CN207649689U - A kind of small bore electromagnetic flowmeter - Google Patents
A kind of small bore electromagnetic flowmeter Download PDFInfo
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- CN207649689U CN207649689U CN201721840276.6U CN201721840276U CN207649689U CN 207649689 U CN207649689 U CN 207649689U CN 201721840276 U CN201721840276 U CN 201721840276U CN 207649689 U CN207649689 U CN 207649689U
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Abstract
The utility model is related to a kind of flow measurement device fields, more particularly to a kind of small bore electromagnetic flowmeter, including shell, measurement pipe, pole shoe and lining, the measurement pipe is square column, two opposite faces of measurement pipe longitudinal center open up electrode fitting groove respectively, other two opposite face opens up mounting hole respectively, it is laid respectively at the center of two opposite faces of measurement pipe and lays electrode assembly respectively at the center of pole shoe and magnet exciting coil, other two opposite face, the magnet exciting coil is rectangular in intermediate openings, and the upper plane of magnet exciting coil lays pressing plate；The both ends of measurement pipe extend outward to form be laid with small flange plate at drill holder Gu Tai, the drill holder Gu Tai respectively, and the thickness of small flange plate is 3mm or more, not concordant between the outer end face and the outer end face of drill holder Gu Tai of small flange plate；Electromagnetic Flow is calculated as clipping or flange join type structure.The utility model is simple in structure, easy for installation, and practicability is good, and applicability is wide.
Description
Technical field
The utility model is related to a kind of flow measurement device, more particularly to a kind of small bore electromagnetic flowmeter.
Background technology
It is not influenced by the density of fluid, viscosity, temperature, pressure and conductivity variations when electromagnetic flowmeter survey, therefore
High certainty of measurement, sensor service life are extremely long；The Sensor section of electromagnetic flowmeter only has lining, electrode and fluid to be measured to connect
It touches, as long as reasonably selecting electrode and inner lining material, you can it is corrosion-resistant and wear-resistant, it is welcome by more users.
And micro- small-bore electromagnetic flowmeter bore is small, therefore tighter, manufacture craft requirement is required its structure and material
Also higher, it can be only achieved the purpose of metered flow；The measurement pipe and magnet exciting coil of existing small bore electromagnetic flowmeter are adopted
With circular configuration, measurement pipe is arcwall face, therefore contact area is smaller when magnet exciting coil is fixed on measurement pipe, causes fixed effect not
Ideal is unfavorable for magnet exciting coil operation, and using the magnet exciting coil of circular configuration, magnetic field range is small, magnetic field stability is poor, signal
It is more unstable, the precision of measurement effect is influenced, small bore electromagnetic flowmeter structure is single, cannot be adjusted, cannot be according to peace
The dress required connection type of environmental selection, poor practicability, applicability are narrow.
Utility model content
The purpose of this utility model is to provide a kind of simple in structure, and easy for installation, practicability is good, the wide small mouth of applicability
Diameter electromagnetic flowmeter.
To achieve the goals above, the technical solution of the utility model is：
A kind of small bore electromagnetic flowmeter, including shell, measurement pipe, pole shoe and lining, the measurement pipe are square column
The left and right horizontal direction of shape, measurement pipe transverse center opens up lining channel, and the two of lining and lining is laid in the lining channel
End buret left and right ends face of testing oneself respectively is emerged, and two opposite faces of measurement pipe longitudinal center open up electrode fitting groove, another respectively
Outer two opposite faces open up mounting hole respectively, and the electrode fitting groove is in lining channel, two opposite faces of measurement pipe
It is laid respectively at the heart and lays electrode assembly, the excitation wire respectively at the center of pole shoe and magnet exciting coil, other two opposite face
Circle is rectangular in intermediate openings, and the pole shoe is square, and pole shoe is located in magnet exciting coil and the close patch of four sides of pole shoe difference
Four medial surfaces of magnet exciting coil are closed, the upper plane of magnet exciting coil lays pressing plate, and the bottom of the electrode assembly, which is worn to electrode, installs
In slot；The both ends of measurement pipe extend outward to form be laid with small flange plate at drill holder Gu Tai, the drill holder Gu Tai respectively, institute
It states small flange plate and drill holder Gu Tai is structure as a whole, the thickness of small flange plate is 3mm or more, the outer end face of small flange plate and change
It is not concordant between the outer end face of diameter set Gu Tai；Shell package small flange plate and measurement pipe, Electromagnetic Flow be calculated as it is clipping or
Flange join type structure.
