KR102206619B1 - Bypass type fluid control complex valve - Google Patents

Abstract

The present invention provides a bypass-type fluid control complex valve which comprises: a valve body formed to be divided into a first upper chamber, a second upper chamber, a first lower chamber and a second lower chamber within a body between an inlet, through which raw water is introduced, and an output, through which the raw water is discharged; a primary valve opening and closing an entrance port formed on an entrance partition dividing the first upper chamber from the first lower chamber to make the first lower chamber, extended from the inlet, selectively communicate with the first upper chamber; a secondary valve opening and closing an exit port formed on an exit partition dividing the second upper chamber from the second lower chamber to make the second lower chamber, extended from the outlet, selectively communicate with the second upper chamber; a control valve performing a control operation to regulate the flow of a fluid in a main flow path passing through a control port formed on an upper middle partition dividing the first upper chamber from the second upper chamber; and a bypass valve opening and closing a bypass port formed on a lower middle partition dividing the first lower chamber from the second lower chamber to make the first lower chamber, extended from the inlet, selectively communicate with the second lower chamber, extended from the outlet, wherein the main flow path is formed to make the raw water sequentially pass through the first lower chamber, the first upper chamber, the second upper chamber and the second lower chamber and a bypass flow path is formed to make the raw water pass through the first lower chamber and the second lower chamber.

Description

Bypass type fluid control complex valve

The present invention relates to a bypass-type fluid control complex valve, and more particularly, it is possible to bypass the flow path without stopping the water supply by a simple operation of the bypass valve during repair and replacement work, and supply water by a simple design change of the valve body. The present invention relates to a bypass type fluid control complex valve capable of simplifying the valve structure and assembly structure by forming a bypass flow path inside the valve body.

In general, fluid control valves for controlling fluids such as water can be classified in various ways according to their use.

These fluid control valves are installed in the pipe to reduce pressure when the fluid pressure is higher than the intended use and to maintain a constant pressure after the pressure reduction, and a structure in which force is applied to the valve by dead weight, spring, diaphragm, etc. Equipped with a pressure reducing valve that lowers the pressure of the fluid and supplies it, an Auto Flow Control Valve that enables accurate distribution of flow rate regardless of pressure fluctuations in the piping system, and a supply pipe. Differential Control Valves, which are installed between the return line and the return line to resolve the differential pressure imbalance due to the change in the load of the pipe and maintain the differential pressure constant, thereby inducing the stabilization of the entire piping facility, and the water tank. It is installed on the piping line to supply water to the water tank, and at the same time, it controls the closing speed of the valve to prevent the water hammer phenomenon. I can.

(Patent Document 1) KR10-0969820 B1

In Patent Document 1, a primary valve equipped with a primary valve unit that is screwed so as to be vertically movable to one side in the direction of the inlet port of the valve body to selectively shield the start port of the gas passage, and perpendicular to one side in the direction of the outlet port of the valve body The secondary valve is movably screwed to shield the end port of the gas passage, and one side of the inlet port side and one side of the outlet port side formed to be opened are connected to allow fluid to flow, but at the end connected to the inlet port side. A bypass body with a manual water supply valve installed, a strainer installed in communication with the start port on the main channel to filter foreign substances generated during the flow of the fluid, and installed on the gas channel partitioned between the primary valve and the secondary valve. Disclosed is a valve capable of manual water supply, which can minimize the installation space by simplifying the structure while preventing water from being cut off even when cleaning the strainer, including the control unit, to remove foreign substances or disassembling, checking or repairing the control valve.

However, such a conventional valve forms a bypass communication hole through each of the outer surfaces of the valve body corresponding to the primary and secondary valves, couples a bypass body having a bypass flow path, and selectively opens and closes the bypass flow path to the bypass body. And because a manual water supply valve consisting of a stem, a handle and a manual water supply valve unit must be installed to control the flow rate, the structure of coupling the valve body and the bypass body to each other was complicated, and there was a risk of leakage through the coupling part between them. .

