CN219200541U

CN219200541U - Miniature high-precision metal tube float flowmeter

Info

Publication number: CN219200541U
Application number: CN202320748347.9U
Authority: CN
Inventors: 邱殿东; 袁永福; 张宏成; 李娇
Original assignee: Chengde Huitong Chemical Equipment Co ltd
Current assignee: Chengde Huitong Chemical Equipment Co ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-06-16
Anticipated expiration: 2033-04-07

Abstract

The utility model belongs to the technical field of metal tube float flowmeters, and particularly relates to a miniature high-precision metal tube float flowmeter, which comprises: the flow meter and the through groove are formed in the top end of the flow meter, the guide ring is inserted into the through groove, the limiting groove is formed in the bottom surface of the inside of the guide ring, the sliding rod is connected in the limiting groove in a sliding mode, and the bottom end of the sliding rod is connected with the floater in a threaded mode; the fixing mechanism is positioned in the guide ring and is used for fixing the guide ring in the through groove; the fixed ring is positioned at the bottom of the inner cavity of the flowmeter and below the floater; the utility model solves the problems that when the miniature metal tube float flowmeter overhauls a float, the disassembly time is long, and the overhauling efficiency is influenced, and solves the problems that when the miniature metal tube float flowmeter is used in a factory, metal scraps and impurities in a measuring fluid can be attached to the float, so that the float floats up and down to generate errors, and the measuring accuracy is influenced.

Description

Miniature high-precision metal tube float flowmeter

Technical Field

The utility model belongs to the technical field of metal tube float flowmeters, and particularly relates to a miniature high-precision metal tube float flowmeter.

Background

The miniature metal tube float flowmeter is also called as a metal tube float flowmeter, and has high accuracy, when in use, the float of the metal tube float flowmeter moves upwards in the measuring tube along with the change of flow, the buoyancy force born by the float at a certain position and the gravity of the float reach balance, at the moment, the circulation annular space area between the float and the pore plate is kept constant, the annular space area is in direct proportion to the rising height of the float, namely the rising position of the float in the measuring tube represents the flow, and the position of the changed float is transmitted to an external indicator by an internal magnet, so that the indicator correctly indicates the flow value at the moment.

For example, chinese patent with publication number CN213714428U discloses a miniature high-precision metal tube float flowmeter, which comprises a flowmeter body, the equal fixedly connected with fixed disk in top and bottom of flowmeter body, the top and the bottom of flowmeter body all are provided with the siphunculus, the equal fixedly connected with sealing disc in one side that the siphunculus is relative, the equal fixedly connected with mounting disc in surface of siphunculus, the equal fixedly connected with supporting shoe in both sides at mounting disc inner chamber top, one side of supporting shoe is through bearing swing joint has the bull stick. According to the utility model, through the cooperation of the flowmeter body, the fixed disc, the through pipe, the sealing disc, the mounting disc, the supporting block, the rotating rod, the hand wheel, the gear, the toothed plate, the clamping rod and the clamping block, the utility model has the advantage of convenient disassembly, and solves the problems that the measurement precision of the metal tube float flowmeter is easily influenced because the existing installation mode of the metal tube float flowmeter is mostly fixed by adopting the fixed bolts, and the disassembly and the cleaning of the metal tube float flowmeter are inconvenient.

The above patent has the following problems:

this patent suffers from several drawbacks in use, such as: above-mentioned miniature tubular metal resonator float flowmeter is when overhauling inside float, need take out the east and west of fixed float with the help of the instrument, then take out the guide ring of float, can take out the float afterwards, this kind of dismantlement mode needs time longer, influence the efficiency of overhauling, and miniature tubular metal resonator float flowmeter is when mill's use, when the inside metal piece and the impurity that exists of its measuring fluid, metal piece and impurity can adhere to the float, when the impurity that adheres to on the float is too much, the float receives the influence of metal piece and impurity, the upper and lower floating produces the error, influence measurement accuracy, in view of this, we propose miniature high accuracy tubular metal resonator float flowmeter.

