CN220206800U - Straight pipe floating ball type water level sensor - Google Patents

Abstract

The utility model relates to the technical field of water level sensors, in particular to a straight pipe floating ball type water level sensor, which comprises: the mounting seat is characterized in that a blind pipe extending downwards is arranged at the center of the bottom of the mounting seat, a fixed sleeve is coaxially arranged outside the blind pipe, a reed pipe is arranged in the blind pipe, and a first magnet is nested outside the fixed sleeve; the shielding pipe is movably sleeved between the blind pipe and the fixed sleeve, and a floater is arranged at the bottom of the shielding pipe. Compared with the existing water level sensor, the structure of the utility model is simple and reliable because the trigger element is only composed of the shielding pipe and the floater, and the structure is small and exquisite and is suitable for various installation environments and requirements of structures.

Description

Straight pipe floating ball type water level sensor

Technical Field

The utility model relates to the technical field of water level sensors, in particular to a straight pipe floating ball type water level sensor.

Background

The reed pipe water level sensor in the market can seal the reed pipe in the straight pipe, and the height of the floating ball sleeved on the straight pipe and provided with a magnet in water is utilized to enable the reed pipe sealed at the corresponding position in the straight pipe to act so as to measure the water level, so that the sensor can be isolated from water and not contacted with the water, and the reed pipe water level sensor has the advantage of long service life, but is unfavorable for the installation of equipment due to the large volume of the sensor.

Disclosure of Invention

Compared with the existing water level sensor, the straight pipe floating ball type water level sensor has the advantages that the trigger element is only composed of the shielding pipe and the floats, so that the straight pipe floating ball type water level sensor is simple and reliable in structure, small in size and suitable for various installation environments and requirements of structures.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a straight tube floating ball type water level sensor, comprising: the mounting seat is characterized in that a blind pipe extending downwards is arranged at the center of the bottom of the mounting seat, a fixed sleeve is coaxially arranged outside the blind pipe, a reed pipe is arranged in the blind pipe, and a first magnet is nested outside the fixed sleeve; the shielding pipe is movably sleeved between the blind pipe and the fixed sleeve, and a floater is arranged at the bottom of the shielding pipe.

Preferably, an upper clamping ring is arranged at the outer edge of the top end of the shielding pipe; the inner wall of the bottom end of the fixed sleeve is provided with a lower clamping ring matched with the upper clamping ring.

Preferably, a fixing groove is formed in the circumferential direction of the outer side wall of the fixing sleeve, and the first magnet is fixedly arranged in the fixing groove.

Preferably, a sealing cover is in threaded fit with the center of the top of the mounting seat, and a wire hole penetrating through the center of the sealing cover is formed.

Preferably, the outer side wall of the mounting seat is provided with mounting threads.

Preferably, a second magnet is arranged at the top end of the shielding tube, and the polarity of the second magnet is opposite to that of the first magnet.

Preferably, the shielding pipe is made of an iron pipe.

Preferably, the shielding pipe is made of aluminum pipe.

The utility model has the beneficial effects that: the installation seat is fixed at the top of the water tank, the float is downward, and when the liquid level floats on the float, the shielding pipe ascends and influences the relation between the magnetic field of the first magnet and the reed pipe, so that the operating state of the reed pipe is achieved. For example, when the shielding tube is realized by an iron tube or an aluminum tube, the effect of the first magnet on the reed tube is reduced by the material property of the shielding tube, so that the effect of liquid level sensing is achieved. The upper clamping ring is matched with the lower clamping ring to limit the movement range of the top of the shielding pipe in the fixed sleeve, so that the normal operation of the structure is ensured, the fixed groove is used for accommodating the first magnet, and the first magnet can be mutually attracted in the fixed sleeve by the two semicircular annular structures, and the position of the first magnet is consistent with the height of the reed pipe. In addition, the position height of the reed switch can be set and adjusted during assembly, the final position of the reed switch is fixed through a potting mode, and the sealing cover is used for fixedly protecting the wire harness of the reed switch and avoiding being pulled and damaged by external force.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an application mode of the utility model;

fig. 2 is a schematic diagram of a three-part structure according to an embodiment of the present utility model.

In the figure: 1. a mounting base; 2. a blind pipe; 3. a reed pipe; 4. a fixed sleeve; 5. a first magnet; 6. a shielding tube; 7. a float; 8. a clamping ring is arranged; 9. a lower clamping ring; 10. a fixing groove; 11. a cover; 12. a wire hole; 13. and a second magnet.