In addition, due to the installation structure of a valve that has a combination of a fluid control valve and a manual valve, the bypass body and the manual water supply valve protrude excessively laterally on one outer surface of the valve body, so sufficient space must be secured when installing the valve. There is a problem that it becomes difficult to install in a space having a limited size.

Accordingly, the present invention is to solve the above-described problems, and its object is a bypass type fluid control capable of bypassing the flow path without stopping water supply by simple and simple operation of a manual valve during repair and replacement work. We want to provide a composite valve.

In addition, another object of the present invention is to form a bypass flow path inside the valve body by a simple design change of the valve body, thereby simplifying the bypass structure, and a bypass type fluid control valve assembly that can be conveniently installed without space restrictions. Want to provide.

The technical problems to be achieved in the present invention are not limited to the technical problems mentioned above, and other technical problems that are not mentioned will be clearly understood by those of ordinary skill in the technical field to which the present invention belongs from the following description. I will be able to.

As a specific means for achieving the above object, a preferred embodiment of the present invention includes a first upper chamber, a second upper chamber, and a first lower chamber between an inlet through which raw water is introduced and an outlet through which the raw water is discharged. A valve body having a second lower chamber dividedly formed inside the body; A primary valve selectively communicating between the first lower chamber and the first upper chamber extending from the inlet by opening and closing an inlet port formed in an inlet partition partitioning between the first upper chamber and the first lower chamber; A secondary valve selectively communicating between the second lower chamber and the second upper chamber extending from the outlet by opening and closing an outlet port formed in an outlet partition wall partitioning between the second upper chamber and the second lower chamber; A control valve for controlling the fluid flow of the main passage through the control port formed in the upper intermediate partition wall partitioning between the first upper chamber and the second upper chamber to be constant; Selectively communicating between the first lower chamber extending from the inlet and the second lower chamber extending from the outlet by opening and closing a bypass port formed in the lower intermediate partition wall partitioning between the first lower chamber and the second lower chamber. Bypass valve; Including, by the opening operation of the primary valve and the secondary valve and the closing operation of the bypass valve, the raw water sequentially opens the first lower chamber, the first upper chamber, the second upper chamber, and the second lower chamber. Forming a main flow path passing through, and forming a bypass flow path through which the raw water passes through the first lower chamber and the second lower chamber by the closing operation of the primary valve and the secondary valve and the opening operation of the bypass valve. It provides a bypass type fluid control complex valve characterized by.

At this time, the bypass valve is a valve cover for rotatably supporting the steel ball body in contact with the inner surface while covering and sealing the steel ball body disposed in the second lower chamber so as to correspond to the bypass port, and the mounting hole formed through the valve body Including, wherein the steel sphere is a first communication port selectively communicating with any one of the bypass port and the second lower chamber, and a first communication port selectively communicating with one of the second lower chamber and the valve cover. It is formed inside the body to connect the two communication ports to each other.

At this time, the steel ball body has a locking groove formed to be recessed so that the tip of the horizontal actuating bar is hooked and disposed on one outer surface, and has a support bracket mounted on the outer surface of the valve body to rotatably support the horizontal actuating bar, and , It may include a vertical operation bar having an assembly hole in the lower end is assembled to the rear end of the horizontal operation bar.

At this time, the horizontal operation bar is provided with a pair of left and right control bars extending outward in the middle of the length, and a pair of left and right protruding jaws at one end of the support bracket contacting the left and right pair of control bars to limit the rotation of the horizontal operation bar. can do.

According to the preferred embodiment of the present invention as described above has the following effects.

A steel ball forming the first and second communication ports is rotatably mounted under the inner space of the valve body including the primary and secondary valves and the fluid control valve, and a bypass channel can be formed by a simple rotation operation of the steel ball. Because it is possible to bypass the fluid flow path without stopping water supply by simple and simple operation of the bypass valve when repairing and replacing the fluid control valve, the repair and replacement work can be safely performed, while the user's convenience. You can increase your sex.

