CN212643094U

CN212643094U - Multi-channel cutting sewage and dirt submersible electric pump

Info

Publication number: CN212643094U
Application number: CN202021102803.5U
Authority: CN
Inventors: 王护桥; 师延盛; 章国威; 李云
Original assignee: ZHEJIANG LBX PUMP INDUSTRY CO LTD
Current assignee: ZHEJIANG LBX PUMP INDUSTRY CO LTD
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-03-02
Anticipated expiration: 2030-06-15

Abstract

The utility model discloses a multi-channel cutting sewage and sewage submersible electric pump, which comprises a motor barrel, a pump body and a base which are connected in sequence, wherein a driving motor is arranged in the motor barrel, an impeller chamber is formed in one side of the pump body connected with the base, a rotor shaft of the driving motor extends into the base through the impeller chamber, an impeller is sleeved on the part of the rotor shaft in the impeller chamber, and the impeller consists of a wheel disc and blades which are distributed uniformly; a water outlet pipe communicated with the impeller chamber is arranged on one side of the pump body, a water inlet communicated with the impeller chamber is arranged on the base, a water inlet pipe orifice connected with the water inlet is formed on one end surface of the base far away from the impeller chamber, and the end surface of one side of the base close to the impeller chamber is attached to the end surface of the blade of the impeller; the rotor shaft of the driving motor extends into the water inlet pipe orifice of the base, and a cutting knife I and a cutting disc are sequentially arranged at the inward position of the water inlet pipe orifice of the rotor shaft.

Description

Multi-channel cutting sewage and dirt submersible electric pump

Technical Field

The utility model belongs to the technical field of the immersible pump, refer in particular to a multichannel cutting sewage filth submerged motor pump.

Background

Submersible pumps are important devices for lifting or discharging water. When in use, the whole unit is submerged to work, and underground water is extracted to the ground surface, so that the unit can be used for domestic water, mine emergency, industrial cooling, farmland irrigation, seawater lifting, ship load regulation and fountain landscape. And present immersible pump also is used for the sewage discharge in, however, because contain a lot of filths in the sewage, the easy jam that appears to lead to the immersible pump can't normally work, lead to the immersible pump to scrap even.

Disclosure of Invention

The utility model aims to provide a not enough to prior art exists, the utility model aims to provide a simple structure just can carry out the submerged motor pump of multichannel cutting to sewage filth.

In order to achieve the above purpose, the utility model provides a following technical scheme: a multi-channel cutting sewage and dirt submerged electric pump comprises a motor barrel, a pump body and a base which are sequentially connected, wherein a driving motor with a rotor shaft is arranged in the motor barrel, an impeller chamber is formed in one side of the pump body, which is connected with the base, the rotor shaft of the driving motor extends into the base through the impeller chamber, an impeller is sleeved on the part, located in the impeller chamber, of the rotor shaft, and the impeller consists of a wheel disc and blades which are uniformly distributed; a water outlet pipe communicated with the impeller chamber is arranged on one side of the pump body, a water inlet communicated with the impeller chamber is arranged on the base, a water inlet pipe orifice connected with the water inlet is formed on one end surface of the base far away from the impeller chamber, and the end surface of one side of the base close to the impeller chamber is attached to the end surface of the blade of the impeller; a rotor shaft of the driving motor extends into a water inlet pipe orifice of the base, and a cutting knife I and a cutting disc are sequentially arranged at the position, inward of the water inlet pipe orifice, of the rotor shaft; a cutting knife II which is coaxial with the water inlet is arranged on the end surface of one side of the base close to the impeller chamber, and the cutting knife II is fixed on the base through a bolt; the cutting knife II is provided with a plurality of cutting parts which are uniformly distributed according to the circumference, and the impeller is provided with a plurality of cutting parts which are uniformly distributed according to the circumference and are attached to the cutting parts.

By adopting the technical scheme, the sundries entering the pump body are cut for 3 times in the process of passing through the pump, and the cutting effect is good; firstly, a cutting knife I and a cutting disc which are positioned at a water inlet pipe opening of a base perform first axial cutting on sundries in a medium; secondly, impurities in the medium pass through the radial end face of the partition part in the impeller and the cutting part of the cutting knife II in the process of entering the impeller cavity to perform secondary cutting; and thirdly, in the process of the movement of the impurities in the medium in the impeller, the axial end faces of the blades are matched with the end face of the base, and the third cutting is carried out.

