CN219776801U

CN219776801U - Flowmeter for natural gas

Info

Publication number: CN219776801U
Application number: CN202321094018.3U
Authority: CN
Inventors: 李容琴; 瞿为东
Original assignee: Jianhu Pressure Valve Ltd Responsibility Co
Current assignee: Jianhu Pressure Valve Ltd Responsibility Co
Priority date: 2023-05-09
Filing date: 2023-05-09
Publication date: 2023-09-29
Anticipated expiration: 2033-05-09

Abstract

The utility model relates to a flowmeter for natural gas, which comprises a meter body, wherein an air inlet pipe and an air outlet pipe are arranged at the top of the meter body, a first connecting pipe and a second connecting pipe are respectively arranged above the air inlet pipe and the air outlet pipe, a first sealing mechanism is arranged between the air inlet pipe and the first connecting pipe, a second sealing mechanism is arranged between the air outlet pipe and the second connecting pipe, a mounting device is arranged on the meter body, the mounting device comprises a first mounting frame and a second mounting frame, and regulating mechanisms are respectively arranged on the first mounting frame and the second mounting frame.

Description

Flowmeter for natural gas

Technical Field

The utility model relates to the technical field of flowmeters, in particular to a flowmeter for natural gas.

Background

At present, most kitchens are filled with natural gas, so that the natural gas stove is convenient to use; some factory enterprises can also adopt natural gas as fuel, the natural gas is generally provided by a gas company, a flowmeter is required to be installed on a natural gas pipeline, the natural gas company can calculate the use amount of the natural gas conveniently, and then the natural gas company can charge and charge for using the natural gas. An air inlet pipe and an air outlet pipe are generally arranged on an existing natural gas flowmeter, the air inlet pipe and the air outlet pipe are connected with an external pipeline, and after gas in the natural gas pipeline enters the natural gas flowmeter for metering, the gas is discharged through the air outlet pipe and is supplied to equipment for use. When leakage occurs at the air inlet pipe and the air outlet pipe, explosion is extremely easy to occur at the moment, so that the sealing effect between the air inlet pipe and the air outlet pipe needs to be improved, the existing sealing assembly is generally sealed only through a rubber gasket, the sealing structure is single, and when the rubber gasket fails, the sealing effect is poor at the moment, and the leakage is easy to occur; in addition, in order to improve the stability of flowmeter, also in order to guarantee the stability of pipeline junction, install flowmeter at wall or subaerial through the support generally, support and stabilize the flowmeter through the support, but the distance between flowmeter and the wall needs to be adjusted according to actual conditions, and current support is difficult for adjusting the distance.

Disclosure of Invention

(one) solving the technical problems

Aiming at the problems in the prior art, the utility model provides a flowmeter for natural gas, which aims to solve the technical problems in the background art.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a flowmeter for natural gas, includes the instrument body, the top of instrument body is equipped with intake pipe and outlet duct, and the top of intake pipe and outlet duct is equipped with first connecting pipe and second connecting pipe respectively, is equipped with first sealing mechanism between intake pipe and the first connecting pipe, is equipped with second sealing mechanism between outlet duct and the second connecting pipe, be equipped with installation device on the instrument body, installation device includes first mounting bracket and second mounting bracket, all is equipped with adjustment mechanism on first mounting bracket and the second mounting bracket, and the both ends of first mounting bracket are laminated with the both sides of instrument body respectively, and first mounting bracket overcoat is equipped with first connecting piece, and first connecting piece and instrument body pass through bolt detachably and connect, and the lower surface laminating of second mounting bracket and instrument body, and second mounting bracket overcoat is equipped with the second connection piece, and second connection piece and instrument body pass through bolt detachably and connect.

Preferably, the first sealing mechanism comprises a first sealing tube, a first limiting plate and a rubber ring, the first limiting plate is fixedly sleeved on the middle section of the first sealing tube, annular grooves are formed in the positions, close to two ends, of the first sealing tube, two rubber rings are arranged and respectively sleeved in the two annular grooves, a V-shaped groove is formed in one side, far away from the limiting plate, of the rubber ring, the second sealing mechanism is identical to the first sealing mechanism in structure, two ends of the first sealing tube in the first sealing mechanism are respectively inserted into the air inlet tube and the first connecting tube, two ends of the first sealing tube in the second sealing mechanism are respectively inserted into the air outlet tube and the second connecting tube, and sealing strength between the air inlet tube and the first connecting tube is conveniently improved, and sealing strength between the air outlet tube and the second connecting tube is improved.

