KR200267559Y1 - Connector for preventing illegal use of city gas - Google Patents

Abstract

The present invention relates to a city gas unauthorized use connector, more specifically, the upper part is connected to the city gas valve (7), the lower part is configured to be connected to the coupling pipe (1b) of the meter, the inside along the longitudinal direction A through hole 11 is formed, and a key insertion hole 14 penetrating in one direction is formed in the middle portion, and a part of the inside of the through hole 11 protrudes in a part of the through hole 11 so as to proximate the key insertion hole. 10) and a key groove 22 is formed at a position corresponding to the key insertion hole 14 at one side in the shape of a sphere, and is inserted into the tubular body 10 so that a separate key 50 is matched with the key groove 22. It is supported so as to rotate through), the opening and closing member 20 and the through hole 11 of the tubular body 10 is formed through the communication hole 24 through which the gas communicating in the direction orthogonal to the key groove 22 in the middle portion Inserted and fastened to the opening / closing member 20 together with the flow preventing jaw 17 so as not to flow. It is supported and is composed of a fixing member 30 is formed with a gas passage 32 in communication with the communication hole 24 of the opening and closing member 20 along the longitudinal direction, the subject innovation between the city gas valve and the meter Since it is installed to open and close the city gas passage only through a separate key, there is an effect that completely prevents unauthorized use of city gas by city gas bill delinquents and unauthorized users before gas supply.

Description

Connector for preventing illegal use of city gas}

The present invention relates to a city gas unauthorized use prevention connector, more specifically, it is installed between the meter and the city gas valve, and configured to be selectively opened and closed only through a separate key to use city gas illegally without paying a royalty. And a city gas unauthorized use prevention connector for preventing unauthorized use before gas supply.

In general, a meter is installed on the supply pipe for supplying the city gas to the user, and through this meter, the city gas staff reads the city gas usage of each household and charges for the usage.

However, there are users who do not pay bills for months after receiving the bill, in which case the city gas supply will be stopped.

In the conventional method of stopping the supply of city gas, the city gas supply is interrupted by turning the lever installed on the city gas supply pipe to lock the valve.

However, in the related art, the valve is selectively opened and closed by simply turning the lever. Therefore, some users who do not pay the city gas fee are unconscientious to continuously use the city gas by arbitrarily opening the valve after the city gas employee returns. .

However, there is no way to punish these people legally, and thus, the gas company cannot afford all the losses. Therefore, there is a need for a method to effectively block the city gas. There is a lot of risks for safety by using gas by arbitrarily operating.

The present invention has been made to solve the various problems as described above, the purpose is to provide a city gas unauthorized use connector that can not be opened without a separate key installed between the meter and the city gas valve. .

City gas unauthorized use connector according to the present invention for achieving the above object is the upper portion is connected to the city gas valve, the lower portion is configured to be connected to the coupling pipe of the meter, the through-hole is formed in the longitudinal direction, the middle The part is formed with a key insertion hole that penetrates in one direction, and a part of the inside of the through hole protrudes so as to proximate the key insertion hole, and a key groove is formed at a position corresponding to the key insertion hole on one side in the shape of a sphere. It is inserted into the inside of the key groove is supported so that it can be rotated through a separate key, the opening and closing member is formed through the communication hole through which the gas communicating in the direction orthogonal to the key groove, and inserted into the through hole of the tube The opening and closing member is supported so as not to flow together with the flow preventing jaw, and the communication hole of the opening and closing member along the longitudinal direction It is composed of a fixed member formed with a communicating gas passage.

1 is a front view schematically showing the structure of a meter to which the present invention is applied;

Figure 2 is an exploded cross-sectional view showing the configuration of the city gas unauthorized use connector of the present invention,

3 is a combined cross-sectional view of the city gas unauthorized use connector of the present invention,

4 is a cross-sectional view showing a state in which the city gas passage is blocked by the rot member is rotated in FIG.

5 to 7 is a partial perspective view showing another embodiment of a key and a key groove according to the present invention.

◎ Explanation of symbols for main part of drawing

1: Meter 1a: display

1b: coupling pipe 3: supply pipe

5: transfer pipe 7: valve

9: lever 10: tube

11: through hole 12: coupling hole

13: center pin 14: key insertion hole

15: male thread portion 16: locking jaw

17: Flow prevention jaw 18: Female thread part

19: packing 20: opening and closing member

21: coupling groove 22: key groove

23: projection groove 24: communication hole

25: sealing member 30: fixing member

31: male thread portion 32: gas passage

33: ring insertion groove 34: sealing ring

40: adapter 41: guider

42: female thread 50: height

51: turning

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

Figure 1 is a front view schematically showing the structure of the meter to which the present invention is applied, Figure 2 is an exploded cross-sectional view showing the configuration of the city gas unauthorized use connector of the present invention, Figure 3 is a combined cross-sectional view of Figure 2, Figure 4 3 is a combined cross-sectional view showing a state in which the city gas passage is blocked by the rotation of the shed member, Figures 5 to 6 is a partial perspective view showing another embodiment of the key and the key groove according to the present invention.