Disclosure of Invention

The utility model aims to solve the technical problems that the micro high-precision metal tube float flowmeter solves the problems that when the micro metal tube float flowmeter overhauls a float, the time required for disassembly is long, and the overhauling efficiency is influenced, and solves the problems that when the micro metal tube float flowmeter is used in a factory, metal scraps and impurities in a measuring fluid can be attached to the float, so that the float floats up and down to generate errors, and the measuring precision is influenced.

In view of this, the present utility model provides a miniature high precision metal tube float flowmeter comprising:

the flow meter comprises a flow meter and a through groove, wherein the through groove is formed in the top end of the flow meter, a guide ring is inserted into the through groove, a limit groove is formed in the bottom surface of the inside of the guide ring, a sliding rod is connected in the limit groove in a sliding manner, and a floater is connected to the bottom end of the sliding rod in a threaded manner;

the fixing mechanism is positioned in the guide ring and is used for fixing the guide ring in the through groove;

the fixed ring is positioned at the bottom of the inner cavity of the flowmeter and below the floater;

and the filter assembly is positioned in the fixed ring and is used for filtering metal scraps and impurities passing through the inner cavity of the flowmeter.

Based on the structure, through the fixed establishment who sets up, can let the user fix the guide ring at logical inslot, perhaps remove the restriction to the guide ring through fixed establishment, let the guide ring can follow logical inslot and take out, through spacing groove and the slide bar that set up, let the user can be when taking out the guide ring from logical inslot, the guide ring can drive the float and take out from the inner chamber of flowmeter through spacing groove and slide bar, through the filter unit who sets up, can filter the fluid that gets into in the flowmeter, through the fixed ring of setting, can fix the bottom at the flowmeter inner chamber with filter unit.

Preferably, the fixing mechanism includes:

the two slots are symmetrically arranged on the inner wall of the through slot;

the gear groove is formed in the guide ring, sliding grooves are formed in the two ends of the gear groove, the two sliding grooves are respectively communicated with the two slots, sliding blocks are connected in the sliding grooves in a sliding mode, one ends of the sliding blocks are located in the corresponding slots, gears are connected in the gear groove in a rotating mode, the gears are located between the two sliding blocks, and springs fixed to the inner walls of the gear groove are fixedly connected to the other ends of the sliding blocks;

the rotating wheel is fixedly connected to the top end of the gear, and the top end of the rotating wheel penetrates through the gear groove and extends to the outside.

Further, it is ensured that the user can quickly perform overhaul and maintenance on the float.

Preferably, one side of the sliding block, which is close to the gear, is in a meshing structure, the gear is meshed with the two sliding blocks, the sliding blocks are in plug-in fit with the slots, and one end of each sliding block is obliquely arranged.

Further, it can drive two sliders simultaneously when guaranteeing that the gear rotates to guarantee that the sliders can insert in the slot, simultaneously, ensure that when the user inserts the guide ring in, one end of slider can receive the extrusion of flowmeter inner wall, enters into in the spout from the external world.

Preferably, the filter assembly comprises:

the annular groove is formed in the top of the fixing ring, a magnet is placed in the annular groove, and the top of the annular groove is connected with a filter screen in a threaded manner.

Further, it is ensured that metal chips and impurities in the fluid measured by the flowmeter are not attached to the float, and errors can be prevented when the flowmeter measures the fluid.

Preferably, the magnet is annular structure, the week side fixedly connected with sealing gasket of filter screen.

Further, ensure that the magnet can be better adsorb the metal piece in the fluid on the inner wall of solid fixed ring to ensure that there is not the gap between filter screen and the ring channel, prevent that the fluid from entering into the ring channel inside through between filter screen and the ring channel, reduce the magnetic force of magnet, increased the life of magnet.

Preferably, the fixed ring is in threaded connection with the flowmeter, and a limiting block at the top end of the sliding rod is in a rectangular structure.

Further, the fixing ring can be installed in the bottom of the inner cavity of the flowmeter, and the guide ring can drive the sliding rod to move through the limiting groove.

