CN215491879U

CN215491879U - Durable metal rotor flowmeter

Info

Publication number: CN215491879U
Application number: CN202121817475.1U
Authority: CN
Inventors: 范卫东
Original assignee: Suzhou Chemical Instrument Co ltd
Current assignee: Suzhou Chemical Instrument Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2022-01-11
Anticipated expiration: 2031-08-05

Abstract

The utility model discloses a durable metal rotameter which comprises a taper pipe and a display, wherein a magnetic coupling rod is fixedly connected to one side of the display, which is close to the taper pipe. According to the utility model, the taper pipe, the first connecting flange, the second connecting flange, the bent pipe and the connecting pipe are arranged, the side walls of the first connecting flange and the second connecting flange are provided with the annular clamping grooves, the sealing rings are arranged in the annular clamping grooves, so that the metal rotor flow meter can be used for connecting two pipelines which are not on the same straight line, and can be clamped in the annular clamping grooves through the sealing rings, so that the sealing effect of the connection part of the metal rotor flow meter and the pipelines is better, and finally, the filtering device is arranged in the second connecting flange, so that when fluid with solid particles is measured, the fine particles can be adsorbed, the accuracy of measurement is ensured, meanwhile, the taper pipe can be prevented from being corroded by the solid particles for a long time, and the metal rotor flow meter is more durable.

Description

Durable metal rotor flowmeter

Technical Field

The utility model relates to the technical field of flowmeters, in particular to a durable metal rotor flowmeter.

Background

The metallic rotameter is a kind of variable area flowmeter, in a vertical taper pipe which is enlarged from bottom to top, the gravity of float with circular cross section is borne by fluid power, the float can freely rise and fall in the taper pipe, and can move up and down under the action of flow speed and buoyancy, after balancing with the weight of float, it can be transmitted to dial by means of magnetic coupling to indicate flow, generally divided into glass and metallic rotameters, and the metallic rotameter is the most commonly used in industry.

The existing metal rotameter can measure different media, the different media have different properties, when the liquid media are measured, a small amount of solid particles can be doped in some liquid, and the particles can erode the inner wall of the taper pipe of the metal rotameter over time, so that the metal rotameter is not durable. In addition, the existing metal rotameters are generally divided into horizontal installation and vertical installation, but the metal rotameters can only be connected with two pipelines positioned on the same straight line, if the two pipelines belong to a vertical relation, a special pipeline needs to be customized for connection, and the sealing performance of the flange of the existing metal rotameter is poor when the flange of the existing metal rotameter is connected with the pipeline, so that the durable metal rotameter is provided by the utility model.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a durable metal rotameter.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a durable type metal rotameter, includes taper pipe and display, one side fixedly connected with magnetic coupling pole that the display is close to the taper pipe, magnetic coupling pole and taper pipe lateral wall fixed connection, the inside float that is equipped with of taper pipe, float top fixedly connected with guide bar, taper pipe top fixedly connected with connecting pipe, the connecting pipe top is equipped with the return bend, the one end that the connecting pipe was kept away from to the return bend is connected with first flange, taper pipe bottom fixedly connected with second flange, a plurality of connecting holes have all been seted up in first flange and the second flange outside.

Further, a plurality of connecting rods of taper pipe inside wall top fixedly connected with are a plurality of the common fixedly connected with sleeve pipe of one end that the taper pipe inside wall was kept away from to the connecting rod, the guide bar top pass the sleeve pipe and with sleeve pipe sliding connection, taper pipe inside wall bottom is equipped with the spacing collar.

Furthermore, a flange is arranged at one end of the bent pipe, which is positioned in the connecting pipe, a rotating groove is formed in the top end of the connecting pipe, and the flange is connected with the rotating groove in a sealing and rotating mode.

Further, a plurality of spherical grooves have been seted up to the flange lateral wall, and is a plurality of the inside ball that all is equipped with of spherical groove, rotate the inslot lateral wall and seted up the semicircle annular groove, ball and semicircle annular groove sliding connection.

Furthermore, annular clamping grooves are formed in one side, away from the bent pipe, of the first connecting flange and the lower surface of the second connecting flange, and sealing rings are clamped inside the annular clamping grooves.

Furthermore, a concave table is arranged in the middle of the bottom end of the second connecting flange, and a filtering device is clamped inside the concave table.

The utility model has the beneficial effects that:

when the metal rotameter is used, the taper pipe, the first connecting flange, the second connecting flange, the bent pipe and the connecting pipe are arranged, the side walls of the first connecting flange and the second connecting flange are provided with the annular clamping grooves, the sealing rings are arranged in the annular clamping grooves, so that the metal rotameter can be connected with two pipelines which are not on the same straight line, the sealing effect of the joint of the metal rotameter and the pipelines is better due to the fact that the sealing rings are clamped in the annular clamping grooves, finally, the filtering device is arranged inside the second connecting flange, when fluid with solid particles is measured, the fine particles can be adsorbed, the measuring accuracy is guaranteed, meanwhile, the taper pipe can be prevented from being corroded by the solid particles for a long time, and the metal rotameter is more durable.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a main sectional view of the present invention;

fig. 3 is an enlarged view of the utility model at a.

Illustration of the drawings:

1. a taper pipe; 2. a display; 3. a magnetic coupling rod; 4. a float; 5. a guide bar; 6. a connecting rod; 7. a sleeve; 8. a limiting ring; 9. a connecting pipe; 10. bending the pipe; 11. a flange; 12. a rotating groove; 13. a spherical groove; 14. a ball bearing; 15. a semi-circular groove; 16. a first connecting flange; 17. a second connecting flange; 18. connecting holes; 19. an annular neck; 20. a seal ring; 21. a concave platform; 22. and (4) a filtering device.

