CN206281533U - For the plug-in type rubber tube and electromagnetic flowmeter of electromagnetic flowmeter lining - Google Patents
For the plug-in type rubber tube and electromagnetic flowmeter of electromagnetic flowmeter lining Download PDFInfo
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- CN206281533U CN206281533U CN201621281863.1U CN201621281863U CN206281533U CN 206281533 U CN206281533 U CN 206281533U CN 201621281863 U CN201621281863 U CN 201621281863U CN 206281533 U CN206281533 U CN 206281533U
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- plug
- rubber tube
- electromagnetic flowmeter
- type rubber
- undergauge section
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Abstract
The utility model discloses a kind of plug-in type rubber tube and electromagnetic flowmeter for electromagnetic flowmeter lining, converging transition, undergauge section and divergent segment that this plug-in type rubber tube is made including integral die, the converging transition and divergent segment are provided with step in the junction outer ring with undergauge section two ends, the converging transition and divergent segment are the natural rubber of 50~53 degree of hardness shore, and the undergauge section is the natural rubber of 70~75 degree of hardness shore.This plug-in type rubber tube is while overall assembling is easy to, it is ensured that the physical dimension of reducing internal lining pipe, overcomes defect that is yielding, releasing, it is ensured that the metering accuracy and repeatability of electromagnetic flowmeter.
Description
Technical field
The utility model is related to a kind of plug-in type rubber tube for electromagnetic flowmeter lining and applies the plug-in type rubber
The electromagnetic flowmeter of sebific duct part.
Background technology
Electromagnetic flowmeter is to apply electromagnetic induction principle, the electromotive force sensed during according to conductor fluid by externally-applied magnetic field come
A kind of instrument of conductor fluid flow is measured, as shown in figure 1, electromagnetic flowmeter is main by measurement conduit 1, internal lining pipe 2, excitation wire
Circle 3, electrode 4 and terminal box 5 are constituted, and according to the measuring principle of electromagnetic flowmeter, measurement conduit 1 is non-magnetic alloy short tube,
Internal lining pipe 2 be insulating materials and located at measurement the inwall of conduit 1, electrode 4 along caliber direction be fixed on measurement the tube wall of conduit 1 and
Electrode tip is flushed with the inner surface of internal lining pipe 2, magnet exciting coil 3 by housing 6 located at measurement the outer wall of conduit 1, and with measurement conduit 1
Axis produces an operating fields on vertical direction, now, if the fluid with certain electrical conductivity flows through measurement conduit 1, will
Cutting magnetic line induces electromotive force, and electromotive force is that flow signal is detected by electrode 4 and is sent to terminal box 5, and terminal box 5 is by electricity
The signal that pole 4 detects is sent to follow-up converter via holding wire, and converter will be flowed after flow signal enhanced processing
Gauge amount.Wherein the directly contact fluid to be measured of internal lining pipe 2, increases the corrosion resistance of measurement conduit 1, prevents induced potential by metal
Measurement conduit 1 tube wall short circuit, the material of internal lining pipe 2 is mostly neoprene, polytetrafluoroethylplastic plastic or ceramics etc..
The electromagnetic flowmeter has deficiency all the time when low flow velocity fluid is measured, because in the case of low flow velocity, measurement
Rate of flow of fluid in conduit is too low, causes the electromotive force of sensing extremely faint, it is easy to by small vibrations and other are mixed and disorderly
The interference of signal, has a strong impact on the accuracy and precision of metering.In order to overcome the defect, the variable of low flow velocity is obtained, often
Using contract measurement conduit caliber, to improve the flow velocity that detected fluid flows through measurement conduit.To reach the purpose, mostly should at present
Electromagnetic flowmeter for low flow velocity measures conduit and reducing internal lining pipe using reducing, but fluid flows through reducing internal lining pipe minimum
The flow velocity increase of caliber section, therefore rigidity to reducing internal lining pipe has certain requirement；Traditional reducing internal lining pipe is due to using
The materials such as neoprene make, while measurement conduit is facilitated insertion into assembling, exist it is yielding, the defect such as release, seriously
Influence the metering accuracy and repeatability of electromagnetic flowmeter.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of plug-in type rubber for electromagnetic flowmeter lining
Pipe fitting, this plug-in type rubber tube is while overall assembling is easy to, it is ensured that the physical dimension of reducing internal lining pipe, overcomes mutability
Shape, the defect for releasing, improve the performance that internal lining pipe resists negative pressure, it is ensured that the metering accuracy of electromagnetic flowmeter and repetition
Property.
In order to solve the above technical problems, the plug-in type rubber tube that the utility model is used for electromagnetic flowmeter lining is included firmly
Spend for 50~53 degree of converging transitions of natural rubber of shore, hardness for the undergauge section and hardness of 70~75 degree of natural rubbers of shore are Shao
50~53 degree of divergent segments of natural rubber of family name, the converging transition, undergauge section and divergent segment are integrally formed by integral die, described
Converging transition and divergent segment are provided with step in the junction outer ring with undergauge section two ends.