In addition, by forming a bypass flow path in the lower side of the inner space of the valve body by simple design change of the valve body, the structure to bypass the fluid can be simplified, thereby reducing manufacturing cost, and the complex valve can be conveniently installed without space restrictions. There is an effect that can increase the convenience in use.

1 is an external perspective view showing a bypass type fluid control complex valve according to an embodiment of the present invention.
2 is a cross-sectional perspective view showing a bypass type fluid control complex valve according to an embodiment of the present invention.
3A is an assembly view showing a bypass manual valve provided in a bypass-type fluid control complex valve according to an embodiment of the present invention.
3B is an exploded perspective view showing a bypass valve provided in the bypass-type fluid control complex valve according to an embodiment of the present invention.
4A and 4B are external views showing a closed state and an open state of a bypass valve provided in the bypass-type fluid control composite valve according to an embodiment of the present invention.
5A and 5B are operational state diagrams illustrating a main flow path and a bypass flow path when the bypass valve provided in the bypass-type fluid control composite valve according to an embodiment of the present invention operates.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings in which a person of ordinary skill in the art can easily implement the present invention. However, when it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

In addition, the same reference numerals are used for parts having similar functions and functions throughout the drawings.

In addition, throughout the specification, when a part is said to be'connected' to another part, it is not only'directly connected', but also'indirectly connected' with another element in the middle. Include. In addition, "including" a certain component means that other components may be further included, rather than excluding other components unless specifically stated to the contrary.

The bypass-type fluid control complex valve 100 according to a preferred embodiment of the present invention is a valve body 1, a primary valve 10, a secondary valve 20, as shown in FIGS. 1 and 2, A control valve 30 and a bypass valve 40 may be included.

As shown in Figs. 1 and 2, the valve body 1 has an inlet 2a connected in communication with the main pipe on the inlet side so that raw water for water supply or heating and cooling flows in one direction, and the main pipe on the outlet side. As a result, it is a molded structure in which raw water passing through the main passage or the bypass passage is discharged and discharged through the outlets 2b at both ends of the drawing.

The inner space of the valve body 1 is the first and second upper chambers S1 and S2 on the upper side and the first and second lower chambers on the lower side based on the approximately horizontal inlet partition 3 and the outlet partition 4 T1 and T2) are divided up and down, and the first upper chamber S1 and the second upper chamber S2 are divided into left and right sides with an upper intermediate partition wall 5 as a boundary, and the first lower chamber T1 ) And the second lower chamber T2 are divided into left and right sides with the lower intermediate partition wall 6 as the boundary.

The first upper chamber (S1) and the second upper chamber (S2) are upper divided spaces in which the first and second valves 10 and 20 and the control valve 30 are installed, and the first lower chamber T1 ) Is in communication with the inlet 2a through which raw water is introduced, and the second lower chamber T2 is a lower divided space in communication with the outlet 2b through which raw water is discharged.

And, the inlet partition 3 corresponding to the primary valve 10 is formed through an inlet port P1 selectively opened and closed by the operation of the primary valve, and corresponding to the secondary valve 20 The outlet partition 4 is formed through an outlet port P2 that is selectively opened and closed by the operation of the secondary valve.

The upper intermediate partition 5 is provided with a horizontal surface corresponding to the control valve 30 to pass through the control port P3 so that the raw water of the main passage is controlled while passing through, and the lower intermediate partition 6 has the bypass. By having a horizontal surface corresponding to the valve 40, the bypass port P4 selectively opened and closed by the bypass valve 40 is formed through, and the bypass is bypassed from raw water when the bypass port P4 is opened or closed. The enemies of the flow path are passed or blocked.

The primary valve 10 is an inlet port (P1) formed in the inlet partition (3) partitioning between the first upper chamber (S1) and the first lower chamber (T1), as shown in FIGS. ) Is a valve member that is operated to open and close.

The primary valve 10 selectively communicates between the first lower chamber T1 extending from the inlet 2a and the first upper chamber S1, so that raw water flows into the first lower chamber during the opening operation. It guides toward the first upper chamber to form a main flow path, or blocks raw water during a closing operation to block the main flow path.

