Gas pipeline non-stop transmission plugging gas supply device

Abstract

The invention discloses a gas pipeline non-stop plugging and supplying device, comprising a cylindrical plug and an adjusting rod, wherein the outer wall of the plug is provided with an external thread; the plug is sleeved on the adjusting rod, and one end of the adjusting rod is fixedly sleeved with a rubber sealing pad; a bypass air inlet is also provided on the plug, one end of the bypass air inlet is communicated with the side wall of the plug, and the other end of the bypass air inlet is communicated with one end of the plug close to the rubber sealing pad. The invention has a simple structure and is easy to use. When the natural gas main line or connecting pipe needs to be repaired, the blind plate at the top of the tee is opened, and one end of the adjusting rod provided with the rubber sealing pad is extended downward from the tee, the plug is screwed into the through hole at the top of the tee and fixed, the adjusting rod is rotated, and the adjusting rod is extended downward into the connecting pipe, and the rubber sealing pad is used to seal the connecting pipe; then the air supply pipe of the mobile gas supply vehicle is connected to the threaded air inlet pipe, so that gas can be supplied to the user, thereby avoiding the loss caused to the user by the traditional gas stop maintenance.

Description

Technical field:

[0001] The invention relates to a plugging device, in particular to a gas pipeline non-stop plugging gas supply device. Background technology:

[0002] In the process of natural gas transmission, the main pipeline is laid underground and when it enters the user, Figure 1 As shown, a connecting pipe connected to the main line is buried vertically outdoors, the connecting pipe is turned up from underground to the ground, one end of the connecting pipe turned up to the ground is connected to a tee, the top of the tee is sealed by a blind plate, and the middle outlet of the tee is connected to the household pipe.

[0003] Due to factors such as ground subsidence, temperature changes, and corrosion, natural gas mains and connecting pipes will inevitably leak gas. Once a dangerous situation occurs, it needs to be repaired in time. In the past, the repair was carried out by stopping the gas supply, which would cause losses to users. Especially in the winter heating season in the north, it would cause huge losses to users. Therefore, it is necessary to develop a gas supply device that can stop the transmission and block the gas supply to fundamentally protect the rights and interests of users. Summary of the invention:

[0004] In order to solve the above technical problems, the purpose of the present invention is to provide a gas pipeline non-stop plugging gas supply device.

[0005] The present invention is implemented by the following technical scheme: a gas pipeline non-stop plugging and gas supply device, which includes a cylindrical plug and an adjusting rod, the outer wall of the plug is provided with an external thread; the plug is provided with a through hole along the central axis direction, the plug is sleeved on the adjusting rod through the through hole, and one end of the adjusting rod is fixedly sleeved with a rubber sealing gasket; a bypass air inlet is also provided on the plug, one end of the bypass air inlet is connected to the side wall of the plug, and the other end of the bypass air inlet is connected to one end of the plug close to the rubber sealing gasket.

[0006] Furthermore, an inner end of the through hole and an outer wall of one end of the adjusting rod are respectively provided with an inner thread and an outer thread, and the plug is threadably connected to the adjusting rod.

[0007] Furthermore, an annular groove is provided in the through hole, an O-ring is provided in the annular groove, and the adjusting rod is sealed and connected to the plug via the O-ring.

[0008] Furthermore, a threaded air inlet pipe connected to the bypass air inlet is integrally provided on the outer wall of the plug.

[0009] Furthermore, the rubber sealing gasket is sleeved on the adjusting rod, and annular pressure plates and nuts are respectively sleeved on the adjusting rods on both sides of the rubber sealing gasket, the annular pressure plates are fixedly sleeved in the annular positioning grooves of the adjusting rods, and the rubber sealing gasket is fixed by the annular pressure plates and nuts.

[0010] Furthermore, it also includes a rubber protective cover, wherein an internal thread corresponding to the external thread of the plug is arranged inside the rubber protective cover, and the rubber sealing cover is arranged on an end of the adjusting rod away from the rubber sealing pad and is threadedly connected to the plug.

[0011] The advantages of the present invention are as follows: the present invention has a simple structure and is easy to use. When a natural gas main line or a connecting pipe leaks and needs to be repaired, it is only necessary to open the blind plate on the top of the tee, extend the end of the adjusting rod with a rubber sealing pad downward from the tee, screw the plug into the through hole on the top of the tee and fix it, rotate the adjusting rod, extend the adjusting rod downward into the connecting pipe, and use the rubber sealing pad to seal the connecting pipe; then connect the air supply pipe of the mobile gas supply vehicle to the threaded air inlet pipe to supply gas to the user, avoiding the loss to the user caused by the traditional gas stoppage maintenance. Description of the drawings:

[0012] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a connection diagram of the connecting pipe and the household pipe;

[0014] Figure 2 A schematic diagram is used for the present invention.

