CN211904255U - Micro-caliber externally-inserted electrode structure of electromagnetic flowmeter - Google Patents
Micro-caliber externally-inserted electrode structure of electromagnetic flowmeter Download PDFInfo
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- CN211904255U CN211904255U CN202020952595.1U CN202020952595U CN211904255U CN 211904255 U CN211904255 U CN 211904255U CN 202020952595 U CN202020952595 U CN 202020952595U CN 211904255 U CN211904255 U CN 211904255U
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Abstract
The utility model relates to an electrode structure is inserted to small bore outer of electromagnetic flowmeter, including the positioning seat, stereoplasm insulating sheath, end cover, belleville spring, the sealing ring, insulating elastic sealing ring and metal electrode, positioning seat cylinder trough-shaped structure, belleville spring inlays in the positioning seat, the terminal surface offsets bottom the positioning seat through insulating elastic sealing ring and positioning seat, the up end offsets through insulating elastic sealing ring and stereoplasm insulating sheath hypomere, the terminal surface offsets under the stereoplasm insulating sheath inlays up end and the sealed end cover in the positioning seat, the cladding of end cover is at the positioning seat up end, metal electrode inlays in the stereoplasm insulating sheath. The novel device can meet the requirements of rapid disassembly and assembly operation of the pipeline to be detected and can effectively meet the requirements of being matched with small-caliber pipeline equipment; on the other hand has good structural strength, sealing reliability and electric conductivity, can satisfy when improving detection operating efficiency and precision, effectively improves this novel bearing and resisting ability to high pressure environment in addition.
Description
Technical Field
The utility model relates to an electrode structure is exactly an electrode structure is inserted in small bore of electromagnetic flowmeter.
Background
In the existing electromagnetic flowmeter, the plugging electrode is one of the commonly used electrode structures, and the electrodes used in the traditional electromagnetic flowmeter all adopt an interpolation structure, namely, the plugging and installation are required to be carried out from the inside of pipeline equipment, so that the traditional electrode structure is often difficult to install and disassemble when being installed with small-caliber pipeline equipment, and even the current electrode structure cannot meet the use requirement of the small-caliber pipeline;
in addition, traditional this kind of electrode equipment is in operation, often has connection structure intensity, sealing strength and stability all relatively weak to cause when the medium pressure is great in the pipeline equipment that detects, very easily lead to present grafting electrode and pipeline interface and grafting electrode self structure clearance to take place to reveal the phenomenon, and when further having increased the grafting electrode and leaking the corruption damage risk because of the material, also lead to the stability of pipeline equipment operation to receive great influence.
Therefore, in order to meet the current situation, a micro-caliber external-insertion electrode structure of the electromagnetic flowmeter is urgently needed to be developed so as to meet the requirement of practical use.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides an electromagnetic flowmeter micro-caliber external insertion electrode structure which has simple structure, high integration degree and flexible and convenient use, can realize the operation requirement of fast disassembly and assembly with a pipeline to be detected on the one hand, and can effectively meet the requirement of matching with the installation of small-caliber pipeline equipment, thereby greatly improving the working efficiency of installation and maintenance operation and reducing the labor intensity and the operation difficulty; on the other hand has good structural strength, sealing reliability and electric conductivity, can satisfy when improving detection operation efficiency and precision, effectively improve this novel bearing and resisting ability to high pressure environment in addition, from stopping this novel structural damage that causes because of high pressure environment and this novel and pipeline junction take place to reveal the occurence of failure.
