KR102587126B1 - opening and closing system for valve - Google Patents

Abstract

The present invention relates to a valve opening/closing notification system that provides to the outside whether a valve blocking plate provided inside a valve pipe opens or blocks the flow of fluid.
This invention is installed at the top of the actuator that operates the valve, and is provided with a detection sensor fastening part 123, a drive unit fastening part 124, and a connection terminal fastening part 125, and is installed on the lower side. A lower housing 120 provided with a wire entrance/exit pipe 126 communicating with the interior,
A detection sensor 130 provided with a first sensor 131 and a second sensor 132 that is installed in the detection sensor fastening part 123 and detects the operation of the opening and closing plate operated by the actuator and transmits it to the base station,
A driving unit 140 installed with the driving unit fastening part 124, the lower part of which is installed to be interlocked with the actuator, and rotated simultaneously with the actuator and the opening and closing plate to touch the detection sensor 130,
A connection terminal 150 installed at the connection terminal fastening part 125 to sense the wire flowing in through the wire input/output pipe 126 and the wire connected to the detection sensor 130,
A dome-shaped upper housing 110 assembled to the top of the lower housing 120,
An information provider 160 is provided at the top of the upper housing 110 and installed in conjunction with the upper part of the drive unit 140 to guide whether the valve is open or closed according to the rotation of the drive unit,
An opening/closing notification unit 170 provided at the top of the information providing unit 160 to visually identify whether the information providing unit is opened or closed by rotation,
It is characterized by including a casing 180 made of a transparent material that surrounds the information providing unit 160 and the opening/closing notification unit 170 and is fastened to the upper housing 110.

Description

Blocking plate opening and closing notification system for valve {opening and closing system for valve}

The present invention relates to a valve opening/closing notification system that provides to the outside whether a valve blocking plate provided inside a valve pipe opens or blocks the flow of fluid.

In general, piping equipment for transporting fluids has very important factors such as controlling the temperature, pressure, and flow rate of the fluid, and this is achieved by valves installed at necessary locations in the piping.

These valves are devices that regulate and block the flow of fluid, and are classified by purpose, standard, material, and structure. They are used as a variety of important parts across industries, from small household valves to petrochemicals, oil refining, and shipbuilding. There are large industrial valves.

Meanwhile, a valve that can implement the opening and closing function of connecting and blocking a flow path is equipped with a valve position indicator that displays the position of the valve (disc opening rate).

The conventional valve position indicator was linked to the rotation axis of the valve and merely indicated whether the fluid flow path passing through the valve was opened or closed by the valve disk according to the forward and reverse rotation of the valve rotation shaft.

In addition, in 3-way valves with three flow paths, such as 'T' type valves or 'Y type' valves, there is a problem of not being able to determine the direction of the fluid using the conventional valve on/off position indicator, which only indicates whether the valve is open or closed. there is.

Republic of Korea Patent Publication No. 10-1324802 (announced on November 1, 2013)

The present invention to solve the conventional problems has the following purposes.

The purpose of the present invention is to provide a blocking plate opening/closing notification system for valves that can prevent malfunction due to rotation by firmly supporting a drive unit linked to an actuator.

The purpose of the present invention is to provide a valve opening/closing notification system that can accurately provide information on whether the valve blocking plate is operating.

The present invention for achieving the above object is installed at the top of the actuator that operates the valve, and is provided with a detection sensor fastening part, a drive unit fastening part, and a connection terminal fastening part inside, and a device that communicates with the inside at the lower side. A lower housing provided with wire entry and exit pipes,

A detection sensor provided as a first sensor and a second sensor that is installed in the detection sensor fastening part and detects the operation of the opening and closing plate operated by the actuator and transmits it to the base station;

A driving unit installed at the driving unit fastening part, the lower part of which is installed to be interlocked with the actuator, and rotated simultaneously with the actuator and the opening/closing plate to touch the detection sensor;

A connection terminal installed as the connection terminal fastening part to sense the wire flowing in through the wire input/output pipe and the wire connected to the detection sensor,

A dome-shaped upper housing assembled to the top of the lower housing,

an information provision unit provided at the top of the upper housing and installed in conjunction with the upper part of the drive unit to guide whether the valve is opened or closed according to the rotation of the drive unit;

An opening/closing notification unit provided at the top of the information providing unit to visually identify whether the information providing unit is opened or closed by rotation;

It is characterized by including a casing made of a transparent material that surrounds the information provider and the opening/closing notification portion and is fastened to the upper housing.

