Cutting sewage pump

Abstract

The utility model relates to a cutting sewage pump, which aims to solve the technical problems that an impeller of a current sewage pump is easy to wind and block by sundries in sewage, the working efficiency of the sewage pump is influenced, the service life of the sewage pump is seriously influenced, the sewage pump is frequently maintained, and great inconvenience is brought to the sewage discharge work of the sewage pump, and comprises a pump body, a motor is installed at the top of the pump body, an impeller is fixedly installed at the end, extending into the pump body, of a motor shaft of the motor, the end, extending out of the pump body, of the motor shaft of the motor is connected with a cutting assembly which is fixed to the bottom of the pump body and used for cutting sundries, and the cutting assembly comprises a protective cover and a shaft rod arranged in the middle of the protective cover. According to the sewage pump, sundries in sewage can be cut, the sundries in the sewage are prevented from winding and blocking the sewage pump, the working efficiency of the sewage pump is guaranteed, the service life of the sewage pump is prolonged, the maintenance frequency is reduced, and sewage discharging work is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage pumps, in particular to a cutting sewage pump. Background Art

[0002] Sewage pump is a kind of centrifugal impurity pump, with many forms: submersible and dry. The most commonly used submersible pump is QW submersible sewage pump, and the most common dry sewage pumps are W horizontal sewage pump and WL vertical sewage pump. It is mainly used to transport urban sewage, feces or liquid containing fiber.

[0003] The overall structure of the sewage pump in the prior art is relatively complex. It is mainly used for conveying sewage. When conveying sewage, the impeller inside it is easily entangled and blocked by debris in the sewage, which affects the working efficiency of the sewage pump and seriously affects the service life of the sewage pump. Frequent maintenance brings great inconvenience to the sewage discharge work of the sewage pump.

[0004] In view of this, we propose a cutting sewage pump. Utility Model Content

[0005] The purpose of the utility model is to overcome the deficiencies of the prior art, meet actual needs, and provide a cutting sewage pump to solve the technical problem that the impeller of the current sewage pump is easily entangled and blocked by debris in the sewage, affecting the working efficiency of the sewage pump and seriously affecting the service life of the sewage pump. Frequent maintenance brings great inconvenience to the sewage discharge work of the sewage pump.

[0006] In order to achieve the purpose of the utility model, the technical solution adopted by the utility model is: designing a cutting sewage pump, including a pump body;

[0007] A motor is installed on the top of the pump body, and an impeller is fixedly installed on one end of the motor shaft of the motor extending into the pump body, and a cutting assembly for cutting debris is connected to one end of the motor shaft of the motor extending out of the pump body;

[0008] The cutting assembly includes a protective cover and a shaft rod centrally arranged in the protective cover, the top end of the shaft rod is welded and fixed to the motor shaft of the motor, and a mounting seat is welded and fixedly installed at the bottom of the outer edge surface of the shaft rod, a plurality of cutting blades 1 are fixed in a circular array on the outer edge surface of the mounting seat, and a fixing seat is fixedly installed on the top of the outer edge surface of the shaft rod, and a plurality of cutting blades 2 are constructed in a circular array on the outer edge surface of the fixing seat.

[0009] Preferably, one end of the pump body is connected to a water outlet pipe, and a fixing ring 1 is welded and fixedly provided on the other end of the pump body, and a plurality of fixing ears 1 are constructed in a ring array on the outer edge surface of the fixing ring 1.

[0010] Preferably, a plurality of fixing ears 2 are constructed in a ring array on the top of the outer edge surface of the protective cover, and a fixing bolt threadedly connected to the fixing ear 2 is movably provided in the fixing ear 1.

