Electromagnetic flowmeter connecting structure

Abstract

The utility model provides an electromagnetic flowmeter connecting structure which comprises a communicating seat, a first butt joint, butt joint seats, a sealing cavity, a rotating seat, a first thread, an adapter, a second thread and a conveying pipeline, the butt joint seats are arranged at the left end and the right end of the communicating seat, the first butt joint is arranged in the butt joint seats, and the sealing cavity is arranged between the first butt joint and the butt joint seats. A rotating seat is rotatably arranged on the outer side face of the butt joint seat, a first thread is arranged on the inner wall of the rotating seat, a conversion head is arranged on the outer side of the butt joint seat, a second thread is arranged on the annular side face of the conversion head, and a conveying pipeline is arranged on the opposite outer side of the conversion head. The connecting flange is reasonable in structure, the corresponding adapter is arranged at the connecting flange of a traditional connecting pipeline, the connecting flange is fixedly connected with the adapter through the rotating seat and the butt joint seat, and the connecting flange is easy and convenient to mount and dismount and high in practicability.

Description

Technical Field

[0001] The utility model discloses an electromagnetic flowmeter connection structure, belonging to the technical field of electromagnetic flowmeters. Background Art

[0002] The electromagnetic flowmeter is a velocity meter based on Faraday's law of electromagnetic induction. It generates an electromotive force by cutting magnetic lines of force through a conductive fluid, compares it with the reference potential of the measured liquid, and ultimately converts the induced potential signal into flow velocity and finally into volume flow.

[0003] Chinese patent number CN220206774U proposes an electromagnetic flowmeter pipe connection structure, which can protect the pipe connection of the electromagnetic flowmeter in a protective cover after the electromagnetic flowmeter is installed, thereby reducing the influence of the outside world and avoiding rust. However, this design and the connection method of most existing electromagnetic flowmeters are fixedly connected by flanges and bolts and nuts. This connection method is inconvenient and difficult to disassemble, maintain or repair the electromagnetic flowmeter at a later time. Now, an electromagnetic flowmeter connection structure is urgently needed to solve the above problems. Summary of the invention

[0004] In view of the shortcomings of the prior art, the purpose of the utility model is to provide an electromagnetic flowmeter connection structure to solve the problems raised in the above-mentioned background technology. The utility model has a reasonable structure, and is equipped with a corresponding conversion head at the connection flange of the traditional transportation pipeline, and is fixedly connected to the conversion head through a rotating seat and a docking seat. The installation and disassembly are simple and convenient, and the practicability is strong.

[0005] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions: an electromagnetic flowmeter connection structure, including a connecting seat, a first pair of joints, a docking seat, a sealed cavity, a rotating seat, a first thread, a conversion head, a second thread and a transport pipeline, the connecting seat is provided with docking seats at both ends, the docking seat is provided with a first pair of joints inside, a sealed cavity is provided between the first pair of joints and the docking seat, a rotating seat is rotatably provided on the outer side of the docking seat, a first thread is provided on the inner wall of the rotating seat, a conversion head is provided on the outer side of the docking seat, a second thread is provided on the annular side of the conversion head, and a transport pipeline is provided on the outer side of the conversion head.

[0006] Furthermore, a second pair of joints is provided at one end of the conversion head relatively close to the docking seat, the outer diameter of the second pair of joints is equal to the inner diameter of the docking seat, the inner diameter of the second pair of joints is equal to the outer diameter of the first pair of joints, and the second pair of joints is engaged with the sealing cavity.

[0007] Furthermore, a third pair of joints is provided at one end of the conversion head relatively far away from the docking seat, and the outer diameter of the third pair of joints is equal to the inner diameter of the transport pipeline.

[0008] Furthermore, a docking flange is arranged on the outer side of the third pair of joints, a connecting flange is welded on the outer side of the transport pipeline, and the docking flange and the connecting flange match each other.

[0009] Furthermore, a sealing ring is bonded to a side of the conversion head relatively close to the docking seat, a sealing gasket is bonded to the inside of the sealing cavity, and both the sealing gasket and the sealing ring are made of wear-resistant rubber.

[0010] Furthermore, a limiting block is arranged on the inner wall of the rotating seat, and a limiting groove is provided on the outer side surface of the docking seat, and the limiting block slides tightly along the inner wall of the limiting groove.

[0011] Furthermore, the outer surface of the rotating seat is provided with anti-slip grooves, and the outer side surface of the rotating seat is turned over to be provided with a labor-saving handle, and the first thread and the second thread are meshed with each other.