Detailed Description

Fig. 1 to 3 show, relate to a durable type metal rotameter, including taper pipe 1 and display 2, display 2 is close to one side fixedly connected with magnetic coupling pole 3 of taper pipe 1,

magnetic coupling pole

3 and 1 lateral wall fixed connection of taper pipe, 1 inside float 4 that is equipped with of taper pipe, 4 top fixedly connected with guide bar 5 of float, 1 top fixedly connected with connecting pipe 9 of taper pipe, connecting pipe 9 top is equipped with return bend 10, the one end that connecting pipe 9 was kept away from to return bend 10 is connected with

first flange

16, 1 bottom fixedly connected with second flange 17 of taper pipe, a plurality of connecting holes 18 have all been seted up in first flange 16 and the second flange 17 outside.

When using durable type metal rotor flow timing, earlier go into filter equipment 22 card concave station 21 in, be connected second flange 17 with fluid pipeline through connecting hole 18 afterwards, rotate return bend 10 afterwards and make first flange 16 be connected with other end pipeline, first flange 16 and second flange 17 when being connected, sealing washer 20 in the ring groove 19 is by extrusion deformation for first flange 16, second flange 17 are better with the sealed effect of pipe connection department. During the measurement, fluid flows in from second flange 17, and when filter equipment 22, the inside solid particle of fluid can be adsorbed by filter equipment 22, prevents that it from influencing the accuracy of measurement, and fluid is in getting into taper pipe 1 back, and float 4 rises, and when float 4 reached the equilibrium with self gravity, magnetic coupling pole 3 can transmit the response data to display 2 and show, and this department is prior art, so concrete content is no longer repeated.

In the further scheme, 1 inboard wall top end fixedly connected with of taper pipe has a plurality of connecting rods 6, and the common fixedly connected with sleeve pipe 7 of one end of 1 inside wall of taper pipe is kept away from to a plurality of connecting rods 6, and 5 tops of guide bar pass sleeve pipe 7 and with sleeve pipe 7 sliding connection, and 1 inside wall bottom of taper pipe is equipped with spacing collar 8 for float 4 can be in 1 interior upper and lower steady removal of taper pipe, can not produce and rock.

In the further scheme, the one end that return bend 10 is located connecting pipe 9 is equipped with flange 11, and rotation groove 12 has been seted up on the inside top of connecting pipe 9, and flange 11 rotates with rotating groove 12 is sealed to be connected for first flange 16 can follow return bend 10 and taper pipe 1 top and rotate, is convenient for be connected with the pipeline of equidirectional not.

In the further scheme, a plurality of spherical grooves 13 have been seted up to 11 lateral walls of flange, and a plurality of spherical grooves 13 are inside all to be equipped with ball 14, rotate 12 inside walls in groove and have seted up semi-circular ring groove 15, ball 14 and semi-circular ring groove 15 sliding connection for the rotation between return bend 10 and the connecting pipe 9 is more smooth and easy.

In a further scheme, the side, far away from the elbow pipe 10, of the first connecting flange 16 and the lower surface of the second connecting flange 17 are both provided with an annular clamping groove 19, a sealing ring 20 is clamped inside the annular clamping groove 19, and the sealing performance of the joint of the metal rotameter and a pipeline is improved.

In the further scheme, concave station 21 has been seted up at second flange 17 bottom middle part, and the inside card of concave station 21 is equipped with filter equipment 22, can adsorb the solid particle in some fluids, prevents that these particles from influencing the accuracy of measurement.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A durable metallic rotameter comprising a cone (1) and a display (2), characterized in that: one side fixedly connected with magnetic coupling pole (3) that display (2) are close to taper pipe (1), magnetic coupling pole (3) and taper pipe (1) lateral wall fixed connection, taper pipe (1) inside is equipped with float (4), float (4) top fixedly connected with guide bar (5), taper pipe (1) top fixedly connected with connecting pipe (9), connecting pipe (9) top is equipped with return bend (10), the one end that connecting pipe (9) were kept away from in return bend (10) is connected with first flange (16), taper pipe (1) bottom fixedly connected with second flange (17), a plurality of connecting holes (18) have all been seted up in first flange (16) and second flange (17) outside.

2. A durable metal rotameter according to claim 1, wherein: the utility model discloses a taper pipe, including taper pipe (1), connecting rod (6), guide bar (5), guide bar (1) and connecting rod (6), taper pipe (1) inside wall top end fixedly connected with a plurality of connecting rods (6), a plurality of the common fixedly connected with sleeve pipe (7) of one end of taper pipe (1) inside wall is kept away from in connecting rod (6), the sleeve pipe (7) is passed on guide bar (5) top and with sleeve pipe (7) sliding connection, taper pipe (1) inside wall bottom is equipped with spacing collar (8).

3. A durable metal rotameter according to claim 1, wherein: the one end that return bend (10) are located connecting pipe (9) is equipped with flange (11), rotation groove (12) have been seted up on the inside top of connecting pipe (9), flange (11) are connected with rotation groove (12) sealed rotation.

4. A durable metal rotameter according to claim 3, wherein: a plurality of spherical grooves (13) have been seted up to flange (11) lateral wall, and is a plurality of spherical groove (13) inside all is equipped with ball (14), rotate groove (12) inside wall and seted up semi-circular ring groove (15), ball (14) and semi-circular ring groove (15) sliding connection.

5. A durable metal rotameter according to claim 1, wherein: annular clamping groove (19) have all been seted up to one side that return bend (10) were kept away from in first flange (16) and second flange (17) lower surface, annular clamping groove (19) inside card is equipped with sealing washer (20).

6. A durable metal rotameter according to claim 1, wherein: concave station (21) has been seted up in second flange (17) bottom middle part, inside card of concave station (21) is equipped with filter equipment (22).