CN211121380U - Three-rotor flow meter - Google Patents

Abstract

The utility model discloses a three-rotor flow meter, including the flowmeter body, filtration, collection sediment structure, connection structure and connection reinforced structure, the flowmeter body is three-rotor flow meter of glass, and the filtration correspondence sets up in the bottom inlet department of the flowmeter body, and collection sediment structure sets up in the bottom mouth of pipe department of filtration, and the connection structure correspondence sets up in the upper end liquid outlet department of the flowmeter body, connects on the lateral wall that reinforced structure symmetry set up connection structure, and corresponds the setting with connection structure, wherein: still include scale mark and flange connection pad, the vertical correspondence of scale mark sets up on the outer arc wall of the flowmeter body, this three-rotor flow meter, each partial structural design is ingenious, and the erection joint is closely firm between the pipeline, and convenient to detach maintains to can realize the further reinforcement support of junction, accomplish abundant filtration before the liquid input, the clean maintenance of being convenient for has alleviateed personnel's work burden.

Description

Three-rotor flow meter

Technical Field

The utility model relates to a flow detection equipment technical field specifically is a three rotor flow meter.

Background

The rotameter measures the fluid flow according to the throttling principle, but changes the flow area of the fluid to keep the pressure difference between the upper part and the lower part of the rotor constant, so the rotameter is also called as a variable flow area constant differential pressure flowmeter, also called as a float flowmeter, and the three-rotor flowmeter is one of the rotameters, but the traditional three-rotor flowmeter has a plurality of defects, the structural design of each part is not reasonable and ingenious enough, the installation and connection among pipelines are not tight and firm enough, the occurrence of liquid leakage at the connection part can not be avoided, the disassembly and maintenance are inconvenient, the further strengthening and supporting of the connection part can not be realized, the occurrence of the bursting situation caused by the insufficient hydraulic strength of the connection strength can not be avoided, the connection use requirement can not be well ensured, the sufficient filtering before the liquid input can not be realized, the blockage of the meter body can not be avoided, the service life of the device is greatly shortened, the workload of personnel is increased virtually, so that the realization of a three-rotor flow meter capable of solving the problems is imperative.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a three rotor flow meter, each partial structural design is ingenious, and the erection joint is closely firm between the pipeline, and convenient to detach maintains to can realize the further reinforcement support of junction, accomplish the abundant filtration before the liquid input, the clean maintenance of being convenient for has alleviateed personnel's work burden, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a three-rotor flow meter comprises a flow meter body, a filtering structure, a slag collecting structure, a connecting structure and a connecting and reinforcing structure;

a flow meter body: the flow meter body is a glass three-rotor flow meter;

the filtering structure is as follows: the filtering structure is correspondingly arranged at the liquid inlet at the bottom end of the flowmeter body;

the slag collecting structure is as follows: the slag collecting structure is arranged at a pipe orifice at the bottom end of the filtering structure;

the connection structure is as follows: the connecting structure is correspondingly arranged at the liquid outlet at the upper end of the flowmeter body;

connecting a reinforcing structure: the connecting and reinforcing structures are symmetrically arranged on the side walls of the connecting structures and are arranged corresponding to the connecting structures;

wherein: still include scale mark and flange connection pad, the vertical correspondence of scale mark sets up on the outer arc wall of the flowmeter body, the flange connection pad correspondence sets up in the bottom mouth of pipe department of collection sediment structure, each partial structural design is ingenious, the erection joint is closely firm between the pipeline, avoid the junction to take place the emergence of the weeping condition, convenient to detach maintains, and can realize the further reinforcement support of junction, avoid because of the not enough emergence of too big bloated broken condition of joint strength hydraulic strength, the connection user demand has been satisfied, accomplish the abundant filtration before the liquid input, avoid blockking up the meter body, the life of equipment has been prolonged, the clean maintenance of being convenient for, personnel's work burden has been alleviateed.

