CN113819964B - Sealing structure of junction box of electromagnetic flowmeter - Google Patents
Sealing structure of junction box of electromagnetic flowmeter Download PDFInfo
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- CN113819964B CN113819964B CN202110869771.4A CN202110869771A CN113819964B CN 113819964 B CN113819964 B CN 113819964B CN 202110869771 A CN202110869771 A CN 202110869771A CN 113819964 B CN113819964 B CN 113819964B
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- bearing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
- G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/14—Casings, e.g. of special material
Abstract
The invention relates to a junction box sealing structure of an electromagnetic flowmeter, which comprises a bearing column, a bearing box body, a control panel, a sealing ring, a sealing column, a sealing plate, a main junction terminal, an auxiliary junction terminal and a bearing plate, wherein the upper end surface of the bearing column is connected with the wire end surface of the bearing box body through sealing threads, the front end surface of the bearing box body is provided with a control port, the control panel is embedded in the front end surface of the bearing box body, the bearing plate is embedded in the bearing box body, the main junction terminal is connected with the lower end surface of the bearing plate and is electrically connected with the auxiliary junction terminal through a wire, the auxiliary junction terminal is embedded in the lower end surface of the bearing column and is connected with the inner side surface of the bearing column through the sealing plate, and the sealing plate is symmetrically distributed in the upper end surface and the lower end surface of the bearing column. On one hand, the invention can effectively meet the requirements of matching use of various electromagnetic flowmeters; on the other hand, the invasion of the fluid medium conveyed by the pipeline to the junction box can be effectively prevented.
Description
Technical Field
The invention relates to a junction box sealing structure of an electromagnetic flowmeter, belonging to the technical field of flowmeters and sensors.
Background
The current electromagnetic flowmeter is an important device for fluid flow detection operation, the usage amount is huge, but in actual use, the main control and communication circuit system of the current electromagnetic flowmeter device is often arranged on a junction box and is directly connected with devices such as a pipeline which works with the electromagnetic flowmeter through the junction box, although the use requirement can be met to a certain extent, on one hand, the junction box of the current electromagnetic flowmeter is relatively large in difficulty in connection and positioning among the electromagnetic flowmeters in use, and the operation is complex, so that the installation and daily maintenance work of the electromagnetic flowmeter are not facilitated; on the other hand, the sealing protection capability of the current junction box is relatively poor, and is often realized only by the traditional sealing ring and other equipment, so that external polluting gas, solid particles, seepage and the like are very easy to enter the junction box, thereby causing the failure of a circuit system in the junction box and seriously affecting the running stability and reliability of the electromagnetic flowmeter equipment.
Therefore, in order to solve the problem, a brand new sealing structure of the junction box of the electromagnetic flowmeter needs to be developed so as to meet the requirement of actual use.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a junction box sealing structure of an electromagnetic flowmeter and a use method thereof.
The utility model provides an electromagnetic flowmeter terminal box seal structure, including the carrier column, the carrier box body, control the panel, the sealing ring, the sealing post, the closing plate, main binding post, auxiliary binding post, the carrier spring, positioning spring and loading board, wherein the carrier column is the hollow tubular structure of rectangle is personally submitted to the axial cross-section, pass through sealed threaded connection between its up end and the carrier box body terminal line terminal surface, and carrier column axis and the perpendicular distribution of carrier box body axis, the carrier box body is the closed cavity structure that the axial interface is rectangle, its front end establishes the control mouth with carrier box body coaxial distribution, the control mouth internal diameter is 1/4-3/4 of carrier box body front end diameter, control panel inlay in carrier box body front end face, with carrier box body coaxial distribution, and control panel side surface and front end all support through sealing ring and carrier box body side and carrier box body front end back surface, control panel rear end face and carrier box body bottom connection through at least two carrier springs, and carrier box body axis parallel distribution, carrier plate inlay in the carrier box body and with carrier box body axis parallel distribution, and carrier board side surface is through setting up end face and carrier box body side and bearing box body side surface and sealing ring and bearing down the coaxial line connection through the terminal, and two seal plate coaxial line terminal through the coaxial connection between two terminal 1-5, and sealing plate inner side and sealing post, the coaxial connection between two terminal 1-1, the sealing plate and sealing plate inner terminal plate coaxial distribution, 5, is embedded in the lower end face of the bearing column, the upper end face of the bearing column is propped against the sealing plate of the lower end face of the bearing column, and the lower end face exceeds the lower section of the bearing column by 1-20 mm.
