Magnetic flap liquid level meter capable of protecting floating ball

Abstract

The utility model relates to the technical field of magnetic flap liquid level meters, and discloses a magnetic flap liquid level meter capable of protecting a floating ball, which comprises a measuring cylinder, a protective cover is arranged on the inner wall of the measuring cylinder, a protective cover is arranged at the top of the protective cover, and rubber pads are fixedly connected to the inner walls of the protective cover and the protective cover. Damping springs are fixedly connected to the upper side and the lower side of the inner wall of the rubber pad, a buffer plate is fixedly connected to one side of each damping spring, a magnetic floating ball is arranged on the inner wall of each buffer plate, and first sealing rings are fixedly connected to the bottom of the protective cover and the top of the rubber pad. The magnetic floating ball is protected through the protective cover and other components, impurities and foreign matter are prevented from impacting the magnetic floating ball, the rubber pad buffers firstly, the damping spring absorbs residual force when impact is large, movement of the floating ball is stabilized, the liquid level measuring precision is ensured, the protective cover is opened through the button and other components, the interior can be directly observed and overhauled, and the liquid level measuring device adapts to the severe environment; the cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of magnetic reed liquid level meter, especially to a magnetic reed liquid level meter capable of protecting the float ball. BACKGROUND

[0002] The magnetic reed liquid level meter can be used for medium liquid level detection of various towers, tanks, grooves, spherical containers and boilers, and the liquid level meter can realize high sealing, leakage prevention and application in high-temperature, high-pressure and corrosion-resistant occasions, and can compensate for the defects of poor indication clarity and easy breakage of the glass plate (tube) liquid level meter, and can realize blind area-free measurement, clear display and large measurement range.

[0003] The magnetic float ball is placed in the measuring cylinder, which is generally made of metal (such as stainless steel), and can block the direct contact of the magnetic float ball with large external objects to a certain extent, for example, in a general industrial environment, the measuring cylinder can prevent the float ball from being accidentally touched by the operator or prevent some larger tools from falling into the float ball and causing damage, which usually requires professional tools and certain technical knowledge, and careful operation to avoid damaging the fine components in the meter head part, such as the magnetic coupling components and the pointer mechanism.

[0004] Although the measuring cylinder has a certain isolation effect, the existing liquid level meter does not have special protection measures for small impurities (such as tiny solid particles and crystalline substances) in the liquid, which can enter the surrounding of the float ball with the liquid flow, and after a long time of accumulation, can be attached to the surface of the float ball, increase the weight of the float ball, affect its buoyancy, and further cause liquid level measurement error, when the liquid in the container appears violent fluctuation (such as in the stirring process or when the liquid is quickly injected or extracted), the float ball will be subjected to a large impact force, and the float ball can collide violently with the inner wall of the measuring cylinder, causing the surface of the float ball to wear and deform, and even the magnetic components inside the float ball can be damaged, affecting the magnetic coupling effect and the accuracy of liquid level measurement, and the wear of the surface of the float ball, the bending of the connecting rod and other problems cannot be directly observed, and thorough inspection of the internal components of the liquid level meter often requires disassembly of multiple components such as the measuring cylinder and the float ball connecting rod. This not only has a large amount of work, but also is easy to damage the components during disassembly, especially some sealing elements and fine magnetic coupling components, once damaged, the performance of the liquid level meter after reinstallation will be affected. UTILITY MODEL CONTENTS

[0005] The utility model discloses a magnetic reed liquid level meter capable of protecting the float ball, which solves the problem of no special protection measures for the magnetic float ball in the background art and the problem of being unable to directly observe the components inside the liquid level meter.

[0006] To achieve the above object, the utility model provides the following technical scheme: A magnetic float ball liquid level meter can protect the float ball, including the measuring cylinder, the inner wall of the measuring cylinder is provided with the protection cover, the top of protection cover is provided with the protection cover, the inner wall of protection cover and protection cover is all fixedly connected with rubber pad, the inner wall of rubber pad upper and lower sides is all fixedly connected with damping spring, the side of damping spring is fixedly connected with the buffer plate, the inner wall of buffer plate is provided with the magnetic float ball, the bottom of protection cover and the top of rubber pad are all fixedly connected with first sealing ring, the inner wall of rubber pad is provided with the dismounting assembly for dismounting protection cover, one side of measuring cylinder is provided with the sealing assembly for sealing measuring cylinder.

