Gas pipe network pressure safety monitoring device

Abstract

The utility model relates to a gas pipe network pressure safety monitoring device which comprises a pressure gauge body and a gas pipe, a plurality of fixing pieces are arranged on the outer side of the pressure gauge body, a gas inlet pipe is arranged in the middle of the bottom end of the pressure gauge body, a butt joint assembly is arranged at the bottom end of the gas inlet pipe, and the butt joint assembly comprises a threaded pipe, a threaded cylinder, a first connecting pipe and a second connecting pipe. A supporting assembly is arranged on the outer surface of the threaded pipe and comprises a first fixing disc, a second fixing disc, a fixing screw and a fixing hole. Sealing assemblies are arranged at the top ends of the threaded cylinders; according to the utility model, through the arrangement of the first fixing disc and the second fixing disc and the cooperation of the fixing screw rod and the fixing hole, when the pressure gauge body and the second connecting pipe are installed and butted, the pressure gauge body can be supported and stressed through the cross-shaped first fixing disc and the cross-shaped second fixing disc which extend outwards, so that the supporting stress area and the stress point after installation are increased; and the installation is more stable.

Description

Technical Field

[0001] The utility model relates to the technical field of gas pipeline detection devices, in particular to a gas pipeline network pressure safety monitoring device. Background Art

[0002] The urban gas pipeline network refers to a system consisting of all facilities from the gate station to the user, including the gate station or gas source plant compressor station, gas storage facilities, pressure regulating devices, transmission and distribution pipelines, metering devices, management facilities, monitoring systems, etc. In order to ensure the safety of the gas pipeline network, it is necessary to install a pressure gauge on the gas pipeline to monitor the internal pressure of the pipeline.

[0003] At present, most of the gas pipeline pressure gauges are basically threadedly connected to the gas pipeline through threads when they are installed and docked with the gas pipeline. The connection is only threaded through a threaded pipe and a threaded barrel, which results in a relatively single force support point between the pressure gauge and the gas pipe. The pressure gauge itself is heavy, and after the docking is completed, it is easy to become unstable and have poor sealing at the connection. Therefore, it is necessary to design a gas pipeline pressure safety monitoring device with a stable connection and good sealing to solve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a gas pipe network pressure safety monitoring device for solving the problems raised by the above-mentioned background technology.

[0005] The utility model discloses a gas pipe network pressure safety monitoring device, comprising a pressure gauge body and a gas pipe, wherein a plurality of fixing plates are arranged on the outside of the pressure gauge body, an air intake pipe is arranged on the middle part of the bottom end of the pressure gauge body, a docking assembly is arranged on the bottom end of the air intake pipe, the docking assembly comprises a threaded pipe, a threaded barrel, a first connecting pipe and a second connecting pipe, a supporting assembly is arranged on the outer surface of the threaded pipe, the supporting assembly comprises a first fixing plate, a second fixing plate, a fixing screw and a fixing hole; a sealing assembly is arranged on the top end of the threaded barrel, the sealing assembly comprises a sealing groove, a sealing ring, a first sealing ring, a supporting ring and a second sealing ring.

[0006] As a further improvement of the utility model, the threaded tube is arranged at the bottom end of the air intake pipe and is connected to the air intake pipe, the first connecting tube is arranged in the middle of the gas pipe, the second connecting tube is arranged at the top end of the first connecting tube and is connected to the inner cavity of the gas pipe, and the top end of the second connecting tube is open.

[0007] As a further improvement of the utility model, the threaded barrel is arranged in a position close to the top end of the inner cavity of the second connecting tube, the threaded tube is threadedly connected to the threaded barrel, and the top end and the bottom end of the threaded barrel are both through-designed.

[0008] As a further improvement of the present invention, the first fixing plate is arranged on the outer surface of the threaded tube, and the second fixing plate is arranged on the outer surface of the second connecting tube near the top.

[0009] As a further improvement of the present invention, the first fixing plate and the second fixing plate are both designed in a cross-shaped structure, the fixing hole is opened through the top of the first fixing plate and the second fixing plate near the outside, and the fixing screw passes through the fixing hole to connect and fix the first fixing plate and the second fixing plate.

[0010] As a further improvement of the utility model, the sealing ring is arranged on the outer surface of the threaded tube close to the bottom end of the first fixed plate, and the first sealing ring is arranged on the bottom end surface of the support ring.

