CN216846372U - Single-aperture multi-range orifice plate flowmeter - Google Patents

Abstract

The utility model discloses a single-aperture multirange orifice plate flowmeter relates to flow measurement technical field, including the left part of valve body and the right part of valve body, the one side that the left part of valve body and the right part of valve body were kept away from mutually communicates respectively has left flange and right flange, rotate through the carousel main shaft between the left part of valve body and the right part of valve body and be connected with the flow control carousel. The utility model discloses a set up the valve body left side piece, the valve body right side piece, left side flange, right side flange, the flow control carousel, the carousel main shaft, the appearance is calculated to intelligent flow, M12 bolt and carousel pointer have played the effect of making things convenient for accurate regulated flow, the flow control carousel that utilizes the instrument wrench movement M12 bolt to drive carousel main shaft surface rotates, thereby adjust the bore that the circulation hole allows the medium circulation, the flow numerical value of the demonstration of the appearance is calculated to cooperation intelligent flow, can accurate regulation control allow the flow of passing, facilitate the use, be applicable to various measurement flow field occasions, therefore, the clothes hanger is strong in practicability, and wide application scope.

Description

Single-aperture multi-range orifice plate flowmeter

Technical Field

The utility model relates to a flow measurement technical field specifically is a single-aperture multirange orifice plate flowmeter.

Background

The meter for indicating the measured flow rate and/or the total amount of fluid in a selected time interval is commonly called a meter for measuring the flow rate of fluid in a pipeline or an open channel, and the meter is classified into a differential pressure type meter, a rotor meter, a throttling type meter, a slit meter, a volume meter, an electromagnetic meter, an ultrasonic meter and the like according to different principles, wherein the meter is a vital detection device for industrial production, and the orifice plate meter is a differential pressure type meter and a common meter.

A conventional chinese patent publication No. CN206959916U discloses a orifice plate flowmeter. The utility model discloses orifice plate flowmeter, orifice plate flowmeter still includes: two gas-liquid converters and two liquid guiding pipes; the two gas-liquid converters are respectively arranged in a pressure taking port; one end of each gas-liquid converter is provided with a diaphragm, the other end of each gas-liquid converter is connected with one liquid guide pipe, and the liquid guide pipe is connected with the pressure transmitter; each gas-liquid converter is used for filling liquid into the gas-liquid converter and a liquid guide pipe connected with the gas-liquid converter, the gas-liquid converter is contacted with gas to be measured in the pipeline through the diaphragm, gas pressure is converted into hydraulic pressure and is transmitted to the pressure transmitter through the liquid guide pipe, the pressure transmitter determines the pressure difference of the two gas-liquid converters, and the flow of the gas to be measured in the pipeline is determined according to the pressure difference. The embodiment of the utility model provides a can avoid temperature to the influence of measurement accuracy, promote measuring result's accuracy and stability.

In the above-mentioned document, the orifice plate flowmeter can avoid the influence of the air temperature on the measurement accuracy, but cannot perform measurement in only a single measurement range, and cannot perform adjustment control of measurement in multiple measurement ranges.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a single aperture multirange orifice plate flowmeter to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a single-aperture multirange orifice plate flowmeter, includes valve body left part and valve body right part, the one side that valve body left part and valve body right part were kept away from mutually communicates respectively has left flange and right flange, rotate through the carousel main shaft between valve body left part and the valve body right part and be connected with the flow control carousel, the through hole has been seted up on the flow control carousel, there is intelligent flow to calculate the appearance through getting pressure mouthful intercommunication between left flange and the right flange, one side middle part that valve body left part and valve body right part were kept away from mutually fixed mounting respectively has left end cover and right end cover, the left end cover passes through flat face bearing with carousel main shaft left end and rotates and be connected, the right-hand member of carousel main shaft passes through M12 bolt fixedly connected with carousel pointer.