The utility model discloses further set up to: the cutting disc is sleeved on the rotor shaft and is connected with the water inlet pipe orifice through threads, and a fastening bolt for tightly propping the cutting disc is arranged on the water inlet pipe orifice; the shaft head of the rotor shaft is provided with a polygonal positioning rail for mounting a cutting knife I, and the cutting knife I is clamped on the positioning rail; the end face of the positioning gear of the rotor shaft is provided with a threaded hole, a locking bolt for locking the cutting knife I is arranged on the threaded hole, a flat pad and an elastic pad are arranged between the locking bolt and the cutting knife I, and the end face of the cutting disc is in zero clearance fit with the end face of the cutting knife I.

By adopting the technical scheme, the cutting knife I and the cutting disc are designed according to zero clearance fit, the cutting knife I utilizes a positioning gear on the rotor shaft to transmit torque, the cutting knife disc is fixed on a water inlet pipe orifice, and the rotor shaft drives the cutting knife I to rotate and the cutting disc which is kept static to jointly complete a cutting function; and the cutting knife I is fixed on the shaft head of the rotor shaft under the matching of the locking bolt, the flat gasket and the spring gasket. The cutting screw is connected and installed on the water inlet pipe orifice, and the axial position of the cutting disc is adjusted by screwing and loosening the fastening bolt, so that zero axial clearance between the cutting disc and the first cutting knife and the cutting disc is realized; and the cutting disc is tightly jacked through the fastening bolt arranged on the water inlet pipe orifice so as to prevent the cutting disc from rotating in the operation process of the pump, thereby having good axial fixing effect on the cutting disc.

The utility model discloses further set up to: the rotor shaft is a whole shaft, an impeller stop used for installing an impeller is arranged on the rotor shaft, the impeller is clamped on the impeller stop, an external thread part is arranged on the front side of the impeller stop on the rotor shaft, and a screwing nut used for locking the impeller is connected to the external thread part in a threaded mode.

By adopting the technical scheme, the rotor shaft is designed as a whole shaft, so that the integral structural strength of the rotor shaft can be ensured; the impeller is clamped on the impeller block and fixed through screwing the nut, so that the assembly of the impeller is facilitated.

The utility model discloses further set up to: and a plurality of sewage discharge grooves are formed in the end face of one side, close to the pump cavity, of the base.

By adopting the technical scheme, the chip discharge groove is designed on the top surface of the chassis, so that the electric pump can be prevented from being blocked by sundries, and the practicability of the pump is further improved.

The utility model discloses further set up to: the water outlet pipe is fixedly provided with a water outlet end flange through a bolt, the inner diameter of the water outlet end flange is provided with an internal thread part, and the internal thread part is in threaded connection with a water outlet joint.

Through adopting foretell technical scheme, be provided with the water outlet end flange through the bolt fastening on the outlet pipe, be provided with internal thread portion on the water outlet end flange internal diameter, internal thread portion on threaded connection have a water festival to realized the installation of the hard tube of being convenient for, hose, loosen pump body flange department bolt and can separate charge pump and outlet pipe way when just maintaining, facilitate the use, maintain.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at I;

reference numbers in the drawings and corresponding part names: 1-a pump body, 2-a base, 2 a-a sewage draining groove, 3-an impeller chamber, 4-a rotor shaft, 4 a-a positioning gear, 4 b-an impeller gear, 5-a water outlet pipe, 6-a water inlet pipe orifice, 7-a cutting knife I, 8-a cutting disc, 9-a cutting knife II, 10-a fastening bolt, 11-an impeller, 11 a-a dividing part, 12-a screwing nut, 13-a water outlet end flange, 14-a water outlet joint, 15-a locking bolt and 16-a motor barrel.

Detailed Description

An embodiment of the present invention is further explained with reference to fig. 1 to 2.