Further, the inner side surface of the bearing box body corresponding to the bearing plate is provided with sliding grooves which are distributed in parallel with the axis of the inner side surface of the bearing box body, and the bearing plate is in sliding connection with the inner surface of the bearing box body through the sliding grooves; the bearing box body is internally provided with at least two baffle rings, the baffle rings are connected with the inner surface of the bearing box body through threads and are coaxially distributed with the bearing box body, the baffle rings are provided with a plurality of guide holes uniformly distributed around the axis of the baffle rings, and the bearing springs are embedded in the guide holes and are coaxially distributed with the guide holes.
Further, the sealing plate comprises an elastic sealing matrix and a metal bearing ring, wherein the metal bearing ring is of a closed annular structure coaxially distributed with the bearing column, the outer side face of the metal bearing ring is provided with connecting threads and is connected with the inner side face of the bearing column through the connecting threads, the metal bearing ring is coated outside the elastic sealing matrix and coaxially distributed, the axial cross section of the elastic sealing matrix is of an H-shaped columnar cavity structure, the outer side face of the elastic sealing matrix is provided with a positioning groove with a U-shaped cross section, the positioning groove and the elastic sealing matrix are coaxially distributed, and the depth of the positioning groove is 0-5 mm larger than the wall thickness of the metal bearing ring.
Further, the sealing column comprises a metal connecting seat, an elastic sleeve and a positioning elastic sheet, wherein the metal connecting seat is of a hollow columnar structure coaxially distributed with the bearing column, connecting threads are arranged on the outer side face of the metal connecting seat and are connected with the inner side face of the bearing column through the connecting threads, connecting grooves coaxially distributed with the metal connecting seat are formed in the upper end face and the side wall of the lower end face of the metal connecting seat, a plurality of positioning elastic sheets are embedded in the connecting grooves and are connected with the side wall of the connecting grooves to encircle the axis of the connecting grooves, the metal connecting seat is coated outside the lower end face of the sealing plate through the connecting grooves, the lower end face of the metal connecting seat is coated outside the elastic sleeve and is coaxially distributed with the elastic sleeve, a plurality of sealing baffle rings coaxially distributed with the elastic sleeve are uniformly distributed on the outer surface of the elastic sleeve, the sealing baffle rings are uniformly distributed from top to bottom along the axis of the elastic sleeve, the outer diameter of the sealing baffle rings is 1.1-1.5 times that of the outer diameter of the elastic sleeve, and the distance between two adjacent sealing baffle rings is 5-20 mm and not more than 1.5 times that of the height of the sealing baffle rings.
Further, the elastic sleeve and the sealing baffle ring are of an integrated structure, and the sealing baffle ring is any one of an isosceles trapezoid structure with a rectangular axial section.
Further, the elastic sleeve is internally provided with wire passing cavities which are coaxially distributed with the elastic sleeve, and the inner diameter of the wire passing cavities increases gradually from bottom to top along the axis of the elastic sleeve.
Further, the positioning springs comprise disc springs and cylindrical spiral springs, the disc springs are embedded in the bearing column and located at the midpoint position of the bearing column, at least four cylindrical spiral springs are uniformly distributed around the axis of the bearing column and are distributed in parallel with the axis of the bearing column, the cylindrical spiral springs are symmetrically distributed on two sides of the disc springs, one ends of the cylindrical spiral springs are propped against the disc springs, and the other ends of the cylindrical spiral springs are propped against the sealing plate.
Further, a drying agent is arranged in the bearing column between the disc spring and the sealing plate on the upper end face of the bearing column.
Further, the lower end face of the auxiliary wiring terminal exceeds the lower end face of the bearing post by-10 to 10 mm, an insulating protective sleeve is arranged outside the auxiliary wiring terminal, the insulating protective sleeve is coated outside the auxiliary wiring terminal, and at least one guide groove is formed in the outer surface of the insulating protective sleeve.