[0007] Through the above technical scheme, the protection cover and the protection cover can block the impact of foreign matter on the magnetic float ball, reduce the risk of wear and tear, the rubber pad first buffers, the damping spring absorbs the impact force when the impact force is large, reduces the impact force of the float ball, and the float ball follows the change of the liquid level smoothly and accurately, improves the measurement accuracy, and the first sealing ring increases the sealing between the protection cover and the protection cover.

[0008] As a further description of the above technical scheme: the sealing assembly includes a lock shell, one end of the lock shell is fixedly connected with the top of the measuring cylinder, the bottom inner wall of the lock shell is fixedly connected with a threaded sleeve, the inner wall top of the lock shell is rotatably connected with a lock clamp on both sides, the bottom inner wall of the lock clamp is penetrated and slidably connected with a moving block, and the two ends of the moving block are fixedly connected with a pull rod.

[0009] Through the above technical scheme, the lock shell fixes the threaded sleeve on the inner wall bottom, and the pull rod moves to drive the moving block to move, so that the lock clamp rotates.

[0010] As a further description of the above technical scheme: the bottom of the pull rod is rotatably connected with a threaded rod, the outer wall of the threaded rod is threadedly connected with the inner wall of the threaded sleeve, and the bottom of the threaded rod is fixedly connected with a rotating handle.

[0011] Through the above technical scheme, the rotating handle is twisted, which drives the threaded rod to rotate and move in the threaded sleeve, thereby driving the pull rod to move.

[0012] As a further description of the above technical scheme: the top of the measuring cylinder is provided with a top cover, the bottom of the top cover is fixedly connected with a lock catch, and the top of the measuring cylinder and the bottom of the top cover are fixedly connected with a second sealing ring.

[0013] Through the above technical scheme, when the lock clamp rotates and contacts the lock catch, the top cover can be fixed, when the lock clamp rotates and separates from the lock catch, the top cover can be opened, and the second sealing ring improves the sealing between the measuring cylinder and the top cover.

[0014] As a further description of the above technical solution: the dismounting assembly comprises a button, the button is through and slidingly connected with one side of the protective cover, one side of the button is fixedly connected with a sliding block, the top of the sliding block is fixedly connected with a fixed clamp, one side of the button is fixedly connected with a fixed rod.

[0015] By adopting the above technical scheme, the button is pressed to drive the fixed clamp and the fixed rod to move, and the fixed clamp can be locked or unlocked when moving.

[0016] As a further description of the above technical solution: the outer wall of the fixed rod is sleeved with a spring, the top inner wall of one side of the protective cover is fixedly connected with a limiting block, and the rear end outer wall of the limiting block is through and slidingly connected with one side of the inner wall of the fixed rod.

[0017] By adopting the above technical scheme, the spring is extruded when the fixed rod moves, the limiting block prevents the fixed rod from moving excessively, and the spring provides a resetting force for the fixed rod.

[0018] As a further description of the above technical solution: one side of the measuring cylinder is fixedly connected with an indicator scale, and the inner wall of the indicator scale is provided with uniformly distributed magnetic flaps.

[0019] By adopting the above technical scheme, the indicator scale provides an intuitive liquid level height reference, and the magnetic flaps intuitively display the height of the liquid level through color flipping.

[0020] As a further description of the above technical solution: the bottom of the measuring cylinder is fixedly connected with a bottom flange, the bottom of the bottom flange is fixedly connected with a blowdown pipe, the middle of the blowdown pipe is through and fixedly connected with a blowdown valve, and the two ends of one side of the measuring cylinder are through and fixedly connected with connecting flanges.

[0021] By adopting the above technical scheme, the bottom flange fixes the blowdown pipe and the blowdown valve on the measuring cylinder, the blowdown valve is opened, impurities can be discharged from the blowdown pipe, and the connecting flanges connect the liquid level meter with the measured container.

