Anti-vibration vortex shedding flowmeter

Abstract

The utility model relates to the technical field of vortex shedding flowmeters, and discloses an anti-vibration vortex shedding flowmeter which comprises a flowmeter body, a fixing pipe is fixed on the surface of the flowmeter body, a protruding ring is fixed on the inner side of the fixing pipe, a first flange is installed on the surface of the fixing pipe, and a second flange is installed on the inner side of the fixing pipe. The anti-vibration vortex shedding flowmeter comprises a flowmeter body, a first flange is installed on the flowmeter body, a connecting pipe is arranged on the side, away from the flowmeter body, of the first flange, a second flange is installed on the surface of the connecting pipe, and a connecting assembly and a linkage assembly are arranged on the surface of the first flange and the surface of the second flange. At the moment, the first flange and the second flange are mutually limited and do not need to be held continuously by personnel, deviation of the first flange and the second flange cannot occur even if mistaken touch occurs, the first flange and the second flange can be normally fixed through bolts, and the installation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to vortex flowmeter technical field, concretely is a kind of anti-vibration vortex flowmeter. BACKGROUND

[0002] Vortex flowmeter is the flowmeter that is produced according to the principle of karman vortex, mainly used for the flow measurement of industrial pipeline medium fluid, its application range is wide, can measure such as gas, liquid, steam and so on Various media.

[0003] According to the anti-vibration vortex flowmeter (publication number: CN221527729U) of one kind shown in public, the vibration force in liquid is weakened by the material deformation of flexible shock-absorbing ring in the above application, and the vibration force in liquid is absorbed by hydraulic oil inside hollow cavity, which can have better anti-vibration effect.

[0004] However, there are still some problems in the installation process of the patent. Specifically, when installing, the flowmeter needs to be butt jointed with the flange of the pipeline, and fixed by bolts. This process requires the operator to continuously hold the flowmeter and ensure that the installation holes of the flanges are aligned. Due to the hand shake or accidental touch of the operator, the position of the flange installation hole is easy to deviate, resulting in low installation efficiency, and even repeated adjustment is needed, which increases the complexity and time cost of installation. In addition, the existing flange butt joint method lacks effective auxiliary positioning device during installation, which requires the operator to spend a lot of effort to maintain the stability of the flowmeter during installation, especially when installing in high altitude or narrow space, the operation difficulty is further increased. This not only affects the installation efficiency, but also may increase the safety risk in the installation process. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of anti-vibration vortex flowmeter to solve the problems raised in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of anti-vibration vortex flowmeter, including flowmeter body, the surface of the flowmeter body is fixed with fixed pipe, the inner side of the fixed pipe is fixed with protruding ring, the surface of the fixed pipe is installed with flange one, the side away from the flowmeter body of the flange one is provided with connecting pipe, the surface of the connecting pipe is installed with flange two, the surface of the flange one, flange two is provided with connecting assembly and linkage assembly;

[0007] The connecting assembly includes:

[0008] Fixed rod, fixed rod is used to stabilize flange one, flange two;

[0009] Clamp block, clamp block is used for limiting;

[0010] The fixed ring is used for inserting with the fixed rod and the clamping block.

[0011] Preferably, the fixed rod is fixed on the surface of the flange two, the surface of the fixed rod is fixed with the clamping block, the surface of the flange one is fixed with the fixed ring, the inner side of the fixed ring is provided with a connecting groove, the inside of the fixed ring is provided with a cavity, the inner wall of the cavity is rotationally connected with a ring, the surface of the ring is provided with a through hole, the inner wall of the through hole is abutted with a short rod, the surface of the short rod is fixed with a fixed block, the fixed block is slidingly connected on the inner wall of the connecting groove, the connecting groove and the cavity are communicated, the surface of the fixed block is fixed with a spring, the end of the spring away from the fixed block is fixed on the inner wall of the cavity, the fixed rod, the clamping block and the connecting groove are inserted, through the ring, the spring, the through hole and the short rod, the side of the clamping block away from the inclined surface is abutted with the surface of the fixed block, so that the flange one and the flange two are limited, and personnel is not needed to continuously hold.

