CN217784252U - Three-break protection function water curtain valve - Google Patents

Abstract

The application discloses three protect function water curtain valves that cut off includes: the control assembly is arranged on the water curtain valve and communicated with the water curtain valve, and is connected with an external air source; the air storage tank is arranged on the water curtain valve, is connected with the control assembly and is used for receiving the compressed air shunted by the control assembly and providing the compressed air; the external controller is connected with the control assembly and used for enabling the water curtain valve to work normally when the water curtain valve is in gas interruption, power interruption and signal interruption. The utility model provides a three protect function water curtain valves, through installing control assembly in the water curtain valve, and communicate with the water curtain valve, this control assembly and outside air supply are connected, be used for supplying compressed air, and send the compressed air into the water curtain valve through control assembly, the gas holder is installed in the water curtain valve, and be connected with control assembly, external control ware and control assembly are connected, be used for water curtain valve gas cut-off, make the water curtain valve normal work when outage and the outage signal, can not cause relevant loss because water curtain valve stop work.

Description

Three-break protection function water curtain valve

Technical Field

The utility model relates to a technical field of valve particularly relates to three disconnected protect function water curtain valves.

Background

When a common water curtain valve works normally, a system is required to provide an air source, a signal source and a power supply. The correct supply of the air source, the signal source and the power source is the most basic protection for the normal work of the water curtain valve. However, in practical situations, the control system cannot ensure normal and continuous supply of the three sources, which may result in abnormal operation of the water curtain valve and further cause related losses.

SUMMERY OF THE UTILITY MODEL

It is an object of the present application to overcome the above problems or to at least partially solve or alleviate the above problems.

The technical scheme of the utility model a three protect function water curtain valves are provided, include: the control assembly is arranged on the water curtain valve, is communicated with the water curtain valve and is connected with an external air source and used for providing compressed air; the air storage tank is arranged on the water curtain valve and is connected with the control component; and the external controller is connected with the control component and is used for enabling the water curtain valve to normally work when the water curtain valve is in gas interruption, power interruption and signal interruption.

The utility model provides a three disconnected protect function water curtain valves includes control assembly, gas holder and external control ware, through installing control assembly in the water curtain valve, and communicate with the water curtain valve, this control assembly and outside air supply are connected, be used for supplying compressed air, and send the compressed air into the water curtain valve through control assembly, the gas holder is installed in the water curtain valve, and connect with control assembly, be used for accepting the compressed air of control assembly reposition of redundant personnel, and provide compressed air to the water curtain valve, external control ware and control assembly connect, be used for the water curtain valve gas cut-off, make the water curtain valve normally work during outage and outage signal, can not cause relevant loss because the water curtain valve stop work.

Additionally, the above technical solution of the present invention can also have the following additional technical features:

in the above technical solution, the control assembly includes: the first opening of the five-way block is connected with the external air source and used for providing the compressed air; the three-way pneumatic control valve is arranged on the water curtain valve, is communicated with the second opening and the third opening of the five-way block, and is communicated with the gas storage tank; the locking valve is arranged on the water curtain valve, is communicated with a fourth opening of the five-way block, is communicated with a first air inlet interface of the water curtain valve and is used for controlling the compressed air to enter the water curtain valve; and the electromagnetic reversing valve is arranged on the water curtain valve and communicated with the fifth opening of the five-way block.

In the above technical scheme, the three-way pneumatic control valve, the locking valve and the electromagnetic directional valve are all connected with the external controller.

In the above technical solution, the first opening is communicated with the external air source, the second opening, the third opening is communicated with the three-way pneumatic control valve, the fourth opening is communicated with the locking valve, the fifth opening is communicated with the electromagnetic directional valve, and the locking valve is communicated with the first air inlet interface through a pipeline.

In the above technical scheme, the air storage tank is communicated with the control assembly through a pipeline and is used for receiving and conveying the compressed air.

In the technical scheme, a safety valve is installed at the upper part of the gas storage tank and used for protecting the overpressure of the gas storage tank.

In the technical scheme, a pressure gauge is installed on the upper portion of the air storage tank to display the pressure value inside the air storage tank.

In the technical scheme, one side of the air storage tank is provided with an exhaust assembly for exhausting redundant compressed air.

In the above technical solution, the external controller is a PLC controller.

In the above technical solution, the air cylinder assembly further comprises a valve body assembly and an air cylinder assembly connected with each other, the air cylinder assembly has the first air inlet interface and the second air inlet interface, and the first air inlet interface is communicated with the locking valve.