[0022] Compared with the prior art, the utility model has the advantages that:

[0023] 1、The magnetic flap liquid level meter capable of protecting the floating ball can protect the magnetic floating ball through the protective cover, the protective cover, the rubber pad, the damping spring and the buffer plate, block impurities and foreign matters from impacting the magnetic floating ball, buffer first through the rubber pad, and the damping spring absorbs the remaining force when the impact is larger, stabilizes the floating ball movement, ensures the liquid level measurement accuracy, opens the protective cover through the button, the sliding block, the fixed rod, the spring and the fixed clamp, can directly observe and maintain the floating ball and check the buffer assembly, adapts to harsh environments, prolongs the service life and reduces the cost.

[0024] 2. The magnetic flap liquid level meter capable of protecting the floating ball, which is sealed by the rotating handle, the threaded rod, the threaded sleeve, the pull rod, the lock shell, the moving block, the lock clamp, the lock catch and the top cover, facilitates inspection and maintenance of internal components, can directly clean and inspect the magnetic coupling components, easily cleans the internal space to ensure accuracy, can directly replace the damaged module, reduces influence and improves efficiency, ensures sealing to prevent leakage, blocks water vapor and dust from entering the interior, prolongs service life and increases reliability, saves maintenance time and workload. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a perspective view of the utility model;

[0026] Figure 2 is a sectional view of the measuring cylinder of the utility model;

[0027] Figure 3 is a sectional view of the protective cover of the utility model;

[0028] Figure 4 is a sectional view of the protective cover of the utility model;

[0029] Figure 5 is a sectional view of the lock shell of the utility model.

[0030] LEGEND:

[0031] 1, measuring cylinder; 2, indicator scale; 3, bottom flange; 4, blowdown pipe; 5, blowdown valve; 6, connecting flange; 7, lock shell; 8, lock catch; 9, magnetic flap; 10, protective cover; 11, protective cover; 12, rubber pad; 13, shock absorbing spring; 14, buffer plate; 15, magnetic floating ball; 16, button; 17, first sealing ring; 18, sliding block; 19, fixed rod; 20, spring; 21, limit block; 22, fixed clamp; 23, lock clamp; 24, pull rod; 25, moving block; 26, threaded sleeve; 27, threaded rod; 28, rotating handle; 29, top cover; 30, second sealing ring. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0033] In order to further understand the content of the utility model, the utility model will be described in detail in combination with the drawings.

[0034] In combination with Figures 1-2The utility model discloses a magnetic flap liquid level meter can be to the protection of float ball, including measuring cylinder 1, measuring cylinder 1 is as the main part of liquid level meter, is used for containing and measuring the liquid level of liquid, the inner wall of buffer plate 14 is provided with magnetic float ball 15, and magnetic float ball 15 is according to the change of liquid level and floats up and down, and through the magnetic coupling effect is passed to the indicator scale 2 with the liquid level information transmission, one side of measuring cylinder 1 is provided with the sealing assembly for sealing measuring cylinder 1, one side fixedly connected with indicator scale 2 of measuring cylinder 1, and the height of liquid level is shown to measuring cylinder 1 through the overturning of magnetic flap 9, and the liquid level information is directly visible, the inner wall of indicator scale 2 is provided with the magnetic flap 9 of evenly distribution, and the magnetic flap 9 overturns according to the position change of magnetic float ball 15, and shows the height of liquid level, and the bottom fixedly connected with bottom flange 3 of measuring cylinder 1, and bottom flange 3 connects measuring cylinder 1 and blow-off pipe 4, provides stable support structure, and the bottom fixedly connected with blow-off pipe 4 of bottom flange 3, and blow-off pipe 4 is used for discharging the impurity and sediment in measuring cylinder 1, keeps the cleanliness in measuring cylinder 1, and the middle of blow-off pipe 4 is penetrated and fixedly connected with blow-off valve 5, and blow-off valve 5 controls the opening and close of blow-off pipe 4, realizes regular blow-off, and both ends of one side of measuring cylinder 1 are penetrated and fixedly connected with the connecting flange 6, and the connecting flange 6 is used for connecting measuring cylinder 1 with the measured container, ensures the sealing property and stability of whole device.