The device has simple structure, flexible and convenient use and good universality, can effectively meet the requirements of matching use of various electromagnetic flowmeters on one hand, and can effectively realize quick installation, positioning and electric connection between the junction box and the electromagnetic flowmeters; on the other hand, the installation and positioning stability of the junction box to the circuit system and the convenience of operation are greatly improved, and the invasion of the external humid environment and the fluid medium conveyed by the pipeline to the junction box can be effectively prevented, so that the running stability and safety of circuit equipment in the junction box are greatly improved.
Drawings
The invention is described in detail below with reference to the drawings and the detailed description;
FIG. 1 is a schematic diagram of a system architecture of the present invention;
FIG. 2 is a schematic diagram of a data processing flow according to the present invention.
Detailed Description
In order to facilitate the construction of the technical means, the creation characteristics, the achievement of the purposes and the effects of the invention, the invention is further described below with reference to the specific embodiments.
As shown in fig. 1 and 2, an electromagnetic flowmeter junction box sealing structure comprises a bearing column 1, a bearing box body 2, a control panel 3, a sealing ring 4, a sealing column 5, a sealing plate 6, a main junction terminal 7, an auxiliary junction terminal 8, a bearing spring 9, a positioning spring 10 and a bearing plate 11, wherein the bearing column 1 is a hollow tubular structure with a rectangular axial section, the upper end surface of the bearing column is connected with the line end surface of the bearing box body 2 through sealing threads, the axis of the bearing column 1 is vertically distributed with the axis of the bearing box body 2, the bearing box body 2 is a closed cavity structure with a rectangular axial interface, the front end surface of the bearing box body is provided with a control port 12 coaxially distributed with the bearing box body 2, the inner diameter of the control port 12 is 1/4-3/4 of the diameter of the front end surface of the bearing box body 2, the control panel 3 is embedded in the front end surface of the bearing box body 2 and coaxially distributed with the bearing box body 2, the side surface and the front end surface of the control panel 3 are propped against the inner side surface of the bearing box body 2 and the front end surface and the rear surface of the front end surface of the bearing box body 2 through the sealing ring 4, the rear end surface of the control panel 3 is connected with the bottom of the bearing box body 2 through at least two bearing springs 9, the bearing springs 9 are distributed in parallel with the axis of the bearing box body 2, the bearing plate 11 is embedded in the bearing box body 2 and is distributed in parallel with the axis of the bearing box body 2, the side surface of the bearing plate 11 is propped against the inner side surface of the bearing box body 2 through the sealing ring 4, the connecting position of the lower end surface of the bearing box body 2 and the bearing column 1 is provided with a wire through hole 13 and is communicated with the bearing column 1 through the wire through hole 13, the main connecting terminal 7 is connected with the lower end surface of the bearing plate 11 and is electrically connected with the auxiliary connecting terminal 8 through a wire 14, the auxiliary connecting terminal 8 is embedded in the lower end surface of the bearing column 1 and is connected with the inner side surface of the bearing column 1 through the sealing plate 6 and the sealing plate 6, the two sealing plates 6 are connected through a positioning spring 10, the sealing column 5 is of a hollow columnar structure coaxially distributed with the bearing column 1, the sealing column 5 is embedded in the lower end face of the bearing column 1, the upper end face of the sealing column is propped against the sealing plate 6 of the lower end face of the bearing column 1, and the lower end face of the sealing column exceeds the lower section of the bearing column 1 by 1-20 mm.
In this embodiment, the inner side of the bearing box body 2 corresponding to the bearing plate 11 is provided with sliding grooves 15 parallel to the axis of the inner side of the bearing box body 2, and the bearing plate 11 is slidably connected with the inner surface of the bearing box body 2 through the sliding grooves 15; the bearing box body 2 is internally provided with at least two baffle rings 16, the baffle rings 16 are connected with the inner surface of the bearing box body 2 through threads and are coaxially distributed with the bearing box body 2, the baffle rings 16 are provided with a plurality of guide holes 17 uniformly distributed around the axis of the baffle rings 16, and the bearing springs 9 are embedded in the guide holes 17 and are coaxially distributed with the guide holes 17.