The above and other objects, advantages and features of the present application will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, as illustrated in the accompanying drawings.

Drawings

Some specific embodiments of the present application will be described in detail hereinafter by way of illustration and not limitation with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

FIG. 1 is a schematic front view of a triple break protective function water curtain valve according to one embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of a triple break protective function water curtain valve according to one embodiment of the present application;

FIG. 3 is a schematic side view of a triple break protective function water curtain valve according to one embodiment of the present application.

The mark in the figure is:

10. a control component; 11. a five-way block; 11-1, a first opening; 11-2, a second opening; 11-3, a third opening; 11-4, a fourth opening; 11-5, a fifth opening; 12. a three-way pneumatic control valve; 12-1, a first interface of a three-way pneumatic control valve; 12-2, a second interface of the three-way pneumatic control valve; 13. a lock valve; 14. an electromagnetic directional valve; 14-1, a first connecting port of the electromagnetic directional valve;

20. a gas storage tank; 21. a safety valve; 22. a pressure gauge; 23. an exhaust assembly;

30. a water curtain valve; 31. a valve body assembly; 31-1, a valve body; 31-2, water passing adjusting holes; 31-3, valve sleeve; 31-4, a valve core; 31-5, a limber hole; 31-6, a compression nut; 31-7, a water inlet cavity; 31-8, an upper limber hole; 31-9, a support sleeve; 31-10 parts of a guide sleeve; 31-11, a valve stem; 31-12, a first air inlet interface; 31-13, valve cover; 31-14, a first seal assembly; 31-15 parts of a water outlet cavity; 31-16, a valve core upper cavity; 31-17, a second bolt; 32. a cylinder assembly; 32-1, a piston; 32-2, a locking nut; 32-3, a cylinder barrel; 32-4, cylinder covers; 32-5, a second air inlet interface; 32-6, triggering a nut; 32-7, a first bolt; 32-8, a second seal assembly;

40. a first mounting plate;

50. a second mounting plate.

Detailed Description

The present application will now be described in further detail by way of specific examples with reference to the accompanying drawings. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.

Example 1:

FIG. 1 is a schematic front view of a triple break protective function water curtain valve according to one embodiment of the present application. As shown in fig. 1, in one particular embodiment, the triple-break protection function water curtain valve may generally include a control assembly 10, a gas reservoir 20, and an external controller (not shown). Wherein the control assembly 10 is installed at the water curtain valve 30 and communicated with the water curtain valve 30, and the control assembly 10 is connected with an external air source for providing compressed air. The air storage tank 20 is installed on the water curtain valve 30, is connected with the control assembly 10 and is used for receiving the compressed air shunted by the control assembly 10, and the external controller is connected with the control assembly 10 and is used for enabling the water curtain valve 30 to normally work when the water curtain valve 30 is disconnected in air, power and signals.

The control assembly 10 and the air storage tank 20 are controlled by the external controller, so that the water curtain valve 30 normally works when the air supply, power off and signal off of the water curtain valve 30 are realized, and related loss caused by the stop of the water curtain valve 30 is avoided.

When the external air source is interrupted to supply compressed air:

the three-way pneumatic control valve 12 and the electromagnetic directional valve 14 of the control assembly 10 receive signals, at this time, the first connector 12-1 of the three-way pneumatic control valve 12 is opened, the first connector 14-1 of the electromagnetic directional valve 14 is opened, compressed air in the air storage tank 20 enters the five-way block 11 of the control assembly 10 through the first connector 12-1 of the three-way pneumatic control valve 12, and enters the water curtain valve 30 through the first connector 14-1 of the electromagnetic directional valve 14, the locking valve 13 and the first air inlet connector 31-12 of the water curtain valve 30, so that the water curtain valve 30 stays in a state before air cut-off.

When the electromagnetic directional valve 14 of the control assembly 10 is de-energized:

when the three-way pneumatic control valve 12 of the control assembly 10 receives a signal, the second connector 12-2 of the three-way pneumatic control valve 12 is opened, compressed air in the air storage tank 23 enters the water curtain valve 30 through the second connector 12-2 of the three-way pneumatic control valve 12 and the first air inlet connector 31-12 of the water curtain valve 30 to generate upward thrust, and then the piston 32-1 of the water curtain valve 30 is driven to slide upwards, so that the valve rod 31-11 and the valve core 31-4 are driven to move upwards, and the valve is opened.