The lower part of the drive unit fastening part where the drive unit is installed,

An assembly hole is provided for fastening the bushing to ensure solid rotation of the cam drive shaft of the drive unit, and one surface of the assembly hole is characterized by a rotation prevention surface to prevent idle rotation of the bushing.

The drive unit includes a cam drive shaft that penetrates the drive unit fastening part, the lower part of which is installed to be linked with the actuator, and the upper part of which is installed to be linked to the information providing part;

A first eccentric cam assembled to be positioned in the same line as the first sensor with the cam drive shaft, and a second eccentric cam assembled to be positioned in the same line as the second sensor,

A spring provided between the first and second eccentric cams to maintain the gap,

A first and second fixing ring assembled and supported by the upper end of the first eccentric cam and the lower end of the second eccentric cam,

It is characterized by being made of a bushing that is assembled into the assembly hole of the drive unit fastening part and supports the rotation of the cam drive shaft.

It is characterized in that pinholes are formed in each of the first and second eccentric cams, and pins are fastened to the pinholes so that the first and second eccentric cams have the same rotational force.

It is characterized in that a key is formed at the inner top of the casing, and a key groove is formed at the top of the opening/closing notification unit to prevent rotation of the opening/closing notification unit.

As described, the present invention has the effect of preventing malfunction due to rotation by firmly supporting the drive unit linked with the actuator, and has the effect of providing accurate information on whether the valve blocking plate is operating. there is.

1 to 2 are diagrams for explaining a notification system for opening and closing a shutoff plate for a valve according to an embodiment of the present invention.
Figure 3 is an external view illustrating the operating state of the valve blocking plate opening/closing notification system according to an embodiment of the present invention.
4 to 5 are diagrams for explaining the internal configuration.
Figures 6 to 8 are diagrams for explaining explosion-proof and non-explosion-proof models of the valve blocking plate opening/closing notification system according to an embodiment of the present invention.
9 to 10 are diagrams for explaining the structure of the eccentric cam and fixed ring of the drive unit.
Figures 11 and 12 are views for explaining another embodiment of the eccentric cam and fixing ring of the drive unit.
Figure 13 is a diagram for explaining the assembly relationship of the information providing unit.
Figure 14 is a diagram for explaining the assembly relationship between the casing and the opening/closing notification unit.
15 to 16 are views for explaining the structure of the casing.

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

In the following description of the present invention, if a detailed description of a related known function or configuration is judged to unnecessarily obscure the gist of the present invention, the detailed description will be omitted. In addition, the terms described below are terms set in consideration of the functions in the present invention, and these terms may vary depending on the intention or custom of the manufacturer producing the product, and the definitions of the terms should be made based on the content throughout the present specification.

(Example)

The shutoff plate opening/closing notification system 100 for a valve of the present invention according to an embodiment includes a lower housing 120 installed on the top of the actuator,

A detection sensor 130 coupled to the inside of the lower housing, a drive unit 140, a connection terminal 150, an information provider 160, an opening/closing notification unit 170, and a casing made of a transparent material ( 180).

The lower housing 120 is installed at the top of the actuator that operates the valve, and is provided with a detection sensor fastening part 123, a drive unit fastening part 124, and a connection terminal fastening part 125, A wire inlet/outlet pipe 126 communicating with the interior is provided on the lower side.

And it is provided with a first sensor 131 and a second sensor 132 that are installed as a detection sensor 130 and a detection sensor fastening part 123 to detect the operation of the opening and closing plate operated by an actuator and transmit it to the base station.

