KR101666070B1 - Pre action valve - Google Patents

Pre action valve Download PDF

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Publication number
KR101666070B1
KR101666070B1 KR1020160036001A KR20160036001A KR101666070B1 KR 101666070 B1 KR101666070 B1 KR 101666070B1 KR 1020160036001 A KR1020160036001 A KR 1020160036001A KR 20160036001 A KR20160036001 A KR 20160036001A KR 101666070 B1 KR101666070 B1 KR 101666070B1
Authority
KR
South Korea
Prior art keywords
valve
clapper
valve body
diaphragm
coupled
Prior art date
Application number
KR1020160036001A
Other languages
Korean (ko)
Inventor
한철수
Original Assignee
주식회사 우당기술산업
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 우당기술산업 filed Critical 주식회사 우당기술산업
Priority to KR1020160036001A priority Critical patent/KR101666070B1/en
Application granted granted Critical
Publication of KR101666070B1 publication Critical patent/KR101666070B1/en

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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C37/00—Control of fire-fighting equipment
    • A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/58—Pipe-line systems
    • A62C35/64—Pipe-line systems pressurised
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C37/00—Control of fire-fighting equipment
    • A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
    • A62C37/10—Releasing means, e.g. electrically released
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position

Abstract

A pre-action valve is disclosed. According to an embodiment of the present invention, the pre-action valve, which is opened and closed by a diaphragm, comprises: a valve body in which an inlet and an outlet are respectively formed in an upper portion and a lower portion, a space is formed thereinside, and a ventilation hole and a discharge hole are formed on a side; a seat mounting part formed in the valve body, wherein the seat mounting part includes an opening in the inlet and a seat formed around the opening; and a valve opening and closing control part connected to the valve body to open or close the seat mounting part. The valve opening and closing control part comprises: a clapper mounted on and connected to the seat mounting part to close or open the opening; a diaphragm which controls an elevating operation of the clapper; and a housing including a chamber to which the diaphragm is connected. Therefore, a channel flow is maintained as straight as possible by discharging a fluid introduced from the lower portion of the valve body to the upper portion. Since a rapid direction change is prevented by maintaining a fluid flow in a straight direction, a loss of pressure can be reduced, thereby contributing to performance improvement.

Description

PRE-OPERATION VALVE {PRE ACTION VALVE}

More particularly, the present invention relates to a regulating valve, and more particularly, to a regulating valve that restricts a fluid to which a predetermined pressure is applied by limiting a pressure balance to maintain a prepared state, and when pressure balance is broken by an external factor such as a pressure change To a ready-operated valve that permits flow of fluid as the blocking condition is released.

Generally, the water level detection device is divided into a wet type, a dry type, and a preparatory operation type. In the wet type water level detection device, the fluid remains in the primary side where the fluid (pressurized water) When the head of the sprinkler head (sealed type) is melted or detached by the fire, the secondary side pressure water is waterproofed when the head is opened. As the secondary pressure is lowered, the pressure switch activates the fire pump by sending a signal to the alarm device And the dry water flow detection device is in balance with the primary pressurized water by injecting nitrogen gas or compressed air into the valve, and when the head is opened by fire, the pressure is lowered and the chamber in the valve is opened, Side pressurized water.

In addition, the ready-operated valve maintains the atmospheric pressure without gas or compressed air on the secondary side. When the fire occurs, the water detector is activated during the preparation operation by the operation of the detector, and the fire extinguishing water is sent to the closed head. It is opened by heat.

In the domestic patent application 10-2013-0061330, a ready-operated valve is disclosed.

5 shows an example of a conventional ready-operated valve. The valve body 300 has an inlet and an outlet. The partition body 310 is formed in the valve body 300. An opening hole 320 is formed.

A seat ring 330 inserted into the valve body 300 and coupled to the opening hole 320 and performing an opening and closing operation with respect to the opening hole 320 is formed at one end, And a cylinder 400 having a guide 410 formed on one side thereof.

A diaphragm 420 is formed on the other side of the cylinder 400 and a fluid injection port 460 is formed in the valve body 300 so that the fluid flows from the outside into the chamber 440 in which the diaphragm 420 is formed.

