CN204881716U - Flowmeter convenient to change pressure tap pressure differential size according to actual flow - Google Patents
Flowmeter convenient to change pressure tap pressure differential size according to actual flow Download PDFInfo
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- CN204881716U CN204881716U CN201520500333.0U CN201520500333U CN204881716U CN 204881716 U CN204881716 U CN 204881716U CN 201520500333 U CN201520500333 U CN 201520500333U CN 204881716 U CN204881716 U CN 204881716U
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- voltage tube
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- cone
- straight length
- pressure
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- 238000007789 sealing Methods 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 abstract description 8
- 239000012530 fluid Substances 0.000 description 15
- 230000008901 benefit Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
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Abstract
The utility model discloses a flowmeter convenient to change pressure tap pressure differential size according to actual flow, including the straight tube section, it presses the pipe to be provided with in the straight tube section to get, get and press the pipe including low -voltage tube and high -voltage tube, still be connected with the conical body on the low -voltage tube, the toper structure of pressing the runner is got for central authorities are provided with to the conical body, just get and press the runner and the circulation passageway of low -voltage tube to communicate with each other, the low -voltage tube is L shape, the axis of the arbitrary one end of low -voltage tube and the axis collineation of straight tube section, and the tip of this end of low -voltage tube is provided with internal thread, the less one end of conical body diameter is provided with the external screw thread section, internal thread and external screw thread section threaded connection. The utility model discloses simple structure, the assembly of the bevel -type flowmeter of being convenient for, the usage that the bevel -type flowmeter was maintained and widened in the maintenance.
Description
Technical field
The utility model relates to fluid-transferring pipe piece apparatus field, particularly relates to a kind of flowmeter being convenient to change according to actual flow pressure tap magnitude of pressure differential.
Background technology
Electronic type monitoring equipment is widely used in fluid delivery tube wire system, because it is compared to mechanical type metering outfit completely, can conveniently realize the advantages such as teletransmission, volume is little, plant maintenance is easy, be widely used in the daily life of people and commercial production: as city tap-water, gas distributing system system; Industrial fluids delivery line system etc.
V-type cone flow meter is a kind of differential pressure flowmeter proposed the eighties in 20th century, and the throttling element of this flowmeter is a cone-shaped body hanging on pipeline central authorities, and high-pressure side is that before fluid does not flow through cone-shaped body, low-pressure side is generally the central authorities of cone-shaped body rear end.Because it is compared to traditional differential flowmeter, have low to the requirement of installation pipeline section flow development length, measuring accuracy is high, little to the crushing of pipeline, cause vortex degree low, pressure reduction stable output, be not detained the advantages such as foreign material, applied to widely in fluid metering field.The structure of further optimization V-type cone flow meter, can better enrich or optimize the function of V-type cone flow meter undoubtedly.
Utility model content
Fluid metering field is widely used in by V-type cone flow meter in prior art for above-mentioned, the structure of further optimization V-type cone flow meter, can better enrich or optimize the problem of the function of V-type cone flow meter undoubtedly, the utility model provides a kind of flowmeter being convenient to change according to actual flow pressure tap magnitude of pressure differential.
For the problems referred to above, a kind of flowmeter being convenient to change according to actual flow pressure tap magnitude of pressure differential that the utility model provides reaches utility model object by following technical essential: a kind of flowmeter being convenient to change according to actual flow pressure tap magnitude of pressure differential, comprise straight length, described straight length is provided with pressure pipe, described pressure pipe comprises low-voltage tube and high-voltage tube, described low-voltage tube is also connected with cone-shaped body, described cone-shaped body is the pyramidal structure that central authorities are provided with pressure runner, and described pressure runner communicates with the circulation passage of low-voltage tube, described low-voltage tube is L-shaped, the axis of any one end of low-voltage tube and the axis collinear of straight length, and the end of this end of low-voltage tube is provided with internal thread segment, one end that described cone-shaped body diameter is less is provided with external thread section, described internal thread segment is threaded with external thread section.
Concrete, in use, straight length is series in fluid circuit the utility model, and fluid flow to low pressure pipe end by high tension terminal, and low-voltage tube and high-voltage tube are respectively used to the pressure samples of two pressure reduction points.Adopt the version that is threaded with cone-shaped body of low-voltage tube, be convenient to assembling of the present utility model, maintenance and repair and widen purposes of the present utility model: this version by preboring on straight length be respectively used to low-voltage tube and high-voltage tube through hole, low-voltage tube and high-voltage tube to be inserted in the hole respectively and the form being welded to connect, being completed by the rear end feeding cone-shaped body of straight length the connection of cone-shaped body and low-voltage tube completes assembling of the present utility model; In practice, the cone-shaped body of unlike material or size can be changed according to actual flow, medium etc., so that all obtain ideal value in measuring accuracy and line pressure loss; The type of attachment that low-voltage tube and cone-shaped body removably connect, is convenient to maintenance and repair of the present utility model.