Further, the valve body left part and the valve body right part are close to one side and are all provided with a groove matched with the flow adjusting rotary table, the flow adjusting rotary table is convenient to set, a Teflon sealing piece matched with the circulation hole is arranged between the valve body left part and the flow adjusting rotary table, a gap between the flow adjusting rotary table and the valve body left part is sealed, and medium leakage is prevented.

Further, all be provided with main shaft O type sealing washer between the both sides on carousel main shaft surface and valve body left part and valve body right part and the right-hand member lid, to the gap seal between carousel main shaft and valve body left part and valve body right part and the right-hand member lid, prevent the weeping, carousel main shaft right-hand member runs through the right-hand member lid and extends to the right side of right-hand member lid, convenient operation.

Furthermore, be provided with left end cover O type sealing washer between left end cover and the valve body left part, seal the gap between left end cover and the valve body left part, strengthen the leakproofness, prevent the weeping, be provided with right end cover O type sealing washer between right end cover and the valve body right part, to the gap seal between right end cover and the valve body right part, strengthen the leakproofness, prevent the weeping.

Further, through construction bolt fixed mounting between the valve body left part and the valve body right part, just the both sides that are located construction bolt between the valve body left part and the valve body right part all are provided with valve body O type sealing washer, double seal, reinforcing seal effect.

Further, a clamping groove is formed in the valve body right piece, an M6 marble is arranged in the clamping groove in a movable mode, a spring is arranged between the M6 marble and the right side of the inner wall of the clamping groove, a positioning groove matched with the M6 marble is formed in the right side of the flow adjusting rotary disc, and the effect of facilitating auxiliary positioning is achieved.

Furthermore, the ends, far away from the left flange and the right flange, of the left flange and the right flange are communicated with first ball valves, the ends, far away from the two first ball valves, of the two first ball valves are communicated with short connecting pipes through three-way pipes, and a second ball valve is communicated between the two short connecting pipes.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. this single-aperture multirange orifice plate flowmeter, through setting up the valve body left part, the valve body right part, left valve flange, right valve flange, the flow control carousel, the carousel main shaft, intelligence flow calculates the appearance, M12 bolt and carousel pointer have played the effect of making things convenient for the accurate regulated flow, utilize the instrument to wrench movement M12 bolt to drive the flow control carousel rotation on carousel main shaft surface, thereby adjust the aperture that the circulation hole allows the medium circulation, the flow numerical value of the demonstration of cooperation intelligence flow calculates the appearance, can accurate regulation control allow the flow of passing, facilitate the use, be applicable to various measurement flow field occasions, therefore, the clothes hanger is strong in practicability, and wide application scope.

2. This single-aperture multi-range orifice plate flowmeter has played the effect of conveniently maintaining and repairing through setting up first ball valve, three-way pipe, junction pipe and second ball valve, utilizes two first ball valves to close the valve body, and the intercommunication of two junction pipes is opened to the second ball valve, can be under the condition that need not close the pipeline maintenance at will or repair, makes the product more humanized, and it is more convenient to overhaul maintenance work.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front sectional view of the valve body of the present invention;

fig. 3 is an enlarged schematic view of fig. 2 a according to the present invention;

fig. 4 is an enlarged schematic view of fig. 2B according to the present invention;

fig. 5 is an enlarged schematic view of fig. 2 at C according to the present invention;

fig. 6 is a right side view of the present invention.

In the figure: 1. a valve body left piece; 2. a valve body right piece; 3. a left flange; 4. a right flange; 5. a flow regulating turntable; 6. a turntable spindle; 7. a pressure taking port; 8. an intelligent flow rate calculating instrument; 9. a plane bearing; 10. a left end cap; 11. a right end cap; 12. an M12 bolt; 13. a dial pointer; 14. a teflon seal; 15. a card slot; 16. m6 marbles; 17. a spring; 18. positioning a groove; 19. a first ball valve; 20. a three-way pipe; 21. a short connecting pipe; 22. a second ball valve.

