CN208171351U - A kind of detachable venturi-type sensor - Google Patents

A kind of detachable venturi-type sensor Download PDF

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Publication number
CN208171351U
CN208171351U CN201820881127.2U CN201820881127U CN208171351U CN 208171351 U CN208171351 U CN 208171351U CN 201820881127 U CN201820881127 U CN 201820881127U CN 208171351 U CN208171351 U CN 208171351U
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China
Prior art keywords
venturi
connecting tube
link block
orifice plate
detachable
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CN201820881127.2U
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Chinese (zh)
Inventor
雷雨
王胜利
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Xi'an Jingzhun Electron Co Ltd
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Xi'an Jingzhun Electron Co Ltd
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Abstract

The utility model discloses a kind of detachable venturi-type sensors, including the first connecting tube, second connecting tube and venturi orifice plate, positive pressure tappings are offered inside first link block, the inside of second link block offers negative pressure tappings, threaded hole is threaded with fixed plate, one end of venturi orifice plate is arranged in fixed plate, the other end of venturi orifice plate is equipped with sealing plate, a kind of detachable venturi-type sensor of the utility model, venturi orifice plate is installed on the pipeline by the first connecting tube of setting and the second connecting tube, simultaneously be equipped with can screw thread disassembly fixed plate, user is facilitated to replace and dismantle the sensor in flowmeter, it can be with save the cost, the first link block and the second link block being equipped with simultaneously resist water flow to the impact force of pressure nozzle, reduce loss.

