KR102224830B1 - Valve body with valve open detector - Google Patents

Abstract

The present invention relates to a valve body including a valve opening detector. A valve body forming a gas inlet and a gas outlet, and forming a knob coupling hole on an outer surface between the gas inlet and the gas outlet, while forming a coupling groove around the edge of the knob coupling hole, is provided, a contact member is coupled with the coupling groove of the valve body, a switch cam with an earth plate is combined with the knob coupling hole, and a rotary shaft is inserted into a center part of the switch cam and combined, and then, as the rotation shaft is rotated, the switch cam is rotated while making the earth plate rotate together, and then, the earth plate comes in contact with an upper part of the contact member while outputting a delivered signal to the outside, thereby detecting whether a valve is open. According to the present invention, when the switch cam is rotated, the earth plate is rotated together while being earthed to the contact member, thereby easily confirming whether a valve is open, and whether the valve is open is determined based on whether the earth plate is earthed to or disconnected from the contact member, thereby making a significant drop in the occurrence of faults caused by frequent use. Moreover, due to a simple structure of the earth plate and the contact member, production costs can be reduced along with a drop in the occurrence of malfunctions, maintenance can be convenient due to simple replacement work with the earth plate or the contact member, and the earth plate is kept earthed on the contact member from an opening start point of the valve to a maximally open state of the valve, thereby accurately determining whether the valve is open.

Description

Valve body with valve open detector

The present invention relates to a valve body having a valve opening detection device, and more particularly, by rotating a switch cam, the ground plate integrally rotated with the switch cam is brought into contact with the upper end of the contact member, and the contact signal is output to the outside. Thus, it relates to a valve body having a valve opening detection device that detects whether the valve is opened.

In general, gas ranges are devices for efficiently burning gas fuel to use heat and high temperatures, and there are various types, ranging from small-sized ones used in domestic stoves to large-scale industrial burners used in boilers of thermal power plants. do.

And, in recent years, a built-in gas range, which is used by being built in the lower part of the upper sink of the kitchen, has also been on the market.

In particular, such a gas range is provided with a valve body, and a knob of the valve body is rotated in a forward or reverse direction to control the amount of gas discharged.

In this case, the amount of gas discharged is proportional to the amount of heat to be burned, and a heating time for the cooking container containing food to be heated is determined.

Patent Document 1 relates to a conventional gas valve switch cam assembly structure, referring to this, forming a stopper that moves horizontally inside in a hollow shape in which the front and rear are open, and gas on the outer surface symmetrical to each other based on the stopper A valve body having an inlet and a gas outlet, a shaft shaft that is slidably coupled to the inside of the valve body and pressurizes its end by pressing a stopper of the valve body, a micro switch installed on one side of the rear end of the valve body, and the shaft It is coupled to the other end of the shaft and rotates in the same direction as the shaft shaft and consists of a switch cam that operates the micro switch.

At this time, an ignition knob is installed at the rear end of the switch cam, and by rotating the ignition knob in one direction while pressing the ignition knob, the shaft shaft is pressed and the stopper in the valve body is pressed.

In particular, the switch cam is integrally rotated by the rotational operation of the shaft shaft, and accordingly, the switch cam operates the micro switch to output a high voltage to the spark module.

Then, a flow path connecting the gas inlet portion and the gas outlet portion in the valve body is opened, and accordingly, the gas supplied through the gas inlet portion is discharged to the gas discharge portion through the flow passage.

However, Patent Document 1 as described above cannot check whether the valve is open by simply controlling the ON/OFF operation of the spark module by the micro switch, and even if the micro switch is used as a sensing device that detects whether the valve is open or not. , Failure symptoms due to repetitive operation of the micro switch or product damage due to excessive force during assembly, and malfunction due to failure symptoms cannot accurately detect whether the valve is open. Therefore, it is impossible to check the valve opening status. There is a risk that the valve is kept open, and gas leaks into the indoor space due to this valve being opened, and the user inhales the gas from the indoor space with a respirator, which may cause abnormal symptoms, and in particular, remain in the indoor space. When the generated gas is ignited, it may cause an explosion, resulting in personal injury or fire, and accordingly, there is a problem in that the reliability of the product is deteriorated.

