CN216483306U - Underground pipeline metering device - Google Patents
Underground pipeline metering device Download PDFInfo
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- CN216483306U CN216483306U CN202122612159.7U CN202122612159U CN216483306U CN 216483306 U CN216483306 U CN 216483306U CN 202122612159 U CN202122612159 U CN 202122612159U CN 216483306 U CN216483306 U CN 216483306U
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Abstract
The utility model discloses an underground pipeline metering device, which comprises a three-way pipe and a pipeline flowmeter, wherein the three-way pipe is arranged at the end part of an underground pipeline, the three-way pipe is tightly connected with the underground pipeline, the three-way pipe is provided with three mutually communicated openings which are respectively a first opening, a second opening and a third opening, and the first opening is inserted into the underground pipeline; the pipeline flowmeter is fixedly arranged at a second opening of the three-way pipe fitting, a water outlet of the pipeline flowmeter is connected with a water outlet pipe, and the water outlet pipe is fixedly connected with the pipeline flowmeter in a sealing way; the pipeline flowmeter, the water outlet pipe and the tee pipe fitting are communicated with each other. The utility model adopts the mode of reducing metering by the connection and matching of all parts, better solves the metering problem of large caliber and small flow, and ensures that the metering device of the underground pipeline can accurately and reliably meter.
Description
Technical Field
The utility model relates to an underground pipeline metering device.
Background
In underground pipe management, it is often necessary to meter the amount of water in a pipe. Due to the unique safety and uncertainty requirements of the underground pipeline, the pipe diameter design of the underground pipeline meets specific large flow, and in addition, the underground pipe network is subjected to multiple rounds of reconstruction and expansion, but the flow in most pipelines is extremely low, so that direct measurement cannot be carried out.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides an underground pipeline metering device to meet the metering requirement of an underground pipeline.
In order to achieve the purpose, the technical scheme adopted by the utility model is that the underground pipeline metering device comprises a three-way pipe fitting and a pipeline flowmeter, wherein the three-way pipe fitting is arranged at the end part of an underground pipeline, the three-way pipe fitting is tightly connected with the underground pipeline, the three-way pipe fitting is provided with three mutually communicated openings which are respectively a first opening, a second opening and a third opening, and the first opening is inserted into the underground pipeline; the pipeline flowmeter is fixedly installed at a second opening of the three-way pipe fitting in a sealing mode, a water outlet of the pipeline flowmeter is connected with a water outlet pipe, and the water outlet pipe is fixedly connected with the pipeline flowmeter in a sealing mode; wherein, the pipeline flowmeter, the water outlet pipe and the tee pipe fitting are communicated with each other.
In one embodiment of the utility model, a sealing structure is arranged between the three-way pipe fitting and the underground pipeline, and the sealing structure is respectively connected with the three-way pipe fitting and the underground pipeline in a sealing manner.
In an embodiment of the present invention, the sealing structure includes a rim and a sealing ring, the rim is fixedly sleeved on the three-way pipe fitting, the sealing ring is clamped on the rim, and the sealing ring is tightly attached to the inner wall of the underground pipeline.
In an embodiment of the present invention, the sealing ring is an inflatable sealing ring. And an inflation pipeline is arranged on the sealing ring.
In an embodiment of the present invention, the wheel ring is provided with a slot for placing the sealing ring.
In an embodiment of the utility model, the first opening and the second opening are located in a horizontal direction, and the third opening is located in a vertical direction.
In an embodiment of the present invention, the water outlet pipe is connected to an end of the pipe flowmeter far away from the tee pipe fitting.
In an embodiment of the present invention, the water outlet pipe is connected to one end of the pipeline flowmeter close to the tee pipe fitting, and one end of the pipeline flowmeter far from the tee pipe fitting is connected to a water inlet pipe.
In an embodiment of the utility model, the three-way pipe fitting and the pipeline flowmeter are fixedly installed through an installation plate, a through hole for water flow to pass through is formed in the installation plate, and the installation plate is fixedly connected with the pipeline flowmeter in a sealing manner.
