CN218973550U - Gas flow metering rectification structure - Google Patents
Gas flow metering rectification structure Download PDFInfo
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- CN218973550U CN218973550U CN202222959856.4U CN202222959856U CN218973550U CN 218973550 U CN218973550 U CN 218973550U CN 202222959856 U CN202222959856 U CN 202222959856U CN 218973550 U CN218973550 U CN 218973550U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Y02T10/30—Use of alternative fuels, e.g. biofuels
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Abstract
The utility model provides a gas flow metering and rectifying structure, which belongs to the technical field of gas flow metering and rectifying. The flow detection mechanism comprises a flowmeter body and a communicating pipe, wherein the flowmeter body is used for detecting gas. The rectifying mechanism comprises a rectifying part and a connecting part, the communicating pipe is communicated with the flowmeter body through the rectifying part and the connecting part, the rectifying part is used for enabling gas in the flowmeter body to be transited from a turbulent flow state to a laminar flow state, the rectifying part is convenient for carrying out secondary rectification on the gas to enable the gas to be convenient for eliminating the influence of pulsating flow, accuracy of the flowmeter is improved, and the fastening sleeve is used for driving the extrusion head to be connected with the connector. The rectifying structure in the pipeline is convenient to install and disassemble quickly, the whole pipeline is not influenced when the rectifying structure is disassembled, and the cost of repairing the connecting pipeline is convenient to reduce.
Description
Technical Field
The utility model relates to the field of gas flow metering and rectifying, in particular to a gas flow metering and rectifying structure.
Background
Commonly used flow meters for detecting gas flow rates include thermal pipe anemometers, vortex shedding flow meters, turbine flow meters, gas ultrasonic flow meters, and the like, where the detection conditions require that the flow rate and flow direction of the fluid flowing through the detection point be stable and constant.
In order to stabilize the flow state, a rectifier is usually installed at an air inlet of the flowmeter, after the air passes through the rectifier, the pulsating flow energy existing in the fluid is completely dispersed, so that the fluid is transited from a turbulent flow state to a laminar flow state, the influence of the pulsating flow is eliminated, the accuracy of the flowmeter is improved, but in the prior art, when the rectifier on the pipeline is removed, a few sections of pipelines are easy to use, the pipeline cannot be continuously used, a section of pipeline is required to be cut again for repairing connection, the cost is increased, the rectifying structure in the pipeline is inconvenient to enable the installation and the disassembly of the pipeline to be convenient, the whole pipeline is not influenced when the pipeline is removed, and the cost for repairing the connecting pipeline is convenient to reduce. How to develop a gas flow metering and rectifying structure to improve these problems is a urgent problem for those skilled in the art.
Disclosure of Invention
In order to overcome the defects, the utility model provides a gas flow metering and rectifying structure, and aims to solve the problems that the rectifying structure in a pipeline is inconvenient to mount and dismount and the whole pipeline is not influenced when the pipeline is dismounted.
The utility model is realized in the following way: a gas flow metering and rectifying structure comprises a flow detection mechanism and a rectifying mechanism.
The flow detection mechanism comprises a flowmeter body and a communicating pipe, wherein the flowmeter body is used for detecting gas. The rectifying mechanism comprises a rectifying piece and a connecting piece, the communicating pipe is communicated with the flowmeter body through the rectifying piece and the connecting piece, and the rectifying piece is used for enabling gas in the flowmeter body to transition from a turbulent flow state to a laminar flow state.
In one embodiment of the utility model, the rectifying piece comprises a fixed head, a connector, a first rectifying column, a second rectifying column, a fastening sleeve and an extrusion head, wherein one end of the connector is in threaded sealing connection with the fixed head, one end of the fastening sleeve is in rotary connection with the extrusion head, the other end of the fastening sleeve is in threaded sleeve connection with the other end of the connector, the first rectifying column is arranged between the fixed head and the connector, the second rectifying column is arranged between the connector and the extrusion head, and through holes are correspondingly formed in the first rectifying column and the second rectifying column.
In one embodiment of the utility model, the connector is in a three-section type, the front section is in a threaded type, the interruption is in a bolt type, the tail section is in a threaded type, and steps are arranged in the front section and the tail section of the connector.