Referring to Figure 1, the front of the meter (1) is provided with a display unit (1a) for displaying the city gas consumption, the upper side of the coupling pipe (1b) is extended to the city gas supply pipe (3) through the adapter of the present invention It is connected to the valve (7) provided in the), the other side is connected to the transfer pipe 5 for transferring the city gas to the home.

And the valve 7 provided on the city gas supply pipe 3 is selectively opened and closed by the lever 9 exposed to the outside.

2 and 3, the present invention is installed between the coupling pipe (1b) and the city gas valve 7 of the meter 1, the cylindrical tube 10 and the gas inserted into the tube It consists of an opening and closing member 20 for selectively opening and closing the passage, and a fixing member 30 for supporting the opening and closing member 20 not to flow.

The tubular body 10 has a through hole 11 formed in the longitudinal direction therein, and an outer threaded upper end portion is formed with a male screw portion 15 so as to be connected to the city gas valve 7. Protrudingly formed, one side of the locking jaw 16, that is, the portion that is in contact with the coupling pipe (1b) of the meter 1 is provided with a packing 19 to prevent the leakage of gas.

And, the outer periphery of the tubular body 10 is fitted with an adapter 40 so as to be movable along the longitudinal direction, the coupling pipe 1b formed in the tubular body 10 and the meter 1 through the adapter 40 is connected do.

That is, the adapter 40 has a guider portion 41 corresponding to the locking jaw 16 at the upper end portion protruding inward, and the adapter is the locking jaw 16 of the tubular body 10 by the guider portion 41. It is caught in, the lower end portion is formed inside the female screw portion 42 is fastened to the male screw formed on the coupling pipe (1b).

In the middle portion of the tubular body 10, the coupling hole 12 is penetrated to one side so as to be orthogonal to the through hole 11, and the key insertion hole 14 is penetrated to the other side. At this time, the coupling hole 12 and the key insertion hole 14 is located on the same line.

In addition, the center pin 13 is inserted into the coupling hole 12 by the interference fit method and fixedly coupled, and a part of the center pin 13 protrudes into the through hole 11. At this time, the protruding portion is preferably to have a conical shape toward the end.

In addition, a flow preventing jaw 17 protrudes in the inner direction of the lower portion of the tubular body 10, with the key insertion hole 14 at the lower portion thereof, and an internal thread portion 18 is formed at the upper portion thereof.

The opening / closing member 20 inserted into the tubular body 10 has a spherical shape, and is rotated through a separate key 50 inside the tubular body 10 so as to be rotatable about the center pin 13. .

That is, one side of the opening and closing member 20 is formed with a corresponding coupling groove 21 to which a portion of the center pin 13 is fitted and coupled, and the other side is a key groove at a position corresponding to the key insertion hole 14. 22 is formed, and a protrusion groove 23 is formed in a portion of the key groove 22.

In addition, a communication hole 24 through which city gas flows in a direction orthogonal to the key groove 22 is formed in the middle portion of the opening and closing member 20, and the key insertion hole is formed on the left and right sides of the opening and closing member 20, that is, the outer surface thereof. Sealed by the sealing member 25 to prevent the city gas leak into the 14 and the coupling hole (12).

And, the key 50 for rotating the opening and closing member 20 has a diameter that can be coupled to the key groove 22 through the key insertion hole 14, and the projection (23) in a position corresponding to the ( 51) is formed.

In the present embodiment, one projection groove 23 is formed in the key groove 22, and a projection 51 corresponding to the projection groove 23 is formed in the key 50 to rotate the opening and closing member 20. However, the shape and number of the protrusions 51 and the protrusion grooves 23 formed on the key 50 and the key groove 22 are not limited thereto, and the opening and closing member 20 may be opened and closed using a general tool such as a driver. Any number having various shapes and numbers can be applied.

For example, as shown in FIG. 5, a protrusion groove 51-1 may be formed in the key 50, and a protrusion 23-1 may be formed in the key groove 22. The two projection grooves 23-2 and the projections 51-2 may be formed, and as shown in FIG. 7, the projections 51-3 and the projection grooves 23-3 having the semicircular ring shape are formed. You may.

The fixing member 30 has a male screw portion 31 corresponding to the female screw portion 18 formed in the tubular body 10 on the outer circumference thereof, and is inserted and fastened in the tubular body 10 and opened and closed together with the flow preventing jaw 17. By pressing the member 20 to prevent the flow of the opening and closing member 20.

