CN208860408U - A kind of diaphragm capsule-type vortex shedding flow transducer - Google Patents
A kind of diaphragm capsule-type vortex shedding flow transducer Download PDFInfo
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- CN208860408U CN208860408U CN201821530969.XU CN201821530969U CN208860408U CN 208860408 U CN208860408 U CN 208860408U CN 201821530969 U CN201821530969 U CN 201821530969U CN 208860408 U CN208860408 U CN 208860408U
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- connecting tube
- bellows
- hard core
- connecting rod
- diaphragm capsule
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Abstract
The utility model discloses a kind of diaphragm capsule-type vortex shedding flow transducers; including left connecting tube, right connecting tube and main connecting tube; sealing ring is installed between connecting rod and main connecting tube; main connecting tube is equipped with bellows body at the center of inside of left connecting tube side; the center of inside of bellows body is equipped with bellows hard core; one end of bellows hard core is connected with c-type spring leaf, and matcoveredn is arranged between bellows hard core and bellows body, and the both ends outer surface of protective layer is mounted on metallic membrane.Center of inside in the utility model in bellows body is equipped with bellows hard core; one end of bellows hard core is connected with c-type spring leaf; matcoveredn is set between bellows hard core and bellows body; the both ends outer surface of protective layer is mounted on metallic membrane; c-type spring leaf is in contact with connecting rod; using bellows-type metallic membrane structure, the influence caused by sensing element when can reduce pipe vibration, convenient for being used for a long time.
Description
Technical field
The utility model relates to a kind of vortex flow sensors, in particular to a kind of diaphragm capsule-type vortex shedding flow transducer.
Background technique
Vortex-shedding meter be the measurement gas researched and produced according to Karman vortex street principle, the volume flow of steam or liquid,
Mark condition volume flow or mass flow volume flowmeter, and its inductive probe of general vortex flow sensors be easy by
Fluid causes the influence of pipe vibration to cause structure unstable in transmission, is not easy to be used for a long time.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies of existing technologies, and provides a kind of bellow-type flux of vortex street
Sensor, using bellows-type metallic membrane structure, the influence caused by sensing element when can reduce pipe vibration, convenient for permanent
It uses.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:
A kind of diaphragm capsule-type vortex shedding flow transducer of the utility model, including left connecting tube, right connecting tube and main connecting tube,
The main connecting tube is equipped with fixing seat between left connecting tube and right connecting tube at the top of the main connecting tube, described solid
The bottom of reservation is equipped with casing, and converter assembly, the bottom peace of the converter assembly are equipped at the top of the fixing seat
Equipped with connecting rod, the end of the connecting rod extends to the inside of main connecting tube, installs between the connecting rod and main connecting tube
Have a sealing ring, the main connecting tube is equipped with bellows body at the center of inside of left connecting tube side, the bellows body it is interior
Portion center is equipped with bellows hard core, and one end of the bellows hard core is connected with c-type spring leaf, the bellows hard core and bellows body it
Between matcoveredn is set, the both ends outer surface of the protective layer is mounted on metallic membrane.
As a kind of optimal technical scheme of the utility model, the main connecting tube respectively with left connecting tube, right connecting tube
It is connected.
As a kind of optimal technical scheme of the utility model, the c-type spring leaf is in contact with connecting rod.
As a kind of optimal technical scheme of the utility model, described sleeve pipe socket-connects with connecting rod.
As a kind of optimal technical scheme of the utility model, the protective layer is made by silicone oil material.
