Liquid level meter with anti-interference function
By introducing a filter net and a motor-driven bristle cleaning system into the level meter, the detection accuracy problem of the magnetic flip level meter is reduced due to dirt blockage, and higher measurement accuracy and operation convenience are achieved.
Patent Information
- Application Number
- CN202420837972.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-22
- Publication Date
- 2025-01-17
- Estimated Expiration
- 2034-04-22
AI Technical Summary
The existing magnetic flap level gauge is prone to blockage due to excessive dirt and impurities in the measuring catheter, which leads to the magnet float stuck and affects the measurement accuracy.
A liquid level meter with a filter mesh is designed. The motor drives the gears and gear rings to rotate. The bristles are driven by the connecting rod and the mounting rod to clean the solid impurities on the filter mesh, preventing impurities from entering the shell, and ensuring the detection accuracy of the magnetic float.
It effectively avoids the magnetic float jam caused by solid impurities, ensures the detection accuracy of the liquid level gauge, and simplifies the impurity cleaning process.
Smart Images

Figure CN222364635U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of liquid level gauges, in particular to a liquid level gauge with an anti-interference function. Background Art
[0002] The flap level gauge is installed on the outside or on the tank to indicate and control the sealing form in the tank. A drain valve can be installed as needed. The connecting flange can accept a control instrument with customized liquid level height. The indicator is composed of magnetic color pieces. When the magnetic float in the main tube rises with the liquid level, the color piece flips to display the liquid level. It is suitable for liquid level indication in industrial fields such as petroleum and chemical industry. The level gauge has a simple structure, intuitive and clear observation, no blockage, no leakage, easy installation and simple maintenance. The most common problem of existing magnetic flap level gauges is blockage. If there are too many dirt and impurities in the measuring tube, the magnetic float will be stuck and inflexible, which will affect the measurement accuracy. For this reason, we propose a level gauge with anti-interference function. Utility Model Content
[0003] In order to solve the above problems, the utility model provides a liquid level meter with anti-interference function. The utility model solves the problem that the existing magnetic flap liquid level meter is most prone to clogging. If there are too many dirt and impurities in the measuring conduit, the magnetic float will be stuck and become inflexible, thereby affecting the measurement accuracy.
[0004] A liquid level gauge with an anti-interference function in the utility model comprises a shell, an indicator shell is provided on one side of the shell, a plurality of equally spaced flaps are provided in the indicator shell, a magnetic float is provided in the shell, a liquid inlet pipe is provided on one side of the lower end of the shell, a movable ring is provided on the liquid inlet pipe close to the shell side, a gear ring is provided on the outer side of the movable ring, a mounting frame is provided on the liquid inlet pipe located on the side of the movable ring, a motor is fixedly mounted on the mounting frame, a gear meshing with the gear ring is provided on the rotating shaft of the motor, two symmetrical connecting rods are provided on the side of the movable ring away from the shell, the two connecting rods are fixedly connected by the mounting rod on the side away from the movable ring, bristles are provided on the side of the mounting rod away from the connecting rod, and a filter is provided on the liquid inlet pipe on the side of the bristles away from the mounting rod.
[0005] In the above scheme, the liquid inlet pipe is provided with a sewage pipe on the side of the filter screen close to the shell, a sealing cover is provided below the sewage pipe, and anti-slip grooves are provided on the outer side of the sealing cover.
[0006] In the above solution, the indicator housing is provided with a scale on one side of the flap.
[0007] In the above solution, the liquid inlet pipe is located outside the motor and the gear and is provided with a protective cover.
[0008] In the above solution, the protective cover is fixedly connected below by a reinforcing plate.
[0009] In the above solution, a liquid outlet pipe is provided at the upper end of the shell away from the indicator housing, and flanges are provided at the liquid outlet pipe and the liquid inlet pipe away from the shell.