Further technical scheme is:
The for the benefit of precision measured of the utility model, as the version of a kind of low-voltage tube and cone-shaped body tie point good sealing effect, the connecting thread of described internal thread segment and external thread section is pipe thread.
The precision of for the benefit of the utility model measurement, as the uniform version of straight length section fluid flow velocity near a kind of sampling spot, the length being positioned at the straight length of cone-shaped body front end is not less than three times of straight length diameter, and the length being positioned at the straight length of cone-shaped body rear end is not less than a times of straight length diameter.Described front end is the one end not being provided with cone-shaped body, and described rear end is the one end being provided with cone-shaped body.
For ease of the connection of the utility model and fluid line, the two ends of described straight length are provided with joint flange.
As the form of a kind of the utility model and fluid line joint face good seal performance, described joint flange is provided with sealing surface, and described sealing surface is tongue and groove.
For ease of the connection of the utility model and corresponding pressure sensor parts, low-voltage tube and the high-voltage tube end be positioned at outside straight length is provided with internal thread or/and external thread.
The utility model has following beneficial effect:
The utility model structure is simple, adopt the version that is threaded with cone-shaped body of low-voltage tube, be convenient to assembling of the present utility model, maintenance and repair and widen purposes of the present utility model: this version by preboring on straight length be respectively used to low-voltage tube and high-voltage tube through hole, low-voltage tube and high-voltage tube to be inserted in the hole respectively and the form being welded to connect, being completed by the rear end feeding cone-shaped body of straight length the connection of cone-shaped body and low-voltage tube completes assembling of the present utility model; In practice, the cone-shaped body of unlike material or size can be changed according to actual flow, medium etc., so that all obtain ideal value in measuring accuracy and line pressure loss; The type of attachment that low-voltage tube and cone-shaped body removably connect, is convenient to maintenance and repair of the present utility model.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation being convenient to the flowmeter specific embodiment changing pressure tap magnitude of pressure differential according to actual flow described in the utility model.
Label shown in accompanying drawing is respectively: 1, joint flange, and 2, cone-shaped body, 3, straight length, 4, low-voltage tube, 5, high-voltage tube.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but structure of the present utility model is not limited only to following examples.
Embodiment 1:
As shown in Figure 1, a kind of flowmeter be convenient to according to actual flow change pressure tap magnitude of pressure differential, comprise straight length 3, described straight length 3 is provided with pressure pipe, described pressure pipe comprises low-voltage tube 4 and high-voltage tube 5, described low-voltage tube 4 is also connected with cone-shaped body 2, described cone-shaped body 2 is the pyramidal structure that central authorities are provided with pressure runner, and described pressure runner communicates with the circulation passage of low-voltage tube 4, described low-voltage tube 4 is L-shaped, the axis of any one end of low-voltage tube 4 and the axis collinear of straight length 3, and the end of this end of low-voltage tube 4 is provided with internal thread segment, one end that described cone-shaped body 2 diameter is less is provided with external thread section, described internal thread segment is threaded with external thread section.
In the present embodiment, in use, straight length 3 is series in fluid circuit the utility model, and fluid flow to low-voltage tube 4 end by high-voltage tube 5 end, and low-voltage tube 4 and high-voltage tube 5 are respectively used to the pressure samples of two pressure reduction points.Adopt the version that is threaded with cone-shaped body 2 of low-voltage tube 4, be convenient to assembling of the present utility model, maintenance and repair and widen purposes of the present utility model: this version by preboring on straight length 3 be respectively used to low-voltage tube 4 and high-voltage tube 5 through hole, low-voltage tube 4 and high-voltage tube 5 inserted in the hole respectively and be welded to connect, sent into the form that cone-shaped body 2 completes the connection of cone-shaped body 2 and low-voltage tube 4 by the rear end of straight length 3 and complete assembling of the present utility model; In practice, the cone-shaped body 2 of unlike material or size can be changed according to actual flow, medium etc., so that all obtain ideal value in measuring accuracy and line pressure loss; The type of attachment that low-voltage tube 4 and cone-shaped body 2 removably connect, is convenient to maintenance and repair of the present utility model.
Embodiment 2:
The present embodiment is further qualified on the basis of embodiment 1, as shown in Figure 1, the precision of for the benefit of the utility model measurement, as the version of a kind of low-voltage tube 4 with cone-shaped body 2 tie point good sealing effect, the connecting thread of described internal thread segment and external thread section is pipe thread.
