CN210919542U

CN210919542U - Deep well submersible sewage pump

Info

Publication number: CN210919542U
Application number: CN201921867942.4U
Authority: CN
Inventors: 霍卫东; 刘天明; 焦发富
Original assignee: Taizhou Longda Submersible Pump Co ltd
Current assignee: Taizhou Longda Submersible Pump Co ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-07-03
Anticipated expiration: 2029-11-01

Abstract

The utility model discloses a deep well submersible sewage pump, which comprises a shell, a first pump body, a second pump body and a water inlet cover, wherein the first pump body and the second pump body are respectively fixed at the upper end and the lower end of the shell, a power cable is embedded on the side wall of the shell, a motor stator is installed on the inner wall of the shell, a motor rotor is sleeved in the motor stator, a rotating shaft of the motor rotor is rotationally connected with the shell through a sealing bearing, one end of the rotating shaft of the motor rotor is inserted into the first pump body through the shell and is fixedly connected with a first impeller in the first pump body, the other end of the rotating shaft of the motor rotor is inserted into the second pump body through the shell and is fixedly connected with a second impeller in the second pump body, the deep well submersible sewage pump has the characteristics of compact and reasonable structure and blockage prevention, when in use, sludge at the bottom of a shifting plate is constantly stirred, the drilling effect is achieved, has excellent filtering effect and can avoid the problem of unsmooth mud discharge at one side of the water inlet cover caused by local blockage.

Description

Deep well submersible sewage pump

Technical Field

The utility model relates to a dredge pump, in particular to deep well submersible dredge pump belongs to dredge pump technical field.

Background

The deep well pump features that the motor and the pump are integrated, and the pump is immersed in underground water well for sucking and conveying water, and may be used widely in irrigation and drainage of farm, industrial and mining enterprises, city water supply and drainage, sewage treatment, etc. the motor is immersed in water simultaneously, so that it has special structural requirement as compared with available motors, and the motor has four structural forms, including dry type, semi-dry type, oil-filled type and wet type.

Besides the above functions, the deep well sewage pump can be used as a sewage draining tool of an underground well or a river channel, but in practical application, the problem that the water inlet of the existing deep well sewage pump is blocked is easily caused, the main reason is that more impurities are contained in a sludge layer, the impurities cannot pass through a coarse strainer at the end of the deep well sewage pump, and the problem of filter screen blockage is caused after long-time accumulation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a deep well submersible sewage pump to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a deep well submersible sewage pump comprises a shell, a first pump body, a second pump body and a water inlet cover, wherein the first pump body and the second pump body are respectively fixed at the upper end and the lower end of the shell, a power cable is embedded in the side wall of the shell, a motor stator is installed on the inner wall of the shell, a motor rotor is arranged in the motor stator inner sleeve, a rotating shaft of the motor rotor is rotatably connected with the shell through a sealing bearing, one end of the rotating shaft of the motor rotor penetrates through the shell to be inserted into the first pump body and fixedly connected with a first impeller in the first pump body, the other end of the rotating shaft of the motor rotor penetrates through the shell to be inserted into the second pump body and fixedly connected with a second impeller in the second pump body, a water inlet and a water outlet are formed in the first pump body, the water outlet is connected with a flow guide pipe, an injection pipe is, the second pump body is provided with a sewage discharge outlet and a sewage inlet, a water inlet cover for sealing the sewage inlet is arranged outside the sewage inlet, a rotating rod connected with a rotating shaft of the motor rotor is arranged in the sewage inlet, the water inlet cover is fixed on the rotating rod and linked with the rotating rod, a shifting plate is fixedly connected to the bottom wall of the water inlet cover, a plurality of inlet grooves are formed in the outer wall of the water inlet cover, and sewage enters the sewage inlet through the inlet grooves.

Preferably, the injection pipe is embedded in the side wall of the sewage inlet of the second pump body, and the outlet end of the injection pipe extends into the water inlet cover.