Description

A kind of detachable venturi-type sensor
Technical field
The utility model relates to a kind of sensor, in particular to a kind of detachable venturi-type sensor belongs to fluid measurement Technical field.
Background technique
Detachable venturi-type sensor is the main components of Venturi meter measurement, its effect is exactly accurate By the gas or liquid of flowing, by its measurement, the signal that will test is transmitted to controller and is turned, and is converted to electric signal Calculated, calculate institute's value be exactly by flowmeter flow number.It is now most of with the literary mound inside flowmeter In sensor, be all the horn shape sensor being fixed in flowmeter, it is substantially non-removable, for long-term pipeline In dregs can not clear up.
Utility model content
The purpose of this utility model is to provide a kind of detachable venturi-type sensors, to solve to mention in above-mentioned background technique Out present most of with the venturi-type sensor inside flowmeter, are the horn shape sensings being fixed in flowmeter Device, it is substantially non-removable, the problem of can not being cleared up for the dregs in long-term pipeline.
To achieve the above object, the utility model provides the following technical solutions:A kind of detachable venturi-type sensor, including First connecting tube, the second connecting tube and venturi orifice plate, the both ends of first connecting tube are respectively equipped with first flange disk and Two ring flanges, the both ends of second connecting tube are respectively equipped with third ring flange and the 4th ring flange, and first connecting tube is logical It crosses first flange disk to be fixedly connected with water inlet pipe, second connecting tube is fixedly connected by the 4th ring flange with outlet pipe, institute The inner wall of the inner wall and the second connecting tube of stating the first connecting tube is respectively equipped with the first link block and the second link block, and described Positive pressure tappings, the positive pressure tappings and the first pressure pipe phase that the first connecting tube outside wall surface is set are offered inside one link block Logical, the inside of second link block offers negative pressure tappings, the positive pressure tappings and the second connecting tube outside wall surface is arranged in Second pressure pipe communicates, and the side of first link block offers threaded hole, and the threaded hole is threaded with fixed plate, institute One end that venturi orifice plate is arranged in fixed plate is stated, the other end of the venturi orifice plate is equipped with sealing plate.
As a kind of optimal technical scheme of the utility model, the inside of the venturi orifice plate offers venturi orifices, The venturi orifices include Parking Entrance, venturi and diffuser, and the side of the Parking Entrance is fixedly connected with venturi, the venturi Side is fixedly connected with diffuser.
As a kind of optimal technical scheme of the utility model, the side of second link block is equipped with buffer gasket.
As a kind of optimal technical scheme of the utility model, the one of the side of the first flange disk and the 4th ring flange Side is equipped with the first seal washer, and the second seal washer is equipped between the second flange disk and third ring flange.
As a kind of optimal technical scheme of the utility model, the angle of the Parking Entrance is greater than the angle of diffuser.
Compared with prior art, the utility model has the beneficial effects that:A kind of detachable venturi sensing of the utility model Venturi orifice plate is installed on the pipeline by device by the first connecting tube of setting and the second connecting tube, while being equipped with can screw thread disassembly Fixed plate, facilitate user replace and disassembly flowmeter in sensor, can be with save the cost, while the first link block being equipped with Water flow is resisted to the impact force of pressure nozzle with the second link block, reduces loss.
Detailed description of the invention
Fig. 1 is the utility model positive structure schematic;
Fig. 2 is the structural schematic diagram of the venturi orifice plate of the utility model.
In figure:1, the first connecting tube;2, buffer gasket;3, the first pressure pipe;4, venturi orifice plate;5, the second pressure pipe; 6, the second connecting tube;7, first flange disk;8, the first link block;9, second flange disk;10, third ring flange;11, the 4th flange Disk;12, fixed plate;13, venturi orifices;14, diffuser;15, venturi;16, the second link block;17, Parking Entrance.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of detachable venturi-type sensor, including the first connecting tube 1, referring to FIG. 1-2, Two connecting tubes 6 and venturi orifice plate 4, the both ends of the first connecting tube 1 are respectively equipped with first flange disk 7 and second flange disk 9, and second The both ends of connecting tube 6 are respectively equipped with third ring flange 10 and the 4th ring flange 11, the first connecting tube 1 by first flange disk 7 with Water inlet pipe is fixedly connected, and the second connecting tube 6 is fixedly connected by the 4th ring flange 11 with outlet pipe, the inner wall of the first connecting tube 1 The inner wall of face and the second connecting tube 6 is respectively equipped with the first link block 8 and the second link block 16, opens up inside the first link block 8 There are positive pressure tappings, positive pressure tappings are communicated with the first pressure pipe 3 that 1 outside wall surface of the first connecting tube is arranged in, the second link block 16 Inside offers negative pressure tappings, and positive pressure tappings are communicated with the second pressure pipe 5 that 6 outside wall surface of the second connecting tube is arranged in, and first connects The side for connecing block 8 offers threaded hole, and threaded hole is threaded with fixed plate 12, and venturi orifice plate 4 is arranged in fixed plate 12 The other end of one end, venturi orifice plate 4 is equipped with sealing plate.
Preferably, the inside of venturi orifice plate 4 offers venturi orifices 13, and venturi orifices 13 include Parking Entrance 17, venturi 15 and diffuser 14, the side of Parking Entrance 17 be fixedly connected with venturi 15, the side of venturi 15 is fixedly connected with diffuser 14, subtracts Small fluid resistance, increases the accuracy of measurement.
