556B - Water inlet valve - Google Patents

Water inlet valve Download PDF

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Publication number
CN102704556B
CN102704556B CN201210187723.8A CN201210187723A CN102704556B CN 102704556 B CN102704556 B CN 102704556B CN 201210187723 A CN201210187723 A CN 201210187723A CN 102704556 B CN102704556 B CN 102704556B
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China
Prior art keywords
water
connecting rod
lever
eccentric shaft
water inlet
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CN201210187723.8A
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CN102704556A (en
Inventor
刘永茂
张子鹏
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LAB (XIAMEN) SANITARY FITTINGS Inc
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LAB (XIAMEN) SANITARY FITTINGS Inc
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Abstract

The invention discloses a water inlet valve. A water sealing piston and an eccentric shaft are arranged in a water inlet cavity formed by a water inlet pipe and a top cover and positioned below a water stop pad, and the water sealing piston is driven by the eccentric shaft to open and close a water inlet; a water storage cylinder is fixed outside the water inlet pipe, the top of an upper water storage cavity is open, a lower water cavity on the lower part is provided with an upper air vent and a lower water inlet, a siphon and a floater are arranged in the water storage cavity, the siphon is communicated with the lower water cavity, and a first magnetic element is arranged on the top of the floater; a small buoy is arranged outside the water storage cylinder, and the small buoy is provided with an opening and closing plate capable of opening and closing the upper air vent together with lifting of the small buoy; a gutter opposite to the water storage cavity is formed on the periphery of the top cover; and a connecting rod, a lever and a bolt are also arranged outside the water inlet pipe and the top cover, wherein the connecting rod is connected with the lever and the eccentric shaft, an energy storage spring is arranged on the connecting rod or the lever, the bolt is inserted into the other end of the lever, and a second magnetic element and a restoring spring are arranged on the bolt. Through the water inlet valve, water can be timely stopped under the condition that water tank accessories and a water tank fail, so that waste of water resources is reduced.

Description

A kind of water intaking valve
Technical field
The present invention relates to a kind of water intaking valve, refer in particular to a kind of can appearance fast water or littlely leak and stop the water intaking valve into water when water intaking valve cannot sealing causes always the cistern fittings fault such as spilling water and radiator leak draining valve is stuck.
Background technology
In prior art, having a kind of water intaking valve is by water inlet pipe, top cover, waterstop pad, back pressure pad, swing arm and floating drum composition, the lower end of water inlet pipe is arranged on the feed pipe of water tank, top cover is arranged on the upper end of water inlet pipe and the inside of top cover and water inlet pipe forms intake antrum, in intake antrum, form the sealing face with inlet opening, in intake antrum, corresponding inlet opening installation waterstop pad is positioned on sealing face, on top cover, offer back pressure hole, the stage casing of swing arm is hubbed on top cover, one of swing arm is rectified back pressure hole and back pressure pad is installed, the other end of swing arm is connected with the adjusting rod of floating drum, between each member, be provided with the seal that ensures watertightness.When use, when cistern water level declines, floating drum gravitate and thereupon decline, drive swing arm deflection, make back pressure pad open back pressure hole, water enters water tank from flow through water inlet pipe, inlet opening, top cover and back pressure hole of feed pipe, realize water inlet, after cistern water level rises, floating drum is subject to buoyancy and rises thereupon, drives swing arm deflection, make back pressure pad again close back pressure hole, water cannot enter water tank from the back pressure hole of top cover, and waterstop pad produces back pressure and is out of shape the inlet opening sealing on sealing face, realizes and stopping into water.
But, cistern fittings (water intaking valve, draining valve, button and other attached seal etc.) easily breaks down in use for some time, such as there will be: draining valve is not closed completely and slowly leak (little leaking), draining valve Parts Breakdown or button fault cannot be closed and draining always (fast water), or water intaking valve cannot stop into water and water inlet always, finally cause excessive water inlet to be discharged by Radiator overflow hose, above situation all directly causes water resource waste.
For this reason, the inventor improves the structure of water intaking valve, to stop in time water intake valve in the time there is above-mentioned situation, this case produces thus.
Summary of the invention
The object of the present invention is to provide a kind of water intaking valve, to leaking or stopping in time into water in spilling water situation for a long time, reduce water resource waste.
