CN103292015A - Automatic liquid level control valve - Google Patents
Automatic liquid level control valve Download PDFInfo
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- CN103292015A CN103292015A CN2013102624378A CN201310262437A CN103292015A CN 103292015 A CN103292015 A CN 103292015A CN 2013102624378 A CN2013102624378 A CN 2013102624378A CN 201310262437 A CN201310262437 A CN 201310262437A CN 103292015 A CN103292015 A CN 103292015A
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Abstract
The invention discloses an automatic liquid level control valve and relates to a liquid level control device and a water supplement device of a solar water heater. The automatic liquid level control valve is mainly composed of a valve seat, an inner valve shell, a valve plate, a decompression valve element, a floater and an outer valve shell, wherein a water inlet channel is arranged in the valve seat, an outlet of the water inlet channel is of an upturned horn mouth structure, the lower end of the inner valve shell is connected to the edge mouth of the upturned horn mouth structure, the lower end of the outer valve shell is installed at the upper end of the valve seat, a valve cavity is formed inside the inner valve shell, a water chamber is formed between the inner valve shell and the outer valve shell, the floater is arranged in the water chamber, the valve plate and the decompression valve element are arranged in the valve cavity, a damping column is arranged in the water inlet channel and is provided with a connecting rod, and the connecting rod on the damping column is connected to the end at the lower portion of the decompression valve element. The automatic liquid level control valve is suitable for being applied to solar water heaters, water tanks of central heating systems, water towers and fire pools of industrial and mining enterprises, and water supplement tanks and oil tanks of boilers.
Description
Technical field
The present invention relates to the water replenishing device of fluid level control device and solar water heater, specially refer to a kind of moisturizing valve.
Background technique
People are in life and producing, all need reservoir, comprise the heat-insulating water tanks of solar water heater, the water tank of central heating system, water tower, fire-water pond and boiler replenishing water case, the fuel tank etc. of industrial and mining enterprise, in these equipment, use automatic fluid level control device and carry out moisturizing and can save artificial and prevent water resource waste.When adopting tap water that above-mentioned reservoir is carried out moisturizing, it is convenient and economical that the application altitude valve carries out moisturizing.But existing altitude valve is a kind of float valve, ball float and connecting rod outside valve body, exist install and use inconvenience, easy to failure, shortcoming such as closely easily leak, working life is short is not closed completely.
Solar energy is a kind of inexhaustible natural renewable sources of energy,, be the clear energy sources that everyone can both share.Current, human utilization to solar energy makes remarkable progress, and particularly in the solar water heater field, uses very universal.The domestic solar water heater is made up of vacuum glass tube heat collector and heat-insulating water tanks, usually all be installed on the roof, hot water outlet on the heat-insulating water tanks and running water inlet share an interface, be arranged on the bottom of heat-insulating water tanks, hold concurrently spilling water outlet of exhaust is arranged at the top of heat-insulating water tanks, when need carry out the moisturizing operation to solar water heater, the user is the manual unlocking valve at home, tap water just enters into heat-insulating water tanks by the hot water outlet of hot-water line and heat-insulating water tanks bottom, after water in the heat-insulating water tanks replenishes and satisfies, just flowed out through overflow pipe by the spilling water outlet on heat-insulating water tanks top, after the user finds that overflow pipe there are flowing out, valve closing is stopped moisturizing.The shortcoming that such manually-operable exists is: one, lost labor's time; Two, since in time throttle down cause the waste of water resources; Three, the user can not use hot water when moisturizing; Four, the user does not have hot water to use in a period of time after the moisturizing.
Summary of the invention
The problem that the objective of the invention is to overcome the shortcoming of existing altitude valve and solve the solar water heater automatic water supplement, design a kind of easy to install, reliable operation, close the autocontrol valve of tight water-tight and long service life, save people's time, and the water resources that avoids waste.When solar water heater is used, the exhaust overflow is not established on top at heat-insulating water tanks, hot water outlet and moisturizing import separately arrange separately, hot water outlet is arranged on the top of heat-insulating water tanks, and the moisturizing import is arranged on the bottom of heat-insulating water tanks opposite side, realizes the instant moisturizing of solar water heater, output hot water and moisturizing are not disturbed mutually, when moisturizing, the user still can normally use hot water, makes people can use solar water heater more easily.
