Meter joint structure

Abstract

The utility model discloses a meter connector structure which comprises a gas meter body, two gas interface pipes are fixedly communicated with the top of the gas meter body, butt joints are sleeved on the outer walls of the two gas interface pipes in a threaded mode, inner pipes are fixedly connected with the inner walls of the two butt joints, and the inner pipes are connected with the gas interface pipes in a threaded mode. The outer walls of the two inner pipes are each fixedly sleeved with four metal rings, the outer walls of the two inner pipes are each sleeved with two rubber sealing rings, and the rubber sealing rings are located between the two metal rings. By arranging the butt joint, the inner pipe, the metal ring, the rubber sealing ring, the first gasket, the anti-theft cap, the second gasket and the prismatic hole, the position of the butt joint is prevented from being stolen, and illegal disassembly and theft are avoided; by arranging a connecting pipe, a T-shaped pipe, an L-shaped butt joint pipe, a threaded ring, a conical rubber ring and an inner conical sleeve, the subsequent horizontal installation and orientation of the gas meter body are facilitated, and meanwhile the subsequent gas usage amount can be conveniently checked.

Description

TECHNICAL FIELD

[0001] The utility model relates to natural gas technical field especially relates to a meter joint structure. BACKGROUND

[0002] Natural gas meter as the indispensable part in our daily life, plays the important role of recording natural gas usage. Whether it is the kitchen of the family, or the heat supply of industrial production, natural gas meter silently provides accurate metering service for us behind. Natural gas meter, as its name implies, is used to measure and record the usage of natural gas. It is usually composed of gas inlet, metering chamber, transmission mechanism and counter, etc. The total amount of usage is calculated by sensing the flow of natural gas in the pipeline. The use of natural gas meter not only facilitates users to understand their monthly gas consumption, but also provides the basis for gas companies to charge. In order to ensure the measurement accuracy and stability of natural gas meter, the installation and maintenance of natural gas meter are very important.

[0003] In the prior art, when natural gas meter is used outdoors, the risk of gas leakage and fire can be reduced, but due to outdoor installation, it cannot be patrolled all day long, the gas inlet and outlet pipes of natural gas meter are mainly connected with the butt joint pipe through threaded connection, which is easy to be illegally disassembled and stolen, and the adjustment of gas pipeline route may be limited by existing building structure and space layout, resulting in that the installation of natural gas meter is limited by the position of gas pipeline route. Therefore, we propose a meter joint structure to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the shortcomings in the prior art and proposes a meter joint structure.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A meter joint structure, comprising a gas meter body, the top of the gas meter body is fixed with two gas interface pipes, the outer wall of the two gas interface pipes is threaded with a butt joint, the inner wall of the two butt joints is fixedly connected with an inner pipe, the outer wall of the two inner pipes is fixedly sleeved with four metal rings, the outer wall of the two inner pipes is sleeved with two rubber sealing rings, the rubber sealing ring is located between the two metal rings, the outer wall of the two butt joints is sleeved with a theftproof cap, the outer wall of the theftproof cap is provided with a prismatic hole, the top of the two butt joints is fixedly interconnected with a connecting pipe, the outer wall of the two connecting pipes is provided with a through hole, the inner wall of the two through holes is rotatably connected with a T-shaped pipe, the top of the two T-shaped pipes is fixedly interconnected with an L-shaped butt joint pipe, and the outer wall of the L-shaped butt joint pipe is provided with a sealing mechanism.

[0007] Preferably, the sealing mechanism comprises two threaded rings, the outer walls of the two L-shaped butt joints are fixedly connected with the inner walls of the two threaded rings, the outer walls of the two L-shaped butt joints are fixedly sleeved with conical rubber rings, and the outer walls of the two threaded rings are threadedly sleeved with inner conical sleeves.

[0008] Preferably, the inner tube is located inside the gas interface pipe.

[0009] Preferably, a first gasket is arranged between the inner wall of the butt joint and the top of the gas interface pipe, and the inner wall of the first gasket is slidably connected with the outer wall of the inner tube.

[0010] Preferably, a second gasket is arranged inside the anti-theft cap, the inner wall of the second gasket is slidably connected with the outer wall of the connecting pipe, and the two first gaskets and the two second gaskets increase the sealing performance of the two gas interface pipes and prevent gas leakage.

[0011] Preferably, sliding holes are formed in the tops of the two anti-theft caps, the inner walls of the two sliding holes are slidably connected with the outer walls of the two connecting pipes, and the anti-theft cap is arranged to avoid illegal disassembly of the butt joint.