The diaphragm 420 is driven in accordance with the pressure change, so that the seat ring 330 opens or closes the opening hole 320 to control the movement of the fluid.

On the other hand, in the prior art, since the flow path of the partition 310 and the opening 320 is formed in the valve body 300, a lot of manufacturing costs are required.

Also, in the prior art, there is a disadvantage in that stability is low because a seat ring of a packing type is applied.

In addition, the prior art is disadvantageous in that the flow path is complicated, and in particular, the fluid introduced from the lower part is formed so as to be diverted to the upper direction after being diverted in the perpendicular direction.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an apparatus and a method for controlling a flow rate of a fluid flowing through a valve body such that a fluid flowing from a lower portion of a valve body flows upward to maximally maintain a flow of a linear flow path as much as possible, To provide a ready-operated valve capable of reducing the pressure loss and thus improving the performance.

Further, a disk for controlling the opening and closing of the fluid and a modular block of the diaphragm can be mounted inside the valve body to perform the opening and closing operation, and the module can be simplified to simplify the parts, To provide a ready-operated valve that is easy to install and disassemble and that can improve the accuracy of operation.

The preliminary actuated valve according to the disclosed embodiment is a preliminary actuated valve that is opened and closed by a diaphragm, wherein an inlet and an outlet are respectively formed in the upper and lower portions, a space is formed therein, A formed valve body; A seat seating portion formed inside the valve body and having a seat formed around an opening hole communicating with an inlet; And a valve opening / closing control part coupled to the inside of the valve body and controlling the movement of the fluid by opening and closing the seat seating part, wherein the valve opening / closing control part includes a clapper which is seated on the seat seating part, A diaphragm for controlling the lifting and lowering operation of the clapper, and a housing having a chamber into which the diaphragm is coupled.

According to the embodiment, the fluid flowing from the lower portion of the valve body flows upward so that the flow of the fluid in the linear direction can be maintained as much as possible, and the flow of the fluid is maintained in the linear direction, It is possible to improve the performance.

According to the embodiment, the disk for controlling the opening and closing of the fluid and the module in which the diaphragm is modularized can be mounted inside the valve body to perform the opening and closing operation, and the module can be simplified to simplify the parts, So that it is easy to mount and disassemble, and the accuracy of operation can be improved.

1 is a front exploded perspective view of a ready-operated valve according to one embodiment,
Figure 2 is a bottom exploded perspective view of the ready-operated valve according to one embodiment,
3 is a cross-sectional view illustrating the operation of a ready-operated valve in accordance with one embodiment,
FIG. 4 is a sectional view showing a 'valve opening / closing control unit' in FIG. 3,
5 is a cross-sectional view of a pre-actuated valve according to the prior art;

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the invention as claimed. It does not mean anything.

In addition, the sizes and shapes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation, and the terms defined specifically in consideration of the configuration and operation of the present invention may vary depending on the intention or custom of the user, operator It should be noted that the definitions of these terms should be made on the basis of the contents throughout this specification.

1 is a front exploded perspective view of a ready-operated valve according to an embodiment, Fig. 2 is a rear exploded perspective view of a ready-operated valve according to an embodiment, Fig. 3 is a perspective view of a preparation according to an embodiment FIG. 4 is a cross-sectional view illustrating a 'valve opening / closing control unit' in FIG. 3; FIG.

As shown in Figs. 1 to 4, the preparatory operation valve according to an embodiment is a preparatory operation valve that is operated by opening and closing by a diaphragm, in which an inlet 21 and an outlet 22 are formed A valve body 2 having a space 23 formed therein and having a ventilation hole 24 at an upper portion and a discharge port 25 at a lower portion at one side of the side thereof; An opening hole 40 formed in the inside of the valve body 2 and communicating with the inlet 21 and a seat seating portion 4 formed with a seat 41 around the opening hole 40; And a valve opening / closing control part (6) coupled to the inside of the valve body (2) and controlling the movement of fluid by opening and closing the seat seating part (4).

