CN216742018U

CN216742018U - Backflow submersible sewage pump

Info

Publication number: CN216742018U
Application number: CN202220124992.9U
Authority: CN
Inventors: 张婷
Original assignee: Guangzhou Ksb Fluid Technology Co ltd
Current assignee: Guangzhou Ksb Fluid Technology Co ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-06-14
Anticipated expiration: 2032-01-18

Abstract

The utility model discloses a backflow submersible sewage pump, which relates to the technical field of submersible sewage pumps and comprises a base, wherein a sewage inlet is fixedly connected to the outer side of the base, a first filter screen is fixedly connected to the inside of the sewage inlet, a pump body is fixedly connected to the top end of the base, a motor chamber is fixedly connected to the top end of the pump body, a top cover is fixedly connected to the top end of the motor chamber, a sewage discharge pipe is fixedly connected to one side of the pump body, a sewage discharge flange is fixedly connected to one side of the sewage discharge pipe, which is far away from the pump body, a motor is fixedly connected to the inside of the motor chamber, and an output shaft end of the motor extends into the pump body and is fixedly connected with a transmission rod. This backward flow is dirty pump stealthily can block outside great stone or granule through setting up first filter screen, sets up the second filter screen and can make great granule and mud continue to cut into tiny granule when staying the cutting in, can protect the impeller can not hit bad, has strengthened the practicality of device.

Description

Backflow submersible sewage pump

Technical Field

The utility model relates to the technical field of submersible sewage pumps, in particular to a backflow submersible sewage pump.

Background

The backflow submersible sewage pump has the advantages that the application range is wide, the types of the submersible sewage pumps are various, the conventional external backflow process for sewage treatment generally adopts a submersible sewage pump, a submersible mixed-flow pump, a submersible axial-flow pump and the like, the submersible sewage pump is used at a large flow rate and a low lift, the efficiency is very low, the vibration is large, the unit operation reliability is poor, and the submersible mixed-flow pump and the submersible axial-flow pump have the characteristics of large flow rate and low lift.

When the existing submersible sewage pump is used, an impeller in the pump is easily damaged by large-particle impurities in sewage, so that the fault rate is increased, and blockage is easily caused in the pump body, so that the water inflow of the pump body is influenced, and the working efficiency of the pump body is reduced.

Therefore, there is a need for a backflow submersible sewage pump that solves the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to provide a backflow submersible sewage pump, which aims to solve the problems that when the existing submersible sewage pump provided by the background technology is used, an impeller in the pump is easily damaged by large-particle impurities in sewage, so that the fault rate is increased, and a water inlet of a pump body is easily blocked, so that the water inflow of the pump body is influenced, and the working efficiency of the pump body is reduced.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: a backflow submersible sewage pump comprises a base, wherein a sewage inlet is fixedly connected to the outer side of the base, a first filter screen is fixedly connected to the inner portion of the sewage inlet, a pump body is fixedly connected to the top end of the base, a motor chamber is fixedly connected to the top end of the pump body, a top cover is fixedly connected to the top end of the motor chamber, a sewage discharge pipe is fixedly connected to one side of the pump body, a sewage discharge flange is fixedly connected to one side of the sewage discharge pipe away from the pump body, a motor is fixedly connected to the inner portion of the motor chamber, an output shaft end of the motor extends into the pump body and is fixedly connected with a transmission rod, a first connector is fixedly connected to the outer side of the transmission rod inside the pump body, an impeller is fixedly connected to the outer side of the first connector, a second filter screen is fixedly connected to the inner bottom end of the pump body, a cutting chamber is fixedly connected to the inner portion of the base, and a second connector is fixedly connected to one end, away from the motor, of the transmission rod, a cutting blade is fixedly connected to the outer side of the second connector.

Preferably, the sewage inlet and the first filter screen are multiple, and the multiple first filter screens are distributed in an annular array.

Preferably, the pump body is fixedly connected with the motor chamber through a second bolt.

Preferably, the motor chamber is fixedly connected with the top cover through a first bolt.

Preferably, one end of the transmission rod, which is far away from the motor, extends into the cutting chamber and penetrates through the second filter screen.

Preferably, the first connector is located in the middle of the pump body and is fixedly connected with the transmission rod.

Preferably, there are two sets of cutting blades outside the second connector.

(III) advantageous effects

Compared with the prior art, the utility model provides a backflow submersible sewage pump which has the following beneficial effects:

1. this dirty pump is stealthily carried out in backward flow can stop great stone or granule outside through setting up first filter screen, sets up the second filter screen and can make great granule and mud be stayed and continue to cut into tiny granule in the cutting room, can protect the impeller can not hit badly, has strengthened the practicality of device.

2. This backflow submersible sewage pump can cut great particulate matter to become tiny through setting up cutting blade, can also cut some objects that arouse the pump body jam, makes the mud that gets into the pump body become more exquisite, makes the pump body get rid of mud more easily, has strengthened the blowdown efficiency of device.

Drawings

FIG. 1 is a perspective view of the submersible sewage pump according to the present invention;

FIG. 2 is a schematic front view of the submersible sewage pump structure of the present invention;

FIG. 3 is a schematic cross-sectional view of the submersible sewage pump structure of the present invention;

FIG. 4 is a side view of the submersible sewage pump configuration of the present invention.

