CN209910735U

CN209910735U - Electromagnetic flowmeter electrode mounting structure

Info

Publication number: CN209910735U
Application number: CN201920728287.8U
Authority: CN
Inventors: 陈振勃; 陈振湛
Original assignee: Guangzhou Dichuan Instrument Co Ltd
Current assignee: Guangzhou Dichuan Instrument Co Ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-01-07
Anticipated expiration: 2029-05-21

Abstract

The utility model discloses an electromagnetic flowmeter electrode mounting structure, including outer tube, lining, electrode, sealing device and fastener, be provided with the lining on the inboard edge of outer tube, be fixed with a set of communicating pipe on the outside limit of outer tube, set up the groove that passes that a set of power supply pole passed on outer tube and the lining, through groove and communicating pipe intercommunication, be provided with sealing device communicating pipe in, the last intercommunication chamber that is provided with the power supply pole and passes of sealing device, the one end of electrode is passed and is stretched into in the communicating pipe through the groove, and passes the intercommunication chamber and stretch out, the one end of keeping away from the outer tube communicating pipe is installed fastener, fastener fastens the electrode through the installation department of electrode. This electromagnetic flowmeter electrode mounting structure, reasonable in design can improve the leakproofness of electrode installation back electrode installation department, is fit for using widely.

Description

Electromagnetic flowmeter electrode mounting structure

Technical Field

The utility model belongs to the technical field of the electromagnetic flow meter, concretely relates to electromagnetic flow meter electrode mounting structure.

Background

The electromagnetic flowmeter is a new type of flow measuring instrument which is rapidly developed along with the development of electronic technology in 50-60 years of 20 th century. The electromagnetic flowmeter measures the flow of conducting fluid based on the electromotive force induced when the conducting fluid passes through external magnetic field by means of electromagnetic induction principle.

The electrode mounting structure of the existing electromagnetic flowmeter is mainly used for mounting electrodes by drilling a mounting hole for mounting the electrodes on an outer pipe and a lining, so that the electrodes are mounted, and the problems of poor sealing performance and the like of the device are easily caused after the electrodes are mounted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electromagnetic flowmeter electrode mounting structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an electrode mounting structure of an electromagnetic flowmeter comprises an outer pipe, a lining, electrodes, a sealing device and a fastening device, wherein the lining is arranged on the inner side edge of the outer pipe, a group of communicating pipes are fixed on the outer side edge of the outer pipe, a group of passing grooves for passing through power supply electrodes are formed in the outer pipe and the lining, the passing grooves are communicated with the communicating pipes, the passing grooves are formed in the axial lead of the communicating pipes, a sealing head is integrally formed at one end of each electrode, a thread mounting part is arranged at the other end of each electrode, a mounting groove for mounting the sealing head is formed in the inner side edge of the lining in an excavating mode, the sealing device is arranged in the communicating pipes, a communicating cavity for passing through the power supply electrodes is formed in the sealing device, one end of each electrode penetrates through the corresponding groove to extend into the communicating pipe and penetrates through the communicating cavity to extend out, and the, the fastening device fastens the electrode through the mounting part of the electrode.

Preferably, the outer side edge of the sealing head is arc-shaped, six groups of positioning columns are fixed on the inner side edge of the sealing head in an annular array by taking the electrode as a circle center, six groups of insertion holes are formed in the mounting groove, and the positioning columns are inserted and mounted in the insertion holes.

Preferably, the sealing device at least comprises a sealing barrel, top plates and springs, wherein the two groups of top plates are symmetrically arranged inside the sealing barrel, the springs are arranged between the two groups of top plates, and sealing gaskets are arranged at the two ends and the outer side edges of the sealing barrel and at the positions of the communicating cavities.

Preferably, the fastening device at least comprises a compression bolt and a clamping bolt, wherein the compression bolt is provided with a compression head in an integrated forming manner, the outer edge of the compression head is in threaded fit with the inner edge of the communicating pipe, the compression head is provided with a through groove for the installation part of the power supply electrode to pass through, the compression bolt is provided with the clamping bolt, the clamping bolt is provided with a through cavity for the installation of the installation part of the power supply electrode, and the through cavity is in threaded fit with the installation part of the electrode.

Preferably, a matching ring is fixed on a bolt rod of the compression bolt, a matching groove for mounting the matching ring is dug in the compression bolt, and the matching ring is arranged in the matching groove in a sliding manner.