[0015] In the figure: plug 1, adjustment rod 2, rubber sealing pad 3, bypass air inlet 4, O-ring 5, threaded air inlet pipe 6, annular pressure plate 7, positioning groove 8, nut 9, rubber protective cover 10, connecting pipe 11, inlet pipe 12, tee 13. Specific implementation method:

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] A gas pipeline non-stop plugging and gas supply device comprises a cylindrical plug 1 and an adjusting rod 2, wherein the outer wall of the plug 1 is provided with an external thread; the plug 1 is provided with a through hole along the central axis direction, the plug 1 is sleeved on the adjusting rod 2 through the through hole, and a rubber sealing pad 3 is fixedly sleeved on one end of the adjusting rod 2; a bypass air inlet 4 is also provided on the plug 1, one end of the bypass air inlet 4 is communicated with the side wall of the plug, and the other end of the bypass air inlet 4 is communicated with one end of the plug 1 close to the rubber sealing pad 3.

[0018] An inner thread and an outer thread are respectively provided on one end of the through hole and one end of the adjusting rod 2 , and the plug 1 is threadedly connected to the adjusting rod 2 .

[0019] An annular groove is also provided in the through hole, and an O-type sealing ring 5 is provided in the annular groove. The adjusting rod 2 and the plug 1 are sealed and connected via the O-type sealing ring 5 .

[0020] A threaded air inlet pipe 6 communicating with the bypass air inlet 4 is integrally provided on the outer wall of the plug 1 .

[0021] The rubber sealing pad 3 is sleeved on the adjusting rod 2, and annular pressure plates 7 and nuts 9 are respectively sleeved on the adjusting rod 2 on both sides of the rubber sealing pad 3. The annular pressure plate 7 is fixedly sleeved in the annular positioning groove 8 of the adjusting rod 2, and the rubber sealing pad 3 is fixed by the annular pressure plate 7 and the nut 9.

[0022] As a specific embodiment, the device also includes a rubber protective cover 10, which has an internal thread corresponding to the external thread of the plug 1. The rubber sealing cover is arranged at one end of the adjustment rod 2 away from the rubber sealing pad 3 and is threadedly connected to the plug 1.

[0023] Working principle:

[0024] When the natural gas main line or the connecting pipe 11 leaks and needs to be repaired, open the blind plate on the top of the tee 13, extend the end of the adjusting rod 2 with the rubber sealing pad 3 downward from the tee 13, screw the plug into the through hole on the top of the tee 13 and fix it, rotate the adjusting rod 2, extend the adjusting rod 2 downward into the connecting pipe 11, and use the rubber sealing pad 3 to seal the connecting pipe 11;

[0025] Then, the rubber protective cover 10 is put on the top of the plug 1 to prevent the natural gas from escaping from the gap between the plug 1 and the regulating rod 2 during gas supply;

[0026] The air supply pipe of the mobile air supply vehicle is connected to the threaded air inlet pipe 6 to supply air to the user, thereby avoiding the loss to the user caused by the traditional gas stop maintenance.

[0027] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A gas supply device is provided to seal the gas pipeline without stopping transmission. A connecting pipe connected to the main pipeline is vertically buried outdoors. The connecting pipe is turned up from underground to the ground. One end of the connecting pipe turned up to the ground is connected to a tee. The top of the tee is sealed by a blind plate. The middle outlet of the tee is connected to the household pipe. The characteristics are as follows: It includes a cylindrical plug and an adjusting rod, the outer wall of the plug is provided with an external thread; the plug is provided with a through hole along the central axis direction, the plug is sleeved on the adjusting rod through the through hole, and one end of the adjusting rod is fixedly sleeved with a rubber sealing gasket; a bypass air inlet is also provided on the plug, one end of the bypass air inlet is communicated with the side wall of the plug, and the other end of the bypass air inlet is communicated with an end of the plug close to the rubber sealing gasket; when the main line or the connecting pipe leaks and needs to be repaired, the blind plate is opened, the end of the adjusting rod provided with the rubber sealing gasket is extended downward from the tee, the plug is screwed into the through hole at the top of the tee and fixed, the adjusting rod is rotated, the adjusting rod is extended downward into the connecting pipe, and the rubber sealing gasket is used to seal the connecting pipe.

2. The gas pipeline non-stop plugging and gas supply device according to claim 1 is characterized in that: An inner end of the through hole and an outer wall of one end of the adjusting rod are respectively provided with an inner thread and an outer thread, and the plug is threadably connected to the adjusting rod.

3. The gas pipeline non-stop plugging and gas supply device according to claim 1 is characterized in that: An annular groove is also provided in the through hole, an O-type sealing ring is provided in the annular groove, and the adjusting rod is sealed and connected with the plug via the O-type sealing ring.

4. The gas pipeline non-stop plugging and gas supply device according to claim 1 is characterized in that: A threaded air inlet pipe connected to the bypass air inlet is integrally provided on the outer wall of the plug.

5. The gas pipeline non-stop plugging and gas supply device according to claim 1 is characterized in that: The rubber sealing pad is sleeved on the adjusting rod, and annular pressing plates and nuts are respectively sleeved on the adjusting rods on both sides of the rubber sealing pad. The annular pressing plates are fixedly sleeved in the annular positioning grooves of the adjusting rods, and the rubber sealing pad is fixed by the annular pressing plates and nuts.

6. The gas pipeline non-stop plugging and gas supply device according to claim 1 is characterized in that: It also includes a rubber protective cover, wherein an internal thread corresponding to the external thread of the plug is arranged inside the rubber protective cover, and the rubber sealing cover is arranged on an end of the adjusting rod away from the rubber sealing pad and is threadedly connected to the plug.

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