CN2096677U - Two-way automatic ball-cock - Google Patents

Abstract

The utility model relates to a bidirectional full automatic ball float valve which is composed of a ball float, a piston and a floater. The utility model is used in a vessel for a liquid storage and supply system, and is especially suitable for an automatic switch system for the water storage and supply of a water tower (pool). Only one pipeline is needed for completing the work of storing water in the water tower (pool) and supplying the water to users. The valve has the advantages of simple manufacture, convenient installation and high flow quantity and sensitivity of a bidirectional switch; during the application of the utility model, tubes and pipes and installation working hours are respectively saved by 40 to 50%, and the fabrication cost of pipework is reduced by 30 to 40%.

Description

Two-way automatic ball-cock

The utility model belongs to a kind of automatic valve that can make two-way switch to liquid, is specially adapted to the two-way recloser in water tower (pond) the storage water supply.

Existing float valve is usually used in the storage of liquid among the case, open though can play when the container feed flow, the effect of closing when supplying to expire, but, could realize the liquid that has stored up in the container if outwards being supplied with accessories such as then also needing to establish in addition a cover output pipeline and gate valve, cause expending in a large number of accessories such as tubing, gate valve, the cost of whole liquid store and supply system is increased.A kind of liquid-container liquid store and supply automatic valve is disclosed in CN2053706U, though can make valve have the effect of two-way switch, but the current limliting stopple makes the valve difficulty be used for the liquid store and supply container of big flow, stopple ability standard-sized sheet after the current limliting stopple that has spring makes and must overcome elastic force when feed flow, reduce with the sensitivity that causes switch, piston body and overflow tapering excessive contact are closed, and easily cause poorly sealed and the generation leakage with fouling long afterwards.

It is a kind of among a container that the purpose of this utility model is to provide, only need a pipeline just can realize the bidirectional valve that the liquid in container feed flow and container is outwards supplied with, not only two-way recloser is highly sensitive, the flow that passes through is big, and, be easy to the bidirectional valve of making and installing with different materials according to the needs of different liquid store and supplies.

Design proposal of the present utility model is following realization: two-way automatic float valve is made of pull bar, housing, precipitation circle, flange plate, piston and float-controlled valve, on the flange plate of the lower end of piston sleeve the sealing gasket made from elastic material is installed; The upper end of piston is provided with draws handle, horizontal straining beam is installed, the lower end is provided with mesh and piston platform endoporus as the liquid Vomitory, the lower end be shaped on the piston platform in order to the location moved on the piston with contact with sealing gasket constitute airtight, the inside of valve pocket is equipped with float, fixedly make float move and do not deviate from the lower end of float valve pocket with network sale at float valve pocket meta, the upper end of float valve pocket is connected in the lower end of piston platform, sealing gasket is fixed on the lower end of piston sleeve with bolt, to precipitate circle with bolt at last, the flange plate of piston sleeve and housing is connected and fixed and is one, two-way automatic float valve can come into operation, the design's two-way automatic float valve control procedure is, when the container liquid storage, liquid enters the bottom of two-way automatic float valve from pipeline, the liquid that enters promotes the float come-up and closure piston platform endoporus, liquid enters by piston cavity from the mesh of piston and infeeds among the liquid reservoir, liquid level in the container progressively rises, ball float is at liquid buoyancy effect float downward, and its power is twitched to move on the piston through pull bar and the piston platform contacted with sealing gasket locate and close.During feed flow, the pipe internal pressure reduces, and float sinks and opens under action of gravity, and the liquid storage piston platform endoporus of flowing through is confessed to pipeline, and pressure is by falling, and piston moves down, and liquid storage is outwards supplied with through the mesh and the piston platform endoporus of piston.

The advantage that the utility model compared with prior art has is: use two-way automatic float valve, can make the liquid store and supply containment system only just can finish liquid storage or the outwards effect of feed flow with a pipeline, so, can save raw material such as tubing valve and reach 40-50%, save installation work-hour and reach 40-50%, the cost that reduces pipework reaches 30-40%, the shift length of float changes with the variation of pipe internal pressure, cause the switch of two-way automatic float valve highly sensitive, when the little decline of ducted hydraulic pin, float decline standard-sized sheet, piston is opened feed flow in pipeline, according to different needs, float can be made into the plunger shape of hollow or the sphere of hollow.Whole valve available metal or nonmetallic material are made, and are used among the liquid store and supply system of different flow.

The drawing of accompanying drawing is described as follows:

Fig. 1 is the cross-sectional view of two-way automatic float valve.

Fig. 2 is the plan view of precipitation circle.

Fig. 3 is the scheme of installation of two-way automatic float valve in water tower (pond).

Among the figure: pull bar (1), precipitation circle (2), draw (3), horizontal straining beam (4), flange plate (5), (16) housing (6), piston sleeve (7), piston (8), sealing gasket (9), mesh (10), piston platform endoporus (11), piston platform (12), float valve pocket (13), float (14), network sale (15), ball float (17), support (18), water tower (pond) (19), two-way automatic float valve (20), pipeline (21), check valve (22), gate valve (23) and blowdown valve (24).