It should be noted that the sealing plate 6 includes an elastic sealing substrate 61 and a metal bearing ring 62, wherein the metal bearing ring 62 is a closed ring structure coaxially distributed with the bearing column 1, the outer side surface of the metal bearing ring 62 is provided with a connecting thread and is connected with the inner side surface of the bearing column 1 through the connecting thread, the metal bearing ring 62 is coated outside the elastic sealing substrate 61 and coaxially distributed, the axial cross section of the elastic sealing substrate 61 is in an H-shaped columnar cavity structure, the cross section of the outer side surface of the elastic sealing substrate 61 is a positioning groove 63 in a U-shaped cross section, the positioning groove 63 is coaxially distributed with the elastic sealing substrate 61, and the depth of the positioning groove is 0-5 mm larger than the wall thickness of the metal bearing ring 62.
The key points are that the sealing post 5 comprises a metal connecting seat 51, an elastic sleeve 52 and a positioning elastic sheet 53, the metal connecting seat 51 is of a hollow columnar structure coaxially distributed with the bearing post 1, connecting threads are arranged on the outer side surface of the metal connecting seat 51 and are connected with the inner side surface of the bearing post 1 through the connecting threads, connecting grooves 54 coaxially distributed with the metal connecting seat 51 are formed in the side walls of the upper end surface and the lower end surface of the metal connecting seat 51, a plurality of positioning elastic sheets 53 are embedded in the connecting grooves 54 and are connected with the side walls of the connecting grooves 54 to be uniformly distributed around the axis of the connecting grooves 54, the metal connecting seat 51 is coated outside the lower end surface of the sealing plate 6 through the connecting grooves 54, the lower end surface of the metal connecting seat is coated outside the elastic sleeve 52 and is coaxially distributed with the elastic sleeve 52 through the connecting grooves 54, the elastic sleeve 52 is of a hollow columnar structure, a plurality of sealing stop rings 55 coaxially distributed with the elastic sleeve 52 are uniformly distributed on the outer surface of the elastic sleeve 52, the sealing stop rings 55 are downwards from top to bottom along the axis of the elastic sleeve 52, the outer diameter of the sealing stop rings 55 is 1.1-1.5 times the outer diameter of the elastic sleeve 52, the distance between two adjacent sealing stop rings 55 is 5-20 times the sealing stop rings and is not larger than 1.5 mm.
Further preferably, the elastic sleeve 52 and the sealing stop ring 55 are in an integral structure, and the sealing stop ring 55 is any one of an isosceles trapezoid structure with a rectangular axial section.
Further preferably, the elastic sleeve 52 is provided with a wire passing cavity 56 coaxially distributed with the elastic sleeve 51, and the inner diameter of the wire passing cavity 56 increases from bottom to top along the axis of the elastic sleeve 52.
Meanwhile, the positioning spring 10 comprises disc springs 101 and cylindrical spiral springs 102, the disc springs 101 are embedded in the bearing column 1 and located at the midpoint position of the bearing column 1, at least four of the cylindrical spiral springs 102 are uniformly distributed around the axis of the bearing column 1 and are distributed in parallel with the axis of the bearing column 1, the cylindrical spiral springs 102 are symmetrically distributed on two sides of the disc springs 101, one end of each cylindrical spiral spring 102 abuts against the disc springs 101, and the other end abuts against the sealing plate 6.
Further preferably, a drying agent 103 is arranged in the bearing column 1 between the belleville spring 101 and the sealing plate 6 on the upper end surface of the bearing column 1.
In this embodiment, the lower end surface of the auxiliary wiring terminal 8 exceeds the lower end surface of the bearing post 1 by-10 mm, the auxiliary wiring terminal 8 is externally provided with an insulation protecting sleeve 18, the insulation protecting sleeve 18 is coated outside the auxiliary wiring terminal 8, and the outer surface of the insulation protecting sleeve 18 is provided with at least one guide groove 19.
In this embodiment, the rear end face of the control panel 3 is provided with at least one auxiliary connection terminal 8, the front section is provided with a control interface 19 based on any one or several of control keys, a display and a multi-touch display screen, and the auxiliary connection terminal 8 on the rear end face of the control panel 3 is electrically connected with the main connection terminal 7.
