Explosion-proof type magnetic turning plate liquid level meter

By designing an explosion-proof magnetic flap level gauge, using a closed explosion-proof shell and installation mechanism, and fixing the magnetic flap level gauge inside the explosion-proof box, the problems of explosion hazards and poor reliability of existing magnetic level gauges have been solved, and the problem has been achieved It facilitates maintenance and improves reliability.

CN222379168UActive Publication Date: 2025-01-21QIDONG NANHUA INSTR EQUIP
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Patent Information

Application Number
CN202421241842.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-03
Publication Date
2025-01-21
Estimated Expiration
2034-06-03

AI Technical Summary

Technical Problem

Due to the explosion hazard, existing magnetic level gauges are difficult to meet explosion-proof needs and have poor reliability.

Method used

An explosion-proof magnetic flap level gauge is designed. It adopts a closed explosion-proof shell that is easy to open and close. The magnetic flap level gauge is fixed on the inside of the explosion-proof box through an installation mechanism, and a closed explosion-proof shell is formed through structures such as connecting frames and movable rods. Protection and easy maintenance.

Benefits of technology

It achieves the effect of facilitating opening and closing for maintenance without affecting the use, improves practicality, enhances the explosion-proof performance of the equipment, and improves reliability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of magnetic liquid level meters, in particular to an explosion-proof type magnetic turning plate liquid level meter which is provided with a closed explosion-proof shell convenient to open and close, has the effect of being convenient to open, close and overhaul on the basis of not influencing use, and improves practicability. Comprising a magnetic turning plate liquid level meter and further comprises an anti-explosion box, a first connecting frame, a lantern ring, a movable rod, a second connecting frame, an anti-explosion plate, an observation window, a locking ring, a movable pin piece and a fixed pin piece, the magnetic turning plate liquid level meter is arranged in the anti-explosion box through a mounting mechanism, the front middle side of the right end of the anti-explosion box is connected with the left side of the lantern ring through the first connecting frame, and the inner side of the lantern ring is movably connected with the outer side of the movable rod; an observation window is arranged in the middle of the explosion-proof plate, the left lower side of the front end of the explosion-proof plate is rotationally connected with the inner end of a lock ring, the output end of the lock ring is connected with one side of the inner end of a movable pin piece, and the left lower side of the front end in the explosion-proof box is connected with the inner end of a fixed pin piece.
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Description

Technical Field

[0001] The utility model relates to the technical field of magnetic liquid level gauges, in particular to an explosion-proof magnetic flap liquid level gauge. Background Art

[0002] The magnetic level meter uses a magnetic float as a measuring element. Through magnetic coupling, the resistance in the sensor changes linearly or the waveguide wire generates a torsion wave. The intelligent converter converts the resistance change into a 4-20mA standard current signal. The percentage of the liquid level, 4-20mA current and the liquid level value can be displayed on site. The remote transmission to the control room can realize automatic detection, control and recording of the liquid level. The instrument can be applied to the liquid level measurement and control in almost all industrial automation process control, and can be widely used in the liquid level measurement, control and monitoring in the fields of petroleum processing, food processing, chemical industry, water treatment, pharmaceuticals, electricity, papermaking, metallurgy, ships and boilers.

[0003] The magnetic level meter is carefully designed by drawing on similar products at home and abroad, actively absorbing and blending the advantages of many similar products, and the company's technical personnel boldly improving the original product structure. The use of high-quality magnets and imported electronic components makes the product have the advantages of simple structure, easy use, stable performance, long service life, and easy installation and maintenance.