In order to reach above-mentioned purpose, solution of the present invention is:
A kind of water intaking valve, comprises water inlet pipe, top cover, waterstop pad, back pressure pad, swing arm and floating drum composition; In the inner intake antrum forming of water inlet pipe and top cover, be positioned at waterstop pad below water shutoff piston and eccentric shaft are also installed, intert on water shutoff piston one end of eccentric shaft and the other end is sealed shape stretches out outside intake antrum, and water shutoff piston is driven the inlet opening moving up and down vertically and seal or open sealing face by eccentric shaft; Outside at water inlet pipe also fixedly mounts water storage cylinder, the top of water storage cylinder is storage chamber and bottom is lower water cavity, the open top of storage chamber, lower water cavity has upper vent and lower water inlet, syphon is installed in storage chamber, at the bottom of the chamber of storage chamber is pressed close in siphonal one end and the other end is communicated with lower water cavity through at the bottom of the chamber of storage chamber, also put into float in storage chamber, the first magnetic element is installed at the top of float; Keg buoy is installed in liftable mode in outside in water storage cylinder, and on keg buoy, the upper vent of corresponding lower water cavity has switchboard and can rise and open upper vent and decline and close upper vent with keg buoy with keg buoy; Periphery at top cover also forms gutter, and the water dropping openings of gutter is just to storage chamber; Go back installing connecting rods, lever and latch in the outside of water inlet pipe and top cover, one end of connecting rod is connected on one end of lever and the other end is fixed on the other end of eccentric shaft, connecting rod or lever are provided with energy-stored spring, the other end of lever is can pluggable mode being provided with latch, and on latch, corresponding the first magnetic element is installed and controlled latch the second magnetic element of extracting and the back-moving spring that latch reset is inserted.
Between described eccentric shaft and the perforate of intake antrum, be provided with sealing ring; The top of water shutoff piston is provided with sealing mat.
In described gutter, be equipped with and control the sponge of water droplet through speed.
Inner convex platform is formed on the top of described water inlet pipe, and water shutoff spring is installed on inner convex platform, and the upper end of water shutoff spring is against the below of water shutoff piston and the lower end of water shutoff spring is against on inner convex platform.
The sidewall profile of described water storage cylinder becomes chute, upper vent is arranged in chute, keg buoy has upper counterweight chamber and lower buoyancy cavity, upper counterweight chamber is slidably arranged in the chute of water storage cylinder, connected entrance is offered in the lateral wall below in upper counterweight chamber, and the corresponding upper vent in inside wall top in upper counterweight chamber forms switchboard, and switchboard up-draught mouth tilts, the below of switchboard forms leakage port, and lower buoyancy cavity is positioned at the below of water storage cylinder.
One end of described lever forms shift fork, short and the interior length of side in outside of shift fork, connecting rod is made up of first connecting rod and second connecting rod, one end of first connecting rod is plugged in shift fork and the other end is articulated on one end of second connecting rod, the other end of second connecting rod is fixed on the other end of eccentric shaft, on first connecting rod, also extend to form elevating lever, elevating lever is arranged in the outside lifting groove forming of top cover, and energy-stored spring is placed in lifting groove and is against on elevating lever.
The inner edge of described shift fork also forms and is beneficial to the inclined thrust surface of stirring first connecting rod.
On described connecting rod or torque-transmitting axle, also form the shifting block of being convenient to stir connecting rod and lever reset.
On the other end of described lever or latch, form domatic that guiding latch inserts.
The other protruding grain that is also provided with restriction lever rotational angle of rotating shaft of described lever.
Adopt after said structure, the present invention is the architecture advances to water intaking valve.
Water intaking valve after improvement is arranged in water tank, under original state, one end that latch is plugged on lever under action of reset spring makes lever location, connecting rod is also located simultaneously, connecting rod drives eccentric shaft rotational positioning, eccentric shaft drives water shutoff piston to decline and the inlet opening of unlatching sealing face, now energy-stored spring stored energy.
When fault-free is normally used, initial water inlet, floating drum drives swing arm to deflect down, make back pressure pad open back pressure hole, water enters water tank from flow through water inlet pipe, inlet opening, top cover and back pressure hole of feed pipe, realize water inlet, simultaneously part water is formed in the storage chamber that water droplet enters water storage cylinder through water dropping openings by gutter directed stream, and Water in Water Tanks position water in uphill process also enters in the lower water cavity of water storage cylinder; In the time that cistern water level rises to predetermined sealing waterline, floating drum drives swing arm to upward deflect, and makes back pressure pad again close back pressure hole, and waterstop pad produces back pressure and blocks the inlet opening of sealing face, realizes and stopping into water.