[0010] The advantages and beneficial effects of the utility model are as follows: the utility model provides a liquid level meter with an anti-interference function, the filter screen can filter the liquid entering the shell, thereby preventing solid impurities from entering the shell, causing the magnetic float to reduce the detection accuracy, the motor drives the gear to rotate, and the gear ring meshing with the gear also rotates under the drive of the gear, when the gear ring rotates, the gear drives the movable ring to rotate, through the transmission of the connecting rod, the installation rod can drive the bristles to rotate, so that the rotating bristles can clean the solid impurities attached to the filter screen. This type of liquid level meter has a simple structure, is easy to operate, and has a good filtering effect. The impurities filtered by the filter screen are easy to clean, effectively avoiding the phenomenon of magnetic float jamming caused by solid impurities, and ensuring the detection accuracy of the liquid level meter. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] 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.
[0012] Figure 1 It is a schematic diagram of the structure of the utility model;
[0013] Figure 2 It is the first cross-sectional view of the utility model;
[0014] Figure 3 It is a second cross-sectional view of the utility model;
[0015] Figure 4 This is a schematic structural diagram of part A of the utility model;
[0016] Figure 5 This is a schematic diagram of the structure of part B of the utility model;
[0017] Figure 6 This is a schematic structural diagram of part C of the utility model.
[0018] In the figure: 1, housing 2, indicator housing 3, flap 4, scale
[0019] 5. Flange 6. Liquid inlet pipe 7. Movable ring 8. Gear ring
[0020] 9. Mounting frame 10. Motor 11. Gear 12. Connecting rod
[0021] 13. Mounting rod 14. Brush 15. Filter 16. Magnetic float
[0022] 17. Drain pipe 18. Sealing cover 19. Anti-slip pattern 20. Protective cover
[0023] 21. Reinforcement plate 22. Liquid outlet pipe. DETAILED DESCRIPTION
[0024] The following is a further description of the specific implementation of the present invention in conjunction with the accompanying drawings and embodiments. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and cannot be used to limit the protection scope of the present invention.
[0025] like Figure 1-6 As shown, the utility model is a liquid level gauge with an anti-interference function, comprising a shell 1, an indicator shell 2 is provided on one side of the shell 1, a plurality of equally spaced flaps 3 are provided in the indicator shell 2, a magnetic float 16 is provided in the shell 1, a liquid inlet pipe 6 is provided on one side of the lower end of the shell 1, a movable ring 7 is provided on the liquid inlet pipe 6 close to the side of the shell 1, the movable ring 7 and the liquid inlet pipe 6 are movably connected, a sealing ring is provided between the movable ring 7 and the liquid inlet pipe 6, and the setting of the sealing ring effectively increases the sealing between the movable ring 7 and the liquid inlet pipe 6, a gear ring 8 is provided on the outer side of the movable ring 7, and a mounting frame 9 is provided on the liquid inlet pipe 6 on one side of the movable ring 7, a motor 10 is fixedly installed on the mounting frame 9, a gear 11 meshing with the gear ring 8 is provided on the rotating shaft of the motor 10, and the motor 10 When working, the motor 10 drives the gear 11 to rotate, and the gear ring 8 meshing with the gear 11 also rotates under the drive of the gear 11. Two symmetrical connecting rods 12 are provided on the side of the movable ring 7 away from the shell 1. The two connecting rods 12 are fixedly connected by the mounting rod 13 on the side away from the movable ring 7. Bristles 14 are provided on the side of the mounting rod 13 away from the connecting rod 12. A filter screen 15 is provided on the side of the liquid inlet pipe 6 away from the mounting rod 13 of the bristles 14. The filter screen 15 can filter the liquid entering the shell 1. When the gear ring 8 rotates, the gear 11 drives the movable ring 7 to rotate. Through the transmission of the connecting rod 12, the mounting rod 13 can drive the bristles 14 to rotate, so that the solid impurities attached to the filter screen 15 can be cleaned by the rotating bristles 14.
[0026] The liquid inlet pipe 6 is located on the side of the filter screen 15 close to the shell 1 and is provided with a drain pipe 17. A sealing cover 18 is provided below the drain pipe 17. Anti-slip grooves 19 are provided on the outer side of the sealing cover 18. The drain pipe 17 can store solid impurities cleaned by the bristles 14. The sealing cover 18 can seal the drain pipe 17. The anti-slip grooves 19 effectively increase the friction between the palm and the sealing cover 18, thereby making it easier for the staff to rotate the sealing cover 18.