Further, when the Electromagnetic Flow is calculated as clipping structure, the outer end face of the small flange plate fits closely greatly
Ring flange, lays shell between two large flange disks, and the shell is two sections and is mutually butted fixation, and the two of shell
Outer end face fits closely the end face of large flange disk respectively；When the Electromagnetic Flow is calculated as flange join type structure, the large flange
The outer end face of disk lays conduit, and two ring flanges, one of ring flange and large flange disk are laid in the both ends of the conduit respectively
It fits closely connection and the ring flange and large flange disk contact surface end is concaved with inner groovy, measurement pipe left and right ends face
The lining emerged is built in the inner groovy of the ring flange respectively.
Further, the two-port in the lining channel extends through the left and right end face of measurement pipe.
Further, the electrode assembly includes electrode, electrode pressure cap, insulating bushing and saucer washer, the electrode
Insulating bushing is laid on top, and the vertical section of the insulating bushing is in " ⊥ " shape, and the outer end face of insulating bushing is threadedly coupled electrode pressure
It is pressed between plane in cap, the lower plane of electrode pressure cap and the bottom major diameter section of insulating bushing to have saucer washer, the middle part of electrode
Electrode seal groove is opened up, O-ring is laid in the electrode seal groove.
Further, the drill holder consolidates that platform is cylinder, and the diameter of drill holder Gu Tai is less than the width of measurement pipe, described
The diameter of small flange plate is more than the width of measurement pipe.
Further, the difference convex of vertical direction up and down of the longitudinal center of the measurement pipe is equipped with hollow truncated cone-shaped
Thread groove, the middle part of the lining extend to the inner bottom surface of truncated cone-shaped thread groove up and down respectively, and the electrode assembly is located at round platform
In shape thread groove and the upper plane of electrode assembly is higher than the upper plane of truncated cone-shaped thread groove.
Further, the pressing plate is fixed to the upper plane of magnet exciting coil, the bottom of the screw thread axis pin by screw thread axis pin
Portion penetrates in mounting hole, and the top of screw thread axis pin is higher than the upper plane of pressing plate and is fixed with nut.
The beneficial effects of the utility model are：
The measurement pipe of the small bore electromagnetic flowmeter of the utility model is square column, is convenient for the fixation of magnet exciting coil, together
Shi Zeng great be tested conductive liquid by area, magnet exciting coil is rectangular in intermediate openings, compared to the excitation of circular configuration
The magnet exciting coil magnetic field range of coil, square structure increases, and magnetic field is more stablized, signal is preferable, improves the accurate of measurement effect
Degree, pole shoe is square, convenient for being used cooperatively with magnet exciting coil；The both ends of measurement pipe extend outward to form drill holder Gu Tai respectively,
Convenient for adding small flange plate at drill holder Gu Tai, you can be fixed for clipping electricity by small flange plate and large flange disk
Magnetic flowmeter can also add conduit for flange join type electromagnetic flowmeter on small flange plate, can be selected according to installation environment
Required connection type is selected, convenient and efficient, practicability is good, applicability is wide；Small flange plate and drill holder Gu Tai are structure as a whole,
The intensity for reinforcing small flange plate improves the hardness of small flange plate, and the thickness of small flange plate is 3mm or more, and small flange plate is avoided to exist
Small flange plate ensures the using effect of small flange plate by burn-through when generating deformation or welding when being connected with large flange disk or conduit；
It is not concordant between the outer end face and the outer end face of drill holder Gu Tai of small flange plate, in large flange disk or conduit and drill holder Gu Tai
When outer end face contacts, realizes the two-position contact between end face and end face, between outer wall and inner wall, increase contact area, ensure
Large flange disk or the fastness of conduit connection；The vertical section of insulating bushing is in " ⊥ " shape, can increase insulating bushing and electrode it
Between contact area, be effectively protected electrode；The utility model is simple in structure, easy for installation.
Description of the drawings
Fig. 1 be a kind of small bore electromagnetic flowmeter of the utility model it is clipping when structural schematic diagram.
Fig. 2 be in a kind of Fig. 1 of small bore electromagnetic flowmeter of the utility model A to cutting structural schematic diagram.