[0012] Preferably, the inner walls of the two inner conical sleeves are in contact with the outer walls of the two conical rubber rings, and the inner conical sleeves are moved upwards to inwardly extrude the outer walls of the conical rubber rings.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The butt joint, the inner tube, the metal ring, the rubber sealing ring, the first gasket, the anti-theft cap, the second gasket and the prismatic hole are arranged to prevent theft of the butt joint and avoid illegal disassembly and theft.

[0015] The connecting pipe, the T-shaped pipe, the L-shaped butt joint, the threaded ring, the conical rubber ring and the inner conical sleeve are arranged to facilitate subsequent horizontal installation and orientation of the gas meter body and facilitate subsequent checking of the gas usage amount. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the utility model, the following will be a brief description of the drawings needed to be used in the specific implementation manner, obviously, the following description of the drawings is only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, other drawings can also be obtained according to these drawings.

[0017] Figure 1 It is a three-dimensional structure schematic view of the utility model of a meter joint structure;

[0018] Figure 2A sectional structure schematic view of the meter joint structure is provided in the utility model.

[0019] Figure 3 A partial sectional three-dimensional structure schematic view of the meter joint structure is provided in the utility model.

[0020] Figure 4 A sectional structure schematic view of the meter joint structure is provided in the utility model. Figure 2 An enlarged structure schematic view of part A in the utility model.

[0021] In the figure: 1, gas meter body; 2, gas interface pipe; 3, butt joint; 4, inner pipe; 5, metal ring; 6, rubber sealing ring; 7, first gasket; 8, anti-theft cap; 9, second gasket; 10, prismatic hole; 11, connecting pipe; 12, T-shaped pipe; 13, L-shaped butt joint pipe; 14, threaded ring; 15, conical rubber ring; 16, inner conical sleeve. DETAILED DESCRIPTION

[0022] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] As shown in Figures 1-4 , a meter joint structure is related, which comprises a gas meter body 1, two gas interface pipes 2 are fixed on the top of the gas meter body 1, the two gas interface pipes 2 are used for gas inlet and outlet, the outer walls of the two gas interface pipes 2 are provided with butt joints 3, the lower outer wall of the butt joint 3 is provided with a plurality of end faces, which are used for wrench rotation, the inner walls of the two butt joints 3 are fixedly connected with inner pipes 4, the butt joint 3 is screwed into the outer wall of the gas interface pipe 2, and the inner pipe 4 is located in the inner part of the gas interface pipe 2, so that the sealing property is improved, and the inner pipe 4 can increase the connection strength when the butt joint 3 is collided.

[0024] The inner pipe 4 is located in the inner part of the gas interface pipe 2, the outer walls of the two inner pipes 4 are fixedly provided with four metal rings 5, the outer walls of the two inner pipes 4 are provided with two rubber sealing rings 6, the rubber sealing ring 6 is located between the two metal rings 5, and the two metal rings 5 limit the rubber sealing ring 6.

[0025] A first gasket 7 is arranged between the inner wall of the adapter 3 and the top of the gas interface pipe 2, the inner wall of the first gasket 7 is in sliding connection with the outer wall of the inner pipe 4, the first gasket 7 increases the sealing between the inner pipe 4 and the adapter 3, the outer wall of the two adapters 3 is sleeved with a theft-proof cap 8, the outer wall of the theft-proof cap 8 is provided with a prismatic hole 10, the inner wall of the prismatic hole 10 is in sliding connection with a matched prismatic column, which is used as a key, and the two are formed in a detachable design.

[0026] The top of the two adapters 3 is fixed with a connecting pipe 11, the top of the two theft-proof caps 8 is provided with a sliding hole, the inner wall of the two sliding holes is in sliding connection with the outer wall of the two connecting pipes 11, the inside of the theft-proof cap 8 is arranged with a second gasket 9, the inner wall of the second gasket 9 is in sliding connection with the outer wall of the connecting pipe 11, and the second gasket 9 increases the sealing between the theft-proof cap 8 and the connecting pipe 11.

[0027] The outer wall of the two connecting pipes 11 is provided with a through hole, the inner wall of the two through holes is rotatably connected with a T-shaped pipe 12, the top of the two T-shaped pipes 12 is fixed with an L-shaped adapter pipe 13, and an existing sealing ring can be additionally arranged between the top of the two T-shaped pipes 12 and the inner wall of the two connecting pipes 11.