The valve body 2 is formed in an approximately ellipsoidal cylindrical shape and has an outlet 22 formed at an upper portion thereof and an inlet 21 formed at an upper portion thereof and a flange formed at an outlet 22 and an inlet 21 thereof, And the inside is formed as an empty space.

An insertion port 27 is formed on the other side of the side surface of the valve body 2 so as to be used for pulling in or pulling out the valve opening and closing control unit 6. The insertion port 27 is coupled with a finishing plate 272 and closed.

The packing 273 is interposed around the insertion port 27, and the finishing plate 272 is connected by bolting and sealed.

The seat seating portion 4 is formed inside the valve body 2. The seat seating portion 4 is formed with an opening hole 40 corresponding to the inlet 21 and the seat 41 is formed so as to have close contact with the periphery of the opening hole 40, As shown in Fig.

Closing control portion 6 is coupled to the seat seating portion 4 and opening and closing control is performed so that the flow of fluid can be turned on and off by an operation in which the valve opening / closing control portion 6 is brought into close contact with or away from the seat 41 .

The valve opening and closing control unit 6 includes a clapper 62 that is seated on the seat seating unit 4 to close or open the opening hole 40 and a diaphragm 64 that controls the lifting operation of the clapper 62 And a housing 66 having a chamber 662 into which the diaphragm 64 is coupled.

The housing 66 has a hemispherical shape and is hollow and has a bottom opened. The housing 66 has a hemispherical shape. The housing 66 is hollow and has an upper portion opened to be symmetrically coupled to the lower portion of the cover 664 666).

The lid 664 and the body 666 are similar in shape and hemispherical so that they are joined together to form an elliptical sphere.

A flange is formed on the outer periphery of the cover 664 and the main body 666. After the bolt is fastened to the flange, the nut can be engaged and the fastened state can be maintained.

The lid 664 has a pin engagement portion 665 formed on the upper surface thereof and a pin hole 667 formed on one side of the pin engagement portion 665 and a fluid transfer port 669 formed on a side surface thereof.

The fixing pin 668 is coupled to the mounting portion formed inside the valve body 2. This will be described later.

The connection pipe 670 is connected to the fluid transfer port 669 of the cover 664 and the connection pipe 670 is connected to the one vent hole 24 of the valve body 2 so as to be inserted into the chamber 662 from outside. Allow fluid to flow in and out.

When the fluid in the chamber 662 is discharged to the outside through the connection pipe 670, the diaphragm 64 is deformed to be convex upward, and the clapper 62 Thereby opening and operating.

A manifold 150 is connected to a connection pipe 670 connected to the ventilation hole 24 and various pressure gauges 120, a solenoid valve 130 and a ball valve 140 are connected to the manifold 150 do.

As shown in FIG. 1, the manifold 150 is formed in a plate shape, and a plurality of flow paths 152 are formed therein. On the outer surface thereof, a plurality of flow paths 152 are connected to the manifold 150, and various pressure gauges 120 and solenoid valves (130), and a ball valve (140).

Accordingly, since various pressure gauges 120, solenoid valves 130 and ball valves 140 are connected to the fastening holes of the manifold 150, there is no need to connect separate pipings, Since the number of connection points is reduced, the probability of occurrence of leaking water can be significantly reduced, and durability can be improved.

A fixing pin 668 is coupled to the pin hole 667 of the lid 664 and a pin engagement portion 665 of the lid 664 is fitted to one side of the valve body 2, And a plurality of mounting portions 682 radially formed on the outer circumferential surface of the ring member 680 and connected to the inner circumferential surface of the valve body 2 are formed.

Thus, when the fixing pin 668 coupled to the pin hole 667 of the cover 664 is horizontally coupled to the coupling hole of the ring member 680, the valve opening / closing control unit 6 is coupled to the valve body 2 State.

A through hole 666-2 is formed in the bottom surface of the main body 666. A clapper fixing plate 63 is formed in the through hole 666-2 and a diaphragm 64 is coupled to the clapper fixing plate 63. [ And the fixing bolt 64a penetrates through the center of the clapper fixing plate 63 and is engaged.

The clapper shaft 65 is closely attached to the lower center of the clapper fixing plate 63 and the fixing bolt 64a is screwed to the upper end of the clapper shaft 65.

