A corrosion-resistant and easily disassembled nozzle flow meter

Abstract

The utility model discloses a corrosion-resistant, easily disassembled nozzle flowmeter, which comprises a nozzle flowmeter body and two connecting pipes located at both ends of the nozzle flowmeter body, both ends of the nozzle flowmeter body are fixedly installed with a first connecting ring, one end of the two connecting pipes close to the first connecting ring is fixedly connected with a second connecting ring, one end of the two first connecting rings is fixedly installed with a rubber sealing ring matching the second connecting ring, the circumferential surfaces of the two first connecting rings are both annularly equidistantly rotatably connected with four clamping plates, the ends of the clamping plates are hook-shaped, the circumferential surfaces of the two second connecting rings are both annularly equidistantly opened with inclined clamping grooves, and the hook-shaped ends of the clamping plates are clamped in the inside of the inclined clamping grooves; the nozzle flowmeter has a convenient disassembly and assembly structure, which enables the two ends of the nozzle flowmeter to be quickly connected to the two pipelines, and can effectively ensure the firmness and sealing of the connection.

Description

Technical Field

[0001] The utility model belongs to the technical field of drill bits, in particular to a corrosion-resistant easily detachable nozzle flow meter. Background Art

[0002] The nozzle flowmeter is a differential pressure generating device for measuring flow. It can measure the flow of various fluids in the pipeline in conjunction with various differential pressure gauges or differential pressure transmitters. The standard nozzle throttling device is used in conjunction with the differential pressure transmitter to measure the flow of liquids, steam, and gases. It is widely used in petroleum, chemical, metallurgy, electricity, light industry and other departments. Most of the existing nozzle flowmeters are connected by flanges. Flange connections require the use of more bolts, and the connection and adjustment of bolts are relatively cumbersome, and the nozzle flowmeter cannot be conveniently disassembled, repaired, and replaced. Therefore, improvements are now needed to address the above problems. Utility Model Content

[0003] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a corrosion-resistant, easily disassembled nozzle flowmeter, comprising a nozzle flowmeter body and two connecting pipes located at both ends of the nozzle flowmeter body, both ends of the nozzle flowmeter body are fixedly installed with a first connecting ring, one end of the two connecting pipes close to the first connecting ring is fixedly connected with a second connecting ring, one end of the two first connecting rings is fixedly installed with a rubber sealing ring matching the second connecting ring, the circumferential surfaces of the two first connecting rings are both rotatably connected with four clamping plates at equal distances in an annular manner, the ends of the clamping plates are hook-shaped, the circumferential surfaces of the two second connecting rings are both provided with inclined clamping grooves at equal distances in annular manner, and the hook-shaped ends of the clamping plates are clamped in the inside of the inclined clamping grooves.

[0004] Preferably, the surface of one side of the clamping plate is provided with a sliding adjustment groove, and the surface of the nozzle flowmeter body is movably sleeved with two moving rings, and the surfaces of the two moving rings are fixedly installed with four n-shaped rods in a circular shape at equal distances, and the middle part of the n-shaped rods is located inside the sliding adjustment groove, so that the clamping plate can be effectively adjusted.

[0005] Preferably, four bidirectional threaded shafts are equidistantly arranged in a circular shape on the surface of the nozzle flowmeter body, two movable rings are threadedly connected to the four bidirectional threaded shafts, the four bidirectional threaded shafts are rotatably connected between the two first connecting rings, gears are fixedly installed in the middle of the four bidirectional threaded shafts, two fixed rings are fixedly installed in the middle of the surface of the nozzle flowmeter body, a rotating ring is installed between the two fixed rings, an inner gear ring is fixedly installed on the inner arc surface of the rotating ring, and the four gears are meshingly connected to the inner gear ring, so that they can rotate effectively.

[0006] Preferably, a worm gear ring is fixedly installed on the outer arc surface of the rotating circle, two U-shaped blocks are fixedly installed between the circumferential surfaces of the two fixed circles, a worm screw which is meshed with the worm gear ring is rotatably connected between the two U-shaped blocks, and a hexagonal rotating cap is fixedly connected to one end of the worm screw, so that effective adjustment can be performed.

