CN201310629Y

CN201310629Y - Flushing valve

Info

Publication number: CN201310629Y
Application number: CNU2008201375014U
Authority: CN
Inventors: 大卫·波坦
Original assignee: ZENIT PUMPS (SUZHOU) CO Ltd
Current assignee: ZENIT PUMPS (SUZHOU) CO Ltd
Priority date: 2008-08-29
Filing date: 2008-08-29
Publication date: 2009-09-16
Anticipated expiration: 2018-08-29

Abstract

The utility model discloses a flushing valve, comprising a hollow valve body and a pipeline. A Venturi outlet is arranged on the down stream of the pipeline; a liquid controller is movably arranged in a cavity; a first deformable diaphragm which is used for pushing the liquid controller is arranged in the valve body; an oil container is arranged in the valve body; a chamber is formed between the first diaphragm and the valve body; and the chamber is only communicated with the oil container; When in the first working status, the liquid controller floats in the cavity, therefore the Venturi outlet is in the open state; and when in the second working state, the liquid controller closes the Venturi outlet. The first diaphragm is durable in the chamber without frequent change, furthermore, the liquid controller is used for opening and closing the Venturi, which prevents the Venturi from being damaged by strong impact and being eroded by the liquid in the sewage pits; therefore the utility model can be used for a long time in a bad environment.

Description

Flushing valve

Technical field

The utility model relates to a kind of flushing valve, is specifically related to a kind of flushing valve that matches and use with submersible pump.

Background technique

In rainwater, sewage disposal system,, just be provided with many bilge wells every certain spacing along transfer line.In bilge well, before sewage transport arrives the destination, downstream, the water that accumulates in the bilge well is in static state, because precipitation, sediments in the sewage is deposited in the bottom, puddle, even is adsorbed on the borehole wall, and these sedimentss can influence environmental hygiene, even can produce health or the malignant event relevant with health, this is that current law institute is unallowed.

At present in order to address these problems, the supporting use of flushing valve and submersible pump is placed in the bilge well, and it is under water potential, submersible pump is that the sewage of collecting is delivered to downstream line, automatically produce strong injection water in the bilge well bottom flush valve, purpose is to allow sewage be in large-scale stirring, thereby has limited sedimental depositional phenomenon.

Conventional valve comes down to be made up of valve body, and valve inner is provided with a cavity, at cavity inside a heavier ball by GRAVITY CONTROL is arranged, and this ball uses metallic material usually, takes on the current control unit, and it is in the Venturi tube acceleration channel.

The size of the suction that produces on the acceleration pipeline in venturi outlet downstream is to be determined by the current that come from water pump, this suction pulls down spheroid, ball is positioned at cavity under the normal condition, cavity is positioned at the bottom of pipeline, this ball interrupts current automatically, to such an extent as to produce the pulsing jet that repeats, thereby a large amount of block that exists in the bilge well be kept in motion.

More precisely, above mentioned ball, the beginning mentioned by a flexible barrier film, elastic diaphragm connects with the top seal of the cavity of valve body, and it expands gradually because in valve body relative set an oil conservator, the inside has been full of oil, is that the fluid that it provides makes membrane becomes expanded.

Above-mentioned fluid stream is caused to the suction that barrier film produces by Venturi tube, the expansion gradually of barrier film is also lifted ball gradually to the jetburner motion, when ball arrives certain position and has influence on the current that flow out from pump, at this moment, ball will be pushed, thereby has stopped up above-mentioned passage.

Though flushing valve provides a very satisfactory performance, but traditional valve must adopt the elastic membrane with the valve body coupling, these films form by artificial rubber is synthetic, this rubber membrane has constituted a fluid Seal cage, and in a period of time, in order to guarantee its stable structure, prevent that rubber is aging in rugged environment, have to it is changed, for its normal use, must replacing, cleaning, maintenance service and afterwards reinstall spended time.