First kind of automatic fluid level control valve of the present invention, it is characterized in that control valve mainly is made up of valve seat (13), interior valve casing (7), valve plate (9), pressure releasing valve core (18), float (2) and outer valve casing (3), wherein, valve seat (13) is cylindrical structure, intake tunnel (16) is arranged in the valve seat (13), intake tunnel (16) is vertical to be arranged, the outlet of intake tunnel (16) is horn mouth structure up, the lower end of interior valve casing (7) is connected on the bead of horn mouth structure, and the lower end of outer valve casing (3) is installed in the upper end of valve seat (13); The interior space of interior valve casing (7) constitutes valve pocket (10), internal valve shell wall body in valve pocket (10) side has sealing surface a(20), at sealing surface a(20) the internal valve shell wall body on top has water outlet duct a(5), slideway (24) vertical and that connect is arranged on the shell top of interior valve casing (7), space between interior valve casing (7) and the outer valve casing (3) constitutes hydroecium (4), when control valve was opened, valve pocket (10) was by water outlet duct a(5) be communicated to hydroecium (4); Float (2) is arranged in the hydroecium (4); Valve plate (9) and pressure releasing valve core (18) are arranged in the valve pocket (10), there are pressure release duct (22) and sealing surface b(21 in the center of valve plate (9)), valve rod (23) is arranged at the top of pressure releasing valve core (18), and valve rod (23) passes slideway (24) on the pressure release duct (22) on the valve plate (9), the interior valve casing (7) and is connected on the float (2) in the hydroecium; Into water interface (15) is arranged on the valve seat (13), water inlet interface (15) is communicated to intake tunnel (16), damping post (14) is arranged in intake tunnel (16), connecting rod (17) is arranged on the damping post (14), connecting rod on the damping post (17) is connected on the termination of pressure releasing valve core (18) bottom, when control valve was closed, damping post (14) was in the water inlet position of intake tunnel (16); Have water outlet interface (8) to pick out on the wall body of the outer valve casing (3) of hydroecium (4) low level, the top of outer valve casing (3) has exhaust port (1) to pick out, and exhaust port (1) is communicated to the space on hydroecium (4) top.Among the present invention, at pressure releasing valve core (18) snap ring and seal ring (19) are arranged, seal ring (19) is fixed by snap ring; When control valve is closed, the sealing surface b(21 at the seal ring (19) on the pressure releasing valve core (18) and valve plate (9) center) seal.
Second kind of automatic fluid level control valve of the present invention, it is characterized in that substituting pressure releasing valve core (18) with pressure release piston (29), the top of pressure release piston (29) and valve rod (23) are connected as a single entity, seal ring (30) is arranged on the pressure release piston (29), and pressure release piston (29) and seal ring (30) place the pressure release duct (22) at valve plate (9) center; Release of pressure hole (26) is arranged on the valve plate (9), and when pressure release piston (29) was opened, valve pocket (10) was by release of pressure hole (26) top, the water outlet duct a(5 through pressure release duct (22)) be communicated to hydroecium (4); Connecting rod on the damping post (17) is connected on the termination of pressure release piston (29) bottom.
In above-mentioned first kind or the second kind of automatic fluid level control valve, at valve plate (9) annular bayonet socket and sealing gasket (6) are arranged, sealing gasket (6) is fixed by annular bayonet socket; When control valve is closed, the sealing gasket (6) on the valve plate (9) and the sealing surface a(20 on the internal valve shell wall body) seal; Connecting rod on the damping post (17) is by draw ring b(12) and draw ring a(11) be connected on the termination of pressure releasing valve core (18) bottom or be connected on the termination of pressure release piston (29) bottom; Water outlet duct a(5 on the interior valve casing (7)) be more than three.