[0028] The outer wall of the L-shaped adapter pipe 13 is provided with a sealing mechanism, the sealing mechanism comprises two threaded rings 14, the outer wall of the two L-shaped adapter pipes 13 is fixedly connected with the inner wall of the two threaded rings 14, the outer wall of the two L-shaped adapter pipes 13 is fixedly sleeved with a conical rubber ring 15, the conical rubber ring 15 is bent outward to seal the connection between the connecting pipe 11 and the L-shaped adapter pipe 13, the outer wall of the two threaded rings 14 is threadedly sleeved with an inner taper sleeve 16, the inner taper sleeve 16 is fixed in position through the threaded ring 14, and the inner wall of the two inner taper sleeves 16 is in contact with the outer wall of the two conical rubber rings 15.

[0029] Working principle: in use, through the two L-shaped pipe 13 inner wall thread port thread butt joint to the existing gas pipeline, and two L-shaped pipe 13 through two T-shaped pipe 12 horizontal rotation connection, can be convenient for different horizontal orientation position, rotate two inner cone sleeve 16 make it through two threaded ring 14 upward movement, the inner wall of inner cone sleeve 16 and the outer wall of tapered rubber ring 15 extrusion, through the inward extrusion force, the inner wall of tapered rubber ring 15 between the connecting pipe 11 and L-shaped pipe 13 sealing treatment, then the gas meter body 1 two gas interface pipe 2 respectively with two butt joint 3 are connected by screw thread, and make two inner tube 4 respectively slide into two gas interface pipe 2 inside, through two rubber sealing ring 6 increase the sealing, at the same time the prismatic hole 10 is matched with the prismatic column inserted into the prismatic hole 10, as a key to rotate the anti-theft cap 8 drive its screw into the outer wall of butt joint 3, cover its end face, prevent someone to rotate butt joint 3, two first gasket 7 and two second gasket 9 increase the sealing of two gas interface pipe 2, prevent gas leakage.

[0030] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here, and the components known by the person skilled in the art have the structure and principle known by the person skilled in the art through technical manual or through conventional experimental method.

[0031] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A meter connector structure, comprising a gas meter body (1), characterized in that, The top of the gas meter body (1) has two gas interface pipes (2) fixedly connected to each other. The outer walls of the two gas interface pipes (2) are threaded with connectors (3). The inner walls of the two connectors (3) are fixedly connected with inner tubes (4). The outer walls of the two inner tubes (4) are fixedly fitted with four metal rings (5). The outer walls of the two inner tubes (4) are fitted with two rubber sealing rings (6). The rubber sealing rings (6) are located between the two metal rings (5). The outer walls of the two connectors (3) are fitted with anti-theft caps (8). The outer walls of the anti-theft caps (8) have prismatic holes (10). The tops of the two connectors (3) are fixedly connected with connecting pipes (11). The outer walls of the two connecting pipes (11) have through holes. The inner walls of the two through holes are rotatably connected with T-shaped pipes (12). The tops of the two T-shaped pipes (12) are fixedly connected with L-shaped connecting pipes (13). The outer walls of the L-shaped connecting pipes (13) are equipped with sealing mechanisms.

2. The meter connector structure according to claim 1, characterized in that, The sealing mechanism includes two threaded rings (14), the outer walls of two L-shaped connecting pipes (13) are fixedly connected to the inner walls of the two threaded rings (14), the outer walls of the two L-shaped connecting pipes (13) are fixedly fitted with conical rubber rings (15), and the outer walls of the two threaded rings (14) are threadedly fitted with inner conical sleeves (16).

3. The meter connector structure according to claim 1, characterized in that, The inner tube (4) is located inside the gas interface tube (2).

4. The meter connector structure according to claim 1, characterized in that, A first washer (7) is placed between the inner wall of the connector (3) and the top of the gas interface pipe (2), and the inner wall of the first washer (7) is slidably connected to the outer wall of the inner pipe (4).

5. The meter connector structure according to claim 1, characterized in that, The anti-theft cap (8) has a second washer (9) inside, and the inner wall of the second washer (9) is slidably connected to the outer wall of the connecting pipe (11).

6. The meter connector structure according to claim 1, characterized in that, The top of each of the two anti-theft caps (8) is provided with a sliding hole, and the inner wall of the two sliding holes is slidably connected to the outer wall of the two connecting pipes (11).

7. The meter connector structure according to claim 2, characterized in that, The inner walls of the two inner conical sleeves (16) are in contact with the outer walls of the two conical rubber rings (15).

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