A multi-channel cutting sewage and dirt submerged electric pump comprises a motor cylinder 16, a pump body 1 and a base 2 which are sequentially connected, wherein a driving motor with a rotor shaft 4 is arranged in the motor cylinder 16, an impeller chamber 3 is formed in one side of the pump body 1, which is connected with the base 2, the rotor shaft 4 of the driving motor extends into the base 2 through the impeller chamber 3, an impeller 11 is sleeved on the part, located in the impeller chamber 3, of the rotor shaft 4, and the impeller 11 is composed of a wheel disc and blades which are uniformly distributed; a water outlet pipe 5 communicated with the impeller chamber 3 is arranged on one side of the pump body, a water inlet communicated with the impeller chamber 3 is arranged on the base 2, a water inlet pipe orifice 6 connected with the water inlet is formed on one end surface of the base 2 far away from the impeller chamber 3, and the end surface of one side of the base 2 close to the impeller chamber 3 is attached to the end surface of the blade of the impeller 11; a rotor shaft 4 of the driving motor extends into a water inlet pipe orifice 6 of the base 2, and a cutting knife I7 and a cutting disc 8 are sequentially arranged at the inward position of the water inlet pipe orifice 6 of the rotor shaft 4; a cutting knife II 9 which is coaxial with the water inlet is arranged on the end surface of one side of the base 2 close to the impeller chamber 3, and the cutting knife II 9 is fixed on the base 2 through a bolt; the cutting knife II 9 is provided with a plurality of cutting parts which are uniformly distributed according to the circumference, and the impeller 11 is provided with a plurality of cutting parts 11a which are uniformly distributed according to the circumference and are attached to the cutting parts.

By adopting the technical scheme, the sundries entering the pump body 1 are cut for 3 times in the process of passing through the pump, and the cutting effect is good; firstly, a cutting knife I7 and a cutting disc 8 which are positioned at a water inlet pipe orifice 6 of a base 2 carry out primary axial cutting on sundries in a medium; secondly, impurities in the medium pass through the radial end face of the dividing part 11a in the impeller 11 and the cutting part of the cutting knife II 9 in the process of entering the cavity of the impeller 11 to perform secondary cutting; and thirdly, in the process of the movement of the impurities in the medium in the impeller 11, the axial end surfaces of the blades are matched with the end surface of the base 2 to carry out third cutting.

The utility model discloses further set up to: the cutting disc 8 is sleeved on the rotor shaft 4 and is connected with the water inlet pipe orifice 6 through threads, and a fastening bolt 10 for tightly propping the cutting disc 8 is arranged on the water inlet pipe orifice 6; the shaft head of the rotor shaft 4 is provided with a polygonal positioning rail 4a for mounting a cutting knife I7, and the cutting knife I7 is clamped on the positioning rail 4 a; the end face of a positioning rail 4a of the rotor shaft 4 is provided with a threaded hole, the threaded hole is provided with a locking bolt 15 for locking a cutting knife I7, a flat pad and an elastic pad are arranged between the locking bolt 15 and the cutting knife I7, and the end face of the cutting disc 8 is in zero clearance fit with the end face of the cutting knife I7.

By adopting the technical scheme, the cutting knife I7 and the cutting disc 8 are designed according to zero clearance fit, the cutting knife I7 transmits torque by utilizing the positioning gear 4a on the rotor shaft 4, the cutting disc is fixed on the water inlet pipe orifice 6, and the rotor shaft 4 drives the cutting knife I7 to rotate and the cutting disc 8 which is kept static to jointly complete the cutting function; and the cutting knife I7 is fixed on the shaft head of the rotor shaft 4 under the matching of the locking bolt 15, the flat gasket and the spring gasket. The cutting thread is connected and installed on the water inlet pipe orifice 6, and the axial position of the cutting disc 8 is adjusted by screwing and loosening the fastening bolt 10, so that zero axial clearance between the cutting disc 8 and the first cutting knife and between the cutting disc 8 and the first cutting knife is realized; and tightly push up cutting disk 8 through fastening bolt 10 that sets up on water inlet pipe mouth 6 to prevent that cutting disk 8 from rotating at the pump operation in-process, thereby played good axial fixity effect to cutting disk 8.

The utility model discloses further set up to: the rotor shaft 4 is a whole shaft, an impeller stop 4b for mounting the impeller 11 is arranged on the rotor shaft 4, the impeller 11 is clamped on the impeller stop 4b, an external thread part is arranged on the rotor shaft 4 and at the front side of the impeller stop 4b, and a screwing nut 12 for locking the impeller 11 is connected to the external thread part in a threaded mode.