[0035] In combination Figures 2-4The inner wall of the measuring cylinder 1 is provided with a protective cover 10, which provides additional protection for the magnetic floating ball 15, prevents external factors (such as foreign matter entering, collision, etc.) from damaging the magnetic floating ball 15 and the internal structure of the measuring cylinder 1, and the top of the protective cover 10 is provided with a protective cover 11, which cooperates with the protective cover 10 to further enhance the protection of the internal magnetic floating ball 15, prevent impurities from entering the inside of the protective cover 10, and the inner walls of the protective cover 10 and the protective cover 11 are fixedly connected with rubber pads 12, which can absorb part of the energy and reduce the impact on the internal magnetic floating ball 15, the inner walls of the rubber pads 12 are fixedly connected with shock-absorbing springs 13 on the upper and lower sides, one side of the shock-absorbing springs 13 is fixedly connected with a buffer plate 14, when subjected to external vibration or impact, the buffer plate 14 transmits the impact force to the shock-absorbing springs 13, the shock-absorbing springs 13 will elastically deform, absorb and convert energy, thereby reducing the impact on the magnetic floating ball 15, ensuring that the magnetic floating ball 15 can stably reflect the change of liquid level, the bottom of the protective cover 11 and the top of the rubber pad 12 are fixedly connected with a first sealing ring 17, the first sealing ring 17 is located at the connection part of the protective cover 11 and the protective cover 10, and the first sealing ring 17 plays a sealing role, the inner wall of the rubber pad 12 is provided with a disassembly assembly for disassembling the protective cover 11, which facilitates maintenance, repair or replacement of parts and other operations on the internal structure of the protective cover 10, the disassembly assembly comprises a button 16, the button 16 is penetratingly and slidingly connected with one side of the protective cover 10, one side of the button 16 is fixedly connected with a sliding block 18, when the button 16 is pressed, the sliding block 18 will move with the movement of the button 16, thereby driving the fixed clamp 22 to move accordingly, realizing the fixing or loosening operation of the protective cover 11, the top of the sliding block 18 is fixedly connected with a fixed clamp 22, the fixed clamp 22 cooperates with the protective cover 11 to fix the protective cover 11 on the protective cover 10, when the protective cover 11 needs to be disassembled, the sliding block 18 drives the fixed clamp 22 to move, releasing the fixation of the protective cover 11, so that the protective cover 11 can be removed, one side of the button 16 is fixedly connected with a fixed rod 19, the fixed rod 19 provides support and guidance for the button 16, ensuring that the button 16 can move in a fixed direction during pressing and loosening, the outer wall of the fixed rod 19 is sleeved with a spring 20, when the fixed rod 19 moves, the spring 20 is compressed to store elastic potential energy, when the button 16 is loosened, the spring 20 releases the elastic potential energy to make the fixed rod 19 return to the initial position, the top inner wall of one side of the protective cover 10 is fixedly connected with a limiting block 21, the rear end outer wall of the limiting block 21 is penetratingly and slidingly connected with the inner wall of one side of the fixed rod 19, the limiting block 21 limits the movement of the fixed rod 19, preventing the button 16 from being pressed too much.

[0036] In combination Figure 1 And Figure 5The sealing assembly comprises a lock shell 7, which provides a mounting position for the sealing assembly, connects the sealing assembly with the measuring cylinder 1, and ensures the stability of the sealing assembly as a whole. One end of the lock shell 7 is fixedly connected with the top of the periphery of the measuring cylinder 1. The inner wall of the bottom of the lock shell 7 is fixedly connected with a threaded sleeve 26, which cooperates with a threaded rod 27 to realize the rotational control of the lock clamp 23 through threaded connection. The inner wall top of the lock shell 7 is rotatably connected with the lock clamp 23 on both sides. The lock clamp 23 is used to cooperate with the lock catch 8 at the bottom of the periphery of the top cover 29. When the lock clamp 23 is adjusted to the appropriate position, it can tightly clamp the lock catch 8, thereby firmly fixing the top cover 29 on the top of the measuring cylinder 1. The bottom inner wall of the lock clamp 23 is penetrated and slidably connected with a moving block 25. The two ends of the moving block 25 are fixedly connected with a pull rod 24. When the pull rod 24 moves up and down under the driving of the threaded rod 27, the moving block 25 transmits the pulling force or pressure to the lock clamp 23, so that the lock clamp 23 can perform the corresponding opening and closing action. The bottom of the pull rod 24 is rotatably connected with the threaded rod 27. The outer wall of the threaded rod 27 is threadedly connected with the inner wall of the threaded sleeve 26. The bottom of the threaded rod 27 is fixedly connected with a rotating handle 28. By twisting the rotating handle 28, the rotating handle 28 drives the threaded rod 27 to rotate and move up and down in the threaded sleeve 26. The top of the measuring cylinder 1 is provided with the top cover 29, which is located at the top of the measuring cylinder 1 and plays a role in closing the opening at the top of the measuring cylinder 1, preventing liquid leakage and foreign matter from entering the inside of the measuring cylinder 1. The bottom of the periphery of the top cover 29 is fixedly connected with the lock catch 8, which is fixed at the bottom of the periphery of the top cover 29 and interacts with the lock clamp 23. When the sealing assembly is working normally, the lock clamp 23 tightly clamps the lock catch 8, fixing the top cover 29 on the measuring cylinder 1 and ensuring the effectiveness of the sealing. The top of the measuring cylinder 1 and the bottom of the top cover 29 are both fixedly connected with a second sealing ring 30, which prevents liquid or gas leakage and enhances the sealing effect.