KR 10-0646087 B1

The present invention is to solve the above-described problems, and an object of the present invention is to form a gas inlet and a gas outlet, and to form a knob coupling hole on the outer surface between the gas inlet and the gas outlet, around the edge of the knob coupling hole. The valve body is provided with a coupling groove formed in the valve body, the contact member is fastened to the coupling groove of the valve body, the switch cam formed with the ground plate is coupled to the knob coupling hole, and the rotating shaft is inserted into the center of the switch cam. , As the rotating shaft rotates, the switch cam rotates to rotate the ground plate integrally, and at this time, the ground plate contacts the top of the contact member and outputs the received signal to the outside to detect whether the valve is open or not. It is to provide a valve body with a device.

In order to achieve the object of the present invention as described above, a valve body having a valve opening detection device according to the present invention has a gas inlet at one end, a gas outlet at the other end opposite to the gas inlet, and the A knob coupling hole is formed on the outer surface between the gas inlet and the gas outlet in a direction orthogonal to the gas inlet and the gas outlet to form a knob coupling hole communicating with the gas inlet and the gas outlet, and a coupling groove is formed around the edge of the knob coupling hole. A valve body; A contact member that is inserted into the coupling groove of the valve body to be lifted and operated; A switch cam which is rotatably fastened to the knob coupling hole and has a ground plate configured to be in contact with the contact member at the bottom edge to receive the contact member signal, and to output the signal to the outside; And a rotation shaft that is inserted into the central portion of the switch cam and rotates the switch cam.

In the valve body provided with the valve opening detection device according to the present invention, the contact member comprises: an insulating body which forms a multi-stage recessed groove on an upper surface, and is inserted and fixed to the coupling groove of the valve body; A ground pin having a lower end inserted into the recessed groove 201a of the insulating body 201, the upper end being exposed above the insulating body and being lifted and lowered to contact the ground plate; And a spring that is inserted into the recessed groove and positioned between the recessed groove and the ground pin, and presses the ground pin so that the upper end of the ground pin is exposed above the insulating body.

In the valve body having a valve opening detection device according to the present invention, the insulating body further forms a lifting guide groove on the bottom of the recessed groove, and the ground pin is inserted and coupled to the lifting guide groove at the lower end. , It characterized in that the ground pin is further formed with a guide pin for guiding the lifting movement.

In the valve body provided with the valve opening detection device according to the present invention, the coupling grooves of the valve body form a pair of locking grooves on the inner wall surfaces facing each other, and the insulating body of the contact member is on both sides of the outer surface. It is characterized in that the locking protrusion is further formed in the locking groove to prevent the insulating body from being separated from the coupling groove.

In the valve body having a valve opening detection device according to the present invention, the ground pin of the contact member has an upper end formed in a hemispherical shape, and the ground plate is an upper end of the ground pin on a bottom surface. It is characterized in that it is formed in depression along the longitudinal direction so as to contact with, further forming a guide guide groove for guiding the ground plate to rotate in an arc direction with respect to the ground pin.

In the valve body having a valve opening detection device according to the present invention, the ground pin is extended to be exposed to one side of the insulation body on an outer surface, and the ground pin is in close contact with the bottom surface of the recessed groove of the insulation body. It is characterized in that a ground pin output terminal for outputting a signal to the outside is further formed while preventing entry into the recessed groove more than a predetermined depth.

In the valve body provided with the valve opening detection device according to the present invention, the insulating body is formed in a pair so as to face each other on the upper end of both sides of the recessed groove, the ground pin output terminal to move up and down by the ground pin It characterized in that the separation prevention protrusion to be jammed is further formed.

In the valve body provided with the valve opening detection device according to the present invention, the switch cam is extended to form an arc shape at the edge, further comprising a wing portion allowing the ground plate to be in contact with the contact member to be coupled to the bottom surface. It is characterized by being formed.