In this embodiment, the upper end surface of the bearing plate 11 is provided with a plurality of hard insulating terminals 110 and at least one bearing keel 111 with a rectangular frame structure in axial section, the electromagnetic flowmeter circuit 112 is connected with the outer surface of the bearing keel 111, the bearing keel 111 is internally provided with an auxiliary driving battery 113, the bearing keel 111 and the auxiliary driving battery 113 are both connected with the upper end surface of the bearing plate 11 through the hard insulating terminals 110, and the electromagnetic flowmeter circuit 112 is respectively electrically connected with the auxiliary driving battery 8 and the main wiring terminal 7.
For a better explanation of the method of use and the principle of application of the invention, a detailed explanation of the method of use of the invention will now be given.
In a specific implementation, the method is implemented according to the following steps:
s1, pre-assembling equipment, namely firstly connecting an operation panel with an auxiliary wiring terminal and an operation interface, assembling a bearing plate with the auxiliary wiring terminal, a sealing ring, a bearing keel, an electromagnetic flowmeter circuit connected with the bearing keel and an auxiliary driving battery, and then assembling a bearing column, a bearing box body, the operation panel, the sealing ring, the sealing column, a sealing plate, a main wiring terminal, the auxiliary wiring terminal, a bearing spring, a positioning spring and the bearing plate which form the pre-assembling operation of the invention to finish the pre-assembling operation of the invention;
s2, equipment is matched and installed, the invention assembled in the step S1 is selected according to the equipment structure and the sensor type of the electromagnetic flowmeter, then the selected invention establishes data connection with a feedback circuit of the electromagnetic flowmeter through an auxiliary wiring terminal on the lower end face of a bearing column, then operating parameters of the electromagnetic flowmeter are set through an operation interface, system matching is completed, an electromagnetic flowmeter circuit in the junction box of the invention is electrically connected with an external circuit system, and data connection is established with an external monitoring system, and finally the junction box of the invention is installed and fixed, so that the invention can be assembled and driven to operate.
When the electromagnetic flowmeter is installed and positioned, the installation mode is that the electromagnetic flowmeter is directly installed and positioned with an external installation and positioning position through the bearing box body and the bearing column, and the electromagnetic flowmeter is remotely connected with the electromagnetic flowmeter through a lead; on the other hand, the installation mode is that the lower end face of the bearing column is directly connected with the electromagnetic flowmeter shell through threads, and the sealing column and the sealing plate of the lower end face of the bearing column are used for sealing and isolating the bearing column from the electromagnetic flowmeter in the connection process, so that the assembly of the electromagnetic flowmeter is completed.
In operation, on one hand, the bearing plate, the control panel and the bearing box body are sealed through the sealing ring, so that the sealing isolation of the electromagnetic flowmeter circuit, the auxiliary driving battery, the main wiring terminal and the auxiliary wiring terminal on the rear end face of the control panel from the external environment of the bearing box body is realized; on the other hand, the isolation between the bearing column and the bearing box body of the external environment machine is realized through the sealing column and the sealing plate of the lower end face of the bearing column, and the sealing plate is further used for strengthening and sealing the internal environment of the bearing box body for bearing the circuit system.
Meanwhile, in operation, the control panel and the sealing plate are reinforced and positioned through the bearing springs and the positioning springs, so that the stability of the positioning positions of the control panel and the sealing plate is improved, the flexible adaptation to the impact influence of external force can be realized, and meanwhile, the stability of the sealing structure is kept; in addition, moisture and seepage can be absorbed through the drying agent in the bearing column, and the sealing and isolating effects are enhanced.