[0012] Preferably, the linkage assembly comprises a rotating rod, the fixed block is provided with four groups, and the four groups of fixed blocks are circumferentially arranged with the center of the fixed ring as the axis, the rotating rod penetrates one of the four groups of fixed blocks, the end of the rotating rod away from the fixed block penetrates the fixed ring, and the rotating rod is rotationally connected with the fixed ring, the surface of the rotating rod is provided with an arc-shaped groove, the inner side of the fixed block is fixed with an abutting rod, the surface of the abutting rod is abutted with the inner wall of the arc-shaped groove by rotating the rotating rod, so that the fixed block moves away from the clamping block, and each fixed block is separated from the clamping block to release the limitation through the short rod, the spring and the through hole.

[0013] Preferably, the end of the clamping block away from the fixed rod is provided as an inclined surface, and when the surface of the fixed block is abutted, the fixed block can be moved.

[0014] Preferably, the through hole is provided as an arc shape, and when the ring rotates, the short rod and the fixed block can be driven to move radially synchronously.

[0015] Preferably, the inside of the protruding ring is provided as a hollow shape, and is filled with hydraulic oil, so that the vibration of the liquid passing through can be reduced.

[0016] Preferably, the end of the abutting rod away from the fixed ring extends into the arc-shaped groove, and the surface of the abutting rod is abutted with the inner wall of the arc-shaped groove, so that when the rotating rod rotates, the arc-shaped groove drives the short rod and the fixed block to move, and the limitation is conveniently released.

[0017] Compared with the prior art, the anti-vibration vortex flowmeter has the following advantages

[0018] Beneficial effects:

[0019] 1. The anti-vibration vortex flowmeter, through the setting of the connecting assembly, the fixed rod, the clamping block and the connecting groove are inserted, the circular ring, the spring, the through hole and the short rod are arranged, the side of each clamping block away from the inclined surface is in abutment with the surface of the fixed block, at this time, the flange one and the flange two are limited, personnel is not required to continuously hold, misoperation does not cause the flange one and the flange two to deviate, and the flange one and the flange two can be normally fixed through bolts, and the installation efficiency is improved.

[0020] 2. The anti-vibration vortex flowmeter, through the setting of the connecting assembly, the fixed rod, the clamping block and the connecting groove are inserted, the circular ring, the spring, the through hole and the short rod are arranged, the side of each clamping block away from the inclined surface is in abutment with the surface of the fixed block, at this time, the flange one and the flange two are limited, personnel is not required to continuously hold, misoperation does not cause the flange one and the flange two to deviate, and the flange one and the flange two can be normally fixed through bolts, and the installation efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a front view structural schematic diagram of the utility model;

[0022] Figure 2 It is a front view structural schematic diagram of part of the connecting assembly of the utility model;

[0023] Figure 3 It is a fixed ring internal structure schematic diagram of the utility model;

[0024] Figure 4 It is a back view structural schematic diagram of part of the connecting assembly of the utility model;

[0025] Figure 5 It is an explosion structural schematic diagram of the utility model connecting assembly;

[0026] Figure 6 It is a fixed pipe and protruding ring sectional view structural schematic diagram of the utility model.

[0027] In the drawing: 1, flowmeter body; 2, fixed pipe; 3, flange one; 4, protruding ring; 5, connecting pipe; 6, flange two; 7, connecting assembly; 70, fixed rod; 71, clamping block; 72, fixed ring; 73, connecting groove; 74, cavity; 75, circular ring; 76, through hole; 77, short rod; 78, fixed block; 79, spring; 8, connecting assembly; 80, rotating rod; 81, arc-shaped groove; 82, abutment rod. DETAILED DESCRIPTION

[0028] As Figures 1-6As shown, the utility model provides a kind of technical scheme: a kind of anti-vibration vortex flowmeter, including flowmeter body 1, the surface of flowmeter body 1 is fixed with fixed tube 2, the inside of fixed tube 2 is fixed with protruding ring 4, the surface of fixed tube 2 is equipped with flange one 3, the side of flange one 3 away from flowmeter body 1 is equipped with connecting pipe 5, the surface of connecting pipe 5 is equipped with flange two 6, flange one 3, flange two 6 surface is equipped with connecting assembly 7 and linkage assembly 8;Connecting assembly 7 includes: fixed rod 70, clamping block 71, fixed ring 72, connecting groove 73, cavity 74, circular ring 75, through-hole 76, short rod 77, fixed block 78, spring 79.