The beneficial effects of the utility model are as follows:

1. this miniature high accuracy's tubular metal resonator float flowmeter, through the fixed establishment who sets up, can let the user fix the guide ring at logical inslot, perhaps remove the restriction to the guide ring through fixed establishment, let the guide ring can follow logical inslot and take out, through spacing groove and the slide bar that set up, let the user can be when taking out the guide ring from logical inslot, the guide ring can drive the float and take out from the inner chamber of flowmeter through spacing groove and slide bar, when having solved miniature tubular metal resonator float flowmeter and overhauld the float, dismantle the required time longer, influence the problem of the efficiency of overhauling.

2. This miniature high accuracy's tubular metal resonator float flowmeter, through the filter equipment who sets up, can filter the fluid that gets into in the flowmeter, through the solid fixed ring who sets up, can fix filter equipment in the bottom of flowmeter inner chamber, solved miniature tubular metal resonator float flowmeter when the mill uses, metal fragments and impurity in the measured fluid can adhere to on the float, makes the float and produces the error from top to bottom, influences the problem of measuring the precision.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of a flowmeter according to the present utility model;

FIG. 3 is a schematic view of the internal structure of the flowmeter of the present utility model;

FIG. 4 is a schematic view showing the internal structure of the guide ring according to the present utility model;

FIG. 5 is a schematic view of a partial exploded construction of the present utility model;

FIG. 6 is a schematic view of the internal structure of the fixing ring according to the present utility model.

The label in the figure is:

1. a flow meter; 2. a through groove; 3. a guide ring; 4. a limit groove; 5. a slide bar; 6. a float; 7. a fixing ring; 8. a slot; 9. a gear groove; 10. a chute; 11. a gear; 12. a slide block; 13. a spring; 14. a rotating wheel; 15. an annular groove; 16. a magnet; 17. and (3) a filter screen.

Detailed Description

The present application is described in further detail below in conjunction with fig. 1-6.

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe the present application and its embodiments and are not intended to limit the indicated device, element or component to a particular orientation or to be constructed and operated in a particular orientation.

The embodiment of the application discloses miniature high accuracy's tubular metal resonator float flowmeter, include: the flow meter 1 and the through groove 2 are arranged at the top end of the flow meter 1, the guide ring 3 is inserted in the through groove 2, the limiting groove 4 is arranged on the bottom surface inside the guide ring 3, the sliding rod 5 is connected in the limiting groove 4 in a sliding way, and the floater 6 is connected at the bottom end of the sliding rod 5 in a threaded way; the fixing mechanism is positioned in the guide ring 3 and is used for fixing the guide ring 3 in the through groove 2; the fixed ring 7 is positioned at the bottom of the inner cavity of the flowmeter 1 and below the floater 6; the filter assembly is positioned in the fixed ring 7 and is used for filtering metal scraps and impurities passing through the inner cavity of the flowmeter 1.

In one embodiment, the securing mechanism includes: the two slots 8 are symmetrically arranged on the inner wall of the through groove 2; the gear groove 9 is formed in the guide ring 3, sliding grooves 10 are formed in two ends of the gear groove 9, the two sliding grooves 10 are respectively communicated with the two slots 8, sliding blocks 12 are connected in a sliding mode in the sliding grooves 10, one ends of the sliding blocks 12 are located in the corresponding slots 8, the gear groove 9 is connected with a gear 11 in a rotating mode, the gear 11 is located between the two sliding blocks 12, and a spring 13 fixed with the inner wall of the gear groove 9 is fixedly connected to the other end of the sliding block 12; the rotating wheel 14, the rotating wheel 14 is fixedly connected to the top end of the gear 11, and the top end of the rotating wheel 14 penetrates through the gear groove 9 and extends to the outside.

Specifically, when the user needs to overhaul the float 6, the user rotates the rotating wheel 14 by hand, the rotating wheel 14 drives the gear 11 to rotate in the gear groove 9, the gear 11 drives the two sliding blocks 12 to move towards the directions of the two springs 13 respectively, the other ends of the sliding blocks 12 compress the springs 13, when the sliding blocks 12 move to the proper positions, one ends of the sliding blocks 12 enter the sliding grooves 10 from the corresponding slots 8, at the moment, the sliding blocks 12 remove the limitation on the guide ring 3, then the user can withdraw the guide ring 3 from the through groove 2, when the guide ring 3 is withdrawn from the through groove 2, the sliding rod 5 moves downwards along the limiting groove 4 relatively until the limiting block at the top end of the sliding rod 5 is attached to the limiting groove 4, at the moment, the user continues to pull the guide ring 3, the guide ring 3 drives the float 6 to move upwards through the sliding rod 5, when the float 6 moves to the proper positions, the float 6 moves to the outside from the inner cavity of the flowmeter 1, then the user rotates the float 6 by hand, the float 6 is unscrewed from the bottom end of the sliding rod 5, and at the moment, the user can overhaul the float 6.