When the external controller signal is interrupted:

the locking valve 13 automatically cuts off the communication between the external air source and the cylinder barrel 32-3 of the water curtain valve 30, and the locking valve 13 locks the air pressure in the cylinder assembly 32 of the water curtain valve 30, so that the water curtain valve 30 is kept at the original position until the external air source is recovered to work normally after the fault is eliminated, thereby playing a role of safety protection.

In the present embodiment, the external controller is a PLC controller in which an existing control system is stored.

In one embodiment, the control assembly 10 may generally include a five-way block 11, a three-way pneumatic control valve 12, a lockout valve 13, and a solenoid directional valve 14. Wherein, the first opening 11-1 of the five-way block 11 is connected with an external air source for providing compressed air. The three-way pneumatic control valve 12 is mounted on the water curtain valve 30 through bolts, the three-way pneumatic control valve 12 is communicated with the second opening 11-2 and the third opening 11-3 of the five-way block 11, and the three-way pneumatic control valve 12 is communicated with the air storage tank. The locking valve 13 is mounted on the water curtain valve 30 through bolts, the locking valve 13 is communicated with the fourth opening 11-4 of the five-way block 11, and the locking valve 13 is communicated with the first air inlet interface 31-12 of the water curtain valve 30 to control the compressed air to enter the water curtain valve 30. The electromagnetic directional valve 14 is mounted on the water curtain valve 30 through bolts, and the electromagnetic directional valve 14 is communicated with the fifth opening 11-5 of the five-way block 11.

In the embodiment, the first opening 11-1 is communicated with an external air source, the second opening 11-2, the third opening 11-3, the three-way pneumatic control valve 12, the fourth opening 11-4, the locking valve 13, the fifth opening 11-5, the electromagnetic directional valve 14, the locking valve 13 and the first air inlet interface 31-12 through pipelines. The pipeline can be made of nylon generally and has better hardness.

In this embodiment, the air reservoir 20 is in communication with the control assembly 10 via a conduit for receiving and delivering compressed air.

In one embodiment, a safety valve 21 is installed at an upper portion of the gas container 20 for overpressure protection of the gas container 20, and a pressure gauge 22 is installed at an upper portion of the gas container 20 to display an internal pressure value of the gas container 20, so that a technician can read the pressure value at the pressure gauge 22. When the pressure of the air tank 20 exceeds the design pressure of the air tank 20, the safety valve 21 is opened at this time to release the pressure, so as to protect the air tank 20. An exhaust assembly 23 is installed at one side of the air tank 20 for discharging surplus compressed air, and when the air tank 20 needs to be repaired or replaced, air in the air tank 20 can be discharged through the exhaust assembly 23.

Optionally, the exhaust assembly 23 is an exhaust valve.

Example 2:

FIG. 2 is a schematic cross-sectional view of a water curtain valve according to one embodiment of the present application. As shown in FIG. 2, in one specific embodiment, the air cylinder assembly 32 and the valve body assembly 31 are connected, the air cylinder assembly 32 is provided with a first air inlet interface 31-12 and a second air inlet interface 32-5, and the first air inlet interface 31-12 is communicated with the locking valve 13.

In this embodiment, the valve assembly 31 may generally include a valve body 31-1, a water passage adjusting hole 31-2, a valve sleeve 31-3, a valve core 31-4, a water passage hole 31-5, a compression nut 31-6, a water inlet cavity 31-7, an upper water passage hole 31-8, a support sleeve 31-9, a guide sleeve 31-10, a valve rod 31-11, a first air inlet port 31-12, a valve cover 31-13, a first sealing assembly 31-14, a water outlet cavity 31-15, a valve core upper cavity 31-16, and a second bolt 31-17.

