CN214305439U - Energy-saving check valve - Google Patents

Abstract

The utility model discloses an energy-conserving check valve, which comprises a valve body, the valve body include entrance point and exit end, the inside main valve plate that is provided with of valve body, valve body upper portion be provided with the controller, the controller lower part be provided with the control ejector pin, control ejector pin bottom be provided with little valve plate, being close to the entrance point the valve body on be provided with first liquid outlet, being close to the exit end the valve body on be provided with the second liquid outlet, first liquid outlet and second liquid outlet connection director's pipeline be provided with the filter. The utility model has the advantages of reasonable design, synthesize the advantage of check valve and stop valve, unite two into one, life can reach five years, is particularly useful for the muddy operating mode of medium, very big assurance the normal production of pump station, reduce the cost of overhaul, extension equipment life cycle improves economic benefits.

Description

Energy-saving check valve

Technical Field

The utility model belongs to the mechanical field of valving especially relates to an energy-conserving check valve.

Background

The check valve is used as a common backflow stopping device in a pump station or a water supply network, a medium can generate backflow phenomenon when stopping conveying or under the condition of static pressure, and the check valve can play a role in safety isolation. At present, a check valve which is mostly used in a pump station is a circular valve plate and acts by self weight to block back flow of a medium, or when the pump is stopped, a heavy hammer falls down by remote control to block the medium. The check valve has the advantages of large water flow impact, short service life, strong dependence on manpower, short closing time requirement and inevitable occurrence of misoperation.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the utility model provides an energy-saving check valve.

The utility model discloses a realize like this: the utility model provides an energy-saving check valve, includes the valve body, the valve body include entrance point and exit end, the inside main valve plate that is provided with of valve body, main valve plate connect the valve rod, main valve plate bottom to the slope of exit end direction, valve body upper portion be provided with the controller, the controller include epicoele and cavity of resorption, epicoele and cavity of resorption between be provided with the biomembrane, the controller lower part be provided with the control ejector pin, control ejector pin bottom be provided with little valve plate, main valve plate on be provided with little valve plate to the valve port that corresponds, be close to the entrance point the valve body on be provided with first liquid outlet, be close to the exit end the valve body on be provided with the second liquid outlet, first liquid outlet pass through the cavity of pipe connection controller, the second liquid outlet pass through the epicoele of pipe connection controller, the pipeline that first liquid outlet connect the cavity of resorption and the pipeline that second liquid outlet connects the epicoele all set up The filter is internally provided with a filter element, the inner side of the filter element is connected with a liquid inlet pipe, the outer side of the filter element is connected with a liquid outlet cylinder, the bottom of the filter element is provided with a sewage draining outlet, a rotary switch is arranged between the filter element and the sewage draining outlet, and the rotary switch is provided with a communicating hole.

The bottom of the valve body is provided with a buffer mechanism, and the buffer mechanism is connected with the first liquid outlet through a pipeline.

The buffer mechanism comprises a buffer ejector rod, a spring is arranged at the bottom of the buffer ejector rod, a buffer gasket is arranged at the bottom of the main valve plate, and the buffer ejector rod and the buffer gasket are matched with each other.

And a matching rib is arranged at the matching part of the upper part of the valve body and the main valve plate.

The part where the matching rib is matched with the main valve plate is arranged to be of a step structure, and sealing when the main valve plate is closed is facilitated.

The utility model has the advantages that: the utility model has the advantages of reasonable design, synthesize the advantage of check valve and stop valve, unite two into one. Different pressures are induced above and below the membrane through the biological membrane, and the rise and fall of the small valve plate are automatically controlled according to the pressure difference. For the working condition that the pump is frequently started and stopped, the tightness degree and the service cycle of the check valve are greatly reduced; particularly for a pump station with turbid medium, the joints of various valve devices are not sealed tightly in 3 months generally, the sealing gaskets are replaced, spots and corrosion in the valves are more in half a year, and the efficiency is reduced. The utility model discloses energy-conserving check valve life can reach five years, is particularly useful for the turbid operating mode of medium, reduces human cost and energy consume, very big assurance the normal production of pump station, reduces the cost of overhaul, extension equipment life cycle, improvement economic benefits.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a second liquid outlet connection structure of the present invention;

