CN208223575U - A kind of ultrasonic flow meter with small aperture pipe segment structure that straight pipe type is easily installed - Google Patents
A kind of ultrasonic flow meter with small aperture pipe segment structure that straight pipe type is easily installed Download PDFInfo
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- CN208223575U CN208223575U CN201820755102.8U CN201820755102U CN208223575U CN 208223575 U CN208223575 U CN 208223575U CN 201820755102 U CN201820755102 U CN 201820755102U CN 208223575 U CN208223575 U CN 208223575U
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Abstract
The utility model discloses a kind of ultrasonic flow meter with small aperture pipe segment structures that straight pipe type is easily installed, including pipeline section internal layer and pipeline section outer layer, the pipeline section internal layer is mounted on the inside of pipeline section outer layer, the both ends of the pipeline section internal layer are formed with mounting base, energy converter is installed in mounting base, the screwed pipe joint is total to two pieces, it is respectively arranged at the left and right ends of pipeline section outer layer, and it is threadedly coupled with pipeline section outer layer internal screw thread, the utility model has the beneficial effects that screwed pipe joint plays the role of two, first, pipeline section internal layer is applied one from two sides to hold out against and thick-and-thin fixed force, it is positioned at pipeline section internal layer accurately and reliably in pipeline section outer layer；Second, the external screw thread of outboard end processing is connected for accessing metering pipeline with movable joint, instead of the linkage function of pipeline section outer layer, both ensure that the intensity requirement of flowmeter Pipe installing, in turn ensures stability requirement of the pipeline section internal layer under pipeline section outer layer is fixed.
Description
Technical field
The invention belongs to pipelines to transmit flow measuring apparatus amount technical field, and in particular to a kind of straight pipe type is easily installed small
Bore ultrasonic flowmeter pipeline section structure.
Background technique
Ultrasonic flowmeter compared with traditional mechanical flow instrument, electromagnetic flow instrument it is high with measuring accuracy,
The features such as range ratio is big, small in size, at low cost, measuring principle are suitable for the variation of the parameters such as detected fluid temperature, density,
It is adaptable to the level of caliber and its pipeline, capwise, easy to use, the advantages that being easy to digital management.Currently, ultrasonic
Wave flowmeter has been widely applied to the field of flow measurement such as municipal heat supply, water utilities, industry, mine, power plant, and technology is increasingly
It is mature.
Chinese notification number is the installation that the utility model patent of 206440317 U of CN devises a kind of completely new energy converter
Mode is fixed into correlation using the pipeline section internal layer of plastic material to carry out installation to energy converter, is applied to small-bore metering
Field substantially increases the precision and range ratio of metering.But in actual use, the engineering plastics at pipeline section interface both ends
Outer flowmeter installation fastening after, due to fasten movable joint apply fastening force for a long time under the action of, can be in inner pipe
Layer generates corresponding deformation.And the small deformation meeting of pipeline section internal layer is so that its internal fixed position generation of the energy converter installed is small
Torsional displacement, to influence the precision of metering.
Utility model content
For the engineering plastics at pipeline section interface both ends in the utility model patent that Chinese notification number is 206440317 U of CN
Outer flowmeter installation fastening after, due to fasten movable joint apply fastening force for a long time under the action of, can be in inner pipe
Layer generates corresponding deformation, and the small deformation meeting of pipeline section internal layer is so that its internal fixed position of the energy converter installed generates small torsion
Qu Weiyi, to provide a kind of ultrasonic flow meter with small aperture that straight pipe type is easily installed the problem of influencing the precision of metering
Pipe segment structure.
A kind of ultrasonic flow meter with small aperture pipe segment structure that straight pipe type is easily installed, including outside pipeline section internal layer and pipeline section
Layer, the pipeline section internal layer are mounted on the inside of pipeline section outer layer, and the both ends of the pipeline section internal layer are formed with mounting base, energy converter installation
In mounting base, the both ends of the pipeline section outer layer are machined with internal screw thread, are machined with external screw thread at left and right sides of screwed pipe joint, institute
It states screwed pipe joint and is total to two pieces, be respectively arranged at the left and right ends of pipeline section outer layer, and be threadedly coupled with pipeline section outer layer, the screw thread
Pipeline section internal layer is held out against fixation by one end that pipe fitting protrudes into pipeline section outer layer.
On the basis of above scheme, the ultrasonic flow meter with small aperture pipe segment structure that the straight pipe type is easily installed,
The pipeline section internal layer successively passes through ultrasonic bonding or gluing by the first pipeline section internal layer, the second pipeline section internal layer and third pipeline section internal layer
It connects, wherein the first pipeline section internal layer and third pipeline section internal layer are bilateral symmetry, the first pipeline section internal layer has level-one
Undergauge, left side diameter are greater than right side diameter, and the second pipeline section internal layer has level-one undergauge, and it is straight that both ends diameter is greater than middle part
Diameter.
Preferably, the ultrasonic flow meter with small aperture pipe segment structure that the straight pipe type is easily installed, the pipeline section internal layer
By adding the engineering plastics of glass to be made.