Further, the filtration includes external thread connecting pipe, internal thread connecting pipe, sealed inserted block, fine filtration block and filter screen, the external thread connecting pipe correspondence sets up in the bottom inlet department of the flowmeter body, internal thread connecting pipe and external thread connecting pipe threaded connection, sealed inserted block sets up on the upper surface of internal thread connecting pipe upper end crown plate, sealed inserted block corresponds identical setting with the sealed slot of flowmeter body bottom surface, the upper end crown plate of internal thread connecting pipe passes through the bolt and is connected with the bottom surface of the flowmeter body, fine filtration block sets up in the bottom mouth of pipe department of external thread connecting pipe through the bolt correspondence, the filter screen sets up in the inside bottom of internal thread connecting pipe, realize infusion pipeline's zonulae occludens, and realize fully filtering the filter residue before the infusion.

Further, collection sediment structure includes L venturi tube, collection sediment pipe and closing cap, L venturi tube correspondence sets up in the bottom mouth of pipe department of internal thread connecting pipe, and communicates with each other with the internal thread connecting pipe, and collection sediment pipe correspondence sets up in the collection sediment mouth department of the horizontal body of L venturi tube, and closing cap threaded connection is in the bottom mouth of pipe department of collection sediment pipe, and flange connection dish corresponds and sets up in the bottom mouth of pipe department of L venturi tube, the clean maintenance of being convenient for.

Further, connection structure includes a liquid outlet internal thread pipe, a butt joint annular plate, a sealing rubber pad, a connection annular plate and a sealing ring, the liquid outlet internal thread pipe corresponds and sets up in the upper end liquid outlet of the flowmeter body, the butt joint annular plate sets up in the inside center department of liquid outlet internal thread pipe, the sealing rubber pad corresponds and sets up on the upper surface of butt joint annular plate, the central axis coincidence of butt joint annular plate and sealing rubber pad, the connection annular plate corresponds and sets up in the outer arc wall top of liquid outlet internal thread pipe, all be equipped with mounting bolt in the mounting hole of connection annular plate wall body outside evenly distributed, the sealing ring correspondence sets up in the upper surface inside of connecting the annular plate, realize the quick zonulae occludens of pipeline.

Further, connect reinforced structure and include brace plate, axis of rotation, gusset plate and reinforcing band cap screw rod, the brace plate symmetry sets up on the outer arc wall of connecting the ring board, and the bottom of axis of rotation is passed through the bearing and is connected with the rotation of the brace plate upper end that corresponds, and the gusset plate sets up in the outer arc wall upper end of the axis of rotation that corresponds, and reinforcing band cap screw rod sets up in the gusset plate body reinforcing hole that corresponds, realizes the reinforcement support of junction.

Furthermore, the supporting frame further comprises reinforcing ribs, wherein the reinforcing ribs are correspondingly arranged at the joint of the outer arc wall of the connecting circular ring plate and the bottom surface of the supporting frame plate, so that the bearing strength of the joint is enhanced.

Compared with the prior art, the beneficial effects of the utility model are that: the three-rotor flow meter has the following advantages:

1. the method is characterized in that a fine filter screen is correspondingly arranged at the bottom pipe orifice of an external thread connecting pipe through a bolt, an internal thread connecting pipe is in threaded connection with the external thread connecting pipe, until a sealing insert is correspondingly matched with a sealing slot on the bottom surface of a flowmeter body, an upper end ring plate of the internal thread connecting pipe is connected with the bottom surface of the flowmeter body through the bolt, the contact area is increased, thereby improving the sealing effect, an external liquid inlet pipe is connected with the bottom pipe orifice of an L-shaped pipe through a flange plate, an external liquid outlet pipe is connected with an internal thread liquid outlet pipe, until the bottom end of the external liquid outlet pipe is in close contact with a butt ring plate under the action of a sealing rubber pad, under the close action of a sealing ring, a fixing piece of the external liquid outlet pipe is tightly connected with a connecting ring plate through a mounting bolt connected to the outer side of the wall body of the ring plate, rapid tight connection is realized, the area is increased, thereby improving the connection sealing effect, the occurrence of liquid leakage at the connection position is avoided, the occurrence of the firm connection condition because the bottom end of the fixing piece is rotatably connected with the upper end of a corresponding strut plate through a bearing, the rotating shaft is rotatably connected with the fixing piece through the nut, the rotating shaft, the rotating strength of the fixing piece is further, the reinforcing the connecting piece, the condition can be prevented from the occurrence of.