In addition, the heavy metal ball is easy to by the liquid corrosion in the sewage sump, is damaged because of being subjected to strong impact when ball falls and closes water channel, so the heavy metal of traditional flushing valve also is to damage easily.

Summary of the invention

The purpose of this utility model is to provide a kind of flushing valve that can use for a long time in rugged environment.

In order to reach above purpose, the technical solution adopted in the utility model is: a kind of flushing valve, comprise hollow valve body, the pipeline that is connected with the cavity of described valve body, described valve body is provided with and is used for and will accumulates in the outlet valve of the air discharge in the described cavity, venturi outlet is equipped with in the downstream of described pipeline, be equipped with the liquid control piece in the described cavity versatilely, be provided with deformable first barrier film that is used to promote described liquid control piece in the described valve body, has oil conservator in the described valve body, formed chamber between described first barrier film and the described valve body, this chamber only is connected with described oil conservator, when in the described valve body liquid being arranged, described liquid control has first working state and second working state, when described liquid control piece is in first working state, described liquid control piece floats in the described cavity, and described venturi outlet is in open mode; When described liquid control piece was in second working state, described liquid control piece was closed described venturi outlet.

Described liquid control piece has comprised the float effect and has been subjected to first spheroid that described first barrier film promotes and plays the counterweight effect and be used to close second spheroid of described venturi outlet that described first spheroid links to each other by connecting band with described second spheroid.

Because the utility model has adopted above technological scheme, its advantage is: when bringing into use, flushing valve is dived to be put in the water of sewage sump, so just there is liquid to flow in the valve body, air is wherein discharged the air at scene by corresponding outlet valve, and the liquid control piece floats in the cavity of valve body, and pipeline 3 and outlet are opened fully.The upstream of pipeline links to each other with pump, is used for carrying the liquid of coming from pump, and its downstream directly links to each other with venturi outlet.Along with opening of pump, the jet water column flows to sewage sump by pipeline, and outlet is owing to the effect of Venturi tube, and the suction of generation produces in inner chamber, drives first barrier film and moves downward.Flow in the chamber between first barrier film and the valve body along with the distortion gradually of first barrier film causes oil in the oil conservator, the downward distortion of first barrier film correspondingly promotes the liquid control piece and moves to the outlet port and block outlet, has just interrupted directly washing away the current of cesspool.The pressure that produces in inner chamber works to first barrier film simultaneously, and this pressure makes oil pressure get back in the oil conservator gradually, rises to the original position that raises up up to first barrier film.In case water pump is out of service, thrust is removed, and the liquid control piece upwards floats, and gets back to the position that they begin.Because the startup of each pump all can repeat the movement process of above-mentioned flushing valve, and repeats to produce fierce jet and wash away sewage sump in sewage sump, allow the water of collecting be kept in motion, so this has just prevented sedimental formation.First barrier film can be durable in use in the fluid chamber, do not need its frequent replacing, in addition, adopt the switching of liquid control piece realization to venturi outlet, prevent it to be subjected to strong impact and be damaged, and be difficult for by the liquid corrosion in the sewage sump, therefore flushing valve of the present utility model can be used in rugged environment for a long time.

Description of drawings

Accompanying drawing 1 is looked sectional view for master of the present utility model;

Accompanying drawing 2 is a left view of the present utility model.

Embodiment

Further set forth concrete structure of the present utility model and working principle below in conjunction with accompanying drawing.

A kind of flushing valve, be used for sewage disposal system, it mainly is made up of valve body 2, outlet valve 2c, valve seat 2a, pipeline 3, and wherein valve body 2 is containers, and inside is hollow, has cavity 2b, outlet valve 2c is arranged on the top of valve body 2, and it can be discharged accumulating in inner air, and valve seat 2a links to each other with pipeline 3, have current to flow in pipeline 3, these current collect in the comfortable sewage sump submersible pump (not shown) of carrying sewage.

