Purge device for pressure guide pipe of energy metering device

Abstract

The utility model relates to the technical field of connecting pipe purging devices, in particular to an energy metering instrument connecting pipe purging device which comprises a steel cylinder with a gas outlet, the outer side of the gas outlet is communicated with a connecting pipe through a flange plate, and the outer side of the connecting pipe is communicated with the side of the connecting pipe through a connecting assembly. The connecting assembly comprises an air passing pipe, a middle pipe and a connecting ring, a rotating groove is formed in the outer side wall of the connecting pipe, a sleeving ring is fixed to the inner side of one end of the connecting ring, the connecting ring is clamped in the rotating groove through the sleeving ring, and a threaded structure is arranged on the inner side wall of the other end of the connecting ring, so that the connecting ring can be meshed and fixed with the side, with the threaded structure, of the middle pipe; the air passing pipe structure with the middle pipes on the two sides can be communicated with the pressure guide pipe side through the communicated connecting pipes on the two sides, the connecting pipe-connecting ring-middle pipe structure with the rotating groove is adopted, the effects of rapid communication and disassembly and assembly of the three sets of structures can be achieved, and the field operation requirement is met.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure pipe purge devices, in particular to a pressure pipe purge for energy metering instruments. Background Art

[0002] Existing gas metering instruments are mainly used for daily cost accounting. However, there are many impurities in various gases, which can easily cause blockage of the pressure pipes of the metering instruments, and cannot guarantee the accuracy and stability of the equipment's measurement.

[0003] When connecting two sets of pipe openings, too many installation steps are required, which is relatively cumbersome. A simple and convenient purge device with a quick connection function is needed. Utility Model Content

[0004] Technical problems solved

[0005] In response to the above-mentioned shortcomings of the prior art, the utility model provides a pressure pipe purger for energy metering instruments. Through the provided steel cylinder and connecting assembly structure, the user can connect the gas outlet in the steel cylinder with the pressure pipe side through the connecting assembly. Specifically, during connection, the connecting ring is clamped with the rotating groove through the sleeve ring, and the connecting ring can be rotated in the rotating groove (the outside of the connecting pipe), so it can be engaged and fixed with the side of the middle pipe with the threaded structure, thereby playing the role of quick connection. The air pipe structure with the middle pipe on both sides can be connected with the pressure pipe side through the connecting pipes on both sides. In this case, a connecting pipe-connecting ring-middle pipe structure with a rotating groove is adopted, which can achieve the effect of quick connection and disassembly of the three groups of structures, meeting the needs of on-site operations; it can effectively solve the problem in the prior art that when the purger is connected to the pressure pipe of the instrument, there are many steps, which reduces the installation efficiency.

[0006] Technical Solution

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] The utility model provides a pressure pipe purger for an energy metering instrument, comprising a steel cylinder with a gas outlet, the outer side of the gas outlet being connected to a connecting pipe through a flange, the outer side of the connecting pipe being connected to the pressure pipe side through a connecting assembly, the connecting assembly comprising an air pipe, a middle pipe and a connecting ring, a rotating groove being provided on the outer side wall of the connecting pipe, a sleeve ring being fixed on the inner side of one end of the connecting ring, the connecting ring being clamped in the rotating groove by the sleeve ring to achieve connection with the connecting pipe, a threaded structure being provided on the inner side wall of the other end of the connecting ring, the inner side of the connecting ring being connected and fixed to the middle pipe, one end of the middle pipe being connected to the air pipe, the other end of the air pipe being connected to another group of middle pipes, the connecting ring and the connecting pipe, and the connecting pipe on this side being connected to the pressure pipe side.

[0009] Furthermore, the groove diameter of the rotating groove is adapted to the thickness of the sleeve ring.

[0010] Furthermore, a threaded structure is provided on the outer side of the middle tube, and the middle tube and the connecting ring are engaged and fixed.

[0011] Furthermore, a groove body is provided at the top end of the air passage, and the groove body is fixedly connected to the inner side wall by a connecting port with a threaded structure, and a plug is engaged in the connecting port.

[0012] Furthermore, an anti-slip groove is provided on the outer side of the connecting ring.

[0013] Furthermore, a valve structure is provided at the top of the cylinder to control the opening and closing of the gas outlet.

[0014] Beneficial effects

[0015] Compared with the known public technology, the technical solution provided by this utility model has the following advantages:

[0016] Beneficial effects:

[0017] The utility model provides a steel cylinder and a connecting assembly structure, and the user can connect the gas outlet in the steel cylinder with the pressure-guiding pipe side through the connecting assembly. Specifically, when connecting, the connecting ring is clamped with the rotating groove through the sleeve ring, and the connecting ring can be rotated in the rotating groove (the outside of the connecting pipe), so it can be engaged and fixed with the side of the middle pipe with a threaded structure, thereby achieving a quick connection function. The air pipe structure with middle pipes on both sides can be connected with the pressure-guiding pipe side through the connecting pipes on both sides. In this case, a connecting pipe-connecting ring-middle pipe structure with a rotating groove is adopted, which can achieve the effect of quick connection and disassembly of the three groups of structures, meeting the needs of on-site operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be derived from these drawings without inventive effort.

[0019] Figure 1 It is a structural diagram of the utility model;

[0020] Figure 2 This is the structural front view of the utility model;

[0021] Figure 3 This is a structural breakdown diagram of the utility model;

[0022] Figure 4 This is a schematic structural diagram of the connecting pipe and the connecting ring in the present invention;

[0023] Figure 5 This is an exploded view of the structure of the connecting component in the present invention.