In the time that draining valve is washed by water, the lower water cavity water level of cistern water level and water storage cylinder declines, when the gravity of being down to keg buoy when water level is greater than buoyancy, keg buoy falls and drives switchboard to close the upper vent of water cavity under water storage cylinder, the lower water cavity water level of water storage cylinder continues slow decreasing makes formation negative pressure in lower water cavity, in the time that negative pressure acquires a certain degree, by syphon, the water in the storage chamber of water storage cylinder is sucked in lower water cavity, until being blotted siphon, the water in storage chamber interrupts, the lower water cavity water level of cistern water level and water storage cylinder continues to decline, until complete bath; Simultaneously, when cistern water level drops to floating drum gravity and is greater than buoyancy, floating drum drives swing arm to deflect down again, make back pressure pad open back pressure hole, waterstop pad pressure release separates with sealing face, opens the inlet opening of sealing face, restarts into water, and part water flows to storage chamber, afterwards along with water level ascending water also enters in lower water cavity; After cistern water level rises, floating drum drives swing arm to upward deflect, and makes back pressure pad again close back pressure hole, and waterstop pad produces back pressure, blocks the inlet opening of sealing face, again stops into water.
There is fast water when there is draining valve parts or stuck cannot the closing of button fault, water intaking valve unit failure cannot sealing and is occurred long-time spilling water etc. fault, when use, water intaking valve can be always in water inlet state, part water is flow in the storage chamber of water storage cylinder by gutter guiding, because water intaking valve is intake always, water level in storage chamber constantly rises, drive the float in storage chamber to rise thereupon, in the time that the first magnetic element of float and the second magnetic element of latch align, be subject to magneticaction to make latch extract and remove location from lever, the deflection under energy-stored spring effect of lever and connecting rod, connecting rod drives eccentric shaft to rotate, eccentric shaft drives water shutoff piston to rise and the inlet opening of sealing sealing face, water intaking valve is stopped into water.
When appearring in draining valve, seepage or water tank and other parts sealing part there is seepage, while there is little leaking, the counterweight water level of little keg float is relative consistent with the water level of water tank, little keg float cannot produce counterweight, little keg float is all the time in float state, lower chamber and the atmosphere of water storage cylinder are connected all the time, its waterline is unanimously do not produce negative pressure relative to water tank also, the water of storage chamber is not by siphon, repeated multiple times sealing like this leaks into certain water level again and can repeat again after water inlet, the water of storage chamber is constantly cumulative, water level in storage chamber constantly rises, drive the float in storage chamber to rise thereupon, in the time that the first magnetic element of float and the second magnetic element of latch align, be subject to magneticaction to make latch extract and remove location from lever, the deflection under energy-stored spring effect of lever and connecting rod, connecting rod drives eccentric shaft to rotate, eccentric shaft drives water shutoff piston to rise and the inlet opening of sealing sealing face, water intaking valve is stopped into water.
The present invention because increased the water shutoff piston being driven by eccentric shaft and controlled connecting rod, lever, latch, float, water storage cylinder and keg buoy of eccentric shaft rotation etc. on existing water intaking valve, so, water intaking valve not only can ensure normal water inlet and water stopping function, more can be in the time that water tank member breaks down timely sealing, avoid leaking for a long time or long-time spilling water, reduce water resource waste.
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
Brief description of the drawings
Fig. 1 is schematic appearance of the present invention;
Fig. 2 is the three-dimensional exploded view of latch part of the present invention;
Fig. 3 is the matching relationship schematic diagram of latch of the present invention, lever and connecting rod;
Fig. 4 is the matching relationship schematic diagram of latch of the present invention and lever;
Fig. 5 is the structural representation of connecting rod of the present invention and gutter;
Fig. 6 is the structure sectional view of water storage cylinder of the present invention and keg buoy;
Fig. 7 is the three-dimensional exploded view of water storage cylinder of the present invention and keg buoy;
Fig. 8 is the location diagram of water storage cylinder of the present invention and keg buoy;
Fig. 9 is the structural representation in water storage cylinder of the present invention;
The structure sectional view of water storage cylinder and keg buoy when Figure 10 is sealing state of the present invention;
The structure sectional view of intake antrum when Figure 11 is sealing state of the present invention;
The structure sectional view of intake antrum when Figure 12 is normal condition of the present invention.
