Magnetic ring for flow meter

Abstract

The utility model discloses a magnetic ring for a flow meter, which belongs to the technical field of mechanical parts and comprises a magnetic ring body, a magnetic ring cover is arranged above the magnetic ring body, a convenient disassembly and assembly component is arranged at the joint of the magnetic ring body and the magnetic ring cover, clamping components are arranged on two sides of the magnetic ring body, permanent magnets are arranged inside the clamping components, and the permanent magnets are fixed on the magnetic ring body. The magnetic ring cover is convenient to disassemble and assemble by arranging the disassembling and assembling base, the inserting rod, the fixing rod, the extrusion block, the fixing spring and the limiting plate, the use convenience is improved, the permanent magnet is convenient to clamp and fix by arranging the clamping base, the connecting rod, the sliding plate, the pressing rod, the stretching rod, the clamping plate and the clamping spring, and the permanent magnet is convenient to disassemble and assemble. According to the permanent magnet clamping device, the use convenience is improved, a positioning seat can be conveniently formed through the positioning plate and the clamping seat, when the permanent magnet is installed, the permanent magnet is positioned, and the effect of conveniently clamping the permanent magnet is good through a fastening pad.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical accessories, and in particular relates to a magnetic ring for a flow meter. Background Art

[0002] A flow meter is an instrument used to measure the volume flow of conductive liquids. The flow meter is installed on an industrial measuring tube and has a magnetic field generating device and a sensor. The magnetic field generating device usually includes two magnets arranged opposite to each other. A magnetic field is generated between the magnets. The measuring tube is located between the two magnets. When the liquid in the measuring tube flows, an induced potential is generated under the action of the magnetic field. After the induced potential is detected by the sensor, the flow meter can derive the flow rate of the liquid in the measuring tube based on the induced potential.

[0003] Chinese patent application No. 202320097480.2 discloses a magnetic ring for a flowmeter, which is used to measure the flow in a pipeline, including a magnetic ring cover, a magnetic ring body and a magnet assembly, wherein the magnetic ring body is detachably connected to the magnetic ring cover and forms a closed annular body with the magnetic ring cover, and the magnet assembly is arranged inside the magnetic ring body, and the magnet assembly includes at least one pair of magnets and a fixed structure that are opposite and spaced apart, and the magnetic poles of the opposite ends of each pair of magnets are opposite, and the distance between the opposite ends of a pair of magnets is greater than the diameter of the pipeline, and the fixed structure is used to fix the magnet inside the magnetic ring body. When measuring the pipeline flow, the magnetic ring cover is removed from the magnetic ring body, and the through opening is opened. The measuring tube can enter the magnetic ring body conveniently through the through opening where the magnetic ring cover is originally placed, and there is no need to fix a single magnet at the measurement site, which reduces the time and steps for fixing the magnet and improves the work efficiency of pipeline flow measurement.

[0004] The above-mentioned patent disclosed, 1. When in use, the magnetic ring cover is removed by unscrewing a plurality of screws, and then the measuring tube can be conveniently inserted into the magnetic ring body through the through opening where the magnetic ring cover was originally placed, but when in use, the magnetic ring cover is not convenient enough to be disassembled and assembled, and the convenience is not high enough; 2. When in use, the permanent magnet is fixed by matching the bolt head and the bolt tail, but when in use, the permanent magnet is not convenient enough to be installed and fixed. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a magnetic ring for a flow meter, which has the characteristics of convenient disassembly and assembly of the magnetic ring cover, high convenience, and convenient installation and fixation of the permanent magnet.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a magnetic ring for a flow meter, comprising a magnetic ring body, a magnetic ring cover is arranged above the magnetic ring body, a convenient disassembly and assembly component is arranged at the connection between the magnetic ring body and the magnetic ring cover, clamping components are arranged on both sides of the magnetic ring body, and a permanent magnet is arranged inside the clamping component.

[0007] Preferably, the convenient disassembly and assembly component includes a disassembly and assembly seat, an insertion rod, a fixing rod, an extrusion block, a fixing spring and a limit plate, wherein a disassembly and assembly seat is provided on both sides of the magnetic ring cover, an insertion rod is inserted below the disassembly and assembly seat, a fixing rod is provided on one side of the insertion rod, an extrusion block is provided above the fixing rod, a fixing spring is provided on one side of the extrusion block, and a limit plate is provided inside one end of the fixing rod.