In the valve body having a valve opening detection device according to the present invention, the wing portion has at least two fixing holes formed on a bottom surface, and the ground plate is the fixing hole on an upper surface facing the bottom surface of the wing portion. It is characterized in that it forms a fitting protrusion to be fitted and fixed to the.

In the valve body having the valve opening detection device according to the present invention, the wing portion is formed relatively lower than the thickness of the wing portion so as to be spaced apart from the upper end of the contact member at a predetermined distance to cover the upper end of the contact member. It is characterized in that the cover cover is further formed.

In the valve body provided with the valve opening detection device according to the present invention, the wing portion is formed to be inclined from the bottom surface of the cover cover toward the bottom of the wing portion, and gradually presses and presses the contact member, so that the ground plate It characterized in that it further formed a guide inclined surface for guiding to be grounded to the contact member.

In the valve body provided with the valve opening detection device according to the present invention, the ground plate further includes a ground plate output terminal on an outer surface for outputting a ground signal with the contact member to the outside.

According to the present invention, when the switch cam is rotated, the ground plate is integrally rotated and grounded to the contact member, so that it is easy to check whether the valve is open, and by determining whether the valve is opened or not by whether the ground plate is grounded or shorted to the contact member, The occurrence rate of defects due to frequent use is significantly lowered.In addition, due to the simple structure of the ground plate and contact member, the occurrence rate of malfunction is lowered and production cost is reduced, and maintenance is convenient due to the simple operation of replacing the ground plate or contact member. The ground plate remains grounded to the contact member from the valve opening point to the valve's maximum opening state, so it is possible to accurately determine whether the valve is open, and accordingly, the user's mistake can quickly check the valve opening state to prevent an accident. It can be prevented, and accordingly, there is an advantage in that the reliability of the product is improved.

1 is a perspective view showing a valve body having a valve opening detection device according to the present invention.
Figure 2 is an exploded perspective view of Figure 1;
3 is an exploded perspective view of a contact member of a valve body having a valve opening detection device according to the present invention.
Figure 4 is a perspective view showing the main part of the switch cam of the valve body having a valve opening detection device according to the present invention.
5 to 6 are perspective views showing a state in which a switch cam of a valve body having a valve opening detection device according to the present invention is rotated.
7 is a side cross-sectional view showing a state in which the contact member of the valve opening detection device according to the present invention is operated.

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

1 to 7, the valve body 100 has a gas inlet 101 at one end, a gas outlet 102 at the other end opposite to the gas inlet 101, and the gas inlet ( A knob coupling hole formed in the outer surface between the gas inlet 101 and the gas outlet 102 in a direction orthogonal to the gas inlet 101 and the gas outlet 102 to communicate with the gas inlet 101 and the gas outlet 102 To form (103), to form a coupling groove (104) around the edge of the knob coupling hole (103).

The knob coupling hole 103 is closed by a cover C covering the switch cam 300.

The gas introduced into the gas inlet 101 is discharged to the gas outlet 102 through the knob coupling hole 103.

The knob coupling hole 103 corresponds to the rotation angle of the switch cam 300, and its opening angle is adjusted.

The coupling groove 104 of the valve body 100 forms a pair of locking grooves 104a on the inner wall surfaces facing each other.

The locking groove 104a prevents the locking protrusion 201b of the insulating body 201 from being caught off, so that the insulating body 201 is separated from the coupling groove 104.

The contact member 200 is inserted and fastened into the coupling groove 104 of the valve body 100 to be lifted and lowered.

The contact member 200 is grounded to the bottom of the ground plate 301 while being pressed against the ground plate 301 of the switch cam 300.

The contact member 200 has an insulating body 201 inserted and fixed into the coupling groove 104 of the valve body 100 by forming a multi-stage recessed groove 201a on the upper surface thereof, and the end thereof is the insulating body ( Doedoe inserted into the recessed groove (201a) of 201), the upper end is exposed to the upper portion of the insulating body 201, the ground pin 202 and the recessed groove (201a) that is lifted and operated to contact the ground plate 301 A spring that is inserted and coupled to be positioned between the recessed groove 201a and the ground pin 202 and presses the ground pin 202 so that the top of the ground pin 202 is exposed above the insulating body 201 ( 203).