Label declaration:
Water inlet pipe 1 intake antrum 10 inner convex platforms 11
Water shutoff spring 12 waterstop pad 13 sealing faces 14
Inlet opening 15
Top cover 2 back pressure pad 21 back pressure hole 22
Swing arm 3 floating drums 31
Water shutoff piston 4 eccentric shaft 41 sealing rings 42
Sealing mat 43
51 times water cavities 52 of water storage cylinder 5 storage chamber
Upper vent 53 syphon 54 floats 55
The first magnetic element 56 chutes 57
Counterweight chamber 62 on keg buoy 6 switchboards 61
Lower buoyancy cavity 63 connected entrance 64 leakage ports 65
Gutter 7 water dropping openings 71 apertures 72
Connecting rod 8 first connecting rods 81
Second connecting rod 82 elevating lever 83 lifting grooves 84
Energy-stored spring 85 shifting blocks 86
Lever 9 latch 91 second magnetic elements 92
Back-moving spring 93 shift fork 94 outsides 941
Inner edge 942 inclined thrust surfaces 943 domatic 95
Protruding grain 96.
Detailed description of the invention
As shown in Fig. 1 and Figure 12, be a kind of water intaking valve that the present invention discloses, comprise water inlet pipe 1, top cover 2, waterstop pad 13, back pressure pad 21, swing arm 3 and floating drum 31 and form, this basic structure that is existing water intaking valve.The lower end of water inlet pipe 1 is arranged on the feed pipe of water tank, top cover 2 is arranged on the upper end of water inlet pipe 1, top cover 2 forms intake antrum 10 with the inside of water inlet pipe 1, in intake antrum, form the sealing face 14 with inlet opening 15, in intake antrum, corresponding inlet opening 15 is installed waterstop pad 13 and is positioned on sealing face 14, on top cover 2, offer back pressure hole 22, the stage casing of swing arm 3 is hubbed on top cover 2, one of swing arm 3 is rectified back pressure hole 22 and back pressure pad 21 is installed, the other end of swing arm 3 is connected with the adjusting rod of floating drum 31, is provided with the seal that ensures watertightness between each member.In use, when cistern water level declines, floating drum 31 gravitates decline, drive swing arm 3 deflections, back pressure pad 21 is opened back pressure hole 22, water enters water tank from flow through water inlet pipe 1, inlet opening 15, top cover 2 and back pressure hole 22 of feed pipe, realize water inlet, after cistern water level rises, floating drum 31 is risen by buoyancy, drives swing arm 3 deflections, make back pressure pad 21 close back pressure hole 22, water cannot enter water tank from the back pressure hole of top cover 2 22, and waterstop pad 13 produces back pressure and is out of shape the inlet opening 15 sealing on sealing face 14, realizes and stopping into water.
Improvement of the present invention is:
As shown in Figure 11 and Figure 12, in the inner intake antrum 10 forming of water inlet pipe 1 and top cover 2, water shutoff piston 4 and eccentric shaft 41 be also installed be positioned at the below of waterstop pad 13.Intert on water shutoff piston 4 one end of eccentric shaft 41 and the other end is sealed shape stretches out outside intake antrum 10, so-called sealed shape is to point out to be sealed shape between eccentric shaft 41 and the perforate of intake antrum 10, such as the present embodiment is to be provided with sealing ring 42 between eccentric shaft 41 and the perforate of intake antrum 41.Water shutoff piston 4 is driven and is moved up and down vertically and seal inlet opening 15 on sealing face 14 or open the inlet opening 15 on sealing face 14 by eccentric shaft 41.Wherein, water shutoff piston 4 can directly drive sealing inlet opening 15 by eccentric shaft 41, water shutoff piston 4 also can drive sealing inlet opening 15 by eccentric shaft 41 as shown in this embodiment indirectly, be that eccentric shaft 41 rotates to move upward to provide to water shutoff piston 4 and allows bit space, upwards seal inlet opening 15 and promote water shutoff piston 4 by Water Pressure, water shutoff piston 4 can also drive sealing inlet opening 15 with other similar fashion by eccentric shaft 41, herein particularize not.In order to make stagnant water effect better, the present embodiment is further provided with sealing mat 43 above water shutoff piston 4, or further also form inner convex platform 11 at the top of water inlet pipe 1, water shutoff spring 12 is installed on inner convex platform 11, and the upper end of water shutoff spring 12 is against the below of water shutoff piston 4 and the lower end of water shutoff spring 12 is against on inner convex platform 11.When 41 deflection of the present embodiment eccentric shaft, as shown in figure 12, under normal condition, eccentric shaft 41 coordinates with water shutoff piston 4 with major diameter, water shutoff piston 4 declines, and compress water shutoff spring 12, and open the inlet opening 15 on sealing face 14, as shown in figure 11, under sealing state, eccentric shaft 41 coordinates with water shutoff piston 4 with minor axis, and water shutoff piston 4 is risen by 12 effects of water shutoff spring, and seals the inlet opening 15 on sealing face 14.