Above-mentioned invention separately arranges the hot water outlet of heat-preserving water tank for solar water heater and moisturizing import separately when solar water heater is used, and hot water outlet is arranged on the top of heat-insulating water tanks, and the moisturizing import is arranged on the bottom of heat-insulating water tanks opposite side; The water inlet interface (15) of autocontrol valve is connected on the water supply pipe by moisturizing pipeline and water supply valve, the water outlet interface (8) of autocontrol valve is connected to the moisturizing import of heat-insulating water tanks bottom, exhaust port (1) at autocontrol valve is installed emptying pipe, or the exhaust port of autocontrol valve (1) is connected to swelling water tank, on the top of swelling water tank pneumostome is set; The height that is arranged on a little higher than heat-preserving water tank for solar water heater top of autocontrol valve, to avoid heat-insulating water tanks to bear too high pressure, automatic control pressure vent is arranged at the top at heat-insulating water tanks, with the air in the automatic eliminating heat-insulating water tanks, makes easy topped up with water in the heat-insulating water tanks.The diameter of the valve plate in the autocontrol valve (9) is designed to more than the 25mm according to the flow needs, and the valve core diameter of Decompression valves is designed to about 5mm.
Foregoing invention in use, the water supply valve of tap water is round-the-clock to be opened, when carrying out moisturizing, tap water enters into valve pocket (10) by water inlet interface (15), the intake tunnel (16) of control valve, again by water outlet duct a(5) enter into hydroecium (4), flowed out by water outlet interface (8) then, moisturizing import by connecting tube and heat-insulating water tanks bottom enters into heat-insulating water tanks, owing at the top of heat-insulating water tanks automatic control pressure vent is arranged, can make water be full of the interior space of whole heat-insulating water tanks; After being full of water in the heat-insulating water tanks, water level in the control valve rises, float (2) is risen, thereby driving pressure releasing valve core (18) and valve plate (9) rises, or drive pressure release piston (29) and valve plate (9) rising, make the sealing surface b(21 on seal ring (19) and the valve plate (9) on the pressure releasing valve core (18)) closure, or seal ring (30) is sealed release of pressure hole (26), sealing surface a(20 on sealing gasket (6) on the valve plate (9) and interior valve casing (7) wall body) closure, control valve is closed, and stops moisturizing.When control valve was closed, the pressure in the valve pocket (10) was from the hydraulic pressure of tap water, and and the pressure of tap water equate that it is very tight that valve plate (9) and pressure releasing valve core (18) make control valve close, and guarantees can not leak under the pressure effect of tap water.When the user uses hot water that the hot water of heat-insulating water tanks is flowed out, heat-insulating water tanks is just drawn water from control valve and is replenished, hydroecium (4) water level in the control valve is descended, because pressure releasing valve core (18) or pressure release piston (29) cross section are little, the pressure that makes pressure releasing valve core (18) or pressure release piston (29) bear is very little, when the water level in the hydroecium (4) descends, float (2) is along with the whereabouts, the gravity of float (2) makes pressure releasing valve core (18) break away from sealing surface b(21 easily), or make pressure release piston (29) fall open release of pressure hole (26), thereby the pressure in the valve pocket (10) is discharged by pressure release duct (22); At this moment, damping post (14) in the intake tunnel (16) plays the effect that slows down tap water pressure, to guarantee step-down smoothly in the valve pocket (10), after the pressure in the valve pocket (10) reduces, valve plate (9) just falls smoothly, make valve pocket (10) by water outlet duct a(5) with hydroecium (4) conducting, the water in the valve pocket (10) is just by water outlet duct a(5), hydroecium (4) carries out moisturizing to heat-insulating water tanks; Fall behind down at valve plate (9), pressure releasing valve core (18) or pressure release piston (29) are along with continuing to fall, and damping post (14) increases the unimpeded water flow of intake tunnel (16) along with below the water inlet that drops to intake tunnel (16).When stopping using the hot water of heat-insulating water tanks, control valve also will stop moisturizing, realize synchronous moisturizing, exempt the worry of user's artificial recharge, and needn't worry that the water in the heat-insulating water tanks can use up.