[0037] Working principle: the connecting flange 6 is fixed on the device to be measured, the liquid enters the measuring cylinder 1 through the channel on the connecting flange 6, the magnetic floating ball 15 moves and drives the magnetic flap 9 to flip, the height of the liquid is measured, the protective cover 10 and the protective cover 11 can effectively block the direct impact of large particles and foreign matter on the magnetic floating ball 15, reduce the risk of surface wear and damage of the floating ball, when the magnetic floating ball 15 is subjected to liquid fluctuation, impact or accidental collision, the rubber pad 12 first absorbs part of the energy by elastic deformation, plays a preliminary buffering role, if the impact force is large, the magnetic floating ball 15 extrudes the buffer plate 14 and thus extrudes the shock absorbing spring 13, the shock absorbing spring 13 will further compress, converting the remaining kinetic energy into elastic potential energy, thereby effectively reducing the impact force on the floating ball, preventing the magnetic floating ball 15 from excessive shaking, deviation or jamming, the magnetic floating ball 15 can follow the liquid level change more smoothly and accurately, ensuring that the magnetic coupling part of the magnetic flap liquid level meter can accurately reflect the liquid level height, thereby improving the accuracy of liquid level measurement, press the button 16, the button 16 drives the fixed clamp 22 and the moving block 25 to move, the moving block 25 moves and drives the fixed rod 19 to move and extrude the spring 20, the fixed clamp 22 moves and can open the protective cover 11, the limiting block 21 prevents the fixed rod 19 from moving excessively, loosen the button 16, the spring 20 drives the fixed rod 19 to reset, thereby resetting the moving block 25, the moving block 25 resets the fixed clamp 22 and the button 16, thereby fixing the protective cover 11 and the protective cover 10, maintenance personnel can conveniently open the protective cover 11 to directly observe and check the state of the floating ball, when there is impurity attached to the surface of the magnetic floating ball 15 or slight damage occurs, the protective cover 11 can be quickly opened for cleaning or repair, without the need for complex tools and long equipment disassembly process, greatly shortening the maintenance time and workload, the spring buffer assembly and the rubber pad 12 can also be checked at the same time, enabling the magnetic flap liquid level meter to work normally in a more severe industrial environment, prolonging the service life of the entire magnetic flap liquid level meter, reducing the cost of manual maintenance, twist the rotary handle 28, the rotary handle 28 drives the threaded rod 27 to rotate and move in the threaded sleeve 26, the threaded rod 27 moves and drives the pull rod 24 to move, the pull rod 24 moves and drives the moving block 25 to move, thereby rotating the lock clamp 23 and disassembling the top cover 29, twist the rotary handle 28 in the opposite direction, the fixed clamp 22 is fixed with the lock 8, forming a seal for the measuring cylinder 1, the second sealing ring 30 improves the sealing effect, facilitating the inspection and repair of the components inside the liquid level meter, the top cover 29 can be directly opened to clean, replace the flap or check the related magnetic coupling components of the measuring cylinder 1, without the need to disassemble the entire liquid level meter from the installation position, greatly saving the maintenance time and workload, ensuring the normal work of the liquid level meter, making it easy to clean the internal space, the internal space can be thoroughly cleaned using appropriate tools and cleaning agents, preventing these impurities from affecting the flipping of the magnetic flap 9 or the movement of the floating ball, thereby ensuring the measurement accuracy of the liquid level meter, when a module inside the liquid level meter is severely damaged and needs to be replaced,The damaged module can be directly taken out from the top, and then a new module is installed, which reduces the influence on other parts of the liquid level meter when the module is replaced, improves the replacement efficiency, can ensure good sealing effect, prevents liquid leakage or water vapor, dust and the like from the outside from entering the liquid level meter, can prolong the service life of the equipment, and improves the reliability of the equipment.