Further, this plug-in type rubber tube also includes tubular metal net, and the tubular metal net is in this plug-in type rubber
It is embedded in during pipe fitting integral die in the undergauge section.
Further, this plug-in type rubber tube also includes steel pipe and ring support, and it is outer that the steel pipe is inserted in the undergauge section
Circle, the converging transition and divergent segment are provided with annular groove with the mesa sidewall at undergauge section two ends, and the ring support insertion is described
In annular groove, the steel pipe two ends are welded to connect with the ring support.
Further, the reducing angle of the converging transition and divergent segment is 5 ~ 15 °
Further, the tubular metal net is by SS316 stainless steels, aluminum metallic material or copper metal material that wall thickness is 1~3mm
Material is made.
Further, the steel pipe is by SS316 stainless steels, aluminum metallic material or copper metal material system that wall thickness is 1~3mm
Into the ring support is made up of carbon steel.
Further, the steel pipe includes that two semicircle steel pipes, described two semicircle steel pipe sockets are welded after entering the undergauge section
It is integrally formed, the ring support includes that two semicircular rings, described two semicircular rings are formed by welding after being embedded in the annular groove
Integrally.
A kind of electromagnetic flowmeter, the reducing internal lining pipe of the electromagnetic flowmeter is the plug-in type rubber tube of any of the above-described
Part.
Because the plug-in type rubber tube that the utility model is used for electromagnetic flowmeter lining employs above-mentioned technical proposal, i.e.,
Converging transition, undergauge section and divergent segment that this plug-in type rubber tube is made including integral die, the converging transition and divergent segment exist
Step is provided with the junction outer ring at undergauge section two ends, the converging transition and divergent segment are the natural rubber of 50~53 degree of hardness shore
Glue, the undergauge section is the natural rubber of 70~75 degree of hardness shore.This plug-in type rubber tube is being easy to the same of overall assembling
When, it is ensured that the rigidity of reducing internal lining pipe, overcome defect that is yielding, releasing, it is ensured that the metering accuracy of electromagnetic flowmeter
And repeatability.
Brief description of the drawings
The utility model is described in further detail with implementation method below in conjunction with the accompanying drawings：
Fig. 1 is electromagnetic flowmeter structural representation；
Fig. 2 is the schematic diagram of the plug-in type rubber tube that the utility model is used for electromagnetic flowmeter lining；
Fig. 3 is the schematic diagram with tubular metal net in this plug-in type rubber tube；
Fig. 4 is the schematic diagram with steel pipe and ring support in this plug-in type rubber tube.
Specific embodiment
Embodiment is as shown in Fig. 2 the plug-in type rubber tube that the utility model is used for electromagnetic flowmeter lining includes hardness
For 50~53 degree of converging transitions of natural rubber 21, hardness of shore for the undergauge section 22 and hardness of 70~75 degree of natural rubbers of shore are
50~53 degree of divergent segments of natural rubber 23 of shore, the converging transition 21, undergauge section 22 and divergent segment 23 pass through integral die structure
Integrally, the converging transition 21 and divergent segment 23 are provided with step 24 in the junction outer ring with 22 two ends of undergauge section.Using natural
Rubber effectively increases the mechanical strength of lining, converging transition with hardness as the natural rubber of 50~53 degree of shore as raw material and gradually
Expand section to facilitate insertion into the reducing measurement conduit of electromagnetic flowmeter, facilitate the assembling of lining, while being shore 70~75 by hardness
Rigidity when the undergauge section that the natural rubber of degree is constituted ensures that fluid Peak Flow Rate is flowed through, it is to avoid deformation；Simultaneously natural rubber with
Reducing measurement conduit between have good viscosity, be difficult to release, so as to ensure that electromagnetic flowmeter metering accuracy and
Repeatability.
As shown in Figure 3, it is preferred that this plug-in type rubber tube also includes tubular metal net 25, the tubular metal net 25
It is embedded in this plug-in type rubber tube integral die in the undergauge section 22.Tubular metal net is used to strengthen the firm of undergauge section
Property, even if using with the passing of time will not also deform, improving service life.
As shown in Figure 4, it is preferred that this plug-in type rubber tube also includes steel pipe 26 and ring support 27, the steel pipe 26
22 outer rings of undergauge section are inserted in, the converging transition 21 and divergent segment 23 are provided with annular with the side wall of step 24 at 22 two ends of undergauge section
Groove, the ring support 27 is embedded in the annular groove, and the two ends of the steel pipe 26 are welded to connect with the ring support 27.
Steel pipe and ring support constitute the protective case of undergauge section, equally play the reinforcing undergauge rigid effect of section.