The primary valve 10 is provided with a first lower sheet 11 through which a plurality of openings are formed to pass raw water in contact with the inlet port P1, and in the central hole of the first lower sheet. The formed female screw portion 11a and the male screw portion 13a screwed together are formed at the lower end to have a first shaft 13 of a predetermined length that moves up and down during a rotation operation, and is fixed to the lower portion of the first shaft 13 It is equipped with a first upper disk 12 that is installed and moved together with the first shaft, and is assembled to a flange portion of a mounting hole formed at an upper side of the valve body 1 corresponding to the inlet 2a, so that the first shaft When the first upper disk is moved up and down by the operation of the first handle 14 provided on the first shaft with a first valve cover (15) that supports vertical movement, it is in contact with or separated from the upper surface of the first lower seat. As a result, the flow path may be selectively opened and closed by covering or exposing the opening of the first lower sheet.

In this case, the first vertical guide plate 19 is provided with a first horizontal guide bar 18 of a predetermined length fixedly installed in the middle of the length of the first shaft 13, and fixedly installed perpendicularly to the first valve cover 15. ), the end of the first horizontal guide bar is correspondingly inserted and positioned as a long hole for vertical guide formed through.

And, in the first upper chamber (S1) in which the primary valve 10 is installed, when the inlet port (P1) is opened, a plurality of outer surfaces of the body are provided to filter and remove foreign substances contained in the raw water passing through the inlet port (P1). It may include a strainer 50 formed through the filtering hole.

It is preferable that the inner edge of the lower end of the strainer 50 has a ring-shaped support for collecting foreign matter so that foreign matter filtered and separated from the filtering hole can be collected without falling toward the inlet port P1.

Accordingly, the vertical movement of the first shaft can be smoothly performed by screwing between the male screw portion of the first shaft and the female screw portion of the lower sheet by the manipulation of the first handle, and the operator By visually checking the vertical movement amount of the first horizontal guide bar constrained to the first shaft by a scale gauge displayed along the long hole for vertical guidance, it is possible to indirectly check whether the inlet port is opened or closed and the passage flow rate of raw water.

As shown in Figs. 1 and 2, the secondary valve 20 is an outlet port (P2) formed in an outlet partition wall (4) partitioning between the second upper chamber (S2) and the second lower chamber (T2). ) Is a valve member that is operated to open and close.

Like the primary valve, the secondary valve 20 selectively communicates between the second lower chamber T2 extending from the outlet port 2b and the second upper chamber S2 to prevent the opening operation. (2) The raw water flowing into the upper chamber is guided to the outlet (2b) to form a main flow path along with the primary valve, or to block the raw water when closing operation to block the main flow path.

The secondary valve 20 is provided with a second lower sheet 21 having a plurality of openings through which it passes through raw water in contact with the outlet port P2, and in the central hole of the second lower sheet. A second shaft 23 having a predetermined length that moves up and down during a rotation operation is formed by forming a male threaded portion 23a that is screwed with the female threaded portion 21a formed at the lower end, and fixed to the lower portion of the second shaft 23 Equipped with a second upper disk 22 that is installed and moved together with the second shaft, the second shaft is assembled to the other flange of the mounting hole formed on the other side of the valve body 1 corresponding to the outlet (2b). The upper surface of the second lower seat when the second upper disk is moved up and down by the operation of the second handle 24 provided on the second shaft with a second valve cover 25 that supports 23 so as to move upward While in contact with, the opening of the second lower sheet may be covered or opened to selectively open and close the flow path toward the outlet.

At this time, the secondary valve is provided with a second horizontal guide bar 28 of a predetermined length fixedly installed in the middle of the length of the second shaft 23 in the same manner as the primary valve, and the second valve cover 25 The end of the second horizontal guide bar is inserted into a long hole for vertical guidance formed through the second vertical guide plate 29 that is fixedly installed to the vertical guide plate 29.

