CN203309306U - Automatic liquid level control valve - Google Patents
Automatic liquid level control valve Download PDFInfo
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- CN203309306U CN203309306U CN2013203753969U CN201320375396U CN203309306U CN 203309306 U CN203309306 U CN 203309306U CN 2013203753969 U CN2013203753969 U CN 2013203753969U CN 201320375396 U CN201320375396 U CN 201320375396U CN 203309306 U CN203309306 U CN 203309306U
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Abstract
The utility model discloses an automatic liquid level control valve, and relates to a liquid level control device and a water supply device of solar water heater. The automatic liquid level control valve mainly consists of a valve seat, an inner valve casing, a valve plate, a pressure-relief valve core, a floater and an outer valve casing, wherein a water-inlet channel is arranged in the valve seat, and the outlet of the water-inlet channel is of an upward horn mouth structure; the lower end of the inner valve casing is connected to the edge of the horn mouth structure, and the lower end of the outer valve casing is installed at the upper end of the valve seat; the inner space of the inner valve casing forms a valve cavity, the space between the inner valve casing and the outer valve casing forms a water chamber, and the floater is arranged in the water chamber; the valve plate and the pressure-relief valve core are arranged in the valve cavity; a damping column is arranged in the water-inlet channel, and a connecting rod is arranged on the damping column; the damping column on the damping column is connected to the end head of the lower part of the pressure-relief valve core,. The automatic liquid level control valve is suitably applied to solar water heaters, water tanks of centralized heating systems, water towers of industrial and mining enterprises, fire-water ponds, boiler water-filling tanks and oil tanks.
Description
Technical field
The utility model relates to the water replenishing device of fluid level control device and solar water heater, specially refers 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, the application automatic liquid-level control device carries out moisturizing and can save artificial and prevent water resource waste in these equipment.When adopting tap water to carry out moisturizing to above-mentioned reservoir, 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 and to install and use inconvenience, easy to failure, the shortcoming such as closely easily leak, working life is short is not closed completely.
Solar energy is a kind of inexhaustible Natural re generation energy,, be the clear energy sources that everyone can both share.Current, the utilization of the mankind to solar energy, make remarkable progress, and particularly in the solar water heater field, applies very universal.The domestic solar water heater is comprised of vacuum glass tube heat collector and heat-insulating water tanks, usually all be arranged on roof, hot water outlet on 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, in the time need carrying 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 heat-insulating water tanks supplements and meets, just by the spilling water outlet on heat-insulating water tanks top, flowed out through overflow pipe, after the user finds that overflow pipe there are flowing out, valve closing is stopped to moisturizing.The shortcoming that such manually-operable exists is: one, lost labor's time; Two, due to throttle down in time, cause the waste of water resources; Three, the user can not use hot water when moisturizing; Four, in a period of time after moisturizing, the user does not have hot water to use.
The model utility content
The purpose of this utility model is the problem that will 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.While on solar water heater, applying, 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 do not interfere with each other, when moisturizing, the user still can normally use hot water, makes people can use more easily solar water heater.
The first automatic liquid level control valve of the present utility model, it is characterized in that control valve mainly is comprised 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 valve seat (13), intake tunnel (16) is vertical to be arranged, the outlet of intake tunnel (16) is bell-mouth structure of air upward, the lower end of interior valve casing (7) is connected on the bead of bell-mouth structure of air, and the lower end of outer valve casing (3) is arranged on the upper end of valve seat (13); The interior space of interior valve casing (7) forms valve pocket (10), on the internal valve shell wall body of valve pocket (10) side, sealing surface a(20 is arranged), at sealing surface a(20) water outlet duct a(5 is arranged on the internal valve shell wall body on top), slideway (24) vertical and that connect is arranged on the shell top of interior valve casing (7), space between interior valve casing (7) and outer valve casing (3) forms 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 hydroecium (4); Valve plate (9) and pressure releasing valve core (18) are arranged in 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 the slideway (24) that valve rod (23) passes on the pressure release duct (22) on valve plate (9), interior valve casing (7) is connected on the float (2) in hydroecium; On valve seat (13), have into water interface (15), water inlet interface (15) is communicated to intake tunnel (16), damping column (14) is arranged in intake tunnel (16), connecting rod (17) is arranged on damping column (14), connecting rod on damping column (17) is connected on the termination of pressure releasing valve core (18) bottom, when control valve was closed, damping column (14) was in the water inlet position of intake tunnel (16); On the wall body of the outer valve casing (3) of hydroecium (4) low level, have water outlet mouthpiece (8) to pick out, 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 utility model, snap ring and seal ring (19) are arranged on pressure releasing valve core (18), seal ring (19) is fixed by snap ring; When control valve is closed, the sealing surface b(21 at the seal ring (19) on pressure releasing valve core (18) and valve plate (9) center) seal.
