CN214196703U - High-efficiency sewage and dirt submersible electric pump suitable for mud, sand and dirt liquid mixed medium - Google Patents

Abstract

The utility model belongs to the technical field of the submerged motor pump, and a high-efficient sewage, filth submerged motor pump suitable for mud, sand, foul solution mixed medium is disclosed, the on-line screen storage device comprises a base, the fixed intercommunication in top of base has the pump body, the fixed intercommunication in top of the pump body has the pump cover, the top fixed mounting of pump cover has the step, the top fixed mounting of step has the stator housing, the top fixed mounting of stator housing has the top cap, equal fixed mounting has bolster bearing housing between the inside on stator housing top and the inside of top cap bottom. The utility model discloses a set up open impeller, replace traditional closed impeller for open impeller to make more graceful of the inside runner of the pump body, so that satisfy the excrement and urine emission in livestock breeding place and the septic of living cell and discharge, the effectual probability that has reduced the jam damage has improved application scope, has consequently increased this submerged motor pump's practicality.

Description

High-efficiency sewage and dirt submersible electric pump suitable for mud, sand and dirt liquid mixed medium

Technical Field

The utility model belongs to the technical field of the submerged motor pump, specifically be applicable to high-efficient sewage, filth submerged motor pump of mud, sand, dirty liquid mixed medium.

Background

The submersible electric pump is a water pump with a pump body impeller and a motor driving the impeller both submerged in water to work, and has two types of deep well and working surface, the submersible electric pump for the deep well supplies power to the motor through a cable extending into the well, and a transmission long shaft is omitted, so that the submersible electric pump has compact structure, light weight and convenient installation, use and transfer, has a tendency of replacing the long shaft deep well pump in a power supply area, but is not suitable for a water well with large sand content and a power-free area.

At present, sewage and sewage submersible electric pumps used in the market are overflowing parts designed by closed sewage impellers, are widely used in sewage disposal places, but have great limitation and cannot completely meet the requirements of modern sewage disposal, such as excrement discharge in livestock breeding places, excrement discharge in living quarters and the like, and are easy to block and damage when used in the places, so that inconvenience is brought to the use of operators.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above problem, the utility model provides a high-efficient sewage, filth submerged motor pump suitable for mud, sand, foul solution mixed medium has the advantage that reduces and blocks up probability and application scope guangZhou.

In order to achieve the above object, the utility model provides a following technical scheme: the high-efficiency sewage and sewage submersible electric pump suitable for the mixed medium of mud, sand and sewage comprises a base, wherein the top of the base is fixedly communicated with a pump body, the top of the pump body is fixedly communicated with a pump cover, the top of the pump cover is fixedly provided with a lower bearing seat, the top of the lower bearing seat is fixedly provided with a stator shell, the stator shell is formed by welding special seamless steel tubes, compared with a conventional cast stator shell, the pump has the advantages of small volume, light weight, high processing precision, good heat dissipation and the like, meanwhile, the defects of air holes, sand holes and the like formed in the casting process are avoided, so that the pump runs more stably and the efficiency is higher, the top of the stator shell is fixedly provided with a top cover, upper bearing seats are fixedly arranged between the inside of the top end of the stator shell and the inside of the bottom end of the top cover, a first bearing is fixedly arranged in the middle of an inner cavity of each upper bearing seat, and stators are fixedly arranged on two sides of the inner cavity of the stator shell, the fixed cover in the inside of first bearing has connect the rotor shaft, the bottom of rotor shaft runs through step and pump cover in proper order and extends to the inside of the pump body and fixed cover has connect open impeller.

As a preferred technical scheme of the utility model, the external fixation of rotor shaft has cup jointed the second bearing that is located the step inside, the surface of second bearing and the inner wall fixed connection of step, because the design of second bearing will make the rotor shaft more smooth at the pivoted in-process.

As a preferred technical scheme of the utility model, the surface mounting of rotor shaft has cup jointed the third bearing that is located the second bearing top, the surface of third bearing both sides and the inner wall fixed connection of step, the bottom of third bearing and the top fixed connection of second bearing, because the design of third bearing, will further improvement rotor shaft pivoted smoothness degree, work efficiency when having increased the rotor shaft operation.