In order to achieve the above purpose, the present invention is realized by the following technical solution:
an electrode structure inserted outside a micro-caliber of an electromagnetic flowmeter comprises a positioning seat, a hard insulating sheath, a sealing end cover, a disc spring, a sealing ring, an insulating elastic sealing ring and a metal electrode, wherein the positioning seat is in a cylindrical groove-shaped structure with a cross section shaped like a Chinese character 'ji', a through hole coaxially distributed with the positioning seat is formed in the bottom of the positioning seat, the disc spring is embedded in the positioning seat, coaxially distributed with the positioning seat and slidably connected with the side wall of the positioning seat, the lower end face of the disc spring is abutted against the bottom of the positioning seat through the insulating elastic sealing ring, the upper end face of the disc spring is abutted against the lower section of the hard insulating sheath through the insulating elastic sealing ring, the hard insulating sheath is in a cylindrical structure coaxially distributed with the positioning seat, the upper end face of the hard insulating sheath is embedded in the positioning seat and is 0-10 mm lower, and the sealing end cover is provided with guide holes which are coaxially distributed with the positioning seat, the metal electrode is embedded in the hard insulating sheath and coaxially distributed with the hard insulating sheath, the side wall of the metal electrode is in sliding connection with the side wall of the hard insulating sheath, the lower end face of the metal electrode is positioned outside the bottom of the positioning seat by at least 1 mm through the through holes, the upper end face of the metal electrode is higher than the upper end face of the sealing end cover by at least 5 mm, at least 2-5 sealing rings are respectively arranged between the contact faces of the hard insulating sheath and the positioning seat and between the contact faces of the hard insulating sheath and the metal electrode, and the sealing rings are coaxially distributed.
Furthermore, a connecting seat which is coaxially distributed with the positioning seat is arranged below the positioning seat, the connecting seat comprises a bearing groove and a sealing washer, the bearing groove is of a structure with an axis cross section in a shape of Jiong, the upper end face of the bearing groove is connected with the lower end face of the positioning seat and coaxially distributed, the outer diameter of the bearing groove is 1.5-2 times of the outer diameter of the positioning seat, the sealing washer is embedded in the bearing groove and coaxially distributed with the bearing groove, and at least three connecting screw holes which are uniformly distributed around the axis of the positioning seat and are parallelly distributed with the axis of the positioning seat are uniformly distributed on the bearing groove and the sealing washer.
Furthermore, the metal electrode is of a cylindrical structure, a disc-shaped fin plate which is coaxial with the metal electrode is arranged on the side surface of the metal electrode, the fin plate covers the outer side of the metal electrode, the outer diameter of the fin plate is 60% -90% of the diameter of the hard insulating sheath, and the fin plate is embedded between the hard insulating sheath and the insulating elastic sealing ring.
Furthermore, a limiting groove is formed in the lower end face of the hard insulating sheath corresponding to the fin plate, the fin plate is embedded in the limiting groove, and the lower end face of the fin plate exceeds the lower end face of the hard insulating sheath by 0-5 mm.
Furthermore, the sealing end cover is connected with the upper end face of the hard insulating sheath through a spring washer.
Furthermore, the metal electrode up end establish lock nut, insulating protective cap and terminal, lock nut cladding is outside the metal electrode to offset with sealed end cover up end, insulating protective cap cladding is outside metal electrode up end, lock nut and sealed end cover, the terminal inlays in insulating protective cap surface to through wire and metal electrode electrical connection, pass through threaded connection between metal electrode and the insulating sheath of stereoplasm, and the insulating sheath of stereoplasm and thru hole and guiding hole pore wall contact surface department all establish an insulating elastic sealing ring.
The novel pipeline detection device is simple in structure, high in integration degree and flexible and convenient to use, can meet the requirements of rapid disassembly and assembly operation of a pipeline to be detected and can effectively meet the requirements of being matched with small-caliber pipeline equipment, so that the working efficiency of installation and maintenance operation is greatly improved, and the labor intensity and the operation difficulty are reduced; on the other hand has good structural strength, sealing reliability and electric conductivity, can satisfy when improving detection operation efficiency and precision, effectively improve this novel bearing and resisting ability to high pressure environment in addition, from stopping this novel structural damage that causes because of high pressure environment and this novel and pipeline junction take place to reveal the occurence of failure.