As shown in Fig. 6 to Figure 10, also fixedly mount water storage cylinder 5 in the outside of water inlet pipe 1.The top of water storage cylinder 5 is storage chamber 51, the open top of storage chamber 51.And the bottom of water storage cylinder 5 is lower water cavity 52, lower water cavity 52 has upper vent 53 and lower water inlet (the present embodiment is that directly formation is uncovered).Syphon 54 is installed, at the bottom of the chamber of storage chamber 51 is pressed close in one end of syphon 54 and the other end is communicated with lower water cavity 52 through at the bottom of the chamber of storage chamber 51 in storage chamber 51.In storage chamber 51, also put into float 55, the first magnetic element 56 is installed at the top of float 55.
As shown in Fig. 2 to Fig. 9, keg buoy 6 is installed in liftable mode in outside in water storage cylinder 5, on keg buoy 6, the upper vent 53 of corresponding lower water cavity 52 has switchboard 61(Fig. 6 to Fig. 9), along with keg buoy 6 rises, switchboard 61 can be opened upper vent 53, along with keg buoy 6 declines, switchboard 61 can be closed upper vent 53.This embodiment specifically becomes chute 57 in the sidewall profile of water storage cylinder 5, upper vent 53 is arranged in chute 57, keg buoy 6 has upper counterweight chamber 62 and lower buoyancy cavity 63, upper counterweight chamber 62 is slidably arranged in and in chute 57, makes the keg buoy 6 can lifting, connected entrance 64 is offered in the lateral wall below in upper counterweight chamber 62, the corresponding upper vent 53 in inside wall top in upper counterweight chamber 62 forms switchboard 61, close better upper vent 53 in order to make switchboard 61, switchboard 61 designs are to up-draught mouth 53 directions skewed, in order to open better upper vent 53, below switchboard 61, form leakage port 65, lower buoyancy cavity 63 is positioned at the below of water storage cylinder 5.Certainly, keg buoy 6 can also be other concrete structures, as long as can realize the unlatching and sealing of upper vent 53 in the time that water level rises or decline.Such as keg buoy is arranged in the below of water storage cylinder, the upper counterweight chamber that can save the present embodiment, can drive equally switchboard to coordinate with upper vent to realize and open or close.
As shown in Fig. 5 and Fig. 9, also form gutter 7 at the periphery of top cover 2, the water dropping openings 71 of gutter 7 is the storage chamber 51 to water storage cylinder 5 just, and gutter 7 specifically can be introduced water by aperture 72.In order to control water droplet through speed, can also in gutter 7, pack sponge into.
