CN219435763U - Floating ball liquid level switch - Google Patents

Abstract

The utility model belongs to the technical field of liquid level controllers, and particularly relates to a floating ball liquid level switch which comprises a shell and a control assembly, wherein the shell is provided with a mounting hole, and the control assembly is detachably arranged on the shell through the mounting hole; the control assembly comprises a sleeve, wherein a controller is arranged in the sleeve; the micro switch is electrically connected with the controller; a sphere; the ball lifter can freely move in the sleeve; the outgoing line, the outgoing line runs through the sleeve and is connected with control assembly, makes it can convenient maintenance through sleeve detachable installation on the casing, increases life repeatedly usable, and the spheroid sets up inside the sleeve to it is more sensitive with micro-gap switch, thereby guaranteed circuit switch's accuracy.

Description

Floating ball liquid level switch

Technical Field

The utility model belongs to the technical field of liquid level controllers, and particularly relates to a floating ball liquid level switch.

Background

The float liquid level switch is a liquid level controller with simple structure, convenient use, safety and reliability, is a key component of the water level automatic control device, and automatically controls the starting and stopping of the water pump through the water level of the water source.

The prior Chinese patent with the publication number of CN211144846U discloses a novel drop-shaped liquid level floating ball, which comprises a floating ball shell, wherein the floating ball shell comprises a hemisphere and a cone, an outgoing line is arranged at the top end of the cone, two limit switches are arranged in the floating ball shell, the two limit switches are staggered in height, a limit track is arranged between the two limit switches, a metal rolling ball is arranged in the limit track, and the metal rolling ball can move along the limit track and can be respectively contacted with the two limit switches.

However, in the prior art, the use rate is not high, when the angle deviation of the floating ball is smaller than the set switch angle, the circuit is not changed, the service life is short, the circuit cannot be reused, the water leakage phenomenon is easy to occur even the circuit is immersed in water for a long time, and the sealing reliability is poor.

Disclosure of Invention

The utility model aims at solving the technical problems, and provides a floating ball liquid level switch which has the advantages of sensitivity, long service life, repeated use and no damage during long-time work in water.

In view of the above, the utility model provides a float liquid level switch, comprising a shell and a control component, wherein the shell is provided with a mounting hole, and the control component is detachably arranged on the shell through the mounting hole; the control assembly comprises a sleeve, wherein a controller is arranged in the sleeve; the micro switch is electrically connected with the controller; a sphere; the ball lifter can freely move in the sleeve; and the outgoing line penetrates through the sleeve and is connected with the control assembly.

In this technical scheme, the sleeve is installed on the casing, hangs through the lead-out wire hoist, when the water level risees and contacts the casing, floats on the casing surface of water, and the casing angle changes and the sphere cooperation in the sleeve this moment, and the sphere contacts with micro-gap switch, makes the controller begin work to change the state of external circuit, when the water level descends, the sphere returns to initial position, and micro-gap switch is popped out by the spring, changes the state of external circuit again.

Further, the micro switch is movably arranged on the controller, and a spring is arranged between the micro switch and the controller.

Further, the mounting hole is provided with internal threads, the sleeve is provided with external threads, and the sleeve is in threaded connection with the shell.

Furthermore, a fixed heavy hammer is also arranged on the lead-out wire.

Further, the micro switch is magnetic and can attract the sphere to approach.

Further, the shell is composed of an upper shell and a lower shell, wherein the upper shell is a cone, and the lower shell is a hemisphere.

Further, a sealing ring is arranged in the joint of the top of the sleeve and the mounting hole.

Further, the shell is made of polypropylene material.

The beneficial effects of the utility model are as follows: the socket is detachably arranged on the shell, so that the socket can be conveniently maintained, the service life is prolonged, the ball body is repeatedly used, and the ball body is arranged inside the socket, so that the ball body is more sensitive to the micro switch, and the accuracy of the circuit switch is ensured.

Drawings

FIG. 1 is an overall block diagram of the present utility model;

FIG. 2 is a cutaway view of the present utility model;

FIG. 3 is a schematic view of a portion of the structure of the present utility model;

FIG. 4 is a schematic view of a portion of the structure of the present utility model;

the label in the figure is: 50. a housing; 51. a mounting hole; 52. an upper housing; 53. a lower housing; 54. a seal ring; 100. a control assembly; 101. a sleeve; 102. a controller; 103. a spring; 104. a micro-switch; 105. a sphere; 200. a lead-out wire; 300. and a heavy hammer.

Detailed Description

Technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some of the embodiments of the present application, but not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of the protection of the present application.

In the description of the present application, it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. For ease of description, the dimensions of the various features shown in the drawings are not drawn to actual scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

Referring to fig. 1-4, the utility model provides a float level switch, which comprises a shell 50 and a control assembly 100, wherein a mounting hole 51 is formed in the shell 50, and the control assembly 100 is detachably arranged on the shell 50 through the mounting hole 51; wherein the control assembly 100 comprises a sleeve 101, and a controller 102 is arranged in the sleeve 101; the micro switch 104, the micro switch 104 is electrically connected with the controller 102; a sphere 105; the ball lifter can freely move in the sleeve 101; and an outgoing line 200, wherein the outgoing line 200 penetrates through the sleeve 101 and is connected with the control assembly 100.