The second automatic liquid level control valve of the present utility model, 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 pressure release piston (29), and pressure release piston (29) and seal ring (30) are placed in the pressure release duct (22) at valve plate (9) center; Release of pressure hole (26) is arranged on 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 damping column (17) is connected on the termination of pressure release piston (29) bottom.
In above-mentioned the first or the second automatic liquid level control valve, annular bayonet socket and sealing gasket (6) are arranged on valve plate (9), sealing gasket (6) is fixed by annular bayonet socket; When control valve is closed, the sealing gasket (6) on valve plate (9) and the sealing surface a(20 on internal valve shell wall body) seal; Connecting rod on damping column (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 interior valve casing (7)) be more than three.
When above-mentioned model utility is applied on 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 water supply pipe by moisturizing pipeline and water supply valve, the water outlet mouthpiece of autocontrol valve (8) is connected to the moisturizing import of heat-insulating water tanks bottom, in the upper emptying pipe of installing of the exhaust port (1) of autocontrol valve, 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, automatically to get rid of the air in heat-insulating water tanks, makes easy topped up with water in heat-insulating water tanks.More than the diameter of the valve plate in autocontrol valve (9) need to be designed to 25mm according to flow, the valve core diameter of Decompression valves was designed to the 5mm left and right.
Above-mentioned model utility 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), then by water outlet mouthpiece (8), flowed out, moisturizing import by connecting tube and heat-insulating water tanks bottom enters into heat-insulating water tanks, because automatic control pressure vent is arranged at the top at heat-insulating water tanks, can make water be full of the interior space of whole heat-insulating water tanks; After in heat-insulating water tanks, being full of water, water level in control valve rises, make float (2) increase, 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 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 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 valve pocket (10) was from the hydraulic pressure of tap water, and and the pressure of tap water equate, valve plate (9) and pressure releasing valve core (18) make control valve close under the pressure-acting of tap water very tight, guarantee can not leak.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 supplemented, hydroecium (4) water level in control valve is descended, due to pressure releasing valve core (18) or pressure release piston (29) cross section little, the pressure that makes pressure releasing valve core (18) or pressure release piston (29) bear is very little, when the water level in hydroecium (4) descends, float (2) is along with whereabouts, the gravity of float (2) makes pressure releasing valve core (18) easily break away from sealing surface b(21), or make pressure release piston (29) fall open release of pressure hole (26), thereby the pressure in valve pocket (10) is discharged by pressure release duct (22), at this moment, damping column (14) in intake tunnel (16) plays the effect that slows down tap water pressure, to guarantee step-down smoothly in valve pocket (10), after the pressure decreased in valve pocket (10), valve plate (9) just falls smoothly, make valve pocket (10) by water outlet duct a(5) with hydroecium (4) conducting, the water in valve pocket (10) is just by water outlet duct a(5), hydroecium (4) carries out moisturizing to heat-insulating water tanks, lower backward at valve plate (9), pressure releasing valve core (18) or pressure release piston (29) are along with continuing to fall, and damping column (14), along with below the water inlet that drops to intake tunnel (16), increases the unimpeded water flow of 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 heat-insulating water tanks can be finished.