Detailed Description

The following description of the embodiments of the present utility model will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

According to the figures 1 and 2, a straight tube floating ball type water level sensor comprises: the mounting seat 1, the bottom center of the mounting seat 1 is provided with a blind pipe 2 extending downwards and a fixed sleeve 4 coaxially arranged outside the blind pipe 2, a reed pipe 3 is arranged in the blind pipe 2, and a first magnet 5 is nested outside the fixed sleeve 4; the shielding pipe 6 is movably sleeved between the blind pipe 2 and the fixed sleeve 4, and a float 7 is arranged at the bottom of the shielding pipe 6. And the outer side wall of the mounting seat 1 is provided with mounting threads.

By this arrangement, the mount 1 is fixed to the top of the water tank, the float 7 is made to face downward, and when the liquid surface floats the float 7, the shield tube 6 rises, and the relationship between the magnetic field of the first magnet 5 and the reed switch 3 is affected, and the operating state of the reed switch 3 is further made. Compared with the existing water level sensor, the structure is simple and reliable because the trigger element is only composed of the shielding pipe 6 and the floater 7, the structure is small and exquisite and is suitable for various installation environments and requirements of the structure, and the dirt resistance is strong because the structure does not have the direct contact and matching component relation.

Wherein the shielding tube 6 may be realized by providing a second magnet 13 at the top end, and the second magnet 13 is opposite to the first magnet 5 in polarity, or the shielding tube 6 is made of an iron tube or an aluminum tube. The second magnet 13 of the shielding tube 6 and the first magnet 5 counteract each other, so that the reed pipe 3 is reset, and when the shielding tube 6 is made of an iron tube or an aluminum tube, the effect of the first magnet 5 on the reed pipe 3 is reduced through the material property of the shielding tube, so that the effect of liquid level sensing is achieved.

An upper clamping ring 8 is arranged on the outer edge of the top end of the shielding pipe 6; the inner wall of the bottom end of the fixed sleeve 4 is provided with a lower clamping ring 9 matched with the upper clamping ring 8. The outer side wall of the fixed sleeve 4 is circumferentially provided with a fixed groove 10, and the first magnet 5 is fixedly arranged in the fixed groove 10. The top center of the mounting seat 1 is in threaded fit with a sealing cover 11, and a wire hole 12 penetrating through the center of the sealing cover 11 is formed.

In the above arrangement, the upper collar 8 cooperates with the lower collar 9 to define the range of motion of the top of the shielding tube 6 within the fixed sleeve 4, so as to ensure the normal operation of the structure, while the fixed slot 10 is used to accommodate the first magnet 5, and the first magnet 5 can be mutually attracted within the fixed sleeve 4 by two semicircular ring structures, and its position is consistent with the height of the reed switch 3.

In addition, the position height of the reed switch 3 can be set and adjusted during assembly, the final position of the reed switch is fixed through a potting mode, and the sealing cover 11 is used for fixedly protecting the wire harness of the reed switch 3 and avoiding being pulled and damaged by external force.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (8)

1. A straight tube floating ball type water level sensor, comprising:

the mounting seat (1), a blind pipe (2) extending downwards is arranged in the center of the bottom of the mounting seat (1), and a fixed sleeve (4) coaxially arranged outside the blind pipe (2), a reed pipe (3) is arranged in the blind pipe (2), and a first magnet (5) is nested outside the fixed sleeve (4);

the shielding pipe (6), shielding pipe (6) activity cover is located between blind pipe (2) with fixed cover (4), and shielding pipe (6) bottom is equipped with float (7).

2. The straight tube floating ball type water level sensor according to claim 1, wherein: an upper clamping ring (8) is arranged at the outer edge of the top end of the shielding pipe (6); the inner wall of the bottom end of the fixed sleeve (4) is provided with a lower clamping ring (9) matched with the upper clamping ring (8).

3. The straight tube floating ball type water level sensor according to claim 2, wherein: the fixing sleeve (4) is characterized in that a fixing groove (10) is formed in the circumferential direction of the outer side wall of the fixing sleeve, and the first magnet (5) is fixedly arranged in the fixing groove (10).

4. A straight tube floating ball type water level sensor according to claim 3, wherein: the mounting seat is characterized in that a sealing cover (11) is in threaded fit with the center of the top of the mounting seat (1), and a through wire hole (12) is formed in the center of the sealing cover (11).

5. The straight tube floating ball type water level sensor according to claim 4, wherein: and the outer side wall of the mounting seat (1) is provided with mounting threads.

6. The straight tube floating ball type water level sensor according to claim 1, wherein: the top end of the shielding tube (6) is provided with a second magnet (13), and the polarity of the second magnet (13) is opposite to that of the first magnet (5).

7. The straight tube floating ball type water level sensor according to claim 1, wherein: the shielding pipe (6) is made of an iron pipe.

8. The straight tube floating ball type water level sensor according to claim 1, wherein: the shielding tube (6) is made of aluminum tube.