In a further preferred embodiment, the adjusting mechanism includes a fixing rod, an adjusting screw, a moving sleeve and an adjusting nut, one end of the adjusting screw is fixedly connected with the fixing rod, the other end of the adjusting screw penetrates through the adjusting nut and is slidably arranged in the moving sleeve, the adjusting nut is rotationally connected with the moving sleeve, and the adjusting nut is sleeved outside the adjusting screw in a threaded manner, so that the position of the moving sleeve can be adjusted according to actual conditions.

In a further preferred embodiment, the first connecting pipe and the second connecting pipe are all rotated and sleeved with a connecting nut in a sliding manner, the connecting nut is sleeved with threads outside the air inlet pipe and the air outlet pipe, the first connecting pipe and the second connecting pipe are both provided with a second limiting plate, the connecting nut is provided with a third limiting plate matched with the second limiting plate, the first connecting pipe and the air inlet pipe are convenient to connect, and the second connecting pipe and the air outlet pipe are convenient to connect.

In a further preferred embodiment, the air inlet pipe and the air outlet pipe are provided with limiting grooves matched with the first limiting plate, and a sealing gasket is arranged between the first limiting plate and the second limiting plate, so that the sealing effect is further improved.

In a further preferred embodiment, the adjusting screw is provided with a first limiting surface outside, and the moving sleeve is provided with a second limiting surface matched with the first limiting surface, so that the moving sleeve is conveniently guided.

In a further preferred embodiment, a third connecting piece is provided at an end of the moving sleeve remote from the adjusting screw, which is convenient to be connected with the wall surface or the ground through bolts.

In a further preferred embodiment, the adjusting mechanism on the first mounting frame is symmetrically provided with two groups, the fixing rod is fixedly connected with the first mounting frame, the adjusting mechanism on the second mounting frame is symmetrically provided with two groups, and the fixing rod is fixedly connected with the second mounting frame, so that stability of the instrument body is improved.

(III) beneficial effects

Compared with the prior art, the utility model provides the flowmeter for the natural gas, which has the following beneficial effects:

1. the sealing mechanism is arranged in the utility model, double sealing is carried out between the air inlet pipe and the first connecting pipe and between the air outlet pipe and the second connecting pipe through the rubber ring and the sealing gasket, so that natural gas is prevented from overflowing, the V-shaped groove is arranged on the rubber ring, when the V-shaped groove is extruded by natural gas, the V-shaped groove can deform to two sides at the moment, and the pipe wall is attached, so that the sealing effect is further improved;

2. the mounting device is arranged in the utility model, so that the instrument body can be conveniently connected with the wall surface or the ground, and when in connection, the distance between the third connecting sheet and the instrument body can be conveniently adjusted according to actual conditions, so that the third connecting sheet is attached to the wall surface or the ground, and the supporting and the mounting of the instrument body are completed;

3. according to the utility model, the first limiting surface is arranged outside the adjusting screw, and the second limiting surface matched with the first limiting surface is arranged in the movable sleeve, so that normal use of threads is not affected, and the movable sleeve is convenient to guide.

Drawings

FIG. 1 is a schematic view of the overall structure of a natural gas flow meter according to the present utility model;

FIG. 2 is a schematic view of the overall structure of another angle of the present utility model;

FIG. 3 is a schematic view showing the unconnected state of the meter body, the first connecting pipe and the second connecting pipe;

FIG. 4 is a schematic view showing an unconnected state of a first sealing tube and a rubber ring in the present utility model;

fig. 5 is a schematic view of an exploded structure of the adjusting device of the present utility model.