[0007] Compared with the prior art, the beneficial effects of the utility model are as follows: by providing a nozzle flowmeter body, a connecting pipe, a first connecting ring, a second connecting ring, a clamping plate, an inclined clamping groove and a rubber sealing ring, the nozzle flowmeter has a convenient disassembly and assembly structure, and the disassembly and assembly structure enables the two ends of the nozzle flowmeter to be quickly connected to the two pipes, and can effectively ensure the firmness and sealing of the connection. At the same time, the disassembly and assembly structure can complete the synchronous connection operation of the two ends through a transmission structure, thereby effectively improving the convenience of the connection operation, and the nozzle flowmeter has a simple structural design, is convenient to use and operate, and its performance can meet people's usage needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0009] In the attached picture:

[0010] Figure 1 This is a schematic diagram of the structure of the corrosion-resistant and easily disassembled nozzle flowmeter of the utility model;

[0011] Figure 2 For this utility model Figure 1 A schematic cross-sectional structure diagram of ;

[0012] Figure 3 For this utility model Figure 2 The local structure of Figure 1 ;

[0013] Figure 4 For this utility model Figure 2 The local structure of Figure 2 ;

[0014] In the figure: 1. nozzle flowmeter body; 2. connecting pipe; 3. first connecting ring; 4. second connecting ring; 5. clamping plate; 6. inclined clamping groove; 7. rubber sealing ring; 8. sliding adjustment groove; 9. moving ring; 10. n-shaped rod; 11. bidirectional threaded shaft; 12. gear; 13. fixed ring; 14. rotating ring; 15. inner gear ring; 16. worm wheel ring; 17. U-shaped block; 18. worm. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with 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 of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0016] Depend on Figures 1 to 4 The utility model comprises a nozzle flowmeter body 1 and two connecting pipes 2 located at both ends of the nozzle flowmeter body 1, first connecting rings 3 are fixedly installed at both ends of the nozzle flowmeter body 1, second connecting rings 4 are fixedly connected at one end of the two connecting pipes 2 close to the first connecting ring 3, rubber sealing rings 7 matching the second connecting ring 4 are fixedly installed at one end of the two first connecting rings 3, so as to seal the connection between the nozzle flowmeter body 1 and the connecting pipe 2, the circumferential surfaces of the two first connecting rings 3 are connected with four clamping plates 5 in annular and equidistant rotation, the ends of the clamping plates 5 are hook-shaped, the circumferential surfaces of the two second connecting rings 4 are provided with inclined grooves 6 in annular and equidistant manner, and the hook-shaped ends of the clamping plates 5 are clamped in the inside of the inclined grooves 6.

[0017] The surface of one side of the card plate 5 is provided with a sliding adjustment groove 8, and the surface of the nozzle flow meter body 1 is movably sleeved with two moving circles 9, and the surfaces of the two moving circles 9 are annularly and equidistantly fixed with four n-shaped rods 10, and the middle part of the n-shaped rod 10 is located inside the sliding adjustment groove 8, so that the card plate 5 can be effectively adjusted. The surface of the nozzle flow meter body 1 is annularly and equidistantly provided with four bidirectional threaded shafts 11, and the two moving circles 9 are threadedly connected with the four bidirectional threaded shafts 11, and the four bidirectional threaded shafts 11 are rotatably connected between the two first connecting circles 3, and the middle part of the four bidirectional threaded shafts 11 is fixedly installed with a gear 12, and the middle part of the surface of the nozzle flow meter body 1 is fixedly installed with Two fixed rings 13 are provided, and a rotating ring 14 is installed between the two fixed rings 13. An inner gear ring 15 is fixedly installed on the inner arc surface of the rotating ring 14. The four gears 12 are all meshed with the inner gear ring 15, so that they can rotate effectively. A worm wheel 16 is fixedly installed on the outer arc surface of the rotating ring 14. Two U-shaped blocks 17 are fixedly installed between the circumferential surfaces of the two fixed rings 13. A worm 18 meshed with the worm wheel 16 is rotatably connected between the two U-shaped blocks 17. One end of the worm 18 is fixedly connected with a hexagonal rotating cap, so that it can be effectively adjusted. At the same time, the structures on this corrosion-resistant and easily disassembled nozzle flowmeter are all made of stainless steel to further prevent the flowmeter from rusting.