[0008] Preferably, a stabilizing slide rod is slidably connected in the middle of the extrusion block, and a fixing hole cooperating with the fixing rod is opened on one side of the insertion rod.

[0009] Preferably, limiting sliding blocks are provided on both sides of the limiting plate, and the middle of the limiting sliding blocks is slidably connected to the limiting sliding rod.

[0010] Preferably, the clamping assembly includes a clamping seat, a connecting rod, a slide plate, a pressing rod, a stretching rod, a clamping plate and a clamping spring, wherein clamping seats are provided on both sides of the inside of the magnetic ring body, a connecting rod is slidably connected in the middle of the clamping seat, a slide plate is provided at one end of the connecting rod, a pressing rod is provided at one end of the slide plate, a stretching rod is provided at the other end of the connecting rod, a clamping plate is provided at one end of the stretching rod, clamping springs are provided on both sides of the connecting rod, one end of the clamping spring is fixedly connected to the stretching rod, and the other end of the clamping spring is fixedly connected to the inner wall of the clamping seat.

[0011] Preferably, positioning plates are provided on both sides of the clamping seat, and a fastening pad is provided on one side of the clamping plate.

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

[0013] 1. The utility model realizes convenient disassembly and assembly of the magnetic ring cover by setting a convenient disassembly and assembly component, and has a high convenience effect. By setting a disassembly and assembly seat, an insertion rod, a fixing rod, an extrusion block, a fixing spring and a limit plate, it is convenient to disassemble and assemble the magnetic ring cover, thereby improving the convenience of use.

[0014] 2. The utility model realizes the effect of convenient installation and fixation of the permanent magnet by setting a clamping assembly. By setting a clamping seat, a connecting rod, a slide plate, a pressing rod, a stretching rod, a clamping plate and a clamping spring, it is convenient to clamp and fix the permanent magnet. By setting a positioning plate, it is convenient to form a positioning seat with the clamping seat, so as to position the permanent magnet when it is installed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the structure of the utility model cut from the front view;

[0017] Figure 3This is a schematic diagram of the structure of the convenient disassembly and assembly components of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the clamping assembly of the utility model.

[0019] In the figure: 1. magnetic ring body; 2. magnetic ring cover; 3. convenient disassembly and assembly component; 31. disassembly and assembly seat; 32. insertion rod; 33. fixing rod; 34. extrusion block; 35. fixing spring; 36. limit plate; 4. clamping assembly; 41. clamping seat; 42. connecting rod; 43. slide plate; 44. pressing rod; 45. stretching rod; 46. clamping plate; 47. clamping spring; 48. positioning plate; 49. fastening pad; 5. permanent magnet. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] See also Figure 1-4 The utility model provides the following technical solutions: a magnetic ring for a flow meter, comprising a magnetic ring body 1, a magnetic ring cover 2 is arranged above the magnetic ring body 1, a convenient disassembly and assembly component 3 is arranged at the connection between the magnetic ring body 1 and the magnetic ring cover 2, clamping components 4 are arranged on both sides of the magnetic ring body 1, and a permanent magnet 5 is arranged inside the clamping component 4.

[0023] Specifically, the convenient disassembly and assembly component 3 includes a disassembly and assembly seat 31, an insertion rod 32, a fixing rod 33, an extrusion block 34, a fixing spring 35 and a limit plate 36, wherein the disassembly and assembly seat 31 is arranged on both sides of the magnetic ring cover 2, the disassembly and assembly seat 31 is arranged below the disassembly and assembly seat 31, a fixing rod 33 is arranged on one side of the insertion rod 32, an extrusion block 34 is arranged above the fixing rod 33, a fixing spring 35 is arranged on one side of the extrusion block 34, and a limiting plate 36 is arranged inside one end of the fixing rod 33.

[0024] By adopting the above technical solution, the fixing rod 33 is pulled, and the fixing rod 33 drives the extrusion block 34 to move and compress the fixing spring 35, so that the fixing rod 33 is disengaged from the fixing hole. When the fixing rod 33 moves to the limit plate 36 located outside the disassembly and assembly seat 31, the limit plate 36 moves downward to limit and fix the fixing rod 33 to prevent it from rebounding, so that the magnetic ring cover 2 can be removed, making it convenient to disassemble and assemble the magnetic ring cover 2 when the device is in use, thereby improving the convenience of use.