And the drive unit 140 is installed as a drive unit fastening part 124, and the lower part is installed to interlock with the actuator so that it rotates simultaneously with the actuator and the opening and closing plate.

The drive unit 140 includes a cam drive shaft 141 that penetrates the drive unit fastening part 124, the lower part of which is installed to be interlocked with the actuator, and the upper part of which is installed to interlock with the information providing unit 160,

A first eccentric cam 144, which is assembled to be positioned on the same line as the first sensor 131 with the cam drive shaft 141, and a second eccentric cam 145, which is assembled to be positioned on the same line as the second sensor 132. class,

A spring (S) provided between the first and second eccentric cams to maintain the gap,

A first fixing ring 146 and a second fixing ring 147 assembled and supported by the upper end of the first eccentric cam and the lower end of the second eccentric cam,

It consists of a bushing 149 that is assembled in the assembly hole 124a of the drive unit fastening part and supports the rotation of the cam drive shaft 141.

Meanwhile, the connection terminal 150 is installed as the connection terminal fastening part 125 and is configured to sense the wire flowing in through the wire input/output pipe 126 and the wire connected to the detection sensor 130.

In addition, the upper housing 110 is formed in a dome shape assembled to the top of the lower housing 120, and the information providing part 160 is provided at the top of the upper housing 110 and is connected to the upper part of the driving unit 140. It is installed interlocked to guide whether the valve is open or closed according to the rotation of the drive unit.

And an opening/closing notification unit 170 provided at the top of the information providing unit 160 to visually identify whether the information providing unit is opened or closed by rotation, the information providing unit 160, and an opening/closing notification unit ( A casing 180 made of a transparent material is provided that surrounds 170) and is fastened to the upper housing 110.

Meanwhile, the lower end of the drive unit fastening portion 124 where the drive unit 140 is installed is provided with an assembly hole 124a for fastening the bushing 149 to ensure stable rotation of the cam drive shaft 141 of the drive unit. , one surface of the assembly hole 124a is provided with a rotation prevention surface 124b to prevent idling of the bushing.
And as shown in FIG. 2 of the accompanying drawing, a rotation prevention surface 149a is formed on one surface of the bushing 149 to face the rotation prevention surface 124b to prevent idling of the bushing 149.

In addition, the first eccentric cam 144 and the second eccentric cam 145 are formed with grooves 144a and 145a into which the fixing rings 146 and 147 are assembled,

In order to prevent idle rotation of the fixing ring and the eccentric cam, uneven portions 146-1 and 147-1 are formed on the outer periphery of the fixing ring 146 and 147 and the inner periphery of the grooves 144a and 145a. )(144-1)(145-1) are formed.

Additionally, pinholes 144b and 145b may be formed using the first eccentric cam and the second eccentric cam, respectively, and a pin 148 may be fastened to the pinhole so that the first and second eccentric cams have the same rotational force.

A key 182 is formed at the inner top of the casing 180, and a key groove 174 is formed at the top of the opening/closing notification unit 170 to prevent rotation of the opening/closing notification unit 170.

Hereinafter, a more detailed description will be given with reference to the accompanying drawings.

Figures 1 and 2 are diagrams for explaining a valve opening/closing notification system according to an embodiment of the present invention.

As shown in the drawing, the lower housing 120 is provided with a flange 122 capable of bolt assembly with the upper housing 110, and is provided with a receiving portion 121 at the bottom, and a detection sensor is seated in the receiving portion. A detection sensor fastening part 123 to be assembled is provided.

The detection sensor 130 installed in the detection sensor fastening part 123 is comprised of a first sensor 131 and a second sensor 132, and is connected to a wire entering and exiting the wire lead-out pipe 126.

Also, it is preferable that one of the detection sensors 130 detects the opening of the valve and the other detects the closing of the valve.

And the first sensor 131 and the second sensor 132 are provided with switches 131a and 132a that operate by rotation of the first eccentric cam and the second eccentric cam.