Preferably, the outer side of the sewage inlet is provided with a limiting groove, the structure of the limiting groove is matched with the edge structure of the upper port of the water inlet cover, and the water inlet cover is arranged in the limiting groove and is radially limited through the limiting groove.

Preferably, the inlet slot and the backflushing slot are both strip slot holes, and the backflushing slot is positioned on one side of the injection pipe far away from the rotating rod.

Preferably, the opening of the dirt inlet is downward.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a deep well submersible sewage pump, have compact structure reasonable and prevent the characteristics of jam, during the use, dial the board and constantly stir bottom mud, the drilling effect has, it can go deep into in the mud layer to advance water cover, the rotatory cover of intaking, fabulous filtering action has, can avoid local jam to lead to advancing the not smooth problem of water cover unilateral mud of arranging, and simultaneously, the honeycomb duct pressurizes the clear water to the injection pipe in, from the injection pipe to unilateral blowout again, can circulate the backwash cover of intaking, thereby effectively avoided debris to block up the problem in import groove for a long time.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

fig. 3 is a top sectional view of the water inlet cover of the present invention.

In the figure: 1. a housing; 2. a pump body I; 3. a second pump body; 4. a water inlet cover; 5. a motor stator; 6. a motor rotor; 7. sealing the bearing; 8. connecting a power cable; 9. a water inlet; 10. a water outlet; 11. an impeller I; 12. a flow guide pipe; 13. a sewage draining outlet; 14. a second impeller; 15. a sewage inlet; 16. dialing a plate; 17. an inlet tank; 18. back flushing the groove; 19. an injection pipe; 20. a limiting groove; 21. and (4) rotating the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a deep well submersible sewage pump comprises a shell 1, a first pump body 2, a second pump body 3 and a water inlet cover 4, wherein the first pump body 2 and the second pump body 3 are respectively fixed at the upper end and the lower end of the shell 1, a power connection cable 8 is embedded in the side wall of the shell 1, a motor stator 5 is installed on the inner wall of the shell 1, a motor rotor 6 is sleeved in the motor stator 5, a rotating shaft of the motor rotor 6 is rotatably connected with the shell 1 through a sealing bearing 7, one end of the rotating shaft of the motor rotor 6 is inserted into the first pump body 2 through the shell 1 and is fixedly connected with a first impeller 11 in the first pump body 2, the other end of the rotating shaft of the motor rotor 6 is inserted into the second pump body 3 through the shell 1 and is fixedly connected with a second impeller 14 in the second pump body 3, the first pump body 2 is provided with a water inlet 9 and a water outlet 10, the water outlet 10, be equipped with a plurality of recoil grooves 18 on the injection pipe 19, be equipped with drain 13 and dirty mouthful 15 on the second pump body 3, be equipped with the cover 4 of intaking that seals dirty mouthful 15 outside dirty mouthful 15 of intaking, be equipped with the bull stick 21 of being connected with 6 swivelling axes of electric motor rotor in the dirty mouthful 15 of intaking, the cover 4 of intaking is fixed on the bull stick 21 and is linked with the bull stick 21, and fixedly connected with dials board 16 on the cover 4 diapire of intaking, and the cover 4 outer wall of intaking is equipped with a plurality of import grooves 17, and sewage gets into dirty mouthful 15 through import groove 17.

Wherein, the injection pipe 19 is embedded on the side wall of the sewage inlet 15 of the second pump body 3, the outlet end of the injection pipe 19 extends into the water inlet cover 4 and is sprayed out to one side from the injection pipe 19, and the water inlet cover 4 can be circularly and reversely washed, thereby effectively avoiding the problem that sundries block the inlet groove 17 for a long time.

Wherein, be equipped with spacing groove 20 on the dirty mouthful 15 outside of intaking, the structure of spacing groove 20 with intake cover 4 upper end mouth edge structure looks adaptation, intake cover 4 and install in spacing groove 20 and through spacing groove 20 radial spacing, avoid intake cover 4 compression deformation.

Wherein, the inlet slot 17 and the recoil slot 18 are strip-shaped slot holes, the recoil slot 18 is positioned at one side of the injection pipe 19 far away from the rotating rod 21, and the strip-shaped slot holes have better anti-blocking effect than the circular slot holes.

