Gas pipeline monitoring and early warning valve

Abstract

The utility model relates to the technical field of fuel gas, in particular to a fuel gas pipeline monitoring and early warning valve which comprises a valve body, the two ends of the valve body are connected with pipelines through fixing mechanisms, an alarm mechanism is arranged on the valve body, the two ends of the valve body are both fixedly connected with fixing rings, and the two fixing rings are both connected with air bags. Sealing rings are fixedly connected to the inner ring walls of the two air bags, the two air bags are squeezed through a squeezing mechanism, and the sealing rings abut against the pipeline. The monitoring and early warning valve has the advantages that pipelines with different diameters can be conveniently mounted, and the adaptability of the monitoring and early warning valve is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas technology field especially relates to a gas pipeline monitoring early warning valve. BACKGROUND

[0002] The gas pipeline monitoring early warning valve is a kind of equipment for monitoring and controlling gas pipeline safety, it judges whether gas leaks in real time accurately by multiple monitoring ways (such as sound, gas sensitive, vibration sensor), and sends warning when detecting abnormal, when installing gas pipeline monitoring early warning valve, since the pipeline of gas is that the diameter of gas pipe is generally between 22-37 millimeter, it needs to use the early warning valve compatible with it when installing monitoring early warning valve to different diameter pipeline, so that early warning valve can only install to fixed size pipeline. UTILITY MODEL CONTENTS

[0003] The utility model discloses a kind of gas pipeline monitoring early warning valves to solve the shortcoming that early warning valve can only install to fixed size pipeline in prior art.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] Design a kind of gas pipeline monitoring early warning valve, including valve, the both ends of the valve are connected with pipeline by fixed mechanism, alarm mechanism is provided on the valve, the both ends of the valve are fixedly connected with fixed ring, two The air bag is connected on the two fixed rings, the inner ring wall of two air bags is fixedly connected with sealing ring, two air bags are extruded by extrusion mechanism, the sealing ring is in abutment with the pipeline.

[0006] Preferably, the fixed mechanism includes a plurality of threaded barrels, a plurality of threaded barrels are circumferentially equidistantly rotatably connected to the valve by sealing bearings, a plurality of threaded columns are threadedly connected to a plurality of threaded barrels, a plurality of abutment blocks are fixedly connected to a plurality of threaded columns, the abutment blocks are in abutment with the pipeline, and the abutment blocks are limited by a limiting mechanism.

[0007] Preferably, a plurality of threaded barrels are fixedly connected with twisting blocks.

[0008] Preferably, the limiting mechanism includes a limiting column, the limiting column is fixedly connected to the abutment block, a limiting barrel is sleeved outside the limiting column, and the limiting barrel is fixedly connected to the valve.

[0009] Preferably, the extrusion mechanism includes a threaded sleeve, the threaded sleeve is threadedly connected to the valve, an abutment ring is fixedly connected to the threaded sleeve, and the abutment ring is in abutment with the air bag.

[0010] Preferably, the abutting ring is provided with a buffer layer.

[0011] Preferably, the alarm mechanism comprises a semiconductor gas sensor, the semiconductor gas sensor is signal connected with a microcontroller, and the microcontroller is signal connected with a buzzer.

[0012] The utility model provides a kind of gas pipeline monitoring early warning valve, beneficial effect lies in: by adopting extrusion mechanism to extrude air bag, so that air bag occurs expansion towards inside, make sealing ring abut on pipeline of different diameters, to carry out sealing to pipeline, so as to carry out the pipeline installation of different diameters, improve the adaptability of monitoring early warning valve. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a kind of gas pipeline monitoring early warning valve structure diagram for the utility model to propose;

[0014] Figure 2 It is a kind of gas pipeline monitoring early warning valve pipe portion cutaway perspective view for the utility model to propose;

[0015] Figure 3 It is a kind of gas pipeline monitoring early warning valve for the utility model to propose Figure 2 Front view;

[0016] Figure 4 It is a kind of gas pipeline monitoring early warning limiting post and limiting cylinder part perspective view for the utility model to propose.

[0017] In the drawing: 1, valve;2, pipeline;3, threaded sleeve;4, limiting cylinder;5, alarm mechanism;6, twist block;7, threaded cylinder;8, threaded column;9, abutting ring;10, abutting block;11, air bag;12, sealing ring;13, fixed ring;14, limiting post. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0019] Embodiment 1: refer to Figures 1-4The utility model provides a kind of gas pipeline monitoring early warning valve, including valve 1, the both ends of valve 1 are connected with pipeline 2 by fixed mechanism, alarm mechanism 5 is provided on valve 1, alarm mechanism 5 includes semiconductor gas sensor, microcontroller is signal connected with semiconductor gas sensor, microcontroller is signal connected with buzzer, when the gas concentration detected by semiconductor gas sensor reaches or exceeds preset alarm threshold, microcontroller will trigger buzzer to alarm, to play the role of early warning, buzzer, semiconductor gas sensor, microcontroller are installed in shell, power supply button cell is provided in shell.