[0012] Furthermore, an electromagnetic flowmeter body is installed at the upper end of the connecting seat, and an electromagnetic flowmeter probe is installed inside the connecting seat.

[0013] Beneficial effects of the utility model: an electromagnetic flowmeter connection structure of the utility model, because the utility model adds a conversion head, a docking seat, a rotating seat and a first pair of joints, the conversion is performed by arranging a matching conversion head at the existing transport pipeline and the connecting flange, and the docking seat and the rotating seat cooperate with each other to fix the first pair of joints with the second pair of joints. This connection method is easy to operate, simple and quick to install, and has strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0015] Figure 1 This is a structural schematic diagram of a connection structure of an electromagnetic flowmeter of the utility model;

[0016] Figure 2 This is a schematic diagram of the disassembled structure of an electromagnetic flowmeter connection structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the disassembled structure of a conversion head and a rotating seat in a connection structure of an electromagnetic flowmeter of the utility model;

[0018] Figure 4 It is a cross-sectional structural schematic diagram of a connecting seat in a connecting structure of an electromagnetic flowmeter of the utility model;

[0019] Figure 5 The utility model is a structural schematic diagram of a rotating seat in an electromagnetic flowmeter connection structure.

[0020] In the figure: 1-connecting seat, 11-electromagnetic flowmeter body, 12-electromagnetic flowmeter probe, 2-first pair of joints, 3-docking seat, 31-limiting groove, 4-sealing chamber, 41-sealing pad, 5-rotating seat, 51-anti-slip pattern, 52-labor-saving handle, 53-limiting block, 6-first thread, 7-conversion head, 71-second pair of joints, 72-third pair of joints, 73-docking flange, 74-sealing ring, 8-second thread, 9-transport pipeline, 91-connecting flange. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] See also Figure 1-Figure 5 The utility model provides a technical solution: an electromagnetic flowmeter connection structure, including a connecting seat 1, a first pair of joints 2, a docking seat 3, a sealing cavity 4, a rotating seat 5, a first thread 6, a conversion head 7, a second thread 8 and a transport pipe 9, the connecting seat 1 is provided with docking seats 3 at both ends, the first pair of joints 2 are provided inside the docking seat 3, a sealing cavity 4 is provided between the first pair of joints 2 and the docking seat 3, a rotating seat 5 is rotatably provided on the outer side of the docking seat 3, a first thread 6 is provided on the inner wall of the rotating seat 5, a conversion head 7 is provided on the outer side of the docking seat 3, a second thread 8 is provided on the annular side of the conversion head 7, and a transport pipe 9 is provided on the outer side of the conversion head 7. This design solves the problem that the installation and disassembly of the original electromagnetic flowmeter connection structure is not simple and convenient enough.

[0023] As the first embodiment of the present utility model: a second pair of joints 71 is arranged at one end of the conversion head 7 relatively close to the docking seat 3, the outer diameter of the second pair of joints 71 is equal to the inner diameter of the docking seat 3, the inner diameter of the second pair of joints 71 is equal to the outer diameter of the first pair of joints 2, the second pair of joints 71 and the sealing cavity 4 are mutually engaged, the second pair of joints 71 can be tightly inserted into the outside of the first pair of joints 2 and the inside of the docking seat 3, thereby avoiding leakage at the connection and enhancing the sealing performance of the equipment; a third pair of joints 72 is arranged at one end of the conversion head 7 relatively far away from the docking seat 3, the outer diameter of the third pair of joints 72 is equal to the inner diameter of the transport pipeline 9, the third pair of joints 72 can enhance the sealing performance of the connection between the conversion head 7 and the transport pipeline 9, a docking flange 73 is arranged on the outside of the third pair of joints 72, a connecting flange 91 is welded on the outer side of the transport pipeline 9, the docking flange 73 and the connecting flange 91 match each other, the docking flange 73 is convenient for installation and docking with the existing transport pipeline 9 and the connecting flange 91, and the conversion head 7 is relatively close to A sealing ring 74 is bonded to one side of the docking seat 3, and a sealing gasket 41 is bonded inside the sealing cavity 4. The sealing gasket 41 and the sealing ring 74 are both made of wear-resistant rubber. The sealing ring 74 and the sealing gasket 41 can further enhance the sealing performance. A limiting block 53 is arranged on the inner wall of the rotating seat 5, and a limiting groove 31 is arranged on the outer side of the docking seat 3. The limiting block 53 slides tightly along the inner wall of the limiting groove 31. The limiting groove 31 and the limiting block 53 allow the rotating seat 5 to rotate freely along the surface of the docking seat 3. An anti-slip pattern 51 is arranged on the outer surface of the rotating seat 5. A labor-saving handle 52 is arranged on the outer side of the rotating seat 5. The labor-saving handle 52 and the anti-slip pattern 51 are convenient for users to rotate the rotating seat 5. The first thread 6 is meshed with the second thread 8. The first thread 6 and the human thread allow the docking seat 3 and the conversion head 7 to be relatively close to or far away from each other. An electromagnetic flowmeter body 11 is installed on the upper end of the connecting seat 1, and an electromagnetic flowmeter probe 12 is installed inside the connecting seat 1. The electromagnetic flowmeter probe 12 can detect the flow condition inside the connecting seat 1.

