CN210831448U

CN210831448U - Leakage-proof alarm device for monitoring natural gas pipeline

Info

Publication number: CN210831448U
Application number: CN201921627629.3U
Authority: CN
Inventors: 张菲菲; 其他发明人请求不公开姓名
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-06-23
Anticipated expiration: 2029-09-27

Abstract

The utility model relates to a natural gas prevention technical field especially relates to a natural gas line is leak protection alarm device for monitoring, including the shell, the shell passes through the hinge rotation by two half square frames and connects to form, and the inside clamp of shell has the pipeline interface, is provided with sealing mechanism between shell and the pipeline interface, and the bottom of half square frame is fixed welding separately has the base, and the inside of base is matchd there is fixing bolt, and fixed welding has the draw-in groove of two symmetries on the lateral wall of shell, and the clamp joint has the alarm detector between two draw-in grooves. Can so that the shell thoroughly seals the pipeline interface at sealing mechanism's setting, even if pipeline interface leaks gas and also can be with the natural gas restriction in the shell, the setting of warning detector can the short-term test in addition the inside natural gas content of shell, and when pipeline interface leaked gas, the warning detector can send out the police dispatch newspaper, reminds safety maintenance personnel to carry out emergency rescue to this section pipeline, and the security is strong, is fit for promoting.

Description

Leakage-proof alarm device for monitoring natural gas pipeline

Technical Field

The utility model relates to a natural gas prevention technical field especially relates to a leak protection alarm device is used in natural gas line monitoring.

Background

Along with the development of science and technology, people's life is taking place the change of covering the ground over the world, the natural gas is as the novel energy that people commonly used now, by each family of extensive application, the natural gas pipeline also lays adjacent family next family, but the natural gas is as a flammable explosive gas, its security needs our extra attention, especially to pipeline interface position department, the gas leakage phenomenon will appear very likely, and in case the gas concentration who reveals is too high, will appear the danger of explosion very easily, for this reason, we need set up leak protection alarm device at key pipeline interface department and avoid appearing the dangerous condition.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that the pipeline kneck lacks leak protection alarm device among the prior art, and the leak protection alarm device is used in the monitoring of a natural gas line who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a leakage-proof alarm device for monitoring a natural gas pipeline is designed, and comprises a shell, wherein the shell is formed by rotationally connecting two half square frames through a hinge, a pipeline interface is clamped in the shell, a sealing mechanism is arranged between the shell and the pipeline interface, a base is fixedly welded at the bottom end of each half square frame, a fixing bolt is matched in the base, two symmetrical clamping grooves are fixedly welded on the side wall of the shell, an alarm detector is clamped between the two clamping grooves, a limiting block is fixedly welded on the side wall of the shell and abuts against the middle part of the bottom end of the alarm detector, a square plate is fixedly welded on one side, back to one side, of the two clamping grooves, a sliding groove is formed between the square plate and the side wall of the shell, a transparent glass sliding cover is arranged in the sliding groove in a sliding manner and can shield the alarm detector, the inside fixed adhesion of transparent glass sliding closure limit stop, limit stop offsets with the top of square board, the sense terminal of alarm detector runs through the inside that the shell extended to the shell, and is provided with the sealing plug between the sense terminal of alarm detector and the shell.

Preferably, the sealing mechanism comprises semicircular grooves formed in the center positions of the two half square frames, sealing rubber is fixedly adhered to the inner portions of the semicircular grooves, and the sealing rubber abuts against the outer wall of the pipeline under the action of the semicircular grooves.

Preferably, a sealing strip is fixedly adhered to the edge position where the two half frames are contacted.

Preferably, the alarm detector is a portable natural gas concentration detection alarm instrument commonly used by gas companies.

Preferably, the two bases do not contact each other.

The utility model provides a pair of leakage-proof alarm device is used in natural gas line monitoring, beneficial effect lies in: this leak protection alarm device for natural gas line monitoring establishes the shell through the outside cover at pipeline interface, and be provided with sealing mechanism between shell and the pipeline interface, can be so that the shell thoroughly seals pipeline interface, even if pipeline interface leaks gas also can be with the natural gas restriction in the shell, and the setting of warning detector can detect out the inside natural gas content of shell fast, when pipeline interface leaks gas, the natural gas that the warning detector detected out in the shell and revealed, then can send out the police dispatch newspaper, remind the security maintainer to carry out emergency rescue to this section pipeline, the security is strong, and is suitable for popularization.

Drawings

Fig. 1 is a schematic view of a front view cross-sectional structure of a leakage-proof alarm device for monitoring a natural gas pipeline provided by the present invention;

fig. 2 is a schematic side view of the leakage-proof alarm device for monitoring a natural gas pipeline according to the present invention;

fig. 3 is a schematic front view of the leakage-proof alarm device for monitoring a natural gas pipeline according to the present invention;

fig. 4 is the utility model provides a leak protection alarm device for natural gas line monitoring's elevation structure sketch map.