Above-mentioned model utility, when control valve is closed, utilizes the pressure of tap water that valve plate (9) and pressure releasing valve core (18) are closed tightly, guarantees not leak, damping column (14) is set in intake tunnel (16), its effect is when pressure releasing valve core (18) is opened valve pocket (10) pressure release, damping column (14) can temporarily stop tap water to enter in valve pocket (10), so that valve pocket (10) pressure release smoothly, valve plate (9) is opened, after valve plate (9) is opened, damping column (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, after in case valve plate (9) is opened, after must filling until the water of heat-insulating water tanks, water level in hydroecium (4) rises and makes float (2) rising that valve plate (9) is closed, in the utility model the connecting rod on damping column (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 column (14), valve plate (9), pressure releasing valve core (18).Autocontrol valve of the present utility model outside does not have ball float and connecting rod, inner moving element float (2), valve plate (9), pressure releasing valve core (18) and damping column (14) only move up and down vertically, have simple in structure, reliable operation, close the characteristics of tight water-tight and long service life, and easy to install.
After solar energy heats the water in heat-insulating water tanks, in heat-insulating water tanks, the volume of water can expand, the water expanded in heat-insulating water tanks turns back in autocontrol valve by moisturizing import and the connecting pipe of heat-insulating water tanks bottom, the emptying pipe of then pushing up by autocontrol valve is overflowed, 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, not having water overflows, water resources avoids waste.When having the people to use hot water, the water in swelling water tank can turn back in heat-insulating water tanks by autocontrol valve, makes heat-insulating water tanks export smoothly hot water, and after rolling, autocontrol valve can carry out moisturizing to heat-insulating water tanks with tap water to the water in swelling water tank.Supplementing water is to enter heat-insulating water tanks from the moisturizing import of heat-insulating water tanks bottom, due to the proportion of cold water, be greater than the proportion of hot water, supplementing water can not channel to the top of heat-insulating water tanks after entering 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 smoothly hot water and smooth moisturizing.
It is generally acknowledged, domestic solar water heater's hot water doubles as the tap water inlet opening from bottom output and the hot water output port 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, flowing out smoothly the hot water tap who arrives the user, after in heat-insulating water tanks, hot water is finished or in the situation that do not use 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 to 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 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 use hot water in time, consuming time longer, and has the phenomenon of waste water resource.If adopted, do not establish the exhaust overflow 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 interfere with each other, realized that limit goes out the synchronous water supplementing method of hot water limit moisturizing, make that the user is round-the-clock can use hot water, the water that also needn't worry solar water heater can be finished.Water hot water outlet is arranged on to 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 heat-insulating water tanks just have hot water output, thereby make hot water effluent's speed accelerate; After supplementing water enters heat-insulating water tanks, be trapped in the bottom of heat-insulating water tanks, be heated at any time when sunlight is arranged, improve solar water heater efficiency.Emptying pipe be set at the top of autocontrol valve or in the upper part of swelling water tank, pneumostome be set, making heat-insulating water tanks be in the normal pressure level, not having 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 above-mentioned model utility 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 beneficial effects of the utility model are: a kind of autocontrol valve of design is adapted at applying 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 applied, automatic synchronization moisturizing while using solar water, output hot water and moisturizing do not interfere with each other, when moisturizing, the user still can normally use hot water, makes people can use more easily solar water heater, save people's time, and the water resources that avoids waste.
The accompanying drawing explanation
Accompanying drawing 1 is a kind of structural drawing with automatic liquid level control valve of pressure releasing valve core of the present utility model.
Accompanying drawing 2 is a kind of structural drawing with automatic liquid level control valve of pressure release piston of the present utility model.
Accompanying drawing 3 is the A-A sectional drawings in accompanying drawing 1 or accompanying drawing 2.