The insulating body 201 supports the movement of the ground pin 202 up and down.

The insulating body 201 further forms an elevating guide groove 201a-1 on the bottom surface of the recessed groove 201a.

The elevating guide groove 201a-1 allows the guide pin 202a of the ground pin 202 to be inserted, thereby guiding the elevating movement of the guide pin 202a.

The insulating body 201 of the contact member 200 is caught in the locking groove 104a on both sides of the outer surface, and the locking protrusion 201b for preventing the insulating body 201 from being separated from the coupling groove 104 To form more.

It is preferable that the locking protrusion 201b is formed in an inverted triangular shape to be caught in the locking groove 104a.

The ground pin 202 is pressed by the ground plate 301 of the switch cam 300 and moved upward and downward, and is then returned to its original position upward by the spring 203.

The ground pin 202 is inserted and coupled to the lower end of the elevating guide groove 201a-1 to further form a guide pin 202a guiding the ground pin 202 to move up and down.

It is preferable that the guide pin 202a is formed to correspond to the shape of the lifting guide groove.

The ground pin 202 of the contact member 200 has an upper end formed in a hemispherical shape to allow the guide guide groove 301b of the ground plate 301 to be slidably coupled.

The ground pin 202 guides the guide guide groove 301b to slide with respect to the ground pin 202.

The ground pin 202 is extended to be exposed to one side of the insulating body 201 on the outer surface, and is in close contact with the bottom surface of the recessed groove 201a of the insulating body 201 so that the ground pin 202 is the recessed groove A ground pin output terminal 202b for outputting a signal to the outside is further formed while preventing entry into the 201a or more than a predetermined depth.

The ground pin output terminal 202b is connected to an electric line (not shown) to output a signal of the ground pin 202 and the ground plate 301 to the outside.

The insulating body 201 is formed in a pair so as to face each other on the upper ends of both sides of the recessed groove 201a, so that the ground pin output terminal 202b moving up and down by the ground pin 202 is caught. The prevention protrusion 201c is further formed.

The separation prevention protrusion 201c blocks the ground pin 202 from being separated from the upper side of the recessed groove 201a.

The ground pin output terminal 202b is caught by the separation prevention protrusion 201c by the ground pin 202 returned to its original position or by the ground pin 202 pressed against the ground plate 301. It is in close contact with the bottom surface of the recessed groove 201a, thereby limiting the lifting distance of the ground pin 202.

The switch cam 300 is rotatably fastened to the knob coupling hole 103 and is in contact with the contact member 200 at the bottom edge to receive the contact member 200 signal, but outputs this signal to the outside. A ground plate 301 is formed.

The switch cam 300 is rotated at a predetermined angle by the rotation shaft 400.

As the switch cam 300 rotates, the ground plate 301 is integrally rotated so that the ground plate 301 is grounded to the contact member 200.

The ground plate 301 is recessed along the lengthwise direction so as to contact the upper end of the ground pin 202 on the bottom surface, and guides the ground plate 301 to rotate in an arc direction with respect to the ground pin 202 To further form a guide guide groove (301b).

The guide guide groove 301b slides in an arc direction with respect to the ground pin 202 and maintains a grounded state at the top of the ground pin 202.

The guide guide groove 301b is preferably formed in a semicircular shape so that its cross section corresponds to the shape of the ground pin 202.

The switch cam 300 is extended to form an arc shape at the edge, and further forms a wing portion 302 that allows the connection of the ground plate 301 in contact with the contact member 200 on the bottom surface.

The wing portion 302 covers the upper end of the contact member 200 while maintaining the ground plate 301 in a grounded state with the contact member 200.

The wing part 302 has at least two fixing holes 302a formed on the bottom surface, and the ground plate 301 is in the fixing hole 302a on the upper surface facing the bottom surface of the wing part 302 To form a fitting protrusion 301a to be fitted and fixed.

The diameter of the fixing hole 302a is formed relatively smaller than the diameter of the fitting protrusion 301a, so that the fitting protrusion 301a is forcibly fitted.

