CN217114224U

CN217114224U - Up-down floating type liquid level float switch

Info

Publication number: CN217114224U
Application number: CN202122229254.9U
Authority: CN
Inventors: 宋宗富
Original assignee: Kaobo Dynamo Electric Taicang Co ltd
Current assignee: Kaobo Dynamo Electric Taicang Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-08-02
Anticipated expiration: 2031-09-15

Abstract

The utility model discloses a floating liquid level float switch from top to bottom belongs to the switch technology field, including connecting rod (1) and terminal box (5), be equipped with a set of floater (2) on connecting rod (1), floater (2) are equipped with upper and lower limit ring (4) of locating last spacing ring (3) and lower on connecting rod (1) of cover respectively, be equipped with annular magnet in floater (2), be close to floater (2) department in connecting rod (1) and be equipped with the tongue tube, connecting rod (1) top links to each other with terminal box (5) screw thread, liquid level float switch is fixed through mounting flange (6) with container top (10) that need control, mounting flange (6) lower surface is equipped with fixed suction cup (7). The upper floating type liquid level float switch and the lower floating type liquid level float switch have good sealing performance with the installation part of the container wall, the sealing performance in the container can be effectively guaranteed, and the detection precision is guaranteed.

Description

Up-down floating type liquid level float switch

Technical Field

The utility model belongs to the technical field of the switch, specifically, relate to a floating liquid level float switch from top to bottom.

Background

The liquid level switch is a liquid level sensor and controls the on-off of a circuit through the liquid level switch. The float ball liquid level switch utilizes the microswitch as contact output, uses magnetic force to operate, has no mechanical connecting piece, is simple and reliable to operate, has higher speed than a common mechanical switch, has long service life, and is widely applied to various industries. The connecting rod floating ball liquid level switch is suitable for controlling the operation of a pump to maintain the liquid level and control the liquid level or supply signals, such as an oil tank, an automatic cleaning system, a hydraulic tank, a low-pressure boiler, a sewage treatment system and the like. The connecting rod floating ball liquid level switch mainly uses one product to realize multi-point control, and has convenient use and simple structure. However, when the liquid level is detected by the upper and lower floating type liquid level float switch, if the liquid level fluctuation can affect the detection precision, at the moment, the liquid level switch and the installation part of the container need to be ensured to have better sealing performance.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides a floating liquid level float switch from top to bottom, this kind of floating liquid level float switch from top to bottom has better leakproofness with container wall installation position, can effectively guarantee the leakproofness in the container, guarantees to detect the precision.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an upper and lower floating liquid level float switch, includes connecting rod and terminal box, be equipped with a set of floater on the connecting rod, the floater is equipped with upper limit ring and lower limit ring on the connecting rod of cover respectively from top to bottom, be equipped with annular magnet in the floater, be equipped with the tongue tube near floater department in the connecting rod, the connecting rod top links to each other with the terminal box screw thread, liquid level float switch passes through mounting flange with the container top that needs control and fixes, the mounting flange lower surface is equipped with fixed suction cup. The fixed sucker can be sucked on the surface of the container, and the contact part of the liquid level float switch and the container is ensured to have better sealing property.

Furthermore, a sealing sleeve is arranged at the joint of the connecting rod, the mounting flange and the top of the container. The sealing performance is enhanced.

Further, the mounting flange and the top of the container are fixed through bolts.

Further, the outer side of the bolt is sleeved with a sealing ring. Guarantee leakproofness and installation steadiness.

Furthermore, the top of the junction box is provided with a cover body, the side face of the junction box is provided with a wire outlet pipe, and a signal wire is arranged at the position of the wire outlet pipe.

Furthermore, a display screen is arranged on the side face of the junction box and electrically connected with the liquid level switch. The liquid level in the container can be displayed on the display screen.

Furthermore, the number of the floating balls is not more than 4.