[0004] Since the device has explosion hazards, existing magnetic level gauges are difficult to meet explosion-proof requirements and have poor reliability. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides an explosion-proof magnetic flap level gauge which is provided with a closed explosion-proof housing which is convenient to open and close, and has the effect of being easy to open and close for maintenance without affecting the use, thereby improving the practicality.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an explosion-proof magnetic flap level gauge, including a magnetic flap level gauge, and also including an explosion-proof box, a connecting frame 1, a collar, a movable rod, a connecting frame 2, an explosion-proof plate, an observation window, a locking ring, a movable pin and a fixed pin. The magnetic flap level gauge is arranged inside the explosion-proof box through an installation mechanism, the front middle side of the right end of the explosion-proof box is connected to the left side of the collar through a connecting frame 1, the inner side of the collar is movably connected to the outer side of the movable rod, the front end of the movable rod is connected to the middle side of the right end of the explosion-proof plate through a connecting frame 2, an observation window is arranged in the middle of the explosion-proof plate, the lower left side of the front end of the explosion-proof plate is rotatably connected to the inner end of the locking ring, the output end of the locking ring is connected to one side of the inner end of the movable pin, and the lower left side of the front end inside the explosion-proof box is connected to the inner end of the fixed pin.

[0009] Preferably, the mounting mechanism comprises a fixed sleeve frame, a hinge, a movable sleeve frame, a screw groove frame, a through-piece and a fixing bolt; the middle upper side of the rear end of the explosion-proof box is connected to the rear end of the fixed sleeve frame, the front side of the right end of the fixed sleeve frame is movably connected to the rear side of the right end of the movable sleeve frame via a hinge, the left end of the fixed sleeve frame is connected to the right end of the screw groove frame, the rear side of the left end of the movable sleeve frame is connected to the right end of the through-piece, and the fixing bolt passes through the through-piece and is detachably screwed on the inner side of the screw groove frame.

[0010] Preferably, it also includes a handle plate, and the middle part of the left end of the explosion-proof plate is connected to the inner side of the handle plate.

[0011] Preferably, it also includes a lighting lamp, and the top of the interior of the explosion-proof box is connected to the top of the lighting lamp.

[0012] Preferably, it further comprises a fixing plate, and the rear ends of the left and right sides of the explosion-proof box are respectively connected to the inner ends of a group of fixing plates.

[0013] Preferably, an information sign is further included, and the right side of the observation window at the front end of the explosion-proof plate is connected to the inner side of the information sign.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides an explosion-proof magnetic flap level gauge, which has the following beneficial effects:

[0016] The magnetic flap level gauge is fixed to the inside of the explosion-proof box through the installation mechanism, and then under the connection of the connecting frame 1, the movable rod is moved on the inside of the collar, so that the explosion-proof plate is connected and closed through the connecting frame 2 to form a closed explosion-proof protection on the front side of the explosion-proof box, and the locking ring is turned to rotate the movable pin piece into the fixed pin piece to close and lock the explosion-proof plate. During use, observation can be made through the observation window. A closed explosion-proof shell that is convenient to open and close is provided, which has the effect of being easy to open and close for maintenance without affecting the use, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an axial view of the schematic diagram of the structure of the utility model;

[0018] Figure 2 For this utility model Figure 1 Left view of

[0019] Figure 3 For this utility model Figure 2 A-section axial view;

[0020] Figure 4 For this utility model Figure 2 A-section front view.

[0021] Markings in the attached figure: 1. Magnetic flap level gauge; 2. Explosion-proof box; 3. Connecting frame 1; 4. Ring; 5. Movable rod; 6. Connecting frame 2; 7. Explosion-proof plate; 8. Observation window; 9. Locking ring; 10. Moving pin piece; 11. Fixed pin piece; 12. Fixed sleeve frame; 13. Hinge; 14. Moving sleeve frame; 15. Screw groove frame; 16. Through piece; 17. Fixing bolt; 18. Handle piece; 19. Lighting lamp; 20. Fixed piece; 21. Information label. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example