The wing portion 302 is formed relatively lower than the thickness of the wing portion 302 so as to be spaced apart from the upper end of the contact member 200 at a predetermined distance, and covers the upper end of the contact member 200 ( 302b) is further formed.

The wing part 302 and the cover cover 302b guide the broth dropped to the upper surface of the switch cam 300 to fall outside the switch cam 300, so that the broth penetrates into the contact member 200. Block things.

The wing portion 302 is formed to be inclined from the bottom of the cover cover 302b toward the bottom of the wing portion 302, and gradually presses and presses the contact member 200, so that the ground plate 301 A guide inclined surface 302c guiding the contact member 200 to be grounded is further formed.

The guide inclined surface 302c is rotated in a predetermined direction by the rotationally operated switch cam 300 to press and press the contact member 200 or gradually release the press and press of the contact member 200.

The ground plate 301 further forms a ground plate output terminal 301c for outputting a ground signal with the contact member 200 to the outside.

The ground plate output terminal 301c is connected to an electric line (not shown) that outputs a signal rule, and outputs a signal of the contact member 200 grounded with the ground plate 301 to the outside.

It is preferable that the ground plate output terminal 301c outputs a signal at the same time as the ground pin output terminal 301c.

The ground plate output terminal 301c extends to be exposed to the outside of the wing part 302.

The rotation shaft 400 is inserted and fastened to the central portion of the switch cam 300 to rotate the switch cam 300

An adjustment knob 401 is installed at one end of the rotation shaft 400, and is rotated at a predetermined angle by rotation of the adjustment knob 401 to rotate the switch cam 300.

The valve body having the valve opening detection device according to the present invention configured as described above is used as follows.

First, by inserting the insulating body 201 of the contact member 200 into the coupling groove 104 of the valve body 100, the locking protrusion 201b of the insulating body 201 is caught in the coupling groove 104 It is caught in the groove (104a) to be fixed.

And, the spring 203 is inserted into the recessed groove 201a of the insulating body 201, and in that state, the ground pin 202 is guided to the lifting guide groove 201a-1 formed in the recessed groove 201a. By sliding the pin 202a, by placing the spring 203 between the ground pin 202 and the recessed groove 201a, the ground pin 202 is moved upward by the elastic force of the spring 203. Pressurized.

At this time, a ground pin output terminal 202b extending from the ground pin 202 is formed on the outer surface of the ground pin 202, and the ground pin output terminal 202b is a separation preventing protrusion of the insulating body 201 It is caught by (201c), the ground pin 202 is prevented from being separated from the upper portion of the insulating body 201.

Thereafter, the switch cam 300 is rotatably coupled to the knob coupling hole 103 of the valve body 100, and in that state, the rotation shaft 400 is coupled to the central portion of the switch cam 300, and then, the The knob coupling hole 103 and the switch cam 300 exposed to the outside of the valve body 100 are closed with a cover (C).

Then, the ground plate 301 fixed to the bottom surface of the switch cam 300 is positioned to be grounded with the upper portion of the contact member 200.

At this time, a fixing hole 302a is formed on the bottom surface of the wing part 302, and by forcibly fitting the fitting protrusion 301a of the ground plate 301 through the fixing hole 302a, the ground plate 301 It is firmly fixed to the bottom of the wing portion 302.

In addition, a cover cover 302b is formed at one end of the wing part 302 to cover the upper part of the contact member 200 by being spaced apart from the contact member 200.

That is, in the valve body having the valve opening detection device coupled as described above, when the operation knob 401 coupled to the rotation shaft 400 is rotated in a predetermined direction, the switch cam ( As 300) rotates, the ground plate 301 is integrally rotated.

Then, the cover cover 302b covering and covering the upper end of the contact member 200 is rotated in one direction, and at this time, the guide inclined surface 302c connecting the cover cover 302b and the wing portion 302 ) Presses the ground pin 202 downward while rubbing against the upper end of the ground pin 202 of the contact member 200.

At this time, the ground pin 202 compresses the spring 203 by pressing and pressing the spring 203, and at the same time, the guide pin 202a moves downward along the elevating guide groove 201a-1. By moving, the ground pin 202 is moved up and down in the insulating body 201.

