Electromagnetic flowmeter convenient to disassemble

Abstract

The utility model is applicable to the technical field of electromagnetic flow meters, and provides an electromagnetic flow meter convenient to disassemble, which comprises a flow meter body, sleeves slidably sleeved on the outer surface of a measuring pipe are arranged at two ends of the measuring pipe of the flow meter body, and flange heads connected with a conveying pipeline are sleeved on the outer surfaces of the sleeves. The outer surfaces of the two ends of a measuring tube of the flow meter body are sleeved with fixing rings, the fixing rings are sleeved with T-shaped limiting rods in a sliding mode, one end of a transverse rod of each T-shaped limiting rod is connected with the flange head, and a control mechanism used for controlling displacement of the flange head and the sleeve is arranged on the outer surface of the flow meter body. The electromagnetic flow meter can be conveniently detached from the conveying pipeline, any conveying pipeline does not need to be moved in the detaching process, the operation difficulty during detaching of the electromagnetic flow meter is lowered, and the detaching efficiency of the electromagnetic flow meter is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic flowmeters, and more specifically, it relates to an electromagnetic flowmeter that is convenient to disassemble. Background Art

[0002] An electromagnetic flowmeter is an instrument that applies the principle of electromagnetic induction to measure the flow rate of a conductive fluid based on the electromotive force induced when the conductive fluid passes through an externally applied magnetic field.

[0003] For example, after retrieving the existing relevant patent: CN219434155U, it discloses an electromagnetic flowmeter that is convenient for disassembly and installation. In this existing technology, the bottom plate is fixed at the middle position of the straight-line distance between the water inlet pipe and the water outlet pipe by bolts. At this time, by shaking the turning handle, the rotating shaft rotates. Since the second helical gear meshes with the first helical gear, when the first helical gear rotates, it can drive the threaded column to rotate and move upward on the threaded ring, thereby driving the socket column to move upward until the connecting pipe can be aligned with the water inlet pipe and the water outlet pipe. At this time, the flange is connected to the water inlet pipe and the water outlet pipe by bolts, so as to achieve the purpose of support.

[0004] However, the inventor believes that the existing technology has the following problems: In the existing technology, when the flange on the electromagnetic flowmeter is docked with the flange on the pipeline, the two flanges need to be closely attached, and a sealing ring needs to be added between them to increase the sealing performance between the two flanges. However, in the existing technology, when disassembling the electromagnetic flowmeter, it is through the method of controlling the downward displacement of the electromagnetic flowmeter. However, when moving downward, the flange on the electromagnetic flowmeter is affected by the sealing structure such as the sealing ring, and it is difficult to remove it from the pipeline. Therefore, it is necessary to move the pipeline to remove the electromagnetic flowmeter from the pipeline, which increases the operation steps when disassembling the electromagnetic flowmeter and affects the disassembly efficiency of the electromagnetic flowmeter. Summary of the Invention

[0005] Aiming at the deficiencies of the existing technology, the purpose of the present utility model is to provide an electromagnetic flowmeter that is convenient to disassemble. By setting a retractable flange head, it is convenient to disassemble the electromagnetic flowmeter from the pipeline. During the disassembly process, it is not necessary to move any pipeline, which reduces the operation difficulty when disassembling the electromagnetic flowmeter and improves the disassembly efficiency of the electromagnetic flowmeter.

[0006] To achieve the above purpose, the present utility model provides the following technical solutions:

[0007] An electromagnetic flowmeter that is convenient for disassembly, including a flowmeter body. Sleeves that slide on the outer surface of the measuring tube of the flowmeter body are provided at both ends of the measuring tube. A flange head connected to the conveying pipeline is sleeved on the outer surface of the sleeve. Fixed rings are sleeved on the outer surfaces of both ends of the measuring tube of the flowmeter body. A T-shaped limiting rod is slidably sleeved on the fixed ring. One end of the crossbar of the T-shaped limiting rod is connected to the flange head. A control mechanism for controlling the displacement of the flange head and the sleeve is provided on the outer surface of the flowmeter body.

[0008] The present utility model is further configured as: The control mechanism includes a control housing, which is arranged outside the housing of the flowmeter body. Two control rods are arranged inside the control housing. Opposite ends of the two control rods respectively slide through the left and right side surfaces of the control housing and are respectively connected to the two flange heads.

[0009] The present utility model is further configured as: A screw rod is rotatably connected between the upper and lower inner walls of the control housing. A rotating handle for controlling the rotation of the screw rod is provided on the control housing. A nut sleeve is threadedly sleeved on the outer surface of the screw rod.