Meanwhile, the diaphragm 64 is tightly coupled to the bottom surface of the main body 666, the outer periphery is fixed between the cover 664 and the main body 666, and the fixing bolt 64a penetrates through the center.

And a diaphragm fixing plate 67 which is pressed on the fixing bolt 64a and is supported on one surface of the diaphragm 64 and overlapped with the clapper fixing plate 63. [

It is preferable that the clapper fixing plate 63 and the diaphragm fixing plate 67 are formed in a plate shape having the same area.

The clapper 62 has a conical protrusion 622 protruding downward and corresponding to the diameter of the opening 40 and a protrusion 622 formed on the outer circumference of the protrusion 622 to define a protrusion And a plurality of struts 626 vertically formed on the upper surface of the projecting portion 622 and connected to the lower surface of the clapper fixing plate 63. [

When the clapper 62 is lowered during the closing operation, the projecting portion 622 slips even if the sloped surface is touched to any part of the opening hole 40. As a result, So as to align the posture naturally.

The contact portion 624 is preferably formed to be slightly larger than the diameter of the opening hole 40 and formed in a shape that is in close contact with the sheet 41.

Hereinafter, the operation of the present invention will be described.

In the state before operation, the external pressure is supplied to the chamber 662 through the fluid transfer port 669 so as to be kept equal to the water pressure at the lower inlet side, so that the clapper 62 blocks the opening hole 40 to be.

On the other hand, in the case of a fire or the like, the pressure of the primary side pipe is lost while the sprinkler is operated, and when the pressure in the chamber 662 is lost through the fluid transfer port 669 in conjunction therewith, So that the clapper 62 is lifted and the fluid flows into the valve body 2.

The fluid introduced into the valve body 2 is immediately transferred to the upper portion and then discharged through the outlet 22.

Therefore, since the fluid supplied from the lower portion is raised in the vertical direction and discharged to the outlet 22, there is no attempt to change the flow direction of the fluid, so that the fluid pressure can be stably maintained.

Closing of the valve is made possible by closing the valve formed in the lower pipe. When the valve 272 is opened and fixed, The valve opening / closing control unit 6 can be taken out to the outside after releasing the pin 668. [

When the new valve opening / closing control unit 6 is mounted, the repair operation can be completed easily.

Although the present invention has been described in connection with the above-mentioned preferred embodiments, it will be apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit and scope of the invention, It is obvious that the claims fall within the scope of the claims.

2: valve body 4: seat seating portion
6: valve opening / closing control part 24:
25: outlet 40; Aperture ball
41: Sheet 62: Clapper
64: diaphragm 66: housing

Claims (7)

A ready-operated valve that is opened and closed by a diaphragm,
A valve body having an inlet and an outlet formed in the upper and lower portions, respectively, a space formed therein, a side surface having a vent and an outlet;
An opening hole formed in the valve body and communicating with an inlet; a seat seating portion formed with a seat around the opening hole;
And a valve opening / closing control unit coupled to the valve body to open and close the seat seating unit to control fluid movement,
Wherein the valve opening /
A clapper coupled to the seat seating portion to close or open the aperture;
A diaphragm for lifting and lowering the clapper;
And a housing having the chamber in which the diaphragm is coupled to the inside and the fluid enters and exits
The housing
A cover which is hollow inside and whose bottom is open;
And a body that is hollow and has an open top and is symmetrically coupled to the bottom of the cover
The cover
A pin coupling part protruding from an upper surface and having a pin hole formed at one side thereof;
A fixing pin coupled to the pin hole;
And a fluid transfer port formed on a side surface thereof,
One end of the connection pipe is coupled to the fluid transfer port and the other end of the connection pipe is connected to the vent port of the valve body so that fluid can be introduced into and externally introduced into the chamber from the outside
A ring member formed at one side of the valve body and having a coupling hole into which the pin coupling portion of the lid is fitted;
And a plurality of mounting portions radially formed on an outer circumferential surface of the ring member and connected to an inner circumferential surface of the valve body,
Wherein the fixing pin is horizontally coupled to the coupling hole of the ring member so that the valve opening / closing control unit is engaged. delete delete The method according to claim 1,
A manifold is coupled to the connection pipe,
Wherein the manifold has a plurality of flow paths formed therein and a plurality of fastening holes communicating with a plurality of flow paths are formed on an outer surface thereof. delete The method according to claim 1,
The body
A clapper fixing plate having a through hole formed on a bottom surface thereof and coupled to the through hole and coupled with the diaphragm;
A fixing bolt penetrating through the clapper fixing plate;
And a clapper shaft formed at a lower portion of the clapper fixing plate and connected to the fixing bolt and having a clapper at a lower end thereof,
In the diaphragm,
The outer periphery is fixed between the lid and the main body, the fixing bolt penetrates and is engaged,
And a diaphragm fixing plate which is pressed onto the fixing bolt and is supported on one surface of the diaphragm and overlapped with the clapper fixing plate. The method according to claim 1,
The clapper
A protruding portion protruding downward in a convex shape and having a conical shape corresponding to the diameter of the opening hole;
A tightly formed portion formed on an outer periphery of the projecting portion and closely attached to a seat of the seat seating portion;
Wherein the valve comprises a valve body.
KR1020160036001A 2016-03-25 2016-03-25 Pre action valve KR101666070B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020160036001A KR101666070B1 (en) 2016-03-25 2016-03-25 Pre action valve