In an embodiment of the present utility model, the first rectifying column and the second rectifying column are arranged outside in a step shape, and the first rectifying column and the second rectifying column are arranged corresponding to the step of the end section of the front section of the connector, and are embedded at two ends of the connector.
In one embodiment of the present utility model, an end of the first rectifying column, which is far away from the second rectifying column, is provided with an arc concave surface, and an arc is directed to one side of the second rectifying column, and an end of the first rectifying column, which is close to the second rectifying column, is provided with an arc convex surface, and the same arc is directed to the second rectifying column.
In one embodiment of the utility model, rubber sealing gaskets are arranged at the steps of the first rectifying column and the first rectifying column, and rubber sealing gaskets are arranged at the connecting positions of the two ends of the connector, the fixing head and the extrusion head.
In one embodiment of the utility model, one end of the extrusion head is provided with a sliding groove, one end of the fastening sleeve is provided with a sliding rail, the fastening sleeve is correspondingly arranged with the sliding groove of the extrusion head through the sliding rail, and one end of the fastening sleeve, which is far away from the extrusion head, is provided with a bolt.
In one embodiment of the utility model, the fairing further comprises a first valve disposed at an end of the extrusion head remote from the fastening sleeve and a second valve disposed at an end of the stationary head remote from the coupling head.
In one embodiment of the utility model, the connecting piece comprises a plurality of flanges and connecting pipes, the flanges are arranged at two ends of the connecting pipes, the flanges are fixedly connected to one end, away from the fastening sleeve, of the extrusion head, and the extrusion head is connected with the connecting pipes through the flanges.
In one embodiment of the utility model, the connecting tube is a stainless steel corrugated hose.
The beneficial effects of the utility model are as follows: according to the gas flow metering and rectifying structure obtained through the design, when the gas flow metering and rectifying structure is used, fluid is transited from a turbulent flow state to a laminar flow state through the rectification of the communicating pipe through the rectifying piece, the fluid is conveyed to the flowmeter body through the rectifying piece for detection, when the first rectifying column and the second rectifying column are required to be disassembled, the second valve and the first valve are closed, the fastening sleeve is rotated through the wrench to disconnect the extrusion head from the connector, the fastening sleeve is separated from the connector, the second rectifying column is disassembled, the connector is continuously screwed through the wrench to separate the connector from the fixing head, the first rectifying column in the connector is disassembled, the connector is assembled to enable the fixing head to be in sealing connection with the connector, and the extrusion head is in sealing connection with the connector through screwing the fastening sleeve. The rectifying structure in the pipeline is convenient to install and detach, and the whole pipeline is not influenced when the rectifying structure is detached, so that the cost of repairing the connecting pipeline is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a side structure provided by an embodiment of the present utility model;
FIG. 2 is a schematic view of a component structure according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of an exploded structure of a fairing according to an embodiment of the utility model;
fig. 4 is a schematic diagram of an exploded structure of one side of a rectifying member according to an embodiment of the present utility model.
In the figure: 100-a flow detection mechanism; 110-a flowmeter body; 120-communicating pipe; 200-rectifying mechanism; 210-rectifying piece; 211-fixing heads; 212-connecting heads; 213-a first rectifying column; 214-a second rectifying column; 215-fastening the sleeve; 216-extrusion head; 217-first valve; 218-a second valve; 220-connecting piece; 221-flange; 222-connecting tube.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1, the present utility model provides a technical solution: a gas flow metering and rectifying structure comprises a flow detection mechanism 100 and a rectifying mechanism 200.
Referring to fig. 2, the flow detection mechanism 100 includes a flow meter body 110 and a communication pipe 120, and the flow meter body 110 is used for detecting gas. The rectifying mechanism 200 comprises a rectifying member 210 and a connecting member 220, the communicating pipe 120 is communicated with the flowmeter body 110 through the rectifying member 210 and the connecting member 220, and the rectifying member 210 is used for enabling gas in the flowmeter body 110 to be transited from a turbulent flow state to a laminar flow state, so that the influence of pulsating flow is eliminated, and the accuracy of the flowmeter is improved.