In this embodiment, it is ensured that the user can quickly perform maintenance on the float 6.

In one embodiment, one side of the sliding block 12, which is close to the gear 11, is in a meshing structure, the gear 11 is meshed with the two sliding blocks 12, the sliding blocks 12 are in plug-in fit with the slots 8, and one end of each sliding block 12 is obliquely arranged.

In this embodiment, it is ensured that the two sliders 12 can be simultaneously driven to move when the gear 11 rotates, and the sliders 12 can be inserted into the slots 8, and meanwhile, when the guide ring 3 is inserted into the through slot 2 by a user, one end of the sliders 12 is extruded by the inner wall of the flowmeter 1, and enters the chute 10 from the outside.

In one embodiment, a filter assembly includes: the annular groove 15, the annular groove 15 is opened at the top of solid fixed ring 7, has placed magnet 16 in the annular groove 15, and the top threaded connection of annular groove 15 has filter screen 17.

Specifically, in use, when the flowmeter 1 measures that metal debris and impurities in the fluid enter the flowmeter 1 through the fixing ring 7, the metal debris in the fluid is adsorbed on the inner wall of the fixing ring 7 under the action of the magnetic force of the magnet 16, and meanwhile, the impurities in the fluid are filtered by the filter screen 17.

In this embodiment, it is ensured that metal chips and impurities in the fluid measured by the flow meter 1 do not adhere to the float 6, and errors in the fluid measurement by the flow meter 1 are prevented.

In one embodiment, the magnet 16 has a ring structure, and a sealing gasket is fixedly connected to the peripheral side of the filter screen 17.

In this embodiment, it is ensured that the magnet 16 can better adsorb metal chips in the fluid on the inner wall of the fixed ring 7, and no gap is ensured between the filter screen 17 and the annular groove 15, so that the fluid is prevented from entering the annular groove 15 through the space between the filter screen 17 and the annular groove 15, the magnetic force of the magnet 16 is reduced, and the service life of the magnet 16 is prolonged.

In one embodiment, the fixing ring 7 is in threaded connection with the flowmeter 1, and the limiting block at the top end of the sliding rod 5 is in a rectangular structure.

In this embodiment, it is ensured that the fixing ring 7 can be installed into the bottom of the inner cavity of the flowmeter 1, and that the guide ring 3 can drive the sliding rod 5 to move through the limiting groove 4.