[0010] The present utility model is further configured as: A rotating plate is hinged between the outer surface of the nut sleeve and the end of the control rod located inside the control housing.

[0011] The present utility model is further configured as: A sealing ring for increasing the sealing performance is provided on the outer surface of the measuring tube of the flowmeter body.

[0012] The present utility model is further configured as: Support columns are provided on the lower surface of the flowmeter body. A bottom plate is provided on the lower side of the support columns. Two rollers are provided on both the left and right sides of the bottom plate. Two rotating shafts are rotatably sleeved on the bottom plate. The two rollers on both the left and right sides of the bottom plate are respectively sleeved on both ends of the rotating shaft.

[0013] The present utility model is further configured as: A locking mechanism for locking the rollers is provided inside the control housing. The locking mechanism includes a trigger rod, which is arranged inside the control housing. An inner plate that contacts the lower surface of the nut sleeve is provided at the upper end of the trigger rod. A spring that is movably sleeved on the outer surface of the trigger rod is provided between the lower surface of the inner plate and the bottom wall of the control housing. A cavity is formed inside the bottom plate. The front rotating shaft is arranged inside the cavity. A gear is sleeved on the outer surface of the rotating shaft located inside the cavity. The lower end of the trigger rod slides through the control housing and finally slides into the cavity of the bottom plate. A push plate is hinged to the lower end of the trigger rod. A sleeve rod is provided on the rear wall of the cavity of the bottom plate. A limiting plate that is engaged with the tooth groove of the gear is slidably sleeved on the outer surface of the sleeve rod. The lower side of the push plate is hinged to the upper side of the limiting plate.

[0014] The advantages of the present utility model are:

[0015] First, by setting a retractable flange head in the utility model, it is convenient to disassemble the electromagnetic flowmeter from the pipeline. During the disassembly process, there is no need to move any pipeline, which reduces the operation difficulty when disassembling the electromagnetic flowmeter and improves the disassembly efficiency of the electromagnetic flowmeter.

[0016] Second, by setting a locking mechanism in the utility model, when the electromagnetic flowmeter is installed on the pipeline, the rollers can be automatically locked, minimizing the problem of roller movement and ensuring the firmness of the electromagnetic flowmeter after installation. When the electromagnetic flowmeter is disassembled, the restriction on the rollers is automatically released, facilitating the movement of the electromagnetic flowmeter. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of an electromagnetic flowmeter that is easy to disassemble according to the utility model;

[0018] Figure 2 is a schematic cross-sectional view of the control housing of the utility model;

[0019] Figure 3 is Figure 2 the enlarged view at A in

[0020] Figure 4 is a schematic partial cross-sectional view of the bottom plate of the utility model.

[0021] In the figure: 1, flowmeter body; 2, flange head; 3, sleeve; 4, fixing ring; 5, T-shaped limiting rod; 6, control mechanism; 601, control housing; 602, control rod; 603, screw; 604, rotating handle; 605, nut sleeve; 606, rotating plate; 7, support column; 8, bottom plate; 9, roller; 10, rotating shaft; 11, locking mechanism; 111, trigger rod; 112, built-in plate; 113, spring; 114, gear; 115, sleeved rod; 116, limiting plate; 117, pushing plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Please refer to Figures 1-4 , the utility model provides the following technical solutions:

[0023] Specifically, it refers to an electromagnetic flowmeter that is easy to disassemble, including a flowmeter body 1. Sleeves 3 that slide on the outer surface of the measuring tube are provided at both ends of the measuring tube of the flowmeter body 1. A flange head 2 connected to the conveying pipeline is sleeved on the outer surface of the sleeve 3. Fixed rings 4 are sleeved on the outer surfaces of both ends of the measuring tube of the flowmeter body 1. A T-shaped limiting rod 5 is slidably sleeved on the fixed ring 4. One end of the crossbar of the T-shaped limiting rod 5 is connected to the flange head 2. Therefore, the flange head 2 is restricted by the T-shaped limiting rod 5, and the displacement distance of the flange head 2 is controlled to prevent the sleeve 3 from separating from the measuring tube of the flowmeter body 1. A control mechanism 6 for controlling the displacement of the flange head 2 and the sleeve 3 is provided on the outer surface of the flowmeter body 1. When it is necessary to disassemble the flowmeter body 1 from the conveying pipeline, first remove the bolts on the flange head 2 and the flange head of the conveying pipeline, and then control the two flange heads 2 and the sleeve 3 to displace in opposite directions through the control mechanism 6. In this way, the flange head 2 displaces to the side away from the conveying pipeline. Using the above-mentioned retractable flange head 2 facilitates the disassembly of the electromagnetic flowmeter from the conveying pipeline. During the disassembly process, there is no need to move any conveying pipelines, reducing the operation difficulty when disassembling the electromagnetic flowmeter and improving the disassembly efficiency of the electromagnetic flowmeter.