Above-mentioned invention utilizes the pressure of tap water that valve plate (9) and pressure releasing valve core (18) are closed tightly when control valve is closed, and guarantees not leak; Damping post (14) is set in intake tunnel (16), its effect is when pressure releasing valve core (18) is opened valve pocket (10) pressure release, damping post (14) can temporarily stop tap water to enter in the valve pocket (10), so that valve pocket (10) pressure release smoothly, valve plate (9) is opened, after valve plate (9) is opened, damping post (14) can fall and fall along with pressure releasing valve core (18) or pressure release piston (29), make the current of intake tunnel (16) unimpeded, moisturizing smoothly, in case after valve plate (9) was opened, after the water that must treat heat-insulating water tanks filled, the water level in the hydroecium (4) rose and float (2) is risen valve plate (9) is closed; Among the present invention the connecting rod on the damping post (17) by draw ring b(12) and draw ring a(11) be connected on the termination of pressure releasing valve core (18) bottom or be connected on the termination of pressure release piston (29) bottom, be the flexibility of rising or falling for fear of water currents damping post (14), valve plate (9), pressure releasing valve core (18).Autocontrol valve of the present invention outside does not have ball float and connecting rod, inner moving element float (2), valve plate (9), pressure releasing valve core (18) and damping post (14) only done vertical motion up and down, have simple in structure, reliable operation, close the characteristics of tight water-tight and long service life, and easy to install.
After solar energy is the heating of the water in the heat-insulating water tanks, the volume of water can expand in the heat-insulating water tanks, the water that expands in the heat-insulating water tanks turns back in the autocontrol valve by moisturizing import and the connecting pipe of heat-insulating water tanks bottom, overflow by the emptying pipe on the autocontrol valve top then, for fear of waste water resource, can swelling water tank be set in the periphery of solar water heater, the exhaust port of autocontrol valve (1) is connected to swelling water tank, top at swelling water tank arranges pneumostome, the water that utilizes swelling water tank to receive heat-insulating water tanks to expand, do not have water and overflow, water resources avoids waste.When the people used hot water, the water in the swelling water tank can turn back in the heat-insulating water tanks by autocontrol valve, makes heat-insulating water tanks export hot water smoothly, the water in the swelling water tank after rolling, autocontrol valve is used tap water and is carried out moisturizing to heat-insulating water tanks.Supplementing water is that the moisturizing import from the heat-insulating water tanks bottom enters the heat-insulating water tanks, because the proportion of cold water is greater than the proportion of hot water, supplementing water enters the top that can not scurry heat-insulating water tanks behind the heat-insulating water tanks, can only be in the bottom of heat-insulating water tanks etc. to be heated, and hot water is collected at the top of heat-insulating water tanks, the hot water that the user needs is the hot water outlet output from heat-insulating water tanks top, therefore, the instant moisturizing of heat-insulating water tanks can not have influence on the output of hot water, emptying pipe is set at the top of autocontrol valve or on the top of swelling water tank pneumostome is set, can make heat-insulating water tanks export hot water and smooth moisturizing smoothly.
It is generally acknowledged, domestic solar water heater's hot water is from bottom output and hot water output port's double as tap water inlet opening of heat-insulating water tanks, the way that the exhaust overflow is set on the top of heat-insulating water tanks is rational, can make hot water from heat-insulating water tanks, flow out the hot water tap who arrives the user smoothly, treat in the heat-insulating water tanks that hot water uses up the back or under the situation of not using hot water, the user opens running water valve, allow tap water by the hot water output port of heat-insulating water tanks bottom heat-insulating water tanks be carried out moisturizing by the hot water conveying pipe, after the water of heat-insulating water tanks fills, there is water to flow out from overflow, after the user finds the overflow water outlet, close running water valve and stop moisturizing.The shortcoming of doing like this is, the user can not carry out moisturizing when using hot water, after the moisturizing in heat-insulating water tanks hot water pushed up to top or hot water runs off from overflow, hot water can not be from the outlet water outlet of heat-insulating water tanks bottom, the water that need wait until the heat-insulating water tanks bottom is had hot water to use by the solar energy heating rear, the user can not in time use hot water, and is consuming time longer, and has the phenomenon of waste water resource.Do not establish the exhaust overflow as adopting on the top of heat-insulating water tanks, hot water outlet and moisturizing import are separately arranged separately, hot water outlet is arranged on the top of heat-insulating water tanks, the moisturizing import is arranged on the bottom of heat-insulating water tanks opposite side, autocontrol valve is installed in outside at heat-insulating water tanks, tap water carries out instant moisturizing by autocontrol valve to heat-insulating water tanks, solar water heater output hot water and moisturizing operation are not disturbed mutually, realized that the limit goes out the synchronous water supplementing method of hot water limit moisturizing, make that the user is round-the-clock can both to use hot water, needn't worry that also the water of solar water heater can use up.Water hot water outlet is arranged on the top of heat-insulating water tanks, more meets the natural law, because can rise after heating up, in heat-insulating water tanks, hot water is collected at top, must not wait for that the whole heating of water in the heat-insulating water tanks just have hot water output, thereby make the hot water effluent speed up; After supplementing water enters heat-insulating water tanks, be trapped in the bottom of heat-insulating water tanks, when sunlight is arranged, be heated at any time, improve solar water heater efficient.Emptying pipe is set at the top of autocontrol valve or in the upper part of swelling water tank pneumostome is set, make heat-insulating water tanks be in the normal pressure level, do not have positive pressure or negative pressure and occur, simultaneously, when the user used hot water, the hot water of heat-insulating water tanks can flow out smoothly.