The device has simple structure, flexible and convenient use and good universality, can effectively meet the requirements of matching use of various electromagnetic flowmeters on one hand, and can effectively realize quick installation, positioning and electric connection between the junction box and the electromagnetic flowmeters; on the other hand, the installation and positioning stability of the junction box to the circuit system and the convenience of operation are greatly improved, and the invasion of the external humid environment and the fluid medium conveyed by the pipeline to the junction box can be effectively prevented, so that the running stability and safety of circuit equipment in the junction box are greatly improved.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. An electromagnetic flowmeter terminal box seal structure, its characterized in that: the sealing structure of the junction box of the electromagnetic flowmeter comprises a bearing column, a bearing box body, a control panel, a sealing ring, a sealing column, a sealing plate, a main wiring terminal, an auxiliary wiring terminal, a bearing spring, a positioning spring and a bearing plate, wherein the bearing column is of a hollow tubular structure with a rectangular axial section, the upper end surface of the bearing column is connected with the line end surface of the bearing box body through the sealing thread, the axis of the bearing column is vertically distributed with the axis of the bearing box body, the bearing box body is of a closed cavity structure with a rectangular axial interface, the front end surface of the bearing box body is provided with a control port coaxially distributed with the bearing box body, the inner diameter of the control port is 1/4-3/4 of the diameter of the front end surface of the bearing box body, the control panel is embedded in the front end surface of the bearing box body and coaxially distributed with the bearing box body, the side surface and the front end surface of the control panel are propped against the side surface of the bearing box body and the front end surface of the bearing box body through the sealing ring, the back end face of the control panel is connected with the bottom of the bearing box body through at least two bearing springs, the bearing springs are distributed in parallel with the axis of the bearing box body, the bearing plate is embedded in the bearing box body and distributed in parallel with the axis of the bearing box body, the side surface of the bearing plate is propped against the inner side surface of the bearing box body through a sealing ring, a wire passing hole is arranged at the connection position of the lower end face of the bearing box body and the bearing column and communicated with the bearing column through the wire passing hole, the main wiring terminal is connected with the lower end face of the bearing plate and electrically connected with an auxiliary wiring terminal through a wire, the auxiliary wiring terminal is embedded in the lower end face of the bearing column and connected with the inner side surface of the bearing column through two sealing plates which are symmetrically distributed in the upper end face and the lower end face of the bearing column, the distance between the two sealing plates is 0.5-1.1 times of the length of the bearing column, the two sealing plates are connected through a positioning spring, the sealing column is of a hollow columnar structure which is coaxially distributed with the bearing column, the sealing column is embedded into the lower end face of the bearing column, the upper end face of the sealing column is abutted against the sealing plate of the lower end face of the bearing column, and the lower end face of the sealing column exceeds the lower section of the bearing column by 1-20 mm; the inner side surface of the bearing box body corresponding to the bearing plate is provided with sliding grooves which are distributed in parallel with the axis of the inner side surface of the bearing box body, and the bearing plate is in sliding connection with the inner surface of the bearing box body through the sliding grooves; the bearing box body is internally provided with at least two baffle rings, the baffle rings are connected with the inner surface of the bearing box body through threads and are coaxially distributed with the bearing box body, the baffle rings are provided with a plurality of guide holes uniformly distributed around the axis of the baffle rings, and the bearing springs are embedded in the guide holes and are coaxially distributed with the guide holes; the sealing plate comprises an elastic sealing matrix and a metal bearing ring, wherein the metal bearing ring is of a closed annular structure coaxially distributed with a bearing column, the outer side surface of the metal bearing ring is provided with connecting threads and is connected with the inner side surface of the bearing column through the connecting threads, the metal bearing ring is coated outside the elastic sealing matrix and coaxially distributed, the axial cross section of the elastic sealing matrix is of an H-shaped columnar cavity structure, the outer side surface of the elastic sealing matrix is provided with a positioning groove with a U-shaped cross section, the positioning groove and the elastic sealing matrix are coaxially distributed, and the depth of the positioning groove is 0-5 mm larger than the wall thickness of the metal bearing ring; the sealing post include metal connecting seat, elastic sleeve pipe, location shell fragment, the metal connecting seat be with bear the weight of the hollow columnar structure of post coaxial distribution, the connecting thread is established to metal connecting seat lateral surface and is connected with bearing the weight of post medial surface through connecting thread, the up end of metal connecting seat and the lateral wall of terminal surface down all establish the spread coaxially with metal connecting seat connect the spread coaxially the spread groove, the location shell fragment is a plurality of, inlay in each spread groove, be connected with the spread groove lateral wall and encircle the spread groove axis equipartition, the metal connecting seat passes through the spread groove cladding outside the terminal surface under the closing plate, the terminal surface passes through the spread groove cladding outside the elastic sleeve pipe and with the coaxial distribution of elastic sleeve pipe, elastic sleeve pipe is hollow columnar structure, its surface equipartition a plurality of seal baffle rings with elastic sleeve pipe coaxial distribution, seal baffle ring from the top down equipartition along the elastic sleeve pipe axis, and seal baffle ring external diameter is 1.1-1.5 times of elastic sleeve pipe external diameter, adjacent two seal baffle ring interval is 5-20 millimeter and is not greater than seal baffle ring height 1.5 times.