[0024] The numbers in the figure represent: 1. Cylinder; 11. Gas outlet; 12. Flange; 13. Connecting pipe; 131. Turning groove; 2. Connecting assembly; 21. Gas pipe; 211. Connecting port; 22. Middle pipe; 23. Connecting ring; 231. Sleeve ring; 232. Threaded structure; 3. Pressure pipe side. DETAILED DESCRIPTION

[0025] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0026] The present invention will be further described below with reference to the embodiments.

[0027] Example: Energy meter pressure pipe purge device, refer to the attached Figure 1 -Attached Figure 5 , comprising a cylinder 1 with a gas outlet 11, the outer side of the gas outlet 11 is connected to the connecting pipe 13 through the flange 12, and the outer side of the connecting pipe 13 is connected to the pressure pipe side 3 through the connecting assembly 2. The connecting assembly 2 includes an air pipe 21, a middle pipe 22 and a connecting ring 23. A rotating groove 131 is provided on the outer wall of the connecting pipe 13, and a sleeve ring 231 is fixed on the inner side of one end of the connecting ring 23. The connecting ring 23 is clamped in the rotating groove 131 by the sleeve ring 231 to achieve connection with the connecting pipe 13. A threaded structure 232 is provided on the inner side wall of the other end of the connecting ring 23, and the inner side of the connecting ring 23 is connected and fixed to the middle pipe 22. One end of the middle pipe 22 is connected to the air pipe 21, and the other end of the air pipe 21 is connected to another group of middle pipes 22, the connecting ring 23 and the connecting pipe 13. The connecting pipe 13 on this side is connected to the pressure pipe side 3;

[0028] The diameter of the rotating groove 131 is adapted to the thickness of the sleeve ring 231 .

[0029] A threaded structure 232 is provided on the outer side of the middle tube 22, and the middle tube 22 and the connecting ring 23 are engaged and fixed; a groove body is provided at the top end of the air passage 21, and the groove body is connected and fixed to a connecting port 211 with a threaded structure 232 provided on the inner wall, and a plug is engaged in the connecting port 211; an anti-slip groove is provided on the outer side of the connecting ring 23; a valve structure is provided at the top end of the cylinder 1 to control the opening and closing of the gas outlet 11. Through the provided structure of the steel cylinder 1 and the connecting component 2, the user can connect the gas outlet 11 in the steel cylinder 1 with the pressure-guiding pipe side 3 through the connecting component 2. Specifically, during the connection, the connecting ring 23 is clamped with the rotating groove 131 through the sleeve ring 231. The connecting ring 23 can be rotated in the rotating groove 131 (the outside of the connecting pipe 13), so it can be engaged and fixed with the side of the middle pipe 22 with the threaded structure 232, thereby playing a quick connection function. The air pipe 21 structure with the middle pipe 22 on both sides can be connected with the pressure-guiding pipe side 3 through the connecting pipes 13 on both sides. In this case, the connecting pipe 13-connecting ring 23-middle pipe 22 structure with the rotating groove 131 is adopted, which can achieve the effect of quick connection and disassembly of the three groups of structures, meeting the needs of on-site operations.

[0030] The steel cylinder 1 in this case can adopt the structure of a waste air respirator with the back plate connector removed.

[0031] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the various embodiments of the present invention.

Claims

1. Energy metering instrument pressure pipe purge device, characterized by: The invention comprises a steel cylinder (1) with a gas outlet (11), wherein the outer side of the gas outlet (11) is connected to a connecting pipe (13) through a flange (12), and the outer side of the connecting pipe (13) is connected to a pressure pipe side (3) through a connecting assembly (2), wherein the connecting assembly (2) comprises a gas pipe (21), a middle pipe (22) and a connecting ring (23), wherein a rotating groove (131) is provided on the outer side wall of the connecting pipe (13), a sleeve ring (231) is fixed on the inner side of one end of the connecting ring (23), and the connecting ring (23) is provided with a plurality of connecting rings (23). ) is clamped in the rotating groove (131) by a sleeve ring (231) to achieve connection with the connecting pipe (13), and a threaded structure (232) is provided on the inner wall of the other end of the connecting ring (23). The inner side of the connecting ring (23) is connected and fixed to the middle pipe (22), and one end of the middle pipe (22) is kept in communication with the air pipe (21), and the other end of the air pipe (21) is kept in communication with another group of middle pipes (22), the connecting ring (23) and the connecting pipe (13), and the connecting pipe (13) on this side is kept in communication with the pressure pipe side (3).

2. The energy metering instrument pressure pipe purge device according to claim 1, characterized in that: The groove diameter of the rotating groove (131) is adapted to the thickness of the sleeve ring (231).

3. The energy metering instrument pressure pipe purge device according to claim 1, characterized in that: A threaded structure (232) is provided on the outer side of the middle tube (22), and the middle tube (22) and the connecting ring (23) are engaged and fixed.

4. The energy metering instrument pressure pipe purge device according to claim 1, characterized in that: A groove body is provided at the top end of the air passage pipe (21), and the groove body is fixedly connected to a connecting port (211) provided with a threaded structure (232) on the inner side wall, and a plug is engaged in the connecting port (211).

5. The energy metering instrument pressure pipe purge device according to claim 4, characterized in that: An anti-slip groove is provided on the outer side of the connecting ring (23).

6. The energy metering instrument pressure pipe purge device according to claim 1, characterized in that: The top of the steel cylinder (1) is provided with a valve structure to control the opening and closing of the gas outlet (11).

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