The using scope of foregoing invention comprises the water tank of solar water heater, central heating system, water tower, fire-water pond and the boiler replenishing water case of industrial and mining enterprise, the automatic water level control of fuel tank.
The invention has the beneficial effects as follows: a kind of autocontrol valve of design is adapted at using on water tower, fire-water pond and boiler replenishing water case, the fuel tank of water tank, the industrial and mining enterprise of solar water heater, central heating system.When solar water heater is used, moisturizing synchronously automatically when using solar water, output hot water and moisturizing are not disturbed mutually, when moisturizing, the user still can normally use hot water, makes people can use solar water heater more easily, save people's time, and the water resources that avoids waste.
Description of drawings
Accompanying drawing 1 is a kind of structural drawing with automatic fluid level control valve of pressure releasing valve core of the present invention.
Accompanying drawing 1 is a kind of structural drawing with automatic fluid level control valve of pressure release piston of the present invention.
Accompanying drawing 3 is the A-A sectional drawings in accompanying drawing 1 or the accompanying drawing 2.
Among the figure: 1. exhaust port, 2. float, 3. outer valve casing, 4. hydroecium, 5. water outlet duct a, 6. sealing gasket, 7. in valve casing, 8. water outlet interface, 9. valve plate, 10. valve pocket, 11. draw ring a, 12. draw ring b, 13. valve seats, 14. the damping post, 15. water inlet interfaces, 16. intake tunnels, 17. the connecting rod of damping post, 18. pressure releasing valve cores, 19. seal rings, 20. sealing surface a, 21. sealing surface b, 22. pressure release ducts, 23. valve rod, the slideway of 24. valve rods, 25. positive stop ends, 26. the release of pressure hole, 27. gimbals, 28. pressure balance ducts, 29. the pressure release piston, 30. seal rings, 31. spacing snap rings.
Embodiment
Among the embodiment shown in embodiment's 1 accompanying drawing 1, automatically fluid level control valve mainly is made up of valve seat (13), interior valve casing (7), valve plate (9), pressure releasing valve core (18), float (2) and outer valve casing (3), wherein, valve seat (13) is cylindrical structure, intake tunnel (16) is arranged in the valve seat (13), intake tunnel (16) is vertical to be arranged, the outlet of intake tunnel (16) is horn mouth structure up, the lower end of interior valve casing (7) is connected on the bead of horn mouth structure, and the lower end of outer valve casing (3) is installed in the upper end of valve seat (13); The interior space of interior valve casing (7) constitutes valve pocket (10), internal valve shell wall body in valve pocket (10) side has sealing surface a(20), at sealing surface a(20) the internal valve shell wall body on top has water outlet duct a(5), slideway (24) vertical and that connect is arranged on the shell top of interior valve casing (7), space between interior valve casing (7) and the outer valve casing (3) constitutes hydroecium (4), when control valve was opened, valve pocket (10) was by water outlet duct a(5) be communicated to hydroecium (4); Float (2) is arranged in the hydroecium (4); Valve plate (9) and pressure releasing valve core (18) are arranged in the valve pocket (10), there are pressure release duct (22) and sealing surface b(21 in the center of valve plate (9)), valve rod (23) is arranged at the top of pressure releasing valve core (18), and valve rod (23) passes slideway (24) on the pressure release duct (22) on the valve plate (9), the interior valve casing (7) and is connected on the float (2) in the hydroecium; Into water interface (15) is arranged on the valve seat (13), water inlet interface (15) is communicated to intake tunnel (16), damping post (14) is arranged in intake tunnel (16), connecting rod (17) is arranged on the damping post (14), connecting rod on the damping post (17) is connected on the termination of pressure releasing valve core (18) bottom, when control valve was closed, damping post (14) was in the water inlet position of intake tunnel (16); Have water outlet interface (8) to pick out on the wall body of the outer valve casing (3) of hydroecium (4) low level, the top of outer valve casing (3) has exhaust port (1) to pick out, and exhaust port (1) is communicated to the space on hydroecium (4) top.In the present embodiment, at pressure releasing valve core (18) snap ring and seal ring (19) are arranged, seal ring (19) is fixed by snap ring; When control valve is closed, the sealing surface b(21 at the seal ring (19) on the pressure releasing valve core (18) and valve plate (9) center) seal; At valve plate (9) annular bayonet socket and sealing gasket (6) are arranged, sealing gasket (6) is fixed