2. The electromagnetic flowmeter junction box sealing structure according to claim 1, wherein: the elastic sleeve and the sealing baffle ring are of an integrated structure, and the sealing baffle ring is any one of an isosceles trapezoid structure with a rectangular axial section.
3. The electromagnetic flowmeter junction box sealing structure according to claim 1, wherein: the elastic sleeve is internally provided with wire passing cavities which are coaxially distributed with the elastic sleeve, and the inner diameter of the wire passing cavities increases gradually from bottom to top along the axis of the elastic sleeve.
4. The electromagnetic flowmeter junction box sealing structure according to claim 1, wherein: the positioning springs comprise disc springs and cylindrical spiral springs, the disc springs are embedded in the bearing column and located at the middle point of the bearing column, at least four cylindrical spiral springs are uniformly distributed around the axis of the bearing column and are distributed in parallel with the axis of the bearing column, the cylindrical spiral springs are symmetrically distributed on two sides of the disc springs, one ends of the cylindrical spiral springs are propped against the disc springs, and the other ends of the cylindrical spiral springs are propped against the sealing plate.
5. The sealing structure of an electromagnetic flowmeter junction box of claim 4, wherein: and a drying agent is arranged in the bearing column between the disc spring and the sealing plate on the upper end surface of the bearing column.
6. The electromagnetic flowmeter junction box sealing structure according to claim 1, wherein: the lower end face of the auxiliary wiring terminal exceeds the lower end face of the bearing post by-10 to 10 millimeters, an insulating protective sleeve is arranged outside the auxiliary wiring terminal, the insulating protective sleeve is coated outside the auxiliary wiring terminal, and at least one guide groove is formed in the outer surface of the insulating protective sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110869771.4A CN113819964B (en) | 2021-07-30 | 2021-07-30 | Sealing structure of junction box of electromagnetic flowmeter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110869771.4A CN113819964B (en) | 2021-07-30 | 2021-07-30 | Sealing structure of junction box of electromagnetic flowmeter |
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| CN113819964A CN113819964A (en) | 2021-12-21 |
| CN113819964B true CN113819964B (en) | 2023-09-15 |
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Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2732114A1 (en) * | 2010-05-25 | 2011-11-25 | Leviton Manufacturing Company, Inc. | Universal box system |
| RU122767U1 (en) * | 2012-07-25 | 2012-12-10 | Закрытое акционерное общество "Управляющая компания Холдинга "Теплоком" | ELECTROMAGNETIC FLOW METER |
| CN203772330U (en) * | 2014-03-25 | 2014-08-13 | 西尼尔(南京)过程控制有限公司 | Split electromagnetic flowmeter sensor junction box |
| JP2017046396A (en) * | 2015-08-25 | 2017-03-02 | 矢崎総業株式会社 | Electric junction box |
| CN206211454U (en) * | 2016-11-21 | 2017-05-31 | 深圳市昭恒新能源技术有限公司 | A kind of charging electric vehicle box |
| CN207217250U (en) * | 2017-06-27 | 2018-04-10 | 国网河南鄢陵县供电公司 | A kind of transformer thimble assembly |
| CN110011187A (en) * | 2019-04-12 | 2019-07-12 | 焦作华飞电子电器股份有限公司 | A kind of High aititude, low temperature environment electric control gear cable-through hole structure |
| CN209150663U (en) * | 2018-12-28 | 2019-07-23 | 周向红 | A kind of architectural electricity route outdoor enclosure of good airproof performance |