As a preferred technical scheme of the utility model, the surface mounting of rotor shaft has cup jointed the inside iron core piece that is located the stator, the middle part fixed mounting of step inner chamber has sealed piece, the inner wall of sealed piece and the surface swing joint of rotor shaft because the design of sealed piece will have strengthened the sealed effect to the rotor shaft to liquid has been avoided and has been immersed the inside to the step.

As the utility model discloses a preferred technical scheme, all adopt the bolt to carry out erection joint between base, the pump body, pump cover, step, stator shell and the top cap, because bolted connection's mode, the staff later stage that will be convenient for is dismantled to it and is overhauld.

As a preferred technical scheme of the utility model, the fixed intercommunication in left side of the pump body has the fluid-discharge tube, and liquid is leading-in by the base to will discharge out from the fluid-discharge tube.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up open impeller, replace traditional closed impeller for open impeller to make more graceful of the inside runner of the pump body, so that satisfy the excrement and urine emission in livestock breeding place and the septic of living cell and discharge, the effectual probability that has reduced the jam damage has improved application scope, has consequently increased this submerged motor pump's practicality.

2. The utility model discloses a set up first bearing, second bearing and third bearing, because cooperation between first bearing, second bearing and the third bearing will make the rotor shaft more smooth at the pivoted in-process, reduced the wearing and tearing when the rotor shaft operates, improved the work efficiency of rotor shaft and open impeller self, consequently further increase this submerged motor pump's practicality.

Drawings

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

In the figure: 1. a base; 2. a pump body; 3. a pump cover; 4. a lower bearing seat; 5. a stator housing; 6. an upper bearing seat; 7. a first bearing; 8. a stator; 9. a rotor shaft; 10. a core block; 11. an open impeller; 12. a second bearing; 13. a third bearing; 14. a sealing block; 15. a top cover; 16. and a liquid discharge pipe.

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.

As shown in figure 1, the utility model provides a high-efficient sewage, filth submerged motor pump suitable for mud, sand, dirty liquid mixed medium, including base 1, the fixed intercommunication in top of base 1 has the pump body 2, the fixed intercommunication in top of pump body 2 has pump cover 3, the fixed mounting in top of pump cover 3 has step 4, the fixed mounting in top of step 4 has stator shell 5, stator shell 5 adopts purpose-made seamless steel pipe welding to form, compared with conventional casting stator shell, have small, light in weight, advantages such as machining precision is high and the heat dissipation is good, simultaneously there are not defects such as gas pocket and sand hole that form in the casting process, so the pump operation is more stable, efficiency is higher, the fixed mounting in top of stator shell 5 has top cap 15, all fixed mounting has upper bearing seat 6 between the inside of stator shell 5 top and the inside of top cap 15 bottom, the middle part fixed mounting of upper bearing seat 6 inner chamber has first bearing 7, stator 8 is fixedly mounted on two sides of the inner cavity of the stator shell 5, a rotor shaft 9 is fixedly sleeved inside the first bearing 7, the bottom end of the rotor shaft 9 sequentially penetrates through the lower bearing seat 4 and the pump cover 3 and extends to the inside of the pump body 2, and an open impeller 11 is fixedly sleeved on the bottom end of the rotor shaft 9.

Wherein, the fixed cover of the surface of rotor shaft 9 has connect the second bearing 12 that is located the inside of step 4, and the inner wall fixed connection of the surface of second bearing 12 and step 4 will make rotor shaft 9 more smooth at the pivoted in-process because the design of second bearing 12.

Wherein, rotor shaft 9's external surface fixation cup joints the third bearing 13 that is located second bearing 12 top, the surface of third bearing 13 both sides and the inner wall fixed connection of step 4, the bottom of third bearing 13 and the top fixed connection of second bearing 12, because the design of third bearing 13, will further improvement rotor shaft 9 pivoted smoothness degree, work efficiency when having increased rotor shaft 9 operation.

Wherein, the fixed cover of the surface of rotor shaft 9 has connect the iron core piece 10 that is located stator 8 inside, and the middle part fixed mounting of the 4 inner chambers of step has sealed piece 14, and the inner wall of sealed piece 14 and the surface swing joint of rotor shaft 9 because the design of sealed piece 14 will have strengthened the sealed effect to rotor shaft 9 to liquid has been avoided soaking the inside to step 4.