Referring to fig. 3 and 4, the rectifying member 210 includes a fixing head 211, a connecting head 212, a first rectifying column 213, a second rectifying column 214, a fastening sleeve 215 and an extruding head 216, one end of the connecting head 212 is in threaded sealing connection with the fixing head 211, one end of the fastening sleeve 215 is rotationally connected with the extruding head 216, the other end of the fastening sleeve 215 is in threaded socket connection with the other end of the connecting head 212, the first rectifying column 213 is arranged between the fixing head 211 and the connecting head 212, the second rectifying column 214 is arranged between the connecting head 212 and the extruding head 216, through holes are correspondingly formed in the first rectifying column 213 and the second rectifying column 214, the first rectifying column 213 is fixedly installed between the connecting head 212 and the fixing head 211 in a sealing manner through the rotating connecting head 212 and is used for rectifying gas, and the second rectifying column 214 is fixedly and hermetically installed between the connecting head 212 and the extruding head 216 through the rotating fastening sleeve 215.
The connector 212 is three-section type, and the anterior segment is the screw thread setting, and the interruption is the bolt setting, and the last section is the screw thread setting, and the inside step setting that is of connector 212 anterior segment and last section is convenient for install first rectification post 213 and second rectification post 214. The outside of the first rectifying column 213 and the second rectifying column 214 is arranged to be in a step shape, the first rectifying column 213 and the second rectifying column 214 are arranged corresponding to the step of the end section of the front section of the connector 212, the first rectifying column 213 and the second rectifying column 214 are embedded into the two ends of the connector 212, so that the first rectifying column 213 and the second rectifying column 214 are convenient to seal and install, and gas leakage is prevented.
Referring to fig. 4, one end of the first rectifying column 213 far away from the second rectifying column 214 is set to be an arc concave surface, and an arc is directed to one side of the second rectifying column 214, one end of the first rectifying column 213 near the second rectifying column 214 is set to be an arc convex surface, and the arc is also directed to the second rectifying column 214, so that the arc is convenient for gas entering. The first rectifying column 213 and the step of the first rectifying column 213 are provided with rubber gaskets, the connection between the two ends of the connector 212 and the fixing head 211 and the extrusion head 216 are provided with rubber gaskets, and the sealing ring is used for tightly preventing the leakage of gas at the connection.
One end of the extrusion head 216 is provided with a sliding groove, one end of the fastening sleeve 215 is provided with a sliding rail, the fastening sleeve 215 is correspondingly installed with the sliding groove of the extrusion head 216 through the sliding rail, one end of the fastening sleeve 215, which is far away from the extrusion head 216, is provided with a bolt, and the fastening sleeve 215 is convenient to drive the extrusion head 216 to be connected with the connector 212. The rectifying member 210 further includes a first valve 217 and a second valve 218, the first valve 217 is disposed at an end of the extrusion head 216 away from the fastening sleeve 215, the second valve 218 is disposed at an end of the fixing head 211 away from the connecting head 212, and the first valve 217 and the second valve 218 are used for preventing gas from leaking when the first rectifying column 213 and the second rectifying column 214 are disassembled.
Referring to fig. 3, the connecting member 220 includes a plurality of flanges 221 and connecting pipes 222, the flanges 221 are provided at both ends of the connecting pipes 222, the flanges 221 are fixedly connected to one end of the extrusion head 216 away from the fastening sleeve 215, and the extrusion head 216 is connected to the connecting pipes 222 through the flanges 221. The connection pipe 222 is a stainless steel corrugated hose, which is convenient to bend and is convenient to mount and dismount the first rectifying column 213 and the second rectifying column 214.