In the figure: 1. an instrument body; 2. an air inlet pipe; 3. an air outlet pipe; 4. a first connection pipe; 5. a second connection pipe; 6. a first mounting frame; 7. a second mounting frame; 8. a first connecting piece; 9. a second connecting piece; 10. a first sealing tube; 11. a first limiting plate; 12. a rubber ring; 13. an annular groove; 14. a V-shaped groove; 15. a fixed rod; 16. adjusting a screw; 17. moving the sleeve; 18. an adjusting nut; 19. a coupling nut; 20. a second limiting plate; 21. a third limiting plate; 22. a limit groove; 23. a sealing gasket; 24. a first limiting surface; 25. the second limiting surface; 26. and a third connecting piece.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

referring to fig. 1-5, a flowmeter for natural gas comprises a meter body 1, the top of the meter body 1 is provided with an air inlet pipe 2 and an air outlet pipe 3, a first connecting pipe 4 and a second connecting pipe 5 are respectively arranged above the air inlet pipe 2 and the air outlet pipe 3, a first sealing mechanism is arranged between the air inlet pipe 2 and the first connecting pipe 4, a second sealing mechanism is arranged between the air outlet pipe 3 and the second connecting pipe 5, a mounting device is arranged on the meter body 1 and comprises a first mounting frame 6 and a second mounting frame 7, regulating mechanisms are respectively arranged on the first mounting frame 6 and the second mounting frame 7, two ends of the first mounting frame 6 are respectively attached to two sides of the meter body 1, a first connecting piece 8 is sleeved outside the first mounting frame 6, the first connecting piece 8 is detachably connected with the meter body 1 through bolts, the second mounting frame 7 is attached to the lower surface of the meter body 1, a second connecting piece 9 is sleeved outside the second mounting frame 7, and the second connecting piece 9 is detachably connected with the meter body 1 through bolts.

Referring to fig. 1-5, the first sealing mechanism includes a first sealing tube 10, a first limiting plate 11 and a rubber ring 12, the first limiting plate 11 is fixedly sleeved on the middle section of the first sealing tube 10, annular grooves 13 are formed in positions, close to two ends, of the first sealing tube 10, two rubber rings 12 are respectively sleeved in the two annular grooves 13, a V-shaped groove 14 is formed in one side, far away from the limiting plate, of the rubber ring 12, the second sealing mechanism and the first sealing mechanism are identical in structure, two ends of the first sealing tube 10 in the first sealing mechanism are respectively inserted into the air inlet tube 2 and the first connecting tube 4, and two ends of the first sealing tube 10 in the second sealing mechanism are respectively inserted into the air outlet tube 3 and the second connecting tube 5. The first connecting pipe 4 and the second connecting pipe 5 are both rotationally sleeved with a connecting nut 19 in a sliding manner, the connecting nut 19 is sleeved with threads outside the air inlet pipe 2 and the air outlet pipe 3, the first connecting pipe 4 and the second connecting pipe 5 are both provided with a second limiting plate 20, and the connecting nut 19 is provided with a third limiting plate 21 matched with the second limiting plate 20. The air inlet pipe 2 and the air outlet pipe 3 are respectively provided with a limit groove 22 matched with the first limit plate 11, and a sealing gasket 23 is arranged between the first limit plate 11 and the second limit plate 20. When the sealing device is used, two rubber rings 12 are respectively sleeved in annular grooves 13 at two ends of a first sealing tube 10, one side, provided with a V-shaped groove 14, of each rubber ring 12 faces away from a first limiting plate 11, the first sealing tube 10 is inserted into an air inlet tube 2, the first limiting plates 11 are located in limiting grooves 22 of the air inlet tube 2, rubber pads are placed above the first limiting plates 11, according to the operation, the other first sealing tube 10 is matched with an air outlet tube 3, the first connecting tube 4 and the second connecting tube 5 are welded and fixed with an external natural gas pipeline, the instrument body 1 moves upwards, the two first sealing tubes 10 are respectively inserted into the first connecting tube 4 and the second connecting tube 5, a connecting nut 19 is rotated to move downwards, the threaded sleeves are arranged outside the air inlet tube 2 and the air outlet tube 3 until the second limiting plates 20 and the third limiting plates 21 on the connecting nut 19 are attached, at the moment, the sealing pads are respectively attached to the third limiting plates 21 and the first limiting plates 11, double sealing is achieved through the rubber rings 12 and sealing gaskets 23, and when natural gas escapes from the first connecting tube 10 and the first connecting tube 4 and the two sealing tubes 4, the two sealing tubes are prevented from being attached to the two sides of the V-shaped sealing tube 4, and the sealing effect of the sealing tube is improved, and the sealing effect of the sealing device is improved when the sealing device is formed by extruding the two sealing tubes between the two sealing tubes 4 and the sealing device.