Drawings
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of the overall structure of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in figure 1, an electromagnetic flowmeter micro-caliber externally-inserted electrode structure comprises a positioning seat 1, a hard insulating sheath 2, a sealing end cover 3, a disc spring 4, a sealing ring 5, an insulating elastic sealing ring 6 and a metal electrode 7, wherein the positioning seat 1 is in a cylindrical groove-shaped structure with a cross section in a shape of a Chinese character 'ji', the bottom of the positioning seat 1 is provided with through holes 8 which are coaxially distributed with the positioning seat 1, the disc spring 4 is embedded in the positioning seat 1 and is coaxially distributed with the positioning seat 1 and is in sliding connection with the side wall of the positioning seat 1, the lower end face of the disc spring 4 is abutted against the bottom of the positioning seat 1 through the insulating elastic sealing ring 6, the upper end face is abutted against the lower section of the hard insulating sheath 2 through the insulating elastic sealing ring 6, the hard insulating sheath 2 is in a cylindrical structure which is coaxially distributed with the positioning seat 1, the upper end face of the hard insulating sheath 2 is embedded in the, the sealing end cover 3 cladding is at 1 up end of positioning seat, and establish on the sealing end cover 3 with the guiding hole 9 of 1 coaxial distribution of positioning seat, metal electrode 7 inlays in stereoplasm insulating sheath 2 and with the coaxial distribution of stereoplasm insulating sheath 2, and metal electrode 7 lateral wall and 2 lateral walls sliding connection of stereoplasm insulating sheath, the terminal surface is located the outer 1 millimeter in positioning seat 1 bottom through thru hole 8 down, the up end exceeds the 3 up end of sealing end cover by 5 millimeters at least, all establish 2-5 sealing rings 5 between stereoplasm insulating sheath 2 and the 1 contact surface of positioning seat and between stereoplasm insulating sheath 2 and the 7 contact surface of metal electrode at least, sealing ring 5 and the coaxial distribution of positioning seat 1, and along 1 axial direction equipartition of positioning seat.
It is emphasized that a connecting seat coaxially distributed with the positioning seat 1 is arranged below the positioning seat 1, the connecting seat includes a bearing groove 101 and a sealing washer 102, wherein the bearing groove 101 is a groove-shaped structure with an axis cross section in the shape of 'Jiong', the upper end surface of the bearing groove is connected with the lower end surface of the positioning seat 1 and coaxially distributed, the outer diameter of the bearing groove 101 is 1.5-2 times of the outer diameter of the positioning seat, the sealing washer 102 is embedded in the bearing groove 101 and coaxially distributed with the bearing groove 101, and at least three connecting screw holes 103 uniformly distributed around the axis of the positioning seat 1 and distributed in parallel with the axis of the positioning seat 1 are uniformly distributed on the bearing groove 101 and the sealing.
In this embodiment, the metal electrode 7 is a cylindrical structure, a disc-shaped fin plate 10 is disposed on a side surface of the metal electrode 7 and coaxially distributed with the metal electrode 7, the fin plate 10 covers the outer side of the metal electrode 7, and has an outer diameter of 60% -90% of the diameter of the hard insulating sheath 2 and is embedded between the hard insulating sheath 2 and the insulating elastic sealing ring 6.
Further preferably, the lower end face of the hard insulating sheath 2 corresponding to the fin plate 10 is provided with a limiting groove 11, the fin plate 10 is embedded in the limiting groove 11, and the lower end face of the fin plate 10 exceeds the lower end face of the hard insulating sheath 2 by 0-5 mm.
In addition, the sealing end cover 3 is connected with an elastic pad 12 between the upper end surfaces of the hard insulating sheaths 2.