Fig. 3 is a kind of structural schematic diagram of the measurement pipe of small bore electromagnetic flowmeter of the utility model.
Fig. 4 is a kind of structural schematic diagram of the electrode assembly of small bore electromagnetic flowmeter of the utility model.
Fig. 5 be a kind of small bore electromagnetic flowmeter of the utility model it is clipping when dimensional structure diagram.
Structural schematic diagram when Fig. 6 is a kind of flange join type of small bore electromagnetic flowmeter of the utility model.
Attached figure label is：1 is large flange disk, and 2 be shell, and 3 be pole shoe, and 4 be magnet exciting coil, and 5 be measurement pipe, and 6 be electricity
Pole component, 61 be electrode pressure cap, and 62 be insulating bushing, and 63 be electrode, and 64 be saucer washer, and 65 be O-ring, and 7 be lining, and 8 are
Small flange plate, 9 be pressing plate, and 10 be screw thread axis pin, and 11 be truncated cone-shaped thread groove, and 12 be conduit, and 13 be lining channel, and 14 be electrode
Mounting groove, 15 be mounting hole, and 16 be drill holder Gu Tai.
Specific implementation mode
The utility model is further illustrated with reference to the accompanying drawings and detailed description：
Embodiment one
As shown in fig. 1~fig. 5, a kind of small bore electromagnetic flowmeter, including shell 2, measurement pipe 5, pole shoe 3 and lining 7,
The measurement pipe 5 is square column, and the left and right horizontal direction of 5 transverse center of measurement pipe opens up lining channel 13, and the lining is logical
The both ends 5 left and right ends face of buret of testing oneself respectively that lining 7 and lining 7 are laid in road 13 is emerged, two of 5 longitudinal center of measurement pipe
Opposite face opens up electrode fitting groove 14 respectively, other two opposite face opens up mounting hole 15 respectively, and the electrode fitting groove 14 passes through
Lining channel 13 is worn, lays that pole shoe 3 and magnet exciting coil 4, other two is opposite at the center of two opposite faces of measurement pipe 5 respectively
Electrode assembly 6 is laid at the center in face respectively, the magnet exciting coil 4 is rectangular in intermediate openings, and the pole shoe 3 is square, pole
Boots 3 are located in magnet exciting coil 4 and four sides of pole shoe 3 fit closely four medial surfaces of magnet exciting coil 4 respectively, and the lower of pole shoe 3 is put down
Face fits closely the lateral surface of measurement pipe 5, is welding between pole shoe 3 and measurement pipe 5, the upper plane of magnet exciting coil 4 lays pressing plate
9, the bottom of the electrode assembly 6 is worn to electrode fitting groove 14；It is solid that the both ends of measurement pipe 5 extend outward to form drill holder respectively
Platform 16, the drill holder, which is consolidated at platform 16, is laid with small flange plate 8, and the small flange plate 8 and drill holder consolidate platform 16 and be structure as a whole,
The thickness of small flange plate 8 is 3mm or more, and the outer end face and drill holder of small flange plate 8 consolidate between the outer end face of platform 16 not concordantly；Institute
It states the package small flange plate 8 of shell 2 and measurement pipe 5, Electromagnetic Flow is calculated as clipping structure, the outer end face of the small flange plate 8 is tight
Closely connected conjunction large flange disk 1, shell 2 is laid between two large flange disks 1, and the shell 2 is two sections and is mutually butted
Fixed, two outer end faces of shell 2 fit closely the end face of large flange disk 1 respectively.
The two-port in the lining channel 13 extends through the left and right end face of measurement pipe 5.