Referring to fig. 1-5, the adjusting mechanism includes a fixed rod 15, an adjusting screw 16, a moving sleeve 17 and an adjusting nut 18, one end of the adjusting screw 16 is fixedly connected with the fixed rod 15, the other end of the adjusting screw 16 penetrates through the adjusting nut 18 and is slidably arranged in the moving sleeve 17, the adjusting nut 18 is rotatably connected with the moving sleeve 17, and the adjusting nut 18 is sleeved outside the adjusting screw 16 in a threaded manner. The adjusting screw 16 is provided with a first limiting surface 24, and the movable sleeve 17 is provided with a second limiting surface 25 matched with the first limiting surface 24. The end of the shifting sleeve 17 remote from the adjusting screw 16 is provided with a third connecting piece 26. The adjustment mechanism symmetry on the first mounting bracket 6 is provided with two sets of, and dead lever 15 and first mounting bracket 6 fixed connection, and the adjustment mechanism symmetry on the second mounting bracket 7 is provided with two sets of, and dead lever 15 and second mounting bracket 7 fixed connection. When the instrument is used, the first mounting frame 6 is mounted on the instrument body 1 through the first connecting sheet 8, the adjusting nut 18 is rotated, the movable sleeve 17 is driven to be far away from the fixed rod 15, the movable sleeve is made to be close to the wall surface until the third connecting sheet 26 is attached to the wall surface, at the moment, the third connecting sheet 26 is fixedly connected with the wall surface through bolts, the instrument body 1 and the wall surface are connected and fixed, the second mounting frame 7 is horizontally arranged on the lower surface of the instrument body 1, the third connecting sheet 26 connected with the wall surface on the second mounting frame 7 is attached to and fixed, or the second mounting frame 7 is vertically placed on the lower surface of the instrument body 1, the third connecting sheet 26 is close to the ground according to the operation, the third connecting sheet 26 is fixedly connected with the ground, and the connection between the instrument body 1 and the ground is completed.

Example 2:

in sum, when in use, the two rubber rings 12 are respectively sleeved in the annular grooves 13 at the two ends of the first sealing tube 10, one side of the rubber ring 12, which is provided with the V-shaped groove 14, faces away from the first limiting plate 11, the first sealing tube 10 is inserted into the air inlet tube 2, the first limiting plate 11 is positioned in the limiting groove 22 of the air inlet tube 2, a rubber pad is placed above the first limiting plate 11, the other first sealing tube 10 is matched with the air outlet tube 3 according to the operation, the first connecting tube 4 and the second connecting tube 5 are welded and fixed with an external natural gas pipeline, the instrument body 1 moves upwards, the two first sealing tubes 10 are respectively inserted into the first connecting tube 4 and the second connecting tube 5, the connecting nut 19 is rotated to move downwards, the threaded sleeves are arranged outside the air inlet tube 2 and the air outlet tube 3 until the second limiting plate 20 and the third limiting plate 21 on the connecting nut 19 are jointed, at the moment, the sealing pad is respectively jointed with the third limiting plate 21 and the first limiting plate 11, double sealing is realized through the rubber ring 12 and the sealing gasket 23, when the two sealing tubes are extruded from the first connecting tube 10 and the two sealing tubes 4 are extruded, and the two sealing tubes are respectively, and the two sealing rings are prevented from being extruded from the two sides of the V-shaped sealing tube 4 and the two sealing tubes are respectively from being extruded by the two sealing rings 4 and the two sealing rings.

Example 3:

to sum up, when using, install first mounting bracket 6 on instrument body 1 through first connecting piece 8, rotate adjusting nut 18, and then drive movable sleeve 17 and keep away from dead lever 15, make it be close to the wall, until third connection piece 26 and wall laminating, at this moment, pass through bolted connection with third connection piece 26 and wall and fix, accomplish the connection between instrument body 1 and the wall and fix, place second mounting bracket 7 horizontal at the lower surface of instrument body 1, according to the above-mentioned mode, laminate and fix the third connection piece 26 and the wall that connect on the second mounting bracket 7, or put second mounting bracket 7 vertically at the lower surface of instrument body 1, according to the above-mentioned operation, be close to the ground with third connection piece 26, and connect fixed with third connection piece 26 and ground, accomplish the connection between instrument body 1 and the ground and fix.