Wherein, all adopt the bolt to carry out erection joint between base 1, the pump body 2, pump cover 3, step 4, stator shell 5 and the top cap 15, because bolted connection's mode, will be convenient for staff's later stage to dismantle the maintenance to it.

A drain pipe 16 is fixedly communicated with the left side of the pump body 2, and liquid is introduced from the base 1 and is discharged from the drain pipe 16.

The utility model discloses a theory of operation and use flow: when this submerged motor pump circular telegram, will produce magnetic field between stator 8 and the iron core piece 10, rotor shaft 9 will produce rotatoryly by electromagnetic torque's influence this moment, thereby drive open impeller 11 and rotate, and external foul solution will enter into the inside of the pump body 2 through base 1, discharge in the fluid-discharge tube 16 will be followed finally, and at this in-process, because the cooperation between first bearing 7, second bearing 12 and the third bearing 13, will make rotor shaft 9 more smooth at the pivoted in-process, the wearing and tearing of rotor shaft 9 self have been reduced, the work efficiency of rotor shaft 9 and open impeller 11 has been improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 (6)

1. High-efficient sewage, filth submerged motor pump suitable for mud, sand, foul solution mixed medium, including base (1), its characterized in that: the top of the base (1) is fixedly communicated with a pump body (2), the top of the pump body (2) is fixedly communicated with a pump cover (3), a lower bearing seat (4) is fixedly arranged at the top of the pump cover (3), a stator shell (5) is fixedly arranged at the top of the lower bearing seat (4), a top cover (15) is fixedly arranged at the top of the stator shell (5), an upper bearing seat (6) is fixedly arranged between the inside of the top end of the stator shell (5) and the inside of the bottom end of the top cover (15), a first bearing (7) is fixedly arranged in the middle of the inner cavity of the upper bearing seat (6), stators (8) are fixedly arranged on both sides of the inner cavity of the stator shell (5), the inside of first bearing (7) is fixed to be cup jointed rotor shaft (9), the bottom of rotor shaft (9) runs through step (4) and pump cover (3) in proper order and extends to the inside of the pump body (2) and fixed the cup joint has open impeller (11).

2. The high-efficiency submersible electric pump for sewage and sewage applicable to mud, sand and sewage mixed media as claimed in claim 1, wherein the pump comprises: the outer surface of the rotor shaft (9) is fixedly sleeved with a second bearing (12) located inside the lower bearing seat (4), and the outer surface of the second bearing (12) is fixedly connected with the inner wall of the lower bearing seat (4).

3. The high-efficiency submersible electric pump for sewage and sewage applicable to mud, sand and sewage mixed media as claimed in claim 1, wherein the pump comprises: the outer surface of the rotor shaft (9) is fixedly sleeved with a third bearing (13) located above the second bearing (12), the outer surfaces of two sides of the third bearing (13) are fixedly connected with the inner wall of the lower bearing seat (4), and the bottom of the third bearing (13) is fixedly connected with the top of the second bearing (12).

4. The high-efficiency submersible electric pump for sewage and sewage applicable to mud, sand and sewage mixed media as claimed in claim 1, wherein the pump comprises: the outer surface of the rotor shaft (9) is fixedly sleeved with a core block (10) positioned inside the stator (8), the middle part of the inner cavity of the lower bearing seat (4) is fixedly provided with a sealing block (14), and the inner wall of the sealing block (14) is movably connected with the outer surface of the rotor shaft (9).

5. The high-efficiency submersible electric pump for sewage and sewage applicable to mud, sand and sewage mixed media as claimed in claim 1, wherein the pump comprises: the base (1), the pump body (2), the pump cover (3), the lower bearing seat (4), the stator shell (5) and the top cover (15) are connected and installed through bolts.

6. The high-efficiency submersible electric pump for sewage and sewage applicable to mud, sand and sewage mixed media as claimed in claim 1, wherein the pump comprises: and a liquid discharge pipe (16) is fixedly communicated with the left side of the pump body (2).

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