In conjunction with the accompanying drawings, making of the present utility model and the embodiment that installs and uses process in water tower (pond) from the beginning are: metal or nonmetallic material with corrosion resistant are made about 0.08 cubic metre ball float (17); Become the piston (8) of 570 * 5 * φ 110 and float valve pocket (13) to bore corresponding 3 network sale holes with casting in bronze at 20 places, lower end of distance float valve pocket (13); Make piston platform (12) and piston platform endoporus (11) at 170-200 place, distance lower end, on the piston tube wall at 210-300 place, distance lower end, bore 24 mesh (10) of φ 16, be shaped on 50 * 50 draw (3) and bore the corresponding aperture of two φ 16 in the upper end of piston; 230 * 5 * φ, 111 two ends that are made have the piston sleeve (7) of flange plate, make the plunger shape with floating effect or the spherical float (14) of hollow; Make the housing (6) that 530 * 5 * φ, 180 two ends have flange plate with the typing steel pipe, float (14) is packed among the float valve pocket (13), the lower end that connects float valve pocket (13) with network sale (15), the lower flange dish of piston sleeve (7) installs and fixes elastic sealing gasket (9) and places among the housing (6), piston (8) passes piston sleeve (7), penetrating to draw with the material of φ 16 * 130 becomes horizontal straining beam (4) in the hole of (3), pull bar (1) one end with φ 25 * 2800 connects ball float (17), and the other end connects horizontal straining beam (4) center; Make the precipitation circle (2) that 160 * 5 * φ, 180 1 ends have the opening flange plate with metallic material, like this, the two-way automatic float valve of 100 cubic metres of water towers of confession (pond) is just made and is finished.

The tap water main pipe is introduced, install water meter, check valve (22), user pipe, locate to install gate valve (23), blowdown valve (24) at nearly water tower (pond), the flange plate (5) that will precipitate the two-way automatic float valve of circle (2) (20) with bolt connects the centre bottom that is positioned at water tower (pond) (19), with support (18) location pull bar (1) can be slided in support (18), the lower end flange plate (16) of two-way automatic float valve (20) is connected on the pipeline (21), and whole erection just comes to an end.When tap water supply, float (14) floats and closure piston platform endoporus (11), water enters piston (8) inner chamber and arrives water tower (pond) (19) from the mesh (10) of piston (8), rising along with tower (pond) middle water level, ball float (17) come-up, it is airtight to make piston platform (12) rising contact the location with sealing gasket (9) by pull bar (1) pulling piston (8) rising, finishes the effect of Guan Shui.When the hydraulic pressure that supplies water in the pipeline descends, check valve (22) is closed, float (14) sinks under action of gravity, water in the water tower (pond) just supplies water to pipeline (21) from piston platform endoporus (11), increase along with water output, piston (8) moves down and opens, water in the water tower (pond) supplies water in pipeline (21) through the mesh (10) and the piston platform endoporus (11) of piston, after water has supplied, horizontal straining beam (4) displacement is stopped by piston sleeve (7) and piston (8) is no longer moved down, finishes two-way recloser effect.Use long afterwards when the sludge in the water tower (pond) is bordering on the height of precipitation circle (2), closing gate valve (23), the bolt of loosening flange plate (5), take off precipitation circle (2), open the sludge in blowdown valve (24) the cleaning tower (pond), after cleaning finishes, install precipitation circle (2), close blowdown valve (24), open gate valve (23), water tower (pond) enters storage water supply user mode again.

Claims (3)

1, a kind of two-way automatic float valve, by pull bar (1), housing (6), precipitation circle (2), flange plate (5) (16), piston and float-controlled valve constitute, it is characterized in that: the sealing gasket made from elastic material (9) is installed on the lower end flange plate of piston sleeve (7), the upper end of piston (8) is provided with draws (3), horizontal straining beam (4), the lower end is provided with mesh (10), piston platform endoporus (11) and piston platform (12), float valve pocket (13) inside is equipped with float (14), with the fixing lower end of float valve pocket (13) of network sale (15), make float (14) can be in float valve pocket (13) displacement and not deviating from, the upper end of float valve pocket (13) is connected in the lower end of piston platform (12), sealing gasket (9) is fixed on the lower end of piston sleeve (7) with screw thread, to precipitate circle (2) by bolt, the flange plate (5) of piston sleeve (7) and housing (6) is connected as one.

2, float according to claim 1 (14) is characterized in that: float (14) can be made into the plunger shape of hollow or the spherical form of hollow.

3, two-way automatic float valve according to claim 1, it is characterized in that: valve available metal or nonmetallic material are made the accessory assembling, or housing (6) and piston sleeve (7) be cast as one, to draw (3), piston (8), mesh (10), assembling after piston platform endoporus (11), piston platform (12) and float valve pocket (13) are cast as one.

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