Compared with prior art, the beneficial effects of the utility model are as follows:
Center of inside in the utility model in bellows body is equipped with bellows hard core, and one end of bellows hard core is connected with c-type
Spring leaf, is arranged matcoveredn between bellows hard core and bellows body, the both ends outer surface of protective layer is mounted on metallic membrane, C
Type spring leaf is in contact with connecting rod, using bellows-type metallic membrane structure, makes when can reduce pipe vibration to sensing element
At influence, convenient for being used for a long time.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the overall structure diagram of the utility model；
In figure: 1, left connecting tube；2, right connecting tube；3, main connecting tube；4, fixing seat；5, casing；6, converter assembly；7,
Connecting rod；8, sealing ring；9, bellows body；10, bellows hard core；11, c-type spring leaf；12, protective layer；13, metallic membrane.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Wherein identical label all refers to identical component in attached drawing.
In addition, if the detailed description of known technology for show the utility model be characterized in it is unnecessary, then by it
It omits.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to it is attached
Direction in figure, word "inner" and "outside" refer respectively to the direction towards or away from geometric center of specific component.
It should also be noted that, unless otherwise clearly defined and limited, term " setting ", " connection " should do broad sense reason
Solution, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connection, it can also be with
It is electrical connection；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary.
For the ordinary skill in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition, this
Outside, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
Embodiment 1
As shown in Figure 1, the utility model provides a kind of diaphragm capsule-type vortex shedding flow transducer, including left connecting tube 1, right connection
Pipe 2 and main connecting tube 3, between left connecting tube 1 and right connecting tube 2, the top of main connecting tube 3 is equipped with main connecting tube 3
Fixing seat 4, the bottom of fixing seat 4 are equipped with casing 5, and the top of fixing seat 4 is equipped with converter assembly 6, converter assembly 6
Bottom is equipped with connecting rod 7, and piezoelectric sensing element is arranged in the inside of connecting rod 7, convenient for transmitting a signal to converter assembly 6,
The end of connecting rod 7 extends to the inside of main connecting tube 3, and sealing ring 8, main connection are equipped between connecting rod 7 and main connecting tube 3
Pipe 3 is equipped with bellows body 9 at the center of inside of left 1 side of connecting tube, and the center of inside of bellows body 9 is equipped with bellows hard core
10, one end of bellows hard core 10 is connected with c-type spring leaf 11, and matcoveredn 12 is arranged between bellows hard core 10 and bellows body 9, protects
The both ends outer surface of sheath 12 is mounted on metallic membrane 13.
Further, main connecting tube 3 is connected with left connecting tube 1, right connecting tube 2 respectively, is convenient for left connecting tube 1, right company
Measure fluid line needed for adapter tube 2 is external, fluid after entering in main connecting tube 3 by c-type spring leaf 11, connecting rod 7 with
And fluid flow is measured after the formation vortex street structure of bellows hard core 10.
C-type spring leaf 11 is in contact with connecting rod 7, convenient for c-type spring leaf 11 by the pressure of fluid flow rate after, can will
Power is transmitted at connecting rod 7.
Casing 5 socket-connects with connecting rod 7, and casing 5 can be made to play the role of protecting connecting rod 7.
Protective layer 12 is made by silicone oil material, and silicone oil has brilliant heat resistance, electrical insulating property, weatherability, hydrophobic
Property, physiological inertia and lesser surface tension, additionally there is low viscosity-temperature coefficient, higher resistance to compression, the kind having also
With radiation-resistant performance, the metallic membrane 13 at both ends can be made not interfere with each other, and prevent metallic membrane 13 by compared with
Cause to damage after big fluid impact, the normal work of metallic membrane 13 is kept, convenient for being used for a long time for flow sensor.