By adopting the technical scheme, the rotor shaft 4 is designed as a whole shaft, so that the integral structural strength of the rotor shaft 4 can be ensured; the impeller 11 is caught on the impeller rail 4b and fixed by tightening the nut 12, so that the assembly of the impeller 11 can be facilitated.

The utility model discloses further set up to: a plurality of sewage draining grooves 2a are arranged on the end surface of one side of the base 2 close to the pump cavity.

The utility model discloses further set up to: the water outlet pipe is fixedly provided with a water outlet end flange 13 through bolts, the inner diameter of the water outlet end flange 13 is provided with an internal thread part, and the internal thread part is in threaded connection with a water outlet joint 14.

Through adopting foretell technical scheme, be provided with water outlet flange 13 through the bolt fastening on the outlet pipe, be provided with internal thread portion on the water outlet flange 13 internal diameter, internal thread portion go up threaded connection and have a water festival 14 to realized the installation of the hard tube of being convenient for, hose, loosen the pump body 1 flange department bolt and can separate 5 ways of charge pump and outlet pipe when maintaining, facilitate the use, maintain.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a multichannel cutting sewage filth submerged motor pump, including motor section of thick bamboo (16) that connect gradually, the pump body (1) and base (2), be provided with the driving motor who takes rotor shaft (4) in motor section of thick bamboo (16), be formed with impeller chamber (3) in one side of base (2) is connected in pump body (1), driving motor's rotor shaft (4) extend to base (2) in through impeller chamber (3), the cover is equipped with impeller (11) on the part that rotor shaft (4) are located impeller chamber (3), and be provided with outlet pipe (5) with impeller chamber (3) intercommunication in one side of the pump body, characterized by: a water inlet communicated with the impeller chamber (3) is formed in the base (2), a water inlet pipe orifice (6) connected with the water inlet is formed in one end face, far away from the impeller chamber (3), of the base (2), and the end face, close to the impeller chamber (3), of one side of the base (2) is attached to the end face of the impeller (11); a rotor shaft (4) of the driving motor extends into a water inlet pipe orifice (6) of the base (2), and a cutting knife I (7) and a cutting disc (8) are sequentially arranged at the inward position of the water inlet pipe orifice (6) of the rotor shaft (4); and a cutting knife II (9) which is coaxial with the water inlet is arranged on the end surface of one side of the base (2) close to the impeller chamber (3), a plurality of cutting parts (9a) which are uniformly distributed according to the circumference are formed on the cutting knife II (9), and a plurality of cutting parts (11a) which are uniformly distributed according to the circumference and are attached to the cutting parts (9a) are formed on the impeller (11).

2. The submersible electric pump for multi-pass cutting of sewage sludge of claim 1, wherein: the cutting disc (8) is sleeved on the rotor shaft (4) and is connected with the water inlet pipe orifice (6) through threads, and a fastening bolt (10) for tightly jacking the cutting disc (8) is arranged on the water inlet pipe orifice (6); a shaft head of the rotor shaft (4) is provided with a positioning rail (4a) for mounting a cutting knife I (7), and the cutting knife I (7) is clamped on the positioning rail (4 a); the end face of a positioning gear (4a) of the rotor shaft (4) is provided with a threaded hole, a locking bolt (15) for locking the cutting knife I (7) is arranged on the threaded hole, and the end face of the cutting disc (8) is in zero clearance fit with the end face of the cutting knife I (7).

3. The submersible electric pump for multi-pass cutting of sewage sludge of claim 2, wherein: the rotor shaft (4) is a whole shaft, an impeller stop (4b) for installing an impeller (11) is arranged on the rotor shaft (4), the impeller (11) is clamped on the impeller stop (4b), an external thread part is arranged on the front side of the impeller stop (4b) on the rotor shaft (4), and a screwing nut (12) for locking the impeller (11) is connected to the external thread part in a threaded mode.

4. The submersible electric pump for multi-pass cutting of sewage sludge of claim 3, wherein: a plurality of sewage draining grooves (2a) are arranged on the end surface of one side of the base (2) close to the pump cavity.

5. The submersible electric pump for multi-pass cutting of sewage sludge of claim 4, wherein: the water outlet pipe is fixedly provided with a water outlet end flange (13) through bolts, the inner diameter of the water outlet end flange (13) is provided with an internal thread part, and the internal thread part is in threaded connection with a water outlet joint (14).