The electrode assembly 6 includes electrode 63, electrode pressure cap 61, insulating bushing 62 and saucer washer 64, the electrode 63
Top lay insulating bushing 62, the vertical section of the insulating bushing 62 is in " ⊥ " shape, and the outer end face screw thread of insulating bushing 62 connects
It is pressed between plane in receiving electrode pressure cap 61, the lower plane of electrode pressure cap 61 and the bottom major diameter section of insulating bushing 62 to have dish-shaped pad
Circle 64, the middle part of electrode 63 opens up electrode seal groove, and O-ring 65 is laid in the electrode seal groove；The bottom of the electrode 63
Portion is flushed across electrode fitting groove 14 with lining 7；The vertical direction up and down of the longitudinal center of the measurement pipe 5 distinguishes outside projection
There are hollow truncated cone-shaped thread groove 11, the middle part of the lining 7 to extend to the inner bottom surface of truncated cone-shaped thread groove 11, institute up and down respectively
State that electrode assembly 6 is located in truncated cone-shaped thread groove 11 and the upper plane of electrode assembly 6 is higher than the upper plane of truncated cone-shaped thread groove 11,
O-ring 65 is located at plane on the lining 7 at 11 inner bottom surface of truncated cone-shaped thread groove, between electrode pressure cap 61 and truncated cone-shaped thread groove 11
To be threadedly coupled, 11 guard electrode component 6 of truncated cone-shaped thread groove avoids electrode assembly 6 impaired；As a kind of embodiment,
Lining 7 is F46 or PFA linings in the present embodiment, and the electrode is HC, HB, 316L stainless steel or Ti electrodes.
The drill holder consolidates that platform 16 is cylinder, and the diameter that drill holder consolidates platform 16 is less than the width of measurement pipe 5, the small method
The diameter of blue disk 8 is more than the width of measurement pipe 5.
The upper planar cloth that the pressing plate 9 is fixed to magnet exciting coil 4 by screw thread axis pin 10 is equipped with pressing plate, the screw thread axis pin
10 bottom penetrates in mounting hole 15, and the top of screw thread axis pin 10 is higher than the upper plane of pressing plate 9 and is fixed with nut, as one kind
Embodiment, the screw thread axis pin 10 in the present embodiment are pin, and one end of pin offers external screw thread line, outside the pin band
The upper plane that the end of threaded line is located at pressing plate 9 is connected with nut thread, and being connected with the pin with external screw thread line by nut makes
Pressing plate 9 is fixed to the upper plane of magnet exciting coil 4, then opposite by two of two 4 pressings of magnet exciting coil to measurement pipe 5 respectively
Face；Plain cushion is laid between the nut and screw thread axis pin 10.
Embodiment two
As shown in fig. 6, a kind of small bore electromagnetic flowmeter, the present embodiment and embodiment one are essentially identical, something in common
It repeats no more, the difference is that：Electromagnetic Flow is calculated as flange join type structure, and the outer end face of the large flange disk 1 is laid
Conduit 12, conduit 12 are extension tube, and two ring flanges, one of ring flange and big are laid in the both ends of the conduit 12 respectively
Ring flange 1 fits closely connection and the ring flange and 1 contact surface end of large flange disk are concaved with inner groovy, is convenient for measurement
The lining 7 that 5 left and right ends face of pipe is emerged is built in the inner groovy of the ring flange, protective lining 7, and lining 7 is avoided to damage.
It is worth noting that the ring flange and large flange disk 1,1 and of large flange disk of the conduit 12 in above-mentioned two embodiment
It is to be welded and fixed between small flange plate 8, large flange disk 1 and shell 2.
The embodiment of the above, the only preferred embodiment of the utility model not limit the utility model
Practical range, therefore the equivalent change or modification that all structure, feature and principles according to described in the utility model patent range are done,
It should be included in present utility model application the scope of the claims.
Claims (7)
1. a kind of small bore electromagnetic flowmeter, including shell, measurement pipe, pole shoe and lining, which is characterized in that the measurement pipe
Be square column, and the left and right horizontal direction of measurement pipe transverse center opens up lining channel, laid in the lining channel lining and
The both ends of lining buret left and right ends face of testing oneself respectively is emerged, and two opposite faces of measurement pipe longitudinal center open up electrode peace respectively
Tankage, other two opposite face open up mounting hole respectively, and the electrode fitting groove runs through lining channel, and two of measurement pipe are opposite
It is laid respectively at the center in face and lays electrode assembly respectively at the center of pole shoe and magnet exciting coil, other two opposite face, it is described
Magnet exciting coil is rectangular in intermediate openings, and the pole shoe is square, and pole shoe is located in magnet exciting coil and four sides of pole shoe difference
Four medial surfaces of magnet exciting coil are fitted closely, the upper plane of magnet exciting coil lays pressing plate, and the bottom of the electrode assembly is worn to electricity
In the mounting groove of pole；The both ends of measurement pipe extend outward to form be laid with small method at drill holder Gu Tai, the drill holder Gu Tai respectively
Blue disk, the small flange plate and drill holder Gu Tai are structure as a whole, and the thickness of small flange plate is 3mm or more, small flange plate it is outer
It is not concordant between end face and the outer end face of drill holder Gu Tai；The shell package small flange plate and measurement pipe, Electromagnetic Flow are calculated as
Clipping or flange join type structure.