Specifically, a valve housing 31-3 is inserted into the upper end of the valve body 31-1, and the valve housing 31-3 is sized to restrict displacement of the valve housing 31-3, and the lower portion of the valve housing 31-3 is provided with water passage holes 31-5 at equal intervals. The lower portion of the support sleeve 31-9 is inserted into the upper end of the valve body 31-1 and is sealingly coupled with the upper end of the valve housing 31-3, the upper portion of the support sleeve 31-9 has a through hole, and a guide sleeve 31-10 is fitted in the through hole for insertion and sealing coupling of the valve stem 31-11. The valve core 31-4 is inserted into the valve sleeve 31-3, the upper end inside of the valve core 31-4 is annularly provided with upper water through holes 31-8 which are used for connecting the upper end part of the valve core 31-4 with the lower end part of the valve core 31-4 at equal intervals, and the upper end inside of the valve core 31-4 is communicated with the lower end inside of the valve core 31-4 through the upper water through holes 31-8. The outer side wall of the valve core 31-4 is annularly provided with water through regulating holes 31-2 with staggered lengths at equal intervals, and the water through regulating holes 31-2 are communicated with a water inlet cavity 31-7 at one side of the valve body 31-1. The water through hole 31-5 is communicated with the water outlet cavity 31-15 at the other side of the valve body 31-1, and the water through adjusting hole 31-2 is communicated with the water through hole 31-5 in a releasable way by the up-and-down movement of the valve rod 31-11. An installation groove is formed in the middle of the upper surface of the valve core 31-4, a compression nut 31-6 is installed in the installation groove, and the lower end of the valve rod 31-11 is inserted into the compression nut 31-6, so that the valve rod 31-11 is connected with the valve core 31-4. The valve cap 31-13 is positioned on the top of the support sleeve 31-9 and is detachably connected with the valve body 31-1 through a second bolt 31-17, and the side of the valve cap 31-13 is provided with a first air inlet port 31-12, and the upper part of the valve cap 31-13 is provided with a sunken groove which is communicated with the first air inlet port 31-12.

Wherein, the inner cavity of the supporting sleeve 31-9 and the inner cavity of the valve sleeve 31-3 are communicated to form a valve core upper cavity 31-16 for arranging the valve core 31-4.

Further, the valve core 31-4 is of a cylinder plunger type structure.

Optionally, the first air inlet interface 31-12 is a screw interface with compact structure.

In this embodiment, the valve housing 31-3 has first and second grooves formed on the inner walls of the middle and lower portions thereof for receiving the first sealing members 31-14, and the valve core 31-4 is sealingly coupled to the inside of the valve housing 31-3 by the first sealing members 31-14, and the first sealing members 31-14 are rubber packing.

In this embodiment, as shown in FIG. 2, the cylinder assembly 32 may generally include a piston 32-1, a retaining nut 32-2, a cylinder bore 32-3, a cylinder head 32-4, a second air intake port 32-5, a trigger nut 32-6, a first bolt 32-7, and a second seal assembly 32-8.

Specifically, the cylinder 32-3 is mounted on the upper portion of the valve cover 31-13, and the inner cavity of the cylinder 32-3 is communicated with the sink. The cylinder cover 32-4 is installed at the top of the cylinder barrel 32-3 through a first bolt 32-7, an installation through hole is formed in the middle of the cylinder cover 32-4, an upward convex groove surrounding the installation through hole is formed in the middle of the inner wall of the cylinder cover 32-4, and a second air inlet interface 32-5 is formed in the side face of the cylinder cover 32-4 and used for compressed air to enter the cylinder barrel 32-3. The piston 32-1 is positioned inside the cylinder barrel 32-3, the valve rod 31-11 is inserted into the cylinder barrel 32-3 from the mounting through hole of the cylinder cover 32-4 and is inserted into the middle through hole of the piston 32-1, the locking nut 32-2 is sleeved on the valve rod 31-11 and positioned above the piston 32-1 and used for pressing and fixing the piston 32-1, and the trigger nut 32-6 is arranged at the top of the valve rod 31-11.

Wherein, the outer side of the piston 32-1 is provided with a third groove for accommodating the second sealing assembly 32-8, and the piston 32-1 is connected in the cylinder 32-3 in a sealing way through the second sealing assembly 32-8.

Optionally, the second air inlet port 32-5 is a threaded port with a compact design.

In this embodiment, FIG. 3 is a schematic side view of a water curtain valve according to one embodiment of the present application. As shown in fig. 3, the water curtain valve 30 further includes a first mounting plate 40 and a second mounting plate 50, the side end portion of the cylinder head 32-4 is fixed to the first mounting plate 40 by bolts, and the lock valve 13, the three-way pneumatic control valve 12, and the electromagnetic directional valve 14 are fixed to the first mounting plate 40 by bolts, for supporting and lightening the water curtain valve 30. The valve cap 31-13 and the side end portion of the valve body 31-1 are mounted to the second mounting plate 50 by bolts, and the air tank 20 is fixed to the second mounting plate 50 by bolts.

