CN213017921U - Automatic exhaust device of large-caliber flowmeter - Google Patents
Automatic exhaust device of large-caliber flowmeter Download PDFInfo
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- CN213017921U CN213017921U CN202021162613.2U CN202021162613U CN213017921U CN 213017921 U CN213017921 U CN 213017921U CN 202021162613 U CN202021162613 U CN 202021162613U CN 213017921 U CN213017921 U CN 213017921U
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Abstract
The utility model discloses a heavy-calibre flowmeter automatic exhaust device, flowmeter pipeline and setting including the level setting are in exhaust spare on the flowmeter pipeline, the flowmeter pipeline is cylindricly, the section of thick bamboo wall top of flowmeter pipeline is run through there is the mounting hole, exhaust spare is installed the outer wall of flowmeter pipeline, exhaust spare with the mounting hole switch-on, exhaust spare includes connector and discharge valve, the connector is cylindricly, discharge valve installs on the connector, the connector will discharge valve with the mounting hole switch-on. Adopt the utility model discloses a heavy-calibre flowmeter self-bleeding device, accessible connector are with discharge valve and pipeline switch-on, introduce the automatic valve through controlling the gas of manual valve with gathering in the pipeline and discharge, and the effectual influence of gathering gas in having solved the pipeline to ultrasonic detection device has improved measurement accuracy.
Description
Technical Field
The utility model relates to an automatic exhaust apparatus, concretely relates to heavy-calibre flowmeter automatic exhaust apparatus.
Background
An ultrasonic flowmeter is a non-contact measuring instrument and can be used for measuring fluid flow which is not easy to contact and observe and large-diameter flow. It does not change the flowing state of the fluid, does not generate pressure loss, and is convenient for installation. However, the ultrasonic flowmeter has poor anti-interference capability and is easily interfered by ultrasonic noise mixed by bubbles, scales, pumps and other sound sources to influence the measurement accuracy, and the pipeline buried underground needs to be bent to the ground to install the ultrasonic flowmeter, so that when the water inflow amount is reduced and the water inflow pressure is insufficient, gas is easily gathered in the pipeline of the ground section and cannot be discharged, the detection of the ultrasonic flowmeter is interfered, and the measurement accuracy is seriously influenced.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a heavy-calibre flowmeter automatic exhaust device helps making the automatic exhaust of the gas in the pipeline.
The technical scheme is as follows:
the automatic exhaust device of the large-diameter flowmeter is characterized by comprising a flowmeter pipeline and an exhaust member, wherein the flowmeter pipeline is horizontally arranged, the exhaust member is arranged on the flowmeter pipeline, the flowmeter pipeline is cylindrical, a mounting hole penetrates through the top end of the cylinder wall of the flowmeter pipeline, the exhaust member is arranged on the outer wall of the flowmeter pipeline, and the exhaust member is communicated with the mounting hole;
the exhaust piece comprises a connector and an exhaust valve, the connector is cylindrical, the exhaust valve is installed on the connector, and the connector is used for communicating the exhaust valve with the mounting hole.
The effect of adopting above scheme: make the gas in the ground section pipeline can enter into the discharge valve through the connector in, with the gaseous discharge of gathering in the pipeline, reduce the influence to ultrasonic detection device.
The exhaust valve comprises a manual valve and an automatic valve, the manual valve and the connector are sequentially arranged from top to bottom, the automatic valve is communicated with the connector through the manual valve, one end of the connector is communicated with the mounting hole, and the other end of the connector is communicated with the manual valve. The advantage of adopting above technical scheme is, when automatic valve breaks down, but opening and closing of manual control discharge valve.
The connector is vertically arranged, the outer cylinder walls at the two ends of the connector are respectively provided with threads, the outer wall of the connector is also provided with a limiting ring, and the limiting ring is sleeved at the middle part of the connector.
The outer cylinder wall of the flowmeter pipeline is also provided with a mounting seat, the mounting seat is vertically arranged, the upper surface of the mounting seat is provided with a connecting hole, the lower surface of the mounting seat is provided with an air vent, the connecting hole is communicated with the air vent, the aperture of the connecting hole is larger than that of the air vent, the lower end surface of the mounting seat is fixedly connected with the cylinder wall of the flowmeter pipeline, and the air vent is communicated with the mounting hole;
the lower extreme of connector stretches into the connecting hole, the pore wall of connecting hole is equipped with the screw thread, the lower extreme of connector with connecting hole threaded connection.
One end of the manual valve is in threaded connection with the upper end of the connector, and the other end of the manual valve is in threaded connection with the air inlet of the automatic valve.