In addition, the fixing member 30 is provided with a gas passage 32 communicating with the communication hole 24 of the opening and closing member 20 along the longitudinal direction, the city gas is leaked on the opposite side corresponding to the male screw portion 31 The ring insertion groove 33 is formed so that the sealing ring 34 is inserted between the fixing member 30 and the tubular body 10 to prevent it from being formed, and the fixing member 30 is rotated on the upper surface of the fixing member 30. A fitting groove 35 into which a separate tool is fitted to be formed is formed.

Now, the assembly and operation effects of the present invention configured as described above will be described.

First, the assembly relationship will be described with reference to FIG. 3. The opening / closing member 20 is inserted in the through hole 11 of the tubular body 10 so as to be caught by the flow preventing jaw 17. At this time, the opening and closing member 20 is inserted together so that the sealing member 25 surrounds the left and right sides, the key groove 22 and the coupling groove 21 of the opening and closing member 20 is the key insertion of the tubular body 10. The ball 14 and the coupling hole 12 to the corresponding position.

Then, the center pin 13 is coupled to the coupling hole 12 to support the opening and closing member 20, and the fixing member 30 having the sealing ring 34 is inserted into the tubular body 10.

At this time, the fixing member 30 is screwed into the through-hole 11 of the tubular body 10 to press the opening and closing member 20 to prevent the flow of the opening and closing member 20 together with the flow preventing jaw (17).

Next, after inserting the adapter 40 to the outer surface of the tubular body 10 assembled in this way, the upper end of the tubular body 10 is screwed to the city gas valve (7), the lower end of the meter through the adapter 40 When screwing in the coupling pipe 1b formed in (1), all assembly and installation are completed.

This assembly and installation as shown in Figure 4, by inserting a separate key 50 to the key groove 22 to rotate the opening and closing member 20 to open or block the city gas passage.

That is, the present invention can open and close the city gas passage only through a separate key 50, it is possible to completely block the illegal use by the city gas bill arrears users and gas supply users.

In addition, when the city gas supply is cut off, the city gas supply pipe (3) to which the present invention is applied, primarily blocks the city gas from the existing valve (7), and the city gas secondly from the connector according to the present invention. Because of the blocking, a complete blocking is achieved.

As described above, the present invention is installed between the city gas valve and the meter, and is configured to open and close the city gas passage only through a separate key, so that city gas fee arrears and unauthorized users before gas supply are allowed to It is effective to completely block the use.

Claims (4)

The upper part is connected to the city gas valve (7), the lower part is configured to be connected to the coupling pipe (1b) of the meter, the through hole 11 is formed in the longitudinal direction therein, the middle portion is penetrated in one direction A key insertion hole 14 is formed, and a pipe body 10 having a flow preventing jaw 17 protruding from a portion of the through hole 11 so as to be close to the key insertion hole 14, In the shape of a sphere, a key groove 22 is formed at a position corresponding to the key insertion hole 14 on one side thereof, and a separate key 50 is inserted into the tubular body 10 and coincides with the key groove 22. It is supported so as to rotate through, the opening and closing member 20 is formed in the middle portion through which the communication hole 24 through which gas passes in a direction orthogonal to the key groove 22, The opening and closing member 20 is inserted into and fastened to the through-hole 11 of the tubular body 10 to support the opening / closing member 20 with the flow preventing jaw 17 not to flow, and along the longitudinal direction of the opening / closing member 20. City gas unauthorized use prevention connector, characterized in that consisting of a fixing member 30 is formed with a gas passage 32 in communication with the communication hole (24). According to claim 1, wherein the upper end of the tubular body 10 is formed with a male screw portion 15 is coupled to the city gas valve 7 on the outer circumference, the lower end is formed with a locking jaw (16), the locking jaw ( The adapter 40 is fitted to be movable so as to move around the outer side of the tube 10 so as to be caught by 16, so that the lower inside of the adapter 40 can be fastened to the coupling tube 1b formed on the meter 1. City gas unauthorized use connector, characterized in that the female threaded portion (42) is formed. According to claim 1, wherein the intermediate portion of the tubular body 10, the coupling hole 12 is formed through the opposite side corresponding to the key insertion hole 14, the coupling hole 12 is a portion of the tubular body 10 The center pin 13 is inserted and coupled to protrude into the inside, and the opening and closing member 20 is characterized in that the coupling groove 21 is formed on the opposite side of the key groove 22 is fitted with a portion of the center pin 13 is supported. City gas unauthorized use connector. According to claim 1, wherein the left and right sides of the opening and closing member 20 is sealed by the sealing member 25 in order to prevent the gas leakage into the key insertion hole 14 and the coupling hole 12. City gas unauthorized use connector.