When in specific use:

the valve rod 31-11 sequentially passes through the mounting through hole of the cylinder cover 32-4, the locking nut 32-2, the middle through hole of the piston 32-1, the middle through hole of the valve cover 31-13, the upper through hole of the support sleeve 31-9 and the mounting groove of the valve core 31-4 from top to bottom and is connected with the mounting groove of the valve core 31-6 in a pressing manner.

The piston 32-1 can move up and down and is hermetically connected in the cylinder 32-3 through switching of the air inlet direction of an external air source, the piston 32-1 is detachably connected with the valve rod 31-11, and the valve core 31-4 can move up and down and is hermetically connected in the valve sleeve 31-3 and the upper cavity 31-16 of the valve core through the valve rod 31-11. The water through hole 31-5 of the valve sleeve 31-3, the water through adjusting hole 31-2 of the valve core 31-4, the water through adjusting hole 31-2 is communicated with the water inlet cavity 31-15 of the valve body 31-1, the water through hole 31-5 is communicated with the water outlet cavity 31-15 of the valve body 31-1, and the water through adjusting hole 31-2 is communicated with the water through hole 31-5 in a releasable way by the up-and-down movement of the valve rod 31-11.

It is to be noted that, unless otherwise specified, technical terms or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which this application belongs.

In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. In the description of the present application, "a plurality" means two or more unless specifically defined otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a three protect function water curtain valves which characterized in that includes:

the control assembly (10) is arranged on the water curtain valve (30) and communicated with the water curtain valve (30), and the control assembly (10) is connected with an external air source and used for providing compressed air;

the air storage tank (20) is arranged on the water curtain valve (30) and is connected with the control component (10);

and the external controller is connected with the control component (10) and is used for enabling the water curtain valve (30) to normally work when the water curtain valve (30) is disconnected with gas, power and signals.

2. The three-break protection function water curtain valve according to claim 1,

the control assembly (10) comprises:

the first opening (11-1) of the five-way block (11) is connected with the external air source and used for providing the compressed air;

the three-way pneumatic control valve (12) is arranged on the water curtain valve (30), the three-way pneumatic control valve (12) is communicated with the second opening (11-2) and the third opening (11-3) of the five-way block (11), and the three-way pneumatic control valve (12) is communicated with the air storage tank (20);

the locking valve (13) is installed on the water curtain valve (30), the locking valve (13) is communicated with the fourth opening (11-4) of the five-way block (11), and the locking valve (13) is respectively communicated with the first air inlet interfaces (31-12) of the water curtain valve (30) and used for controlling the compressed air to enter the water curtain valve (30);

the electromagnetic reversing valve (14) is installed on the water curtain valve (30), and the electromagnetic reversing valve (14) is communicated with a fifth opening (11-5) of the five-way block (11).

3. The three-break protection function water curtain valve according to claim 2, wherein:

the electromagnetic directional valve (14) is connected with the external controller.

4. The triple-break protective function water curtain valve according to claim 2, wherein:

the air-conditioning system comprises a first opening (11-1), an external air source, a second opening (11-2), a third opening (11-3) and a three-way pneumatic control valve (12), a fourth opening (11-4) and a locking valve (13), a fifth opening (11-5) and an electromagnetic directional valve (14), wherein the locking valve (13) is communicated with a first air inlet interface (31-12) through a pipeline.

5. The triple-break protective function water curtain valve according to claim 1, wherein:

the air storage tank (20) is communicated with the control component (10) through a pipeline and is used for receiving and conveying the compressed air.

6. The triple-break protective function water curtain valve according to claim 1, wherein:

and a safety valve (21) is arranged at the upper part of the air storage tank (20) and is used for protecting the air storage tank (20) from overpressure.

7. The triple-break protective function water curtain valve according to claim 1, wherein:

and a pressure gauge (22) is installed at the upper part of the air storage tank (20) to display the internal pressure value of the air storage tank (20).

8. The triple-break protection function water curtain valve according to any one of claims 1 and 5 to 7, wherein:

and an exhaust assembly (23) is installed on one side of the air storage tank (20) and used for discharging redundant compressed air.

9. The triple-break protective function water curtain valve according to claim 1, 2 or 3, wherein:

the external controller is a PLC controller.

10. The triple-break protective function water curtain valve according to claim 2, wherein:

the valve body assembly (31) and the cylinder assembly (32) are connected;

the cylinder assembly (32) is provided with the first air inlet interface (31-12) and the second air inlet interface (32-5), and the first air inlet interface (31-12) is communicated with the locking valve (13).

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