Accordingly, the vertical movement of the second shaft can be smoothly performed by screwing between the male screw portion of the second shaft and the female screw portion of the lower seat by the manipulation of the second handle, and the operator By visually checking the vertical movement amount of the second horizontal guide bar confined to the second shaft by a scale gauge displayed along the long hole for vertical guidance, it is possible to indirectly check whether the outlet port is opened or closed and the flow rate of raw water.

Here, the primary valve 10 and the secondary valve 20 manually operate the first and second shafts vertically by rotating the first and second handles to open and close the inlet port and the outlet port, respectively. Although illustrated and described as being provided as a valve, the present invention is not limited thereto, and may be provided as an automatic valve that automatically opens and closes the inlet port and the outlet port.

As shown in Figs. 1 and 2, the control valve 30 divides the first upper chamber S1 and the second upper chamber S2 on the upper side of the inner space. It is provided on the upper surface of the valve to control the opening and closing size of the control port (P3) formed in the upper intermediate partition wall (5) partitioning between the first upper chamber (S1) and the second upper chamber (S2).

By controlling the opening/closing size of the control port by such a control valve, the fluid flow through the main flow path through the control valve is kept constant and can be stably supplied to the user without damage to the piping equipment.

The control valve 30 is provided with a diaphragm case 31 penetrating the upper and lower vent holes 31a and 31b so as to communicate with the outside, and the outer side between the upper and lower cases constituting the diaphragm case. A vertical axis ( 34), it is connected to the upper end of the vertical axis and is arranged on the vertical axis so that the lower end is connected to the diaphragm case, and has a spring 33 transmitting elastic force to the direct lower part, and is coupled with the diaphragm case 31 While having a yoke 35 mounted in a mounting hole penetrating through the valve body 1, the control port corresponds to the lower end of the vertical shaft 34 assembled through the vertical guide hole of the yoke 35 It is arranged so as to control the opening and closing amount of the control port (P3) may include a control cone 36 that moves up and down with the vertical axis.

Accordingly, the control cone automatically controls the degree of opening and closing of the control port P3 as the diaphragm is raised and lowered by the pressure introduced through the upper and lower vent holes of the diaphragm case and moves up and down along with the vertical axis. It is to keep the flow rate of the flow path constant.

In this case, an O-ring member (not shown) in contact with the control tube may be selectively provided on the inner edge of the control port P3 corresponding to the control cone, and the elastic force of the spring 33 at the upper end of the vertical shaft 34 Adjustment screws may be provided to adjust the values according to operating conditions.

In order to control the flow rate by the pressure difference between the supply line connected to the inlet and the water outlet line connected to the outlet, the diaphragm and the vertical axis move up and down by the pressure flowing through the vent hole of the diaphragm case. By doing so, it may be provided as a differential pressure flow rate control valve that controls the opening/closing amount of the flow path by the control cone so that a certain amount of fluid flows to the outlet side, but is not limited thereto. It may be selectively provided with one valve.

The bypass valve 40 is a valve that divides the first lower chamber T1 and the second lower chamber T2 on the lower side of the inner space, as shown in FIGS. 1, 2, and 3A and 3B. It is provided under the outer surface of the main body 1 and selectively opens and closes the bypass port P4 formed in the lower intermediate partition wall 6 partitioning between the first lower chamber T1 and the second lower chamber T2. It is a valve member.

Accordingly, by selectively opening and closing the bypass port P4 by the operation of the bypass valve 40, the first lower chamber T1 extending from the inlet 2a and the second lower chamber T1 extending from the outlet 2b It selectively communicates between the lower chambers T2 to form or block a bypass channel that replaces the main channel when the control valve is replaced or repaired.

This bypass valve 40 is inserted through a mounting hole formed through the outer surface of the valve body 1 corresponding to the bypass port (P4) to form a steel ball 43 disposed in the second lower chamber (T2). And a valve cover 49 for rotatably supporting the steel sphere 43 in contact with the inner surface while covering and sealing the mounting hole.