Wherein, the opening of the sewage inlet 15 is arranged downwards, which is convenient for pumping sludge.

Specifically, when the utility model is used, the motor stator 5 is electrified, the motor rotor 6 rotates at high speed under the action of magnetic induction, so that the first impeller 11 and the second impeller 14 synchronously run at high speed, the second impeller 14 extrudes sludge at the bottom of the deep well to be upwards transmitted through the sewage discharge outlet 13, the first impeller 11 extrudes water on the upper layer of the deep well to be downwards transmitted along the draft tube 12, in the process, the rotating rod 21 drives the water inlet cover 4 to rotate at a high speed, the shifting plate 16 continuously shifts bottom sludge, the drilling effect is achieved, the water inlet cover 4 can deeply enter a mud layer, the sludge enters the water inlet cover 4 from the inlet groove 17, the rotating water inlet cover 4 has excellent filtering effect, the problem that the mud is not smoothly discharged from one side of the water inlet cover 4 due to local blockage can be avoided, meanwhile, the draft tube 12 pressurizes the clean water into the injection tube 19, and then the clean water is sprayed out from the injection tube 19 to one side, so that the water inlet cover 4 can be circularly and reversely washed, and the problem that sundries block the inlet groove 17 for a long time is effectively solved.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A deep well submersible sewage pump comprises a shell (1), a first pump body (2), a second pump body (3) and a water inlet cover (4), and is characterized in that the upper end and the lower end of the shell (1) are respectively fixed with the first pump body (2) and the second pump body (3), a power connection cable (8) is embedded in the side wall of the shell (1), a motor stator (5) is installed on the inner wall of the shell (1), a motor rotor (6) is sleeved in the motor stator (5), a rotating shaft of the motor rotor (6) is rotatably connected with the shell (1) through a sealing bearing (7), one end of a rotating shaft of the motor rotor (6) penetrates through the shell (1) and is inserted into the first pump body (2) and a first impeller (11) in the first pump body (2), the other end of the rotating shaft of the motor rotor (6) penetrates through the shell (1) and is inserted into the second pump body (3) and a second impeller (14) in the second pump body (3), the first pump body (2) is provided with a water inlet (9) and a water outlet (10), the water outlet (10) is connected with a flow guide pipe (12), the other end of the flow guide pipe (12) is fixedly connected with an injection pipe (19), a plurality of backflushing grooves (18) are arranged on the injection pipe (19), a sewage outlet (13) and a sewage inlet (15) are arranged on the second pump body (3), a water inlet cover (4) for sealing the sewage inlet (15) is arranged outside the sewage inlet (15), a rotating rod (21) connected with a rotating shaft of the motor rotor (6) is arranged in the dirt inlet (15), the water inlet cover (4) is fixed on the rotating rod (21) and linked with the rotating rod (21), fixedly connected with group board (16) on the cover (4) diapire of intaking, the cover (4) outer wall of intaking is equipped with a plurality of import grooves (17), and sewage gets into dirty mouthful (15) through import groove (17).

2. The deep well submersible sewage pump of claim 1, wherein: the jet pipe (19) is embedded in the side wall of the sewage inlet (15) of the second pump body (3), and the outlet end of the jet pipe (19) extends into the water inlet cover (4).

3. The deep well submersible sewage pump of claim 1, wherein: be equipped with spacing groove (20) on dirty mouthful (15) outside of intaking, the structure of spacing groove (20) and the edge structure looks adaptation of intaking cover (4) upper end mouth, it installs in spacing groove (20) and radially spacing through spacing groove (20) to intake cover (4).

4. The deep well submersible sewage pump of claim 1, wherein: the inlet groove (17) and the backflushing groove (18) are both strip-shaped groove holes, and the backflushing groove (18) is positioned on one side of the injection pipe (19) far away from the rotating rod (21).

5. The deep well submersible sewage pump of claim 1, wherein: the opening of the sewage inlet (15) is arranged downwards.