[0038] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A magnetic level gauge with a float protection function, comprising a measuring cylinder (1), characterized in that: The inner wall of the measuring cylinder (1) is provided with a protective cover (10), and the top of the protective cover (10) is provided with a protective cap (11). The inner walls of the protective cover (10) and the protective cap (11) are both fixedly connected with rubber pads (12). The upper and lower sides of the inner wall of the rubber pad (12) are both fixedly connected with shock-absorbing springs (13). One side of the shock-absorbing springs (13) is fixedly connected with a buffer plate (14). The inner wall of the buffer plate (14) is provided with a magnetic levitation ball (15). The bottom of the protective cap (11) and the top of the rubber pad (12) are both fixedly connected with a first sealing ring (17). The inner wall of the rubber pad (12) is provided with a disassembly assembly for disassembling the protective cap (11). One side of the measuring cylinder (1) is provided with a sealing assembly for sealing the measuring cylinder (1).

2. A magnetic level gauge with float protection according to claim 1, characterized in that: The sealing assembly includes a lock housing (7), one end of which is fixedly connected to the top of the measuring cylinder (1) around its perimeter. A threaded sleeve (26) is fixedly connected to the bottom inner wall of the lock housing (7). Locking clips (23) are rotatably connected to both sides of the top of the inner wall of the lock housing (7). A moving block (25) is slidably connected through the bottom inner wall of the locking clip (23). Pull rods (24) are fixedly connected to both ends of the moving block (25).

3. A magnetic level gauge with float protection according to claim 2, characterized in that: The bottom of the pull rod (24) is rotatably connected to a threaded rod (27), the outer wall of the threaded rod (27) is threadedly connected to the inner wall of the threaded sleeve (26), and the bottom of the threaded rod (27) is fixedly connected to a rotating handle (28).

4. A magnetic level gauge with float protection according to claim 1, characterized in that: The measuring cylinder (1) is provided with a top cover (29) at the top. The bottom of the top cover (29) is fixedly connected with a latch (8) around its perimeter. The top of the measuring cylinder (1) and the bottom of the top cover (29) are both fixedly connected with a second sealing ring (30).

5. A magnetic level gauge with float protection according to claim 1, characterized in that: The disassembly assembly includes a button (16), which is slidably connected to one side of the protective cover (10). A sliding block (18) is fixedly connected to one side of the button (16), and a fixing clip (22) is fixedly connected to the top of the sliding block (18). A fixing rod (19) is fixedly connected to one side of the button (16).

6. A magnetic level gauge with float protection according to claim 5, characterized in that: A spring (20) is sleeved on the outer wall of the fixing rod (19), and a limiting block (21) is fixedly connected to the top inner wall of one side of the protective cover (10). The outer wall of the rear end of the limiting block (21) is connected to the inner wall of one side of the fixing rod (19) through and slidingly connected.

7. A magnetic level gauge with float protection according to claim 1, characterized in that: An indicator scale (2) is fixedly connected to one side of the measuring cylinder (1), and the inner wall of the indicator scale (2) is provided with evenly distributed magnetic flip plates (9).

8. A magnetic level gauge with float protection according to claim 1, characterized in that: The bottom of the measuring cylinder (1) is fixedly connected to a bottom flange (3), and the bottom of the bottom flange (3) is fixedly connected to a drain pipe (4). A drain valve (5) is fixedly connected through the middle of the drain pipe (4), and a connecting flange (6) is fixedly connected through both ends of one side of the measuring cylinder (1).

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