In all the above mentioned solutions, in which the connection between two components can be chosen according to the actual situation, a welded, bolt-and-nut-fitted connection, a bolt-or-screw connection or other known connection means, which are not described in detail herein, where reference is made to a written fixed connection, the preferred consideration is welding, although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that numerous variations, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A flowmeter for natural gas, characterized in that: including instrument body (1), the top of instrument body (1) is equipped with intake pipe (2) and outlet duct (3), and the top of intake pipe (2) and outlet duct (3) is equipped with first connecting pipe (4) and second connecting pipe (5) respectively, is equipped with first sealing mechanism between intake pipe (2) and first connecting pipe (4), is equipped with second sealing mechanism between outlet duct (3) and second connecting pipe (5), be equipped with installation device on instrument body (1), installation device includes first mounting bracket (6) and second mounting bracket (7), all is equipped with adjustment mechanism on first mounting bracket (6) and second mounting bracket (7), and the both ends of first mounting bracket (6) are laminated with the both sides of instrument body (1) respectively, and first mounting bracket (6) overcoat is equipped with first connecting piece (8), and first connecting piece (8) are connected through bolt detachably with instrument body (1), and second mounting bracket (7) overcoat are equipped with second connecting piece (9) through bolt detachably laminating with instrument body (1).

2. A flow meter for natural gas as defined in claim 1, wherein: the utility model provides a sealing device for the air conditioner, including first sealing mechanism, first sealing mechanism includes first sealed tube (10), first limiting plate (11) and rubber circle (12), the middle section at first sealed tube (10) is established to fixed cover of first limiting plate (11), and annular groove (13) have all been seted up near both ends department in first sealed tube (10), and rubber circle (12) are provided with two, and the cover is established in two respectively in annular groove (13), and V type groove (14) have been seted up to one side of keeping away from the limiting plate on rubber circle (12), second sealing mechanism with first sealing mechanism's structure is the same, in intake pipe (2) and first connecting pipe (4) are inserted respectively at first sealed tube (10) both ends in the second sealing mechanism, in outlet duct (3) and second connecting pipe (5) are inserted respectively at first sealed tube (10) both ends in the second sealing mechanism.

3. A flow meter for natural gas as defined in claim 1, wherein: the adjusting mechanism comprises a fixed rod (15), an adjusting screw (16), a moving sleeve (17) and an adjusting nut (18), one end of the adjusting screw (16) is fixedly connected with the fixed rod (15), the other end of the adjusting screw penetrates through the adjusting nut (18) and is arranged in the moving sleeve (17) in a sliding mode, the adjusting nut (18) is rotationally connected with the moving sleeve (17), and the adjusting nut (18) is sleeved outside the adjusting screw (16) in a threaded mode.

4. A flow meter for natural gas as defined in claim 2, wherein: the connecting device is characterized in that the first connecting pipe (4) and the second connecting pipe (5) are externally and slidingly sleeved with a connecting nut (19), the connecting nut (19) is externally sleeved with a thread sleeve on the air inlet pipe (2) and the air outlet pipe (3), the first connecting pipe (4) and the second connecting pipe (5) are respectively provided with a second limiting plate (20), and the connecting nut (19) is provided with a third limiting plate (21) matched with the second limiting plate (20).

5. A natural gas flow meter as defined in claim 4, wherein: the air inlet pipe (2) and the air outlet pipe (3) are respectively provided with a limiting groove (22) matched with the first limiting plate (11), and a sealing gasket (23) is arranged between the first limiting plate (11) and the second limiting plate (20).

6. A flowmeter for natural gas as set forth in claim 3, wherein: the adjusting screw (16) is provided with a first limiting surface (24) outside, and a second limiting surface (25) matched with the first limiting surface (24) is arranged in the moving sleeve (17).

7. A flowmeter for natural gas as set forth in claim 3, wherein: and a third connecting sheet (26) is arranged at one end of the movable sleeve (17) far away from the adjusting screw (16).

8. A flowmeter for natural gas as set forth in claim 3, wherein: the adjusting mechanism on the first mounting frame (6) is symmetrically provided with two groups, the fixing rod (15) is fixedly connected with the first mounting frame (6), the adjusting mechanism on the second mounting frame (7) is symmetrically provided with two groups, and the fixing rod (15) is fixedly connected with the second mounting frame (7).