Low-water-level double-suction submersible pump

Abstract

The utility model discloses a low-water-level double-suction submersible pump which comprises a submersible pump body and a water inlet formed in the submersible pump body, a filter cover is installed at the water inlet, a supporting mechanism is arranged at the bottom of the submersible pump body, and a cleaning mechanism is arranged in the filter cover. The supporting mechanism comprises a fixed sleeve, a connecting cylinder, a rotating screw rod, a sliding nut, a group of connecting rods I, a group of connecting rods II and a group of supporting plates; and the cleaning mechanism comprises a motor, a reciprocating screw rod, a reciprocating nut, a group of fixed round rods, a group of guide shaft sleeves and a cleaning ring. The submersible pump has the advantages that the submersible pump body is a horizontal submersible pump, water pumping at a low water level is achieved, the submersible pump body can be supported by the group of supporting plates matched with the bottom horizontal supporting legs, the submersible pump body is prevented from shaking and toppling over in the working process, the group of supporting plates can be folded when not used, and the submersible pump is convenient to use. And the cleaning mechanism adopts a reciprocating screw rod to drive a cleaning ring to automatically clean impurities on the filter cover, so that the use is convenient.

Description

Technical Field

[0001] The utility model relates to the field of submersible pumps, in particular to a low-water-level double-suction submersible pump. Background Art

[0002] Submersible pumps are important equipment for pumping water from deep wells. When in use, the whole unit works underwater, extracting groundwater to the ground surface, and is used for domestic water, mine rescue, industrial cooling, farmland irrigation, seawater lifting, ship ballasting, and can also be used for fountain landscapes.

[0003] In the existing patent with the application number CN 202223324345.1, a new type of submersible pump is disclosed. By placing the motor part above the pump part and setting the water inlet section at the lowest end of the submersible pump, the problem that the current submersible pump cannot ensure the pumping efficiency at low water levels when in an upright state is solved. However, it causes the submersible pump to be prone to shaking and tipping during operation, with poor stability, and the filter cover at the water inlet is prone to clogging. During cleaning, it is necessary to manually disassemble the filter cover for cleaning, which affects the use.

[0004] It should be noted that the above content belongs to the technical cognition scope of the inventor and does not necessarily constitute the prior art. Content of the Utility Model

[0005] Aiming at the above defects, the utility model provides a low-water-level double-suction submersible pump to solve the stability problem of low-water-level submersible pumps.

[0006] To achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A low-water-level double-suction submersible pump includes a water inlet opened on the submersible pump body, a filter cover is installed at the water inlet, a support mechanism is arranged at the bottom of the submersible pump body, and a cleaning mechanism is arranged in the filter cover;

[0008] The support mechanism includes a fixed sleeve, a connecting cylinder, a rotating screw, a sliding nut, a group of connecting rods one, a group of connecting rods two, and a group of support plates. The fixed sleeve is fixedly sleeved on the outer surface of the right side of the submersible pump body, the connecting cylinder is installed at the left end of the submersible pump body, the rotating screw is movably installed at the left end of the connecting cylinder, the sliding nut is movably sleeved on the rotating screw, a group of connecting rods one are hinged on both sides of the bottom of the fixed sleeve, a group of connecting rods two are hinged on both sides of the bottom of the sliding nut, and a group of support plates are respectively hinged on the bottoms of the relative group of connecting rods one and connecting rods two.

[0009] Further, the cleaning mechanism includes a motor, a reciprocating lead screw, a reciprocating nut, a set of fixed round rods, a set of guide bushings, and a cleaning ring. The motor is installed at the left end inside the submersible pump body. The reciprocating lead screw is connected to the rotating end of the motor. The reciprocating nut is movably sleeved on the reciprocating lead screw. A set of fixed round rods are installed on the right side of the motor. A set of guide bushings are movably sleeved on the set of fixed round rods. The cleaning ring is sleeved outside the set of guide bushings.

[0010] Further, a number of cleaning bristles are evenly installed on the outer surface of the cleaning ring.

[0011] Further, the reciprocating nut and the set of guide bushings are respectively connected by connecting rods.

[0012] Further, a rotating handle is installed at the left end of the rotating screw rod, and it is movably hinged between a set of connecting rods one and two.

[0013] Further, a water outlet pipe is connected to the right end of the submersible pump body.

[0014] Further, strip-shaped chutes are respectively opened at the upper left sides of a set of support plates. The bottoms of a set of connecting rods one are respectively slidably installed in the strip-shaped chutes through circular sliders, and horizontal support feet are respectively installed at the bottoms of the set of support plates.

[0015] The utility model provides a low-water-level double-suction submersible pump, which has the following beneficial effects. The submersible pump body adopts a horizontal submersible pump to realize pumping water at a low water level. The support mechanism uses a set of support plates and the bottom horizontal support feet to support the submersible pump body, preventing the submersible pump body from shaking and tipping during operation. When not in use, the set of support plates can be retracted, which is convenient for transportation or storage. The cleaning mechanism uses a reciprocating lead screw to drive the cleaning ring to automatically clean the impurities on the filter cover, which is convenient for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of a low-water-level double-suction submersible pump according to the utility model.

