CN2665615Y

CN2665615Y - Valve closing device of storied building top water storage tank

Info

Publication number: CN2665615Y
Application number: CNU032588518U
Authority: CN
Inventors: 沈开桐
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-06-12
Filing date: 2003-06-12
Publication date: 2004-12-22
Anticipated expiration: 2013-06-12

Abstract

Disclosed is a valve-closing device in a storage water tank on the top of a building. A liquid-operated disconnecting valve is arranged at the lower end of a water guide pipe; the water pressure cavity and the water release button of the liquid-operated disconnecting valve are respectively connected to the upper end of the water guide pipe and a return pipe. A pneumatic disconnecting valve is arranged at the water outlet at the lower end of the storage water tank; the water channel of the storage water tank is connected with the water guide pipe; and the air pressure cavity of the storage water tank is connected in sequence with a tee connection, a pressure retaining valve, a four-way connection, an air compressing pot and a pressure limiting valve, then is connected to a water supply pipe. An air release button is connected to the tee connection. A safety valve and another air release button are connected to the four-way connection. When the storage water tank is being filled with water, the water pressure in the water guide pipe presses water into the air compressing pot to produce compressed air to be sent to the pneumatic disconnecting valve for closing the water channel. Water overflowing from the storage water tank flows through the return pipe to the liquid-operated disconnecting valve, then a filling channel is closed and a discharge channel is opened for the evacuation of water in the water guide pipe. When in discharge, the water release button and the air release button are pressed to open the valve to let the water in the storage water tank out.

Description

The valve closer of roof storage tank

Affiliated technical field

The utility model relates to a kind of valve closer of roof storage tank.

Background technology

At residential building many storage tanks are arranged upstairs, wherein the overwhelming majority is the solar water heater of resident family.Wherein, there is minority that float-ball type valve closer or electric induction type valve closer have been installed.Because poor, fragile, the user of these two kinds of device reliabilities seldom.The user of most of solar water heaters is that the manual switch aqueduct valve is given the storage tank water-filling in the room.When water-filling, people Yao Shouhou, and waits storage tank to be full of valve-off behind the water, and is very time-consuming.Sometimes forget valve-off because doing other thing, be full of the water that charges into again behind the water in the storage tank and just from overflow pipe, run off.Always be full of water in the aqueduct from the room to the roof and place outdoorly again, in the temperature of ice up in winter, the water in the aqueduct can freeze can not water flowing and solar water heater is stopped using.

Summary of the invention

On the supply channel of storage tank, set up the valve-closing device

The technical scheme that its technical problem that solves the utility model adopts is: it is to form with liquid operated globe valve, the button that discharges water, overflow valve, pneumatic stopping valve, pressure retaining valve, pressure limiting valve, the kettle of calming the anger, venting button, aqueduct, wireway, return pipe, pipe joint.Liquid operated globe valve is equipped with in lower end at aqueduct, the last termination water injection pipe of aqueduct, and water injection pipe is contained in the upper end of roof storage tank, and is concordant with overflow pipe.The hydraulic pressure chamber that connects discharge water button and liquid operated globe valve in the lower end of return pipe respectively, the overflow pipe and the gas outlet of last termination connection storage tank of return pipe in the water pipe.Pneumatic stopping valve is equipped with at the delivery port place in the lower end of storage tank, its aquaporin connects with aqueduct through the threeway tube coupling, its atmospheric pressure cavity connects with the gas outlet of three-way connection, pressure retaining valve, four-way connection, the kettle of calming the anger successively with wireway, the water inlet of kettle of calming the anger connects with pressure limiting valve, and pressure limiting valve connects with feed pipe.

The beneficial effects of the utility model are: can automatic-closing valve when the water in the storage tank is full of stop water-filling and the charging pipe of draining in the water anti-freeze.

Description of drawings

Is that example is set forth the utility model below in conjunction with accompanying drawing with the control solar water heater storage water tank.

Accompanying drawing one is the burst location drawing of structural representation of the present utility model;

Accompanying drawing two is upper left part A of accompanying drawing one;

Accompanying drawing three is upper right part B of accompanying drawing one;

Accompanying drawing four is bottom right sheet portion C of accompanying drawing one;

Accompanying drawing five is lower-left sheet part D of accompanying drawing one;

Accompanying drawing six is liquid operated globe valve structural representations of the present utility model;

Accompanying drawing seven is pressure retaining valve structural representations of the present utility model;

Accompanying drawing eight is pneumatic stopping valve structural representations of the present utility model;

Accompanying drawing nine is pressure limiting valve structural representations of the present utility model;

Accompanying drawing ten is structural representations that the utility model is reduced the number of the part assembly.