Specifically, main connecting tube 3 is between left connecting tube 1 and right connecting tube 2, main connecting tube 3 respectively with left connecting tube
1, right connecting tube 2 is connected, and convenient for left connecting tube 1, the external required measurement fluid line of right connecting tube 2, fluid is entering to master
Fluid flow is measured after forming vortex street structure by c-type spring leaf 11, connecting rod 7 and bellows hard core 10 after in connecting tube 3, is turned
Exchanger package 6 is mounted on the top of main connecting tube 3 by fixing seat 4, and converter assembly 6 is connected with connecting rod 7, connecting rod
7 end extends to the inside of main connecting tube 3, receives fluid flow signal, connection by connecting rod 7 convenient for converter assembly 6
Sealing ring 8 is installed between bar 7 and main connecting tube 3, strengthens leakproofness, inside of the main connecting tube 3 close to left 1 side of connecting tube
Centre is equipped with bellows body 9, and the center of inside of bellows body 9 is equipped with bellows hard core 10, and one end of bellows hard core 10 is connected with C
Matcoveredn 12 is arranged in type spring leaf 11 between bellows hard core 10 and bellows body 9, the both ends outer surface of protective layer 12 is mounted on
Metallic membrane 13, the impact force for receiving left connecting tube 1 with generating during right 2 fluid movement of connecting tube, passes through c-type bullet
Reed 11 drives connecting rod 7 to swing, and converter assembly 6 is made to receive the signal of the transmission of connecting rod 7.
Center of inside in the utility model in bellows body 9 is equipped with bellows hard core 10, one end connection of bellows hard core 10
There is c-type spring leaf 11, matcoveredn 12 is set between bellows hard core 10 and bellows body 9, and the both ends outer surface of protective layer 12 is pacified
Equipped with metallic membrane 13, c-type spring leaf 11 is in contact with connecting rod 7, using bellows-type metallic membrane structure, can reduce pipeline
It is influenced caused by sensing element when vibration, convenient for being used for a long time.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of diaphragm capsule-type vortex shedding flow transducer, including left connecting tube (1), right connecting tube (2) and main connecting tube (3),
It is characterized in that, the main connecting tube (3) is between left connecting tube (1) and right connecting tube (2), the top of the main connecting tube (3)
Portion is equipped with fixing seat (4), and the bottom of the fixing seat (4) is equipped with casing (5), is equipped at the top of the fixing seat (4)
The bottom of converter assembly (6), the converter assembly (6) is equipped with connecting rod (7), and the end of the connecting rod (7) extends
To the inside of main connecting tube (3), it is equipped between the connecting rod (7) and main connecting tube (3) sealing ring (8), the main connection
Pipe (3) is equipped with bellows body (9) at the center of inside of left connecting tube (1) side, the center of inside peace of the bellows body (9)
Equipped with bellows hard core (10), one end of the bellows hard core (10) is connected with c-type spring leaf (11), the bellows hard core (10) with
Matcoveredn (12) are set between bellows body (9), the both ends outer surface of the protective layer (12) is mounted on metallic membrane (13).
2. a kind of diaphragm capsule-type vortex shedding flow transducer according to claim 1, which is characterized in that the main connecting tube (3)
It is connected respectively with left connecting tube (1), right connecting tube (2).
3. a kind of diaphragm capsule-type vortex shedding flow transducer according to claim 1, which is characterized in that the c-type spring leaf
(11) it is in contact with connecting rod (7).
4. a kind of diaphragm capsule-type vortex shedding flow transducer according to claim 1, which is characterized in that described sleeve pipe (5) and company
Extension bar (7) socket-connects.
5. a kind of diaphragm capsule-type vortex shedding flow transducer according to claim 1, which is characterized in that the protective layer (12) by
Silicone oil material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821530969.XU CN208860408U (en) | 2018-09-18 | 2018-09-18 | A kind of diaphragm capsule-type vortex shedding flow transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821530969.XU CN208860408U (en) | 2018-09-18 | 2018-09-18 | A kind of diaphragm capsule-type vortex shedding flow transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208860408U true CN208860408U (en) | 2019-05-14 |
Family
ID=66418397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821530969.XU Active CN208860408U (en) | 2018-09-18 | 2018-09-18 | A kind of diaphragm capsule-type vortex shedding flow transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208860408U (en) |
-
2018
- 2018-09-18 CN CN201821530969.XU patent/CN208860408U/en active Active
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