CN219869911U

CN219869911U - Reed pipe liquid level sensor with float with protective cover

Info

Publication number: CN219869911U
Application number: CN202320945257.9U
Authority: CN
Inventors: 黄宗华
Original assignee: Zhuhai Dexinke Electronics Co ltd
Current assignee: Zhuhai Dexinke Electronics Co ltd
Priority date: 2023-04-23
Filing date: 2023-04-23
Publication date: 2023-10-20
Anticipated expiration: 2033-04-23

Abstract

The utility model discloses a reed pipe liquid level sensor with a float protective cover, and aims to provide a reed pipe liquid level sensor with a float protective cover, which is not easy to damage, accurate in detection and not easy to pollute. The utility model comprises a shell and a connecting pipe, wherein the lower end of the shell is provided with a protective cover, the connecting pipe is connected with the lower end of the shell and is accommodated in the protective cover, a reed pipe is sealed in the connecting pipe, a floater is sleeved outside the connecting pipe, a magnet is arranged in the floater, and the floater can move up and down relative to the connecting pipe. The utility model is applied to the technical field of liquid level sensors.

Description

Reed pipe liquid level sensor with float with protective cover

Technical Field

The utility model relates to a liquid level sensor, in particular to a reed pipe liquid level sensor with a float provided with a protective cover.

Background

The reed pipe liquid level sensor is used for detecting the position information of the liquid level, however, as the detection end of the current reed pipe liquid level sensor is exposed in the liquid, the liquid level can possibly generate waves due to external factors (vibration or wind blowing), so that the detection end of the reed pipe liquid level sensor is affected, and the detected signal is inaccurate; in addition, the fact that the detecting end of the reed pipe liquid level sensor is exposed to the liquid has a possible disadvantage that the liquid may be polluted in the working environment, wherein fibrous substances are possible, and if the fibers are wound on the detecting end, the detecting end is likely to fail to work normally. Furthermore, the detection end may be damaged by accidental mechanical impact when exposed directly.

Disclosure of Invention

The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing the reed switch liquid level sensor with the float shield, which is difficult to damage, accurate to detect and difficult to pollute.

The technical scheme adopted by the utility model is as follows: the utility model comprises a shell and a connecting pipe, wherein the lower end of the shell is provided with a protective cover, the connecting pipe is connected with the lower end of the shell and is accommodated in the protective cover, a reed pipe is sealed in the connecting pipe, a floater is sleeved outside the connecting pipe, a magnet is arranged in the floater, and the floater can move up and down relative to the connecting pipe.

Further, the upper end of the connecting pipe is connected with the lower end of the shell in a threaded manner.

Further, an upper limit portion and a lower limit portion are arranged on the connecting pipe, the lower limit portion is located below the upper limit portion, and the floater is located between the upper limit portion and the lower limit portion.

Further, the magnet is a ring magnet.

Further, an observation port is formed in the side face of the protective cover.

Further, a mounting opening is formed in the bottom of the side face of the protective cover, and the mounting opening is communicated with the observation opening.

The beneficial effects of the utility model are as follows:

compared with the defects of the prior art, the utility model has the advantages that the amplitude of the wave of the liquid level can be reduced as much as possible due to the protection effect of the protective cover on the floater, the influence of the wave on the floater is reduced, the floater can reflect the actual height of the liquid level more truly, in addition, the floater can move in the protective cover, the interference of external pollutants and the possible mechanical impact are avoided through the arrangement of the protective cover, the floater can be better protected, the testing accuracy of the floater is ensured, and the utility model has the advantages of difficult damage, accurate detection and difficult pollution.

Drawings

In order to more clearly illustrate the embodiments of the present 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, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;

FIG. 3 is a schematic perspective view of the connecting tube and float of the present utility model;

fig. 4 is a schematic perspective view of a magnet and a reed switch according to the present utility model.

The reference numerals are as follows:

1. a housing; 2. a connecting pipe; 3. a protective cover; 4. a magnet; 5. a reed pipe; 6. a float; 7. an upper limit part; 8. a lower limit part; 9. an observation port; 10. and (5) an installation port.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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.

It should be noted that all directional indicators in the embodiments of the present utility model, such as up, down, left, right, front, rear, clockwise, counterclockwise, etc., are merely used to explain the relative positional relationship between the components, the movement condition, etc. in a specific posture, if the specific posture is changed, the directional indicator is changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the technical solutions should be considered that the combination does not exist and is not within the scope of protection claimed by the present utility model.