Here, while the ground pin 202 is pressed downward, the ground pin output terminal 202b is integrally moved, but the ground pin output terminal 202b is the bottom surface of the recessed groove 201a of the insulating body 201 The ground pin 202 is in close contact with each other to prevent entry of the ground pin 202 into the recessed groove 201a or more than a predetermined depth.

And, when the switch cam 300 is continuously rotated so that the ground plate 301 comes into contact with the top of the ground pin 202, the ground pin output terminal 202b of the ground pin 202 and the ground plate The ground signal of the ground pin 202 and the ground plate 301 is output to the outside through an electric line (not shown) connected to the ground plate output terminal 301c of the 301 to check whether the valve is open. .

In particular, the ground plate 301 maintains a grounded state with the ground pin 202 by inserting the upper end of the ground pin 202 into the guide guide groove 301b, and in that state, the switch cam ( When 300 is continuously rotated, the guide guide groove 301b of the ground plate 301 is guided by the ground pin 202 based on the ground pin 202 and slides in an arc direction, and the ground pin ( 202) and grounded.

At this time, the switch cam 300 rotated at a predetermined angle is the knob coupling hole so that the gas introduced through the gas inlet 101 moves to the gas outlet 102 via the knob coupling hole 103. 103).

That is, the opening amount of the knob coupling hole 103 is adjusted according to the rotation angle of the switch cam 300, and the amount of gas discharged to the gas outlet 102 is adjusted accordingly.

If the soup overflows to the outside of the cooking container while food is being cooked, but the soup falls to the upper surface of the switch cam 300, the outer rim of the wing part 302 and the rim of the cover cover 302b By inducing the broth to flow and fall, the broth is prevented from falling to the ground pin 202 of the contact member 200 located under the wing portion 302 and the cover cover 302b.

Thereafter, when food cooking is complete, the operation knob 401 is rotated in the opposite direction to the above, and at this time, the guide guide groove 301b of the ground plate 301 is based on the ground pin 202. As it rotates in an arc direction, it is maintained in a grounded state with the ground pin 202.

In addition, when the switch cam 300 is continuously rotated, the ground plate 301 is separated from the ground pin 202 and then rubs against the guide slope 302c, and slides along the guide slope 302c. And gradually restored to its original state.

That is, by the spring 203 of the contact member 200 that has been compressed, the ground pin 202 is lifted upward to correspond to the guide inclined surface 302c inclined upward toward the cover cover 302b. The ground pin output terminal 202b of the ground pin 202 is moved to the original state, and the ground pin output terminal 202b of the ground pin 202 is caught by the separation prevention protrusion 201c, so that the ground pin 202 is separated above the recessed groove 201a. Prevent it from becoming.

Then, the ground pin 202 of the contact member 200 is located under the cover cover 302b of the wing part 302 in the restored state, and accordingly, the grounding plate 301 The pin 202 is shorted to confirm that the valve is turned off.

As described above, the ground plate 301 is grounded to the top of the contact member 200 by the rotation operation of the switch cam 300, so that the structure of checking whether the valve is open is the ground plate 301 when the switch cam 300 rotates. ) Is integrally rotated and grounded to the contact member 200, so that the valve can be easily checked, and whether the ground plate 301 is grounded or shorted to the contact member 200, determines whether the valve is open or not. , The defect incidence rate due to frequent use is significantly reduced, and further, due to the simple structure of the ground plate 301 and the contact member 200, the malfunction incidence rate decreases and production cost is reduced, and the ground plate 301 or the contact member ( Maintenance is convenient due to a simple operation of replacing 200), and the ground plate 301 is maintained in a grounded state with the contact member 200 from the valve opening point to the maximum opening state of the valve.

The valve body provided with the valve opening detection device according to the present invention described above is not limited to the above-described embodiments, and is not departing from the gist of the present invention as claimed in the following claims. Anyone who has the skills has the technical spirit to the extent that it can be changed and implemented in various ways.