[0029] Fixed rod 70 is fixed on the surface of flange two 6, the surface of fixed rod 70 is fixed with clamping block 71, the surface of flange one 3 is fixed with fixed ring 72, the inside of fixed ring 72 is equipped with connecting groove 73, the inside of fixed ring 72 is equipped with cavity 74, the inner wall of cavity 74 is rotatably connected with circular ring 75, the surface of circular ring 75 is equipped with through-hole 76, the inner wall of through-hole 76 is in contact with short rod 77, the surface of short rod 77 is fixed with fixed block 78, fixed block 78 is slidably connected on the inner wall of connecting groove 73, connecting groove 73 and cavity 74 are interconnected, the surface of fixed block 78 is fixed with spring 79, one end of spring 79 away from fixed block 78 is fixed on the inner wall of cavity 74, one end of clamping block 71 away from fixed rod 70 is provided as inclined plane, through-hole 76 is provided as arc, fixed rod 70, clamping block 71 and connecting groove 73 are inserted, through circular ring 75, spring 79, through-hole 76, short rod 77, the side of clamping block 71 away from inclined plane is in contact with the surface of fixed block 78, that is, it can be limited mutually, at this time, flange one 3 and flange two 6 are limited mutually, without personnel continuously holding, and misoperation also cannot cause flange one 3 and flange two 6 to deviate, at this time, it can be normally fixed by bolt, improves installation efficiency.

[0030] Linkage assembly 8 includes rotating rod 80, four groups of fixed blocks 78 are provided, and the four groups of fixed blocks 78 are circularly arrayed with the center of fixed ring 72 as the axis, rotating rod 80 penetrates one group of the four groups of fixed blocks 78, one end of rotating rod 80 away from fixed block 78 penetrates fixed ring 72, and rotating rod 80 is rotatably connected with fixed ring 72, the surface of rotating rod 80 is equipped with arc slot 81, the inside of fixed block 78 is fixed with contact rod 82, one end of contact rod 82 away from fixed ring 72 extends into arc slot 81, and the surface of contact rod 82 is in contact with the inner wall of arc slot 81, rotating rotating rod 80, at this time, the surface of contact rod 82 is in contact with the inner wall of arc slot 81, that is, it can drive fixed block 78 to move away from clamping block 71, that is, it can be through short rod 77, spring 79, through-hole 76, so that each fixed block 78 is separated from clamping block 71 and is released from the limit, at this time, flange one 3 and flange two 6 can be normally separated.

[0031] When installing, the fixed rod 70, the clamping block 71 and the connecting groove 73 are inserted, at this time, the inclined surface of the clamping block 71 is in contact with the surface of the fixed block 78, at this time, the fixed block 78 moves into the cavity 74, the spring 79 is compressed, and at the same time, when the fixed block 78 moves, the short rod 77 moves synchronously, at this time, the surface of the short rod 77 is in contact with the inner wall of the through hole 76, so as to drive the ring 75 to rotate clockwise, that is, to synchronously drive each short rod 77 and the fixed block 78 to move, thereby improving the consistency of movement, when the clamping block 71 is separated from the fixed block 78, at this time, the spring 79 is released, so as to drive the fixed block 78 to reset, through the ring 75 and the through hole 76, each fixed block 78 is reset, at this time, the side of the clamping block 71 away from the inclined surface is in contact with the surface of the fixed block 78, so as to limit each other, at this time, the flange one 3 and the flange two 6 are limited, without the need for personnel to continuously hold, and even if the flange one 3 and the flange two 6 are offset, the flange one 3 and the flange two 6 can be normally fixed through bolts, thereby improving the installation efficiency, when disassembling, the bolts are removed, and at the same time, the rotating rod 80 is rotated, at this time, the surface of the abutting rod 82 is in contact with the inner wall of the arc-shaped groove 81, so as to drive the fixed block 78 to move away from the clamping block 71, that is, to remove the limitation of each fixed block 78 on the clamping block 71 through the short rod 77, the spring 79 and the through hole 76, at this time, the flange one 3 and the flange two 6 can be normally separated, the protruding ring 4 is filled with hydraulic oil, when the liquid passes through the fixed pipe 2, the impact force of the liquid on the protruding ring 4 is weakened, so as to better damp the liquid, and the vibration force in the liquid is absorbed through the hydraulic oil, thereby achieving the purpose of anti-vibration.