2. Liquid is from the bottom input, filter the separation layer upon layer through fine filter screen and filter screen, accomplish the filtration of the inside large granule material of liquid, most material through filter screen filtering is detained in the bottom of filter screen, and the collection exists the sediment pipe under the effect of dead weight, regularly can release internal thread connecting pipe and external screw thread connecting pipe threaded connection, it is clean with the filter residue of the inside upper end of internal thread connecting pipe, open the closing cap, the filter residue that the intraductal collection of sediment of will gathering deposits is clean, play the abundant filtration before the liquid input, avoid blocking up the meter body, the life of equipment has been prolonged, be convenient for clean the maintenance, personnel's work burden has been alleviateed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal cross-sectional plane structure of the filtering structure of the present invention;

fig. 3 is a schematic view of the internal sectional plane structure of the connection structure of the present invention.

In the figure, 1 flow meter body, 2 filtering structure, 21 external thread connecting pipe, 22 internal thread connecting pipe, 23 sealing insert block, 24 fine filtering sealing net, 25 filtering net, 3 slag collecting structure, 31L shaped pipe, 32 slag collecting pipe, 33 sealing cover, 4 connecting structure, 41 liquid outlet internal thread pipe, 42 butt joint ring plate, 43 sealing rubber gasket, 44 connecting ring plate, 45 sealing ring, 5 connecting reinforcing structure, 51 supporting plate, 52 rotating shaft, 53 reinforcing plate, 54 reinforcing screw with cap, 6 scale mark, 7 flange connecting plate and 8 reinforcing rib.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a three-rotor flow meter comprises a flow meter body 1, a filtering structure 2, a slag collecting structure 3, a connecting structure 4 and a connecting reinforcing structure 5;

the flowmeter body 1: the flowmeter body 1 is a glass three-rotor flowmeter, liquid is injected through a liquid inlet at the bottom end of the flowmeter body 1 and flows into an internal conical cavity, differential pressure is generated on the upper end surface and the lower end surface of the three rotors under the throttling action to form ascending force acting on the three rotors, so that the three rotors move upwards, the annular flow area between the rotors and the conical cavity is increased along with the upward movement of the three rotors, the liquid flow speed is slowed down until balance is achieved, and the balance height represents the flow value of the measured liquid;

the filtering structure 2: the filter structure 2 is correspondingly arranged at the bottom end liquid inlet of the flowmeter body 1, the filter structure 2 comprises an external thread connecting pipe 21, an internal thread connecting pipe 22, a sealing insert block 23, a fine filter sealing net 24 and a filter net 25, the external thread connecting pipe 21 is correspondingly arranged at the bottom end liquid inlet of the flowmeter body 1, the internal thread connecting pipe 22 is in threaded connection with the external thread connecting pipe 21, the sealing insert block 23 is arranged on the upper surface of an upper end annular plate of the internal thread connecting pipe 22, the sealing insert block 23 is correspondingly matched with a sealing slot at the bottom surface of the flowmeter body 1, the upper end annular plate of the internal thread connecting pipe 22 is connected with the bottom surface of the flowmeter body 1 through a bolt, the fine filter sealing net 24 is correspondingly arranged at a bottom end pipe orifice of the external thread connecting pipe 21 through a bolt, the filter net 25 is arranged at the inner bottom end of the internal, the internal thread connecting pipe 22 is in threaded connection with the external thread connecting pipe 21 until the sealing insert block 23 is correspondingly matched with the sealing slot on the bottom surface of the flowmeter body 1, an upper end ring plate of the internal thread connecting pipe 22 is connected with the bottom surface of the flowmeter body 1 through bolts, the contact area is increased, so that the sealing effect is improved, liquid is input from the bottom, is filtered and separated layer by layer through the fine filter sealing net 24 and the filter net 25, large granular substances in the liquid are filtered, most substances filtered by the filter net 25 are retained at the bottom end of the filter net 25, the internal thread connecting pipe 22 and the external thread connecting pipe 21 can be released periodically, filter residues at the upper end in the internal thread connecting pipe 22 are cleaned, full filtration before liquid input is achieved, the blockage of the flowmeter body is avoided, the service life of equipment is prolonged, cleaning and maintenance are convenient;