In figure: 1. exhaust port, 2. float, 3. outer valve casing, 4. hydroecium, 5. water outlet duct a, 6. sealing gasket, 7. interior valve casing, 8. water outlet mouthpiece, 9. valve plate, 10. valve pocket, 11. draw ring a, 12. draw ring b, 13. valve seat, 14. damping column, 15. water inlet interface, 16. intake tunnel, 17. the connecting rod of damping column, 18. pressure releasing valve core, 19. seal ring, 20. sealing surface a, 21. sealing surface b, 22. pressure release duct, 23. valve rod, 24. the slideway of valve rod, 25. positive stop end, 26. release of pressure hole, 27. gimbal, 28. pressure balance duct, 29. pressure release piston, 30. seal ring, 31. limited location snap ring.
Embodiment
In embodiment shown in embodiment's 1 accompanying drawing 1, the automatic liquid level control valve mainly is comprised 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 valve seat (13), intake tunnel (16) is vertical to be arranged, the outlet of intake tunnel (16) is bell-mouth structure of air upward, the lower end of interior valve casing (7) is connected on the bead of bell-mouth structure of air, and the lower end of outer valve casing (3) is arranged on the upper end of valve seat (13); The interior space of interior valve casing (7) forms valve pocket (10), on the internal valve shell wall body of valve pocket (10) side, sealing surface a(20 is arranged), at sealing surface a(20) water outlet duct a(5 is arranged on the internal valve shell wall body on top), slideway (24) vertical and that connect is arranged on the shell top of interior valve casing (7), space between interior valve casing (7) and outer valve casing (3) forms 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 hydroecium (4); Valve plate (9) and pressure releasing valve core (18) are arranged in 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 the slideway (24) that valve rod (23) passes on the pressure release duct (22) on valve plate (9), interior valve casing (7) is connected on the float (2) in hydroecium; On valve seat (13), have into water interface (15), water inlet interface (15) is communicated to intake tunnel (16), damping column (14) is arranged in intake tunnel (16), connecting rod (17) is arranged on damping column (14), connecting rod on damping column (17) is connected on the termination of pressure releasing valve core (18) bottom, when control valve was closed, damping column (14) was in the water inlet position of intake tunnel (16); On the wall body of the outer valve casing (3) of hydroecium (4) low level, have water outlet mouthpiece (8) to pick out, 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, snap ring and seal ring (19) are arranged on pressure releasing valve core (18), seal ring (19) is fixed by snap ring; When control valve is closed, the sealing surface b(21 at the seal ring (19) on pressure releasing valve core (18) and valve plate (9) center) seal; Annular bayonet socket and sealing gasket (6) are arranged on valve plate (9), sealing gasket (6) is fixed by annular bayonet socket; When control valve is closed, the sealing gasket (6) on valve plate (9) and the sealing surface a(20 on internal valve shell wall body) seal; Connecting rod on damping column (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 interior valve casing (7)) it is eight.When the present embodiment is applied on 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 water supply pipe by moisturizing pipeline and water supply valve, the water outlet mouthpiece of autocontrol valve (8) is connected to the moisturizing import of heat-insulating water tanks bottom, in the upper emptying pipe of installing of the exhaust port (1) of autocontrol valve, 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, automatically to get rid of the air in heat-insulating water tanks, makes easy topped up with water in heat-insulating water tanks.The diameter of the valve plate in autocontrol valve (9) need to be designed to 25mm according to flow, 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, and valve plate (9), pressure releasing valve core (18), damping column (14) are selected nonpoisonous plastic material, and other parts are selected stainless steel material.
A kind of autocontrol valve during embodiment 2 is embodiment illustrated in fig. 2, 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 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) are placed in 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 damping column, upper the increasing of valve plate (9) has release of pressure hole (26) and pressure balance duct (28), when carrying out moisturizing, water level in control valve descends, making float (2) drive pressure release piston (29) falls, pressure release piston (29) is lower to fall behind, 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) be communicated to hydroecium (4), valve pocket (10) internal pressure is discharged, valve plate (9) falls subsequently, water in valve pocket (10) is by water outlet duct a(5) enter into hydroecium (4), by water outlet mouthpiece (8), exported again, heat-insulating water tanks is carried out to the moisturizing operation, when moisturizing completes, water level in 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, in valve pocket (10), keep the hydraulic pressure of tap water.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 pressure release piston (29) by pressure balance duct (28), pressure release piston (29) is in the equal pressure environment of valve pocket (10), makes pressure release piston (29) resistance when rising or descend little.The further feature of the present embodiment is identical with the 1st embodiment's, repeats no more.