FIG. 3 is a schematic diagram of the filter state structure of the filter of the present invention;

FIG. 4 is a schematic view of the filter flushing structure according to the present invention;

FIG. 5 is a schematic view of the structure of the controller biofilm according to the present invention;

in the figure: 1. the valve comprises a valve body, a 101-inlet end, a 102-outlet end, a 2-main valve plate, a 201-valve port, a 202-buffer gasket, a 3-valve rod, a 4-controller, a 401-upper chamber, a 402-lower chamber, a 403-biomembrane, a 5-control ejector rod, a 6-small valve plate, a 7, a first liquid outlet, a 8, a second liquid outlet, a 9, a manual valve, a 10-filter, a 10-sensor, a 1001-filter element, a 1002-liquid inlet pipe, a 1003-liquid outlet cylinder, a 1004-sewage discharge outlet, a 1005-rotary switch, a 1006-communication port, an 11-buffer mechanism, a 1101-buffer ejector rod, a 1102-spring and a 12-matching rib.

Detailed Description

In order to understand the technical solution of the present invention more clearly, the present invention will be further explained with reference to the accompanying drawings.

The energy-saving check valve as shown in fig. 1-5 comprises a valve body 1, wherein the valve body 1 comprises an inlet end 101 and an outlet end 102, a main valve plate 2 is arranged inside the valve body, the main valve plate 2 is connected with a valve rod 3, the bottom of the main valve plate 2 inclines towards the outlet end 102, a controller 4 is arranged on the upper portion of the valve body 1, the controller 4 comprises an upper chamber 401 and a lower chamber 402, a biological membrane 403 is arranged between the upper chamber 401 and the lower chamber 402, a control push rod 5 is arranged on the lower portion of the controller 4, a small valve plate 6 is arranged on the bottom of the control push rod 5, a valve port 201 corresponding to the small valve plate 6 is arranged on the main valve plate 2, a first liquid outlet 7 is arranged on the valve body 1 near the inlet end 101, a second liquid outlet 8 is arranged on the valve body 1 near the outlet end 102, the first liquid outlet 7 is connected with the lower chamber 402 of the controller 4 through a pipeline, the second liquid outlet 8 is connected with the upper cavity 401 of the controller 4 through a pipeline, the pipeline of the lower cavity 402 connected with the first liquid outlet 7 and the pipeline of the upper cavity 401 connected with the second liquid outlet 8 are provided with a manual valve 9 and a filter 10, the filter 10 is internally provided with a filter element 1001, the inner side of the filter element 1001 is connected with a liquid inlet pipe 1002, the outer side of the filter element is connected with a liquid outlet cylinder 1003, the bottom of the filter element 1001 is provided with a sewage discharge port 1004, a rotary switch 1005 is arranged between the filter element 1001 and the sewage discharge port 1004, the rotary switch 1005 is provided with a communication hole 1006, as shown in figures 3 and 4, the filter state and the flushing state of the filter are respectively, the liquid inlet pipe 1002 and the liquid outlet cylinder 1003 are not directly communicated, during the filtering state, the rotary valve is closed, liquid reaches the liquid outlet cylinder 1003 through the liquid inlet pipe 1002 and the filter element 1001, thereby playing a role of filtering and during the flushing state, the rotary valve is opened, and liquid is discharged from a drain 1004 through a liquid inlet pipe 1002, a filter element 1001 and a liquid outlet cylinder 1003, so that the filter element 1001 is washed. The bottom of the valve body 1 is provided with a buffer mechanism 11, and the buffer mechanism 11 is connected with the first liquid outlet 7 through a pipeline. The buffer mechanism 11 comprises a buffer push rod 1101, a spring 1102 is arranged at the bottom of the buffer push rod 1101, a buffer gasket 202 is arranged at the bottom of the main valve plate 2, and the buffer push rod 1101 is matched with the buffer gasket 202. The upper part of the valve body 1 is provided with a matching rib 12 at the matching part of the main valve plate 2. The part of the matching rib 2 matched with the main valve plate 2 is set to be of a step structure, and sealing when the main valve plate is closed is facilitated.