[0011] As a further improvement of the utility model, the sealing groove is opened on the top surface of the threaded tube and corresponds to the position of the first sealing ring, the support ring is arranged on the inner wall of the threaded tube near the bottom end, and the second sealing ring is arranged on the bottom end surface of the support ring.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model provides a first fixing plate and a second fixing plate, cooperates with a fixing screw and a fixing hole, so that when the pressure gauge body is installed and docked with the second connecting pipe, the cross-shaped first fixing plate and the second fixing plate extending outward can support and bear force, thereby increasing the supporting force bearing area and force bearing point after installation, making the installation more stable;

[0014] 2. At the same time, the provided sealing groove and sealing ring are used in conjunction with the first sealing ring and the second sealing ring, so that after the threaded pipe is connected to the threaded barrel, the first sealing ring on the sealing ring and the second sealing ring on the threaded pipe can better seal the connection, effectively improving the sealing of the connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0016] Figure 1 It is a schematic diagram of the overall three-dimensional unfolded structure of the utility model;

[0017] Figure 2 This is a schematic diagram of a partial three-dimensional top view of the threaded barrel of the utility model;

[0018] Figure 3 It is a schematic diagram of a partial three-dimensional upward view of the threaded pipe of the utility model.

[0019] In the figure: 01, pressure gauge body; 011, fixing plate; 012, air inlet pipe; 02, first fixing plate; 021, fixing screw; 022, second fixing plate; 023, fixing hole; 03, threaded pipe; 031, sealing groove; 032, threaded tube; 033, sealing ring; 034, first sealing ring; 035, supporting ring; 036, second sealing ring; 04, gas pipe; 041, first connecting pipe; 042, second connecting pipe. DETAILED DESCRIPTION

[0020] The following will disclose multiple embodiments of the utility model with diagrams. For the purpose of clear description, many physical details will be described together in the following description. However, it should be understood that these physical details should not be used to limit the utility model. In other words, in some embodiments of the utility model, these physical details are not necessary. In addition, for the purpose of simplifying the diagram, some conventional structures and components will be depicted in a simple schematic manner in the diagram.

[0021] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0022] In the description of this technology, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this technology can be understood according to specific circumstances.

[0023] In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0024] See also Figure 1-3The utility model includes a pressure gauge body 01 and a gas pipe 04. A plurality of fixing plates 011 are arranged on the outer side of the pressure gauge body 01. An air intake pipe 012 is arranged in the middle of the bottom end of the pressure gauge body 01. A docking assembly is arranged at the bottom end of the air intake pipe 012. The docking assembly includes a threaded tube 03, a threaded barrel 032, a first connecting tube 041 and a second connecting tube 042. A supporting assembly is arranged on the outer surface of the threaded tube 03. The supporting assembly includes a first fixing plate 02, a second fixing plate 022, a fixing screw 021 and a fixing hole 023. A sealing assembly is arranged on the top end of the threaded barrel 032. The sealing assembly includes a sealing groove 031, a sealing ring 033, a first sealing ring 034, a supporting ring 035 and a second sealing ring 036.

[0025] See also Figure 1 and Figure 2 In this embodiment, in order to better install and dock the pressure gauge body 01 with the gas pipe 04, the threaded pipe 03 is arranged at the bottom end of the air inlet pipe 012 and communicated with the air inlet pipe 012, the first connecting pipe 041 is arranged in the middle of the gas pipe 04, the second connecting pipe 042 is arranged at the top end of the first connecting pipe 041 and communicated with the inner cavity of the gas pipe 04, and the top end of the second connecting pipe 042 is open;

[0026] The threaded tube 032 is arranged in the inner cavity of the second connecting tube 042 near the top, the threaded tube 03 is threadedly connected to the threaded tube 032, the top and bottom of the threaded tube 032 are through-designed, and the threaded tube 03 is integrally formed at the bottom of the intake pipe 012.

[0027] When the pressure gauge body 01 needs to be connected to the gas pipe 04, first align the threaded tube 03 at the bottom end of the air inlet pipe 012 with the threaded tube 032 on the inner wall of the second connecting tube 042, and screw the threaded tube 03 into the threaded tube 032 to complete the initial connection.

[0028] See also Figure 1 and Figure 3 It should be noted that, in order to better reinforce the connection and make the connection more stable, the first fixing plate 02 is arranged on the outer surface of the threaded tube 03, and the second fixing plate 022 is arranged on the outer surface of the second connecting tube 042 near the top;

[0029] The first fixed plate 02 and the second fixed plate 022 are both designed in a cross-shaped structure. The fixing hole 023 is opened through the top of the first fixed plate 02 and the second fixed plate 022 near the outside. The fixing screw 021 passes through the fixing hole 023 to connect and fix the first fixed plate 02 and the second fixed plate 022. The first fixed plate 02 is fixedly connected to the outer wall of the threaded tube 03, and the second fixed plate 022 is fixedly connected to the outer wall of the second connecting tube 042.