As shown in Figures 1 to 10, go back installing connecting rods 8, lever 9 and latch 91 in the outside of water inlet pipe 1 and top cover 2.One end of connecting rod 8 is connected on one end of lever 9 and the other end is fixed on the other end of eccentric shaft 41, connecting rod 8 or lever 9 are provided with energy-stored spring 85, the other end of lever 9 is can pluggable mode being provided with latch 91, on latch 91 corresponding the first magnetic element 56 install second magnetic element 92(the first magnetic element 56 and the second magnetic element 92 be can magnetic absorption element, can two all adopt magnet, or one for magnet, another is can be by ironware of magnet adsorption etc.), the second magnetic element 92 coordinates with the first magnetic element 56 can be controlled latch 91 and extract and remove the location to lever 9 from lever 9, back-moving spring 93 is also installed on latch 91, can make latch 91 reset to be again inserted on lever 9 lever 9 is located by back-moving spring 93.For more balance of transmission effect, smooth and easy, the present embodiment forms shift fork 94 in one end of lever 9, the outside 941 of shift fork 94 is short and inner edge 942 is long, connecting rod 8 is made up of first connecting rod 81 and second connecting rod 82, one end of first connecting rod 81 is plugged in shift fork 94 and the other end is articulated on one end of second connecting rod 82, the inner edge 942 of shift fork 94 further also forms and is beneficial to the inclined thrust surface 943 of stirring first connecting rod 81, the other end of second connecting rod 82 is fixed on the other end of eccentric shaft 41, on first connecting rod 81, also extend to form elevating lever 83, elevating lever 83 is arranged in the outside lifting groove 84 forming of top cover 2, energy-stored spring 85 is placed in lifting groove 84 and is against on elevating lever 83.Wherein, it is in order to facilitate first connecting rod 81 shifting levers 9 and not to be subject to shift fork 94 restriction can ensure enough strokes of first connecting rod 81 that the outside 941 of shift fork is designed shortly, and inner edge 942 designs to such an extent that length is to reset in order to facilitate after trouble shooting first connecting rod 91 can promote like a cork lever 9.On second connecting rod 82 or torque-transmitting axle 41, also form and be convenient to stir the shifting block 86 that connecting rod 8 and lever 9 reset.The other end (or latch 91) of lever 9 is upper form that guiding latch 91 inserts domatic 95.The other protruding grain 96 that is also provided with restriction lever 9 rotational angles of rotating shaft of lever 9.
The present invention is arranged in water tank, under original state, as shown in Fig. 2 to Fig. 9, one end that latch 91 is plugged on lever 9 under back-moving spring 93 effects is located lever 9, connecting rod 8 is also located simultaneously, and connecting rod 8 drives eccentric shaft 41 rotational positioning, as shown in figure 12, eccentric shaft 41 drives water shutoff piston 4 to decline and opens inlet opening 15, now energy-stored spring 85 stored energies.
When fault-free is normally used, initial water inlet, floating drum 31 gravitates and thereupon decline, drive swing arm 3 deflections, make back pressure pad 21 open back pressure hole 22, water enters water tank from flow through water inlet pipe 1, inlet opening 15, top cover 2 and back pressure hole 22 of feed pipe, realize water inlet, part water forms water droplet by gutter 7 directed stream through water dropping openings 71 simultaneously, splash into again in the storage chamber 51 of water storage cylinder 5, after cistern water level raises, water also enters in the lower water cavity 52 of water storage cylinder 5, and in the present embodiment, water is also entered in the upper counterweight chamber 62 of keg buoy 6 by connected entrance 64; After cistern water level rises, floating drum 31 is subject to buoyancy and rises thereupon, drives swing arm 3 deflections, make back pressure pad 21 again close back pressure hole 22, water cannot enter water tank from back pressure hole 22, and waterstop pad 13 produces back pressure and blocks the inlet opening 15 of sealing face 14, realizes sealing.
In the time that draining valve is washed by water, lower water cavity 52 water levels of cistern water level and water storage cylinder 5 decline, the also slow decreasing of upper counterweight chamber 62 water levels of keg buoy 6 in the present embodiment, when the gravity of being down to keg buoy 6 when water level is greater than buoyancy, keg buoy 6 falls rapidly and drives switchboard 61 to descending upper vent 53 of closing lower water cavity 52, the water level of lower water cavity 52 continues slow decreasing makes the interior formation negative pressure of lower water cavity 52, in the time that negative pressure acquires a certain degree, by syphon 54, the water in storage chamber 51 is sucked in lower water cavity 52, until being blotted siphon, the water in storage chamber 51 interrupts, cistern water level and lower water cavity 52 water levels continue to decline, until complete bath, simultaneously, when cistern water level drops to floating drum 31 gravity and is greater than buoyancy, floating drum 31 drives swing arm 3 deflections again, make back pressure pad 21 open back pressure hole 22, waterstop pad 13 pressure releases separate with sealing face 14, open inlet opening 15, again realize water inlet, part water is flow in storage chamber 51 by gutter 7 guidings simultaneously, and water also enters in lower water cavity 52 and upper counterweight chamber 62, after cistern water level rising puts in place, floating drum 31 drives swing arm 3 deflections, and back pressure pad 21 is closed back pressure hole 22 again, and waterstop pad 13 produces back pressure, blocks inlet opening 15, realizes sealing.
