Floating ball liquid level switch

Abstract

The utility model belongs to the technical field of floating ball liquid level switches, and particularly relates to a floating ball liquid level switch which comprises a floating ball mechanism, a trigger mechanism and an adjusting mechanism, the floating ball mechanism comprises a floating ball, a communicating pipe, a supporting plate and a conducting strip, the top of the floating ball is connected with the communicating pipe, the supporting plate is arranged on the side wall of the communicating pipe, and the conducting strip is arranged on the top of the supporting plate; the trigger mechanism is arranged on the communicating pipe and comprises a connecting flange, a through hole, a trigger switch and an electrode plate, the through hole connected with the communicating pipe is formed in the center of the connecting flange, the trigger switch is arranged on the side wall of the connecting flange, and the electrode plate connected with the conducting strip is arranged at the bottom of the connecting flange; the balance weight medium is injected to the adjusting mechanism in the floating ball through the communicating pipe, the balance weight medium is weighed through the weighing component, the self weight of the floating ball is adjusted, and the floating ball can float in liquid with different densities.

Description

Technical Field

[0001] The utility model relates to the technical field of float liquid level switches, in particular to a float liquid level switch. Background Art

[0002] Liquid level measurement is widely used in industrial production. The liquid level measurement of many storage tanks mostly uses manual measurement and ordinary liquid level gauges.

[0003] Patent No. CN201921547287.4 discloses a float liquid level switch, whose structure includes a float, a connecting rod, a diaphragm, a pressure ring, a connecting column, a control rod, a spring, a micro switch, a test button, and a connecting flange. It adopts the lever principle, in which the diaphragm acts as a fulcrum to transmit the liquid level changes to the micro switch, output an electrical switch signal, and realize the isolated measurement output of the high-temperature and high-pressure asphalt liquid level. In addition, the sensitivity and stability of the entire measurement system are adjustable.

[0004] When the above-mentioned float liquid level switch is in use, the weight of the float is fixed and it can only float in the same liquid. When used in liquids of different densities, the float will move up and down due to the different buoyancy of the liquids, and the liquid surface cannot be at the same height as the outer wall of the float. For this reason, the present application proposes a float liquid level switch. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] In view of the above problems and / or the problems existing in the existing float liquid level switches, the present utility model is proposed.

[0007] Therefore, the purpose of the utility model is to provide a float liquid level switch, a connecting pipe is arranged on the top of the float, an adjusting mechanism is arranged inside the float, a weight medium is added to the adjusting mechanism inside the float through the connecting pipe, the weight medium is weighed by a weighing component, and the deadweight of the float itself is adjusted so that the float can float in liquids of different densities. During the floating process, the conductive sheet is connected to the electrode sheet to form a passage, so that the trigger switch is triggered to achieve the effect of the liquid level switch.

[0008] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0009] A float liquid level switch, comprising:

[0010] The float mechanism comprises a float, a connecting pipe, a supporting plate and a conductive sheet, wherein the top of the float is connected to the connecting pipe, the supporting plate is arranged on the side wall of the connecting pipe, and the conductive sheet is arranged on the top of the supporting plate;

[0011] A trigger mechanism is arranged on the connecting pipe, and the trigger mechanism includes a connecting flange, a through hole, a trigger switch and an electrode sheet. The center of the connecting flange is provided with a through hole connected to the connecting pipe, the side wall of the connecting flange is provided with a trigger switch, and the bottom of the connecting flange is provided with an electrode sheet connected to the conductive sheet;

[0012] The regulating mechanism is arranged inside the float and comprises a containing box, a supporting block and a weighing component. The containing box is embedded inside the float, a supporting block is arranged between the bottom and the inner wall of the float, and a weighing component is arranged on the supporting block.

[0013] As a preferred solution of the float liquid level switch described in the utility model, the float is a transparent sphere, and the inner cavity of the float is connected to the connecting pipe.

