Permanent magnet high-flow submersible sewage pump

Abstract

According to the technical scheme, the permanent magnet large-flow submersible sewage pump is characterized in that the permanent magnet large-flow submersible sewage pump comprises a shell, a driving motor is fixedly connected to the interior of the shell, and the bottom end of a driving shaft of the driving motor is fixedly connected with a rotating shaft; the plurality of spiral blades are fixedly connected to the outer circular wall surface of the rotating shaft; the cutting component is arranged in the water inlet shell, after a worker fixes the shell to a proper position, a driving motor is started, at the moment, a driving shaft of the driving motor can drive a plurality of spiral blades to rotate through a rotating shaft, and the cutting component is arranged in the water inlet shell; meanwhile, during rotation, a rotating shaft can drive a plurality of second blades to rotate through a rotating rod, so that when sewage enters the shell, long-fiber substances, plastic bags and the like entering the shell can be cut through cooperative use of first blades and second blades, and the plastic bags and spiral blades are prevented from being wound together; the sewage discharge efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage pump technical field, concretely relates to a permanent magnet large flow submersible sewage pump. BACKGROUND

[0002] Submersible sewage pump is the important equipment of deep well water lifting, when using the whole equipment works under water, the underground water is extracted to the ground, often used in domestic water, mine rescue, industrial cooling, farmland irrigation, seawater lifting, ship load adjustment and other fields.

[0003] For example, the patent number CN114857030A, which proposes a permanent magnet large flow submersible sewage pump, the assembly includes pump body, motor and impeller, the pump body is provided with water inlet and water outlet, the pump body is provided with water inlet cavity, the impeller includes rotating seat and blade, the blade is inclined to the direction close to the motor along the rotating direction of the rotating seat, and the blade abuts the inner wall of the water inlet cavity. The motor drives the impeller to rotate, the impeller pushes the sundries close to the motor in the water inlet cavity, so that the sundries are pushed out of the space close to the motor on one side of the water inlet cavity along the inclined direction of the blade, and are pushed out from the water outlet, reducing the accumulation of sundries in the space close to the motor on one side of the water inlet cavity, thereby reducing the blockage of the impeller or the motor output shaft, making the rotation of the impeller more stable, and thereby facilitating the stable operation of the submersible sewage pump, but the scheme in the actual use process, because the sewage often contains various sundries, such as long fiber material, plastic bag, etc., these sundries enter the sewage pump with the sewage, often winding together with the blade, causing the water pump to block the operation process, in order to solve the above problems, therefore we propose a kind of permanent magnet large flow submersible sewage pump. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies of the prior art, the utility model provides a permanent magnet large flow submersible sewage pump, which solves the problems mentioned in the background art.

[0005] The above technical purpose of the utility model is realized by the following technical scheme:

[0006] A kind of permanent magnet large flow submersible sewage pump, it include: shell, the inside fixed connection of the shell is connected with drive motor, the drive shaft bottom of the drive motor is fixedly connected with rotating shaft;Several spiral blades, several The spiral blade is fixedly connected on the outer circular wall surface of the rotating shaft, the bottom of the shell is provided with water inlet shell, the outer circular wall surface of the shell is provided with water outlet;Cutting part, the cutting part is arranged in the inside of the water inlet shell, for cutting sundries.

[0007] By adopting the above technical scheme, the cutting part can cut the fiber material or plastic bag entering the inside of the shell, and avoid the winding of the spiral blade.

[0008] Preferably, the cutting component comprises: a plurality of first blades, each of which is fixedly connected to the inner circumferential wall surface of the water inlet shell, and the water inlet shell is internally provided with a rotating rod; a plurality of second blades, each of which is fixedly connected to the outer circumferential wall surface of the rotating rod; and a connecting piece provided on the top surface of the rotating rod and used to connect the rotating rod and the rotating shaft.

[0009] By adopting the above technical scheme, the connecting piece can connect the rotating rod and the rotating shaft, so that the rotating shaft can drive the rotating rod to rotate.

[0010] Preferably, the connecting piece comprises: a connecting block fixedly connected to the top surface of the rotating rod, and a magnet fixedly connected to the top surface of the connecting block; and a clamping groove opened in the bottom of the rotating shaft, wherein the connecting block and the clamping groove are movably sleeved together, and the magnet and the rotating shaft are magnetically attracted together.

[0011] By adopting the above technical scheme, when the staff fixes the shell at a suitable position and starts the driving motor, the driving shaft of the driving motor can drive the plurality of spiral blades to rotate through the rotating shaft, and the rotating shaft can drive the plurality of second blades to rotate at the same time, so that when the sewage enters the inside of the shell, the long-fiber materials and plastic bags entering the inside of the shell can be cut by the cooperation of the first blades and the second blades, thereby avoiding the entanglement of the plastic bags and the spiral blades, and improving the sewage discharge efficiency.

