CN214998238U

CN214998238U - Submerged sewage pump

Info

Publication number: CN214998238U
Application number: CN202120566056.9U
Authority: CN
Inventors: 何海翔; 景瑞; 董虎; 满敬江; 李阿蓉
Original assignee: Sanlianpump Industry Co ltd
Current assignee: Sanlianpump Industry Co ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-12-03
Anticipated expiration: 2031-03-19

Abstract

The utility model discloses a submerged sewage pump, which comprises a pump body and a crushing box, wherein a sleeve is fixedly installed at the top of the pump body, a mounting flange is fixedly installed at the top of the sleeve, a first motor is fixedly installed on the upper side of the mounting flange through a bolt, a transmission shaft is fixedly installed at the output end of the first motor, the bottom end of the transmission shaft penetrates through the pump body and is fixedly connected with an impeller inside the pump body, a fixed plate is fixedly installed at the right side of the mounting flange, a liquid outlet pipe communicated with the inside of the pump body is arranged at the right side of the pump body, a partition plate is fixedly installed inside the crushing box and divides the crushing box into a sealing area and a crushing area, a rotating shaft is arranged in the crushing area, the right end of the rotating shaft is rotatably connected with the side wall of the crushing box, and a plurality of groups of crushing knives are fixedly installed in the middle part of the rotating shaft; the utility model relates to a dredge pump technical field avoids causing the drain pipe to block up, improves the life of dredge pump.

Description

Submerged sewage pump

The technical field is as follows:

the utility model relates to a dredge pump technical field, concretely relates to submerged dredge pump.

Background art:

the submerged sewage pump is a new generation pump product which is successfully developed by combining the use characteristics of domestic water pumps on the basis of introducing foreign advanced technology, and has the characteristics of obvious energy-saving effect, spinning winding, no blockage, automatic installation, automatic control and the like. Has unique effect on the aspect of discharging solid particles and long fiber garbage. The product pump adopts a unique impeller structure and a novel mechanical seal, and can effectively convey solid and long fibers. Compared with the traditional impeller, the impeller of the pump adopts a single-channel or double-channel form, is similar to a bent pipe with the same section size, has very good overflowing performance, and is provided with a reasonable volute, so that the pump has high efficiency, and the impeller has no vibration and low noise in the running process through a dynamic and static balance test.

The existing submerged sewage pump is difficult to crush the sewage in the sewage pump, and the sewage outlet is easily blocked if the particles of the sewage are large in the crushing process, meanwhile, the impurity particles can cause abrasion to the pump body and the impeller, and the service life of the sewage pump is shortened.

The utility model has the following contents:

to the problem among the prior art, the utility model aims to provide a sewage pump under liquid.

The utility model discloses the technical problem that will solve adopts following technical scheme to realize: a submerged sewage pump comprises a pump body and a crushing box, wherein a base is fixedly arranged at the bottom of the pump body, the crushing box is fixedly arranged at the bottom of the base, a liquid inlet pipe is arranged inside the base, the upper end of the liquid inlet pipe is communicated with the inside of the pump body, and the lower end of the liquid inlet pipe penetrates through the top wall of the crushing box and is communicated with the inside of the crushing box;

the pump comprises a pump body, a transmission shaft, a fixed plate, a drain pipe, a bent pipe and a bolt, wherein a sleeve is fixedly installed at the top of the pump body, an installation flange is fixedly installed at the top of the sleeve, a first motor is fixedly installed on the upper side of the installation flange through the bolt, the output end of the first motor is fixedly installed with the transmission shaft, the bottom end of the transmission shaft penetrates through the pump body and is fixedly connected with an impeller inside the pump body, the right side of the installation flange is fixedly installed with the fixed plate, the right side of the pump body is provided with the drain pipe communicated with the inside of the pump body, the drain pipe is a bent pipe, and one end, far away from the pump body, of the drain pipe penetrates through the fixed plate;

smash the case right-hand member and be equipped with the inlet, smash the inside fixed mounting of case and have the baffle, the baffle will smash the case and separate into sealing area and crushing district, fixed mounting has the second motor in the sealing area, smash and be equipped with the pivot in the district, the pivot right-hand member rotates with crushing case lateral wall to be connected, the pivot left end runs through the baffle and rather than rotate to be connected, the pivot left end passes through shaft coupling fixed connection with the output shaft of second motor, pivot middle part fixed mounting has a plurality of groups and smashes the sword.

Preferably, the crushing area on the right side of the crushing box is in a shape of a circular truncated cone, and the lengths of the crushing knives are sequentially reduced from left to right.