In the figure: the device comprises a shell 1, a half square frame 2, a hinge 3, a semicircular groove 4, sealing rubber 5, a pipeline connector 6, a base 7, a fixing bolt 8, a clamping groove 9, an alarm detector 10, a limiting block 11, a square plate 12, a sliding groove 13, a transparent glass sliding cover 14, a limiting stop block 15, a sealing plug 16 and a sealing strip 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1

Referring to fig. 1-4, a leakage-proof alarm device for monitoring a natural gas pipeline comprises a shell 1, wherein the shell 1 is formed by rotationally connecting two half-square frames 2 through a hinge 3, a pipeline connector 6 is clamped in the shell 1, a sealing mechanism is arranged between the shell 1 and the pipeline connector 6, a sealing strip 17 is fixedly adhered to the edge position where the two half-square frames 2 are contacted, bases 7 are respectively and fixedly welded at the bottom ends of the half-square frames 2, the two bases 7 are not contacted with each other, a fixing bolt 8 is matched in the bases 7, the sealing property between the two half-square frames 2 can be increased under the action of the sealing mechanism and the sealing strip 17, so that the air flow in the shell 1 is isolated from the external air flow, the shell 1 has a leakage-proof function, in addition, the two bases 7 are not contacted with each other, the distance between the bases 7 is gradually reduced under the action, therefore, the acting force between the two half boxes 2 is increased, and the sealing effect between the two half boxes 2 is better under the increasing acting force.

In the utility model, two symmetrical clamping grooves 9 are fixedly welded on the side wall of the shell 1, and an alarm detector 10 is clamped between the two clamping grooves 9, the alarm detector 10 is a portable natural gas concentration detection alarm commonly used by gas companies, a limit block 11 is fixedly welded on the side wall of the shell 1, the limit block 11 is abutted against the middle part of the bottom end of the alarm detector 10, the alarm detector 10 can be detached and installed from the side wall of the shell 1 at any time under the action of the clamping grooves 9 and the limit block 11, a square plate 12 is fixedly welded on one side of the two clamping grooves 9 facing away from the side, a sliding groove 13 is formed between the square plate 12 and the side wall of the shell 1, a transparent glass sliding cover 14 is arranged in the sliding groove 13 in a sliding way, the alarm detector 10 can be shielded by the transparent glass sliding cover 14, a limit stop block 15 is fixedly adhered inside the transparent glass sliding cover 14, and, transparent glass sliding closure 14 is under spout 13's effect, can shelter from alarm detector 10, thereby reduce dust and rainwater pollution, alarm detector 10's sense terminal runs through the inside that shell 1 extends to shell 1, and be provided with sealing plug 16 between alarm detector 10's sense terminal and the shell 1, alarm detector 10 can detect out the inside natural gas content of shell 1 fast, when pipeline interface 6 leaks gas, alarm detector 10 detects out the natural gas of revealing in shell 1, then can send out the police dispatch newspaper, remind the safety maintenance personnel to carry out emergency rescue to this section pipeline.

Example 2

Referring to fig. 2, as another preferred embodiment of the present invention, the difference from embodiment 1 lies in that the sealing mechanism includes a half slot 4 provided at the central position of two half square frames 2, a sealing rubber 5 is fixedly adhered inside the half slot 4, the sealing rubber 5 abuts against the outer wall of the pipeline under the action of the half slot 4, the sealing rubber 5 is clamped between the half slot 4 and the pipeline interface 6, and sealing can be implemented between the housing 1 and the pipeline interface 6, so that the inside air of the housing 1 is isolated from the outside air, and the leakage prevention function of the pipeline interface 6 is realized.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The leakage-proof alarm device for monitoring the natural gas pipeline comprises a shell (1) and is characterized in that the shell (1) is formed by rotationally connecting two half square frames (2) through a hinge (3), a pipeline interface (6) is clamped inside the shell (1), a sealing mechanism is arranged between the shell (1) and the pipeline interface (6), a base (7) is fixedly welded at the bottom end of each half square frame (2), a fixing bolt (8) is matched inside the base (7), two symmetrical clamping grooves (9) are fixedly welded on the side wall of the shell (1), an alarm detector (10) is clamped between the two clamping grooves (9), a limiting block (11) is fixedly welded on the side wall of the shell (1), the limiting block (11) is abutted to the middle part of the bottom end of the alarm detector (10), and a square plate (12) is fixedly welded on one side of the clamping groove (9) facing away from the back, constitute spout (13) between the lateral wall of square board (12) and shell (1), it is provided with transparent glass sliding closure (14) to slide in spout (13), transparent glass sliding closure (14) can accomplish alarm detection appearance (10) and shelter from, the inside fixed bonding of transparent glass sliding closure (14) has limit stop (15), limit stop (15) offset with the top of square board (12), the sense terminal of alarm detection appearance (10) runs through the inside that shell (1) extended to shell (1), and is provided with sealing plug (16) between the sense terminal of alarm detection appearance (10) and shell (1).

2. The leakage-proof alarm device for monitoring the natural gas pipeline is characterized in that the sealing mechanism comprises a semicircular groove (4) formed in the center position of the two semicircular frames (2), sealing rubber (5) is fixedly adhered to the inner part of the semicircular groove (4), and the sealing rubber (5) is abutted to the outer wall of the pipeline under the action of the semicircular groove (4).

3. The leakage-proof alarm device for monitoring the natural gas pipeline is characterized in that a sealing strip (17) is fixedly adhered to the edge position where the two half square frames (2) are contacted.

4. The leakage-proof alarm device for monitoring the natural gas pipeline is characterized in that the alarm detector (10) is a portable natural gas concentration detection alarm device commonly used by a gas company.

5. The leakage-proof alarm device for monitoring a natural gas pipeline according to claim 1,

the two bases (7) are not in contact with each other.