[0032] The above is a detailed description of the utility model, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, without departing from the spirit of the utility model, the modifications or improvements are within the scope of protection of the utility model.

Claims

1. A vibration-resistant vortex flowmeter comprising a flowmeter body (1) characterized by: The surface of the flowmeter body (1) is fixed with a fixed pipe (2), the inner side of the fixed pipe (2) is fixed with a convex ring (4), the surface of the fixed pipe (2) is provided with a flange (3), the side away from the flowmeter body (1) of the flange (3) is provided with a connecting pipe (5), the surface of the connecting pipe (5) is provided with a flange (6), the surface of the flange (3) and the flange (6) is provided with a connecting assembly (7) and a linkage assembly (8). The connecting assembly (7) comprises: A fixed rod (70) is used to stabilize the flange (3) and the flange (6); A clamping block (71) is used for limiting; A fixed ring (72) is used for inserting the fixed rod (70) and the clamping block (71).

2. A vortex flowmeter of the type described in claim 1 wherein: The surface of the fixed rod (70) is fixed with a clamping block (71), the surface of the flange (3) is fixed with a fixed ring (72), the inner side of the fixed ring (72) is provided with a connecting groove (73), the inside of the fixed ring (72) is provided with a cavity (74), the inner wall of the cavity (74) is rotatably connected with a circular ring (75), the surface of the circular ring (75) is provided with a through hole (76), the inner wall of the through hole (76) is abutted with a short rod (77), the surface of the short rod (77) is fixed with a fixed block (78), the fixed block (78) is slidably connected with the inner wall of the connecting groove (73), the connecting groove (73) and the cavity (74) are communicated, the surface of the fixed block (78) is fixed with a spring (79), one end of the spring (79) away from the fixed block (78) is fixed on the inner wall of the cavity (74).

3. A vortex flowmeter of the type described in claim 2 wherein: The linkage assembly (8) comprises a rotating rod (80), the fixed block (78) is provided with four groups, and the four groups of fixed blocks (78) are circumferentially arranged with the center of the fixed ring (72) as the axis, the rotating rod (80) penetrates one of the four groups of fixed blocks (78), one end of the rotating rod (80) away from the fixed block (78) penetrates the fixed ring (72), and the rotating rod (80) is rotatably connected with the fixed ring (72), the surface of the rotating rod (80) is provided with an arc-shaped groove (81), the inner side of the fixed block (78) is fixed with an abutting rod (82).

4. A vortex flowmeter of the type described in claim 1 wherein: One end of the clamping block (71) away from the fixed rod (70) is provided as an inclined surface.

5. A vortex flowmeter of the type described in claim 2 wherein: The through hole (76) is provided as an arc shape.

6. A vortex flowmeter of the type described in claim 1 wherein: The inside of the convex ring (4) is provided as a hollow shape.

7. A vortex flowmeter of the type described in claim 3 wherein: One end of the abutting rod (82) away from the fixed ring (72) extends into the arc-shaped groove (81), and the surface of the abutting rod (82) abuts with the inner wall of the arc-shaped groove (81).

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