[0014] As a preferred solution of the float liquid level switch described in the utility model, the conductive sheet is made of a bent metal sheet, and an insulating pad is provided between the conductive sheet and the supporting plate.

[0015] As a preferred solution of the float liquid level switch described in the utility model, a longitudinal slide groove is provided inside the through hole, and a sliding block connected to the longitudinal slide groove is provided on the outer wall of the connecting pipe.

[0016] As a preferred solution of the float liquid level switch described in the utility model, the electrode sheet is divided into positive and negative electrodes, which are respectively connected to the positive and negative electrodes of the trigger switch.

[0017] As a preferred solution of the float liquid level switch described in the utility model, the housing box adopts a transparent shell, and the outside of the housing box is provided with scale markings.

[0018] As a preferred solution of the float liquid level switch described in the utility model, wherein: the weighing component adopts a weighing sensor.

[0019] Compared with the prior art: the utility model arranges a connecting pipe on the top of the float, arranges an adjusting mechanism inside the float, adds a weight medium to the adjusting mechanism inside the float through the connecting pipe, weighs the weight medium through a weighing component, adjusts the deadweight of the float itself, and enables the float to float in liquids of different densities. During the floating process, the conductive sheet is connected to the electrode sheet to form a passage, so that the trigger switch is triggered to achieve the effect of a liquid level switch. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solution of the implementation of the utility model, the utility model will be described in detail below in combination with the drawings and detailed implementation. Obviously, the drawings described below are only some implementations of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0021] Figure 1 This is a schematic diagram of the shaft side structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the structure of the float mechanism of the utility model;

[0023] Figure 3 This is a schematic diagram of the trigger mechanism structure of the utility model.

[0024] In the figure: 100 float mechanism, 110 float, 120 connecting pipe, 130 support plate, 140 conductive sheet, 200 trigger mechanism, 210 connecting flange, 220 through hole, 230 trigger switch, 240 electrode sheet, 300 adjustment mechanism, 310 containing box, 320 support block, 330 weighing component. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0026] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0027] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0028] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0029] The utility model provides a float liquid level switch, a connecting pipe is arranged on the top of the float, an adjusting mechanism is arranged inside the float, a weight medium is added to the adjusting mechanism inside the float through the connecting pipe, the weight medium is weighed by a weighing component, and the deadweight of the float itself is adjusted, so that the float can float in liquids of different densities. During the floating process, the conductive sheet is connected to the electrode sheet to form a passage, so that the trigger switch is triggered to achieve the effect of the liquid level switch. Please refer to Figure 1-Figure 3 , including: a float mechanism 100, a trigger mechanism 200 and an adjustment mechanism 300.

[0030] The float mechanism 100 includes a float 110, a connecting pipe 120, a support plate 130 and a conductive sheet 140. The top of the float 110 is connected to the connecting pipe 120. The support plate 130 is disposed on the side wall of the connecting pipe 120. The conductive sheet 140 is disposed on the top of the support plate 130.

[0031] Among them, the float 110 is a transparent sphere, and the inner cavity of the float 110 is connected to the connecting tube 120. The balancing medium can be added to the float 110 through the connecting tube 120. The balancing medium can be water, sand, debris, and any weight. By adding the balancing medium, the weight of the float 110 can be changed, so that the float 110 can adapt to floating in liquids of different densities (if the float 110 is heavy, the bottom will sink, and if the float 110 is light, the bottom will float), which is convenient for adjusting the exposed volume of the float 110 on the liquid surface.

[0032] The trigger mechanism 200 is arranged on the connecting pipe 120, and the trigger mechanism 200 includes a connecting flange 210, a through hole 220, a trigger switch 230 and an electrode sheet 240. The through hole 220 connected to the connecting pipe 120 is provided at the center of the connecting flange 210, the trigger switch 230 is provided on the side wall of the connecting flange 210, and the electrode sheet 240 connected to the conductive sheet 140 is provided at the bottom of the connecting flange 210;

[0033] The electrode sheet 240 is divided into positive and negative electrodes, which are respectively connected to the positive and negative electrodes of the trigger switch 230. The conductive sheet 140 is connected to the electrode sheet 240 to form a circuit. At this time, when an external power source is used, the trigger switch 230 is powered on and triggered.

