Protective bracket for probe of liquid level meter

By introducing threaded connections and a hinged plate structure into the protective bracket for the level gauge probe, the problem of inconvenient disassembly and assembly in the existing technology is solved, achieving convenient disassembly and assembly as well as stable protection.

CN223663042UActive Publication Date: 2025-12-12HENAN OHM IND TECH CO LTD
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Patent Information

Application Number
CN202520512894.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2025-12-12
Estimated Expiration
2035-03-21

AI Technical Summary

Technical Problem

The existing level gauge probe protection bracket is inconvenient to disassemble and assemble, affecting the ease of use.

Method used

A protective bracket for a level gauge probe was designed. By setting a threaded connection between the fixed plate and the protective tube, setting an opening and closing plate at the bottom of the inner protective tube and the probe, and setting insertion slots and insertion blocks around the inner protective tube and the probe, convenient disassembly and assembly and stability are achieved.

Benefits of technology

It enables convenient disassembly and assembly of the probe and effective protection when not in use, improving ease of use and stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a protective support for a liquidometer probe, and relates to the technical field of protective devices for liquidometer probes, the protective device comprises a detector, a connecting seat is arranged at the bottom of the detector, an adjusting groove is formed in the front end face of the connecting seat, an adjusting rod is installed in the adjusting groove, and the adjusting rod is connected with the detector. The adjusting rod is slidably connected with the interior of the adjusting groove, a connecting rod is arranged at the bottom of the rear end of the adjusting rod, a fixing plate is arranged below the connecting seat, a protective pipe is arranged below the fixing plate, an opening and closing plate is arranged at the bottom of the protective pipe, and the opening and closing plate is rotatably connected with the two sides of the bottom of the protective pipe; a mounting base is arranged on the upper surface of the fixing plate, fixing holes are formed in the periphery of the upper surface of the fixing plate, and the problems that in the prior art, a probe protection support is inconvenient to disassemble and assemble, replacement is complex when needed, and use convenience of the probe protection support is affected are solved.
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Description

Technical Field

[0001] This utility model relates to the technical field of protective devices for liquid level gauge probes, specifically a protective bracket for liquid level gauge probes. Background Technology

[0002] A level gauge probe protection device is a device used to protect level gauge probes from damage caused by the external environment. Level gauge probe protection devices are widely used in various occasions that require accurate measurement, especially in industrial environments such as chemical and petrochemical industries. These environments often contain corrosive gases or liquids that can damage the probes. The design of the protection device can effectively extend the service life of the probe and reduce maintenance costs.

[0003] For example, the Chinese authorized patent with announcement number CN211696590U (a liquid level gauge probe protection device) includes an instrument box, a protective tube, and a liquid level gauge installed inside the instrument box and the protective tube. The top of the protective tube is connected to the center of the bottom of the instrument box. A fixed plate and a sliding plate that docks with the fixed plate are provided on the bottom plate of the instrument box. One end of the sliding plate docks with the fixed plate, and the other end is provided with a spring assembly. Arc-shaped grooves are provided on the inner sidewalls of the fixed plate and the sliding plate. The display of the liquid level gauge is supported above the fixed plate and the sliding plate. Its probe extends through the arc-shaped groove into the protective tube. A fixed frame is provided on one side of the pool top. An adjustment mechanism is provided on the fixed frame. The adjustment mechanism is fixed to the outer wall of the instrument box. By operating the spring assembly, the liquid level gauge is placed into the instrument box and the protective tube. By adjusting the adjustment device, the instrument box is moved to a suitable position before liquid level measurement can be performed. The instrument box and the protective tube can protect the liquid level gauge from damage by the external environment.

[0004] However, the probe protection brackets in the existing technology are inconvenient to disassemble and assemble, making replacement complicated and affecting their ease of use. Therefore, they do not meet the current needs. In response, we propose a protective bracket for a level gauge probe. Utility Model Content

[0005] The purpose of this utility model is to provide a protective bracket for a liquid level gauge probe, so as to solve the problem mentioned in the background art that the probe protective bracket is inconvenient to disassemble and assemble, which makes it complicated when replacement is needed and affects its ease of use.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a protective bracket for a level gauge probe, comprising a detector, a connecting seat at the bottom of the detector, an adjusting groove at the front end of the connecting seat, an adjusting rod installed inside the adjusting groove, the adjusting rod being slidably connected to the inside of the adjusting groove, a connecting rod at the bottom of the rear end of the adjusting rod, a fixing plate below the connecting seat, a protective tube below the fixing plate, an opening and closing plate at the bottom of the protective tube, and the opening and closing plate being rotatably connected to both sides of the bottom of the protective tube.