The utility model discloses a technological effect and advantage: this electromagnetic flowmeter electrode mounting structure through the sealed head that sets up with dig the cooperation of establishing between the mounting groove on the lining, can cover the groove of passing through of the power supply electrode installation of establishing drilling through sealed head when electrode installation and attach, and then carry out preliminary sealed processing to electrode installation department, cooperation between spliced eye and the reference column can carry out assistance-localization real-time to sealed head, and through the sealing device who sets up, cooperation between sealed bucket, roof, spring and the fastener in the sealed device can carry out secondary pressure at communicating pipe department and cover sealed processing, and then makes the sealed effect of electrode installation department better, through the fastener that sets up, the clamp bolt in the fastener with bite the cooperation between the clamp bolt, can press to cover the fastener when fixed to the electrode. This electromagnetic flowmeter electrode mounting structure, reasonable in design can improve the leakproofness of electrode installation back electrode installation department, is fit for using widely.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

fig. 2 is a cross-sectional view of the sealing device of the present invention;

FIG. 3 is a cross-sectional view of the outer tube, the lining, and the communication tube of the present invention after installation;

fig. 4 is a top view of the electrode, the sealing head and the positioning column of the present invention after being fixed.

In the figure: the device comprises an outer pipe 1, a lining 2, a mounting groove 3, a plug hole 4, a communicating pipe 5, an electrode 6, a sealing head 7, a positioning column 8, a sealing device 9, a sealing barrel 10, a top plate 11, a communicating cavity 12, a spring 13, a fastening device 14, a compression bolt 15, a compression head 151, a matching groove 152, a snap bolt 16 and a matching ring 161.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides an electromagnetic flowmeter electrode mounting structure as shown in figures 1-4, which comprises an outer tube 1, a lining 2, an electrode 6, a sealing device 9 and a fastening device 14, wherein the inner side edge of the outer tube 1 is provided with the lining 2, the outer side edge of the outer tube 1 is fixed with a group of communicating tubes 5, the outer tube 1 and the lining 2 are provided with a group of through grooves for passing a group of power supply electrodes 6, the through grooves are communicated with the communicating tubes 5, the through grooves are arranged at the axial lead of the communicating tubes 5, one end of the electrode 6 is integrally formed with a sealing head 7, the other end of the electrode 6 is provided with a thread mounting part, the inner side edge of the lining 2 is dug with a mounting groove 3 for mounting the sealing head 7, the sealing device 9 is arranged in the communicating tube 5, the sealing device 9 is provided with a communicating cavity 12 for passing the power supply electrodes 6, one end of the electrode 6 passes through the groove and extends into the communicating tube, and extends out through the communication cavity 12, a fastening device 14 is installed at one end of the communication pipe 5 far away from the outer pipe 1, and the fastening device 14 fastens the electrode 6 through the installation part of the electrode 6.

Specifically, the outer side edge of the sealing head 7 is arc-shaped, six groups of positioning columns 8 are fixed to the inner side edge of the sealing head 7 in an annular array by taking the electrode 6 as a circle center, the positioning columns 8 can play a role in assisting in fixing when the sealing head 7 is fixed, six groups of insertion holes 4 are formed in the mounting groove 3, and the positioning columns 8 are inserted and installed in the insertion holes 4.

Specifically, sealing device 9 is at least including sealed bucket 10, roof 11 and spring 13, sealing device 9 can carry out the secondary through sealed the side that fills up and press to the inside wall of communicating pipe 5 and electrode 6 and sealing device 9 adjacent after electrode 6 is fixed and cover sealed the processing, the inside symmetry of sealed bucket 10 is provided with two sets of roofs 11, and is two sets of be provided with spring 13 between the roof 11, and spring 13 can play the supplementary effect that compresses tightly roof 11, all be provided with sealed the pad on both ends and the outside limit of sealed bucket 10 and intercommunication chamber 12 department, sealed the leakproofness that can improve between electrode and the communicating pipe.

Specifically, the fastening device 14 at least includes a pressing bolt 15 and a fastening bolt 16, the fastening device 14 can fix the electrode and can compress the sealing device 14, a pressing head 151 is integrally formed on the pressing bolt 15, the outer edge of the pressing head 151 is in threaded fit with the inner edge of the communication pipe 5, a through groove through which the mounting portion of the power supply electrode 6 passes is formed in the pressing head 151, the fastening bolt 15 is provided with the fastening bolt 16, a through cavity provided with the mounting portion of the power supply electrode 6 is dug on the fastening bolt 16, and the through cavity is in threaded fit with the mounting portion of the electrode 6.

