Floating ball type liquid level control switch

By introducing screw transmission and limiter adjustment mechanisms into the float liquid level control switch, the problem of inconvenient disassembly and assembly and position adjustment is solved, and the rapid and flexible metal rod position adjustment and float activity space adjustment is achieved, improving the Work efficiency.

CN222338167UActive Publication Date: 2025-01-10SHANGHAI ZHANPENG ELECTRONICSAL AUTO CONTROL EQUIP
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Patent Information

Application Number
CN202421200981.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-29
Publication Date
2025-01-10
Estimated Expiration
2034-05-29

AI Technical Summary

Technical Problem

The floating ball level control switch is inconvenient during disassembly and position adjustment, resulting in long operation time and affecting working efficiency.

Method used

A floating ball level control switch including bearing plate, metal rod, limiting member, sensor and screw is designed. Through screw transmission and limiting member adjustment, flexible position adjustment of float ball and sensor is achieved, and metal is fixed. The pole is in the reservoir to prevent shaking.

Benefits of technology

The position adjustment of the float level control switch is simplified, which saves operating time, ensures the stability of the metal rod and the flexibility of the float activity space, and improves work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of liquid level switches, and particularly discloses a floating ball type liquid level control switch which comprises a bearing plate and a metal rod, one end of the metal rod is connected with the bearing plate, a junction box is installed on one side of the bearing plate, a connecting plate is installed on one side of the bearing plate, the junction box is arranged between the connecting plate and the bearing plate, and the metal rod is connected with the connecting plate. A first limiting piece and a second limiting piece are connected to the metal rod, floating balls are arranged on one side of the first limiting piece and one side of the second limiting piece, the floating balls are connected with the metal rod in a sliding mode, sensors are arranged on one sides of the floating balls, and the sensors are connected with the metal rod; a first sliding groove is formed in the connecting plate, a guide rod is longitudinally connected into the first sliding groove, a sliding plate is arranged in the first sliding groove and slidably connected with the guide rod, a second sliding groove is formed in one side of the sliding plate, a lead screw is connected into the second sliding groove, and a clamping plate is connected to the lead screw.
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Description

Technical Field

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

[0002] A float type liquid level control switch is a switch device that uses the principle of buoyancy to control the liquid level. A liquid level switch, also known as a water level switch or a liquid level sensor, is, as the name implies, a switch used to control the liquid level. It includes contact type liquid level switches and non-contact type liquid level switches, of which contact type float type liquid level switches are the most widely used. The float liquid level is divided into stainless steel float liquid level, connecting rod float liquid level and cable float liquid level. The float type liquid level control switch is a very practical liquid level control solution in both industrial and civil fields because of its simple structure, quick response and wide applicability.

[0003] At present, since the metal rod will float unsteadily in the water tank and cannot be stabilized inside the water tank, people usually connect the float type liquid level control switch to the water tank. However, it takes a lot of time to disassemble and assemble the float type liquid level control switch, and it is not convenient to flexibly change the position of the float type liquid level control switch on the water tank, which brings inconvenience to people's work. Summary of the invention

[0004] The purpose of the utility model is to provide a float type liquid level control switch to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a float type liquid level control switch, comprising a carrier plate and a metal rod, one end of the metal rod is connected to the carrier plate, a junction box is installed on the side of the carrier plate away from the metal rod, a connecting plate is installed on one side of the carrier plate, the junction box is arranged between the connecting plate and the carrier plate, a first limiter and a second limiter are connected to the metal rod, a float is arranged on the side of the first limiter and the second limiter close to the carrier plate, the float is slidably connected to the metal rod, a sensor is arranged on the side of the float close to the carrier plate, and the sensor is connected to the metal rod; a first slide groove is provided on the connecting plate, a guide rod is longitudinally connected to the inside of the first slide groove, a sliding plate is provided in the first slide groove, the sliding plate is slidably connected to the guide rod, a second slide groove is provided on one side of the sliding plate, a screw rod is connected to the inside of the second slide groove, and a clamp is connected to the screw rod.

[0006] Preferably, the metal rod is processed with threads, and the second limiting member is processed with thread grooves, so as to facilitate adjustment of the position of the second limiting member on the metal rod.

[0007] Preferably, a sleeve is installed inside the sensor, the inner wall of the sleeve is processed with threads, and the sleeve is sleeved on the metal rod; it is convenient for people to adjust the distance between the sensor and the float.

[0008] Preferably, an elastic component is provided inside the first slide groove, and two ends of the elastic component are respectively connected to the inner wall of the first slide groove and the sliding plate, so as to facilitate automatic resetting of the sliding plate.

[0009] Preferably, the screw rod extends to the outside of the sliding plate, one end of the screw rod is connected to a rotating member, and the rotating member is processed with anti-skid patterns, so that people can easily rotate the screw rod to prevent slipping.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: by arranging a clamping plate on one side of the junction box, the entire float type liquid level control switch can be fixed on one side of the water reservoir, and the clamping plate is moved closer to the connecting plate by the principle of screw transmission, so that people can quickly and stably fix the metal rod in the water reservoir to prevent the metal rod from shaking inside the water reservoir. The operation is simple, which saves unnecessary operation time when people change the position of the metal rod, and the position of the metal rod can be quickly changed. The position of the second limit piece and the sensor can be adjusted on the metal rod, which is convenient for people to adjust the activity space of the float, thereby bringing convenience to people's work. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 It is a schematic diagram of the overall structure of the connecting plate of the utility model;

[0013] Figure 3 This is a schematic diagram of the bottom structure of the sliding plate of the utility model;

[0014] Figure 4 The figure is a schematic diagram of the overall structure of the sensor of the utility model.