Preferably, the housing of the pump body and the impeller therein are made of a composite material comprising abrasive particles and a resin binder.

Preferably, pivot middle part fixed mounting has the sliding sleeve, sliding sleeve outside fixed mounting has the filter screen, filter screen outside fixed mounting has the crown plate, the crown plate passes through the sliding tray and smashes the case rotation and be connected, the filter screen is located feed liquor pipe and left side and smashes between the sword.

Preferably, the outer side of the ring plate is provided with an arc-shaped groove, a ball is connected in the arc-shaped groove in a rolling manner, and the ball is in rolling contact with the bottom of the sliding groove.

Preferably, the sliding sleeve inboard is equipped with the draw-in groove, pivot middle part fixed mounting has the parallel key, the parallel key and draw-in groove joint.

Preferably, a sealing ring is arranged at the joint of the ring plate and the sliding groove.

Preferably, the top end of the transmission shaft is fixedly provided with a secondary impeller, the secondary impeller is positioned on the lower side of the mounting flange, the side wall of the top end of the sleeve is provided with a backflow hole, and the backflow hole and the secondary impeller are positioned on the same horizontal line.

Preferably, limiting plates are fixedly mounted on the left side and the right side of the upper end of the liquid outlet pipe, and the limiting plates are abutted to the upper surface of the fixing plate.

The utility model has the advantages that:

1. the utility model provides a pair of sewage pump under liquid drives the pivot rotation through the second motor, and then drives crushing sword and rotate, carries out shredding to the filth impurity that gets into crushing case, but the angular velocity of crushing sword is the same but the length difference leads to the linear velocity different for the crushing sword of different length can be smashed the impurity of difference, improves crushing effect, reduces the filth and gets into and cause wearing and tearing to the pump body in the pump body, improve device life.

2. The utility model provides a pair of dredge pump under liquid pays the impeller through setting up at the transmission shaft top for a small amount of liquid that enters into the cover intraductal flows from the backward flow hole of sleeve pipe lateral wall under the pressure of paying the impeller, protects first motor.

3. The utility model provides a pair of sewage pump under liquid through the filter screen that sets up between feed liquor pipe and the left side crushing sword, blocks the impurity of great granule in the filth, and the sword can carry out more meticulous processing to filth impurity is smashed in the cooperation simultaneously, and the impurity of only allowing granule is followed sewage and is discharged, avoids causing the drain pipe to block up.

Description of the drawings:

in order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts;

FIG. 1 is a schematic view of the internal structure of the box body of the present invention;

FIG. 2 is a schematic view of the left side structure of the filter screen of the present invention;

FIG. 3 is a schematic view of a connection structure of the rotating shaft and the sliding sleeve in the present invention;

FIG. 4 is an enlarged view of a portion A of FIG. 1;

fig. 5 is a schematic view of the installation position of the limiting plate in the present invention;

wherein: 1. a pump body; 2. a sleeve; 201. a return orifice; 3. installing a flange; 4. a first motor; 5. a fixing plate; 6. a liquid outlet pipe; 7. a limiting plate; 8. a drive shaft; 9. a base; 10. a crushing box; 1001. a liquid inlet; 1002. a sliding groove; 11. a partition plate; 12. a second motor; 13. a rotating shaft; 14. a coupling; 15. a crushing knife; 16. a sliding sleeve; 1601. a card slot; 17. a flat bond; 18. a filter screen; 19. a ring plate; 1901. an arc-shaped slot; 20. a ball bearing; 21. a seal ring; 22. a secondary impeller; 23. a liquid inlet pipe.

The specific implementation mode is as follows:

in order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.

Example 1:

as shown in fig. 1-4; a submerged sewage pump comprises a pump body 1 and a crushing box 10, wherein a base 9 is fixedly installed at the bottom of the pump body 1, the crushing box 10 is fixedly installed at the bottom of the base 9, a liquid inlet pipe 23 is arranged inside the base 9, the upper end of the liquid inlet pipe 23 is communicated with the inside of the pump body 1, and the lower end of the liquid inlet pipe 23 penetrates through the top wall of the crushing box 10 and is communicated with the inside of the crushing box 10; increase crushing case in 1 bottom of the pump body and effectively solved the problem that drain pipe blockked up in the traditional dredge pump use, can play the effect that reduces focus simultaneously, increase device stability.