Have venturi outlet 4 on the pipeline 3, the top of the inside of valve body 2 is provided with deformable first barrier film 5, it is used to promote liquid control piece 6, having formed one between first barrier film 5 and the valve body 2 is used for from the chamber of oil conservator 7 input liquid, the chamber and the oil conservator 7 that form between first barrier film 5 and the valve body 2 are arranged side by side mutually, are arranged on the top of valve body 2.

In Fig. 1, when not having liquid in this chamber, first barrier film 5 is depression upwards, input along with liquid, first barrier film 5 is gradually to lower convexity, be provided with the protruding part 15 of downward protrusion on the lower surface of first barrier film 5, this protruding part 15 is used for liquid control piece 6 inconsistent, promotes liquid control piece 6 and moves downward.When in the valve body 2 liquid being arranged, liquid control piece 6 has first working state and second working state, and when liquid control piece 6 was in first working state, liquid control piece 6 floated in the cavity 2b, and venturi outlet 4 is in open mode; When liquid control piece 6 was in second working state, liquid control piece 6 was closed venturi outlet 4.

Liquid control piece 6 is by 2 spheroids, first spheroid 8 and second spheroid 9 constitute, two spheroids are connected to each other by connecting band 10, first spheroid 8 serves as float, second spheroid 9 serves as a mass, and is used to close the top that venturi outlet 4, the first spheroids 8 are positioned at second spheroid 9, protruding part 15 is and the 8 inconsistent effects of first spheroid, and the diameter of first spheroid 8 is bigger than the diameter of second spheroid 9.

Valve body 2 is connected by connecting tube 3a with pipeline 3, and wherein the diameter of connecting tube 3a is passed through smoothly to keep second spheroid 9, and can not be allowed first spheroid 8 pass through between first spheroid 8 and second spheroid 9.

First barrier film 5 links to each other by a delivery pipe with oil conservator 7 with chamber between the valve body 2, this delivery pipe will guide oil conservator 7 and first barrier film 5 to communicate with chamber between the valve body 2, and this delivery pipe is provided with and is used to regulate the controlling device 11 of carrying the fluid flow size.In the present embodiment, this controlling device 11 comprises the knob 12 that is used to regulate delivery pipe cross section size.The pipeline section size is preset in position by default knob 12.

The top of valve body 2 has seal element 13, and oil conservator 7 has cavity 7a, and this cavity 7a is formed by seal element 13 and deformable second barrier film 14, the bottom of second barrier film, 14 enclosed cavity 7a.First barrier film 5, second barrier film 14 are shaped into the spherical dome shape.In Fig. 1, during full of liquid, second barrier film 14 is to lower convexity among the cavity 7a, and after liquid transferred out, second barrier film 14 is depression upwards.

When bringing into use, flushing valve 1 is dived to be put in the water of sewage sump, so just has liquid to flow in the valve body 2, and air is wherein discharged the air at scene by corresponding outlet valve 2c, and liquid control piece 6 floats in the cavity 2b of valve body 2, and pipeline 3 and outlet 4 are opened fully.The upstream of pipeline 3 links to each other with pump, is used for carrying the liquid of coming from pump, and its downstream directly links to each other with venturi outlet 4.

Along with opening of pump, the jet water column flows to sewage sump by pipeline 3, and outlet 4 is owing to the effect of Venturi tube, and the suction of generation produces in inner chamber 2b, drives first barrier film 5 and moves downward.

Along with causing the oil in the oil conservator 7, the distortion gradually of first barrier film 5 flows in the chamber between first barrier film 5 and the valve body 2 by delivery pipe, flow velocity in the delivery pipe is adjusted by knob 12, cause first barrier film 5 to be out of shape gradually like this, be deformed into to lower convexity gradually by upwards caving in.