In an embodiment of the present invention, the water outlet end of the water outlet pipe is bent into an inclined pipe. Upwards to
The technical scheme has the following beneficial effects:
the utility model realizes more accurate measurement of the flow in the underground pipeline by adopting the tee pipe fitting, the pipeline flowmeter and the water outlet pipe. Compared with the prior art, the utility model better solves the metering problem of large caliber and small flow by connecting and matching all the parts and adopting a reducing metering mode, thereby not only leading the metering device of the underground pipeline to be reliably metered, but also being convenient to disassemble and beneficial to field implementation and maintenance.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
Description of reference numerals: 1. a large-caliber pipeline; 2. a rim; 3. an inflatable seal ring; 4. an emergency tee joint; 5. a pipeline flow meter; 6. a water outlet pipe; 7. and (4) a water inlet pipe.
Detailed Description
The utility model will now be further described with reference to the following examples and figures 1 and 2.
Example 1
The utility model provides an underground pipe metering device, as shown in figure 1, includes on-the-spot original heavy-calibre pipeline 1, wheel rim 2, inflatable seal circle 3, emergent tee bend 4, pipeline flowmeter 5, outlet pipe 6, original heavy-calibre pipeline 1 is the drainage pipe of laying well for the scene, mainly is municipal branch pipe and district's drain pipe. In this embodiment, the underground pipe metering device is installed at the water outlet end of the large-caliber pipe 1. The emergency tee joint 4 is connected with an original pipeline in a sealing mode through an inflatable sealing ring and a wheel rim, the emergency tee joint is connected with a flowmeter in a transverse pipe mode, and the water outlet end of the flowmeter is connected with a water outlet pipe. The inflatable seal ring 3 is arranged in a groove of the rim 2, the rim 2 supports and protects the inflatable seal ring 3, and the rim 2 and the emergency tee joint 4 are tightly connected and are waterproof and stable. The inflatable sealing ring 3 can be inflated through an inflator, and the inflated inflatable sealing ring 3 is tightly attached to the inner wall of the large-caliber pipeline 1 in an inflation compensation deformation mode.
The height of the emergency tee joint water inlet and outlet is adjusted according to the field working condition, the metering reliability is guaranteed, and the emergency tee joint has the functions of reducing and emergency circulation. The emergency tee joint 4 has a reducing interface at one end for connecting the pipeline flowmeter 5, and a mounting plate (not shown) can be arranged at the end of the emergency tee joint 4 close to the pipeline flowmeter 5 in a specific connection mode, and the mounting plate is in screw fastening connection with the pipeline flowmeter 5. The pipe diameter of the pipeline flowmeter 5 is selected according to the field flow condition. The outlet section of the pipeline flowmeter 5 is provided with a water outlet pipe 6 to keep the flowmeter full of water. Furthermore, the tail end of the water outlet pipe 6 is bent, and an inclined water outlet mode is adopted to keep the water flow in the pipeline stable. The water outlet pipe keeps the pipeline flowmeter full of pipes and avoids water flow vortexes, so that the small flow is guaranteed to be accurately metered through the pipeline flowmeter. In the embodiment, the emergency tee joint 4 and the water outlet pipe 6 are made of U-PVC materials, so that the corrosion resistance and the connection reliability are realized; in other embodiments, other materials with the same specific effect may also be used.
In actual site construction, firstly, the underground pipeline metering device needs to be installed horizontally, namely a first opening and a second opening of the emergency tee joint 4 are in a horizontal state, and the axis of the pipeline flowmeter 5 is also in a horizontal state, so that the device is more reliable in operation; while a third opening located in the vertical direction is used for emergency outflow of the water flow. Secondly, the underground pipeline metering device is required to be supported in a vertical direction, and a supporting point can be arranged on the pipeline flowmeter 5 to prevent the underground pipeline metering device from being separated from the large-caliber pipeline 1.
