Magnetic flap liquid level meter based on blow-down valve

By using a combination of sealing rings, screws, and springs between flange A and flange B, the sealing problem between the drain valve and the magnetic float level gauge is solved, improving detection accuracy and performance, preventing damage to the sealing rings, and enhancing installation stability.

CN223924169UActive Publication Date: 2026-02-17TAIZHOU DEHUAJIN AUTOMATION INSTR CO LTD
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Patent Information

Application Number
CN202520291235.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-24
Publication Date
2026-02-17
Estimated Expiration
2035-02-24

AI Technical Summary

Technical Problem

The seal between the existing drain valve and the magnetic level gauge is easily damaged, affecting the detection accuracy and performance.

Method used

The system employs a combination structure of a sealing ring, screw, spring, and nut. Flanges A and B are fixed by sliding connection and tightening. The elastic reaction force of the spring is used to prevent damage to the sealing ring and ensure a good sealing effect.

Benefits of technology

The sealing between the magnetic level gauge and the drain valve has been improved, ensuring detection accuracy and performance, preventing damage to the sealing ring due to compression, and enhancing the stability of the installation.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223924169U_ABST
Patent Text Reader

Abstract

The utility model discloses a magnetic flap level meter based on a blow-down valve, which belongs to the technical field of magnetic flap level meters and comprises a wall pipe, a flange A is mounted at the bottom end of the wall pipe, a scale display panel is mounted on the front end face of the wall pipe, the blow-down valve is mounted below the wall pipe, and a flange B is mounted at the top end of the blow-down valve. The sealing rings are sleeved on the flange A and the flange B in a sliding manner, the two groups of sealing rings are butted on the outer walls of the flange A and the flange B, and the screw penetrates through the flange A and the flange B and is tightened and fixed by matching the nut with the spring, so that wall pipes on the blow-down valve and the magnetic turning plate liquid level meter can be mounted and fixed; and the installed sealing ring can seal the installation gap of the flange A and the flange B, and the situation that after the flange A and the flange B are installed, gaskets in the flange A and the flange B are squeezed for a long time to be damaged or damaged, and the overall sealing effect is affected is avoided as much as possible.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of magnetic flap liquid level meter, concretely to a magnetic flap liquid level meter based on blowdown valve. BACKGROUND

[0002] The magnetic flap liquid level meter of the blowdown valve is an instrument for liquid level monitoring, which is widely used in chemical industry, environmental protection, metallurgy and other industries. The magnetic flap liquid level meter is composed of a measuring body containing a float and an external flap. When the liquid level changes, the float moves up and down. The float has a strong magnet inside, which generates a magnetic force, causing the external flap to flip at the corresponding position, thereby indicating the liquid level. Currently, when the blowdown valve is installed in the magnetic flap liquid level meter, the flanges are usually fixed by bolts for fastening. Since the sealing gaskets installed between the flanges are subjected to long-term compression, they are prone to damage or injury, which affects the sealing between the blowdown valve and the magnetic flap liquid level meter, and also affects the detection accuracy of the magnetic flap liquid level meter, thereby reducing the use effect and accuracy of the magnetic flap liquid level meter based on the blowdown valve.

[0003] Therefore, it is necessary to develop a magnetic flap liquid level meter based on a blowdown valve. SUMMARY

[0004] The utility model aims at providing a magnetic flap liquid level meter based on a blowdown valve to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a magnetic flap liquid level meter based on a blowdown valve, comprising a wall pipe, a flange A is installed at the bottom end of the wall pipe, a scale display panel is installed on the front end face of the wall pipe, a blowdown valve is installed below the wall pipe, and a flange B is installed at the top end of the blowdown valve.

[0006] Sealing rings are installed on both sides of the outer walls of the flange B and the flange A.

[0007] Preferably, a connecting pipe is installed at the rear end face of the scale display panel, and a meter head is installed at the top end of the connecting pipe.

[0008] Preferably, a gasket is installed at the top of the flange B, and the gasket is located below the inside of the flange A.

[0009] Preferably, the inner wall of the sealing ring is in sliding connection with the outer walls of the flange A and the flange B, and a sealing ring is arranged inside the sealing ring.

[0010] Preferably, the inside of the sealing ring is in sliding connection with the outer walls of the flange A and the flange B, and mounting holes are formed on both sides of the upper surface and the lower surface of the sealing ring.

[0011] Preferably, the inside of the mounting hole is mounted with a screw rod, and the outer wall of the screw rod is in sliding connection with the inside of the mounting hole.

[0012] Preferably, the outer wall of the screw rod is provided with a spring above and below, and the outer wall of the screw rod is provided with a nut above and below.