The precision of for the benefit of the utility model measurement, as the uniform version of straight length 3 section fluid flow velocity near a kind of sampling spot, the length being positioned at the straight length 3 of cone-shaped body 2 front end is not less than three times of straight length 3 diameter, and the length being positioned at the straight length 3 of cone-shaped body 2 rear end is not less than a times of straight length 3 diameter.Described front end is the one end not being provided with cone-shaped body 2, and described rear end is the one end being provided with cone-shaped body 2.
For ease of the connection of the utility model and fluid line, the two ends of described straight length 3 are provided with joint flange 1.
As the form of a kind of the utility model and fluid line joint face good seal performance, described joint flange 1 is provided with sealing surface, and described sealing surface is tongue and groove.
For ease of the connection of the utility model and corresponding pressure sensor parts, low-voltage tube 4 and high-voltage tube 5 end be positioned at outside straight length 3 is provided with internal thread or/and external thread.
Above content is the further description done the utility model in conjunction with concrete preferred implementation, can not assert that embodiment of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, not departing from other embodiments drawn under the technical solution of the utility model, all should be included in protection domain of the present utility model.
Claims (6)
1. be convenient to the flowmeter changing pressure tap magnitude of pressure differential according to actual flow for one kind, comprise straight length (3), (3) are provided with pressure pipe to described straight length, described pressure pipe comprises low-voltage tube (4) and high-voltage tube (5), described low-voltage tube (4) is also connected with cone-shaped body (2), described cone-shaped body (2) is the pyramidal structure that central authorities are provided with pressure runner, and described pressure runner communicates with the circulation passage of low-voltage tube (4), it is characterized in that, described low-voltage tube (4) is L-shaped, the axis of any one end of low-voltage tube (4) and the axis collinear of straight length (3), and the end of low-voltage tube (4) this end is provided with internal thread segment, one end that described cone-shaped body (2) diameter is less is provided with external thread section, described internal thread segment is threaded with external thread section.
2. a kind of flowmeter be convenient to according to actual flow change pressure tap magnitude of pressure differential according to claim 1, it is characterized in that, the connecting thread of described internal thread segment and external thread section is pipe thread.
3. a kind of flowmeter be convenient to according to actual flow change pressure tap magnitude of pressure differential according to claim 1, it is characterized in that, the length being positioned at the straight length (3) of cone-shaped body (2) front end is not less than three times of straight length (3) diameter, and the length being positioned at the straight length (3) of cone-shaped body (2) rear end is not less than a times of straight length (3) diameter.
4. a kind of flowmeter be convenient to according to actual flow change pressure tap magnitude of pressure differential according to claim 1, it is characterized in that, the two ends of described straight length (3) are provided with joint flange (1).
5. a kind of flowmeter be convenient to according to actual flow change pressure tap magnitude of pressure differential according to claim 4, it is characterized in that, (1) is provided with sealing surface with described joint flange, and described sealing surface is tongue and groove.
6. according to a kind of flowmeter be convenient to according to actual flow change pressure tap magnitude of pressure differential in claim 1 to 5 described in any one, it is characterized in that, the end that low-voltage tube (4) and high-voltage tube (5) are positioned at straight length (3) outside is provided with internal thread or/and external thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520500333.0U CN204881716U (en) | 2015-07-13 | 2015-07-13 | Flowmeter convenient to change pressure tap pressure differential size according to actual flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520500333.0U CN204881716U (en) | 2015-07-13 | 2015-07-13 | Flowmeter convenient to change pressure tap pressure differential size according to actual flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204881716U true CN204881716U (en) | 2015-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520500333.0U Active CN204881716U (en) | 2015-07-13 | 2015-07-13 | Flowmeter convenient to change pressure tap pressure differential size according to actual flow |
Country Status (1)
| Country | Link |
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| CN (1) | CN204881716U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977051A (en) * | 2015-07-13 | 2015-10-14 | 成都国光电子仪表有限责任公司 | Cone-type flowmeter |
| CN107843308A (en) * | 2017-12-11 | 2018-03-27 | 无锡洋湃科技有限公司 | A kind of flux of moisture measurement apparatus based on exemption level radioactive source |
-
2015
- 2015-07-13 CN CN201520500333.0U patent/CN204881716U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977051A (en) * | 2015-07-13 | 2015-10-14 | 成都国光电子仪表有限责任公司 | Cone-type flowmeter |
| CN107843308A (en) * | 2017-12-11 | 2018-03-27 | 无锡洋湃科技有限公司 | A kind of flux of moisture measurement apparatus based on exemption level radioactive source |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |