KR101761750B1 - The solenoid valve is improved flow of the fluid - Google Patents

Abstract

The present invention relates to an electric valve in which the flow of a fluid flowing therein is improved and, more specifically, relates to an electric valve wherein a push-type manual valve is applied preventing an obstruction of the flow of a fluid flowing in the electric valve by improving a structure of a diaphragm assembly applied to the electric valve and applying an LED and the push-type manual valve, enabling a user to check the operation of the electric valve with the unaided eye, and preventing a change in the open or closed state of the electric valve due to reasons such as a fluidic pressure and the like in case of manually operating the electric valve. To achieve this, the electric valve in which the flow of the fluid flowing therein is improved, in the electric valve controlling the flow of the fluid, includes: an upper body wherein a solenoid valve is formed in one side; a lower body coupled to the upper body and having a fluid inlet and a fluid outlet; and the diaphragm assembly coupled to the lower body and opening an outlet connected from the fluid inlet to the fluid outlet. A through-hole through which the fluid flows in is formed in a central shaft of the diaphragm assembly, and a recess unit is formed around the through-hole on a bottom surface of the diaphragm assembly. Accordingly, the electric valve can improve the intake efficiency of a fluid while preventing the obstruction of its flow of fluid.

Description

[0001] The present invention relates to a solenoid valve having improved flow of fluid,

The present invention relates to an electromagnetic valve with improved fluid flow, and more particularly, to a diaphragm assembly for a solenoid valve which is improved in its structure, and an LED and a push-type manual valve are applied to the solenoid valve, A solenoid-operated valve having a push-type manual valve which does not interfere with the flow of the fluid but which can visually confirm the operation of the solenoid valve and which can not open and close the solenoid valve due to hydraulic pressure or the like when manually operating the solenoid valve .

Generally, a valve is a movable mechanism for controlling the flow of liquid substances such as water, oil, and chemical liquids.

These valves are usually composed of valve boxes, lids, valve rods, valve bodies, valve seats and packing, valve buttons, etc., and various types are available depending on the structure.

Among them, a solenoid valve is a valve that automatically opens and closes a valve by using the electromagnetic force of an electromagnetic coil, and is a valve that performs instantaneous full opening and instantaneous full closing, that is, on / off operation.

Such a solenoid valve is mainly used as a fuel cutoff valve and a pilot valve due to the instantaneous opening and closing of the valve.

However, the solenoid valve has a problem that the cushioning space in the valve is narrow, so that it can not be used for a pipe requiring a larger amount of water, and the control of the flow of the liquid is inaccurate.

In order to solve the above problems, a "Solenoid valve" is disclosed in Korean Utility Model Publication No. 20-0204758 (hereinafter referred to as "Prior Art 1").

The upper body 1 and the lower body 2 are made of a non-ferrous metal and the lower body 2 is provided with a liquid A buffer space 6 is formed between the upper and lower bodies 1 and 2 so that the suction port 3 and the suction port 3 are opened and the discharge port 4 is opened to discharge the liquid sucked in the other side, A diaphragm 7 is installed and the diaphragm 7 is provided with an upper and a lower plate fixing bodies 8 and 9 and a sealing plate 12 for opening and closing the discharge opening 5 by a bolt 10, A through hole 15 is formed in the bolt 10 and an antifouling iron core 16 connected to a screw shaft 17 is inserted into the through hole 15. A spring A discharge passage 19 is formed in one side of the upper and lower bodies 1 and 2 and a discharge passage 19 is formed in one side of the upper body 1 so as to be in communication with the discharge passage 19. [ The pressure holding pipe 20 And is inserted and installed.

In the prior art document 1, the pressure holding pipe 20 is formed in the upper body 1 to remove bubbles to precisely control the flow of the liquid, and the buffer space 6 in the upper and lower bodies 1 and 2, When the solenoid valve 21 and the manual valve 27 are configured together to make it difficult to operate the solenoid valve 21 due to a power failure or the like, There is an effect that the flow of the liquid can be controlled.