Meanwhile, the drive unit 140 is provided with a cam drive shaft 141 on which a key is formed at the bottom to be interlocked with the actuator, and at the top is formed a key to be interlocked with the information providing unit 160, and the cam drive shaft is a first ,2Eccentric cams 144 and 145 are assembled.

That is, the first eccentric cam 145 is assembled with the second fixing ring 147 supporting the second eccentric cam 145 assembled, and the first eccentric cam 144 with the spring S assembled. Assemble and form the drive unit 140 with the first fixing ring 146 assembled.

The spring (S) is used to separate the first eccentric cam and the second eccentric cam and at the same time cushion vibration caused by external force.

In addition, the first fixing ring is installed at the bottom of the first eccentric cam and used to support the first eccentric cam, and the second fixing ring is installed at the top of the first eccentric cam to prevent the first eccentric cam from rising. It is used.

At this time, it is preferable that the first eccentric cam 144 is located on the same line as the first sensor 131, and the second eccentric cam 145 is located on the same line as the second sensor 132.

And when the first eccentric cam 144 moves the switch 131a of the first sensor 131 when the cam drive shaft rotates, it is desirable to maintain the second eccentric cam in a state misaligned with the switch of the second sensor.

Meanwhile, the connection terminal fastening part 125 is provided with a connection terminal 150 that senses the wire entering and exiting the wire input and output pipe 126.

It is preferable that the connection terminal senses the wire from the outside and the wire from the inside.

In addition, the upper housing 110 is provided with a flange 111 so that it can be assembled into the housing, a dome is integrally formed at the top, and a hole through which the cam drive shaft 141 passes is formed in the center.

Meanwhile, an information providing part 160 is provided at the top of the upper housing 110, and a key groove is formed inside the upper part of the information providing part 160 to allow the upper key of the cam drive shaft 141 to be inserted.

That is, when the cam drive shaft 141 is rotated, the information providing unit 160 linked to the cam drive shaft is rotated to provide information on whether the valve blocking plate is operating.

That is, the information providing unit 160 is divided into four parts and a display unit is provided at each divided part, and may be formed in letters or colors.

For example, it is desirable to divide it into four parts, and display 0 to 90 degrees as close, 90 to 180 degrees as open, 180 to 270 degrees as close, and 270 to 0 degrees as open.

Like this, it can be displayed in text and sections can be displayed in color.

Meanwhile, an opening/closing notification unit 170 is provided at the outer periphery of the information providing unit 160, and the notification unit is composed of a closing part 171 for 0 to 90 degrees, 180 to 270 degrees, 90 to 180 degrees, At 270 to 0 degrees, an opening 172 is formed.

The upper end of the opening/closing notification unit 170 is fixed to the axis of the casing 180, which will be described below.

That is, when the information providing unit 160 rotates, the display unit is positioned at the opening 172 of the opening/closing notification unit 170, making it possible to visually confirm whether it is open or closed.

Meanwhile, the flange of the upper housing 110 is provided with a casing 180 that surrounds and protects the information providing unit and the opening/closing notification unit, and the casing is provided with a fastening flange 183 and a transparent dome 184, On the inside of the dome, a protrusion protrudes to pass through the opening/closing notification unit and support the top of the information providing unit.

Attached drawings Figures 3 and 4 are external views for explaining the operating state of the valve blocking plate opening/closing notification system according to an embodiment of the present invention, and the cam drive shaft 141 is shown when the drive unit 143 installed in conjunction with the actuator is operated. When the information providing unit 160 is rotated by rotation and the rotated surface is located at the opening 172 of the opening/closing notification unit 170, it provides information on whether the opening/closing plate is open or closed.

At this time, it can be confirmed in the field as shown in the drawing, and as the first and second eccentric cams of the drive unit operate the first and second sensors of the detection sensor, the area detected by the detection sensor is transmitted to the base station and provided. do.