In figure two, figure three, figure four, figure five, when the storage tank 11 to the solar water heater on the roof fills During water, first valve-off 29 is pressed the button 22 of the button 20 that discharges water, and opens drainage gallery 21, return pipe Pressure chamber water in 18 flows into bucket 23. Liquid operated globe valve 5 promotes 51 dozens of valve rods under spring 59 elastic force effects Boiling water passage 53. Open valve 4 and valve 2, the water in the feed pipe 1 enters distributive pipe 28 again, flows into to prop up Pipe 3 enters aqueduct 6 by liquid operated globe valve 5. Water in the distributive pipe 28 also flows into arm 30 simultaneously, Enter the kettle 33 of calming the anger by pressure limiting valve 31, make the air compressing in the kettle of calming the anger. Along with flowing in the aqueduct 6 Water rise to roof, water level rise, the hydraulic pressure in the distributive pipe 28 increases thereupon, flows in the kettle 33 of calming the anger Water increase, compressed atmospheric pressure also increases in the kettle. Compressed air is through wireway 35, four-way connection 36, wireway 39 enters the atmospheric pressure cavity 41 of pressure retaining valve 40, enters in the mesopore 75 and valve body of valve rod 66 again Chamber 68. Shown in figure seven, the compressed gas in atmospheric pressure cavity 41 increases to Compress Spring 74, promotes valve rod 66, Make sealing gasket 69 form airspace with between the valve body 67, compressed air is logical from the slit between valve rod and valve body Cross, and the soft limit extruding of y-type seal ring 70 shunk the ventilation slit occurs, compressed gas just through wireway 42, Three-way connection 43, wireway 45 enter in the atmospheric pressure cavity 46 of pneumatic stopping valve 8. On three-way connection 43 Connect venting button 44, connect venting button 37 and safety valve 38 at four-way connection 36. At storage tank 11 Lower end delivery port 10 place's pneumatic stopping valves 8, its water passage connects its gas with threeway tube coupling 7 with aqueduct 6 Press the compressed gas promotion valve rod in the chamber 46 to close aquaporin 9. Water in the aqueduct 6 continues to rise, and enters pressure Water in the gas kettle increases the air pressure in the kettle of calming the anger gradually, flows into the gas of pressure limiting valve 31 from wireway 34 Press chamber 32, promote the aquaporin that valve rod is closed pressure limiting valve 31. The storage tank 11 that is raised to waterborne in the aqueduct 6 Top water injection pipe 12 flow into storage tanks. For being clipped on the sealing gasket of pressure limiting valve 31, draw foreign material in the anti-sealing Rise sluicing makes in the kettle of calming the anger pressure rise once again and damages the utility model, in the peace of four-way connection 36 devices Open to drive when full valve 38 can pressure be excessive in the kettle of calming the anger and press, make pressure in the utility model be no more than each zero The part bearing capacity. In the utility model, several pneumatic operated valves require the operating pressure of compressed gas: each part Bearing capacity greater than the venting pressure of safety valve 38; The venting pressure of safety valve 38 is greater than pressure limiting valve 31 Close pressure; The occlusion pressure of pressure limiting valve is powerful in the ventilation pressure of pressure retaining valve 40; The ventilation pressure of pressure retaining valve is big The pressure of closing in pneumatic stopping valve 8. Make their job order accurate, the air pressure strength difference obviously, Parameter is appropriate. In the upper end of storage tank 11, with water injection pipe 12 equal-height positions overflow pipe 13 is housed, be connected three On the siphunculus joint 15, the threeway tube coupling upwards picks out gas port 14, connects downwards in water pipe 16, and the water of staying water pipe is vertical Difference in height will reach more than one meter, connects return pipe 18 with casing coupling 17 again. Return pipe 18 is introduced in the room and is received The button 20 that discharges water is received respectively the hydraulic pressure of three-way connection 25, overflow valve 27, liquid operated globe valve with arm 24 On the chamber 26. The water that flows into again after being full of water in the storage tank 11 just flows out from overflow pipe 13, and the whereabouts enters Stay in the water pipe 16. The air of staying in the hydraulic pressure retraction water pipe in the water pipe moves the water to flow in the return pipe 18. When staying Water in the water pipe 16 adds that the hydraulic pressure that the water in the return pipe 18 forms imports hydraulic pressure chamber 26 promotion liquid operated globe valve into Valve rod 51 time, the water and the air stream that press in the return pipe enter hydraulic pressure chamber 26. Along with flowing in the return pipe 18 Water increase, the water level discrepancy in elevation increases, the pressure in the hydraulic pressure chamber 26 is along with increase, promotes valve rod and closes to surge and cut End the Aquaporin-5 3 of valve, stop to the storage tank water-filling. At this moment, also have some water to overflow stream in the storage tank 11 Enter in the return pipe 18, the hydraulic pressure of return pipe lower end continue to rise, reach open overflow valve 27 after, with backwater The water that causes hydraulic pressure chamber 26 hypertonia in the pipe flows in the bucket 23.