Has the advantages that: compared with the prior art, the utility model has the advantages of it is following: the utility model provides a pair of floating liquid level float switch from top to bottom, this kind of floating liquid level float switch from top to bottom has better leakproofness with container wall installation position, can effectively guarantee the leakproofness in the container, guarantees to detect the precision.

Drawings

Fig. 1 is a structure diagram of an up-down floating type liquid level float switch of the present invention;

fig. 2 is a sectional view of the top installation of the upper and lower floating type liquid level float switch and the container.

In the figure: the device comprises a connecting rod 1, a floating ball 2, an upper limiting ring 3, a lower limiting ring 4, a junction box 5, a cover body 51, a line outlet pipe 52, a signal line 53, a display screen 54, a mounting flange 6, a fixed suction cup 7, a sealing sleeve 8, a bolt 9, a sealing ring 91 and a container top 10.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The invention will be further elucidated with reference to the drawings and the embodiments.

Examples

As shown in fig. 1, the up-down floating type liquid level float switch comprises a connecting rod 1 and a junction box 5, wherein a group of floating balls 2 are arranged on the connecting rod 1, in order to ensure the detection precision, the number of the floating balls 2 is not more than 4, an upper limiting ring 3 and a lower limiting ring 4 which are sleeved on the connecting rod 1 are respectively arranged at the upper part and the lower part of the floating ball 2, an annular magnet is arranged in the floating ball 2, a reed switch is arranged in the connecting rod 1 and close to the floating ball 2, the top of the connecting rod 1 is connected with a junction box 5 through threads, the liquid level float switch is fixed with a container top 10 to be controlled through a mounting flange 6, as shown in fig. 2, the mounting flange 6 and the vessel top 10 are fixed by bolts 9, a sealing ring 91 is sleeved outside the bolts 9, the lower surface of the mounting flange 6 is provided with a fixed sucker 7, and the joint of the connecting rod 1, the mounting flange 6 and the container top 10 is provided with a sealing sleeve 8.

The top of the junction box 5 is provided with a cover body 51, the side surface of the junction box is provided with a wire outlet pipe 52, a signal wire 53 is arranged at the position of the wire outlet pipe 52, the side surface of the junction box 5 is provided with a display screen 54, and the display screen 54 is electrically connected with the liquid level switch.

When the upper and lower floating type liquid level float switch is used, the liquid level float switch is arranged at the top of a container, the connecting rod 1 and the floating ball 2 are arranged in the container, the mounting flange 6 is fixed with the top 10 of the container through the bolt 9, and the fixed sucker 7 is sucked on the surface of the top 10 of the container.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an upper and lower floating liquid level float switch which characterized in that: including connecting rod (1) and terminal box (5), be equipped with a set of floater (2) on connecting rod (1), floater (2) upper and lower are equipped with upper limit ring (3) and lower limit ring (4) that the cover was located on connecting rod (1) respectively, be equipped with annular magnet in floater (2), be close to floater (2) department in connecting rod (1) and be equipped with the tongue tube, connecting rod (1) top links to each other with terminal box (5) screw thread, liquid level float switch is fixed through mounting flange (6) with container top (10) that need control, mounting flange (6) lower surface is equipped with fixed suction cup (7).

2. The floating ball switch of claim 1, wherein: and a sealing sleeve (8) is arranged at the joint of the connecting rod (1) and the mounting flange (6) and the container top (10).

3. The floating ball switch of claim 1 or 2, wherein: the mounting flange (6) and the container top (10) are fixed through bolts (9).

4. The floating ball switch of claim 3, wherein: and a sealing ring (91) is sleeved on the outer side of the bolt (9).

5. The floating ball switch of claim 1, wherein: the top of the junction box (5) is provided with a cover body (51), the side surface of the junction box is provided with a wire outlet pipe (52), and a signal wire (53) is arranged at the position of the wire outlet pipe (52).

6. The floating ball switch of claim 5, wherein: the side face of the junction box (5) is provided with a display screen (54), and the display screen (54) is electrically connected with the liquid level switch.

7. The floating ball switch of claim 1, wherein: the number of the floating balls (2) is not more than 4.