100: valve body 101: gas inlet
102 : Gas outlet 103: knob coupling hole
104: coupling groove 104a: locking groove
200: contact member 201: insulation body
201a: recessed groove 201a-1: lifting guide groove
201b: stopping protrusion 201c: departure preventing protrusion
202: ground pin 202a: guide pin
202b: ground pin output terminal 203: spring
300: switch cam 301: ground plate
301a: fitting protrusion 301b: guide guide groove
301c: ground plate output terminal 302: wing
302a : Fixing hole 302b: cover cover
302c: guide slope 400: rotating shaft
401: operation knob C: cover

Claims (12)

A gas inlet 101 is formed at one end, a gas outlet 102 is formed at the other end opposite to the gas inlet 101, and the gas inlet on the outer surface between the gas inlet 101 and the gas outlet 102 (101) and the gas outlet (102) is formed in a direction orthogonal to the depression to form a knob coupling hole 103 communicating with the gas inlet 101 and the gas outlet 102, and the knob coupling hole 103 border A valve body 100 having a coupling groove 104 formed around it;
A contact member 200 which is inserted into the coupling groove 104 of the valve body 100 to be lifted and operated;
A ground plate 301 that is rotatably fastened to the knob coupling hole 103 and is in contact with the contact member 200 at the bottom edge to receive the contact member 200 signal, and outputs this signal to the outside. Formed switch cam 300; And
A rotation shaft 400 that is inserted into the central portion of the switch cam 300 and rotates the switch cam 300;
In the valve body having a valve opening detection device consisting of,
The contact member 200,
An insulating body 201 which is inserted and fixed into the coupling groove 104 of the valve body 100 by forming a multi-stage recessed groove 201a on the upper surface thereof;
A ground pin (202) having a lower end inserted into the recessed groove (201a) of the insulating body (201), the upper end of which is exposed upwards from the insulating body (201) so as to be in contact with the ground plate (301);
The ground pin is inserted and coupled to the recessed groove 201a and positioned between the recessed groove 201a and the ground pin 202, and the upper end of the ground pin 202 is exposed above the insulating body 201. A spring 203 for pressing 202;
Valve body having a valve opening detection device, characterized in that consisting of. delete The method of claim 1,
The insulating body 201,
Further forming an elevating guide groove 201a-1 on the bottom surface of the recessed groove 201a,
The ground pin 202 is,
A valve provided with a valve opening detection device, characterized in that a guide pin (202a) for guiding the ground pin 202 to move up and down is inserted and coupled to the lower end into the lifting guide groove 201a-1 sieve. The method of claim 1,
The coupling groove 104 of the valve body 100,
Forming a pair of locking grooves (104a) on the inner wall surface facing each other,
The insulating body 201 of the contact member 200,
A valve opening detection device, characterized in that the locking protrusion 201b is further formed on both sides of the outer surface by locking the locking grooves 104a to prevent the insulating body 201 from being separated from the coupling grooves 104. Equipped valve body. The method of claim 1,
The ground pin 202 of the contact member 200 is,
The top is formed in a hemispherical shape,
The ground plate 301,
A guide guide groove 301b that is recessed along the length direction so as to contact the upper end of the ground pin 202 on the bottom surface, and guides the ground plate 301 to rotate in an arc direction with respect to the ground pin 202 A valve body provided with a valve opening detection device, characterized in that further formed. The method of claim 3,
The ground pin 202 is,
The outer surface is formed to be extended to be exposed to one side of the insulating body 201, and the ground pin 202 is in close contact with the bottom surface of the recessed groove 201a of the insulating body 201 so that the ground pin 202 is at least a predetermined depth into the recessed groove 201a. A valve body having a valve opening detection device, characterized in that further forming a ground pin output terminal (202b) for outputting a signal to the outside while preventing entry. The method of claim 6,
The insulating body 201,
It is formed in a pair so as to face each other on the upper end of both sides of the recessed groove (201a), the ground pin output terminal (202b) to be moved up and down by the ground pin (202) is further provided with a separation prevention protrusion (201c) to engage Valve body provided with a valve opening detection device, characterized in that formed. A gas inlet 101 is formed at one end, a gas outlet 102 is formed at the other end opposite to the gas inlet 101, and the gas inlet on the outer surface between the gas inlet 101 and the gas outlet 102 (101) and the gas outlet (102) is formed in a direction orthogonal to the depression to form a knob coupling hole 103 communicating with the gas inlet 101 and the gas outlet 102, and the knob coupling hole 103 border A valve body 100 having a coupling groove 104 formed around it;