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.

As shown in fig. 2-6, the single-aperture multi-range orifice plate flowmeter comprises a left valve body part 1 and a right valve body part 2, wherein the far sides of the left valve body part 1 and the right valve body part 2 are respectively communicated with a left flange 3 and a right flange 4, the left valve body part 1 and the right valve body part 2 are rotatably connected with a flow regulating turntable 5 through a turntable spindle 6, the flow regulating turntable 5 is provided with a flow through hole, the left flange 3 and the right flange 4 are communicated with an intelligent flow calculating instrument 8 through a pressure taking port 7, the middle parts of the far sides of the left valve body part 1 and the right valve body part 2 are respectively and fixedly provided with a left end cover 10 and a right end cover 11, the left end cover 10 is rotatably connected with the left end of the turntable spindle 6 through a plane bearing 9 to enhance the rotational stability and the smoothness of the turntable spindle 6, the right end of the turntable spindle 6 is fixedly connected with a turntable pointer 13 through an M12 bolt 12, the valve body left part 1 and the valve body right part 2 are close to one side and are all provided with a groove matched with the flow adjusting turntable 5, and a Teflon sealing piece 14 matched with the circulation hole is arranged between the valve body left part 1 and the flow adjusting turntable 5.

All be provided with main shaft O type sealing washer between the both sides on carousel main shaft 6 surface and valve body left part 1 and valve body right part 2 and the right- hand member lid 11, 6 right-hand members of carousel main shaft run through right-hand member lid 11 and extend to the right side of right-hand member lid 11, and carousel main shaft 6 extends to the right-hand member of right-hand member lid 11, conveniently utilizes the instrument to rotate M12 bolt 12 and drives carousel main shaft 6 and rotate, convenient operation.

Be provided with left end lid O type sealing washer between left end lid 10 and the valve body left part 1, be provided with right-hand member lid O type sealing washer between right-hand member lid 11 and the valve body right part 2, during the use, left end lid O type sealing washer seals the gap between left end lid 10 and the valve body left part 1, strengthens the leakproofness, prevents the weeping, and right-hand member lid O type sealing washer seals the gap between right-hand member lid 11 and the valve body right part 2, strengthens the leakproofness, prevents the weeping.

Through construction bolt fixed mounting between the valve body left part 1 and the valve body right part 2, the both sides that just are located construction bolt between the valve body left part 1 and the valve body right part 2 all are provided with valve body O type sealing washer, carry out twice to the gap between the valve body left part 1 and the valve body right part 2 and seal, double sealing, the sealed effect of reinforcing.

The valve body right piece 2 is provided with a clamping groove 15, the clamping groove 15 is internally and movably provided with an M6 marble 16, a spring 17 is arranged between the M6 marble 16 and the right side of the inner wall of the clamping groove 15, the right side of the flow regulating turntable 5 is provided with a positioning groove 18 matched with the M6 marble 16, when the valve body right piece is used, the spring 17 elastic pressure of the clamping groove 15 presses the M6 marble 16, the M6 marble 16 is clamped into the positioning groove 18 on the flow regulating turntable 5 under the elastic pressure of the spring 17, so that the positioning groove is convenient to position, when the flow regulating turntable 5 is rotated, the positioning groove 18 of the flow regulating turntable 5 moves, the flow regulating turntable 5 presses the M6 marble 16, the M6 marble 16 is pushed by the pressure to be accommodated in the clamping groove 15 and is compressed by the spring 17 opposite to the right side of the inner wall of the clamping groove 15 until the positioning groove 18 on the rotating flow regulating turntable 5 is aligned with the M6 marble 16, and the M6 marble 16 is pressed into the positioning groove 18 by the pressure of the spring 17, and the flow adjusting turntable 5 is positioned again, so that the auxiliary positioning is facilitated.