When draining valve parts or stuck cannot the closing of button fault and occur fast water, or water intaking valve unit failure cannot sealing and is occurred long-time spilling water, or water tank inner member occur other etc. fault cause while leaking, water intaking valve can be always in water inlet state, part water is still flow in storage chamber 51 by gutter 7 guidings, because water intaking valve is intake always, water level in storage chamber 51 constantly rises, drive the float 55 in storage chamber 51 to rise thereupon, in the time that the first magnetic element 56 of float 55 and the second magnetic element 92 of latch 91 align, as shown in figure 10, be subject to magneticaction that latch 91 is extracted to the location of removing lever 9 from lever 9, latch 91 compression reseting springs 93, lever 9 and connecting rod 8 under energy-stored spring 85 effect deflection (this embodiment pushes away elevating lever 83 downwards by energy-stored spring 85, make first connecting rod 81 descending, first connecting rod 81 coordinates 9 deflections of drive lever with shift fork 94, first connecting rod 81 also drives second connecting rod 82 deflections), specifically second connecting rod 82 of this embodiment of connecting rod 8() drive eccentric shaft 41 to rotate, as shown in figure 11, eccentric shaft 41 rotates and forms the bit space that allows rising for water shutoff piston 4, water shutoff piston 4 is subject to the effect of hydraulic pressure and rises and sealing inlet opening 15, make water intaking valve sealing.
When appearring in draining valve, seepage or water tank and other parts sealing part there is seepage, while there is little leaking, the counterweight water level of little keg float 6 is relative consistent with the water level of water tank, little keg float 6 cannot produce counterweight and all the time in float state, the lower chamber 52 of water storage cylinder 5 is connected and the also relative negative pressure that unanimously do not produce with water tank of its waterline all the time with atmosphere, the water of storage chamber 51 is not by siphon, so repeated multiple times, first sealing leaks into certain water level again and can repeat again after water inlet, the water of storage chamber 51 is constantly cumulative, water level in storage chamber 51 constantly rises, drive the float 55 in storage chamber 51 to rise thereupon, in the time that the first magnetic element 56 of float 55 and the second magnetic element 92 of latch 91 align, be subject to magneticaction to make latch 91 extract and remove location from lever 9, the deflection under energy-stored spring 85 effects of lever 9 and connecting rod 8, connecting rod 8 drives eccentric shaft 41 to rotate, eccentric shaft 41 drives water shutoff piston 4 to rise and seals inlet opening 15, water intaking valve is stopped into water.
After water tank internal fault solves, overcome the magnetic force of the first magnetic element 56 and the second magnetic element 92, float 55 is taken off from latch 91, stir again shifting block 86, first connecting rod 81, second connecting rod 82 and lever 9 are resetted, energy-stored spring 85 stored energy again, eccentric shaft 41 also resets, drive water shutoff piston 4 descending unlatching inlet openings 15, water intaking valve recovers normal condition, as shown in Fig. 2 to Fig. 9.
Above-described embodiment and graphic and non-limiting product form of the present invention and style, suitable variation or modification that any person of an ordinary skill in the technical field does it, all should be considered as not departing from patent category of the present invention.

Claims (10)

1. a water intaking valve, comprises water inlet pipe, top cover, waterstop pad, back pressure pad, swing arm and floating drum; It is characterized in that: in the inner intake antrum forming of water inlet pipe and top cover, be positioned at waterstop pad below water shutoff piston and eccentric shaft are also installed, intert on water shutoff piston one end of eccentric shaft and the other end is sealed shape stretches out outside intake antrum, and water shutoff piston is driven the inlet opening moving up and down vertically and seal or open sealing face by eccentric shaft; Outside at water inlet pipe also fixedly mounts water storage cylinder, the top of water storage cylinder is storage chamber and bottom is lower water cavity, the open top of storage chamber, lower water cavity has upper vent and lower water inlet, syphon is installed in storage chamber, at the bottom of the chamber of storage chamber is pressed close in siphonal one end and the other end is communicated with lower water cavity through at the bottom of the chamber of storage chamber, also put into float in storage chamber, the first magnetic element is installed at the top of float; Keg buoy is installed in liftable mode in outside in water storage cylinder, and on keg buoy, the upper vent of corresponding lower water cavity has the switchboard that can open or close with keg buoy lifting upper vent; Periphery at top cover also forms gutter, and the water dropping openings of gutter is just to storage chamber; Go back installing connecting rods, lever and latch in the outside of water inlet pipe and top cover, one end of connecting rod is connected on one end of lever and the other end is fixed on the other end of eccentric shaft, connecting rod or lever are provided with energy-stored spring, the other end of lever is can pluggable mode being provided with latch, and on latch, corresponding the first magnetic element is installed and controlled latch the second magnetic element of extracting and the back-moving spring that latch reset is inserted.