[0012] Preferably, the inner circumferential wall surface of the water inlet shell is provided with a rotating groove, and a rotating ring is rotatably installed in the rotating groove, wherein the inner circumferential wall surface of the rotating ring is fixedly connected with a connecting rod, and one end of the connecting rod is fixedly connected with the outer circumferential wall surface of the rotating rod.

[0013] By adopting the above technical scheme, when the plurality of spiral blades rotate in the shell, the sewage can rotate in the shell along the spiral blades, so that the sewage in the shell can flow out through the water outlet.

[0014] Preferably, the bottom of the shell is provided with a connecting groove, the top surface of the water inlet shell is provided with a connecting ring, the connecting ring and the connecting groove are movably sleeved together, the top surface of the connecting groove is provided with a plurality of through holes, the through holes are movably sleeved with bolts, the top surface of the connecting ring is provided with a plurality of mounting grooves, and the bolts and the mounting grooves are threadedly connected together.

[0015] By adopting the technical scheme, the water inlet shell can be fixed at the bottom of the shell through the bolt when the bolt is threadedly connected with the mounting groove.

[0016] Preferably, the bottom surface inside the water inlet shell is fixedly connected with a flow guide block.

[0017] By adopting the technical scheme, the rotating rod can be connected with the rotating shaft when the connecting block is movably sleeved with the clamping groove.

[0018] In summary, the utility model mainly has the following beneficial effects:

[0019] By setting the shell, when the staff fixes the shell at the appropriate position, the driving shaft of the driving motor can drive the plurality of spiral blades to rotate through the rotating shaft, and the rotating shaft can drive the plurality of second blades to rotate through the rotating rod when rotating, so that the long fiber material, plastic bag and the like entering the shell can be cut through the cooperation of the first blade and the second blade when entering the shell, so as to avoid the plastic bag and the spiral blade from being wound together, improve the sewage discharge efficiency, when the plurality of spiral blades rotate in the shell, the sewage can rotate in the shell along the spiral blade, so that the sewage in the shell can flow out through the water outlet, the water inlet shell can be fixed at the bottom of the shell through the bolt when the bolt is threadedly connected with the mounting groove, and the rotating rod can be connected with the rotating shaft when the connecting block is movably sleeved with the clamping groove. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is the three-dimensional structure schematic diagram of the utility model;

[0021] Figure 2 is the shell structure schematic diagram of the utility model;

[0022] Figure 3 is the water inlet shell structure schematic diagram of the utility model;

[0023] Figure 4 is the rotating rod structure schematic diagram of the utility model.

[0024] The drawings show that: 1, the shell; 2, driving motor; 3, rotating shaft; 4, spiral blade; 5, water inlet shell; 6, water outlet; 7, first blade; 8, rotating rod; 9, second blade; 10, connecting block; 11, magnet; 12, clamping groove; 13, rotating groove; 14, rotating ring; 15, connecting rod; 16, connecting groove; 17, connecting ring; 18, through hole; 19, bolt; 20, mounting groove; 21, flow guide block. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] With reference to Figure 1 , Figure 2 and Figure 3 , a permanent-magnet large-flow submersible sewage pump comprises a shell 1, a driving motor 2 is fixedly connected inside the shell 1, a driving shaft bottom end of the driving motor 2 is fixedly connected with a rotating shaft 3, the outer circular wall surface of the rotating shaft 3 is fixedly connected with a plurality of spiral blades 4, the bottom of the shell 1 is provided with a water inlet shell 5, the outer circular wall surface of the shell 1 is provided with a water outlet 6, the inside of the water inlet shell 5 is provided with a cutting component for cutting sundries, the cutting component comprises a plurality of first blades 7, the plurality of first blades 7 are all fixedly connected to the inner circular wall surface of the water inlet shell 5, the inside of the water inlet shell 5 is provided with a rotating rod 8, the outer circular wall surface of the rotating rod 8 is fixedly connected with a plurality of second blades 9, the top surface of the rotating rod 8 is provided with a connecting piece for connecting the rotating rod 8 with the rotating shaft 3, when the plurality of spiral blades 4 rotate inside the shell 1, at this time, sewage can rotate with the spiral blades 4 inside the shell 1, so that the sewage inside the shell 1 can flow out through the water outlet 6.