As shown in Figure 5 of the attached drawing, a protrusion protruding downward is formed on the inside of the upper end of the casing 180, and the protrusion is assembled with the notification part 170 in an interference fit manner to prevent rotation of the opening/closing notification part. , It is fastened to the information providing unit 160 by a bearing (B) to prevent flow to the top of the information providing unit and supports smooth rotation of the information providing unit.

Attached drawings FIGS. 6 to 8 are diagrams for explaining explosion-proof and non-explosion-proof models of the valve blocking plate opening/closing notification system according to an embodiment of the present invention according to the size of the valve.

In Figure 6, the volume of the storage part of the lower housing can be formed to be small for non-explosion proof use, and in Figures 7 and 8, the volume of the storage part of the lower housing can be formed to be large for explosion proof use.

As shown in FIG. 9, fixing rings 146 and 147 are assembled to the first and second eccentric cams to prevent idle rotation when assembled to the cam drive shaft 141.

At this time, grooves 144a and 145a are provided for fastening and assembling the fixing rings 146 and 147, and uneven portions 144-1 and 145-1 are formed on the inner periphery of the grooves, which are then assembled. On the outer periphery of the fixing rings 146 and 147, uneven portions 146-1 and 147-1 are formed to correspond to the uneven portions.

As described above, the eccentric cam is prevented from idling by being interconnected with the concavo-convex portion and the concavo-convex portion, and the fixing ring is prevented from idling with the cam drive shaft 141 by fastening the mood bolt.

Figure 11 shows the configuration of the drive unit 140, where pin holes 144b and 145b are formed using the first eccentric cam 144 and the second eccentric cam 145, and the pin 148 is assembled into the pin hole to generate the same rotational force. It was made to convey.

For example, when the first fixing ring 146 and the second fixing ring 147 supporting the first eccentric cam 144 and the second eccentric cam 145 are released, the eccentric axes of the first eccentric cam and the second eccentric cam This becomes misaligned, and in this misaligned state, it does not work properly and provides incorrect information.

However, since the first and second eccentric cams are controlled by the pin 148 as described above, displacement of any one eccentric cam is prevented.

In addition, as shown in the attached drawing FIG. 12, a key 146a is formed on the fixing ring and a key groove 144c is formed on the cam, but only one key is formed on the fixing ring and a plurality of key grooves 144c are formed on the cam. It is desirable to form

In other words, by selecting and assembling the key into the key groove, the meaningless rotation of the cam can be controlled and the eccentric force can be selected.

The attached drawing, FIG. 13, is for explaining the assembly relationship of the opening/closing notification unit 170. The opening/closing notification unit 170 can be fixedly installed by dividing grooves 113 into the flange 111 of the upper housing 110. It comes true.

That is, the opening/closing notification unit 170 is non-rotating, and non-rotation can be maintained by inserting the lower end of the opening/closing notification unit 170 into the groove 113 and fixing it.

In addition, as shown in the attached drawing FIG. 14, the key 182 is formed with the protrusion 181 formed inside the casing, and the key groove 174 is formed in the center of the opening and closing notification unit 170 to assemble the opening and closing notification unit 170. Rotation of the part can be prevented.

As shown in Figure 15 of the attached drawing, the upper dome 184 of the casing 180 is divided into four parts without the opening/closing notification unit 170, and the two halves in both directions are transparent and the two halves in both directions are opaque (184a). You can provide information.

Additionally, as shown in FIG. 16, the entire dome 184 is made transparent, but the blocking wave 190 can be formed in two halves in both directions.

Above, specific embodiments of the present invention have been described.

However, the spirit and scope of the present invention are not particularly limited to these specific embodiments, and it is common knowledge in the technical field pertaining to the present invention that various modifications and variations are possible without changing the gist of the present invention. Anyone who has this should understand.

Accordingly, the above-described embodiments are provided to fully inform those skilled in the art of the present invention of the scope of the invention, and should be understood in all respects as illustrative and not restrictive, and the present invention is only defined by the scope of the claims.