In the temperature that cold is frozen, from the roof storage tank to the room, rest on aqueduct 6 and backwater Water in the pipe 18 can freeze, and the hot water in the storage tank 11 can not put, and the water in the feed pipe can fill yet, Affect the normal use of solar water heater. In figure six, when needs prevent that water in the aqueduct 6 from freezing, Just in advance the knob 57 on the liquid operated globe valve 5 is placed the state of connecting sluicing mouth 58. When the cut-off of surging When closing Aquaporin-5 3, also opens the water pressure pushing valve rod 51 in the hydraulic pressure chamber 26 of valve drainage gallery 54, Water in the aqueduct 6 will flow into the bucket 23 from sluicing mouth 58, and the water in the emptying aqueduct prevents from freezing Stop up. At this moment, pneumatic stopping valve 8 is being closed, and the water in the storage tank 11 can not flow out. Return pipe 18 In leave the pipeline section of pressing chamber water, follow aqueduct 6 to bind return pipe 18 and wireway 45 with muff 19 Lead in the room together. As long as indoor temperature is higher than the temperature that makes water freezing, the utility model is installed in the chamber Water in the interior part does not just freeze. Installation requirement at the aqueduct of outdoor section is: aqueduct is emptying anti-When freezing, the bending tube section of occluded water can not be arranged.

When needs were taken hot water in the solar water heater, first valve-off 2 was pressed button 22, opens The discharge water aquaporin 21 of button 20, the pressure chamber water in the return pipe 18 and the water in the hydraulic pressure chamber 26 are put into bucket 23. Liquid operated globe valve 5 resets under the elastic force effect of spring 59, the passage 53 of fetching boiling water, closes drainage gallery 54. Open again valve 29, press venting button 44, bleed off the pressure in calm the anger kettle 33 and the

atmospheric pressure cavity

32,41,46 Contracting gas, pressure limiting valve 31 and pneumatic stopping valve 8 passage of fetching boiling water that under spring force effect separately, resets, pressurize Valve 40 resets under spring action and closes the passage of holding one's breath. Hot water in the storage tank 11 enters aqueduct 6, from valve Emit in the door 29. In the winter of severe cold, if the pressure chamber water in return pipe is frozen into ice, will be led The heat energy that hot water in the water pipe 6 imports into melts, and button 20 is put into bucket 23 through discharging water. In the wireway If there is condensate water to be frozen into frost, also melted gentle melting. In the time will stopping to put hot water, divide two kinds of feelings The condition valve-off. One, if close pneumatic stopping valve 8 and discharge hot water in the aqueduct 6, then Valve-off 29. Hydraulic pressure in the aqueduct 6 enters to calm the anger and produces compressed gas in the kettle 33 and close pneumatic stopping valve 8 With pressure limiting valve 31. Open again valve 29 and emit hot water in the aqueduct 6. Press venting button 37, emit Calm the anger compressed gas in the kettle 33 is opened pressure limiting valve 31, emits the hot water in the kettle 33 of calming the anger. At this moment pressure retaining valve In 40, the compressed gas of the one-way sealing of y-type seal ring 70 energy force retaining wireway 42 does not flow out, and makes pneumatic Stop valve 8 keeps closing. Its two, if do not emit hot water in the aqueduct 6, then valve-off 4. When taking in the storage tank 11 hot water, require the water passing capacity of valve 29 enough big, make the water in the distributive pipe 28 Pressure guarantees that less than the air pressure that can open pressure retaining valve 40 pneumatic stopping valve 8 unlatchings discharge water.

For the hydraulic pressure in the feed pipe 1 less than the user of bearing capacity of the present utility model (for example: residential building Which floor resident family of top, the water in the feed pipe 1 is from the public feed cistern on the roof), the limit in the utility model Pressure valve 31, four-way 36, venting button 37, safety valve 38 can be reduced the number of. The utility model after reducing the number of Structure shown in figure ten. Liquid operated globe valve 5 in the utility model, pneumatic stopping valve 8, and pressure retaining valve 40, Pressure limiting valve 31 arranges respectively with rubber membrane and does the pressure pocket that sealing also can promote stem movement.