Claims (6)
1. automatic liquid level control valve, it is characterized in that control valve mainly is comprised 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 valve seat (13), intake tunnel (16) is vertical to be arranged, the outlet of intake tunnel (16) is bell-mouth structure of air upward, the lower end of interior valve casing (7) is connected on the bead of bell-mouth structure of air, and the lower end of outer valve casing (3) is arranged on the upper end of valve seat (13); The interior space of interior valve casing (7) forms valve pocket (10), on the internal valve shell wall body of valve pocket (10) side, sealing surface a(20 is arranged), at sealing surface a(20) water outlet duct a(5 is arranged on the internal valve shell wall body on top), slideway (24) vertical and that connect is arranged on the shell top of interior valve casing (7), space between interior valve casing (7) and outer valve casing (3) forms 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 hydroecium (4); Valve plate (9) and pressure releasing valve core (18) are arranged in 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 the slideway (24) that valve rod (23) passes on the pressure release duct (22) on valve plate (9), interior valve casing (7) is connected on the float (2) in hydroecium; On valve seat (13), have into water interface (15), water inlet interface (15) is communicated to intake tunnel (16), damping column (14) is arranged in intake tunnel (16), connecting rod (17) is arranged on damping column (14), connecting rod on damping column (17) is connected on the termination of pressure releasing valve core (18) bottom, when control valve was closed, damping column (14) was in the water inlet position of intake tunnel (16); On the wall body of the outer valve casing (3) of hydroecium (4) low level, have water outlet mouthpiece (8) to pick out, 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 liquid level control valve according to claim 1, is characterized in that snap ring and seal ring (19) are arranged on pressure releasing valve core (18), 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 pressure releasing valve core (18) and valve plate (9) center) seal.
3. a kind of automatic liquid 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 pressure release piston (29), and pressure release piston (29) and seal ring (30) are placed in the pressure release duct (22) at valve plate (9) center; Release of pressure hole (26) is arranged on 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 damping column (17) is connected on the termination of pressure release piston (29) bottom.
4. according to the described a kind of automatic liquid level control valve of claim 1 or 3, it is characterized in that annular bayonet socket and sealing gasket (6) are arranged on valve plate (9), sealing gasket (6) is fixed by annular bayonet socket; When control valve is closed, the sealing gasket (6) on valve plate (9) and the sealing surface a(20 on internal valve shell wall body) seal.
5. according to the described a kind of automatic liquid level control valve of claim 1 or 3, it is characterized in that connecting rod (17) on damping column 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 the described a kind of automatic liquid level control valve of claim 1 or 3, it is characterized in that the water outlet duct a(5 on interior valve casing (7)) be more than three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203753969U CN203309306U (en) | 2013-06-27 | 2013-06-27 | Automatic liquid level control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203753969U CN203309306U (en) | 2013-06-27 | 2013-06-27 | Automatic liquid level control valve |
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| Publication Number | Publication Date |
|---|---|
| CN203309306U true CN203309306U (en) | 2013-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203753969U Withdrawn - After Issue CN203309306U (en) | 2013-06-27 | 2013-06-27 | Automatic liquid level control valve |
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| Country | Link |
|---|---|
| CN (1) | CN203309306U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292015A (en) * | 2013-06-27 | 2013-09-11 | 衢州昀睿工业设计有限公司 | Automatic liquid level control valve |
-
2013
- 2013-06-27 CN CN2013203753969U patent/CN203309306U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292015A (en) * | 2013-06-27 | 2013-09-11 | 衢州昀睿工业设计有限公司 | Automatic liquid level control valve |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131127 Effective date of abandoning: 20150318 |
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| RGAV | Abandon patent right to avoid regrant |