[0007] Preferably, the upper surface of the fixing plate is provided with a mounting base, and fixing holes are provided around the upper surface of the fixing plate.

[0008] Preferably, the top of the mounting base is provided with a threaded post, which is threadedly fixedly connected to the bottom of the connecting base.

[0009] Preferably, the protective tube has an inner protective tube inside, and a probe is installed inside the inner protective tube. The top of the probe is fixedly connected to the connecting rod.

[0010] Preferably, the inner wall of the inner protective tube is provided with insertion grooves on all four sides, and the probe is provided with insertion blocks on all four sides, and the insertion blocks are slidably connected to the inside of the insertion grooves.

[0011] Preferably, the detector is provided with a display head on its top, and the upper surface of the display head is provided with an observation port.

[0012] Preferably, the front end face of the detector is provided with a connector, and the front end face of the connector is provided with a sealing cap.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. This utility model, by setting a fixing plate and a protective tube, connects the fixing plate to the bottom of the connecting seat via a threaded post on the mounting base, facilitating the assembly and disassembly of the fixing plate and the protective tube to the connecting seat. Simultaneously, an inner protective tube is installed inside the protective tube, and the probe is placed inside the inner protective tube. During use, the adjusting rod is moved down within the adjusting groove, causing the inner protective tube and the probe to open the opening plate at the bottom of the protective tube, allowing for liquid level detection. This solves the problem in existing technologies where the probe protection bracket is inconvenient to assemble and disassemble, making replacement complicated and affecting ease of use.

[0015] 2. By setting insertion slots and insertion blocks on the inner walls of the inner protective tube and the top of the probe, the stability of the probe is ensured when it moves. At the same time, the opening and closing plate at the bottom of the protective tube ensures better protection for the probe when it is not in use. The probe can be extended when it is in operation. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of the level gauge probe of this utility model;

[0017] Figure 2 This is an enlarged schematic diagram of the fixing plate structure of this utility model;

[0018] Figure 3 This is an enlarged internal structure diagram of the fixing plate of this utility model, viewed from below.

[0019] Figure 4 This is an enlarged schematic diagram of the internal structure of the protective tube of this utility model;

[0020] In the diagram: 1. Detector; 2. Display head; 3. Observation port; 4. Connector; 5. Sealing cover; 6. Connecting seat; 7. Adjustment groove; 8. Adjustment rod; 9. Fixing plate; 10. Protective tube; 11. Fixing hole; 12. Mounting seat; 13. Threaded post; 14. Opening and closing plate; 15. Inner protective tube; 16. Probe; 17. Insertion groove; 18. Insertion block. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] Please see Figure 1-4This utility model provides an embodiment of a protective bracket for a level gauge probe, comprising a detector 1, a connecting seat 6 at the bottom of the detector 1, an adjusting groove 7 at the front end of the connecting seat 6, an adjusting rod 8 installed inside the adjusting groove 7, the adjusting rod 8 being slidably connected to the adjusting groove 7, a connecting rod at the bottom of the rear end of the adjusting rod 8, a fixing plate 9 below the connecting seat 6, a protective tube 10 below the fixing plate 9, an opening and closing plate 14 at the bottom of the protective tube 10, the opening and closing plate 14 being rotatably connected to both sides of the bottom of the protective tube 10, and the fixing plate 9 being secured by a mounting plate 9. The threaded post 13 on the mounting base 12 is threadedly connected to the bottom of the connecting base 6, facilitating the assembly and disassembly of the fixing plate 9 and the protective tube 10 from the connecting base 6. The protective tube 10 also contains an inner protective tube 15, with the probe 16 housed inside. During use, the adjusting rod 8 is moved down within the adjusting groove 7, causing the inner protective tube 15 and probe 16 to push open the opening and closing plate 14 at the bottom of the protective tube 10, allowing for liquid level detection. This solves the problem in existing technologies where the probe 16 protective bracket is inconvenient to assemble and disassemble, making replacement complicated and affecting ease of use. By providing insertion grooves 17 and insertion blocks 18 around the inner walls of the inner protective tube 15 and around the top of the probe 16, the stability of the probe 16 during movement is ensured. Simultaneously, the opening and closing plate 14 at the bottom of the protective tube 10 provides better protection for the probe 16 when not in use; the probe 16 can be extended during operation.

[0023] Please see Figures 1-4 The upper surface of the fixing plate 9 is provided with a mounting base 12, and fixing holes 11 are provided around the upper surface of the fixing plate 9. By installing screws inside the fixing holes 11 of the fixing plate 9, the overall stability of its installation is ensured.