Preferably, the side of the second link block 16 is equipped with buffer gasket 2, fixed venturi orifice plate 4, while having both sealing and making With.
Preferably, the side of first flange disk 7 and the side of the 4th ring flange 11 are equipped with the first seal washer, the second method It is equipped with the second seal washer between blue disk 9 and third ring flange 10, improves the first connecting tube, the second connecting tube and venturi orifice plate The leakproofness of connection.
Preferably, the angle of Parking Entrance 17 is greater than the angle of diffuser 14, reduces the generation of vortex.
When specifically used, a kind of detachable venturi-type sensor of the utility model is connected by first flange disk 7 by first One end of pipe 1 and water inlet pipe flanged joint are connected one end of the second connecting tube 6 and water outlet pipe flange by the 4th ring flange 11 It connects, meanwhile, venturi orifice plate 4 is threaded in the first connecting tube 1 and second with the first link block 8 by fixed plate 12 and is connect The junction of pipe 6, easy to disassemble and maintenance, second flange disk 9 and third ring flange 10 match, by the first connecting tube 1 and the Two connecting tubes 6 link together, and protect internal venturi orifice plate 4, and when work, positive pressure tappings connect for acquiring fluid first Positive pressure signal inside adapter tube 1, negative pressure tappings are for acquiring negative pressure signal of the fluid inside the second connecting tube 6, venturi orifices Plate 4 so that upstream and downstream generates pressure difference, and passes through 3 He of the first pressure pipe for reducing fluid flow area, reducing pressure by regulating flow The differential pressure transmitter of second pressure pipe 5 connection measures.
In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", " in The orientation of the instructions such as portion ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " or position are closed System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot It is construed as a limitation of the present invention.
In addition, term " first ", " second ", " third ", " the 4th " are used for description purposes only, and should not be understood as instruction or It implies relative importance or implicitly indicates the quantity of indicated technical characteristic, define " first ", " second ", " the as a result, Three ", the feature of " the 4th " can explicitly or implicitly include at least one of the features.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu Calmly ", the terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral; It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly, for this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of detachable venturi-type sensor, including the first connecting tube (1), the second connecting tube (6) and venturi orifice plate (4), It is characterized in that, the both ends of first connecting tube (1) are respectively equipped with first flange disk (7) and second flange disk (9), described The both ends of two connecting tubes (6) are respectively equipped with third ring flange (10) and the 4th ring flange (11), and first connecting tube (1) passes through First flange disk (7) is fixedly connected with water inlet pipe, and second connecting tube (6) is fixed by the 4th ring flange (11) with outlet pipe Connection, the inner wall of first connecting tube (1) and the inner wall of the second connecting tube (6) be respectively equipped with the first link block (8) and Second link block (16), first link block (8) is internal to offer positive pressure tappings, and the positive pressure tappings and setting connect first First pressure pipe (3) of adapter tube (1) outside wall surface communicates, and the inside of second link block (16) offers negative pressure tappings, described Second pressure pipe (5) of the positive pressure tappings with setting in the second connecting tube (6) outside wall surface communicates, and the one of first link block (8) Side offers threaded hole, and the threaded hole is threaded with fixed plate (12), and the fixed plate (12) is arranged in venturi orifice plate (4) other end of one end, the venturi orifice plate (4) is equipped with sealing plate.
2. a kind of detachable venturi-type sensor according to claim 1, it is characterised in that:The venturi orifice plate (4) Inside offer venturi orifices (13), the venturi orifices (13) include Parking Entrance (17), venturi (15) and diffuser (14), The side of the Parking Entrance (17) is fixedly connected with venturi (15), and the side of the venturi (15) is fixedly connected with diffuser (14)。
3. a kind of detachable venturi-type sensor according to claim 1, it is characterised in that:Second link block (16) Side be equipped with buffer gasket (2).
4. a kind of detachable venturi-type sensor according to claim 1, it is characterised in that:The first flange disk (7) Side and the side of the 4th ring flange (11) be equipped with the first seal washer, the second flange disk (9) and third ring flange (10) the second seal washer is equipped between.
5. a kind of detachable venturi-type sensor according to claim 1, it is characterised in that:The angle of the Parking Entrance (17) Degree is greater than the angle of diffuser (14).
CN201820881127.2U 2018-06-08 2018-06-08 A kind of detachable venturi-type sensor Active CN208171351U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820881127.2U CN208171351U (en) 2018-06-08 2018-06-08 A kind of detachable venturi-type sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820881127.2U CN208171351U (en) 2018-06-08 2018-06-08 A kind of detachable venturi-type sensor

Publications (1)

Publication Number Publication Date
CN208171351U true CN208171351U (en) 2018-11-30

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Application Number Title Priority Date Filing Date
CN201820881127.2U Active CN208171351U (en) 2018-06-08 2018-06-08 A kind of detachable venturi-type sensor

Country Status (1)

Country Link
CN (1) CN208171351U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115248242A (en) * 2022-06-23 2022-10-28 大唐环境产业集团股份有限公司 Rapid flue gas NOx measuring equipment based on electrochemical method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115248242A (en) * 2022-06-23 2022-10-28 大唐环境产业集团股份有限公司 Rapid flue gas NOx measuring equipment based on electrochemical method
CN115248242B (en) * 2022-06-23 2024-05-28 大唐环境产业集团股份有限公司 Flue gas NOx rapid measurement equipment based on electrochemical method

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