the slag collecting structure 3 is arranged at a bottom end pipe orifice of the filtering structure 2, the slag collecting structure 3 comprises an L-shaped pipe 31, a slag collecting pipe 32 and a sealing cover 33, the L-shaped pipe 31 is correspondingly arranged at the bottom end pipe orifice of the internal thread connecting pipe 22 and is communicated with the internal thread connecting pipe 22, the slag collecting pipe 32 is correspondingly arranged at a slag collecting orifice of a transverse pipe body of the L-shaped pipe 31, the sealing cover 33 is in threaded connection with the bottom end pipe orifice of the slag collecting pipe 32, the flange connection plate 7 is correspondingly arranged at the bottom end pipe orifice of the L-shaped pipe 31, the slag collecting pipe 32 is collected under the action of self weight of the filter residues, the sealing cover 33 is periodically opened, the filter residues collected in the slag collecting pipe 32 are cleaned, the cleaning and maintenance are convenient, and the;

the connecting structure 4: the connecting structure 4 is correspondingly arranged at a liquid outlet at the upper end of the flowmeter body 1, the connecting structure 4 comprises a liquid outlet internal thread pipe 41, a butt joint annular plate 42, a sealing rubber gasket 43, a connecting annular plate 44 and a sealing ring 45, the liquid outlet internal thread pipe 41 is correspondingly arranged at the liquid outlet at the upper end of the flowmeter body 1, the butt joint annular plate 42 is arranged at the inner center of the liquid outlet internal thread pipe 41, the sealing rubber gasket 43 is correspondingly arranged on the upper surface of the butt joint annular plate 42, the central axes of the butt joint annular plate 42 and the sealing rubber gasket 43 are superposed, the connecting annular plate 44 is correspondingly arranged at the top end of the outer arc wall of the liquid outlet internal thread pipe 41, mounting bolts are respectively arranged in uniformly distributed mounting holes on the outer side of the wall body of the connecting annular plate 44, the sealing ring 45 is correspondingly arranged on the inner side of the upper surface of the connecting annular plate 44, the external liquid outlet pipe is connected with the liquid outlet internal thread pipe 41 until the bottom end, under the tight action of the sealing ring 45, the fixing piece of the external liquid outlet pipe is tightly connected with the connecting circular plate 44 through the mounting bolt on the outer side of the wall body of the connecting circular plate 44, so that the quick tight connection is realized, the tight contact area is increased, the connection sealing effect is improved, and the liquid leakage at the connection part is avoided;