by annular bayonet socket; When control valve is closed, the sealing gasket (6) on the valve plate (9) and the sealing surface a(20 on the internal valve shell wall body) seal; Connecting rod on the damping post (17) is by draw ring b(12) and draw ring a(11) be connected on the termination of pressure releasing valve core (18) bottom or be connected on the termination of pressure release piston (29) bottom; Water outlet duct a(5 on the interior valve casing (7)) it is eight.When present embodiment is used at solar water heater, the hot water outlet of heat-preserving water tank for solar water heater and moisturizing import are separately arranged separately, hot water outlet is arranged on the top of heat-insulating water tanks, and the moisturizing import is arranged on the bottom of heat-insulating water tanks opposite side; The water inlet interface (15) of autocontrol valve is connected on the water supply pipe by moisturizing pipeline and water supply valve, the water outlet interface (8) of autocontrol valve is connected to the moisturizing import of heat-insulating water tanks bottom, exhaust port (1) at autocontrol valve is installed emptying pipe, or the exhaust port of autocontrol valve (1) is connected to swelling water tank, on the top of swelling water tank pneumostome is set; The height that is arranged on a little higher than heat-preserving water tank for solar water heater top of autocontrol valve, to avoid heat-insulating water tanks to bear too high pressure, automatic control pressure vent is arranged at the top at heat-insulating water tanks, with the air in the automatic eliminating heat-insulating water tanks, makes easy topped up with water in the heat-insulating water tanks.The diameter of the valve plate in the autocontrol valve (9) is designed to 25mm according to the flow needs, and the valve core diameter of Decompression valves is designed to 5mm; Sealing gasket (6) and seal ring (19) are selected the sealing gasket of silica gel material for use, and valve plate (9), pressure releasing valve core (18), damping post (14) are selected nonpoisonous plastic material for use, and other parts are selected stainless steel material for use.
A kind of autocontrol valve during embodiment 2 is embodiment illustrated in fig. 2, be to substitute pressure releasing valve core (18) with pressure release piston (29), the top of pressure release piston (29) and valve rod (23) are connected as a single entity, seal ring (30), gimbal (27) and positive stop end (25) are arranged on the pressure release piston (29), seal ring (30) is on the top of pressure release piston (29), gimbal (27) is in the bottom of pressure release piston (29), and pressure release piston (29), seal ring (30) and gimbal (27) place the pressure release duct (22) at valve plate (9) center; Positive stop end (25) is outside pressure release duct (22), and the diameter of spacing termination (25) is greater than the diameter of pressure release duct (22), and when float (2) drove pressure release piston (29) rising, spacing termination (25) drove valve plates (9) and and then rise; The termination of pressure release piston (29) bottom is connected on the connecting rod (17) on the damping post; Valve plate (9) is gone up to increase release of pressure hole (26) and pressure balance duct (28), when carrying out moisturizing, water level in the control valve descends, making float (2) drive pressure release piston (29) falls, pressure release piston (29) falls behind down, seal ring (30) is along with below the outlet that drops to release of pressure hole (26), make release of pressure hole (26) conducting, valve pocket (10) is by the top of release of pressure hole (26) through pressure release duct (22), water outlet duct a(5) is communicated to hydroecium (4), valve pocket (10) internal pressure is discharged, valve plate (9) falls subsequently, water in the valve pocket (10) is by water outlet duct a(5) enter into hydroecium (4), by water outlet interface (8) output, heat-insulating water tanks is carried out the moisturizing operation again; When moisturizing is finished, water level in the control valve rises, and makes float (2) drive pressure release piston (29) and valve plate (9) rising, seal ring (30) sealing release of pressure hole (26) and valve plate (9) closure, control valve is closed, keep the hydraulic pressure of tap water in the valve pocket (10).When pressure release piston (29) is opened or is closed, valve pocket (10) all is communicated between the seal ring (30) and gimbal (27) on the pressure release piston (29) by pressure balance duct (28), pressure release piston (29) is in the equal pressure environment of valve pocket (10), makes that pressure release piston (29) resistance when rising or descend is little.The further feature of present embodiment is identical with the 1st embodiment's, repeats no more.
