A float level controller
By using bolts and gaskets in the float level controller, combined with lever and float assemblies, the sealing problem at the connection between the housing and flange is solved, achieving better sealing and protection for internal components, and ensuring measurement accuracy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU AERTE INSTR CO LTD
- Filing Date
- 2025-11-03
- Publication Date
- 2026-08-04
AI Technical Summary
The existing float level controller has poor sealing at the connection between the housing and the flange, resulting in insufficient protection.
The use of bolts and sealing gaskets enhances the sealing of the joints, while the design of lever and float assemblies further improves the overall sealing and protection of the structure.
The sealing effect of the float level controller has been improved, enhancing the protection of internal components and ensuring the accuracy of measurement.
Smart Images

Figure CN224595033U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of metering instrument technology, specifically to a float level controller. Background Technology
[0002] The existing Chinese utility model patent with application number 201820577357.X discloses a float level controller; its housing and flange are connected by screws, and the housing and cover are connected by O-rings. However, in the above structure, the single O-ring still has the problem of poor sealing effect at the connection. Utility Model Content
[0003] The purpose of this invention is to address the shortcomings of the aforementioned background technology by providing a float level controller with good sealing performance and high protection for internal components.
[0004] To achieve the above objectives, this utility model provides a float-type liquid level controller, which adopts the following technical solution: A float level controller includes a cylinder, a cover connected to the upper end of the cylinder, a flange connected to the lower end of the cylinder, a switch assembly inside the cylinder, and a bracket connected to the end of the flange away from the cylinder. The bracket is connected to the float assembly via a lever assembly.
[0005] A further improvement of this utility model of a float level controller is that a flat plate is provided on the upper end of the cylinder, the flat plate is fixedly connected to the cover by bolts, and a sealing gasket is provided between the flat plate and the cover.
[0006] A further improvement of this utility model of a float level controller is that the switch assembly includes a positioning plate, the inside of the cylinder is provided with a horizontal part, the positioning plate and the horizontal part are fixedly connected by a second bolt, a second sealing gasket is provided between the positioning plate and the horizontal part, a micro switch is provided on the positioning plate, and a magnet is connected to the front end of the switch handle of the micro switch, with the magnet facing the flange.
[0007] A further improvement of this utility model of a float level controller is that the flange includes a flange body, the upper end face of the flange body is provided with a first groove, the lower end of the cylinder body is inserted into the first groove, the outer side wall of the cylinder body is in contact with the first groove, and a horizontal plate is provided on the lower outer side of the cylinder body, and the horizontal plate is connected to the flange body by a connector.
[0008] A further improvement of this utility model of a float level controller is that an inclined surface is provided at the upper end of the first groove wall, and a first sealing ring is provided at the inclined surface.
[0009] A further improvement of this utility model of a float level controller is that a second groove is provided on the lower end face of the flange body, the bracket is fixedly connected to the flange body, and one end of the lever assembly extends into the second groove.
[0010] Compared with the prior art, the beneficial effects of this utility model are: The cylindrical body of this utility model is connected to the cover and flange at the top and bottom, and is sealed by a sealing structure. At the same time, a horizontal part is added inside the cylindrical body, which is further connected to the positioning plate and equipped with a sealing structure, further enhancing the protection of the switch assembly and thus ensuring the accuracy of the overall structure measurement. Attached Figure Description
[0011] To more clearly illustrate the technical solutions of the embodiments of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them: Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 for Figure 1 A schematic diagram of the cross-sectional structure along direction A; Figure 3 This is a schematic diagram of the flange structure; Figure 4 for Figure 1 Enlarged view of part B.
[0012] In the diagram: 1. Cylinder, 2. Cover, 3. Flange, 4. Flat plate, 5. Sealing gasket, 6. Horizontal section, 7. Positioning plate, 8. Second sealing gasket, 9. Micro switch, 10. Switch handle, 11. Magnet, 12. First groove, 13. Horizontal plate, 14. First sealing ring, 15. Bracket, 16. Lever assembly, 17. Float assembly, 18. Second groove. Detailed Implementation
[0013] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.
[0014] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0015] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views showing the device structure may be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, in actual manufacturing, the three-dimensional spatial dimensions of length, width, and depth should be included.
[0016] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.
[0017] like Figure 1-3 As shown, a float level controller includes a cylinder 1, a cover 2 connected to the upper end of the cylinder, a flange 3 connected to the lower end of the cylinder, a switch assembly inside the cylinder, a bracket 15 connected to the end of the flange away from the cylinder, and a float assembly 17 connected to the bracket via a lever assembly 16.
[0018] Specifically, a flat plate 4 is provided on the upper end of the cylinder, and the flat plate is fixedly connected to the cover by bolts. A sealing gasket 5 is also provided between the flat plate and the cover.
[0019] The switch assembly includes a positioning plate 7, a horizontal section 6 inside the cylinder, which is integrally formed with the cylinder. The positioning plate and the horizontal section are fixedly connected by a second bolt. A second sealing gasket 8 is provided between the positioning plate and the horizontal section. The side end of the positioning plate can abut against the cylinder. A micro switch 9 is provided on the positioning plate. A magnet 11 is connected to the front end of the micro switch handle, and the magnet faces the flange 3.
[0020] The flange includes a flange body, the upper end face of which is provided with a first groove 12, the lower end of the cylinder body is inserted into the first groove, the outer side wall of the cylinder body is in contact with the first groove, and a horizontal plate 13 is provided on the lower outer side of the cylinder body. The horizontal plate and the flange body are connected by a connector.
[0021] The upper end of the first groove wall is provided with an inclined surface, and a first sealing ring 14 is provided at the inclined surface.
[0022] The lower end of the flange body has a second groove 18 facing upwards. The bracket is fixedly connected to the flange body, and one end of the lever assembly extends into the second groove.
[0023] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.
Claims
1. A float-type liquid level controller, characterized in that, It includes a cylinder, with a cover connected to the upper end of the cylinder and a flange connected to the lower end of the cylinder. A switch assembly is provided inside the cylinder, and a bracket is connected to the end of the flange away from the cylinder. A float assembly is connected to the bracket via a lever assembly.
2. The float level controller according to claim 1, characterized in that, The upper end of the cylinder is provided with a flat plate, which is fixedly connected to the cover by bolts. A sealing gasket is also provided between the flat plate and the cover.
3. A float level controller according to claim 2, characterized in that, The switch assembly includes a positioning plate, and a horizontal part is provided inside the cylinder. The positioning plate and the horizontal part are fixedly connected by a second bolt. A second sealing gasket layer is provided between the positioning plate and the horizontal part. A micro switch is provided on the positioning plate. A magnet is connected to the front end of the switch handle of the micro switch, and the magnet faces the flange.
4. A float level controller according to claim 3, characterized in that, The flange includes a flange body, the upper end face of which is provided with a first groove, the lower end of the cylinder body is inserted into the first groove, the outer side wall of the cylinder body is in contact with the first groove, and a horizontal plate is provided on the lower outer side of the cylinder body, which is connected to the flange body by a connector.
5. A float level controller according to claim 4, characterized in that, The upper end of the first groove wall is provided with an inclined surface, and a first sealing ring is provided at the inclined surface.
6. A float level controller according to claim 5, characterized in that, The lower end of the flange body is provided with a second groove facing upwards, the bracket is fixedly connected to the flange body, and one end of the lever assembly extends into the second groove.