connecting and reinforcing structure 5: the connection reinforcing structure 5 is symmetrically arranged on the side wall of the connecting structure 4 and is arranged corresponding to the connecting structure 4, the connection reinforcing structure 5 comprises support frame plates 51, rotating shafts 52, reinforcing plates 53 and reinforcing cap screws 54, the support frame plates 51 are symmetrically arranged on the outer arc wall of the connecting circular plate 44, the bottom ends of the rotating shafts 52 are rotatably connected with the upper ends of the corresponding support frame plates 51 through bearings, the reinforcing plates 53 are arranged at the upper ends of the outer arc walls of the corresponding rotating shafts 52, the reinforcing cap screws 54 are arranged in the reinforcing holes of the plate bodies of the corresponding reinforcing plates 53, as the bottom ends of the rotating shafts 52 are rotatably connected with the upper ends of the corresponding support frame plates 51 through bearings, the rotating shafts 52 are swung to align the reinforcing cap screws 54 with the fixing parts of the external liquid outlet pipes, and then the reinforcing plates 53 are connected with the fixing parts of the external liquid outlet pipes through the reinforcing cap screws 54, so as to realize further reinforcing support of the, the expansion and breakage caused by insufficient connection strength and overlarge hydraulic strength are avoided, the connection use requirements are met, the connection is realized in a holding force manner in the vertical direction, and the fixation cannot be influenced by axial rotation;

wherein: still include scale mark 6 and flange connection pad 7, scale mark 6 is convenient for directly perceivedly know the flow size of being surveyed liquid, and flange connection pad 7 is convenient for the pipe connection, and 6 vertical correspondences of scale mark set up on the outer arc wall of flowmeter body 1, and flange connection pad 7 corresponds and sets up in the bottom nozzle department of collection sediment structure 3.

Wherein: the bearing device further comprises a reinforcing rib 8, the reinforcing rib 8 is used for enhancing the bearing force of the joint of the outer arc wall of the connecting circular ring plate 44 and the bottom surface of the strut plate 51, and the reinforcing rib 8 is correspondingly arranged at the joint of the outer arc wall of the connecting circular ring plate 44 and the bottom surface of the strut plate 51.

When the device is used, a fine filter sealing net 24 is correspondingly arranged at the bottom end pipe orifice of an external thread connecting pipe 21 through a bolt, an internal thread connecting pipe 22 is in threaded connection with the external thread connecting pipe 21 until a sealing insert 23 is correspondingly matched with a sealing slot on the bottom surface of a flowmeter body 1, an upper end ring plate of the internal thread connecting pipe 22 is connected with the bottom surface of the flowmeter body 1 through the bolt, the contact area is increased, so that the sealing effect is improved, an external liquid inlet pipe is connected with the bottom end pipe orifice of an L-shaped pipe 31 through a flange connecting disc 7, an external liquid outlet pipe is connected with a liquid outlet internal thread pipe 41 until the bottom end of the external liquid outlet pipe is in close contact with a butt ring plate 42 under the action of a sealing rubber gasket 43, under the close action of a sealing ring 45, the fixing piece of the external liquid outlet pipe is tightly connected with a connecting ring plate 44 through an installation bolt on the outer side of the wall of the connecting ring plate 44, so that the quick close connection is realized, the close contact area is increased, so that the close contact effect is improved, the condition that the leakage at the connection is avoided, the occurrence of the condition that the condition of leakage at the condition of the condition that the condition of the occurrence of the leakage of the connection of the leakage of the connection of the liquid leakage at the connection of the bottom end of the connection of a filter collecting pipe is avoided because the bottom end of a filter collecting pipe is prevented because the bottom end of a filter is prevented by rotating shaft 52 is rotated with an upper end of a filter head corresponding upper end face of a filter plate 51, the filter head and a filter head of a filter head is rotated and a filter head, the filter head is prevented from the filter head, the filter head of a large filter head, the filter head of a large filter head of a filter head, the large filter head of a large filter head of.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A three-rotor flow meter, comprising: comprises a flowmeter body (1), a filtering structure (2), a slag collecting structure (3), a connecting structure (4) and a connecting and reinforcing structure (5);

flow meter body (1): the flowmeter body (1) is a glass three-rotor flowmeter;

filter structure (2): the filtering structure (2) is correspondingly arranged at a liquid inlet at the bottom end of the flowmeter body (1);

slag collection structure (3): the slag collecting structure (3) is arranged at the bottom end pipe orifice of the filtering structure (2);

connection structure (4): the connecting structure (4) is correspondingly arranged at the liquid outlet at the upper end of the flowmeter body (1);

connecting and reinforcing structure (5): the connecting and reinforcing structures (5) are symmetrically arranged on the side walls of the connecting structures (4) and are arranged corresponding to the connecting structures (4);

wherein: still include scale mark (6) and flange connection pad (7), the vertical correspondence of scale mark (6) sets up on the outer arc wall of the flowmeter body (1), and flange connection pad (7) correspond and set up in the bottom mouth of pipe department of collection sediment structure (3).