[0013] Preferably, the spring is located in the inside of the nut, and the inner wall of the nut is in threaded connection with the outer wall of the screw rod.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] By sleeving the sealing ring on the flange A and the flange B in a sliding mode, and butting the two groups of sealing rings at the outer walls of the flange A and the flange B, according to the screw rod penetrating the flange A and the flange B, the nut is tightened and fixed by the spring, the wall pipe on the blowdown valve and the magnetic flap liquid level meter can be installed and fixed, the sealing ring after installation can seal the installation gap of the flange A and the flange B, the damage of the gasket inside the flange A and the flange B after installation due to long-term extrusion is avoided, the overall sealing effect is affected, the elastic reaction force of the spring is utilized, the nut after tightening is compressed to the limit, the nut is effectively prevented from loosening, the stability after installation is ensured, the sealing effect between the magnetic flap liquid level meter and the blowdown valve is improved, the detection accuracy of the magnetic flap liquid level meter is not affected, and the use effect and the accuracy of the detection data of the magnetic flap liquid level meter based on the blowdown valve are improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A front view cross-sectional view is provided for the utility model;

[0017] Figure 2 A front view is provided for the utility model;

[0018] Figure 3 A front view is provided for the utility model; Figure 1 An A structure enlarged view in the front view is provided for the utility model;

[0019] Figure 4 A partial structure exploded schematic view is provided for the utility model.

[0020] In the drawing: 1, wall pipe; 101, flange A; 2, scale display panel; 201, connecting pipe; 202, meter head; 3, blowdown valve; 301, flange B; 302, gasket; 4, sealing ring; 401, sealing ring; 402, mounting hole; 403, screw rod; 404, spring; 405, nut. DETAILED DESCRIPTION

[0021] Clearly and completely describe the technical scheme in the embodiments of the utility model with the drawings in the embodiments of the utility model below, apparently, the described embodiments only are a part of embodiments of the utility model, and not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0022] The utility model provides the following technical scheme: a magnetic flap liquid level meter based on blowdown valve, please refer to Figures 1-4 , including wall pipe 1, the bottom end of wall pipe 1 is installed with flange A101, wall pipe 1 on the magnetic flap liquid level meter is core part, it is usually a long, upright pipe, its internal space is used for the flow of liquid, ensures that liquid is not hindered when passing, the outside of pipe usually will have some support and fixed device, to guarantee the stability and security of the whole, flange A101 is located at the lower end of wall pipe, is the solid plane annular component, it provides mechanical connection support for wall pipe, ensures fixed with other parts, the front end surface of wall pipe 1 is installed with scale display panel 2, the rear end surface of scale display panel 2 is installed with connecting pipe 201, the top end of connecting pipe 201 is installed with table head 202, scale display panel 2 is engraved with clear scale line or number, is used to indicate the height of liquid, helps operator to read liquid level condition intuitively, usually this panel is designed into corrosion-resistant and pressure-resistant material, to adapt to a variety of working conditions, by connecting connecting pipe 201 at the side of wall pipe 1, according to this pipe, make its liquid flow to other equipment or system, the connecting place needs to ensure good sealing, to prevent leakage, by installing table head 202 at the top end of connecting pipe 201, according to the pressure sensing and intelligent remote transmission effect of table head 202, can real-time monitoring liquid level or other related parameters, and carries out data transmission processing, the lower portion of wall pipe 1 is installed with blowdown valve 3, the top end of blowdown valve 3 is installed with flange B301, the top of flange B301 is installed with gasket 302, gasket 302 is located below the inside of flange A101, blowdown valve 3 is installed on the flange A101 on wall pipe 1 by flange B301, according to blowdown valve 3 is the important control device in liquid level meter, it is responsible for discharging liquid, usually has manual or automatic operation function, by controlling the opening degree of valve, to accurately adjust liquid level, under normal circumstances, the design of valve also considers the functions such as quick discharge, control convenience and steady and reliable etc.;

[0023] The outer wall of the flange B301 and the outer wall of the flange A101 are both provided with sealing rings 4, the inner wall of the sealing ring 4 is in sliding connection with the outer wall of the flange A101 and the flange B301, the inside of the sealing ring 4 is provided with a sealing ring 401, the inside of the sealing ring 401 is in sliding connection with the outer wall of the flange A101 and the flange B301, the upper surface and the lower surface of the sealing ring 4 are both provided with mounting holes 402, the inside of the mounting hole 402 is provided with a screw rod 403, the outer wall of the screw rod 403 is in sliding connection with the inside of the mounting hole 402, the upper surface and the lower surface of the outer wall of the screw rod 403 are both provided with springs 404, the upper surface and the lower surface of the outer wall of the screw rod 403 are both provided with nuts 405, the spring 404 is located in the inside of the nut 405, the inner wall of the nut 405 is in threaded connection with the outer wall of the screw rod 403, the sealing ring 401 is sleeved on the flange A101 and the flange B301 in a sliding mode, and the two groups of sealing rings 4 are butt jointed at the outer wall of the flange A101 and the flange B301, according to the screw rod 403 penetrating through the flange A101 and the flange B301, the nut 405 is tightened and fixed in cooperation with the spring 404, the installation and fixing treatment can be carried out on the blowdown valve 3 and the wall pipe 1 on the magnetic flap liquid level meter, and the sealing treatment can be carried out on the installation gap of the flange A101 and the flange B301 by the sealing ring 401 after installation, so as to avoid the gasket 302 in the inside of the flange A101 and the flange B301 being damaged or injured due to long-term extrusion after installation, and affecting the overall sealing effect.