[0025] Specifically, a stabilizing slide rod is slidably connected in the middle of the extrusion block 34 , and a fixing hole matching the fixing rod 33 is opened on one side of the insertion rod 32 .

[0026] By adopting the above technical solution, the stable sliding rod facilitates the stable sliding of the extrusion block 34 , and the fixing hole facilitates the insertion of the fixing rod 33 to fix the insertion rod 32 .

[0027] Specifically, limiting sliding blocks are provided on both sides of the limiting plate 36 , and the middle of the limiting sliding blocks is slidably connected to the limiting sliding rod.

[0028] By adopting the above technical solution, the limiting slider and the limiting slide rod cooperate with each other, so as to limit the moving range of the limiting plate 36.

[0029] When the present embodiment is in use, the fixing rod 33 is pulled, and the fixing rod 33 drives the squeezing block 34 to move and compress the fixing spring 35, so that the fixing rod 33 is disengaged from the fixing hole. When the fixing rod 33 moves to the limit plate 36 and is located outside the disassembly seat 31, the limit plate 36 moves downward to limit and fix the fixing rod 33 to prevent it from rebounding, so that the magnetic ring cover 2 can be removed, so that the magnetic ring cover 2 can be easily disassembled and assembled when the device is in use, thereby improving the convenience of use.

[0030] Example 2

[0031] The present embodiment is different from the embodiment 1 in that: specifically, the clamping assembly 4 includes a clamping seat 41, a connecting rod 42, a slide plate 43, a pressing rod 44, a stretching rod 45, a clamping plate 46 and a clamping spring 47, wherein the clamping seat 41 is arranged on both sides of the inside of the magnetic ring body 1, the middle of the clamping seat 41 is slidably connected with the connecting rod 42, a slide plate 43 is arranged at one end of the connecting rod 42, a pressing rod 44 is arranged at one end of the slide plate 43, a stretching rod 45 is arranged at the other end of the connecting rod 42, a clamping plate 46 is arranged at one end of the stretching rod 45, clamping springs 47 are arranged on both sides of the connecting rod 42, one end of the clamping spring 47 is fixedly connected to the stretching rod 45, and the other end of the clamping spring 47 is fixedly connected to the inner wall of the clamping seat 41.

[0032] By adopting the above technical solution, the pressing rod 44 is pressed, and the pressing rod 44 drives the slide plate 43 to move. The movement of the slide plate 43 drives the connecting rod 42 to move. The movement of the connecting rod 42 drives the stretching rod 45 to move. The movement of the stretching rod 45 will pull the clamping spring 47 to deform, thereby driving the clamping plate 46 to move outward. When it moves to the maximum limit, the permanent magnet 5 is placed in the positioning plate 48, and then the pressing rod 44 is released, and the clamping spring 47 returns to its position, so that the clamping plate 46 clamps and fixes the permanent magnet 5, so that when the device is in use, it is convenient to install and fix the permanent magnet 5, thereby improving the convenience of use.

[0033] Specifically, positioning plates 48 are provided on both sides of the clamping seat 41 , and a fastening pad 49 is provided on one side of the clamping plate 46 .

[0034] By adopting the above technical solution, the positioning plate 48 can form a positioning seat with the clamping seat 41, so as to position the permanent magnet 5, and the fastening pad 49 can clamp the permanent magnet 5 effectively.

[0035] When this embodiment is in use: the pressing rod 44 is pressed, the pressing rod 44 drives the slide plate 43 to move, the movement of the slide plate 43 drives the connecting rod 42 to move, the movement of the connecting rod 42 drives the stretching rod 45 to move, and the movement of the stretching rod 45 will pull the clamping spring 47 to deform, thereby driving the clamping plate 46 to move outward. When it moves to the maximum limit, the permanent magnet 5 is placed in the positioning plate 48, and then the pressing rod 44 is released, the clamping spring 47 returns to its position, so that the clamping plate 46 clamps and fixes the permanent magnet 5, the positioning plate 48 is convenient to form a positioning seat with the clamping seat 41, so as to position the permanent magnet 5, and the fastening pad 49 is convenient for clamping the permanent magnet 5. The effect is good, so that when the device is in use, it is convenient to install and fix the permanent magnet 5, thereby improving the convenience of use.