The pump comprises a pump body 1, a sleeve 2, a mounting flange 3, a first motor 4, a transmission shaft 8, a fixing plate 5, a liquid outlet pipe 6 communicated with the interior of the pump body 1, a bent pipe 6 and a liquid outlet pipe 6, wherein the sleeve 2 is fixedly mounted at the top of the pump body 1, the mounting flange 3 is fixedly mounted at the top of the sleeve 2, the first motor 4 is fixedly mounted at the upper side of the mounting flange 3 through a bolt, the transmission shaft 8 is fixedly mounted at the output end of the first motor 4, the bottom end of the transmission shaft 8 penetrates through the pump body 1 and is fixedly connected with an impeller inside the transmission shaft, the fixing plate 5 is fixedly mounted at the right side of the mounting flange 3, the liquid outlet pipe 6 is arranged at the right side of the pump body 1 and is communicated with the interior of the pump body, and the liquid outlet pipe 6 penetrates through the fixing plate 5 at the end far away from the pump body 1;

smash case 10 right-hand member and be equipped with inlet 1001, smash the inside fixed mounting of case 10 and have baffle 11, baffle 11 will smash case 10 and separate into sealing area and crushing district, fixed mounting has second motor 12 in the sealing area, smash and be equipped with pivot 13 in the district, pivot 13 right-hand member rotates with crushing case 10 lateral wall to be connected, pivot 13 left end runs through baffle 11 and rotates rather than being connected, pivot 13 left end passes through shaft coupling 14 fixed connection with the output shaft of second motor 12, pivot 13 middle part fixed mounting has a plurality of groups to smash sword 15. It is rotatory to drive pivot 13 through second motor 12, and then drives crushing sword 15 and rotate, carries out shredding to the filth impurity that gets into crushing case 10, reduces the direct pump body that gets into of large granule filth impurity and causes wearing and tearing to the pump body, improves device life.

The crushing zone on the right side of the crushing box 10 is in a circular truncated cone shape, and the lengths of the crushing knives 15 are sequentially reduced from left to right. The same angular velocity of smashing sword 15 but the length difference leads to the linear velocity different for the crushing sword 15 of different length can smash different impurity, improves crushing effect.

The shell of the pump body 1 and the impeller inside the shell are made of composite materials, the composite materials comprise abrasive particles and resin adhesives, the wear resistance of the sewage pump is improved, and the composite materials are matched with the crushing box 10 to prolong the service life of the device.

The middle part of the rotating shaft 13 is fixedly provided with a sliding sleeve 16, the outer side of the sliding sleeve 16 is fixedly provided with a filter screen 18, the outer side of the filter screen 18 is fixedly provided with a ring plate 19, the ring plate 19 is rotatably connected with the crushing box 10 through a sliding groove 1002, and the filter screen 18 is positioned between a liquid inlet pipe 23 and the left-most crushing knife 15. Through filter screen 18 that sets up between feed liquor pipe 28 and leftmost crushing sword 15, block the impurity of great granule in the filth, the cooperation is simultaneously smashed sword 15 and can be carried out more meticulous processing to filth impurity, only allows the impurity of granule to follow sewage discharge, avoids causing drain pipe 6 to block up.

An arc-shaped groove 1901 is formed in the outer side of the annular plate 19, a ball 20 is connected to the arc-shaped groove 1901 in a rolling mode, and the ball 20 is in rolling contact with the bottom of the sliding groove 1002, so that friction force in the rotating process is reduced.

16 inboards of sliding sleeve are equipped with draw-in

groove

1601, 13 middle part fixed mounting of pivot has flat key 17, flat key 17 and draw-in groove 1601 joint.

The sealing ring 21 is arranged at the joint of the annular plate 19 and the sliding groove 1002, so that the sealing performance is improved, and sewage and impurities are prevented from entering the sliding groove 1002.

The top end of the transmission shaft 8 is fixedly provided with a secondary impeller 22, the secondary impeller 22 is positioned on the lower side of the mounting flange 3, the side wall of the top end of the sleeve 2 is provided with a backflow hole 201, and the backflow hole 201 and the secondary impeller 22 are positioned on the same horizontal line. The first motor 4 is protected by arranging the auxiliary impeller 22 on the top of the transmission shaft 8, so that a small amount of liquid entering the casing 2 flows out from the return hole 201 on the side wall of the casing 2 under the pressure of the auxiliary impeller 22.

Example 2:

as shown in fig. 1-5; a submerged sewage pump comprises a pump body 1 and a crushing box 10, wherein a base 9 is fixedly installed at the bottom of the pump body 1, the crushing box 10 is fixedly installed at the bottom of the base 9, a liquid inlet pipe 23 is arranged inside the base 9, the upper end of the liquid inlet pipe 23 is communicated with the inside of the pump body 1, and the lower end of the liquid inlet pipe 23 penetrates through the top wall of the crushing box 10 and is communicated with the inside of the crushing box 10; increase crushing case in 1 bottom of the pump body and effectively solved the problem that drain pipe blockked up in the traditional dredge pump use, can play the effect that reduces focus simultaneously, increase device stability.