2. a kind of water intaking valve as claimed in claim 1, is characterized in that: between described eccentric shaft and the perforate of intake antrum, be provided with sealing ring; The top of water shutoff piston is provided with sealing mat.
3. a kind of water intaking valve as claimed in claim 1, is characterized in that: in described gutter, be equipped with and control the sponge of water droplet through speed.
4. a kind of water intaking valve as claimed in claim 1, is characterized in that: inner convex platform is formed on the top of described water inlet pipe, and water shutoff spring is installed on inner convex platform, and the upper end of water shutoff spring is against the below of water shutoff piston and the lower end of water shutoff spring is against on inner convex platform.
5. a kind of water intaking valve as claimed in claim 1, it is characterized in that: the sidewall profile of described water storage cylinder becomes chute, upper vent is arranged in chute, keg buoy has upper counterweight chamber and lower buoyancy cavity, and upper counterweight chamber is slidably arranged in the chute of water storage cylinder, and connected entrance is offered in the lateral wall below in upper counterweight chamber, the corresponding upper vent in inside wall top in upper counterweight chamber forms switchboard, switchboard up-draught mouth tilts, and the below of switchboard forms leakage port, and lower buoyancy cavity is positioned at the below of water storage cylinder.
6. a kind of water intaking valve as claimed in claim 1, it is characterized in that: one end of described lever forms shift fork, short and the interior length of side in outside of shift fork, connecting rod is made up of first connecting rod and second connecting rod, one end of first connecting rod is plugged in shift fork and the other end is articulated on one end of second connecting rod, the other end of second connecting rod is fixed on the other end of eccentric shaft, on first connecting rod, also extend to form elevating lever, elevating lever is arranged in the outside lifting groove forming of top cover, and energy-stored spring is placed in lifting groove and is against on elevating lever.
7. a kind of water intaking valve as claimed in claim 6, is characterized in that: the inner edge of described shift fork also forms and is beneficial to the inclined thrust surface of stirring first connecting rod.
8. a kind of water intaking valve as claimed in claim 1, is characterized in that: on described connecting rod or eccentric shaft, also form the shifting block of being convenient to stir connecting rod and lever reset.
9. a kind of water intaking valve as claimed in claim 1, is characterized in that: on the other end of described lever or latch, form domatic that guiding latch inserts.
10. a kind of water intaking valve as claimed in claim 1, is characterized in that: the other protruding grain that is also provided with restriction lever rotational angle of rotating shaft of described lever.
CN201210187723.8A 2012-06-08 2012-06-08 Water inlet valve Active CN102704556B (en)

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US9441354B2 (en) * 2012-06-08 2016-09-13 Lab (Xiamen)Sanitary Fittings Inc. Water inlet valve
CN104033648B (en) * 2014-06-06 2016-04-20 厦门立业卫浴工业有限公司 A kind of inlet valve prevent fast water device
PL3153752T3 (en) * 2014-06-06 2021-08-30 Lab (Xiamen) Sanitary Fittings Inc Major water leak prevention apparatus for a water inlet valve
CN104033647B (en) * 2014-06-06 2016-07-13 厦门立业卫浴工业有限公司 A kind of water intaking valve prevent little water leakage device
CN104372834B (en) * 2014-10-17 2016-08-24 厦门瑞尔特卫浴科技股份有限公司 A kind of leakproof water intaking valve
CN105221820B (en) * 2015-10-28 2017-12-05 厦门立业卫浴工业有限公司 A kind of water intaking valve back pressure hole closing opening device and water intaking valve
US10920903B2 (en) * 2017-01-24 2021-02-16 Lab (Xiamen) Sanitary Fittings Inc. Water stop valve
CN108374924B (en) * 2018-01-31 2019-09-27 绍兴市米莉农业科技有限公司 A kind of lever piston type water inlet valve for toilet cistern
CN110393490B (en) * 2018-04-24 2022-05-06 天津海尔洗涤电器有限公司 Washing equipment control method and washing equipment

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CN2597771Y (en) * 2003-01-14 2004-01-07 何仁汉 Water inlet valve for water storage tank
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