However, in the prior art 1, since the bolt and the nut portion are protruded toward the outside of the sealing plate, that is, toward the fluid passage, there is a problem that the flow of the fluid is interrupted and the fluid supply is not smoothly performed.

In addition, even if the solenoid valve is in a malfunctioning state due to a trouble or an electric problem, it can not be visually confirmed, thereby causing damage.

In addition, since the manual valve applied to the solenoid valve is not provided with a separate fixing device, there is a problem in that manual control can be released due to hydraulic pressure or other reasons when manually operated.

Prior Art 1: Registered Utility Model No. 20-0204758

SUMMARY OF THE INVENTION It is an object of the present invention to provide a solenoid-operated valve having improved flow of fluid according to the present invention, in which a bolt is not protruded outside a sealing plate, that is, And does not interfere with the flow of the flowing fluid.

It is another object of the present invention to provide an apparatus for visually confirming whether or not the solenoid valve operates by forming an LED that is energized only when the solenoid valve is operated.

In addition, by forming the manual valve for manually operating the solenoid valve to be a manual valve including a separate fixing device, it is possible to provide a device in which the solenoid valve is not released due to hydraulic pressure or the like when the solenoid valve is manually operated .

According to an aspect of the present invention, there is provided an electromagnetic valve for controlling the flow of a fluid, comprising: an upper body having a solenoid valve formed at one side thereof; A lower body coupled to the upper body and having a fluid inlet and a fluid outlet; And a diaphragm assembly coupled to the lower body to open and close a discharge port connected to the fluid discharge port from the fluid intake port, wherein a center hole of the diaphragm assembly has a through hole through which fluid flows, So that the efficiency of introduction of the fluid is increased while preventing the flow of the fluid.

The diaphragm assembly includes a diaphragm interposed between the upper body and the lower body, an upper fixture formed on the diaphragm, a lower fixture formed on the lower portion of the diaphragm, and a lower fixture formed on the lower fixture, Wherein the bolt is integrally formed on the upper portion of the sealing plate fixing plate, and the bolt penetrates through the sealing plate, the upper fixing body, the lower fixing body, and the diaphragm through the sealing plate and the sealing plate fixing plate formed on the lower portion of the sealing plate. And a nut is fixed to the end portion of the through-bolt.

The solenoid valve may include an LED module that emits light when a solenoid valve is operated on the outer surface of the solenoid valve so that the solenoid valve can be visually inspected.

The solenoid valve may include a case coupled to the upper body, a coil formed inside the case, a stationary plunger disposed inside the case, the stationary plunger positioned on the coil center axis, And a spring formed on the flow plunger and forming a tension between the stationary plunger and the flow plunger, wherein the LED module includes an LED element formed on the outside of the case, A second wire inserted into the stationary plunger and exposed to the bottom of the stationary plunger, a second wire inserted into the stationary plunger and exposed to the bottom of the stationary plunger, 3 wire, wherein the second wire and the third wire are connected only when the flow plunger is in contact with the stationary plunger, It is characterized in that the work.

The upper body is provided with a manual valve for manually operating the solenoid valve, and the manual valve is provided with fixing means for preventing the manual valve from flowing due to an external force.

The manual valve may include a manual valve case coupled to the upper body, a manual valve plunger slidably inserted into the manual valve case to move the movable plunger up and down, And a stop projection formed on the end portion of the tension spring, wherein the manual valve plunger is fixed in a position where the manual valve plunger is inserted into the manual valve case through the stop projection .

Further, the detent projection has an outer surface formed in a quadrant shape.

According to the present invention having the above-described features, the electromagnetic valve having improved flow of the fluid has the recess formed therein, so that the flow of the fluid flowing inside the solenoid valve is not disturbed, and the fluid easily flows from the recess to the through- The flow efficiency and the inflow efficiency of the fluid can be increased.

In addition, since the LED module is formed in the solenoid valve, light is generated in the LED module when the fluid flows through the solenoid valve, and light is not generated in the LED module when the fluid does not flow. It is possible to know the presence or absence of the fluid flow through the solenoid valve. However, even when the solenoid valve is operated, no light is generated in the LED module, or even when the solenoid valve is not operated, have.