It should be specially mentioned that the upper end surface of the metal electrode 7 is provided with a lock nut 71, an insulating protection cap 72 and a binding post 73, the lock nut 71 is covered outside the metal electrode 7 and abuts against the upper end surface of the sealing end cover 3, the insulating protection cap 72 is covered outside the upper end surface of the metal electrode 7, the lock nut 72 and the sealing end cover 3, the binding post 73 is embedded on the outer surface of the insulating protection cap 72 and is electrically connected with the metal electrode 7 through a lead 74, the metal electrode 7 is connected with the hard insulating sheath 2 through a thread, and the contact surfaces of the hard insulating sheath 2, the through hole 8 and the hole wall of the guide hole 9 are respectively provided with an insulating elastic sealing ring 6.
This is novel in concrete implementation, at first according to the use needs with this neotype positioning seat install treat the connecting tube surface and with treat the coaxial distribution of electrode spliced eye on the connecting tube, then assemble stereoplasm insulating sheath, end cover, belleville spring, sealing ring, insulating elastic sealing ring and metal electrode to make metal electrode pass through the positioning seat and imbed to wait to detect in the pipeline, pass through terminal and external circuit intercommunication with metal electrode at last, can accomplish this novel assembly.
In the assembling process, the novel structure realizes the installation operation outside the pipeline, thereby effectively overcoming the defect that the traditional electrode structure has large internal installation difficulty or can not be installed due to small pipe diameter, meanwhile, the novel structure is connected and positioned between the hard insulating sheath and the positioning seat, the sealing end cover and the metal electrode on one hand, and the metal electrode is connected and positioned through the locking nut on the other hand, thereby realizing the purpose of improving the structural strength and the connection stability of the novel structure through multiple mechanical connection and positioning; on the other hand, the sealing capacity of the novel sealing device is improved by effectively realizing the arrangement of a plurality of sealing rings and insulating elastic sealing rings.
In addition, during operation, on one hand, the positioning strength can be improved, and meanwhile, the impact force generated during pressure fluctuation can be elastically absorbed through the elastic deformation capacity of the disc spring and the insulating elastic sealing ring, so that the overall structural strength and stability of the novel structure are improved; on the other hand, the connection relationship between the hard insulating sheath and the sealing end cover and the connection between the hard insulating sheath and the metal electrode are realized through the fin plate in addition to the threaded connection, so that the stability of the positioning structure of the metal electrode is further improved.
The novel pipeline detection device is simple in structure, high in integration degree and flexible and convenient to use, can meet the requirements of rapid disassembly and assembly operation of a pipeline to be detected and can effectively meet the requirements of being matched with small-caliber pipeline equipment, so that the working efficiency of installation and maintenance operation is greatly improved, and the labor intensity and the operation difficulty are reduced; on the other hand has good structural strength, sealing reliability and electric conductivity, can satisfy when improving detection operation efficiency and precision, effectively improve this novel bearing and resisting ability to high pressure environment in addition, from stopping this novel structural damage that causes because of high pressure environment and this novel and pipeline junction take place to reveal the occurence of failure.
Those skilled in the art should understand that the present invention is not limited by the above embodiments. The foregoing embodiments and description have been made only for the purpose of illustrating the principles of the invention. The present invention can be further modified and improved without departing from the spirit and scope of the present invention. Such changes and modifications are intended to be within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an electrode structure is inserted to little bore of electromagnetic flowmeter which characterized in that: the micro-caliber externally-inserted electrode structure of the electromagnetic flowmeter comprises a positioning seat, a hard insulating sheath, a sealing end cover, a disc spring, a sealing ring, an insulating elastic sealing ring and a metal electrode, wherein the positioning seat is in a cylindrical groove-shaped structure with a cross section in a shape of Chinese character 'ji', through holes coaxially distributed with the positioning seat are formed in the bottom of the positioning seat, the disc spring is embedded in the positioning seat, coaxially distributed with the positioning seat and slidably connected with the side wall of the positioning seat, the lower end face of the disc spring is abutted against the bottom of the positioning seat through the insulating elastic sealing ring, the upper end face of the disc spring is abutted against the lower section of the hard insulating sheath through the insulating elastic sealing ring, the hard insulating sheath is in a cylindrical structure coaxially distributed with the positioning seat, embedded in the positioning seat, the upper end face of the hard insulating sheath is 0-10 mm lower than the upper end face of, and the sealing end cover is provided with guide holes which are coaxially distributed with the positioning seat, the metal electrode is embedded in the hard insulating sheath and coaxially distributed with the hard insulating sheath, the side wall of the metal electrode is in sliding connection with the side wall of the hard insulating sheath, the lower end face of the metal electrode is positioned outside the bottom of the positioning seat by at least 1 mm through the through holes, the upper end face of the metal electrode is higher than the upper end face of the sealing end cover by at least 5 mm, at least 2-5 sealing rings are respectively arranged between the contact faces of the hard insulating sheath and the positioning seat and between the contact faces of the hard insulating sheath and the metal electrode, and the sealing rings and the positioning seat are coaxially.