As shown in fig. 1 to 4, in the present embodiment, the present utility model includes a housing 1 and a connection pipe 2, a protection cover 3 is provided at a lower end of the housing 1, the connection pipe 2 is connected to a lower end of the housing 1 and is accommodated in the protection cover 3, a reed pipe 5 is sealed inside the connection pipe 2, a float 6 is sleeved outside the connection pipe 2, a magnet 4 is provided inside the float 6, and the float 6 can move up and down relative to the connection pipe 2.

Wherein the shell 1 is a plastic shell; the connecting pipe 2 is a plastic pipe, the lower end of the connecting pipe is closed, and the upper end of the connecting pipe is provided with screw teeth and a flange and is connected to the bottom of the shell 1 through the screw teeth; the floater 6 is a column body; the welded reed switch 5 is built in the connection pipe 2 and is fixed and completely sealed by resin.

Compared with the defects of the prior art, in the utility model, when the liquid level is used, the floater 6 can lift along with the lifting of the liquid level, when the liquid level reaches the expected position, the magnet 4 in the floater 6 can drive the reed pipe 5 in the connecting pipe 2 to be closed/opened, so that the position information of the liquid level is converted into an electric signal, in the process, the influence of the ripple on the floater can be reduced as much as possible due to the protection effect of the protective cover 3 on the floater 6, the floater can reflect the actual height of the liquid level more truly, moreover, the floater 6 can move in the protective cover 3, the interference of external pollutants and possible mechanical impact are avoided through the arrangement of the protective cover 3, the floater 6 can be well protected, and the testing accuracy of the floater is ensured, so that the utility model has the advantages of being not easy to damage, accurate detection and not easy to pollute.

In some embodiments, the upper end of the connection pipe 2 is screwed to the lower end of the housing 1. Specifically, the connection pipe 2 is screwed to the housing 1, so that the connection pipe 2 can be easily assembled and disassembled.

In some embodiments, the connecting pipe 2 is provided with an upper limit part 7 and a lower limit part 8, the lower limit part 8 is located below the upper limit part 7, and the float 6 is located between the upper limit part 7 and the lower limit part 8. Specifically, the upward and downward movement stroke of the float 6 is limited by the upper limit portion 7 and the lower limit portion 8.

In certain embodiments, the magnet 4 is a ring magnet. Specifically, through the setting that magnetite 4 is annular magnetite for magnetite 4 can surround in the outside of tongue tube (5), makes tongue tube (5) can respond very well.

In some embodiments, the side surface of the protective cover 3 is provided with a viewing port 9; the bottom of the side face of the protective cover 3 is provided with a mounting opening 10, and the mounting opening 10 is communicated with the observation opening 9. Specifically, the position of the float 6 can be directly observed through the observation port 9, and the mounting of the components can be facilitated through the mounting port 10.

When the liquid level rises from the bottom to the top, the observation port 9 and the mounting port 10 can discharge the internal air of the shield 3 so that the internal liquid level of the shield 3 is kept in agreement with the outside.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. The utility model provides a reed switch liquid level inductor of float area protection casing which characterized in that: the novel multifunctional portable air conditioner comprises a shell (1) and a connecting pipe (2), wherein a protecting cover (3) is arranged at the lower end of the shell (1), the connecting pipe (2) is connected to the lower end of the shell (1) and is contained in the protecting cover (3), a reed pipe (5) is sealed inside the connecting pipe (2), a floater (6) is sleeved outside the connecting pipe (2), a magnet (4) is arranged inside the floater (6), and the floater (6) can move up and down relative to the connecting pipe (2).

2. The reed pipe liquid level sensor with a protective cover for a float of claim 1, wherein: the upper end of the connecting pipe (2) is connected with the lower end of the shell (1) in a threaded manner.

3. A reed pipe liquid level sensor with a float cover according to claim 1 or 2, wherein: the connecting pipe (2) is provided with an upper limiting part (7) and a lower limiting part (8), the lower limiting part (8) is positioned below the upper limiting part (7), and the floater (6) is positioned between the upper limiting part (7) and the lower limiting part (8).

4. A reed pipe liquid level sensor with a protective cover for a float according to claim 3, wherein: the magnet (4) is an annular magnet.

5. The reed pipe liquid level sensor with a protective cover for a float of claim 1, wherein: an observation port (9) is formed in the side face of the protective cover (3).

6. The reed pipe liquid level sensor with a protective cover for a float of claim 5, wherein: the bottom of the side face of the protective cover (3) is provided with a mounting opening (10), and the mounting opening (10) is communicated with the observation opening (9).