Preferably, the ultrasonic flow meter with small aperture pipe segment structure that the straight pipe type is easily installed, the energy converter are logical
The mode for crossing ultrasonic bonding or glue sticking is fixed in mounting base.
On the basis of above scheme, the ultrasonic flow meter with small aperture pipe segment structure that the straight pipe type is easily installed,
The screwed pipe joint holds out against and is machined with step surface on one end of pipeline section internal layer, sets between step surface and the end face of pipeline section internal layer
It is equipped with the first sealing ring, annular groove is opened up on the excircle of the first pipeline section internal layer, the second sealing ring is provided in annular groove.
The utility model has the beneficial effects that
It smears and screw thread glue and screws between screwed pipe joint and pipeline section outer layer, play the role of two, first, by pipeline section internal layer
The power for applying a fixation held out against from two sides, is positioned at pipeline section internal layer accurately and reliably in pipeline section outer layer；Second, outside
The water pipeline that the external screw thread of end processing is used to access metering is connected with movable joint, instead of the linkage function of pipeline section outer layer, both
The intensity requirement that ensure that flowmeter Pipe installing in turn ensures the stability requirement of fixation of the pipeline section internal layer in pipeline section outer layer.
Detailed description of the invention
Fig. 1 is the structure principle chart of an embodiment of the present invention；
Fig. 2 is screwed pipe joint portion partial enlarged view in Fig. 1.
Specific embodiment
Below with reference to the attached drawing in the utility model embodiment, the technical solution of the utility model is described further.
A kind of ultrasonic flow meter with small aperture pipe segment structure that straight pipe type is easily installed, including pipeline section internal layer and pipeline section outer layer
11, the pipeline section internal layer is mounted on the inside of pipeline section outer layer 11, and the both ends of the pipeline section internal layer are formed with mounting base 17, energy converter
16 are installed in mounting base 17, and the both ends of the pipeline section outer layer 11 are machined with internal screw thread, and 12 left and right sides of screwed pipe joint adds
Work has external screw thread, and the screwed pipe joint 12 is total to two pieces, is respectively arranged at the left and right ends of pipeline section outer layer 11, and with pipeline section outer layer
11 are threadedly coupled, and pipeline section internal layer is held out against fixation by one end that the screwed pipe joint 12 protrudes into pipeline section outer layer 11.
As shown in Figure 1, pipeline section internal layer is plastic material, small both ends are big among diameter, can play rectified action in this way.
Mounting base 17 opens up threading hole, and the lead of energy converter 16 is drawn from threading hole, between pipeline section internal layer and pipeline section outer layer 11
Gap, the cable hole opened up from pipeline section outer layer 11 are drawn, are electrically connected with the device of metering.Screwed pipe joint 12 and pipeline section outer layer
It smears and screw thread glue and screws between 11, play the role of two, first, pipeline section internal layer permanent is held out against from two sides application one
Fixed force, be positioned at pipeline section internal layer accurately and reliably in pipeline section outer layer 11；Second, the external screw thread of outboard end processing is used for
The water pipeline of access metering is connected with movable joint, instead of the linkage function of pipeline section outer layer 11.Both flowmeter pipeline had been ensure that
The intensity requirement of installation in turn ensures the stability requirement of fixation of the pipeline section internal layer in pipeline section outer layer 11, for ultrasonic flow
The stability and measuring accuracy stability of meter metering sound path play an important role.
In order to make the water flow stationary of measuring section, the pipeline section internal layer is successively by the first pipeline section internal layer 13, the second pipeline section internal layer
14 and third pipeline section internal layer 15 formed by ultrasonic bonding or glue sticking, wherein the first pipeline section internal layer 13 and third pipeline section internal layer
15 be bilateral symmetry, and the first pipeline section internal layer 13 has a level-one undergauge, and left side diameter is greater than right side diameter, described the
Two pipeline section internal layers 14 have level-one undergauge, and both ends diameter is greater than mid diameter.By the way of undergauge step by step, make the whole of water flow
Stream effect is obvious, and measuring section is steady.Pipeline section internal layer point three parts are processed into, and are easily realized so that die sinking processing is more simple,
Improve production efficiency.
Flowmeter fouling in use in order to prevent, influences the use of flowmeter, and the pipeline section internal layer is to add glass
Engineering plastics be made.
The energy converter 16 is fixed in mounting base 17 by way of ultrasonic bonding or glue sticking.Energy converter 16
Rear end is by drawing string holes encapsulating sealant, so that the sealing performance and consistency of energy converter 16 greatly improve, energy converter
The fixed enhanced convenience of 16 installation eliminates the complicated installation by sealing ring and stainless steel plate and screw.
Specific installation method: energy converter 16 is installed on through ultrasonic bonding or by way of plastics glue sticking first
In mounting base 17；Then the first pipeline section internal layer 13, the second pipeline section internal layer 14 and third pipeline section internal layer 15 are docking together, are used
Ultrasonic bonding or smearing plastics glue sticking are into a single integrated structure.During installation, in order to guarantee coherence request, life is improved
Produce efficiency, meet required precision, need according to the first pipeline section internal layer 13, the second pipeline section internal layer 14 and third pipeline section internal layer 15 this
The shape of three components does corresponding tooling to complete the process of ultrasonic welding or plastics gluing.