[0017] Figure 2 is the utility model Figure 1 partial enlarged view at A in.

[0018] Figure 3 is a side sectional view of the rotating screw rod according to the utility model.

[0019] Figure 4 is a schematic diagram of the cleaning ring according to the utility model.

[0020] Figure 5 is an external view of the filter cover according to the utility model.

[0021] In the figure: 1. Submersible pump body; 2. Water inlet; 3. Filter cover; 4. Fixed sleeve; 5. Connecting cylinder; 6. Rotating screw; 7. Sliding nut; 8. First connecting rod; 9. Second connecting rod; 10. Support plate; 11. Motor; 12. Reciprocating lead screw; 13. Reciprocating nut; 14. Fixed round rod; 15. Guide bushing; 16. Cleaning ring; 17. Cleaning brush; 18. Link; 19. Rotating handle; 20. Outlet pipe; 21. Strip-shaped chute; 22. Circular slider; 23. Horizontal support foot. Detailed implementation mode

[0022] The present utility model will be specifically described below in conjunction with the accompanying drawings, as Figures 1-5 shown: A low-water-level double-suction submersible pump includes a submersible pump body 1 and a water inlet 2 opened on the submersible pump body 1. A filter cover 3 is installed at the water inlet 2. A support mechanism is provided at the bottom of the submersible pump body 1, and a cleaning mechanism is provided inside the filter cover 3; The support mechanism includes a fixed sleeve 4, a connecting cylinder 5, a rotating screw 6, a sliding nut 7, a set of first connecting rods 8, a set of second connecting rods 9 and a set of support plates 10. The fixed sleeve 4 is fixedly sleeved on the outer surface of the right side of the submersible pump body 1. The connecting cylinder 5 is installed at the left end of the submersible pump body 1. The rotating screw 6 is movably installed at the left end of the connecting cylinder 5. The sliding nut 7 is movably sleeved on the rotating screw 6. A set of first connecting rods 8 are hinged on both sides of the bottom of the fixed sleeve 4. A set of second connecting rods 9 are hinged on both sides of the bottom of the sliding nut 7. A set of support plates 10 are respectively hinged at the bottoms of a relative set of first connecting rods 8 and second connecting rods 9; The cleaning mechanism includes a motor 11, a reciprocating lead screw 12, a reciprocating nut 13, a set of fixed round rods 14, a set of guide bushings 15 and a cleaning ring 16. The motor 11 is installed at the left end inside the submersible pump body 1. The reciprocating lead screw 12 is connected to the rotating end of the motor 11. The reciprocating nut 13 is movably sleeved on the reciprocating lead screw 12. A set of fixed round rods 14 are installed on the right side of the motor 11. A set of guide bushings 15 are movably sleeved on a set of fixed round rods 14. The cleaning ring 16 is sleeved outside a set of guide bushings 15; A number of cleaning brushes 17 are evenly installed on the outer surface of the cleaning ring 16; The reciprocating nut 13 and a set of guide bushings 15 are respectively connected by a link 18; A rotating handle 19 is installed at the left end of the rotating screw 6 and is movably hinged between a relative set of first connecting rods 8 and second connecting rods 9; The right end of the submersible pump body 1 is connected to an outlet pipe 20; Strip-shaped chutes 21 are respectively opened on the upper left sides of a set of support plates 10. The bottoms of a set of first connecting rods 8 are respectively slidably installed in the strip-shaped chutes 21 through circular sliders 22, and horizontal support feet 23 are respectively installed at the bottoms of a set of support plates 10.

[0023] Working principle of this implementation scheme: The electrical equipment used by this submersible pump is controlled by an external controller. The submersible pump body adopts a horizontal submersible pump to achieve pumping water at a low water level. The reciprocating screw rod 12 is connected to the impeller shaft through a coupling to achieve power transmission;

[0024] During support: The fixed sleeve 4 is fixedly sleeved on the outer surface of the right side of the submersible pump body 1. The connecting cylinder 5 is installed at the left end of the submersible pump body 1. The rotating screw rod 6 is movably installed at the left end of the connecting cylinder 5. The sliding nut 7 is movably sleeved on the rotating screw rod 6. A group of connecting rods 8 are hinged on both sides of the bottom of the fixed sleeve 4. A group of connecting rods 9 are hinged on both sides of the bottom of the sliding nut 7. A group of support plates 10 are respectively hinged at the bottoms of a group of opposite connecting rods 8 and connecting rods 9. The left end of the rotating screw rod 6 is equipped with a rotating handle 19. A group of opposite connecting rods 8 and connecting rods 9 are movably hinged. A strip-shaped chute 21 is respectively opened on the left sides of the upper ends of a group of support plates 10. The bottoms of a group of connecting rods 8 are respectively slidably installed in the strip-shaped chute 21 through circular sliders 22. And the bottoms of a group of support plates 10 are respectively installed with horizontal support feet 23. As Figure 1 and Figure 3 shown, the user rotates the rotating screw rod 6 clockwise through the rotating handle 19, drives the sliding nut 7 to slide to the right side, and drives a group of support plates 10 to open through a group of connecting rods 8 and a group of connecting rods 9. At the same time, the circular sliders 22 move to the right side in the strip-shaped chute 21. A group of support plates 10 cooperate with the horizontal support feet 23 at the bottom to support the submersible pump body 1. A triangle is formed between a group of support plates 10 and the submersible pump body 1 to prevent the submersible pump body 1 from shaking and tipping during operation. When not in use, a group of support plates 10 can be retracted to facilitate transportation or storage;