Liquid operated globe valve shown in the figure six, by hydraulic pressure chamber lid 47, rubber membrane 48, supporting plate 49, support 50, valve rod 51, valve body 52, sealing gasket 55 and 61, y-type seal ring 56 and 60, knob 57, sluicing mouth 58, spring 59 parts such as grade are formed.Pressure retaining valve shown in the figure seven, by atmospheric pressure cavity lid 62, rubber membrane 63, supporting plate 64, support 65, valve rod 66, valve body 67, sealing gasket 68, y-type seal ring 70, joint 71, O-

ring seals

72 and 73, spring 74 parts such as grade are formed, and passage 75 is arranged in the valve rod 66.Pressure limiting valve shown in pneumatic stopping valve shown in the figure eight and the figure nine, each free atmospheric pressure cavity lid, rubber membrane, supporting plate, support, valve rod, valve body, sealing gasket, y-type seal ring, parts such as spring are formed.

The specific embodiment

A kind of valve closer of roof storage tank, 6 millimeters of diameter of bores such as

wireway

45,42,39,34,8 millimeters polyethylene pipes of outside diameter, 8 millimeters of return pipe 18 usefulness diameter of bores, 10 millimeters polyethylene pipes of outside diameter, the kettle 33 usefulness polyethylene melts of calming the anger are blow molded in blow mold.Liquid operated globe valve 5, pneumatic stopping valve 8, pressure limiting valve 31, pressure retaining valve 40, venting button 37 and 44, overflow valve 27, safety valve 38, the button 20 that discharges water, they separately the spring in the part turn to spring steel wire, and through quenching zinc-plated blunt white processing.Rubber membrane, sealing gasket, sealing ring is made with rubber pressurized, heated in mould.Each valve body, valve gap, support, joint, parts such as button inject mould with injection machine with the casting of ABS melt to be made, and valve rod is combined into working of plastics and brass spare, and the screw, the nut that connect usefulness are made with brass.

Claims

1, a kind of valve closer of roof storage tank, form by liquid operated globe valve, aqueduct, return pipe, the button that discharges water, overflow valve, pneumatic stopping valve, pressure retaining valve, the kettle of calming the anger, pressure limiting valve, venting button, wireway, safety valve, joint, it is characterized in that: liquid operated globe valve (5) is housed in the lower end of aqueduct (6), the last termination water injection pipe of aqueduct, water injection pipe is contained in the upper end of roof storage tank (11), and is concordant with overflow pipe; The hydraulic pressure chamber (26), the overflow valve (27) that connect the button that discharges water (20), liquid operated globe valve in the lower end of return pipe (18) respectively, the last termination of return pipe is stayed water pipe, connects the overflow pipe and the gas outlet of storage tank; Lower end delivery port (10) at storage tank (11) locates to be equipped with pneumatic stopping valve (8), its water passage (9) connects with aqueduct (6) through threeway tube coupling (7), its atmospheric pressure cavity (46) connects with the upper end of three-way connection (43), pressure retaining valve (40), four-way connection (36), the kettle of calming the anger (33) successively with wireway (45), the calm the anger lower end of kettle connects with pressure limiting valve (31), pressure limiting valve connects with feed pipe, three-way connection (43) is gone up and is connected venting button (44), and four-way connection (36) is gone up and connected venting button (37) and safety valve (38).

2, the valve closer of roof storage tank according to claim 1 is characterized in that: liquid operated globe valve (5) by hydraulic pressure chamber lid (47), rubber membrane (48), supporting plate (49), support (50), valve rod (51), valve body (52), sealing gasket (55) and (61), y-type seal ring (56) and (60), knob (57), (58) are chewed in sluicing, spring (59) is formed; Pressure retaining valve (40) is by atmospheric pressure cavity lid (62), rubber membrane (63), supporting plate (64), support (65), valve rod (66), valve body (67), sealing gasket (69), y-type seal ring (70), joint (71), O-ring seals (72) and (73), spring (74) are formed, and passage (75) is arranged in the valve rod (66); Each free atmospheric pressure cavity lid of pneumatic stopping valve (8) and pressure limiting valve (31), rubber membrane, supporting plate, support, valve rod, valve body, sealing gasket, y-type seal ring, spring are formed.