[0011] Preferably, a second fixing ring is welded and fixedly provided at the bottom of the outer edge surface of the protective cover, and a plurality of circular holes are opened at the top of the second fixing ring in a circular array.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. Thanks to the pump body with a motor installed and the setting of the cutting assembly, when the motor drives the impeller in the pump body to rotate, the sucked water enters the pump body through the protective cover, and at the same time the motor drives the shaft to rotate, thereby driving the multiple cutting blades 1 and the multiple cutting blades 2 to rotate, and the multiple cutting blades 1 are used to cut the debris in the water body, and the multiple cutting blades 2 are used to cut the cut debris again, so as to avoid the debris in the sewage from entanglement and clogging the sewage pump, ensure the working efficiency of the sewage pump, thereby improving the service life of the sewage pump, reducing the maintenance frequency, and facilitating the sewage discharge work;

[0014] 2. Thanks to the pump body with a fixing ring 1 and the setting of the cutting assembly, during maintenance, the fixing ring 1 with multiple fixing ears 1 and the protective cover with multiple fixing ears 2 can be disassembled by unscrewing multiple fixing bolts, so that the shaft rod, multiple cutting blades 1 and multiple cutting blades 2 are exposed, so that the staff can maintain the multiple cutting blades 1 and the multiple cutting blades 2 and clean up the remaining debris in the protective cover, which is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the structure of the utility model in a disassembled state;

[0017] Figure 3 It is a schematic diagram of the structure of the cutting assembly in the utility model in a disassembled state.

[0018] In the figure: 1. pump body; 101. water outlet pipe; 102. fixing ring 1; 2. motor; 3. impeller; 4. cutting assembly; 401. protective cover; 402. shaft; 403. cutting blade 1; 404. fixing seat; 405. cutting blade 2; 406. fixing ear 2; 407. fixing ring 2; 5. fixing ear 1; 6. fixing bolt. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0020] A cutting sewage pump, see Figure 1 , Figure 2 , Figure 3 , comprising a pump body 1, a motor 2 is mounted on the top of the pump body 1, and an impeller 3 is fixedly mounted on one end of the motor shaft of the motor 2 extending into the pump body 1, and a cutting assembly 4 for cutting debris is connected to one end of the motor shaft of the motor 2 extending out of the pump body 1 and fixed to the bottom of the pump body 1, and the cutting assembly 4 comprises a protective cover 401 and a shaft 402 centrally arranged in the protective cover 401, the top end of the shaft 402 is welded and fixed to the motor shaft of the motor 2, and a mounting seat is welded and fixedly mounted on the bottom of the outer edge surface of the shaft 402, a plurality of cutting blades 403 are fixed in an annular array on the outer edge surface of the mounting seat, and a fixed The seat 404 is fixed, and the outer edge surface of the fixed seat 404 is configured with a plurality of cutting blades 405 in a ring array. When the motor 2 drives the impeller 3 in the pump body 1 to rotate, the sucked water enters the pump body 1 through the protective cover 401, and at the same time, the motor 2 drives the shaft 402 to rotate, thereby driving the plurality of cutting blades 1 403 and the plurality of cutting blades 2 405 to rotate, and the sundries in the water body are cut by the plurality of cutting blades 1 403, and the cut sundries are cut again by the plurality of cutting blades 2 405, so as to avoid the sundries in the sewage from entanglement and clogging the sewage pump, thereby ensuring the working efficiency of the sewage pump, thereby improving the service life of the sewage pump, reducing the maintenance frequency, and facilitating the sewage discharge work.

[0021] For further information, see Figure 1 , Figure 2 , Figure 3 One end of the pump body 1 is connected to a water outlet pipe 101, and the other end of the pump body 1 is welded and fixed with a fixing ring 102, and the outer edge surface of the fixing ring 102 is configured with a plurality of fixing ears 5 in an annular array, and the top of the outer edge surface of the protective cover 401 is configured with a plurality of fixing ears 406 in an annular array, and the fixing ears 5 are movably provided with fixing bolts 6 threadedly connected to the fixing ears 406, and the outer edge surface bottom of the protective cover 401 is welded and fixed with a fixing ring 407, and the fixing The top of the ring 2 407 is provided with a plurality of circular holes in a circular array. During maintenance, the fixing ring 102 having a plurality of fixing ears 1 5 and the protective cover 401 having a plurality of fixing ears 2 406 can be disassembled by unscrewing a plurality of fixing bolts 6, so that the shaft 402, the plurality of cutting blades 1 403 and the plurality of cutting blades 2 405 are exposed, so that the staff can perform maintenance on the plurality of cutting blades 1 403 and the plurality of cutting blades 2 405 and clean up the remaining debris in the protective cover 401, which is convenient to use.