[0018] The hexagonal rotating cap is rotated by a tool to drive the worm 18 to rotate, and the rotation of the worm 18 drives the worm wheel 16 to rotate, and the rotation of the worm wheel 16 drives the rotating ring 14 and the inner gear ring 15 to rotate and adjust;

[0019] When the nozzle flow meter body 1 needs to be removed from between the two connecting pipes 2, the rotation of the rotating ring 14 drives the inner gear ring 15 to rotate, and the rotation of the inner gear ring 15 will drive the four gears 12 to rotate, and the rotation of the four gears 12 will drive the four bidirectional threaded shafts 11 to rotate, and the rotation of the four bidirectional threaded shafts 11 will cause the two moving rings 9 to move in opposite directions, and the two moving moving rings 9 will drive the four n-shaped rods 10 on their surfaces to rotate, and the rotation of the n-shaped rods 10 will slide inside the sliding adjustment groove 8 and drive the clamping plate 5 to rotate, and the rotation of the clamping plate 5 will cause the hook-shaped end of the clamping plate 5 to be withdrawn from the inside of the inclined clamping groove 6, and then the nozzle flow meter body 1 can be removed from between the two connecting pipes 2; and the rotation of the clamping plate 5 causes the hook-shaped end of the clamping plate 5 to be clamped and abutted against the inside of the inclined clamping groove 6, so that the first connecting ring 3 and the second connecting ring 4 are in close contact through the rubber sealing ring 7, so that the nozzle flow meter body 1 and the two connecting pipes 2 are tightly and firmly connected.

[0020] The nozzle flow meter has a convenient disassembly and assembly structure, which enables the two ends of the nozzle flow meter to be quickly connected to the two pipes and can effectively ensure the firmness and sealing of the connection. At the same time, the disassembly and assembly structure can complete the synchronous connection operation of the two ends through a transmission structure, thereby effectively improving the convenience of the connection operation. The nozzle flow meter has a simple structural design, is easy to use and operate, and its performance can meet people's usage needs.

Claims

1. A corrosion-resistant, easily detachable nozzle flowmeter, comprising a nozzle flowmeter body (1) and two connecting pipes (2) located at both ends of the nozzle flowmeter body (1), characterized in that: The first connecting ring (3) is fixedly installed at both ends of the nozzle flow meter body (1), the second connecting ring (4) is fixedly connected to one end of the two connecting pipes (2) close to the first connecting ring (3), a rubber sealing ring (7) matching the second connecting ring (4) is fixedly installed at one end of the two first connecting rings (3), the circumferential surfaces of the two first connecting rings (3) are connected to four clamping plates (5) in an annular and equidistant manner, the ends of the clamping plates (5) are hook-shaped, the circumferential surfaces of the two second connecting rings (4) are provided with inclined clamping grooves (6) in an annular and equidistant manner, and the hook-shaped ends of the clamping plates (5) are clamped inside the inclined clamping grooves (6).

2. The corrosion-resistant easily detachable nozzle flowmeter according to claim 1, characterized in that: The surface of one side of the clamping plate (5) is provided with a sliding adjustment groove (8), and the surface of the nozzle flow meter body (1) is movably sleeved with two moving circles (9), and the surfaces of the two moving circles (9) are both annularly and equidistantly fixed with four n-shaped rods (10), and the middle of the n-shaped rods (10) is located inside the sliding adjustment groove (8).

3. The corrosion-resistant easily detachable nozzle flowmeter according to claim 2, characterized in that: The surface of the nozzle type flow meter body (1) is provided with four bidirectional threaded shafts (11) at equal intervals in an annular shape, two moving circles (9) are threadedly connected to the four bidirectional threaded shafts (11), the four bidirectional threaded shafts (11) are rotatably connected between the two first connecting circles (3), a gear (12) is fixedly installed in the middle of the four bidirectional threaded shafts (11), two fixed circles (13) are fixedly installed in the middle of the surface of the nozzle type flow meter body (1), a rotating circle (14) is installed between the two fixed circles (13), an inner gear ring (15) is fixedly installed on the inner arc surface of the rotating circle (14), and the four gears (12) are meshingly connected with the inner gear ring (15).

4. The corrosion-resistant easily detachable nozzle flowmeter according to claim 3, characterized in that: A worm wheel (16) is fixedly mounted on the outer arc surface of the rotating circle (14); two U-shaped blocks (17) are fixedly mounted between the circumferential surfaces of the two fixed circles (13); a worm (18) meshingly connected to the worm wheel (16) is rotatably connected between the two U-shaped blocks (17); and a hexagonal rotating cap is fixedly connected to one end of the worm (18).

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