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Application Number Priority Date Filing Date Title
KR1020160036001A KR101666070B1 (en) 2016-03-25 2016-03-25 Pre action valve

Publications (1)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101853249B1 (en) * 2017-06-13 2018-04-30 주식회사 티지화이어 Alarm valve for firefighting comprising secondery overpressure preventing structure
WO2021191825A1 (en) * 2020-03-25 2021-09-30 Tyco Fire Products Lp Systems and methods of flow control valves with manifolds
WO2022038467A1 (en) * 2020-08-18 2022-02-24 Tyco Fire Products Lp Dry pipe accelerator systems and methods
WO2022084781A1 (en) * 2020-10-20 2022-04-28 Tyco Fire Products Lp Dry pipe manifold systems and methods
WO2022144706A1 (en) * 2020-12-28 2022-07-07 Tyco Fire Products Lp Riser manifold layout
KR102450380B1 (en) * 2022-05-11 2022-10-05 (주)도진이앤엠 Fire-fighting valves

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060070883A (en) * 2004-12-21 2006-06-26 현대자동차주식회사 Egr valve of vehicle
KR100871170B1 (en) * 2008-02-28 2008-12-05 김상욱 Automatic pressure reducing valve
JP2011229693A (en) * 2010-04-28 2011-11-17 Maezawa Ind Inc Valve device having pressure detection function

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060070883A (en) * 2004-12-21 2006-06-26 현대자동차주식회사 Egr valve of vehicle
KR100871170B1 (en) * 2008-02-28 2008-12-05 김상욱 Automatic pressure reducing valve
JP2011229693A (en) * 2010-04-28 2011-11-17 Maezawa Ind Inc Valve device having pressure detection function

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101853249B1 (en) * 2017-06-13 2018-04-30 주식회사 티지화이어 Alarm valve for firefighting comprising secondery overpressure preventing structure
WO2021191825A1 (en) * 2020-03-25 2021-09-30 Tyco Fire Products Lp Systems and methods of flow control valves with manifolds
CN115362008A (en) * 2020-03-25 2022-11-18 泰科消防产品有限合伙公司 System and method for flow control valve with water knockout trap
CN115362008B (en) * 2020-03-25 2024-03-26 泰科消防产品有限合伙公司 System and method for a flow control valve with a diverter
WO2022038467A1 (en) * 2020-08-18 2022-02-24 Tyco Fire Products Lp Dry pipe accelerator systems and methods
WO2022084781A1 (en) * 2020-10-20 2022-04-28 Tyco Fire Products Lp Dry pipe manifold systems and methods
WO2022144706A1 (en) * 2020-12-28 2022-07-07 Tyco Fire Products Lp Riser manifold layout
KR102450380B1 (en) * 2022-05-11 2022-10-05 (주)도진이앤엠 Fire-fighting valves

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