[0024] Please see Figures 1-4 The top of the mounting base 12 is provided with a threaded post 13, which is threadedly fixed to the bottom of the connecting base 6. The fixing plate 9 is threadedly connected to the bottom of the connecting base 6 through the threaded post 13 on the mounting base 12, which facilitates the assembly and disassembly of the fixing plate 9 and the protective tube 10 from the connecting base 6. At the same time, an inner protective tube 15 is provided inside the protective tube 10, and the probe 16 is located inside the inner protective tube 15. In use, the adjusting rod 8 is moved down inside the adjusting groove 7 to push open the opening and closing plate 14 at the bottom of the protective tube 10, and then the liquid level can be detected. This solves the problem that the probe 16 protective bracket in the prior art is inconvenient to disassemble and assemble, which makes it complicated when replacement is needed and affects its ease of use. By forming a closed space, the probe 16 is prevented from being directly exposed to the external environment.

[0025] Please see Figures 1-4The protective tube 10 has an inner protective tube 15 inside, and a probe 16 is installed inside the inner protective tube 15. The top of the probe 16 is fixedly connected to the connecting rod. The probe 16 is installed inside the inner protective tube 15. When in use, the adjusting rod 8 is moved down inside the adjusting groove 7 to make the inner protective tube 15 and the probe 16 push open the opening and closing plate 14 at the bottom of the protective tube 10, and then the liquid level can be detected. This solves the problem that the probe 16 protective bracket is inconvenient to disassemble and assemble in the prior art, which makes it complicated when replacement is needed and affects its ease of use. By forming a closed space, the probe 16 is prevented from being directly exposed to the external environment.

[0026] Please see Figures 1-4 The inner wall of the inner protective tube 15 is provided with insertion slots 17, and the probe 16 is provided with insertion blocks 18. The insertion blocks 18 are slidably connected to the insertion slots 17, which ensures the stability of the probe 16 when it moves. At the same time, the opening and closing plate 14 at the bottom of the protective tube 10 ensures that the probe 16 can play a better protective role when it is not in use. The probe 16 can be extended when it is in operation.

[0027] Please see Figures 1-4 The detector 1 is provided with a display head 2 on its top, and an observation port 3 is provided on the upper surface of the display head 2. The front end of the detector 1 is provided with a connector 4, and the front end of the connector 4 is provided with a sealing cover 5.

[0028] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A protective bracket for a liquid level gauge probe, comprising a detector (1), characterized in that: The detector (1) is provided with a connecting seat (6) at the bottom. The front end of the connecting seat (6) is provided with an adjustment groove (7). An adjustment rod (8) is installed inside the adjustment groove (7). The adjustment rod (8) is slidably connected to the adjustment groove (7). A connecting rod is provided at the bottom of the rear end of the adjustment rod (8). A fixing plate (9) is provided below the connecting seat (6). A protective tube (10) is provided below the fixing plate (9). An opening and closing plate (14) is provided at the bottom of the protective tube (10). The opening and closing plate (14) is rotatably connected to both sides of the bottom of the protective tube (10).

2. The protective bracket for a level gauge probe according to claim 1, characterized in that: The upper surface of the fixing plate (9) is provided with a mounting base (12), and fixing holes (11) are provided around the upper surface of the fixing plate (9).

3. The protective bracket for a level gauge probe according to claim 2, characterized in that: The top of the mounting base (12) is provided with a threaded post (13), which is threadedly fixed to the bottom of the connecting base (6).

4. The protective bracket for a level gauge probe according to claim 3, characterized in that: The protective tube (10) is provided with an inner protective tube (15), and a probe (16) is provided inside the inner protective tube (15). The top of the probe (16) is fixedly connected to the connecting rod.

5. A protective bracket for a level gauge probe according to claim 4, characterized in that: The inner wall of the inner tube (15) is provided with insertion grooves (17), and the probe (16) is provided with insertion blocks (18) around its perimeter. The insertion blocks (18) are slidably connected to the insertion grooves (17).

6. A protective bracket for a level gauge probe according to claim 5, characterized in that: The detector (1) is provided with a display head (2) on its top, and the upper surface of the display head (2) is provided with an observation port (3).

7. A protective bracket for a level gauge probe according to claim 6, characterized in that: The front end face of the detector (1) is provided with a connector (4), and the front end face of the connector (4) is provided with a sealing cap (5).

Citation Information

Patent Citations

  • Liquid level meter probe protection device

    CN211696590U