Claims (6)
1. automatic fluid level control valve, it is characterized in that control valve mainly is made up of valve seat (13), interior valve casing (7), valve plate (9), pressure releasing valve core (18), float (2) and outer valve casing (3), wherein, valve seat (13) is cylindrical structure, intake tunnel (16) is arranged in the valve seat (13), intake tunnel (16) is vertical to be arranged, the outlet of intake tunnel (16) is horn mouth structure up, the lower end of interior valve casing (7) is connected on the bead of horn mouth structure, and the lower end of outer valve casing (3) is installed in the upper end of valve seat (13); The interior space of interior valve casing (7) constitutes valve pocket (10), internal valve shell wall body in valve pocket (10) side has sealing surface a(20), at sealing surface a(20) the internal valve shell wall body on top has water outlet duct a(5), slideway (24) vertical and that connect is arranged on the shell top of interior valve casing (7), space between interior valve casing (7) and the outer valve casing (3) constitutes hydroecium (4), when control valve was opened, valve pocket (10) was by water outlet duct a(5) be communicated to hydroecium (4); Float (2) is arranged in the hydroecium (4); Valve plate (9) and pressure releasing valve core (18) are arranged in the valve pocket (10), there are pressure release duct (22) and sealing surface b(21 in the center of valve plate (9)), valve rod (23) is arranged at the top of pressure releasing valve core (18), and valve rod (23) passes slideway (24) on the pressure release duct (22) on the valve plate (9), the interior valve casing (7) and is connected on the float (2) in the hydroecium; Into water interface (15) is arranged on the valve seat (13), water inlet interface (15) is communicated to intake tunnel (16), damping post (14) is arranged in intake tunnel (16), connecting rod (17) is arranged on the damping post (14), connecting rod on the damping post (17) is connected on the termination of pressure releasing valve core (18) bottom, when control valve was closed, damping post (14) was in the water inlet position of intake tunnel (16); Have water outlet interface (8) to pick out on the wall body of the outer valve casing (3) of hydroecium (4) low level, the top of outer valve casing (3) has exhaust port (1) to pick out, and exhaust port (1) is communicated to the space on hydroecium (4) top.
2. a kind of automatic fluid level control valve according to claim 1 is characterized in that at pressure releasing valve core (18) snap ring and seal ring (19) being arranged, and seal ring (19) is fixed by snap ring; When control valve is closed, the sealing surface b(21 at the seal ring (19) on the pressure releasing valve core (18) and valve plate (9) center) seal.
3. a kind of automatic fluid level control valve according to claim 1, it is characterized in that substituting pressure releasing valve core (18) with pressure release piston (29), the top of pressure release piston (29) and valve rod (23) are connected as a single entity, seal ring (30) is arranged on the pressure release piston (29), and pressure release piston (29) and seal ring (30) place the pressure release duct (22) at valve plate (9) center; Release of pressure hole (26) is arranged on the valve plate (9), and when pressure release piston (29) was opened, valve pocket (10) was by release of pressure hole (26) top, the water outlet duct a(5 through pressure release duct (22)) be communicated to hydroecium (4); Connecting rod on the damping post (17) is connected on the termination of pressure release piston (29) bottom.