In the figure: 1. a base; 2. a sewage inlet; 3. a first filter screen; 4. a pump body; 5. a motor chamber; 6. a top cover; 7. a first bolt; 8. a blow-off pipe; 9. a blowdown flange; 10. a second bolt; 11. a cutting chamber; 12. a cutting blade; 13. a second filter screen; 14. an impeller; 15. a first connector; 16. a motor; 17. a transmission rod; 18. a second connector.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a backflow submersible sewage pump comprises a base 1, a sewage inlet 2 is fixedly connected to the outer side of the base 1, a first filter screen 3 is fixedly connected to the inner portion of the sewage inlet 2, a pump body 4 is fixedly connected to the top end of the base 1, a motor chamber 5 is fixedly connected to the top end of the pump body 4, a top cover 6 is fixedly connected to the top end of the motor chamber 5, a sewage discharge pipe 8 is fixedly connected to one side of the pump body 4, a sewage discharge flange 9 is fixedly connected to one side of the sewage discharge pipe 8 away from the pump body 4, a motor 16 is fixedly connected to the inner portion of the motor chamber 5, an output shaft end of the motor 16 extends into the pump body 4 and is fixedly connected to a transmission rod 17, a first connector 15 is fixedly connected to the outer side of the transmission rod 17 inside the pump body 4, an impeller 14 is fixedly connected to the outer side of the first connector 15, a second filter screen 13 is fixedly connected to the inner bottom end of the pump body 4, and a cutting chamber 11 is fixedly connected to the inner portion of the base 1, one end of the transmission rod 17, which is far away from the motor 16, is fixedly connected with a second connector 18, the outer side of the second connector 18 is fixedly connected with cutting blades 12, the sewage inlet 2 and the first filter screens 3 are provided with a plurality of first filter screens 3 which are distributed in an annular array, the pump body 4 is fixedly connected with the motor chamber 5 through second bolts 10, the motor chamber 5 is fixedly connected with the top cover 6 through first bolts 7, one end of the transmission rod 17, which is far away from the motor 16, extends into the cutting chamber 11 and penetrates through the second filter screens 13, larger stones or particles can be blocked outside through arranging the first filter screens 3, the second filter screens 13 can enable larger particles and sludge to be continuously cut into fine particles during cutting, the impeller 14 can be protected from being damaged, the practicability of the device is enhanced, the first connector 15 is arranged in the middle of the pump body 4 and is fixedly connected with the transmission rod 17, two groups of cutting blades 12 are arranged outside the second connector 18, can cut great particulate matter and become tiny through setting up cutting blade 12, can also cut some objects that arouse the pump body 4 jam, make the mud that gets into the pump body 4 become more exquisite, make the pump body 4 get rid of mud more easily, strengthened the blowdown efficiency of device.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

The working principle is as follows: during the use earlier with stealthily dirty pump base 1 on ground, open motor 16, it is rotatory to make transfer line 17 drive impeller 14 and cutting blade 12, mud can be followed into dirty mouthful 2 entering, and it can block some great stones or granule outside to advance dirty mouthful 2 inside being equipped with first filter screen 3, the mud that gets into cutting chamber 11 can be cut repeatedly by cutting blade 12, the second filter screen 13 that sets up can make great granule and mud stay and continue to cut in cutting chamber 11 until becoming tiny granule and can pass through second filter screen 13, because the mud that gets into the inside of the pump body 4 has been cut into less granule by cutting blade 12, the speed that gets into the pump body 4 and is got rid of is also faster, stealthily dirty pump's work efficiency is higher.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a return flow stealthily dirty pump, includes base (1), its characterized in that: the sewage treatment device is characterized in that a sewage inlet (2) is fixedly connected to the outer side of the base (1), a first filter screen (3) is fixedly connected to the inner portion of the sewage inlet (2), a pump body (4) is fixedly connected to the top end of the base (1), a motor chamber (5) is fixedly connected to the top end of the pump body (4), a top cover (6) is fixedly connected to the top end of the motor chamber (5), a sewage discharge pipe (8) is fixedly connected to one side of the pump body (4) and far away from the sewage discharge pipe (8), a sewage discharge flange (9) is fixedly connected to one side of the pump body (4), a motor (16) is fixedly connected to the inner portion of the motor chamber (5), an output shaft end of the motor (16) extends into the pump body (4) and is fixedly connected with a transmission rod (17), a first connector (15) is fixedly connected to the outer side of the transmission rod (17) in the pump body (4), and an impeller (14) is fixedly connected to the outer side of the first connector (15), the inside bottom fixedly connected with second filter screen (13) of the pump body (4), inside fixed connection cutting chamber (11) of base (1), the one end fixedly connected with second connector (18) of motor (16) is kept away from in transfer line (17), the outside fixedly connected with cutting blade (12) of second connector (18).

2. The return submersible sewage pump of claim 1, wherein: the sewage inlet (2) and the first filter screen (3) are multiple, and the first filter screens (3) are distributed in an annular array.

3. The return submersible sewage pump of claim 1, wherein: the pump body (4) is fixedly connected with the motor chamber (5) through a second bolt (10).

4. The return submersible sewage pump of claim 1, wherein: the motor chamber (5) is fixedly connected with the top cover (6) through a first bolt (7).

5. The return submersible sewage pump of claim 1, wherein: one end of the transmission rod (17), which is far away from the motor (16), extends into the cutting chamber (11) and penetrates through the second filter screen (13).

6. The return submersible sewage pump of claim 1, wherein: the first connector (15) is positioned in the middle of the pump body (4) and is fixedly connected with the transmission rod (17).

7. The return submersible sewage pump of claim 1, wherein: there are two sets of cutting blades (12) outside the second connector (18).