[0030] When the threaded tube 03 is connected to the threaded barrel 032, a plurality of fixing screws 021 are inserted into the fixing holes 023 on the first fixing plate 02 and the second fixing plate 022 in sequence, and the fixing screws 021 are tightened to connect and fix the first fixing plate 02 and the second fixing plate 022, thereby increasing the supporting area between the pressure gauge body 01 and the gas pipe 04 and making the connection more stable.

[0031] See also Figure 2 and Figure 3 Specifically, in order to effectively ensure the sealing of the connection, the sealing ring 033 is arranged on the outer surface of the threaded tube 03 near the bottom end of the first fixed plate 02, and the first sealing ring 034 is arranged on the bottom end surface of the support ring 035;

[0032] The sealing groove 031 is opened at the top surface of the threaded tube 032 and corresponds to the position of the first sealing ring 034. The support ring 035 is arranged on the inner wall of the threaded tube 03 near the bottom end. The second sealing ring 036 is arranged on the bottom end surface of the support ring 035. The sealing ring 033 is fixedly connected to the outer wall of the threaded tube 03. The first sealing ring 034 and the second sealing ring 036 are both made of rubber.

[0033] When the threaded tube 03 is connected to the threaded barrel 032 , the first sealing ring 034 at the bottom of the sealing ring 033 will be driven to be inserted into the sealing groove 031 at the top of the threaded barrel 032 , and cooperate with the second sealing ring 036 to effectively ensure the sealing of the connection.

[0034] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A gas pipe (04) network pressure safety monitoring device, comprising a pressure gauge body (01) and a gas pipe (04), characterized in that: A plurality of fixing plates (011) are arranged on the outside of the pressure gauge body (01); an air inlet pipe (012) is arranged at the middle of the bottom end of the pressure gauge body (01); a docking assembly is arranged at the bottom end of the air inlet pipe (012); the docking assembly comprises a threaded pipe (03), a threaded cylinder (032), a first connecting pipe (041) and a second connecting pipe (042); a supporting assembly is arranged on the outer surface of the threaded pipe (03); the supporting assembly comprises a first fixing plate (02), a second fixing plate (022), a fixing screw (021) and a fixing hole (023); A sealing assembly is provided at the top end of the threaded barrel (032), and the sealing assembly comprises a sealing groove (031), a sealing ring (033), a first sealing ring (034), a supporting ring (035) and a second sealing ring (036).

2. A gas pipe (04) network pressure safety monitoring device according to claim 1, characterized in that: The threaded tube (03) is arranged at the bottom end of the air intake pipe (012) and is in communication with the air intake pipe (012); the first connecting tube (041) is arranged at the middle of the gas pipe (04); the second connecting tube (042) is arranged at the top end of the first connecting tube (041) and is in communication with the inner cavity of the gas pipe (04); the top end of the second connecting tube (042) is open.

3. A gas pipe (04) network pressure safety monitoring device according to claim 1, characterized in that: The threaded tube (032) is arranged in a position close to the top end of the inner cavity of the second connecting tube (042), the threaded tube (03) is threadedly connected to the threaded tube (032), and the top and bottom ends of the threaded tube (032) are both through-designed.

4. A gas pipe (04) network pressure safety monitoring device according to claim 1, characterized in that: The first fixing plate (02) is arranged on the outer surface of the threaded tube (03), and the second fixing plate (022) is arranged on the outer surface of the second connecting tube (042) at a position close to the top end.

5. A gas pipe (04) network pressure safety monitoring device according to claim 1, characterized in that: The first fixing plate (02) and the second fixing plate (022) are both designed in a cross-shaped structure, and the fixing hole (023) is opened through the top of the first fixing plate (02) and the second fixing plate (022) near the outside, and the fixing screw (021) passes through the fixing hole (023) to connect and fix the first fixing plate (02) and the second fixing plate (022).

6. A gas pipe (04) network pressure safety monitoring device according to claim 1, characterized in that: The sealing ring (033) is arranged on the outer surface of the threaded tube (03) close to the bottom end of the first fixed disk (02), and the first sealing ring (034) is arranged on the bottom end surface of the support ring (035).

7. A gas pipe (04) network pressure safety monitoring device according to claim 1, characterized in that: The sealing groove (031) is provided on the top end surface of the threaded tube (032) and corresponds to the position of the first sealing ring (034); the support ring (035) is provided on the inner wall of the threaded tube (03) near the bottom end; and the second sealing ring (036) is provided on the bottom end surface of the support ring (035).

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