100: display system 110: upper housing
120: lower housing 121: storage unit
122: Flange 123: Detection sensor fastening part
124: Drive unit fastening part 125: Connection terminal fastening part
126: wire entry/exit pipe 130: detection sensor
140: Drive unit 141: Cam drive shaft
144, 145: 1st, 2nd eccentric cam 148: Pin
150: Connection terminal 160: Information provision unit
170: Open/close notification unit 180: Casing

Claims (5)

It is installed at the top of the actuator that operates the valve, and is provided with a detection sensor fastening part 123, a drive unit fastening part 124, and a connection terminal fastening part 125, and a wire communicating with the inside on the lower side. A lower housing 120 provided with an entrance/exit pipe 126,
A detection sensor 130 provided with a first sensor 131 and a second sensor 132 that is installed in the detection sensor fastening part 123 and detects the operation of the opening and closing plate operated by the actuator and transmits it to the base station,
It is installed with the driving unit fastening part 124, and the lower part is installed to be interlocked with the actuator, and includes a driving unit 140 configured to rotate simultaneously with the actuator and the opening and closing plate to touch the detection sensor 130,
The lower end of the drive unit fastening portion 124 where the drive unit 140 is installed is provided with an assembly hole 124a for fastening the bushing 149 to ensure stable rotation of the cam drive shaft 141 of the drive unit, One surface of the assembly hole 124a is provided with a rotation prevention surface 124b to prevent idling of the bushing,
A cam drive shaft 141 that penetrates the drive unit fastening part 124 and is installed in conjunction with the actuator at the lower part and installed in conjunction with the information providing unit 160 at the upper part,
A first eccentric cam 144, which is assembled to be positioned on the same line as the first sensor 131 with the cam drive shaft 141, and a second eccentric cam 145, which is assembled to be positioned on the same line as the second sensor 132. class,
A spring (S) provided between the first and second eccentric cams to maintain the gap,
The first fixing ring 146 and the second fixing ring 147 are assembled and supported by the upper end of the first eccentric cam and the lower end of the second eccentric cam, and are assembled in the assembly hole 124a of the drive unit fastening part to support the cam. It includes a bushing 149 that supports rotation of the drive shaft 141,
The first eccentric cam 144 and the second eccentric cam 145 are formed with grooves 144a and 145a into which the fixing rings 146 and 147 are assembled, to prevent idle rotation of the fixing ring and the eccentric cam. To this end, uneven portions 146-1, 147-1, 144-1, and 145-1 are formed on the outer periphery of the fixing rings 146 and 147 and the inner periphery of the grooves 144a and 145a. is formed, pinholes 144b and 145b are formed with the first eccentric cam 144 and the second eccentric cam 145, respectively, and the pin 148 is fastened with the pinhole to form the first and second eccentric cams. (144, 145) are configured to have the same rotational force,
A connection terminal 150 installed at the connection terminal fastening part 125 to sense the wire flowing in through the wire input/output pipe 126 and the wire connected to the detection sensor 130,
A dome-shaped upper housing 110 assembled to the top of the lower housing 120,
An information provider 160 is provided at the top of the upper housing 110 and installed in conjunction with the upper part of the drive unit 140 to guide whether the valve is open or closed according to the rotation of the drive unit,
An opening/closing notification unit 170 provided at the top of the information providing unit 160 to visually identify whether the information providing unit is opened or closed by rotation,
It includes a casing 180 made of a transparent material that surrounds the information providing unit 160 and the opening/closing notification unit 170 and is fastened to the upper housing 110,
A key 182 is formed at the inner top of the casing 180, and a key groove 174 is formed at the top of the opening/closing notification unit 170 to prevent rotation of the opening/closing notification unit 170, or the upper housing ( A valve, characterized in that a groove 113 is formed in the flange 111 of the valve 110 and the bottom of the opening/closing notification unit 170 is inserted and fixed into the groove to prevent rotation of the opening/closing notification unit 170. Blocking plate opening/closing notification system. delete delete delete delete

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