[0027] The indicator housing 2 is provided with a scale 4 on one side of the flap 3 .
[0028] The liquid inlet pipe 6 is provided with a protective cover 20 outside the motor 10 and the gear 11 . The protective cover 20 can protect the motor 10 and the gear 11 . A heat dissipation window is provided on the protective cover 20 , so as to facilitate heat dissipation of the motor 10 .
[0029] The bottom of the protective cover 20 is fixedly connected via a reinforcing plate 21 . The provision of the reinforcing plate 21 enables the protective cover 20 to be stably connected to the housing 1 .
[0030] The housing 1 is provided with a liquid outlet pipe 22 at the upper end away from the indicator housing 2. The liquid outlet pipe 22 and the liquid inlet pipe 6 are both provided with flanges 5 at the side away from the housing 1. The flange 5 enables the liquid inlet pipe 6, the liquid outlet pipe 22 and the container to be fixedly connected.
[0031] Specifically, in the utility model, the filter screen 15 can filter the liquid entering the shell 1, thereby preventing solid impurities from entering the shell 1 and causing the detection accuracy of the magnetic float 16 to decrease. When the motor 10 is working, the motor 10 drives the gear 11 to rotate, and the gear ring 8 meshing with the gear 11 also rotates under the drive of the gear 11. When the gear ring 8 rotates, the gear 11 drives the movable ring 7 to rotate. Through the transmission of the connecting rod 12, the mounting rod 13 can drive the bristles 14 to rotate, so that the rotating bristles 14 can clean the solid impurities attached to the filter screen 15, the drain pipe 17 can store the solid impurities cleaned by the bristles 14, and at the same time, the solid impurities can be discharged from the inside of the liquid inlet pipe 6 through the drain pipe 17, and the sealing cover 18 can seal the drain pipe 17.
[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A liquid level meter with anti-interference function, comprising a housing (1), characterized in that: An indicator housing (2) is provided on one side of the housing (1), a plurality of equally spaced flaps (3) are provided in the indicator housing (2), a magnetic float (16) is provided in the housing (1), a liquid inlet pipe (6) is provided on one side of the lower end of the housing (1), a movable ring (7) is provided on the side of the liquid inlet pipe (6) close to the housing (1), a gear ring (8) is provided on the outer side of the movable ring (7), a mounting frame (9) is provided on the side of the liquid inlet pipe (6) located on the movable ring (7), and a A motor (10), wherein a gear (11) meshing with a gear ring (8) is provided on the rotating shaft of the motor (10), two symmetrical connecting rods (12) are provided in the movable ring (7) on a side away from the housing (1), the two connecting rods (12) are fixedly connected via a mounting rod (13) on a side away from the movable ring (7), bristles (14) are provided on a side of the mounting rod (13) away from the connecting rod (12), and a filter screen (15) is provided in the liquid inlet pipe (6) on a side of the bristles (14) away from the mounting rod (13).
2. A liquid level meter with anti-interference function according to claim 1, characterized in that: The liquid inlet pipe (6) is provided with a sewage discharge pipe (17) on the side of the filter screen (15) close to the housing (1), a sealing cover (18) is provided below the sewage discharge pipe (17), and an anti-slip pattern (19) is provided on the outer side of the sealing cover (18).
3. The liquid level meter with anti-interference function according to claim 1, characterized in that: The indicator housing (2) is provided with a scale (4) on one side of the flap (3).
4. The liquid level meter with anti-interference function according to claim 1, characterized in that: The liquid inlet pipe (6) is located outside the motor (10) and the gear (11) and is provided with a protective cover (20).
5. The liquid level meter with anti-interference function according to claim 4, characterized in that: The bottom of the protective cover (20) is fixedly connected via a reinforcing plate (21).
6. The liquid level meter with anti-interference function according to claim 1, characterized in that: A liquid outlet pipe (22) is provided at the upper end of the housing (1) on a side away from the indicator shell (2), and a flange (5) is provided at the side of the liquid outlet pipe (22) and the liquid inlet pipe (6) on a side away from the housing (1).