[0025] During cleaning: The motor 11 is installed at the left end inside the submersible pump body 1. The reciprocating screw rod 12 is connected to the rotating end of the motor 11. The reciprocating nut 13 is movably sleeved on the reciprocating screw rod 12. A group of fixed round rods 14 are installed on the right side of the motor 11. A group of guide bushings 15 are movably sleeved on a group of fixed round rods 14. The cleaning ring 16 is sleeved outside a group of guide bushings 15. A number of cleaning brushes 17 are evenly installed on the outer surface of the cleaning ring 16. As Figure 2 and Figure 4 shown, during pumping, the motor 11 drives the cleaning ring 16 to reciprocate left and right through the reciprocating screw rod 12. The cleaning ring 16 can automatically clean the impurities on the filter cover 3 through the cleaning brushes 17 on the surface, preventing the filter cover 3 from being blocked.

[0026] The above technical solutions only reflect the preferred technical solutions of the technical solutions of the present utility model. Some changes that may be made to some parts by those skilled in the art of this technology all reflect the principles of the present utility model and are within the protection scope of the present utility model.

Claims

1. A low water level double suction submersible pump, comprising a submersible pump body (1), a water inlet (2) opened on the submersible pump body (1), a filter cover (3) installed at the water inlet (2), characterized in that: A supporting mechanism is provided at the bottom of the submersible pump body (1), and a cleaning mechanism is provided inside the filter cover (3); The support mechanism comprises a fixed sleeve (4), a connecting sleeve (5), a rotating screw (6), a sliding nut (7), a group of connecting rods 1 (8), a group of connecting rods 2 (9) and a group of support plates (10), wherein the fixed sleeve (4) is fixedly sleeved on the right side of the outer surface of the submersible pump body (1), the connecting sleeve (5) is installed on the left end of the submersible pump body (1), the rotating screw (6) is movably installed on the left end of the connecting sleeve (5), the sliding nut (7) is movably sleeved on the rotating screw (6), a group of connecting rods 1 (8) is hinged on both sides of the bottom of the fixed sleeve (4), a group of connecting rods 2 (9) is hinged on both sides of the bottom of the sliding nut (7), and a group of support plates (10) are respectively hinged on the bottoms of the corresponding groups of connecting rods 1 (8) and connecting rods 2 (9).

2. A low water level double suction submersible pump according to claim 1, characterized in that: The cleaning mechanism comprises a motor (11), a reciprocating screw (12), a reciprocating screw nut (13), a group of fixed round rods (14), a group of guide shaft sleeves (15) and a cleaning ring (16), wherein the motor (11) is mounted on the left end of a submersible pump body (1), the reciprocating screw (12) is connected to the rotating end of the motor (11), the reciprocating screw nut (13) is movably sleeved on the reciprocating screw (12), a group of fixed round rods (14) is mounted on the right side of the motor (11), a group of guide shaft sleeves (15) is movably sleeved on the group of fixed round rods (14), and the cleaning ring (16) is sleeved on the outside of the group of guide shaft sleeves (15).

3. A low water level double suction submersible pump according to claim 2, characterized in that: A plurality of cleaning bristles (17) are evenly mounted on the outer surface of the cleaning ring (16).

4. A low water level double suction submersible pump according to claim 2, characterized in that: The reciprocating nut (13) and a set of guide sleeves (15) are connected via connecting rods (18) respectively.

5. A low water level double suction submersible pump according to claim 1, characterized in that: The left end of the rotating screw rod (6) is provided with a rotating handle (19), which is movably hinged relative to a set of connecting rods 1 (8) and 2 (9).

6. A low water level double suction submersible pump according to claim 1, characterized in that: The right end of the submersible pump body (1) is connected to a water outlet pipe (20).

7. A low water level double suction submersible pump according to claim 1, characterized in that: A group of support plates (10) are respectively provided with strip-shaped slide grooves (21) on the left sides of the upper ends thereof, a group of connecting rods (8) are respectively slidably mounted in the strip-shaped slide grooves (21) at the bottoms thereof via circular sliders (22), and a group of support plates (10) are respectively provided with horizontal support feet (23) at the bottoms thereof.

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