When the miniature high-precision metal tube float flowmeter of the embodiment is used, when the flowmeter 1 measures that metal scraps and impurities in fluid enter the flowmeter 1 through the fixed ring 7, the metal scraps in the fluid are adsorbed on the inner wall of the fixed ring 7 under the effect of the magnetic force of the magnet 16, meanwhile, the impurities in the fluid are filtered by the filter screen 17, the metal scraps and the impurities in the fluid measured by the flowmeter 1 are prevented from adhering to the float 6, errors can be prevented when the flowmeter 1 measures the fluid, when a user needs to overhaul the float 6, the user rotates the rotating wheel 14 by hand, the rotating wheel 14 drives the gear 11 to rotate in the gear groove 9, the gear 11 drives the two sliding blocks 12 to move towards the directions of the two springs 13 respectively, the other ends of the sliding blocks 12 compress the springs 13, when the sliding blocks 12 move to the proper positions, one end of the sliding block 12 enters the sliding groove 10 from the corresponding slot 8, at the moment, the sliding block 12 releases the limit on the guide ring 3, then a user can withdraw the guide ring 3 from the through groove 2, when the guide ring 3 is withdrawn from the through groove 2, the sliding rod 5 moves downwards relatively along the limit groove 4 until the limit block at the top end of the sliding rod 5 is attached to the limit groove 4, at the moment, the user continues to pull the guide ring 3 to drive the float 6 to move upwards through the sliding rod 5, when the float 6 moves to a proper position, the float 6 moves to the outside from the inner cavity of the flowmeter 1, then the user rotates the float 6 manually to unscrew the float 6 from the bottom end of the sliding rod 5, at the moment, the user can overhaul the float 6, ensure that the user can quickly overhaul and maintain the float 6, after maintenance is completed, the user rotates the float 6 reversely by hand, the float 6 is reinstalled at the bottom end of the sliding rod 5, then, the user holds the guide ring 3 with hand, insert the guide ring 3 into the through groove 2, let the guide ring 3 drive the float 6 through slide bar 5 and enter into flowmeter 1, when the guide ring 3 inserts into the through groove 2, the one end of slider 12 can be received the extrusion of flowmeter 1 inner wall and enter into spout 10 from the external world, the other end of slider 12 can compress spring 13 simultaneously, when the guide ring 3 is gone into completely in the through groove 2, the user rotates the guide ring 3 with hand, when the guide ring 3 rotates suitable position, spout 10 can be linked together with corresponding slot 8, make the one end of slider 12 receive spring 13 resilience effect from spout 10 to enter into slot 8, guide ring 3 is fixed in through inslot 2 at this moment and can't move.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Miniature high accuracy's tubular metal resonator float flowmeter, its characterized in that includes:

the flow meter comprises a flow meter (1) and a through groove (2), wherein the through groove (2) is formed in the top end of the flow meter (1), a guide ring (3) is inserted into the through groove (2), a limit groove (4) is formed in the bottom surface of the inside of the guide ring (3), a slide rod (5) is connected in the limit groove (4) in a sliding mode, and a floater (6) is connected with the bottom end of the slide rod (5) in a threaded mode;

the fixing mechanism is positioned in the guide ring (3) and is used for fixing the guide ring (3) in the through groove (2);

the fixed ring (7) is positioned at the bottom of the inner cavity of the flowmeter (1) and below the floater (6);

the filtering component is positioned in the fixed ring (7) and is used for filtering metal scraps and impurities passing through the inner cavity of the flowmeter (1).

2. The miniature high precision metal tube float flowmeter of claim 1 wherein said securing mechanism comprises:

the two slots (8) are symmetrically arranged on the inner wall of the through groove (2);

the gear groove (9), the gear groove (9) is arranged in the guide ring (3), the two ends of the gear groove (9) are respectively provided with a sliding groove (10), the two sliding grooves (10) are respectively communicated with the two slots (8), the sliding grooves (10) are slidably connected with sliding blocks (12), one ends of the sliding blocks (12) are positioned in the corresponding slots (8), the gear groove (9) is rotationally connected with a gear (11), the gear (11) is positioned between the two sliding blocks (12), and the other ends of the sliding blocks (12) are fixedly connected with springs (13) fixed with the inner walls of the gear groove (9);

the rotating wheel (14), the top of rotating wheel (14) fixed connection at gear (11), and the top of rotating wheel (14) runs through gear groove (9) and extends to the external world.

3. The miniature high-precision metal tube float flowmeter of claim 2, wherein: one side of the sliding block (12) close to the gear (11) is in a meshing structure, the gear (11) is meshed with the two sliding blocks (12), the sliding blocks (12) are in plug-in fit with the slots (8), and one end of each sliding block (12) is obliquely arranged.

4. The miniature high precision metal tube float flowmeter of claim 1 wherein said filter assembly comprises:

the annular groove (15), annular groove (15) is offered at the top of solid fixed ring (7), place magnet (16) in annular groove (15), the top threaded connection of annular groove (15) has filter screen (17).

5. The miniature high-precision metal tube float flowmeter of claim 4, wherein: the magnet (16) is of an annular structure, and a sealing gasket is fixedly connected to the periphery of the filter screen (17).

6. The miniature high-precision metal tube float flowmeter of claim 1, wherein: the fixed ring (7) is in threaded connection with the flowmeter (1), and a limiting block at the top end of the sliding rod (5) is of a rectangular structure.