[0024] See also Figure 1-4 An explosion-proof magnetic flap level gauge includes a magnetic flap level gauge 1, an explosion-proof box 2, a connecting frame 3, a collar 4, a movable rod 5, a connecting frame 6, an explosion-proof plate 7, an observation window 8, a locking ring 9, a movable pin 10 and a fixed pin 11. The magnetic flap level gauge 1 is arranged inside the explosion-proof box 2 through an installation mechanism. The front middle side of the right end of the explosion-proof box 2 is connected to the left side of the collar 4 through a connecting frame 3, the inner side of the collar 4 is movably connected to the outer side of the movable rod 5, the front end of the movable rod 5 is connected to the middle side of the right end of the explosion-proof plate 7 through a connecting frame 6, an observation window 8 is arranged in the middle of the explosion-proof plate 7, and the lower left side of the front end of the explosion-proof plate 7 It is rotatably connected to the inner end of the locking ring 9, the output end of the locking ring 9 is connected to one side of the inner end of the movable pin piece 10, and the lower left side of the front end inside the explosion-proof box 2 is connected to the inner end of the fixed pin piece 11; the magnetic flap level gauge 1 is fixed to the inner side of the explosion-proof box 2 through the installation mechanism, and then under the connection of the connecting frame 1 3, the movable rod 5 is moved on the inner side of the sleeve ring 4, so that the explosion-proof plate 7 is connected and closed through the connecting frame 2 6 to form a closed explosion-proof protection on the front side of the explosion-proof box 2, and the locking ring 9 is twisted to make the movable pin piece 10 rotate and pin into the fixed pin piece 11, so that the explosion-proof plate 7 is closed and locked. During use, it can be observed through the observation window 8.

[0025] The installation mechanism includes a fixed sleeve frame 12, a hinge 13, a movable sleeve frame 14, a screw groove frame 15, a penetration piece 16 and a fixing bolt 17. The middle and upper side of the rear end of the explosion-proof box 2 is connected to the rear end of the fixed sleeve frame 12, the front side of the right end of the fixed sleeve frame 12 is movably connected to the rear side of the right end of the movable sleeve frame 14 through the hinge 13, the left end of the fixed sleeve frame 12 is connected to the right end of the screw groove frame 15, and the rear side of the left end of the movable sleeve frame 14 is connected to the right end of the penetration piece 16. The fixing bolt 17 passes through the penetration piece 16 and is detachably screwed on the inner side of the screw groove frame 15; when the movable sleeve frame 14 is opened, the outer side of the upper part of the magnetic flap liquid level gauge 1 is placed on the inner side of the fixed sleeve frame 12, and then the movable sleeve frame 14 is closed under the constraint of the hinge 13, so that the penetration piece 16 and the screw groove frame 15 correspond, and then the fixing bolt 17 can be screwed inward into the screw groove frame 15, so that the movable sleeve frame 14 is closed and fixed, and the magnetic flap liquid level gauge 1 is installed and fixed.

[0026] It also includes a handle 18, and the middle part of the left end of the explosion-proof plate 7 is connected to the inner side of the handle 18; by holding the handle 18, the explosion-proof plate 7 can be connected to assist in opening and closing, thereby improving convenience.

[0027] It also includes a lighting lamp 19, and the top of the interior of the explosion-proof box 2 is connected to the top of the lighting lamp 19; the lighting lamp 19 can illuminate the interior of the explosion-proof box 2, optimize the internal light environment, and facilitate observation.

[0028] It also includes a fixing plate 20, and the rear ends of the left and right sides of the explosion-proof box 2 are respectively connected to the inner ends of a group of fixing plates 20; the fixing plates 20 can be connected to the installation position and fixed to position the explosion-proof box 2 to improve stability.

[0029] It also includes an information mark 21, and the right side of the observation window 8 at the front end of the explosion-proof plate 7 is connected to the inner side of the information mark 21; the information mark 21 can display relevant information to assist the use and reading of the magnetic flap level meter 1, thereby improving convenience.