Further, since the manual valve is provided with the fixing means, when the solenoid valve is manually operated through the manual valve, it is possible to prevent the release of the manual valve by the hydraulic pressure.

1 is a perspective view showing an electromagnetic valve with improved flow of fluid according to the present invention;
Figure 2 is a cross-sectional view of an improved solenoid valve of Figure 1;
Figure 3 is an exploded perspective view of the diaphragm assembly of Figure 2;
4 is a cross-sectional view showing a state in which the discharge port of Fig. 2 is opened
5 is a cross-sectional view of the LED module of Fig. 2
6 is an exploded perspective view showing an embodiment of the manual valve according to the present invention.
Figure 7 is a cross-sectional view showing the operating relationship of the manual valve of Figure 6;

The term used in the present invention is a general term that is widely used at present. However, in some cases, there is a term selected arbitrarily by the applicant. In this case, the term used in the present invention It is necessary to understand the meaning.

Hereinafter, the technical structure of the present invention will be described in detail with reference to preferred embodiments shown in the accompanying drawings. Here, it should be noted that the expressions related to the directions of up and down, left and right, right, left, and bottom are all described based on the drawings.

The electromagnetic valve with improved flow of fluid according to the present invention is an apparatus which can improve flow efficiency and flow efficiency of fluid.

1 and 2, the electromagnetic valve 1 according to the present invention has improved fluid flow. The electromagnetic valve 1 includes an upper body 10 having a solenoid valve 30 formed on one side thereof, A lower body 20 having a fluid inlet 21 and a fluid outlet 23, and a diaphragm assembly 40 coupled to the upper and lower bodies.

The upper body 10 and the lower body 20 are configured to allow the solenoid valve 30 and the diaphragm assembly to be engaged and operated while the solenoid valve 30 and the diaphragm assembly .

2, the upper body 10 and the lower body 20 form a buffer space A with respect to each other, and the diaphragm assembly 40 is supported by the upper body 10 and the lower body 10, And opens and closes the discharge port (25) connected to the body (20) and flowing in the buffer space part and connected to the fluid discharge port from the fluid discharge port.

A solenoid valve coupling hole 13 is formed on one side of the upper body 10 so that the solenoid valve 30 can be coupled with the solenoid valve coupling hole. (14) is formed.

The upper body 10 is provided with a pressure holding pipe 15 extending from the solenoid valve engagement hole 13 to the cushioning space A and a pressure holding pipe 15 extending from the solenoid valve engagement hole 13 to the fluid outlet 23 By forming the following discharge passage 17, a certain pressure can be maintained even while the fluid is flowing.

In addition, the upper body 10 is provided with a handle 11, and the handle is provided with an anti-clogging iron core 111, thereby preventing clogging of the through hole 495.

The diaphragm assembly 40 is configured to directly restrict the flow of fluid by opening and closing the discharge port 25.

3, the diaphragm assembly 40 includes a diaphragm 41 interposed between the upper body and the lower body, an upper fixture 43 formed on the diaphragm above the diaphragm, A sealing plate 47 formed on the lower fixture to open and close the discharge port, and a sealing plate fixing plate 49 formed on the lower portion of the sealing plate.

At this time, the bolt 491 is integrally formed on the sealing plate fixing plate 49 so that the bolt 491 passes through the sealing plate, the upper fixing body, the lower fixing body, and the diaphragm, A nut 493 is coupled to fix the diaphragm assembly so as not to be disassembled.

A through hole 495 through which the fluid flows is formed in the central axis of the diaphragm assembly 40, and a depression 497 is formed in the bottom surface of the diaphragm assembly about the through hole.

That is, the through hole 495 and the depression 497 are formed in the bolt 491 formed on the central axis of the diaphragm assembly 40, so that there is no protruded portion toward the discharge port 25, The fluid can be densely packed through the depression 497 and flow into the through hole can be facilitated, so that the inflow efficiency of the fluid can be increased.