16 inboards of sliding sleeve are equipped with draw-in

groove

The equal fixed mounting in the upper end left and right sides of drain pipe 6 has limiting plate 7, limiting plate 7 and 5 upper surface butt of fixed plate improve the installation intensity of drain pipe 6, make its steady operation.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A submerged sewage pump is characterized in that: the pump comprises a pump body (1) and a crushing box (10), wherein a base (9) is fixedly installed at the bottom of the pump body (1), the crushing box (10) is fixedly installed at the bottom of the base (9), a liquid inlet pipe (23) is arranged inside the base (9), the upper end of the liquid inlet pipe (23) is communicated with the inside of the pump body (1), and the lower end of the liquid inlet pipe (23) penetrates through the top wall of the crushing box (10) and is communicated with the inside of the crushing box (10);

the improved pump is characterized in that a sleeve (2) is fixedly mounted at the top of the pump body (1), a mounting flange (3) is fixedly mounted at the top of the sleeve (2), a first motor (4) is fixedly mounted on the upper side of the mounting flange (3) through a bolt, a transmission shaft (8) is fixedly mounted at the output end of the first motor (4), the bottom end of the transmission shaft (8) penetrates through the pump body (1) and is fixedly connected with an inner impeller, a fixing plate (5) is fixedly mounted on the right side of the mounting flange (3), a liquid outlet pipe (6) communicated with the inner part of the pump body is arranged on the right side of the pump body (1), the liquid outlet pipe (6) is a bent pipe, and one end, far away from the pump body (1), of the liquid outlet pipe (6) penetrates through the fixing plate (5);

smash case (10) right-hand member and be equipped with inlet (1001), smash the inside fixed mounting of case (10) and have baffle (11), baffle (11) will smash case (10) and separate into sealing area and crushing district, fixed mounting has second motor (12) in the sealing area, be equipped with pivot (13) in the crushing district, pivot (13) right-hand member rotates with crushing case (10) lateral wall to be connected, pivot (13) left end runs through baffle (11) and rather than rotate to be connected, pivot (13) left end passes through shaft coupling (14) fixed connection with the output shaft of second motor (12), pivot (13) middle part fixed mounting has a plurality of groups to smash sword (15).

2. A submersible sewage pump as defined in claim 1 wherein: the crushing area on the right side of the crushing box (10) is in a circular truncated cone shape, and the length of the crushing cutter (15) is reduced from left to right in sequence.

3. A submersible sewage pump as defined in claim 1 wherein: the shell of the pump body (1) and the impeller inside the shell are made of composite materials, and the composite materials comprise abrasive particles and resin adhesive.

4. A submersible sewage pump as defined in claim 1 wherein: pivot (13) middle part fixed mounting has sliding sleeve (16), sliding sleeve (16) outside fixed mounting has filter screen (18), filter screen (18) outside fixed mounting has crown plate (19), crown plate (19) are connected with smashing case (10) rotation through sliding tray (1002), filter screen (18) are located feed liquor pipe (23) and smash between sword (15) the leftmost side.

5. A submersible sewage pump as set forth in claim 4, wherein: the outer side of the ring plate (19) is provided with an arc-shaped groove (1901), a ball (20) is connected in the arc-shaped groove (1901) in a rolling mode, and the ball (20) is in rolling contact with the bottom of the sliding groove (1002).

6. A submersible sewage pump as set forth in claim 4, wherein: sliding sleeve (16) inboard is equipped with draw-in groove (1601), pivot (13) middle part fixed mounting has flat key (17), flat key (17) and draw-in groove (1601) joint.

7. A submersible sewage pump as set forth in claim 4, wherein: and a sealing ring (21) is arranged at the joint of the ring plate (19) and the sliding groove (1002).

8. A submersible sewage pump as defined in claim 1 wherein: transmission shaft (8) top fixed mounting has vice impeller (22), it is located mounting flange (3) downside to pay impeller (22), sleeve pipe (2) top lateral wall is equipped with backward flow hole (201), backward flow hole (201) are located same water flat line with vice impeller (22).

9. A submersible sewage pump as defined in claim 1 wherein: the liquid outlet pipe is characterized in that limiting plates (7) are fixedly mounted on the left side and the right side of the upper end of the liquid outlet pipe (6), and the limiting plates (7) are abutted to the upper surface of the fixing plate (5).