The flowmeter is characterized in that two end openings of the flowmeter pipeline are respectively provided with a flange plate, the flange plates are also provided with a plurality of fixing holes, and all the fixing holes surround the axial lead of the flowmeter pipeline and are uniformly distributed on the flange plates.
The outer wall of the flowmeter pipeline is also provided with an ultrasonic detection device, and a probe of the ultrasonic detection device extends into the flowmeter pipeline;
the mounting hole is located downstream of the ultrasonic detection device.
The limiting ring and the connector are integrally formed.
Has the advantages that: the utility model discloses the accessible connector is with discharge valve and pipeline switch-on, introduces the automatic valve through controlling the gas of manual valve with gathering in the pipeline and discharges, and the effectual influence of gathering gas in having solved the pipeline to ultrasonic detection device has improved measurement accuracy.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a front view of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 2;
FIG. 5 is a cross-sectional view B-B of FIG. 3;
FIG. 6 is a partial enlarged view X of FIG. 5;
FIG. 7 is a schematic sectional view of the exhaust member 6 in a normal exhaust state;
FIG. 8 is a cross-sectional view of the exhaust member 6 in a closed state
Fig. 9 is a schematic structural diagram of an application state of the present invention.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
As shown in fig. 1 to 6, an automatic exhaust device for a large-diameter flowmeter mainly comprises a flowmeter pipeline 1 horizontally arranged and an exhaust member 6 arranged on the flowmeter pipeline 1, wherein the flowmeter pipeline 1 is cylindrical, a mounting hole penetrates through the top end of the cylinder wall of the flowmeter pipeline 1, the exhaust member 6 is mounted on the outer wall of the flowmeter pipeline 1, and the exhaust member 6 is communicated with the mounting hole;
the exhaust part 6 comprises a connector 2 and an exhaust valve, the connector 2 is cylindrical, the exhaust valve is installed on the connector 2, and the connector 2 is used for communicating the exhaust valve with the mounting hole.
Wherein:
the exhaust valve comprises a manual valve 3 and an automatic valve 4, the manual valve 3 and the connector 2 are sequentially arranged from top to bottom, the automatic valve 4 is communicated with the connector 2 through the manual valve 3, one end of the connector 2 is communicated with the mounting hole, and the other end of the connector 2 is communicated with the manual valve 3.
The connector 2 is vertically arranged, the outer cylinder walls at two ends of the connector 2 are respectively provided with threads, the outer wall of the connector 2 is also provided with a limiting ring, and the limiting ring is sleeved at the middle part of the connector 2.
The outer cylinder wall of the flowmeter pipeline 1 is further provided with a mounting seat 5, the mounting seat 5 is vertically arranged, the upper surface of the mounting seat 5 is provided with a connecting hole, the lower surface of the mounting seat 5 is provided with a vent hole, the connecting hole is communicated with the vent hole, the aperture of the connecting hole is larger than that of the vent hole, the lower end surface of the mounting seat 5 is fixedly connected with the cylinder wall of the flowmeter pipeline 1, and the vent hole is communicated with the mounting hole;
the lower extreme of connector 2 stretches into the connecting hole, the pore wall of connecting hole is equipped with the screw thread, the lower extreme of connector 2 with connecting hole threaded connection.
One end of the manual valve 3 is in threaded connection with the upper end of the connector 2, and the other end of the manual valve 3 is in threaded connection with the air inlet of the automatic valve 4.
The flowmeter pipeline is characterized in that two end openings of the flowmeter pipeline 1 are respectively provided with a flange plate, the flange plates are also provided with a plurality of fixing holes, and all the fixing holes surround the axial lead of the flowmeter pipeline 1 and are uniformly distributed on the flange plates.
An ultrasonic detection device is further installed on the outer wall of the flowmeter pipeline 1, and a probe 7 of the ultrasonic detection device extends into the flowmeter pipeline 1;
the mounting hole is located downstream of the ultrasonic detection device.
The limiting ring and the connector 2 are integrally formed.
The manual valve 3 is a locking valve, the automatic valve 4 is an automatic exhaust valve, and as shown in fig. 7, when exhausting, a precise composite intake and exhaust valve disclosed in the existing chinese patent No. cn201911092920.x can perform micro-exhaust through a secondary exhaust hole after exhausting a large amount of air. The exhaust is more complete, and when the gas is exhausted, as shown in fig. 8, when the water flow enters the automatic exhaust valve, the automatic exhaust valve is automatically closed, so that the water flow is prevented from overflowing from the exhaust valve.