[0022] Working principle: When in use, a plurality of pre-prepared bolts are respectively passed through the plurality of round holes on the fixing ring 2 407 and screwed into the pipe. When one end of the drainage pipe is connected to the outlet pipe 101, the motor 2 can be started, and the impeller 3 in the pump body 1 is driven by the motor 2 to rotate, and the water is sucked into the pump body 1 through the protective cover 401 and discharged into the drainage pipe connected to the outlet pipe 101. At the same time, the motor 2 drives the shaft 402 to rotate, thereby driving the plurality of cutting blades 1 403 and the plurality of cutting blades 2 405 to rotate, and the debris in the water body is cut by the plurality of cutting blades 1 403, and the cut debris is cut again by the plurality of cutting blades 2 405, thereby This prevents debris in the sewage from entangled and clogging the sewage pump, ensures the working efficiency of the sewage pump, thereby increasing the service life of the sewage pump, reducing the maintenance frequency, and facilitating sewage discharge work. When the sewage discharge work is completed and the equipment is maintained, the fixing ring 102 with multiple fixing ears 5 and the protective cover 401 with multiple fixing ears 2 406 can be disassembled by unscrewing multiple fixing bolts 6, so that the shaft 402, multiple cutting blades 1 403 and multiple cutting blades 2 405 are exposed, so that the staff can maintain the multiple cutting blades 1 403 and the multiple cutting blades 2 405 and clean up the remaining debris in the protective cover 401, which is easy to use.

[0023] The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. A person skilled in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not deviate from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. A cutting sewage pump, comprising a pump body (1); Features: An electric motor (2) is installed on the top of the pump body (1), and an impeller (3) is fixedly installed on one end of the motor shaft of the electric motor (2) extending into the pump body (1), and a cutting assembly (4) for cutting debris is connected to one end of the motor shaft of the electric motor (2) extending out of the pump body (1); The cutting assembly (4) comprises a protective cover (401) and a shaft (402) centrally arranged in the protective cover (401), the top end of the shaft (402) being welded and fixed to the motor shaft of the motor (2), and a mounting seat being welded and fixedly mounted on the bottom of the outer edge surface of the shaft (402), a plurality of cutting blades (403) being fixedly mounted in an annular array on the outer edge surface of the mounting seat, a fixing seat (404) being fixedly mounted on the top of the outer edge surface of the shaft (402), and a plurality of cutting blades (405) being configured in an annular array on the outer edge surface of the fixing seat (404).

2. The cutting sewage pump according to claim 1, characterized in that: One end of the pump body (1) is connected to a water outlet pipe (101), and the other end of the pump body (1) is welded and fixed with a fixing ring (102), and the outer edge surface of the fixing ring (102) is provided with a plurality of fixing ears (5) in a ring array.

3. The cutting sewage pump according to claim 1, characterized in that: The top of the outer edge surface of the protective cover (401) is configured with a plurality of fixing ears (406) in a circular array, and a fixing bolt (6) threadedly connected to the fixing ear (406) is movably arranged in the fixing ear (5).

4. The cutting sewage pump according to claim 1, characterized in that: A second fixing ring (407) is welded and fixedly arranged at the bottom of the outer edge surface of the protective cover (401), and a plurality of circular holes are opened at the top of the second fixing ring (407) in a circular array.

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