It is downward that the downward distortion that first barrier film 5 is provided with projection piece 15, the first barrier films 5 correspondingly promotes first spheroid 8, and by linking belt 10, second spheroid 9 that has reached counterweight drives first spheroid 8 and moves downward along gravitational direction.

When second spheroid 9 dropped to certain position, 9 pairs of outlets 4 of second spheroid exerted an influence, and block outlet 4 to the outlet port, have just interrupted directly washing away the current of cesspool.

The pressure that produces in inner chamber 2b works to first barrier film 5 simultaneously, and this pressure makes oil pressure get back in the oil conservator 7 gradually, rises to the original position that raises up up to first barrier film 5.

In case water pump is out of service, thrust is removed, because the floating function of first spheroid 8 is upwards floated win spheroid 8 and second spheroid 9, gets back to the position that they begin.

Because the startup of each pump all can repeat the movement process of above-mentioned flushing valve 1, and repeats to produce fierce jet and wash away sewage sump in sewage sump, allow the water of collecting be kept in motion, so this has just prevented sedimental formation.

Fluid is carried in the Seal cage of first barrier film 5 and 14 formation of second barrier film back and forth, first barrier film 5 and second barrier film 14 can be durable in use in the fluid chamber, do not need its frequent replacing, in addition, adopted first spheroid 8 of float effect and played the switching of second spheroid, 9 realizations of counterweight effect venturi outlet 4, prevent spheroid to be subjected to strong impact and be damaged, and be difficult for that therefore flushing valve of the present utility model can be used for a long time in rugged environment by the liquid corrosion in the sewage sump.

Claims

1, a kind of flushing valve, comprise hollow valve body (2), the pipeline (3) that is connected with the cavity (2b) of described valve body (2), described valve body (2) is provided with and is used for and will accumulates in the outlet valve (2c) of the air discharge in the described cavity (2b), it is characterized in that: venturi outlet (4) is equipped with in the downstream of described pipeline (3), the cavity (2b) of described valve body (2) is built-in with movable and the alternative liquid control piece (6) that seals or open described venturi outlet (4), be provided with deformable first barrier film (5) that is used to promote described liquid control piece (6) in the described valve body (2), has oil conservator (7) in the described valve body (2), formed chamber between described first barrier film (5) and the described valve body (2), this chamber only is connected with described oil conservator (7), the chamber and the described oil conservator (7) that form between first barrier film (5) and the described valve body (2) are arranged side by side mutually, are arranged on the top of described valve body (2).

2, flushing valve according to claim 1, it is characterized in that: described liquid control piece (6) has comprised the float effect and has been subjected to first spheroid (8) that described first barrier film (5) promotes and plays the counterweight effect and be used to close second spheroid (9) of described venturi outlet (4), described first spheroid (8) links to each other by connecting band (10) with described second spheroid (9), and the diameter of wherein said first spheroid (8) is greater than the diameter of described second spheroid (9).

3, flushing valve according to claim 2, it is characterized in that: be connected by connecting tube (3a) between described valve body (2) and the described pipeline (3), the diameter of described connecting tube (3a) is positioned between the diameter of the diameter of described first spheroid (8) and described second spheroid (9).

4, according to claim 1 or 3 described flushing valves, it is characterized in that: be connected by delivery pipe between the chamber that forms between described first barrier film (5) and the described valve body (2) and the described oil conservator (7), this delivery pipe is provided with and is used to regulate the controlling device (11) of carrying the fluid flow size, and this controlling device (11) comprises the knob (12) that is used to regulate described delivery pipe cross section size.

5, according to claim 1 or 3 described flushing valves, it is characterized in that: described oil conservator (7) has cavity (7a), this cavity (7a) is by deformable second barrier film (14) sealing, described first barrier film (5), described second barrier film (14) domed shape all spherical in shape.

6, flushing valve according to claim 1 and 2 is characterized in that: described first barrier film (5) is provided with the protruding part (15) that is used to promote described liquid control piece (6).