[0015] In the figure: 1. supporting plate; 2. junction box; 3. connecting plate; 4. metal rod; 5. first limit member; 6. second limit member; 7. float; 8. sensor; 9. sliding plate; 10. clamping plate; 11. first slide groove; 12. guide rod; 13. elastic component; 14. second slide groove; 15. screw rod; 16. sleeve. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0018] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] See also Figure 1-4 The utility model provides a technical solution: a float type liquid level control switch, comprising a support plate 1 and a metal rod 4, one end of the metal rod 4 is connected to the support plate 1, a junction box 2 is installed on the side of the support plate 1 away from the metal rod 4, a connecting plate 3 is installed on one side of the support plate 1, the junction box 2 is arranged between the connecting plate 3 and the support plate 1, a first limiting member 5 and a second limiting member 6 are connected to the metal rod 4, a float 7 is arranged on the side of the first limiting member 5 and the second limiting member 6 close to the support plate 1, The float 7 is slidably connected to the metal rod 4, and a sensor 8 is provided on the side of the float 7 close to the support plate 1, and the sensor 8 is connected to the metal rod 4; a first slide groove 11 is provided on the connecting plate 3, and a guide rod 12 is longitudinally connected inside the first slide groove 11, and a sliding plate 9 is provided in the first slide groove 11, and the sliding plate 9 is slidably connected to the guide rod 12, and a second slide groove 14 is provided on one side of the sliding plate 9, and a screw rod 15 is connected inside the second slide groove 14, and a clamping plate 10 is connected to the screw rod 15.

[0020] Furthermore, the metal rod 4 is processed with threads, and the second limiting member 6 is processed with thread grooves, so as to facilitate adjustment of the position of the second limiting member 6 on the metal rod 4 .

[0021] Furthermore, a sleeve 16 is installed inside the sensor 8 , the inner wall of the sleeve 16 is processed with threads, and the sleeve 16 is sleeved on the metal rod 4 ; it is convenient for people to adjust the distance between the sensor 8 and the float 7 .

[0022] Furthermore, an elastic component 13 is disposed inside the first slide groove 11 , and two ends of the elastic component 13 are respectively connected to the inner wall of the first slide groove 11 and the sliding plate 9 , so as to facilitate automatic reset of the sliding plate 9 .

[0023] Furthermore, the screw rod 15 extends to the outside of the sliding plate 9, and one end of the screw rod 15 is connected to a rotating member, and the rotating member is processed with anti-skid patterns, so that people can rotate the screw rod 15 to prevent slipping.

[0024] Working principle: During the actual use of the utility model, people place the metal rod 4 inside the water reservoir, press the sliding plate 9 to make the sliding plate 9 slide on the guide rod 12, and pull the supporting plate 1 upwards, so that the junction box 2 is away from the surface of the water reservoir, and then rotate the screw rod 15 in the sliding plate 9, so that the screw rod 15 drives the clamping plate 10 to move in the direction of the connecting plate 3 inside the second slide groove 14, and the junction box 2 is fixed to the water reservoir through the cooperation of the clamping plate 10 and the connecting plate 3. When it is necessary to adjust the activity space of the float 7, the second limit piece 6 and the sleeve 16 can be rotated to extend or shorten the distance between the second limit piece 6 and the first limit piece 5, and the sleeve 16 will drive the sensor 8 to move together, so that the distance between the sensor 8 and the first limit piece 5 and the second limit piece 6 respectively changes. When the float 7 contacts the sensor 8 with the rising water level, an alarm can be triggered.

[0025] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A float type liquid level control switch, characterized in that: The invention comprises a support plate (1) and a metal rod (4), one end of the metal rod (4) is connected to the support plate (1), a terminal box (2) is installed on a side of the support plate (1) away from the metal rod (4), a connecting plate (3) is installed on one side of the support plate (1), the terminal box (2) is arranged between the connecting plate (3) and the support plate (1), a first limiting member (5) and a second limiting member (6) are connected to the metal rod (4), a floating ball (7) is arranged on a side of the first limiting member (5) and the second limiting member (6) close to the support plate (1), and the floating ball (7) slides with the metal rod (4). The floating ball (7) is dynamically connected to the support plate (1), and a sensor (8) is arranged on one side of the floating ball (7) close to the support plate (1), and the sensor (8) is connected to the metal rod (4); the connecting plate (3) is provided with a first sliding groove (11), and a guide rod (12) is longitudinally connected inside the first sliding groove (11), and a sliding plate (9) is arranged inside the first sliding groove (11), and the sliding plate (9) is slidably connected to the guide rod (12); a second sliding groove (14) is arranged on one side of the sliding plate (9), and a screw rod (15) is connected inside the second sliding groove (14), and a clamping plate (10) is connected to the screw rod (15).

2. A float type liquid level control switch according to claim 1, characterized in that: The metal rod (4) is processed with a thread, and the second limiting member (6) is processed with a thread groove.

3. A float type liquid level control switch according to claim 1, characterized in that: A sleeve (16) is installed inside the sensor (8), the inner wall of the sleeve (16) is processed with threads, and the sleeve (16) is sleeved on the metal rod (4).

4. A float type liquid level control switch according to claim 1, characterized in that: An elastic component (13) is arranged inside the first sliding groove (11), and two ends of the elastic component (13) are respectively connected to the inner wall of the first sliding groove (11) and the sliding plate (9).

5. A float type liquid level control switch according to claim 1, characterized in that: The screw rod (15) extends to the outside of the sliding plate (9), one end of the screw rod (15) is connected to a rotating member, and the rotating member is processed with anti-slip grooves.