The implementation mode is specifically as follows: when the intelligent flow calculating device is used, a medium enters the right valve body part 2 from the right valve flange 4, the medium is blocked by the flow adjusting turntable 5 and the Teflon sealing piece 14, the Teflon sealing piece 14 seals a gap between the flow adjusting turntable 5 and the left valve body part 1 to prevent the medium from leaking, the internal pressures of the left valve flange 3 and the right valve flange 4 are different, different pressures of pressure taking ports 7 on the left valve flange 3 and the right valve flange 4 are transmitted to the intelligent flow calculating device 8, then a tool is used for rotating the M12 bolt 12, the M12 bolt 12 drives the turntable spindle 6 to rotate, the turntable spindle 6 stably rotates on the left end cover 10 through the plane bearing 9 to enhance the rotation stability and the smoothness of the turntable spindle 6, the turntable spindle 6 drives the flow adjusting turntable 5 to rotate, the flow holes on the flow adjusting turntable 5 are arranged on the left valve flange 3 and the right valve flange 4 to allow the medium to flow through the flow holes, and the caliber of the flow holes is changed between the left valve flange 3 and the right valve flange 4 due to different rotation angles, the medium generates different pressure differences in front and at the back of the flow adjusting turntable 5, different pressure differences are generated in the left valve flange 3 and the right valve flange 4, the intelligent flow calculating instrument 8 senses a pressure difference signal and displays a flow value, when the flow value displayed by the intelligent flow calculating instrument 8 cannot reach a standard, the M12 bolt 12 is continuously rotated, the M12 bolt 12 drives the turntable spindle 6 to rotate, the turntable spindle 6 drives the flow adjusting turntable 5 and the turntable pointer 13 to synchronously rotate, the flow caliber of a flow hole on the flow adjusting turntable 5 is conveniently determined according to the indication of the turntable pointer 13, the required flow precision can be conveniently adjusted by combining the value displayed by the intelligent flow calculating instrument 8, the flow adjusting precision is high, the function of conveniently and accurately adjusting the flow is achieved by arranging the structure, the M12 bolt 12 is twisted by a tool to drive the flow adjusting turntable 5 on the surface of the turntable spindle 6 to rotate, thereby adjust the aperture that the circulation hole allows the medium circulation, the flow numerical value of the demonstration of cooperation intelligence flow calculating appearance 8 can accurate regulation control allow the flow, facilitates the use, is applicable to various measurement flow field occasions, and the practicality is strong, and application scope is wide.

The single-caliber multi-range orifice plate flowmeter shown in fig. 1 further comprises two first ball valves 19 communicated with the far ends of the left flange 3 and the right flange 4, the far ends of the two first ball valves 19 are communicated with connecting short pipes 21 through a tee pipe 20, a second ball valve 22 is communicated between the two connecting short pipes 21, and the first ball valve 19 and the second ball valve 22 are ball valves of DN65/PN 63.

The implementation mode is specifically as follows: during the use, when maintaining, close two first ball valves 19, then open second ball valve 22, the medium can change the circulation direction into and circulate between two three-way pipes 20 and two connecting pipe stubs 21 and the second ball valve 22, and the valve body is closed by two first ball valves 19, can not flow through the medium, can maintain, the effect of convenient maintenance and repair has been played through the structure more than setting up, utilize two first ball valves 19 to close the valve body, the intercommunication of two connecting pipe stubs 21 is opened to second ball valve 22, can be at will maintain or repair under the condition that need not close the pipeline, make the product more humanized, it is more convenient to overhaul maintenance work.

The utility model discloses a theory of operation:

referring to the attached drawings 2-6 of the specification, the left valve body 1, the right valve body 2, the left valve flange 3, the right valve flange 4, the flow adjusting turntable 5, the turntable spindle 6, the intelligent flow calculating instrument 8, the M12 bolt 12 and the turntable pointer 13 are arranged to conveniently and accurately adjust the flow, the M12 bolt 12 is twisted by a tool to drive the flow adjusting turntable 5 on the surface of the turntable spindle 6 to rotate, so that the aperture of the circulation hole for allowing the medium to circulate is adjusted, the flow value displayed by the intelligent flow calculating instrument 8 is matched, the allowed flow can be accurately adjusted and controlled, the use is convenient, the flow measuring device is suitable for various occasions in the flow measuring field, the practicability is high, and the application range is wide.