[0027] With reference to Figure 2 , Figure 3 and Figure 4The connecting piece comprises a connecting block 10 fixedly connected to the top surface of the rotating rod 8, the top surface of the connecting block 10 is fixedly connected with a magnet 11, the bottom of the rotating shaft 3 is provided with a clamping groove 12, the connecting block 10 is movably sleeved with the clamping groove 12, the magnet 11 is magnetically attracted with the rotating shaft 3, the inner circular wall surface of the water inlet shell 5 is provided with a rotating groove 13, the rotating ring 14 is rotatably installed in the rotating groove 13, the inner circular wall surface of the rotating ring 14 is fixedly connected with a connecting rod 15, one end of the connecting rod 15 is fixedly connected with the outer circular wall surface of the rotating rod 8, the bottom of the shell 1 is provided with a connecting groove 16, the top surface of the water inlet shell 5 is provided with a connecting ring 17, the connecting ring 17 is movably sleeved with the connecting groove 16, the top surface of the connecting groove 16 is provided with a plurality of through holes 18, the through holes 18 are movably sleeved with bolts 19, the top surface of the connecting ring 17 is provided with a plurality of mounting grooves 20, the inner circular wall surface of the mounting grooves 20 is provided with threads, the bolts 19 are threadedly connected with the mounting grooves 20, the bottom surface of the water inlet shell 5 is fixedly connected with a flow guide block 21, by arranging the rotating rod 8, when the connecting block 10 is movably sleeved with the clamping groove 12, the rotating rod 8 can be connected with the rotating shaft 3, at this time, the rotating shaft 3 can drive the rotating rod 8 to rotate.

[0028] Working principle: please refer to Figures 1-4 When in use, by arranging the shell 1, when the staff fixes the shell 1 at a suitable position, the driving motor 2 is started, at this time, the driving shaft of the driving motor 2 can drive a plurality of spiral blades 4 to rotate through the rotating shaft 3, and at the same time, the rotating shaft 3 can drive a plurality of second blades 9 to rotate through the rotating rod 8, so that when the sewage enters the shell 1, the long fiber material, plastic bag and the like entering the shell 1 can be cut by the cooperation of the first blade 7 and the second blade 9, so as to avoid that the plastic bag and the spiral blade 4 are wound together, and the sewage discharge efficiency is improved.

[0029] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A permanent magnet large flow submersible sewage pump, characterized in that, Include: The shell (1), the inside fixed connection of the shell (1) is connected with drive motor (2), the drive shaft bottom end of drive motor (2) is fixedly connected with rotating shaft (3); Several spiral blades (4), several spiral blades (4) are fixedly connected on the outer wall surface of rotating shaft (3), the bottom of shell (1) is provided with water inlet shell (5), the outer wall surface of shell (1) is provided with water outlet (6); Cutting part, the cutting part is arranged in the inside of water inlet shell (5), for cutting sundries.

2. The permanent-magnetic high-flow submersible sewage pump according to claim 1, characterized in that The cutting part includes: Several first blades (7), several first blades (7) are fixedly connected on the inner wall surface of water inlet shell (5), the inside of water inlet shell (5) is provided with rotating rod (8); Several second blades (9), several second blades (9) are fixedly connected on the outer wall surface of rotating rod (8); Connecting piece, the connecting piece is arranged on the top surface of rotating rod (8), for connecting rotating rod (8) with rotating shaft (3).

3. The permanent-magnetic high-flow submersible sewage pump according to claim 2, characterized in that The connecting piece includes: Connecting block (10), the connecting block (10) is fixedly connected on the top surface of rotating rod (8), the top surface of connecting block (10) is fixedly connected with magnet (11); Clamping groove (12), the clamping groove (12) is arranged in the bottom of rotating shaft (3), the connecting block (10) and the clamping groove (12) are movably sleeved together, the magnet (11) and the rotating shaft (3) are magnetically attracted together.

4. The permanent-magnetic large-flow submersible sewage pump according to claim 3, characterized in that, The inner wall surface of water inlet shell (5) is provided with rotating groove (13), the rotating ring (14) is rotatably installed in the inside of rotating groove (13), the inner wall surface of rotating ring (14) is fixedly connected with connecting rod (15), one end of connecting rod (15) and the outer wall surface of rotating rod (8) are fixedly connected together.

5. A permanent-magnetic high-flow submersible sewage pump according to claim 4, characterized in that The bottom of shell (1) is provided with connecting groove (16), the top surface of water inlet shell (5) is provided with connecting ring (17), the connecting ring (17) and the connecting groove (16) are movably sleeved together, the top surface in the connecting groove (16) is provided with a plurality of through holes (18), the inside of through hole (18) is movably sleeved with bolt (19), the top surface of connecting ring (17) is provided with a plurality of mounting grooves (20), the bolt (19) and the mounting groove (20) are threadedly connected together.

6. The permanent-magnetic high-flow submersible sewage pump according to claim 1, characterized in that The bottom surface in the inside of water inlet shell (5) is fixedly connected with flow guide block (21).

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