Preferably, the reducing angle of the converging transition 21 and divergent segment 23 is 5 ~ 15 °
Preferably, the tubular metal net 25 is by SS316 stainless steels, aluminum metallic material or copper metal that wall thickness is 1~3mm
Material is made.
Preferably, the steel pipe 26 is by SS316 stainless steels, aluminum metallic material or copper metal material system that wall thickness is 1~3mm
Into the ring support 27 is made up of carbon steel.
Preferably, after the steel pipe 26 includes that two semicircle steel pipes, described two semicircle steel pipe sockets enter the undergauge section 22
One is formed by welding, the ring support 27 includes that two semicircular rings, described two semicircular rings are welded after being embedded in the annular groove
Connect and be integrally formed.Steel pipe and ring support are easy to assembling using half slide structure, simplify assembly technology, reduce equipment cost.
A kind of electromagnetic flowmeter, the reducing internal lining pipe of the electromagnetic flowmeter is the plug-in type rubber tube of any of the above-described
Part.The defect of traditional reducing internal lining pipe is overcome using the electromagnetic flowmeter of this plug-in type rubber tube, it is ensuring metering standard
While true property, measuring accuracy is improve, and reduce device fabrication cost, improve service life.
Claims (8)
1. a kind of plug-in type rubber tube for electromagnetic flowmeter lining, it is characterised in that：This plug-in type rubber tube includes
Hardness is 50~53 degree of converging transitions of natural rubber of shore, hardness for the undergauge section and hardness of 70~75 degree of natural rubbers of shore are
50~53 degree of divergent segments of natural rubber of shore, the converging transition, undergauge section and divergent segment are integrally formed by integral die, institute
State converging transition and divergent segment and be provided with step in the junction outer ring with undergauge section two ends.
2. the plug-in type rubber tube for electromagnetic flowmeter lining according to claim 1, it is characterised in that：This insertion
Formula rubber tube also includes tubular metal net, and the tubular metal net is embedded in described in this plug-in type rubber tube integral die
In undergauge section.
3. the plug-in type rubber tube for electromagnetic flowmeter lining according to claim 1, it is characterised in that：This insertion
Formula rubber tube also includes steel pipe and ring support, and the steel pipe is inserted in the undergauge section outer ring, the converging transition and divergent segment
Mesa sidewall with undergauge section two ends is provided with annular groove, and the ring support is embedded in the annular groove, the steel pipe two
End is welded to connect with the ring support.
4. the plug-in type rubber tube for electromagnetic flowmeter lining according to claim 1,2 or 3, it is characterised in that：
The reducing angle of the converging transition and divergent segment is 5 ~ 15 °.
5. the plug-in type rubber tube for electromagnetic flowmeter lining according to claim 2, it is characterised in that：The pipe
Shape wire netting is by wall thickness by the SS316 stainless steels of 1~3mm, aluminum metallic material or copper metal material are made.
6. the plug-in type rubber tube for electromagnetic flowmeter lining according to claim 3, it is characterised in that：The steel
, by wall thickness by the SS316 stainless steels of 1~3mm, aluminum metallic material or copper metal material are made, the ring support is by carbon steel system for pipe
Into.
7. the plug-in type rubber tube for electromagnetic flowmeter lining according to claim 6, it is characterised in that：The steel
Pipe includes that two semicircle steel pipes, described two semicircle steel pipe sockets are formed by welding one, the ring support after entering the undergauge section
Including two semicircular rings, described two semicircular rings are formed by welding one after being embedded in the annular groove.
8. a kind of electromagnetic flowmeter, it is characterised in that：The reducing internal lining pipe of the electromagnetic flowmeter is that claim 1 to 7 is any
Plug-in type rubber tube described in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621281863.1U CN206281533U (en) | 2016-11-28 | 2016-11-28 | For the plug-in type rubber tube and electromagnetic flowmeter of electromagnetic flowmeter lining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621281863.1U CN206281533U (en) | 2016-11-28 | 2016-11-28 | For the plug-in type rubber tube and electromagnetic flowmeter of electromagnetic flowmeter lining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206281533U true CN206281533U (en) | 2017-06-27 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621281863.1U Active CN206281533U (en) | 2016-11-28 | 2016-11-28 | For the plug-in type rubber tube and electromagnetic flowmeter of electromagnetic flowmeter lining |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114600618A (en) * | 2022-05-10 | 2022-06-10 | 河南农业大学 | Wheat is planted with fertilize irrigation equipment |
-
2016
- 2016-11-28 CN CN201621281863.1U patent/CN206281533U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114600618A (en) * | 2022-05-10 | 2022-06-10 | 河南农业大学 | Wheat is planted with fertilize irrigation equipment |
| CN114600618B (en) * | 2022-05-10 | 2024-01-09 | 河南农业大学 | Fertilizing and irrigating device for wheat planting |
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