| CN209487367U (en) * | 2019-02-25 | 2019-10-11 | 焦作华飞电子电器股份有限公司 | A kind of high-power high voltage explosion-proof frequency converter manipulation explosion-proof button |
| CN209497175U (en) * | 2019-02-25 | 2019-10-15 | 焦作华飞电子电器股份有限公司 | A kind of explosion-proof fence operation interfacial structure of high-power high voltage explosion-proof frequency converter |
| CN209930073U (en) * | 2019-06-17 | 2020-01-10 | 南京友禾环保设备有限公司 | High-stability junction box of three-phase asynchronous motor |
| CN210178588U (en) * | 2019-06-14 | 2020-03-24 | 南京友禾环保设备有限公司 | Bearing seat integrated type casing structure for electric water pump |
| CN111030003A (en) * | 2019-11-12 | 2020-04-17 | 广东电网有限责任公司 | Junction box of electric power supply device |
| CN210868413U (en) * | 2019-10-10 | 2020-06-26 | 深圳市米尔电子有限公司 | Charging and billing control device |
| CN211181047U (en) * | 2019-10-10 | 2020-08-04 | 深圳市米尔电子有限公司 | Data acquisition and transmission device |
| CN212456025U (en) * | 2020-05-26 | 2021-02-02 | 中郅电力有限公司 | Remote measurement and control device for power distribution engineering |
| CN213243130U (en) * | 2020-05-26 | 2021-05-18 | 中郅电力有限公司 | Safety control device for resident power distribution |
-
2021
- 2021-07-30 CN CN202110869771.4A patent/CN113819964B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2732114A1 (en) * | 2010-05-25 | 2011-11-25 | Leviton Manufacturing Company, Inc. | Universal box system |
| RU122767U1 (en) * | 2012-07-25 | 2012-12-10 | Закрытое акционерное общество "Управляющая компания Холдинга "Теплоком" | ELECTROMAGNETIC FLOW METER |
| CN203772330U (en) * | 2014-03-25 | 2014-08-13 | 西尼尔(南京)过程控制有限公司 | Split electromagnetic flowmeter sensor junction box |
| JP2017046396A (en) * | 2015-08-25 | 2017-03-02 | 矢崎総業株式会社 | Electric junction box |
| CN206211454U (en) * | 2016-11-21 | 2017-05-31 | 深圳市昭恒新能源技术有限公司 | A kind of charging electric vehicle box |
| CN207217250U (en) * | 2017-06-27 | 2018-04-10 | 国网河南鄢陵县供电公司 | A kind of transformer thimble assembly |
| CN209150663U (en) * | 2018-12-28 | 2019-07-23 | 周向红 | A kind of architectural electricity route outdoor enclosure of good airproof performance |
| CN209487367U (en) * | 2019-02-25 | 2019-10-11 | 焦作华飞电子电器股份有限公司 | A kind of high-power high voltage explosion-proof frequency converter manipulation explosion-proof button |
| CN209497175U (en) * | 2019-02-25 | 2019-10-15 | 焦作华飞电子电器股份有限公司 | A kind of explosion-proof fence operation interfacial structure of high-power high voltage explosion-proof frequency converter |
| CN110011187A (en) * | 2019-04-12 | 2019-07-12 | 焦作华飞电子电器股份有限公司 | A kind of High aititude, low temperature environment electric control gear cable-through hole structure |
| CN210178588U (en) * | 2019-06-14 | 2020-03-24 | 南京友禾环保设备有限公司 | Bearing seat integrated type casing structure for electric water pump |
| CN209930073U (en) * | 2019-06-17 | 2020-01-10 | 南京友禾环保设备有限公司 | High-stability junction box of three-phase asynchronous motor |
| CN210868413U (en) * | 2019-10-10 | 2020-06-26 | 深圳市米尔电子有限公司 | Charging and billing control device |
| CN211181047U (en) * | 2019-10-10 | 2020-08-04 | 深圳市米尔电子有限公司 | Data acquisition and transmission device |
| CN111030003A (en) * | 2019-11-12 | 2020-04-17 | 广东电网有限责任公司 | Junction box of electric power supply device |
| CN212456025U (en) * | 2020-05-26 | 2021-02-02 | 中郅电力有限公司 | Remote measurement and control device for power distribution engineering |
| CN213243130U (en) * | 2020-05-26 | 2021-05-18 | 中郅电力有限公司 | Safety control device for resident power distribution |
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