In addition, the diaphragm assembly (40) is formed with a spring (19) between the diaphragm assembly (40) and the upper body, so that the discharge port can be kept closed by the elastic force of the spring.

The solenoid valve 30 is coupled to the solenoid valve engagement hole 13 and forms a hydraulic pressure difference in the upper and lower bodies to flow the diaphragm assembly 40 to control the flow of the fluid. to be.

The solenoid valve 30 includes a case 33 coupled to the upper body of the solenoid valve 30, a coil 35 formed inside the case 30, and a fixed plunger 37), a flow plunger (39) formed in the case and flowing in the coil center axis, and a spring (391) formed in the flow plunger and forming a tension between the stationary plunger and the flow plunger.

At this time, on the outer surface of the solenoid valve 30, the LED module 31 that emits light when the solenoid valve is operated can be visually confirmed by the operation of the solenoid valve.

5, the LED module 31 includes an LED element 311 formed outside the case 33, a first LED element 311 formed on the LED element and connected to a power source (not shown) A second wire (313) formed on the LED element and inserted into the fixed plunger and exposed to the bottom surface thereof, and a second wire (313) inserted into the fixed plunger and exposed to the bottom surface thereof, 3 < / RTI >

At this time, the exposed end of the LED element 311 is formed of the LED terminal 315, so that the second electric wire and the third electric wire are energized only when the floating plunger is moved toward the fixed plunger.

5A and 5B, the LED element 311 is operated only when the LED terminal 315 is in contact with the flow plunger 39 which is formed of a magnetic material and flows by the coil, and is energized do.

That is, the LED module is operated only when the flow plunger 39 moves toward the fixed plunger 37 and contacts the LED terminal.

In the meantime, the upper body 10 is provided with a manual valve 50 for manually operating the solenoid valve, and a fixing means B is formed on the manual valve so as to prevent the manual valve from flowing or being released by an external force do.

More specifically, the manual valve 50 includes a manual valve case 51 coupled to the upper body, a manual valve plunger 53 slidably inserted into and removed from the manual valve case to move the movable plunger up and down, And a spring (55) forming a tension between the plunger and the upper body.

6, the manual valve plunger 53 includes a pressing portion 531 for pressing the flow plunger 39, a spring fixing jaw (not shown) formed in the pressing portion and supported by the spring 55 533), a support base (536) formed on the pressing portion to transmit a pressing force from the push button, and a push button (538) receiving a pressing force from the user and transmitting the pressing force to the support base.

The fixing means B includes a stop hole 511 formed in the manual valve case 51, a tension spring 535 formed on the manual valve plunger 53 and having elasticity, By including the detent projection 537, the manual valve plunger is held in a fixed state at the position where it is inserted into the manual valve case through the stop projection 537. [

When the push button is pressed, the detent protrusion 537 is moved along the curved surface of the quadrature inside the detent hole 511 and is removed. When the push button is pressed, The tension of the spring tries to restore the manual valve plunger 53 to its original position, but the quadrant-shaped plane of the detent projection is caught by the stop hole 511, .

At this time, the pressing portion 531 of the manual valve plunger and the end portion of the flow plunger 39 are formed in a curved shape to minimize frictional force.

7, when the solenoid valve is operated, the detent protrusion is fixed to the detent hole 511 formed on the outer side like the manual valve of FIG. 7A, When the valve is deactivated and must be manually operated, the push button is pressed to form the manual valve of FIG. 7B, and then remains fixed like the manual valve of FIG. 7C.

In addition, the manual valve 50 can release the state in which the quadrant plane of the detent projection is fixed to the detent hole 511 by pressing the detent projection into the passive valve case 51, The manual valve 50 is moved to the outside of the manual valve case 51 through the tension of the tension spring 535 while the manual valve plunger 53 is horizontally moved outwardly by the tension of the tension spring 535, It can be moved from the fixed position and fixed to the rear side.

The operating relationship of the electromagnetic valve with improved flow of fluid according to the present invention will now be described.