The steel ball 43 is selectively connected to a first communication port 41 that selectively communicates with one of the bypass port P4 and the second lower chamber, and any one of the second lower chamber and the valve cover. It may be made of a substantially spherical metal structure formed through the inside of the body so as to connect the second communication ports 42 communicated in correspondence with each other.

At this time, the first communication port 41 and the second communication port 42 are formed to expose the outer opening end with a phase difference of approximately 90 degrees on the outer surface of the steel ball body 43, and the center of the body of the steel ball body By forming the inner ends to meet each other, it is preferable that the first communication port 41 and the second communication port 42 connected to each other are formed in an approximately b cross-section inside the body of the steel sphere.

The steel ball body 43 has a locking groove 43c recessed so that the locking projection 45a formed at the front end of the horizontal operation bar 45 having a predetermined length is disposed on the outer surface of one side thereof, and the valve body ( An assembly hole that is mounted on the outer surface of 1) and has a support bracket 44 for rotatably supporting the horizontal operation bar 45, and an assembly jaw 45b formed at the rear end of the horizontal operation bar 45 is assembled It may include a vertical operation bar 46 of a predetermined length provided with (46a) at the lower end.

At this time, between the inner edge of the bypass port (P4) and the outer surface of the steel ball 43, while preventing the raw water from the main flow path to flow out to the second lower chamber when the steel ball 43 is rotated, the Equipped with an annular upper sealing member (43a) so that the steel ball can be rotated smoothly, and an annular lower seal is also provided between the inner surface of the valve cover 49 and the outer surface of the steel ball 43 It is preferable to arrange and provide the member 43b.

In addition, the horizontal operation bar 45 is provided with a pair of left and right control bars 45c extending outward in the middle of the length, and at one end of the support bracket 44 is in contact with the left and right pair of control bars 45c, It is preferable to include a pair of left and right protruding jaws 44a for controlling the rotational movement of the steel ball by 90 degrees while limiting the rotation of the operation bar 45.

Accordingly, as the horizontal operation bar is rotated in conjunction with the rotation operation of the vertical operation bar, the steel ball is rotated, so that the first communication ports formed in the steel ball correspond to each other with the bypass port, and the second communication port The first lower chamber and the second lower chamber are communicated with each other through the first and second communication ports of the steel ball in correspondence with the second lower chamber, thereby forming a bypass passage.

4A and 5A illustrate the formation of a main flow path when the bypass valve provided in the bypass-type fluid control composite valve according to an embodiment of the present invention is closed, and FIGS. 4B and 5B are A bypass flow path is formed when the bypass valve provided in the pass-type fluid control composite valve is opened.

That is, each of the first and second shafts of the primary valve and the secondary valve is raised to expose and open the openings of the first and second lower seats, thereby opening the inlet port and the outlet port, while the vertical of the bypass valve. The operation bar maintains a vertical state so that the bypass port on which the steel ball is located is kept closed in correspondence with the sealing surface of the steel ball.

In this case, the inlet, the first lower chamber, the first upper chamber, the second upper chamber, the second lower chamber, and the outlet form a main flow path through which they communicate with each other, so that the raw water flowing through the inlet is discharged through the outlet. It is discharged and supplied through the flow path.

At this time, the fluid in the main flow passage passing through the control port provided between the first upper chamber and the second upper chamber maintains a constant fluid flow by a control valve corresponding to the control port and is stable without damage to the piping equipment. To the place of use.

On the other hand, in the case of replacing or repairing the control valve with a new part, the main flow path must be blocked so that raw water can be supplied without a step, while the bypass flow path must be opened to perform raw water supply without interruption.

Contrary to the above, the first and second shafts of the primary valve and the secondary valve are respectively lowered and the openings of the first and second lower seats are covered and sealed by the first and second upper disks, thereby closing the inlet port and the outlet port. On the other hand, the vertical operation bar of the bypass valve is rotated 90 degrees counterclockwise in the drawing from a vertical state to a horizontal state, so that the first communication port of the steel sphere communicates with each other in correspondence with the bypass port. The second communication port of the valve cover corresponds to and communicates with the second lower chamber from the inner surface.