Example 2
Unlike embodiment 1, in this embodiment, the underground pipe metering device is installed at the water inlet end of the large-diameter pipe 1, as shown in fig. 2. At the moment, the water outlet pipe 6 is installed at one end, close to the emergency tee joint 4, of the pipeline flowmeter 5, and the water outlet pipe 6 extends into the emergency tee joint. The tail end of the water outlet pipe 6 is designed to be bent upwards. The third opening of the emergency tee joint 4 in the vertical direction is used for emergency inflow of water flow. Simultaneously, be connected with inlet tube 7 at another port of pipeline flowmeter 5, inlet tube 7 and the sealed fixed connection of pipeline flowmeter 5, sewage flows to emergent tee bend 4 through inlet tube 7, pipeline flowmeter 5 to finally flow in heavy-calibre pipeline 1.
For the underground pipeline with large caliber and small flow under the working condition and incapable of accurately and directly measuring the outlet flow, the utility model accurately measures the small flow by the electromagnetic flowmeter, meets the requirement of emergency water inlet and outlet during accidental large flow and blockage by the emergency tee joint, and ensures the smoothness of the pipeline. The electromagnetic flowmeter and the emergency tee joint can be communicated in two directions to meet the requirements of different working conditions.
The above-described embodiments are intended to illustrate rather than to limit the utility model, and any changes and alterations made without inventive step within the spirit and scope of the claims are intended to fall within the scope of the utility model.
Claims (10)
1. The metering device for the underground pipeline is characterized by comprising a three-way pipe fitting and a pipeline flowmeter, wherein the three-way pipe fitting is arranged at the end part of the underground pipeline and is tightly connected with the underground pipeline, the three-way pipe fitting is provided with three mutually communicated openings which are respectively a first opening, a second opening and a third opening, and the first opening is inserted into the underground pipeline; the pipeline flowmeter is fixedly installed at a second opening of the three-way pipe fitting in a sealing mode, a water outlet of the pipeline flowmeter is connected with a water outlet pipe, and the water outlet pipe is fixedly connected with the pipeline flowmeter in a sealing mode; wherein, the pipeline flowmeter, the water outlet pipe and the tee pipe fitting are communicated with each other.
2. The underground pipeline metering device of claim 1, wherein a sealing structure is arranged between the tee pipe fitting and the underground pipeline, and the sealing structures are respectively in sealing connection with the tee pipe fitting and the underground pipeline.
3. An underground pipe metering device as claimed in claim 2 wherein said sealing structure comprises a rim and a sealing ring, said rim is fixedly secured to said tee fitting, said sealing ring is snap fitted to said rim, and said sealing ring is in close contact with the inner wall of said underground pipe.
4. An underground pipe metering device according to claim 3, wherein the sealing ring is an inflatable sealing ring.
5. An underground pipe metering device according to claim 3, wherein the collar is provided with a groove for receiving the sealing ring.
6. An underground pipe metering device according to claim 1, wherein the first and second openings are in a horizontal orientation and the third opening is in a vertical orientation.
7. An underground pipe metering device according to claim 1, wherein the outlet pipe is connected to an end of the pipe flow meter remote from the tee.
8. An underground pipe metering device according to claim 1, wherein the water outlet pipe is connected to an end of the pipe flow meter adjacent to the tee and an inlet pipe is connected to an end of the pipe flow meter remote from the tee.
9. An underground pipeline metering device according to claim 1, wherein the tee pipe fitting and the pipeline flowmeter are fixedly mounted by a mounting plate, the mounting plate is provided with a through hole for water flow to pass through, and the mounting plate and the pipeline flowmeter are fixedly connected in a sealing manner.
10. An underground pipe metering device as claimed in any one of claims 1 to 9 wherein the outlet end of the outlet pipe is bent into a pipe chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122612159.7U CN216483306U (en) | 2021-10-28 | 2021-10-28 | Underground pipeline metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122612159.7U CN216483306U (en) | 2021-10-28 | 2021-10-28 | Underground pipeline metering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216483306U true CN216483306U (en) | 2022-05-10 |
Family
ID=81444528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122612159.7U Active CN216483306U (en) | 2021-10-28 | 2021-10-28 | Underground pipeline metering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216483306U (en) |
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2021
- 2021-10-28 CN CN202122612159.7U patent/CN216483306U/en active Active
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