[0024] As a second embodiment of the present utility model: the user first inserts the third joint 72 of the conversion head 7 into the inner wall of the transport pipe 9, and connects and fixes the docking flange 73 with the connecting flange 91 by bolts and nuts, then takes out the connecting seat 1, and inserts the second joint 71 into the sealing cavity 4 between the first joint 2 and the docking seat 3. At this time, the first thread 6 located on the inner wall of the rotating seat 5 is connected with the second thread 8 on the outer surface of the conversion head 7. Then the user flips out the labor-saving handle 52 and rotates the rotating seat 5 through the labor-saving handle 52. While the rotating seat 5 rotates along the surface of the docking seat 3 through the limit block 53 and the limit groove 31, the first thread 6 and the second thread 8 drive the docking seat 3 and the conversion head 7 to get closer and closer, so that the second joint 71 is deeply inserted into the bottom of the sealing cavity 4 and tightly pressed against the sealing gasket 41, and at the same time, the docking seat 3 is tightly pressed against the sealing ring 74, thereby improving the sealing performance of the connection. Then, the other end of the connecting seat 1 is connected in the same way and can be used.

[0025] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is defined by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0026] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An electromagnetic flowmeter connection structure, comprising a connecting seat, a first pair of joints, a docking seat, a sealing chamber, a rotating seat, a first thread, a conversion head, a second thread and a transport pipeline, characterized in that: The connecting seat is provided with docking seats at the left and right ends, a first pair of joints is provided inside the docking seat, a sealing cavity is provided between the first pair of joints and the docking seat, a rotating seat is rotatably provided on the outer side of the docking seat, a first thread is provided on the inner wall of the rotating seat, a conversion head is provided on the outer side of the docking seat, a second thread is provided on the annular side of the conversion head, and a transport pipeline is provided on the outer side of the conversion head.

2. The electromagnetic flowmeter connection structure according to claim 1, characterized in that: The conversion head is provided with a second pair of joints at one end relatively close to the docking seat, the outer diameter of the second pair of joints is equal to the inner diameter of the docking seat, the inner diameter of the second pair of joints is equal to the outer diameter of the first pair of joints, and the second pair of joints is engaged with the sealing cavity.

3. The electromagnetic flowmeter connection structure according to claim 1, characterized in that: The conversion head is provided with a third pair of joints at one end relatively far away from the docking seat, and the outer diameter of the third pair of joints is equal to the inner diameter of the transport pipeline.

4. The electromagnetic flowmeter connection structure according to claim 3, characterized in that: A docking flange is arranged on the outside of the third pair of joints, and a connecting flange is welded on the outer side of the transport pipeline, and the docking flange and the connecting flange match each other.

5. The electromagnetic flowmeter connection structure according to claim 1, characterized in that: A sealing ring is bonded to a side of the conversion head relatively close to the docking seat, and a sealing pad is bonded inside the sealing cavity. Both the sealing pad and the sealing ring are made of wear-resistant rubber.

6. The electromagnetic flowmeter connection structure according to claim 1, characterized in that: A limiting block is arranged on the inner wall of the rotating seat, and a limiting groove is arranged on the outer side surface of the docking seat, and the limiting block slides tightly along the inner wall of the limiting groove.

7. The electromagnetic flowmeter connection structure according to claim 1, characterized in that: The outer surface of the rotating seat is provided with anti-skid grooves, and the outer side surface of the rotating seat is turned over to be provided with a labor-saving handle, and the first thread and the second thread are meshed with each other.

8. The electromagnetic flowmeter connection structure according to claim 1, characterized in that: An electromagnetic flowmeter body is installed at the upper end of the connecting seat, and an electromagnetic flowmeter probe is installed inside the connecting seat.

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