2. A three-rotor flow meter according to claim 1, wherein: filtration (2) are including external screw thread connecting pipe (21), internal thread connecting pipe (22), sealed inserted block (23), carefully filter screen sealing (24) and filter screen (25), external screw thread connecting pipe (21) correspond and set up in the bottom inlet department of the flowmeter body (1), internal screw thread connecting pipe (22) and external screw thread connecting pipe (21) threaded connection, sealed inserted block (23) set up on the upper surface of internal screw thread connecting pipe (22) upper end crown plate, sealed inserted block (23) correspond with the sealed slot of flowmeter body (1) bottom surface and coincide the setting, the upper end crown plate of internal screw thread connecting pipe (22) passes through the bolt and is connected with the bottom surface of the flowmeter body (1), carefully filter screen sealing (24) and correspond through the bolt and set up in the bottom department of external screw thread connecting pipe (21), filter screen (25) set up in the inside bottom of internal screw thread connecting pipe (22).

3. The three-rotor flow meter according to claim 2, wherein the slag collecting structure (3) comprises L-shaped pipes (31), a slag collecting pipe (32) and a sealing cover (33), the L-shaped pipe (31) is correspondingly arranged at the bottom end pipe orifice of the internal thread connecting pipe (22) and communicated with the internal thread connecting pipe (22), the slag collecting pipe (32) is correspondingly arranged at the slag collecting orifice of the transverse pipe body of the L-shaped pipe (31), the sealing cover (33) is in threaded connection with the bottom end pipe orifice of the slag collecting pipe (32), and the flange connection disc (7) is correspondingly arranged at the bottom end pipe orifice of the L-shaped pipe (31).

4. A three-rotor flow meter according to claim 1, wherein: connection structure (4) are including going out liquid internal thread pipe (41), butt joint crown plate (42), sealed cushion (43), connect ring plate (44) and sealing washer (45), it sets up in the upper end liquid outlet department of flowmeter body (1) to go out liquid internal thread pipe (41) correspondence, butt joint crown plate (42) set up in the inside center department of going out liquid internal thread pipe (41), sealed cushion (43) correspond and set up on the upper surface of butt joint crown plate (42), the central axis coincidence of butt joint crown plate (42) and sealed cushion (43), it sets up in the outer arc wall top of going out liquid internal thread pipe (41) to connect ring plate (44) correspondence, all be equipped with the mounting bolt in the mounting hole of connecting ring plate (44) wall body outside evenly distributed, sealing washer (45) correspond and set up in the upper surface inside of connecting ring plate (44).

5. A three-rotor flow meter according to claim 4, wherein: connect reinforced structure (5) including brace plate (51), axis of rotation (52), gusset plate (53) and reinforcement cap screw rod (54), brace plate (51) symmetry sets up on the outer arc wall of connecting ring board (44), and the bottom of axis of rotation (52) is passed through the bearing and is connected with the rotation of the brace plate (51) upper end that corresponds, and gusset plate (53) set up in the axis of rotation (52) outer arc wall upper end that corresponds, and reinforcement cap screw rod (54) set up in corresponding gusset plate (53) plate body reinforcing hole.

6. A three-rotor flow meter according to claim 5, wherein: the novel bracket is characterized by further comprising reinforcing ribs (8), wherein the reinforcing ribs (8) are correspondingly arranged at the connecting positions of the outer arc walls of the connecting circular ring plates (44) and the bottom surfaces of the strut plates (51).

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