4. according to claim 1 or 3 described a kind of automatic fluid level control valves, it is characterized in that at valve plate (9) annular bayonet socket and sealing gasket (6) being arranged, sealing gasket (6) is fixed by annular bayonet socket; When control valve is closed, the sealing gasket (6) on the valve plate (9) and the sealing surface a(20 on the internal valve shell wall body) seal.
5. according to claim 1 or 3 described a kind of automatic fluid level control valves, it is characterized in that connecting rod (17) on the damping post is by draw ring b(12) and draw ring a(11) be connected on the termination of pressure releasing valve core (18) bottom or be connected on the termination of pressure release piston (29) bottom.
6. according to claim 1 or 3 described a kind of automatic fluid level control valves, it is characterized in that the water outlet duct a(5 on the interior valve casing (7)) be more than three.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310262437.8A CN103292015B (en) | 2013-06-27 | 2013-06-27 | Automatic liquid level control valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310262437.8A CN103292015B (en) | 2013-06-27 | 2013-06-27 | Automatic liquid level control valve |
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| Publication Number | Publication Date |
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| CN103292015A true CN103292015A (en) | 2013-09-11 |
| CN103292015B CN103292015B (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310262437.8A Active CN103292015B (en) | 2013-06-27 | 2013-06-27 | Automatic liquid level control valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113551406A (en) * | 2021-07-21 | 2021-10-26 | 珠海格力电器股份有限公司 | Water level control structure and mobile air conditioner |
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| JP2003021259A (en) * | 2001-07-10 | 2003-01-24 | Nagano:Kk | Liquid level detection cutoff valve |
| CN2919131Y (en) * | 2006-05-19 | 2007-07-04 | 高文军 | Water tank supply and drainage automatic control device |
| CN202327204U (en) * | 2011-12-02 | 2012-07-11 | 陈银环 | Buoyancy-type automatic control valve |
| CN202867915U (en) * | 2011-02-01 | 2013-04-10 | 陈银环 | Buoyancy type auto-control valve |
| CN203309306U (en) * | 2013-06-27 | 2013-11-27 | 衢州昀睿工业设计有限公司 | Automatic liquid level control valve |
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2013
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87205267U (en) * | 1987-12-09 | 1988-09-28 | 胡孝华 | Washing valve with time-delay and automatic stop |
| JP2003021259A (en) * | 2001-07-10 | 2003-01-24 | Nagano:Kk | Liquid level detection cutoff valve |
| CN2919131Y (en) * | 2006-05-19 | 2007-07-04 | 高文军 | Water tank supply and drainage automatic control device |
| CN202867915U (en) * | 2011-02-01 | 2013-04-10 | 陈银环 | Buoyancy type auto-control valve |
| CN202327204U (en) * | 2011-12-02 | 2012-07-11 | 陈银环 | Buoyancy-type automatic control valve |
| CN203309306U (en) * | 2013-06-27 | 2013-11-27 | 衢州昀睿工业设计有限公司 | Automatic liquid level control valve |
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| CN113551406A (en) * | 2021-07-21 | 2021-10-26 | 珠海格力电器股份有限公司 | Water level control structure and mobile air conditioner |
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|---|---|
| CN103292015B (en) | 2015-03-18 |
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Inventor after: Lu Wentao Inventor before: Zhou Yunyu |
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Effective date of registration: 20170823 Address after: 063000, Tangshan City Road, Hebei District, north high, Southern China, dragon, Yue, new home, 305 floor, 4 door, No. 502 Patentee after: Lu Wentao Address before: Zhejiang province Quzhou City Kecheng District 324000 Kaixuan Road No. 6 (WITHUB industrial design Industrial Park Building 2, room 2-302) Patentee before: Quzhou Yunrui Industry Design Co., Ltd. |
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Effective date of registration: 20180330 Address after: 226156 Nantong Binhai New Area, Haimen City, Hong Kong West Road, No. 999, No. Patentee after: HAIMEN HUANGHAI PIONEER PARK SERVICES CO., LTD. Address before: 063000, Tangshan City Road, Hebei District, north high, Southern China, dragon, Yue, new home, 305 floor, 4 door, No. 502 Patentee before: Lu Wentao |