As shown in fig. 9, in order to protect the water supply pipeline, the water supply pipeline is generally buried underground to reduce the contact with the external environment, the ultrasonic detection device is generally disposed above the ground surface, and the water supply pipeline buried underground needs to be bent to lead the pipeline to the ground, so that the ultrasonic detection device is convenient to install and observe, for this reason, the pipeline needs to be arched, gas is easily gathered in the water supply pipeline on the ground during long-term use, and a cavity is formed at the upper part of the water supply pipeline, the water flow of the ultrasonic detection device cannot be accurately measured when the water flow passes through the water supply pipeline, the manual valve 3 needs to be opened to discharge the gas in the pipeline from the installation hole, after the gas is completely discharged, the automatic valve 4 is closed when the water flow enters the automatic valve 4, so as to prevent the overflow of the water flow, and the gas gathered in the water supply pipeline can be discharged in time when the water supply pipeline is running, rivers also can remain stable water yield throughout in the pipeline, then use ultrasonic detection device to detect water supply pipe, obtain accurate data.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.
Claims (8)
1. The utility model provides a heavy-calibre flowmeter automatic exhaust device which characterized in that: the device comprises a flowmeter pipeline (1) and an exhaust member (6) arranged on the flowmeter pipeline (1), wherein the flowmeter pipeline (1) is cylindrical, a mounting hole penetrates through the top end of the cylinder wall of the flowmeter pipeline (1), the exhaust member (6) is arranged on the outer wall of the flowmeter pipeline (1), and the exhaust member (6) is communicated with the mounting hole;
exhaust spare (6) are including connector (2) and discharge valve, connector (2) are cylindricly, discharge valve installs on connector (2), connector (2) will discharge valve with the mounting hole switch-on.
2. The automatic exhaust device of a large-caliber flow meter according to claim 1, characterized in that: the exhaust valve comprises a manual valve (3) and an automatic valve (4), the manual valve (3) and the connector (2) are sequentially arranged from top to bottom, the manual valve (3) is used for communicating the automatic valve (4) with the connector (2), one end of the connector (2) is communicated with the mounting hole, and the other end of the connector (2) is communicated with the manual valve (3).
3. The automatic exhaust device of a large-caliber flow meter according to claim 2, characterized in that: the connector is characterized in that the connector (2) is vertically arranged, the outer cylinder walls at the two ends of the connector (2) are respectively provided with threads, the outer wall of the connector (2) is also provided with a limiting ring, and the limiting ring is sleeved at the middle part of the connector (2).
4. The automatic exhaust device of a large-caliber flow meter according to claim 3, wherein: the outer cylinder wall of the flowmeter pipeline (1) is further provided with a mounting seat (5), the mounting seat (5) is vertically arranged, the upper surface of the mounting seat (5) is provided with a connecting hole, the lower surface of the mounting seat (5) is provided with a vent hole, the connecting hole is communicated with the vent hole, the aperture of the connecting hole is larger than that of the vent hole, the lower end surface of the mounting seat (5) is fixedly connected with the cylinder wall of the flowmeter pipeline (1), and the vent hole is communicated with the mounting hole;
the lower extreme of connector (2) stretches into the connecting hole, the pore wall of connecting hole is equipped with the screw thread, the lower extreme of connector (2) with connecting hole threaded connection.
5. The automatic exhaust device of a large-caliber flow meter according to claim 4, wherein: one end of the manual valve (3) is in threaded connection with the upper end of the connector (2), and the other end of the manual valve (3) is in threaded connection with the air inlet of the automatic valve (4).
6. The automatic exhaust device of a large-caliber flow meter according to claim 5, wherein: the flowmeter is characterized in that two end openings of the flowmeter pipeline (1) are respectively provided with a flange plate, the flange plate is further provided with a plurality of fixing holes, and all the fixing holes surround the axial lead of the flowmeter pipeline (1) and are uniformly distributed on the flange plate.
7. The automatic exhaust device of a large-caliber flow meter according to claim 6, wherein: an ultrasonic detection device is further mounted on the outer wall of the flowmeter pipeline (1), and a probe (7) of the ultrasonic detection device extends into the flowmeter pipeline (1);
the mounting hole is located downstream of the ultrasonic detection device.
8. The automatic exhaust device of a large-caliber flow meter according to claim 3, wherein: the limiting ring and the connector (2) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021162613.2U CN213017921U (en) | 2020-06-22 | 2020-06-22 | Automatic exhaust device of large-caliber flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021162613.2U CN213017921U (en) | 2020-06-22 | 2020-06-22 | Automatic exhaust device of large-caliber flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213017921U true CN213017921U (en) | 2021-04-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021162613.2U Active CN213017921U (en) | 2020-06-22 | 2020-06-22 | Automatic exhaust device of large-caliber flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213017921U (en) |
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2020
- 2020-06-22 CN CN202021162613.2U patent/CN213017921U/en active Active
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