[0024] The control mechanism 6 includes a control housing 601. The control housing 601 is arranged on the outer side of the housing of the flowmeter body 1. Two control rods 602 are arranged inside the control housing 601. Opposite ends of the two control rods 602 respectively slide through the left and right side surfaces of the control housing 601 and are respectively connected to the two flange heads 2. Therefore, during use, by controlling the displacement of the two control rods 602, the two flange heads 2 can be driven to displace.

[0025] A screw rod 603 is rotatably connected between the upper and lower inner walls of the control housing 601. A rotating handle 604 for controlling the rotation of the screw rod 603 is arranged on the control housing 601. A threaded sleeve 605 is sleeved on the outer surface of the screw rod 603. A rotating plate 606 is hinged between the outer surface of the threaded sleeve 605 and the end of the control rod 602 located inside the control housing 601. In this way, by driving the screw rod 603 to rotate through the rotating handle 604, the threaded sleeve 605 displaces upward or downward under the transmission of the thread teeth of the screw rod 603. When the threaded sleeve 605 displaces downward, the threaded sleeve 605 will form a thrust on the rotating plate 606, causing the rotating plate 606 to push the control rod 602 to displace outside the control housing 601. Therefore, the control rod 602 pushes the flange head 2 to displace to the side away from the flowmeter body 1, so that the flange head 2 is docked with the flange on the conveying pipeline. When the threaded sleeve 605 displaces upward, the threaded sleeve 605 will form a pulling force on the rotating plate 606, causing the rotating plate 606 to form a pulling force on the control rod 602 and pulling the control rod 602 to displace into the control housing 601. Therefore, the flange head 2 is separated from the flange on the conveying pipeline. Using this method, the synchronous displacement of the two flange heads 2 can be controlled simultaneously, reducing the operation steps of the staff.

[0026] A sealing ring for enhancing sealing performance is provided on the outer surface of the measuring tube of the flowmeter body 1, minimizing the problem of leakage during fluid transportation.

[0027] Support columns 7 are provided on the lower surface of the flowmeter body 1. A bottom plate 8 is provided on the lower side of the support columns 7. Two rollers 9 are provided on each of the left and right sides of the bottom plate 8. Two rotating shafts 10 are rotatably sleeved on the bottom plate 8. The two rollers 9 on the left and right sides of the bottom plate 8 are respectively sleeved on the two ends of the rotating shafts 10. During use, the bottom plate 8 provides a supporting effect on the flowmeter body 1. When the flowmeter body 1 is disassembled, the entire flowmeter body 1 can be easily moved out by the rollers 9, facilitating the maintenance of the flowmeter body 1.

[0028] A locking mechanism 11 for locking the rollers 9 is provided inside the control housing 601. The locking mechanism 11 includes a trigger rod 111 disposed inside the control housing 601. An inner plate 112 in contact with the lower surface of the screw sleeve 605 is provided at the upper end of the trigger rod 111. A spring 113 is movably sleeved on the outer surface of the trigger rod 111 between the lower surface of the inner plate 112 and the bottom wall of the control housing 601. When the screw sleeve 605 moves downward to the bottom of the control housing 601, the screw sleeve 605 contacts the inner plate 112 and presses the inner plate 112, causing the inner plate 112 to push the trigger rod 111 downward, and at the same time, the spring 113 is compressed and contracted.

