Connecting rod floating ball liquid level switch

Abstract

The utility model discloses a connecting rod floating ball liquid level switch which comprises a wire box and a flange plate, the flange plate is installed at the lower end of the wire box, a guide rod is installed at the lower end of the flange plate, a floating ball is connected to the outer surface of the guide rod in a sliding mode, and two limiting blocks are installed on the outer surface of the guide rod. A lifting ring is arranged on the outer surface of the guide rod, connecting blocks are symmetrically installed on the side face of the lifting ring, a rotating shaft is arranged at the upper end of the lifting ring, a first gear is installed at one end of the rotating shaft, a second gear is installed at the other end of the rotating shaft, and a straight rack is installed at the lower end of the flange plate. The lifting ring drives the brush to lift on the outer surface of the guide rod in a reciprocating mode, the brush cleans the guide rod and the floating ball, meanwhile, the second gear and the spur rack are meshed to drive the first gear to rotate, the first gear and the annular rack are meshed to drive the matching ring to rotate, the brush cleans the surfaces of the guide rod and the floating ball, and the labor intensity of workers is reduced.

Description

Technical Field

[0001] The utility model relates to the field of connecting rod float level switches, and particularly relates to a connecting rod float level switch. Background Art

[0002] The connecting rod float level switch is adapted to control the operation of a pump to maintain the liquid level; control the automatic loading and unloading of a tank; control the liquid level or supply signal, such as a fuel tank, an automatic cleaning system, a hydraulic tank, a low-pressure boiler, and a sewage treatment system. After the connecting rod float level switch works in sewage for a long time, a lot of stains will adhere to the float and the guide rod. If not cleaned in time, it will affect the lifting of the float, and it is necessary for the staff to clean it in time. When cleaning, it needs to be disassembled and then cleaned, which is very time-consuming and laborious. Therefore, the technical personnel in this field provide a connecting rod float level switch to solve the problems raised in the above background art. Content of the Utility Model

[0003] To solve the above technical problems, the utility model provides a connecting rod float level switch, which includes a wire box and a flange. The flange is installed at the lower end of the wire box, the guide rod is installed at the lower end of the flange, the float is slidably connected to the outer surface of the guide rod, two limit blocks are installed on the outer surface of the guide rod, and a reciprocating lead screw is arranged at the lower end of the flange;

[0004] The motor is installed at the upper end of the reciprocating lead screw, and the motor is fixedly connected to the upper end of the flange. The limit rod is installed at the lower end of the flange. The lifting ring is arranged on the outer surface of the guide rod. The connecting blocks are symmetrically installed on the side surface of the lifting ring. The rotating shaft is arranged at the upper end of the lifting ring. One end of the rotating shaft is installed with the first gear, the other end of the rotating shaft is installed with the second gear, and the straight rack is installed at the lower end of the flange, and the straight rack meshes with the second gear;

[0005] The inner wall of the lifting ring is provided with an annular groove, the rotating ring is slidably connected to the inside of the annular groove, the matching ring is installed on the inner wall of the rotating ring, the brush is installed on the inner wall of the matching ring, and the brush contacts the guide rod. The annular rack is installed at the upper end of the matching ring, and the annular rack meshes with the first gear.

[0006] Preferably: Blocks are installed at the lower ends of both the reciprocating lead screw and the limit rod.

[0007] Preferably: One of the connecting blocks is sleeved on the outer surface of the reciprocating lead screw for reciprocating cooperation, and the other connecting block is sleeved on the outer surface of the limit rod for sliding cooperation.

[0008] Preferably: A support block is sleeved on the outer surface of the rotating shaft, and the support block is fixedly connected to the lifting ring.

[0009] The technical effects and advantages of the utility model:

[0010] In this utility model, the motor drives the reciprocating lead screw to rotate, the reciprocating lead screw drives the lifting ring to reciprocate up and down, the lifting ring drives the brush to reciprocate up and down on the outer surface of the guide rod, so that the brush cleans the guide rod and the floating ball. At the same time, the second gear meshes with the straight rack to drive the first gear to rotate, the first gear meshes with the annular rack to drive the mating ring to rotate, and the mating ring drives the brush to rotate, so that the brush cleans the surfaces of the guide rod and the floating ball, reducing the labor intensity of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 is the front view of this application;

[0012] Figure 2 is the rear view of this application;

[0013] Figure 3 is the schematic structural diagram of the lifting ring of this application;

[0014] In the figure: 1. Electric wire box; 2. Flange; 3. Guide rod; 4. Floating ball; 5. Limit block; 6. Reciprocating lead screw; 7. Motor; 8. Limit rod; 9. Lifting ring; 10. Connecting block; 11. Annular groove; 12. First gear; 13. Rotating shaft; 14. Second gear; 15. Support block; 16. Straight rack; 17. Mating ring; 18. Rotating ring; 19. Annular rack; 20. Brush. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0015] The following further describes the present utility model in detail in conjunction with the drawings and specific embodiments. The embodiments of the present utility model are given for the purpose of illustration and description, and are not exhaustive or limit the present utility model to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present utility model, and enable those of ordinary skill in the art to understand the present utility model and thus design various embodiments with various modifications suitable for specific purposes.