First, a description will be made with the piping connected to the state shown in Fig.

First, as shown in Fig. 4, when the sealing plate 47 is spaced apart and the liquid flowing in the state in which the discharge port 25 is opened flows into the fluid discharge port 21 and is discharged through the fluid discharge port 23, The discharge port 25 is sealed.

When the power applied to the coil 35 of the solenoid valve 30 is turned off, the generated magnetic force is stopped. At this time, the movable plunger 39 is moved downward by the spring force of the compressed spring 391 Thereby shutting off the discharge passage 17.

In this state, the liquid sucked through the fluid inlet 21 passes through the through-hole 495 formed at the center of the sealing plate fixing plate 49 to the inner cushioning space portion (not shown) of the upper body 10 as the upper portion of the diaphragm 41 A, and when the liquid is completely filled in the buffer space A, the inside of the lower body 20 and the inside of the upper body 10 are equalized in pressure.

At this time, when the upper and lower pressures are equal to each other with the diaphragm 41 as a boundary, the upper fixture 43 is pressed by the elastic force of the spring 19, so that the flexible diaphragm 41 and the lower fixture 45 The sealing plate 47 and the sealing plate fixing plate 49 are lowered together so that the spindle 47 cuts off the spout 25.

In this manner, the flow of the liquid that flows into the fluid inlet 21 and is discharged to the fluid outlet 23 is blocked.

The operation of discharging the liquid to the fluid discharge port 23 by opening the discharge port 25 again as shown in FIG. 4 will be described below.

When power is applied to the coil 35 of the solenoid valve 30, a magnetic force is generated in the coil 35 and this magnetic force is transmitted to the fixed plunger 37 to form an electromagnet. At this time, the movable plunger 39 is pulled up The discharge passage 17 which has been shut off is opened.

At this time, the bubbled air and liquid are introduced together through the pressure-maintaining pipe 15 and discharged to the fluid outlet 23 via the discharge passage 17.

In this case, the pressure in the upper body 10, which is the upper part of the diaphragm 41, becomes weaker and the pressure in the lower body 20, which is the lower part of the diaphragm 41, becomes relatively strong. The discharge port 25 is opened by pushing up the sealing plate 47 which has been hermetically sealed.

When the discharge port (25) is opened, the introduced liquid passes through the discharge port (25) and is discharged through the fluid discharge port (23).

On the other hand, in the present invention, it is possible to control the flow of liquid even by a manual valve when the power failure or the solenoid valve 30 is difficult to operate due to a trouble or the like.

First, when the push button is pressed and the manual valve plunger is pushed to the flow plunger, the flow plunger is lifted and raised through the curved surface formed at the end portion thereof and the curved surface of the manual valve plunger end, 17 are opened.

When the discharge passage 17 is to be blocked again, the detent projection is urged into the manual valve case.

At this time, the manual valve plunger can be released in a state where the quadrant plane of the detent projection is fixed to the detent hole 511, horizontally moved outwardly by the tension of the spring, The stopper protrusion is moved to the outside of the manual valve case 51 to move the manual valve plunger in a fixed position and is fixed to the rear so that the discharge passage 17 is closed.

The operation of opening and closing the discharge port 25 as the discharge passage 17 is opened and closed and the action of the liquid flow to the fluid discharge port 23 through the fluid suction port 21 will be described with reference to the operation of the solenoid valve 30 17 are opened and closed.

2, the pressure in the upper body 10 and the pressure in the lower body 20 must be equal to each other with the diaphragm 41 as a boundary when the discharge port 25 is closed to block the flow of the liquid. If the bubbles or the like are generated in the upper portion of the discharge port 25, the discharge port 25 is not accurately sealed and the operation is not smoothly performed even when the discharge port 25 is opened or closed.

To solve this problem, the present invention is solved by inserting the pressure holding pipe 15 as described above into the upper body 10.