[0029] A cavity is formed inside the bottom plate 8. The front side rotating shaft 10 is arranged inside the cavity. A gear 114 is sleeved on the outer surface of the rotating shaft 10 located inside the cavity. The lower end of the trigger rod 111 slides through the control housing 601 and finally slides into the cavity of the bottom plate 8. A push plate 117 is hinged to the lower end of the trigger rod 111. A sleeve rod 115 is arranged on the rear wall of the cavity of the bottom plate 8. A limiting plate 116 that is in tooth groove engagement with the gear 114 is slidably sleeved on the outer surface of the sleeve rod 115. The lower side of the push plate 117 is hinged to the upper side of the limiting plate 116. During use, when the screw sleeve 605 moves downward to the bottom of the control housing 601, the screw sleeve 605 contacts the built-in plate 112 and presses the built-in plate 112, causing the built-in plate 112 to push the trigger rod 111 downward. At the same time, the spring 113 is compressed and contracts. The trigger rod 111 exerts a thrust on the push plate 117. The push plate 117 pushes the limiting plate 116 to move toward one side of the gear 114 and finally engages with the tooth groove of the gear 114, thus completing the fixation of the rotating shaft 10. In this way, when the electromagnetic flowmeter is installed on the pipeline, the roller 9 can be automatically locked, minimizing the problem of the roller 9 moving and ensuring the firmness of the electromagnetic flowmeter after installation. When the screw sleeve 605 moves upward, the spring 113 is no longer compressed and pushes the built-in plate 112 upward. In this way, the trigger rod 111 exerts a pulling force on the push plate 117, causing the push plate 117 to pull the limiting plate 116 away from the gear 114, so that the restriction on the roller 9 can be automatically released after the electromagnetic flowmeter is disassembled, facilitating the movement of the electromagnetic flowmeter.

[0030] The working principle of the electromagnetic flowmeter that is easy to disassemble provided by the present utility model is as follows: By rotating the handle 604 to drive the screw rod 603 to rotate, the screw sleeve 605 moves upward or downward under the transmission of the thread teeth of the screw rod 603. When the screw sleeve 605 moves downward, the screw sleeve 605 exerts a thrust on the rotating plate 606, causing the rotating plate 606 to push the control rod 602 to move toward the outside of the control housing 601. Therefore, the control rod 602 pushes the flange head 2 to move toward one side away from the flowmeter body 1, so that the flange head 2 is docked with the flange on the pipeline.

[0031] When the screw sleeve 605 moves upward, the screw sleeve 605 exerts a pulling force on the rotating plate 606, causing the rotating plate 606 to exert a pulling force on the control rod 602 and pulling the control rod 602 into the control housing 601. Therefore, the flange head 2 is separated from the flange on the pipeline.

Claims

1. An electromagnetic flowmeter that is convenient for disassembly, comprising a flowmeter body (1), characterized in that: Both ends of the measuring tube of the flowmeter body (1) are provided with sleeves (3) slidably sleeved on the outer surface of the measuring tube. A flange head (2) connected to the conveying pipeline is sleeved on the outer surface of the sleeve (3). Fixed rings (4) are sleeved on the outer surfaces of both ends of the measuring tube of the flowmeter body (1). A T-shaped limiting rod (5) is slidably sleeved on the fixed ring (4). One end of the cross bar of the T-shaped limiting rod (5) is connected to the flange head (2). A control mechanism (6) for controlling the displacement of the flange head (2) and the sleeve (3) is arranged on the outer surface of the flowmeter body (1).

2. The electromagnetic flowmeter according to claim 1, wherein: The control mechanism (6) includes a control housing (601). The control housing (601) is arranged on the outer side of the housing of the flowmeter body (1). Two control rods (602) are arranged in the control housing (601). Opposite ends of the two control rods (602) respectively slide through the left and right side surfaces of the control housing (601) and are respectively connected to the two flange heads (2).

3. The electromagnetic flowmeter according to claim 2, wherein: A screw rod (603) is rotatably connected between the upper and lower inner walls of the control housing (601). A rotating handle (604) for controlling the rotation of the screw rod (603) is arranged on the control housing (601). A nut sleeve (605) is threadedly sleeved on the outer surface of the screw rod (603).

4. The electromagnetic flowmeter according to claim 3, characterized in that: A rotating plate (606) is hinged between the outer surface of the nut sleeve (605) and the end of the control rod (602) located inside the control housing (601).

5. An electromagnetic flowmeter that is easy to disassemble according to claim 1, characterized in that: A sealing ring for enhancing the sealing performance is arranged on the outer surface of the measuring tube of the flowmeter body (1).

6. The electromagnetic flowmeter according to claim 1, wherein: Support columns (7) are arranged on the lower surface of the flowmeter body (1). A bottom plate (8) is arranged on the lower side of the support columns (7).

7. The electromagnetic flowmeter according to claim 6, characterized in that: Two rollers (9) are arranged on both the left and right sides of the bottom plate (8). Two rotating shafts (10) are rotatably sleeved on the bottom plate (8). The two rollers (9) on both the left and right sides of the bottom plate (8) are respectively sleeved on both ends of the rotating shafts (10).

Images