Furthermore, referring to the attached drawing 1 in the specification, the first ball valve 19, the three-way pipe 20, the short connecting pipe 21 and the second ball valve 22 are arranged to achieve the effect of facilitating maintenance and repair, the valve body is closed by the two first ball valves 19, and the second ball valve 22 opens the communication between the two short connecting pipes 21, so that the maintenance and repair can be carried out at will under the condition that the pipeline is not closed, the product is more humanized, and the maintenance and repair work is more convenient.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A single-aperture multi-range orifice plate flowmeter comprises a left valve body piece (1) and a right valve body piece (2), and is characterized in that one side, away from the left valve body piece (1) and the right valve body piece (2), of the left valve body piece (1) is communicated with a left valve flange (3) and a right valve flange (4) respectively, a flow adjusting turntable (5) is connected between the left valve body piece (1) and the right valve body piece (2) in a rotating mode through a turntable spindle (6), a circulation hole is formed in the flow adjusting turntable (5), an intelligent flow calculating instrument (8) [1] is communicated between the left valve flange (3) and the right valve flange (4) through a pressure taking port (7), a left end cover (10) and a right end cover (11) are fixedly installed in the middle of one side, away from the left valve body piece (1) and the right valve body piece (2), of the left end cover (10) is connected with the left end of the turntable spindle (6) in a rotating mode through a plane bearing (9), the right end of the turntable main shaft (6) is fixedly connected with a turntable pointer (13) through an M12 bolt (12).

2. The single-bore multi-range orifice plate flowmeter of claim 1, wherein: the valve body left part (1) and the valve body right part (2) are close to one side and are all provided with a groove matched with the flow adjusting rotary table (5), and a Teflon sealing piece (14) matched with the circulation hole is arranged between the valve body left part (1) and the flow adjusting rotary table (5).

3. The single-bore multi-range orifice plate flowmeter of claim 1, wherein: all be provided with main shaft O type sealing washer between the both sides on carousel main shaft (6) surface and valve body left part (1) and valve body right part (2) and right-hand member lid (11), right-hand member runs through right-hand member lid (11) and extends to the right side of right-hand member lid (11) carousel main shaft (6) right-hand member.

4. The single-bore multi-range orifice plate flowmeter of claim 1, wherein: a left end cover O-shaped sealing ring is arranged between the left end cover (10) and the left valve body piece (1), and a right end cover O-shaped sealing ring is arranged between the right end cover (11) and the right valve body piece (2).

5. The single-bore multi-range orifice plate flowmeter of claim 1, wherein: the valve body left part (1) and the valve body right part (2) are fixedly installed through a mounting bolt, and valve body O-shaped sealing rings are arranged between the valve body left part (1) and the valve body right part (2) and on two sides of the mounting bolt.

6. The single-bore multi-range orifice plate flowmeter of claim 1, wherein: the valve body right part (2) is provided with a clamping groove (15), the inside activity of the clamping groove (15) is provided with M6 marble (16), a spring (17) is arranged between the M6 marble (16) and the right side of the inner wall of the clamping groove (15), and the right side of the flow regulation turntable (5) is provided with a positioning groove (18) matched with the M6 marble (16).

7. The single-bore multi-range orifice plate flowmeter of claim 1, wherein: the left valve flange (3) and the right valve flange (4) are far away from one end and are communicated with first ball valves (19), the two first ball valves (19) are far away from one end and are communicated with short connecting pipes (21) through three-way pipes (20), and a second ball valve (22) is communicated between the two short connecting pipes (21).

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