A contact member 200 which is inserted into the coupling groove 104 of the valve body 100 to be lifted and operated;
A ground plate 301 that is rotatably fastened to the knob coupling hole 103 and is in contact with the contact member 200 at the bottom edge to receive the contact member 200 signal, and outputs this signal to the outside. Formed switch cam 300; And
A rotation shaft 400 that is inserted into the central portion of the switch cam 300 and rotates the switch cam 300;
In the valve body having a valve opening detection device consisting of,
The switch cam 300,
It is formed extending to form an arc shape at the edge, further forming a wing portion 302 allowing the coupling of the ground plate 301 in contact with the contact member 200 on the bottom surface,
The wing part 302,
At least two or more fixing holes 302a are formed on the bottom surface,
The ground plate 301,
A valve body having a valve opening detection device, characterized in that a fitting protrusion (301a) fitted into the fixing hole (302a) is formed on an upper surface facing the bottom surface of the wing portion (302). delete A gas inlet 101 is formed at one end, a gas outlet 102 is formed at the other end opposite to the gas inlet 101, and the gas inlet on the outer surface between the gas inlet 101 and the gas outlet 102 (101) and the gas outlet (102) is formed in a direction orthogonal to the depression to form a knob coupling hole 103 communicating with the gas inlet 101 and the gas outlet 102, and the knob coupling hole 103 border A valve body 100 having a coupling groove 104 formed around it;
A contact member 200 which is inserted into the coupling groove 104 of the valve body 100 to be lifted and operated;
A ground plate 301 that is rotatably fastened to the knob coupling hole 103 and is in contact with the contact member 200 at the bottom edge to receive the contact member 200 signal, and outputs this signal to the outside. Formed switch cam 300; And
A rotation shaft 400 that is inserted into the central portion of the switch cam 300 and rotates the switch cam 300;
In the valve body having a valve opening detection device consisting of,
The switch cam 300,
It is formed extending to form an arc shape at the edge, further forming a wing portion 302 allowing the coupling of the ground plate 301 in contact with the contact member 200 on the bottom surface,
The wing part 302,
A cover cover 302b is formed on one side to be relatively lower than the thickness of the wing portion 302 so as to be spaced apart from the upper end of the contact member 200 by a predetermined distance to cover the upper end of the contact member 200, and the It is formed to be inclined from the bottom of the cover cover 302b in the direction of the bottom of the wing part 302, and by gradually pressing and pressing the contact member 200, the ground plate 301 is grounded to the contact member 200. A valve body with a valve opening detection device, characterized in that further forming a guide inclined surface (302c) for guiding to be possible. delete A gas inlet 101 is formed at one end, a gas outlet 102 is formed at the other end opposite to the gas inlet 101, and the gas inlet on the outer surface between the gas inlet 101 and the gas outlet 102 (101) and the gas outlet (102) is formed in a direction orthogonal to the depression to form a knob coupling hole 103 communicating with the gas inlet 101 and the gas outlet 102, and the knob coupling hole 103 border A valve body 100 having a coupling groove 104 formed around it;
A contact member 200 which is inserted into the coupling groove 104 of the valve body 100 to be lifted and operated;
A ground plate 301 that is rotatably fastened to the knob coupling hole 103 and is in contact with the contact member 200 at the bottom edge to receive the contact member 200 signal, and outputs this signal to the outside. Formed switch cam 300; And
A rotation shaft 400 that is inserted into the central portion of the switch cam 300 and rotates the switch cam 300;
In the valve body having a valve opening detection device consisting of,
The ground plate 301,
A valve body having a valve opening detection device, characterized in that further formed on an outer surface of a ground plate output terminal (301c) for outputting a ground signal with the contact member 200 to the outside.

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