[0030] In summary, when an explosion-proof magnetic flap level gauge is in use, the explosion-proof box 2 is fixed in the corresponding installation position by the fixing plate 20. When the movable sleeve frame 14 is opened, the outer side of the upper part of the magnetic flap level gauge 1 is placed on the inner side of the fixed sleeve frame 12, and then the movable sleeve frame 14 is closed under the constraint of the hinge 13, so that the penetration plate 16 and the screw groove frame 15 correspond to each other, and then the fixing bolt 17 can be screwed into the screw groove frame 15 to close and fix the movable sleeve frame 14, and the magnetic flap level gauge 1 is installed and fixed, and then the grip is held. When the handle piece 18 is connected to the connecting frame 1 3, the movable rod 5 is movable inside the collar 4, so that the explosion-proof plate 7 is connected and closed through the connecting frame 2 6 to form a closed explosion-proof protection on the front side of the explosion-proof box 2, and the lock ring 9 is turned to rotate the movable pin piece 10 and pin it into the fixed pin piece 11 to close and lock the explosion-proof plate 7. During use, it can be observed through the observation window 8 through the illumination of the lighting lamp 19, and the relevant information can be displayed through the information mark 21 to assist the use and reading of the magnetic flap level meter 1.

[0031] The magnetic flap level gauge 1 and the lighting lamp 19 are well-known devices purchased directly from the market by technicians in this field. We only use them here without making any structural or functional improvements to them, so we will not go into details here.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An explosion-proof magnetic flap level gauge, comprising a magnetic flap level gauge (1), characterized in that: The invention also comprises an explosion-proof box (2), a first connecting frame (3), a collar (4), a movable rod (5), a second connecting frame (6), an explosion-proof plate (7), an observation window (8), a locking ring (9), a movable pin (10) and a fixed pin (11). The magnetic flap level gauge (1) is arranged inside the explosion-proof box (2) via a mounting mechanism. The front middle side of the right end of the explosion-proof box (2) is connected to the left side of the collar (4) via the first connecting frame (3). The inner side of the collar (4) is movably connected to the outer side of the movable rod (5). The front end of the movable rod (5) is connected to the middle side of the right end of the explosion-proof plate (7) via the second connecting frame (6). An observation window (8) is arranged in the middle of the explosion-proof plate (7). The lower left side of the front end of the explosion-proof plate (7) is rotatably connected to the inner end of the locking ring (9). The output end of the locking ring (9) is connected to one side of the inner end of the movable pin (10). The lower left side of the front end inside the explosion-proof box (2) is connected to the inner end of the fixed pin (11).

2. The explosion-proof magnetic flap level gauge according to claim 1, characterized in that: The mounting mechanism comprises a fixed sleeve frame (12), a hinge (13), a movable sleeve frame (14), a screw groove frame (15), a penetration piece (16) and a fixing bolt (17); the middle upper side of the rear end of the explosion-proof box (2) is connected to the rear end of the fixed sleeve frame (12); the front side of the right end of the fixed sleeve frame (12) is movably connected to the rear side of the right end of the movable sleeve frame (14) through the hinge (13); the left end of the fixed sleeve frame (12) is connected to the right end of the screw groove frame (15); the rear side of the left end of the movable sleeve frame (14) is connected to the right end of the penetration piece (16); and the fixing bolt (17) passes through the penetration piece (16) and is detachably screwed on the inner side of the screw groove frame (15).

3. The explosion-proof magnetic flap level gauge according to claim 1, characterized in that: It also comprises a handle (18), and the middle part of the left end of the explosion-proof plate (7) is connected to the inner side of the handle (18).

4. The explosion-proof magnetic flap level gauge according to claim 1, characterized in that: It also comprises a lighting lamp (19), and the top end of the interior of the explosion-proof box (2) is connected to the top end of the lighting lamp (19).

5. The explosion-proof magnetic flap level gauge according to claim 1, characterized in that: It also comprises a fixing plate (20), and the rear ends of the left and right sides of the explosion-proof box (2) are respectively connected to the inner ends of a group of fixing plates (20).

6. The explosion-proof magnetic flap level gauge according to claim 1, characterized in that: It also includes an information sign (21), and the right side of the observation window (8) at the front end of the explosion-proof plate (7) is connected to the inner side of the information sign (21).