[0034] The adjustment mechanism 300 is arranged inside the float 110, and includes a containing box 310, a supporting block 320 and a weighing component 330. The containing box 310 is embedded inside the float 110, and the supporting block 320 is arranged between the bottom and the inner wall of the float 110, and the weighing component 330 is arranged on the supporting block 320;

[0035] The weighing component 330 uses a weighing sensor, and the weight medium falls into the containing box 310 , and the weight medium is weighed by the weighing component 330 .

[0036] The conductive sheet 140 is made of a bent metal sheet, and an insulating pad is disposed between the conductive sheet 140 and the support plate 130 to prevent leakage.

[0037] A longitudinal slide groove is provided inside the through hole 220 , and a sliding block connected to the longitudinal slide groove is provided on the outer wall of the connecting pipe 120 , so as to ensure that the connecting pipe 120 can move up and down stably in the through hole 220 and avoid rotation.

[0038] The storage box 310 adopts a transparent shell, and a scale mark is set on the outside of the storage box 310 to facilitate observation of the internal capacity.

[0039] During specific use, a weight medium is added to the float 110 through the connecting tube 120, and the weight medium is weighed through the weighing component 330. The weight of the float 110 is changed by adding the weight medium, so that the float 110 can adapt to floating in liquids of different densities, and it is convenient to adjust the exposed volume of the float 110 on the liquid surface, so that when the float 110 is in different liquids, the liquid surface can be located at the same height of the outer wall of the float 110, the float 110 floats up, and the conductive sheet 140 is connected to the electrode sheet 240 to form a passage for the circuit.

[0040] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A float liquid level switch, characterized in that: include: A float mechanism (100) comprises a float (110), a connecting pipe (120), a support plate (130) and a conductive sheet (140), wherein the top of the float (110) is connected to the connecting pipe (120), the support plate (130) is arranged on the side wall of the connecting pipe (120), and the conductive sheet (140) is arranged on the top of the support plate (130); A trigger mechanism (200) is arranged on the connecting pipe (120), the trigger mechanism (200) comprising a connecting flange (210), a through hole (220), a trigger switch (230) and an electrode sheet (240), the connecting flange (210) having a through hole (220) connected to the connecting pipe (120) at its center, the connecting flange (210) having a trigger switch (230) arranged on a side wall thereof, and the electrode sheet (240) connected to the conductive sheet (140) being arranged at the bottom thereof; The regulating mechanism (300) is arranged inside the floating ball (110), and the regulating mechanism (300) comprises a containing box (310), a supporting block (320) and a weighing component (330). The containing box (310) is embedded inside the floating ball (110), the supporting block (320) is arranged between the bottom and the inner wall of the floating ball (110), and the weighing component (330) is arranged on the supporting block (320).

2. A float liquid level switch according to claim 1, characterized in that: The floating ball (110) is a transparent sphere, and the inner cavity of the floating ball (110) is connected to the connecting pipe (120).

3. A float liquid level switch according to claim 1, characterized in that: The conductive sheet (140) is a bent metal sheet, and an insulating pad is provided between the conductive sheet (140) and the support plate (130).

4. A float liquid level switch according to claim 1, characterized in that: A longitudinal sliding groove is provided inside the through hole (220), and a sliding block connected to the longitudinal sliding groove is provided on the outer wall of the connecting pipe (120).

5. A float liquid level switch according to claim 1, characterized in that: The electrode sheet (240) is divided into positive and negative electrodes, which are respectively connected to the positive and negative electrodes of the trigger switch (230).

6. A float liquid level switch according to claim 1, characterized in that: The containing box (310) adopts a transparent shell, and the outside of the containing box (310) is provided with scale marks.

7. A float liquid level switch according to claim 1, characterized in that: The weighing component (330) adopts a weighing sensor.

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