2. The micro-caliber external-plug electrode structure of the electromagnetic flowmeter as claimed in claim 1, wherein: the positioning seat under set with the coaxial connecting seat that distributes of positioning seat, the connecting seat includes bearing groove and seal ring, wherein bearing groove is that the axis cross-section is "Jiong" font slot-shaped structure, and its up end is connected and coaxial distribution with the positioning seat lower extreme face, and the bearing groove external diameter is 1.5-2 times of positioning seat external diameter, seal ring inlays in bearing groove and with the coaxial distribution of bearing groove, just bearing groove and seal ring equipartition are at least three to encircle positioning seat axis equipartition and with positioning seat axis parallel distribution's connection screw.
3. The micro-caliber external-plug electrode structure of the electromagnetic flowmeter as claimed in claim 1, wherein: the metal electrode is of a cylindrical structure, a disc-shaped fin plate which is coaxial with the metal electrode is arranged on the side surface of the metal electrode, the fin plate covers the outer side of the metal electrode, the outer diameter of the fin plate is 60% -90% of the diameter of the hard insulating sheath, and the fin plate is embedded between the hard insulating sheath and the insulating elastic sealing ring.
4. The micro-caliber external-plug electrode structure of the electromagnetic flowmeter as claimed in claim 3, wherein: the lower end face of the hard insulating sheath corresponding to the fin plate is provided with a limiting groove, the fin plate is embedded in the limiting groove, and the lower end face of the fin plate exceeds the lower end face of the hard insulating sheath by 0-5 mm.
5. The micro-caliber external-plug electrode structure of the electromagnetic flowmeter as claimed in claim 1 or 4, wherein: the sealing end cover is connected with the upper end face of the hard insulating sheath through a spring washer.
6. The micro-caliber external-plug electrode structure of the electromagnetic flowmeter as claimed in claim 1, wherein: the metal electrode up end establish lock nut, insulating protective cap and terminal, lock nut cladding is outside the metal electrode to offset with sealed end cover up end, insulating protective cap cladding is outside metal electrode up end, lock nut and sealed end cover, the terminal inlays in insulating protective cap surface to through wire and metal electrode electrical connection, pass through threaded connection between metal electrode and the insulating sheath of stereoplasm, and stereoplasm insulating sheath and thru hole and guiding hole pore wall contact surface department all establish an insulating elastic sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020952595.1U CN211904255U (en) | 2020-05-29 | 2020-05-29 | Micro-caliber externally-inserted electrode structure of electromagnetic flowmeter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020952595.1U CN211904255U (en) | 2020-05-29 | 2020-05-29 | Micro-caliber externally-inserted electrode structure of electromagnetic flowmeter |
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| Publication Number | Publication Date |
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| CN211904255U true CN211904255U (en) | 2020-11-10 |
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| CN202020952595.1U Active CN211904255U (en) | 2020-05-29 | 2020-05-29 | Micro-caliber externally-inserted electrode structure of electromagnetic flowmeter |
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| CN (1) | CN211904255U (en) |
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