In order to keep the sealing of energy converter, the screwed pipe joint 12 holds out against and is machined with step on one end of pipeline section internal layer
Face is provided with the first sealing ring 18, the excircle of the first pipeline section internal layer 13 between step surface and the end face of pipeline section internal layer
On open up annular groove, the second sealing ring 19 is provided in annular groove.The setting of two seals can guarantee good sealing.
It will be appreciated that the embodiments of the present invention while there has been shown and described that, for the common skill of this field
For art personnel, it is possible to understand that can be carried out to these embodiments in the case where not departing from the principles of the present invention and spirit
A variety of change, modification, replacement and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of ultrasonic flow meter with small aperture pipe segment structure that straight pipe type is easily installed, which is characterized in that including pipeline section internal layer
With pipeline section outer layer (11), the pipeline section internal layer is mounted on the inside of pipeline section outer layer (11), and the both ends of the pipeline section internal layer are formed with
Mounting base (17), energy converter (16) are installed in mounting base (17), and the both ends of the pipeline section outer layer (11) are machined with internal screw thread, spiral shell
It is machined with external screw thread at left and right sides of line pipe fitting (12), the screwed pipe joint (12) is total to two pieces, is respectively arranged at outside pipeline section
The left and right ends of layer (11), and be threadedly coupled with pipeline section outer layer (11), the screwed pipe joint (12) protrudes into pipeline section outer layer (11)
One end pipeline section internal layer is held out against into fixation.
2. the ultrasonic flow meter with small aperture pipe segment structure that straight pipe type as described in claim 1 is easily installed, which is characterized in that
The pipeline section internal layer successively passes through ultrasound by the first pipeline section internal layer (13), the second pipeline section internal layer (14) and third pipeline section internal layer (15)
Wave soldering connects or glue sticking forms, wherein the first pipeline section internal layer (13) and third pipeline section internal layer (15) they are bilateral symmetry, it is described
First pipeline section internal layer (13) has level-one undergauge, and left side diameter is greater than right side diameter, and the second pipeline section internal layer (14) has
Level-one undergauge, both ends diameter are greater than mid diameter.
3. the ultrasonic flow meter with small aperture pipe segment structure that straight pipe type as claimed in claim 1 or 2 is easily installed, feature exist
In, the pipeline section internal layer by plus the engineering plastics of glass be made.
4. the ultrasonic flow meter with small aperture pipe segment structure that straight pipe type as claimed in claim 1 or 2 is easily installed, feature exist
In the energy converter (16) is fixed in mounting base (17) by way of ultrasonic bonding or glue sticking.
5. the ultrasonic flow meter with small aperture pipe segment structure that straight pipe type as claimed in claim 2 is easily installed, which is characterized in that
The screwed pipe joint (12) holds out against and is machined with step surface on one end of pipeline section internal layer, the end face of step surface and pipeline section internal layer it
Between be provided with the first sealing ring (18), open up annular groove on the excircle of the first pipeline section internal layer (13), be arranged in annular groove
There are the second sealing ring (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820755102.8U CN208223575U (en) | 2018-05-21 | 2018-05-21 | A kind of ultrasonic flow meter with small aperture pipe segment structure that straight pipe type is easily installed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820755102.8U CN208223575U (en) | 2018-05-21 | 2018-05-21 | A kind of ultrasonic flow meter with small aperture pipe segment structure that straight pipe type is easily installed |
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| Publication Number | Publication Date |
|---|---|
| CN208223575U true CN208223575U (en) | 2018-12-11 |
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| CN201820755102.8U Active CN208223575U (en) | 2018-05-21 | 2018-05-21 | A kind of ultrasonic flow meter with small aperture pipe segment structure that straight pipe type is easily installed |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111121895A (en) * | 2020-01-10 | 2020-05-08 | 青岛海威茨仪表有限公司 | Large-caliber ultrasonic flowmeter |
| WO2021147189A1 (en) * | 2020-01-21 | 2021-07-29 | 青岛海威茨仪表有限公司 | Ultrasonic flowmeter pipe segment structure having welded threaded joint |
| WO2021147190A1 (en) * | 2020-01-21 | 2021-07-29 | 青岛海威茨仪表有限公司 | Tube section structure of ultrasonic flowmeter |
-
2018
- 2018-05-21 CN CN201820755102.8U patent/CN208223575U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111121895A (en) * | 2020-01-10 | 2020-05-08 | 青岛海威茨仪表有限公司 | Large-caliber ultrasonic flowmeter |
| WO2021147189A1 (en) * | 2020-01-21 | 2021-07-29 | 青岛海威茨仪表有限公司 | Ultrasonic flowmeter pipe segment structure having welded threaded joint |
| WO2021147190A1 (en) * | 2020-01-21 | 2021-07-29 | 青岛海威茨仪表有限公司 | Tube section structure of ultrasonic flowmeter |
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