Specifically, a matching ring 161 is fixed on the bolt rod of the pressing bolt 15, a matching groove 152 for mounting the matching ring 161 is dug in the pressing bolt 15, and the matching ring 161 is slidably arranged in the matching groove 152.

Specifically, this electromagnetic flowmeter electrode mounting structure, 1 during the installation places sealing device 9 in communicating pipe 5, outwards wear sealing head 7 through the groove that passes through on lining 2, pass lining 2 in proper order, outer tube 1 and sealing device 9, tentatively twist tightly fixing clamp bolt 15 on communicating pipe 5, and make the installation department of electrode 6 twist tentatively fix on clenching bolt 16, and make reference column 8 peg graft when fixed electrode 6 and fix in spliced eye 4, twist tightly clamp bolt 15 downwards, clamp bolt 15 rotates and drives roof 11 and push down, and then drive spring 13 and push down, and then cover sealedly in communicating pipe 5, through twisting clamp bolt 15 and clenching bolt 16, and then compress tightly processing clamp device 9 when fixing electrode 6. This electromagnetic flowmeter electrode mounting structure, reasonable in design can improve the leakproofness of 6 installation departments of electrode 6 installation back electrode, is fit for using widely.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. An electromagnetic flowmeter electrode mounting structure, includes outer tube (1), lining (2), electrode (6), sealing device (9) and fastener (14), its characterized in that: the inner side of the outer tube (1) is provided with a lining (2), the outer side edge of the outer tube (1) is fixed with a group of communicating tubes (5), the outer tube (1) and the lining (2) are provided with a through groove through which a group of power supply electrodes (6) pass, the through groove is communicated with the communicating tubes (5), the through groove is arranged at the axial lead of the communicating tubes (5), one end of the electrode (6) is integrally formed with a sealing head (7), the other end of the electrode (6) is provided with a thread installation part, the inner side edge of the lining (2) is dug with an installation groove (3) through which the sealing head (7) is installed, a sealing device (9) is arranged in the communicating tubes (5), the sealing device (9) is provided with a communicating cavity (12) through which the power supply electrodes (6) pass, one end of the electrode (6) passes through the groove and extends into the communicating tubes (5), and the electrode passes through the communicating cavity (12) to extend out, one end of the communicating pipe (5) far away from the outer pipe (1) is provided with a fastening device (14), and the fastening device (14) fastens the electrode (6) through the mounting part of the electrode (6).

2. An electromagnetic flowmeter electrode mounting structure according to claim 1, characterized in that: the outer side edge of the sealing head (7) is arc-shaped, six groups of positioning columns (8) are fixed on the inner side edge of the sealing head (7) in an annular array by taking the electrode (6) as a circle center, six groups of insertion holes (4) are formed in the mounting groove (3), and the positioning columns (8) are inserted and mounted in the insertion holes (4).

3. An electromagnetic flowmeter electrode mounting structure according to claim 1, characterized in that: sealing device (9) are including sealed bucket (10), roof (11) and spring (13) at least, sealed bucket (10) inside symmetry is provided with two sets of roof (11), and is two sets of be provided with spring (13) between roof (11), all be provided with sealed the pad on both ends and the outside limit of sealed bucket (10) and intercommunication chamber (12) department.

4. An electromagnetic flowmeter electrode mounting structure according to claim 1, characterized in that: fastening device (14) include clamp bolt (15) and bite bolt (16) at least, integrated into one piece is provided with clamp head (151) on clamp bolt (15), the outer fringe of clamp head (151) and the inner edge screw-thread fit of communicating pipe (5), set up the logical groove that the installation department of power supply utmost point (6) passed on clamp head (151), be provided with on clamp bolt (15) and bite bolt (16), bite and dig the logical chamber that is equipped with the installation department installation of power supply utmost point (6) on bolt (16), and lead to the installation department screw-thread fit of chamber and electrode (6).

5. An electromagnetic flowmeter electrode mounting structure according to claim 4, wherein: a matching ring (161) is fixed on a bolt rod of the pressing bolt (15), a matching groove (152) for mounting the matching ring (161) is dug in the pressing bolt (15), and the matching ring (161) is arranged in the matching groove (152) in a sliding mode.