2. a kind of small bore electromagnetic flowmeter according to claim 1, which is characterized in that the Electromagnetic Flow is calculated as pressing from both sides
When holding formula structure, the outer end face of the small flange plate fits closely large flange disk, and shell is laid between two large flange disks,
The shell is two sections and is mutually butted fixation, and two outer end faces of shell fit closely the end face of large flange disk respectively；Institute
When stating Electromagnetic Flow and being calculated as flange join type structure, the outer end face of the large flange disk lays conduit, the both ends point of the conduit
Not Bu She two ring flanges, one of ring flange and large flange disk fit closely connection and the ring flange and large flange disk contact
Face end is concaved with inner groovy, and the lining that measurement pipe left and right ends face is emerged is built in the inner groovy of the ring flange respectively
In.
3. a kind of small bore electromagnetic flowmeter according to claim 1, which is characterized in that the both ends in the lining channel
Mouth extends through the left and right end face of measurement pipe.
4. a kind of small bore electromagnetic flowmeter according to claim 1, which is characterized in that the electrode assembly includes electricity
Insulating bushing is laid on the top of pole, electrode pressure cap, insulating bushing and saucer washer, the electrode, and the perpendicular of the insulating bushing is cut
Face is in " ⊥ " shape, and the outer end face of insulating bushing is threadedly coupled electrode pressure cap, the lower plane of electrode pressure cap and the bottom of insulating bushing
It is pressed between plane in major diameter section to have saucer washer, electrode seal groove is opened up in the middle part of electrode, is laid in the electrode seal groove
There is O-ring.
5. a kind of small bore electromagnetic flowmeter according to claim 1, which is characterized in that the drill holder Gu Tai is in circle
Cylindricality, the diameter of drill holder Gu Tai are less than the width of measurement pipe, and the diameter of the small flange plate is more than the width of measurement pipe.
6. a kind of small bore electromagnetic flowmeter according to claim 1, which is characterized in that in the longitudinal direction of the measurement pipe
The difference convex of vertical direction up and down of the heart is equipped with hollow truncated cone-shaped thread groove, and the middle part of the lining extends to up and down respectively
The inner bottom surface of truncated cone-shaped thread groove, the electrode assembly is located in truncated cone-shaped thread groove and the upper plane of electrode assembly is higher than round platform
The upper plane of shape thread groove.
7. a kind of small bore electromagnetic flowmeter according to claim 1, which is characterized in that the pressing plate passes through threaded
Axis is fixed to the upper plane of magnet exciting coil, and the bottom of the screw thread axis pin penetrates in mounting hole, and the top of screw thread axis pin is higher than pressure
The upper plane of plate and it is fixed with nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721840276.6U CN207649689U (en) | 2017-12-26 | 2017-12-26 | A kind of small bore electromagnetic flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721840276.6U CN207649689U (en) | 2017-12-26 | 2017-12-26 | A kind of small bore electromagnetic flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207649689U true CN207649689U (en) | 2018-07-24 |
Family
ID=62878733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721840276.6U Expired - Fee Related CN207649689U (en) | 2017-12-26 | 2017-12-26 | A kind of small bore electromagnetic flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207649689U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260938A (en) * | 2019-07-05 | 2019-09-20 | 山东齐芯智控科技有限公司 | A kind of electromagnetic flowmeter |
| CN114235062A (en) * | 2021-11-24 | 2022-03-25 | 无锡欧百仪表科技有限公司 | Shockproof durable electromagnetic flowmeter |
-
2017
- 2017-12-26 CN CN201721840276.6U patent/CN207649689U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260938A (en) * | 2019-07-05 | 2019-09-20 | 山东齐芯智控科技有限公司 | A kind of electromagnetic flowmeter |
| CN114235062A (en) * | 2021-11-24 | 2022-03-25 | 无锡欧百仪表科技有限公司 | Shockproof durable electromagnetic flowmeter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180724 |