[0020] The both ends of valve 1 are fixedly connected with fixed ring 13, gas bag 11 is connected on the two fixed rings 13, sealing ring 12 is fixedly connected on the inner ring wall of the two gas bags 11, the two gas bags 11 are extruded by extrusion mechanism, sealing ring 12 is in abutment with pipeline 2, by adopting extrusion mechanism to extrude gas bag 11, so that gas bag 11 expands inward, so that sealing ring 12 is in abutment on pipeline 2 of different diameters, pipeline 2 is sealed, so as to install pipeline 2 of different diameters, improve the adaptability of monitoring early warning valve.

[0021] The fixed mechanism includes a plurality of threaded barrels 7, the number of threaded barrels 7 is at least three, a plurality of threaded barrels 7 are circumferentially and equidistantly rotatably connected to valve 1 by sealing bearings, a plurality of threaded columns 8 are threadedly connected to a plurality of threaded barrels 7, abutting blocks 10 are fixedly connected to a plurality of threaded columns 8, the abutting blocks 10 are in abutment with the pipeline 2, and the abutting blocks 10 are limited by limiting mechanisms, by rotating the threaded barrels 7, the positions of the adjusting threaded columns 8 in the threaded barrels 7 are adjusted, so as to drive the abutting blocks 10 to move and abut on the pipeline 2 to fix the pipeline 2.

[0022] A plurality of torsion blocks 6 are fixedly connected to a plurality of threaded barrels 7, the torsion blocks 6 are clamped by spanners to rotate the threaded barrels 7.

[0023] The extrusion mechanism includes a threaded sleeve 3, the threaded sleeve 3 is threadedly connected to valve 1, an abutting ring 9 is fixedly connected to the threaded sleeve 3, the abutting ring 9 is in abutment with the gas bag 11, the buffer layer can be made of rubber material, the abutting ring 9 is provided with a buffer layer, by rotating the threaded sleeve 3, the position of the threaded sleeve 3 on the valve 1 is adjusted, so as to adjust the position of the abutting ring 9, so as to adjust the extrusion expansion degree of the gas bag 11, so that the sealing ring 12 is in abutment on the pipeline 2 of different diameters.

[0024] Embodiment 2: refer to Figures 1-4As another preferred embodiment of the utility model, on the basis of embodiment 1, the limiting mechanism includes a limiting column 14, the limiting column 14 is fixedly connected on the abutting block 10, the limiting column 14 is externally sleeved with a limiting cylinder 4, the limiting cylinder 4 is fixedly connected on the valve 1, through the limiting cylinder 4 and the limiting column 14, the abutting block 10 is limited, the rotation of the abutting block 10 is prevented, thereby the rotation of the threaded column 8 is avoided.

[0025] The above is only the preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and the utility model concept of the utility model, equivalent replacement or change are covered in the protection scope of the utility model.

Claims

1. A gas pipeline monitoring and early warning valve comprising a valve (1), characterized in that, The both ends of the valve (1) are connected with the pipeline (2) through the fixing mechanism, the valve (1) is provided with the alarm mechanism (5), the both ends of the valve (1) are fixedly connected with the fixed ring (13), the both ends of the two fixed rings (13) are connected with the air bag (11), the inner ring wall of the two air bags (11) is fixedly connected with the sealing ring (12), the two air bags (11) are extruded through the extrusion mechanism, and the sealing ring (12) abuts against the pipeline (2).

2. The gas pipeline monitoring and early warning valve according to claim 1, characterized in that, The fixing mechanism comprises a plurality of threaded barrels (7), the threaded barrels (7) are circumferentially and equidistantly rotatably connected to the valve (1) through sealing bearings, threaded columns (8) are threadedly connected to the threaded barrels (7), abutting blocks (10) are fixedly connected to the threaded columns (8), the abutting blocks (10) abut against the pipeline (2), and the abutting blocks (10) are limited by the limiting mechanism.

3. The gas pipeline monitoring and early warning valve according to claim 2, characterized in that, The threaded barrels (7) are fixedly connected with twist blocks (6).

4. The gas pipeline monitoring and early warning valve according to claim 2, characterized in that, The limiting mechanism comprises a limiting column (14), the limiting column (14) is fixedly connected to the abutting block (10), a limiting barrel (4) is arranged on the outer side of the limiting column (14), and the limiting barrel (4) is fixedly connected to the valve (1).

5. The gas pipeline monitoring and early warning valve according to claim 1, characterized in that, The extrusion mechanism comprises a threaded sleeve (3), the threaded sleeve (3) is threadedly connected to the valve (1), an abutting ring (9) is fixedly connected to the threaded sleeve (3), and the abutting ring (9) abuts against the air bag (11).

6. A gas pipeline monitoring and warning valve according to claim 5, wherein, The abutting ring (9) is provided with a buffer layer.

7. The gas pipeline monitoring and early warning valve according to claim 1, characterized in that, The alarm mechanism (5) comprises a semiconductor gas sensor, the semiconductor gas sensor is signal-connected with a microcontroller, and the microcontroller is signal-connected with a buzzer.

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