When the water pump is started, the main valve plate 2 is under the hydraulic action of the inlet end, the first liquid outlet 7 is communicated with the lower cavity 402 of the controller 4, the biological membrane 403 is concave upwards, the small valve plate 6 and the main valve plate 2 are opened slowly, the valve opening speed can be set according to the requirements of working conditions, meanwhile, under the hydraulic action of the inlet end, the buffer mandril 1101 of the slow closing mechanism 11 is jacked up to match with the opening of the main valve plate 2, the flow and the pressure of the inlet end 101 are reduced suddenly at the moment of stopping the pump, the main valve plate 2 is closed quickly under the action of gravity to cut off most of the hydraulic force, the buffer mandril 1101 of the slow closing mechanism 11 is matched with the buffer gasket 202 of the main valve plate 2, and the buffer mandril 1101 discharges backflow pressure water under the action of a spring to reduce the peak value of a water hammer; meanwhile, a part of the backflow water enters an upper cavity 401 of the controller 4 through a second liquid outlet 8, the control ejector rod 5 is pushed to move downwards, and the small valve plate 6 is closed until the medium is completely cut off. Biological membrane formula structure in the control unit 4 is low to granule class sewage slag content sensitivity, simultaneously, the pipeline of first liquid outlet 7 and second liquid outlet 8 connection controller 4 all be provided with filter 10 and can effectively filter the impurity granule in the sewage, guarantee that the medium that gets into in the controller 4 is clean liquid, filter 10 still has the automatic function of washing simultaneously, the lower part sets up drain 1004, but manual periodic blowdown improves controller 4's life.

The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims (5)

1. An energy-saving check valve comprises a valve body, wherein the valve body comprises an inlet end and an outlet end, a main valve plate is arranged in the valve body, the main valve plate is connected with a valve rod, the bottom of the main valve plate inclines towards the direction of the outlet end, the energy-saving check valve is characterized in that a controller is arranged on the upper portion of the valve body, the controller comprises an upper cavity and a lower cavity, a biomembrane is arranged between the upper cavity and the lower cavity, a control ejector rod is arranged on the lower portion of the controller, a small valve plate is arranged at the bottom of the control ejector rod, a valve port corresponding to the small valve plate is arranged on the main valve plate, a first liquid outlet is arranged on the valve body close to the inlet end, a second liquid outlet is arranged on the valve body close to the outlet end, the first liquid outlet is connected with the lower cavity of the controller through a pipeline, and the second liquid outlet is connected with the upper cavity of the controller through a pipeline, first liquid outlet connect the pipeline of cavity of resorption and the second liquid outlet connect the pipeline of epicoele and all be provided with manual valve and filter, the inside filter core that is provided with of filter, the inboard feed liquor pipe of connecting of filter core, the filter core outside connect a liquid section of thick bamboo, filter core bottom set up the drain, filter core and drain between be provided with rotary switch, rotary switch be provided with the intercommunicating pore.

2. The energy-saving check valve as claimed in claim 1, wherein a buffering mechanism is disposed at the bottom of the valve body, and the buffering mechanism is connected to the first liquid outlet through a pipe.

3. The energy-saving check valve according to claim 2, wherein the buffer mechanism comprises a buffer ejector rod, a spring is arranged at the bottom of the buffer ejector rod, a buffer gasket is arranged at the bottom of the main valve plate, and the buffer ejector rod and the buffer gasket are matched with each other.

4. The energy-saving check valve as claimed in claim 1, wherein the upper portion of the valve body is provided with an engaging rib at a portion where the upper portion engages with the main valve plate.

5. The energy saving check valve of claim 4, wherein the portion of the engagement rib engaged with the main valve plate is configured as a step structure.

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