[0016] Please refer to Figures 1 to 3, in this embodiment, a connecting rod float level switch is provided, which includes a wire box 1 and a flange 2. The flange 2 is installed at the lower end of the wire box 1, and a guide rod 3 is installed at the lower end of the flange 2. A float 4 is slidably connected to the outer surface of the guide rod 3. Two limit blocks 5 are installed on the outer surface of the guide rod 3. A reciprocating lead screw 6 is provided at the lower end of the flange 2, and a motor 7 is installed at the upper end of the reciprocating lead screw 6, and the motor 7 is fixedly connected to the upper end of the flange 2. A limit rod 8 is installed at the lower end of the flange 2. Blocks are installed at the lower ends of both the reciprocating lead screw 6 and the limit rod 8. A lifting ring 9 is provided on the outer surface of the guide rod 3. Connecting blocks 10 are symmetrically installed on the side surface of the lifting ring 9. One connecting block 10 is sleeved on the outer surface of the reciprocating lead screw 6 for reciprocating cooperation, and the other connecting block 10 is sleeved on the outer surface of the limit rod 8 for sliding cooperation. A rotating shaft 13 is provided at the upper end of the lifting ring 9. A first gear 12 is installed at one end of the rotating shaft 13, and a second gear 14 is installed at the other end of the rotating shaft 13. A support block 15 is sleeved on the outer surface of the rotating shaft 13, and the support block 15 is fixedly connected to the lifting ring 9. A straight rack 16 is installed at the lower end of the flange 2, and the straight rack 16 meshes with the second gear 14. An annular groove 11 is formed in the inner wall of the lifting ring 9, and a rotating ring 18 is slidably connected inside the annular groove 11. A mating ring 17 is installed on the inner wall of the rotating ring 18. A brush 20 is installed on the inner wall of the mating ring 17, and the brush 20 contacts the guide rod 3. An annular rack 19 is installed at the upper end of the mating ring 17, and the annular rack 19 meshes with the first gear 12.

[0017] The working principle of the present utility model is as follows: The motor 7 drives the reciprocating lead screw 6 to rotate. The reciprocating lead screw 6 drives the connecting block 10 to reciprocate up and down. The connecting block 10 drives the lifting ring 9 to reciprocate up and down. The lifting ring 9 drives the brush 20 to reciprocate up and down on the outer surface of the guide rod 3 through the rotating ring 18 and the mating ring 17, so that the brush 20 cleans the guide rod 3 and the float 4. When the lifting ring 9 reciprocates up and down, it drives the second gear 14 to reciprocate up and down. The second gear 14 meshes with the straight rack 16 to drive the first gear 12 to rotate. The first gear 12 meshes with the annular rack 19 to drive the mating ring 17 to rotate. At the same time, the rotating ring 18 rotates inside the annular groove 11, and the mating ring 17 drives the brush 20 to rotate, so that the brush 20 cleans the surfaces of the guide rod 3 and the float 4, reducing the labor intensity of workers.

[0018] Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art and related fields without making creative efforts shall fall within the protection scope of the present utility model. The structures, devices, and operation methods not specifically described and explained in the present utility model, unless otherwise specified and limited, are implemented according to the conventional means in the art.

Claims

1. A connecting rod float liquid level switch, comprising a wire box (1) and a flange (2), characterized in that: A flange (2) is installed at the lower end of the wire box (1), a guide rod (3) is installed at the lower end of the flange (2), a floating ball (4) is slidably connected to the outer surface of the guide rod (3), two limit blocks (5) are installed on the outer surface of the guide rod (3), and a reciprocating screw rod (6) is arranged at the lower end of the flange (2); A motor (7) is installed at the upper end of the reciprocating screw rod (6), and the motor (7) is fixedly connected to the upper end of the flange (2); a limit rod (8) is installed at the lower end of the flange (2); a lifting ring (9) is arranged on the outer surface of the guide rod (3); a connecting block (10) is symmetrically installed on the side of the lifting ring (9); a rotating shaft (13) is arranged at the upper end of the lifting ring (9); a gear 1 (12) is installed at one end of the rotating shaft (13); a gear 2 (14) is installed at the other end of the rotating shaft (13); a spur rack (16) is installed at the lower end of the flange (2), and the spur rack (16) and the gear 2 (14) are meshed; An annular groove (11) is provided on the inner wall of the lifting ring (9), and the annular groove (11) is slidably connected to a rotating ring (18). A matching ring (17) is installed on the inner wall of the rotating ring (18), and a brush (20) is installed on the inner wall of the matching ring (17), and the brush (20) contacts the guide rod (3). An annular rack (19) is installed on the upper end of the matching ring (17), and the annular rack (19) is meshed with a gear 1 (12).

2. A connecting rod float liquid level switch according to claim 1, characterized in that: Stoppers are installed at the lower ends of the reciprocating screw rod (6) and the limiting rod (8).

3. The connecting rod float liquid level switch according to claim 1, characterized in that: One of the connecting blocks (10) is sleeved on the outer surface of the reciprocating screw rod (6) for reciprocating engagement, and the other connecting block (10) is sleeved on the outer surface of the limiting rod (8) for sliding engagement.

4. The connecting rod float liquid level switch according to claim 1, characterized in that: A support block (15) is sleeved on the outer surface of the rotating shaft (13), and the support block (15) and the lifting ring (9) are fixedly connected.

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