The sleeve 101 is arranged on the shell 50, and is hung by the outgoing line 200, when the water level rises and contacts the shell 50, the shell 50 floats on the water surface, at the moment, the angle of the shell 50 changes and is matched with the sphere 105 in the sleeve 101, the sphere 105 contacts the micro switch 104, so that the controller 102 starts to work, the state of an external circuit is changed, when the water level drops, the sphere 105 returns to the initial position, the micro switch 104 is popped up by the spring 103, and the state of the external circuit is changed again.

In a preferred embodiment of the utility model: the micro switch 104 is movably arranged on the controller 102, and a spring 103 is arranged between the micro switch 104 and the controller 102.

When the spring 103 is arranged between the controller 102 and the micro switch 104 and the ball 105 leaves the micro switch 104, the micro switch 104 is popped up, so that the circuit is prevented from being in a communication state when the circuit is not required to be switched on when the water level is lowered by a certain height, the effect of timely closing the circuit is achieved, the elastic force value of the spring 103 is positioned between the gravity of the ball 105 and the self gravity of the micro switch 104 and can be compressed by the gravity, the micro switch 104 can be pushed, the liquid level switch is more sensitive through the characteristics, and the micro switch is suitable for frequent starting of a motor.

In a preferred embodiment of the utility model: the mounting hole 51 is provided with an internal thread, the sleeve 101 is provided with an external thread, and the sleeve 101 is in threaded connection with the housing 50.

By means of the threaded connection, the sleeve 101 can be better mounted on the housing 50, and other connection modes can be provided, so that more convenient dismounting is realized.

In a preferred embodiment of the utility model: the fixed weight 300 is also provided on the lead wire 200.

The outgoing line 200 of the float switch passes through the center of the heavy hammer 300, the heavy hammer 300 is pushed to fix the heavy hammer 300 at an ideal position, and when the floating switch is used, the heavy hammer 300 is fastened on a guide line or the inner wall of a container so as to prevent the heavy hammer 300 from sliding on the outgoing line 200 to influence the control of the water level, and when the water level is higher, the outgoing line 200 is pulled to drive the float switch because the dead weight of the heavy hammer 300 cannot float on the water surface, so that the float switch and the outgoing line 200 are prevented from floating on the water surface.

In a preferred embodiment of the utility model: the micro switch 104 has magnetism, can attract the sphere 105 to approach, and the shell 50 is composed of an upper shell 52 and a lower shell 53, wherein the upper shell 52 is a cone, and the lower shell 53 is a hemisphere 105.

The micro switch 104 is provided with magnetism which can better attract the ball 105, the ball 105 is preferably made of a material which can attract magnetism, the upper shell 52 is a cone, the lower shell 53 is a hemisphere 105, once the water surface contacts the lower shell 53, the upper shell 52 is shown to be larger than the lower shell 53 due to dead weight, the whole floating ball can be angularly offset, and the circuit switch in the sleeve 101 is changed.

In a preferred embodiment of the utility model: a sealing ring 54 is arranged in the joint of the top of the sleeve 101 and the mounting hole 51.

Since the float switch contacts water for a long time, the seal ring 54 is installed at the joint of the sleeve 101 and the housing 50 to have a waterproof effect.

In a preferred embodiment of the utility model: the housing 50 is made of polypropylene material, preferably polypropylene, but other waterproof materials may be selected.

The embodiments of the present application and the features of the embodiments may be combined without conflict, and the present application is not limited to the specific embodiments described above, which are merely illustrative, not restrictive, and many forms may be made by those of ordinary skill in the art, without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.

Claims (8)

1. The floating ball liquid level switch is characterized by comprising a shell (50) and a control assembly (100), wherein a mounting hole (51) is formed in the shell (50), and the control assembly (100) is detachably arranged on the shell (50) through the mounting hole (51);

wherein the control assembly (100) comprises, a sleeve (101);

a controller (102) is arranged in the sleeve (101);

the micro switch (104), the micro switch (104) is electrically connected with the controller (102);

a ball (105) which is freely movable in the sleeve (101);

and an outgoing line (200), wherein the outgoing line (200) penetrates through the sleeve (101) and is connected with the control assembly (100).

2. A float level switch according to claim 1, characterized in that the micro switch (104) is movably arranged on the controller (102), and a spring (103) is arranged between the micro switch (104) and the controller (102).

3. A float level switch according to claim 2, characterized in that the mounting hole (51) is provided with an internal thread, the sleeve (101) is provided with an external thread, and the sleeve (101) is in threaded connection with the housing (50).

4. A float level switch according to claim 1, characterized in that said outgoing line (200) is further provided with a fixed weight (300).

5. A float level switch according to claim 3, wherein said microswitch (104) is magnetically attractive to attract the ball (105) to approach.

6. The float level switch of claim 1, wherein said housing (50) is comprised of an upper housing (52) and a lower housing (53), said upper housing (52) being a cone and said lower housing (53) being a hemisphere (105).

7. A float level switch according to claim 1, wherein a sealing ring (54) is arranged in the joint between the top of the sleeve (101) and the mounting hole (51).

8. A float level switch as claimed in claim 6, wherein said housing (50) is made of polypropylene material.