Therefore, when bubbles are generated in the upper portion of the upper body 10, when the discharge passage 17 is opened, the bubbles are discharged through the pressure-maintaining pipe 15 together with the liquid so that the pressure in the upper body 10 and the pressure in the lower body The pressure in the discharge port 20 is balanced and the opening and closing action of the discharge port 25 is smoothly performed.

In addition, when the iron core 111 is combined with the screw shaft of the coupled handle 11 of the upper body 10 to prevent clogging of the through hole 495 and the through hole 495 is blocked The handle 11 can be rotated to pierce the through-hole 495.

That is, when the screw shaft is rotated by rotating the handle 11, the screw shaft is lowered, and at the same time, the anti-clogging iron core 111 is also lowered to pierce the through hole 495 which is blocked.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the present invention. Various modifications and variations will be possible without departing from the spirit of the invention. Therefore, the scope of the present invention should be construed as being covered by the scope of the appended claims, and technical scope within the scope of equivalency thereof should be construed as being included in the scope of the present invention.

1: Solenoid valve with improved fluid flow
10: upper body 11: handle
13: Solenoid valve coupling port 14: Manual valve coupling port
15: pressure holding pipe 17: discharge passage
20: lower body 21: fluid inlet
23: fluid discharge port 25: discharge port
30: Solenoid valve 31: LED module
33: Case 35: Coil
37: fixed plunger 39: floating plunger
40: diaphragm assembly 41: diaphragm
43: upper fixture 45: lower fixture
47: sealing plate 49: sealing plate fixing plate
50: Manual valve 51: Manual valve case
53: Manual valve plunger

Claims (7)

1. An electromagnetic valve for controlling a flow of a fluid,
The solenoid valve includes: an upper body having a solenoid valve formed at one side thereof;
A lower body coupled to the upper body and having a fluid inlet and a fluid outlet;
And a diaphragm assembly coupled to the lower body to open and close a discharge port connected to the fluid discharge port from the fluid discharge port,
The diaphragm assembly has a central axis formed with a through hole through which fluid flows,
A depression is formed in the bottom surface of the diaphragm assembly about the through hole so as not to interfere with the flow of the fluid,
The solenoid valve is provided with an LED module that emits light when a solenoid valve is operated on its outer surface so that the solenoid valve can be visually checked for operation,
Wherein the solenoid valve includes a case coupled to the upper body, a coil formed in the case, a stationary plunger disposed inside the case, the stationary plunger positioned on the coil center axis, And a spring formed in the flow plunger and forming a tension between the stationary plunger and the flow plunger,
The LED module includes an LED element formed outside the case, a first wire formed on the LED element and connected to a power source unit, a second wire inserted into the stationary plunger and exposed to the bottom surface of the LED element, And a third wire formed in the power supply unit and inserted in the fixed plunger and exposed to the bottom surface thereof, wherein the second electric wire and the third electric wire are energized and operated only when the floating plunger is in contact with the fixed plunger
The upper body is provided with a manual valve for manually operating the solenoid valve. The manual valve is provided with fixing means for preventing the manual valve from flowing due to an external force,
Wherein the manual valve includes a manual valve case coupled to the upper body, and a manual valve plunger slidably inserted into the manual valve case to move the movable plunger up and down,
Wherein the fixing means includes a stop hole formed in the manual valve case, a tension spring formed on the manual valve plunger and having a resilient force, and a stop protrusion formed on the end of the tension spring, Characterized in that it is held in a fixed position at a position inserted into the manual valve case
The method according to claim 1,
The diaphragm assembly includes a diaphragm interposed between the upper body and the lower body,
An upper fixture formed on the diaphragm,
A lower fixture formed under the diaphragm,
A sealing plate formed on the lower fixture to open and close the discharge port,
And a sealing plate fixing plate formed under the sealing plate,
Wherein the bolt is integrally formed on the sealing plate fixing plate,
The bolt passes through the sealing plate, the upper fixture, the lower fixture, and the diaphragm,
And a nut is fixedly coupled to the end of the bolt.
delete delete delete delete The method according to claim 1,
Characterized in that the detent has an outer surface formed in a quadrant shape.

Images