[0024] Working principle: when using the utility model, the wall pipe 1 on the magnetic flap liquid level meter is the core part, which is usually a long, upright circular pipe, the internal space of which is used for the flow of liquid to ensure that the liquid is not hindered when passing through, and the outside of the pipe is usually provided with some supporting and fixing devices to ensure the stability and safety of the whole, the flange A101 is located at the lower end of the wall pipe and is a thick planar annular part, which provides mechanical connection support for the wall pipe and ensures fixation with other parts, the scale display panel 2 is marked with clear scale lines or numbers to indicate the height of the liquid, helping the operator to intuitively read the liquid level condition, usually this panel is designed to be made of corrosion-resistant and pressure-resistant materials to adapt to various working conditions, the connecting pipe 201 is connected to one side of the wall pipe 1, and according to the pipe, the liquid can flow to other equipment or systems, and the connection needs to be sealed well to prevent leakage, the gauge head 202 is installed at the top end of the connecting pipe 201, according to the pressure sensing and intelligent remote transmission effect of the gauge head 202, the liquid level height or other related parameters can be monitored in real time, and data transmission processing is carried out, the blowdown valve 3 is installed on the flange A101 on the wall pipe 1 by the flange B301, according to the blowdown valve 3, which is an important control device in the liquid level meter, it is responsible for discharging the liquid, usually with manual or automatic operation function, by controlling the opening degree of the valve, the liquid level is accurately adjusted, in general, the design of the valve also considers the functions of rapid discharge, convenient control and stable and reliable, the sealing ring 401 is sleeved on the flange A101 and the flange B301 in a sliding manner, and the two groups of sealing rings 4 are butt jointed at the outer walls of the flange A101 and the flange B301, according to the screw rod 403 penetrating the flange A101 and the flange B301, the nut 405 is matched with the spring 404 to be tightened and fixed, the blowdown valve 3 and the wall pipe 1 on the magnetic flap liquid level meter can be installed and fixed, and the sealing ring 401 after installation can seal the installation gap of the flange A101 and the flange B301, so as to avoid the damage or injury of the gasket 302 inside the flange A101 and the flange B301 after installation due to long-term extrusion, which affects the overall sealing effect, at the same time, the spring 404 has the effect of elastic reaction force, the nut 405 after tightening, to the limit of spring compression, can effectively prevent the nut 405 from loosening, and ensure the stability after installation, according to improve the sealing effect between the magnetic flap liquid level meter and the blowdown valve 3, effectively guarantee the detection accuracy of the magnetic flap liquid level meter, also effectively improve the use effect and detection data accuracy of the magnetic flap liquid level meter based on the blowdown valve.

[0025] Although the utility model has been described above with reference to the embodiments, various modifications can be made to it and equivalent components can be substituted for the components thereof without departing from the scope of the utility model. In particular, the features of the embodiments disclosed by the utility model can be combined with each other in any manner as long as there is no structural conflict, and the combinations of the features are not exhaustively described in the specification only for the purpose of omitting the length and saving the resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A magnetic float level gauge based on a drain valve, comprising a wall tube (1), wherein a flange A (101) is installed at the bottom end of the wall tube (1), characterized in that: A scale display panel (2) is installed on the front end face of the wall pipe (1), a drain valve (3) is installed below the wall pipe (1), and a flange B (301) is installed on the top of the drain valve (3). Sealing rings (4) are installed on both sides of the outer walls of flange B (301) and flange A (101). The inner wall of the sealing ring (4) is slidably connected to the outer walls of flange A (101) and flange B (301). A sealing ring (401) is provided inside the sealing ring (4). The inside of the sealing ring (401) is slidably connected to the outer walls of flange A (101) and flange B (301). Mounting holes (402) are provided on both sides of the upper and lower surfaces of the sealing ring (4). A screw (403) is installed inside the mounting hole (402). The outer wall of the screw (403) is slidably connected to the inside of the mounting hole (402). A spring (404) is provided above and below the outer wall of the screw (403). A nut (405) is provided above and below the outer wall of the screw (403). The spring (404) is located inside the nut (405). The inner wall of the nut (405) is threadedly connected to the outer wall of the screw (403).

2. The magnetic float level gauge based on a drain valve according to claim 1, characterized in that: A connecting tube (201) is installed on the rear end face of the scale display panel (2), and a meter head (202) is installed on the top end of the connecting tube (201).

3. The magnetic float level gauge based on a drain valve according to claim 1, characterized in that: A gasket (302) is installed on the top of the flange B (301), and the gasket (302) is located inside the flange A (101) below.