[0036] The structure and use principle of the magnetic ring body 1, magnetic ring cover 2, and permanent magnet 5 in the utility model have been disclosed in a magnetic ring for a flow meter disclosed in Chinese patent application No. 202320097480.2. Its working principle is to open the magnetic ring cover 2, and then connect the magnetic ring body 1 and the measuring tube so that the measuring tube is located in the magnetic field generated by the magnet.

[0037] The working principle and use process of the utility model: when the utility model is used, the permanent magnet 5 is clamped and fixed by the clamping component 4, the magnetic ring cover 2 is opened by the convenient disassembly component 3, and then the magnetic ring body 1 and the measuring tube are connected, so that the measuring tube is located in the magnetic field generated by the magnet, and then it can be used. When the convenient disassembly component 3 is in use, the fixing rod 33 is pulled, and the fixing rod 33 drives the extrusion block 34 to move and compress the fixing spring 35, so that the fixing rod 33 is separated from the fixing hole. When the fixing rod 33 moves to the limit plate 36 and is located outside the disassembly seat 31, the limit plate 36 moves downward to limit and fix the fixing rod 33 to prevent it from rebounding, so that the magnetic ring cover 2 can be removed, so that the magnetic ring cover 2 is convenient to disassemble and assemble when the device is in use, which improves the convenience of use. The clamping assembly 4 is convenient to use. When the clamping assembly 4 is in use, the pressing rod 44 is pressed, and the pressing rod 44 drives the slide plate 43 to move. The movement of the slide plate 43 drives the connecting rod 42 to move. The movement of the connecting rod 42 drives the stretching rod 45 to move. The movement of the stretching rod 45 will pull the clamping spring 47 to deform, thereby driving the clamping plate 46 to move outward. When it moves to the maximum limit, the permanent magnet 5 is placed in the positioning plate 48, and then the pressing rod 44 is released, and the clamping spring 47 returns to its position, so that the clamping plate 46 clamps and fixes the permanent magnet 5. The positioning plate 48 is convenient to form a positioning seat with the clamping seat 41, so as to position the permanent magnet 5. The fastening pad 49 is convenient for clamping the permanent magnet 5. The permanent magnet 5 can be easily installed and fixed when the device is in use, thereby improving the convenience of use.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A magnetic ring for a flow meter, comprising a magnetic ring body, characterized in that: A magnetic ring cover is arranged above the magnetic ring body, a convenient disassembly assembly is arranged at the connection between the magnetic ring body and the magnetic ring cover, clamping assemblies are arranged on both sides of the magnetic ring body, and permanent magnets are arranged inside the clamping assemblies; The convenient disassembly and assembly component includes a disassembly and assembly seat, an insertion rod, a fixing rod, an extrusion block, a fixing spring and a limit plate, wherein disassembly and assembly seats are arranged on both sides of the magnetic ring cover, an insertion rod is inserted under the disassembly and assembly seat, a fixing rod is arranged on one side of the insertion rod, an extrusion block is arranged above the fixing rod, a fixing spring is arranged on one side of the extrusion block, and a limit plate is arranged inside one end of the fixing rod.

2. A magnetic ring for a flow meter according to claim 1, characterized in that: A stabilizing slide rod is slidably connected in the middle of the extrusion block, and a fixing hole matching the fixing rod is provided on one side of the insertion rod.

3. A magnetic ring for a flow meter according to claim 1, characterized in that: Limiting sliders are arranged on both sides of the limiting plate, and the middle of the limiting sliders is slidably connected to the limiting sliding rod.

4. A magnetic ring for a flow meter according to claim 1, characterized in that: The clamping assembly includes a clamping seat, a connecting rod, a slide plate, a pressing rod, a stretching rod, a clamping plate and a clamping spring, wherein clamping seats are arranged on both sides of the inner part of the magnetic ring body, a connecting rod is slidably connected in the middle of the clamping seat, a slide plate is arranged at one end of the connecting rod, a pressing rod is arranged at one end of the slide plate, a stretching rod is arranged at the other end of the connecting rod, a clamping plate is arranged at one end of the stretching rod, clamping springs are arranged on both sides of the connecting rod, one end of the clamping spring is fixedly connected to the stretching rod, and the other end of the clamping spring is fixedly connected to the inner wall of the clamping seat.

5. A magnetic ring for a flow meter according to claim 4, characterized in that: Positioning plates are arranged on both sides of the clamping seat, and a fastening pad is arranged on one side of the clamping plate.

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