In this case, when the inlet port and the outlet port are switched to a closed state by the primary and secondary valves and the main flow path is blocked, a bypass flow path in which the inlet, the first lower chamber, the second lower chamber, and the outlet port communicate with each other. Since it can form the raw water flowing through the inlet during repair or replacement of the control valve can be stably discharged and supplied through the bypass channel to prevent the water supply interruption.

The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and various substitutions, modifications and changes are possible within the scope of the technical spirit of the present invention. It will be obvious to those who have the knowledge of.

1: valve body
2a: inlet
2b: outlet
3: Entrance bulkhead
4: Exit bulkhead
5: upper intermediate bulkhead
6: lower intermediate bulkhead
10: primary valve
20: secondary valve
30: control valve
40: bypass valve
41,42: communication ports 1 and 2
43: steel sphere
44: support bracket
45: horizontal operating bar
46: vertical operation bar
50: strainer
S1,S2: upper chambers 1 and 2
T1,T2: 1st and 2nd lower chamber
P1,P2,P3,P4: inlet port, outlet port, control port, bypass port

Claims (4)

A valve body having a first upper chamber and a second upper chamber, and a first lower chamber and a second lower chamber divided into the body between an inlet through which raw water flows and an outlet through which the raw water flows out;
A primary valve selectively communicating between the first lower chamber and the first upper chamber extending from the inlet by opening and closing an inlet port formed in an inlet partition partitioning between the first upper chamber and the first lower chamber;
A secondary valve selectively communicating between the second lower chamber and the second upper chamber extending from the outlet by opening and closing an outlet port formed in an outlet partition wall partitioning between the second upper chamber and the second lower chamber;
A control valve for controlling the fluid flow of the main passage through the control port formed in the upper intermediate partition wall partitioning between the first upper chamber and the second upper chamber to be constant;
Selectively communicating between the first lower chamber extending from the inlet and the second lower chamber extending from the outlet by opening and closing a bypass port formed in the lower intermediate partition wall partitioning between the first lower chamber and the second lower chamber. Bypass valve; Including,
The bypass valve includes a steel sphere inserted through a mounting hole formed through the outer surface of the valve body corresponding to the bypass port and disposed in the second lower chamber, and a steel sphere contacting the inner surface while covering and sealing the mounting hole. It includes a valve cover for rotatably supporting,
The steel sphere comprises a first communication port selectively communicating with one of the bypass port and the second lower chamber, and a second communication port selectively communicating with one of the second lower chamber and the valve cover. With a phase difference of 90 degrees on the outer surface of the steel ball, the outer open ends are exposed so that the inner ends meet each other in the center of the body of the steel ball,
The steel ball body has a locking groove formed to be recessed so that the locking jaw formed at the front end of the horizontal operating bar is arranged on one outer surface, and a support bracket mounted on the outer surface of the valve body to rotatably support the horizontal operating bar And a vertical operation bar having an assembly hole at a lower end for assembling an assembly jaw formed at a rear end of the horizontal operation bar,
By the opening operation of the primary valve and the secondary valve and the closing operation of the bypass valve, the sealing surface of the steel ball is closed in correspondence with the bypass port, and the raw water is the first lower chamber, the first upper chamber, and the second To form a main flow path sequentially passing through the upper chamber and the second lower chamber,
The first communication port of the steel ball and the second communication port of the steel ball correspond to the second lower chamber by the closing operation of the primary and secondary valves and the opening operation of the bypass valve. While making the first and second lower chambers communicate with each other through the first and second communication ports of the steel ball body, the raw water forms a bypass passage through the first and second lower chambers. Bypass type fluid control complex valve characterized by. delete delete The method of claim 1,
The horizontal operation bar is provided with a pair of left and right control bars extending outward in the middle of the length, and a pair of left and right protruding jaws at one end of the support bracket contacting the left and right pair of control bars to limit the rotation of the horizontal operation bar. Bypass type fluid control complex valve characterized by.

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