Working principle: the gas passes through the rectification of the communicating pipe 120 through the rectification piece 210 and makes the fluid transition from the turbulent flow state to the laminar flow state, carry flowmeter body 110 through the rectification piece 210 and detect, when need dismantle first rectification post 213 and second rectification post 214, close second valve 218 and first valve 217, rotate fastening sleeve 215 through the spanner and make and break away from the connection between extrusion head 216 and the connector 212 and make fastening sleeve 215 break away from connector 212, dismantle second rectification post 214, continue to twist connector 212 through the spanner and make connector 212 and fixed head 211 break away from, dismantle first rectification post 213 in the connector 212, the demolish and accomplish and install connector 212 and make fixed head 211 and connector 212 sealing connection, make extrusion head 216 and connector 212 sealing connection through screwing up fastening sleeve 215.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. A gas flow metering and rectifying structure is characterized by comprising
The flow detection mechanism comprises a flowmeter body and a communicating pipe, and the flowmeter body is used for detecting gas;
the flow straightening mechanism comprises a flow straightening piece and a connecting piece, the communicating pipe is communicated with the flow meter body through the flow straightening piece and the connecting piece, and the flow straightening piece is used for enabling gas in the flow meter body to be transited from a turbulent flow state to a laminar flow state.
2. The gas flow metering and rectifying structure according to claim 1, wherein the rectifying piece comprises a fixing head, a connector, a first rectifying column, a second rectifying column, a fastening sleeve and an extrusion head, one end of the connector is in threaded sealing connection with the fixing head, one end of the fastening sleeve is in rotational connection with the extrusion head, the other end of the fastening sleeve is in threaded sleeve connection with the other end of the connector, the first rectifying column is arranged between the fixing head and the connector, the second rectifying column is arranged between the connector and the extrusion head, and through holes are correspondingly formed in the first rectifying column and the second rectifying column.
3. The gas flow metering rectifying structure according to claim 2, wherein the connector is arranged in a three-section mode, the front section is arranged in a threaded mode, the interruption is arranged in a bolt mode, the tail section is arranged in a threaded mode, and steps are arranged in the front section and the tail section of the connector.
4. A gas flow metering rectifying structure according to claim 3, wherein the first rectifying column and the second rectifying column are arranged in a stepped shape, and the first rectifying column and the second rectifying column are arranged corresponding to the step of the end section of the front section of the connector, and are embedded into the two ends of the connector.
5. A gas flow metering rectifying structure according to claim 3, wherein one end of said first rectifying column far away from said second rectifying column is provided with an arc concave surface, and an arc is directed to one side of said second rectifying column, and one end of said first rectifying column near said second rectifying column is provided with an arc convex surface, and the same arc is directed to said second rectifying column.
6. The gas flow metering and rectifying structure according to claim 5, wherein rubber sealing gaskets are arranged at the steps of the first rectifying column and the first rectifying column, and rubber sealing gaskets are arranged at the joints of the two ends of the connecting head, the fixing head and the extrusion head.
7. The gas flow metering and rectifying structure according to claim 5, wherein a chute is formed in one end of the extrusion head, a slide rail is arranged at one end of the fastening sleeve, the fastening sleeve is correspondingly installed with the chute of the extrusion head through the slide rail, and a bolt is arranged at one end of the fastening sleeve far away from the extrusion head.
8. The gas flow metering and rectifying structure of claim 7, wherein said rectifying member further comprises a first valve and a second valve, said first valve being disposed at an end of said extrusion head remote from said fastening sleeve, said second valve being disposed at an end of said stationary head remote from said connecting head.
9. The gas flow metering and rectifying structure according to claim 8, wherein said connecting member comprises a flange and a plurality of connecting pipes, said flange is provided at both ends of said connecting pipes, said flange is fixedly connected to one end of said extrusion head away from said fastening sleeve, and said extrusion head is connected to said connecting pipes through said flange.
10. A gas flow metering rectifying structure according to claim 9, characterized in that said connecting pipe is a stainless steel corrugated hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222959856.4U CN218973550U (en) | 2022-11-08 | 2022-11-08 | Gas flow metering rectification structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222959856.4U CN218973550U (en) | 2022-11-08 | 2022-11-08 | Gas flow metering rectification structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218973550U true CN218973550U (en) | 2023-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222959856.4U Active CN218973550U (en) | 2022-11-08 | 2022-11-08 | Gas flow metering rectification structure |
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| Country | Link |
|---|---|
| CN (1) | CN218973550U (en) |
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2022
- 2022-11-08 CN CN202222959856.4U patent/CN218973550U/en active Active
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