CN215927800U

CN215927800U - Horizontal sewage pump

Info

Publication number: CN215927800U
Application number: CN202121110476.2U
Authority: CN
Inventors: 陈兴贵
Original assignee: Fujian Fu'an Star Motor Co ltd
Current assignee: Fujian Fu'an Star Motor Co ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2022-03-01
Anticipated expiration: 2031-05-24

Abstract

The utility model discloses a horizontal sewage pump which comprises a pump body, a rotating motor, a suction pipe, a water outlet pipe, a water diversion chamber, an impeller and a pump shaft, wherein a water tank is arranged on the pump body, a water filling port and an outlet pipe are arranged at the top of the water tank, and an exhaust valve is arranged on the side wall of the water tank; the dynamic balance support is stable, ensures reliable action, is convenient to disassemble, assemble, connect and replace, can disperse large media, avoids the sewage medium from agglomerating and blocking an impeller, avoids blocking, improves the sewage discharge capacity, and meets the use requirement.

Description

Horizontal sewage pump

Technical Field

The utility model relates to a sewage pump, in particular to a horizontal sewage pump.

Background

The horizontal sewage pump is a pump product with the pump and the motor connected, has smaller floor area compared with the vertical sewage pump, and is widely applied to suction matching systems of occasions containing solid shells or fibers and precipitated slurry, such as enterprise wastewater, urban sewage treatment, slurry discharge, tap water supply, farmland irrigation, exploration mines, water treatment, fire fighting systems and the like. The horizontal sewage pump in the prior art generally adopts a pipeline pump body to be internally provided with an impeller, a pump shaft electric impeller driven by a rotary motor synchronously rotates to generate high-speed centrifugation to convey a medium of a pump suction pipe to a volute outlet for pumping, and the impeller and a pump body flow channel are easily blocked due to the small buckling diameter of a suction pipeline and an outlet pipeline and the agglomeration performance of a sewage medium, and meanwhile, the liquid storage in the pump body is insufficient, the priming is difficult to realize, so that the operation is difficult, the sewage discharge capability is poor, and the use is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a horizontal sewage pump to solve the technical problem.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a horizontal blowdown water pump, includes the pump body and rotating electrical machines, is equipped with the suction tube, outlet pipe and the diversion chamber of intercommunication on the pump body, is equipped with the impeller in the diversion chamber, and the motor shaft of rotating electrical machines is connected with the pump shaft with impeller synchronous revolution, its characterized in that: the water diversion chamber is provided with a through hole, the pump body is provided with a water tank which is communicated with the through hole and is connected with the suction pipe and the outer wall of the pump body, the top of the water tank is provided with a water filling port and an outlet pipe, and the side wall of the water tank is provided with an exhaust valve; the utility model discloses a pump, including diversion chamber, pump shaft, bearing, pump shaft end, suction pipe, connecting rod, diversion chamber, pump shaft, bearing, pump shaft end, connecting rod, diversion chamber one side is equipped with the axle bed that links to each other with the pump body, be equipped with the cover in the outside bearing of pump shaft on the axle bed, be equipped with first annular on the pump shaft, bearing one side is equipped with the cover in first annular outside, and the gland that links to each other with axle bed and rotating electrical machines, the pump shaft tip is equipped with the dispersion subassembly of arranging the suction pipe in, and the dispersion subassembly includes fixed connection in the epaxial axle sleeve of pump to and set up the outer loop of rotating electrical machines one side of keeping away from in the axle sleeve, the outer bilateral symmetry of axle sleeve is provided with the connecting rod that links to each other with the outer loop, the connecting rod radially sets up along the outer loop, and the bilateral symmetry of connecting rod is provided with the cutting piece that is used for cutting blowdown medium, is equipped with the external screw thread on the axle sleeve, and the axle sleeve is equipped with anti-blocking piece through external screw thread cover.

Preferably, the anti-blocking piece comprises an inner ring, an outer ring and fixing rods connected between the outer ring and the inner ring, the inner ring is in threaded connection with the shaft sleeve, the fixing rods are circumferentially arranged along the outer wall of the inner ring, and a cutting rope is connected between every two adjacent fixing rods.

Preferably, the inner ring, the outer ring and the fixing rod are surrounded to form a dirt passing opening, and the cutting ropes are uniformly distributed in the dirt passing opening.

Preferably, the inside of the diversion chamber is provided with a first boss in clearance fit with one side of the impeller, the impeller is provided with a second boss, and the shaft seat is provided with a third boss in clearance fit with the inner wall of the second boss.

Preferably, the pump body is provided with a second annular groove, and the shaft seat is provided with a fourth boss in clearance fit with the second annular groove.

Preferably, a fifth boss in clearance fit with the outside of the bearing is arranged on the shaft seat, an oil chamber located outside the bearing is arranged in the shaft seat, an oil plug is arranged at the top of the oil chamber side, and sealing gaskets are arranged between the bearing and the shaft seat and between the bearing and the gland.

Compared with the prior art, the utility model has the beneficial effects that:

the first boss of the diversion chamber is in clearance fit with the impeller for limiting, the inner wall of the second boss is in clearance fit with the third boss of the shaft seat for positioning and installing the impeller, the shaft seat is in clearance fit with the second annular groove of the pump body through the fourth boss, a sealing gasket and a bearing which are positioned outside the pump shaft are sleeved in the fifth boss, the sealing effect of the pump shaft position is achieved, lubricating oil is injected into the oil chamber to ensure the lubricating property between the bearing and the pump shaft, the structure is compact, the dynamic balance support is stable, the action is reliable, and the disassembly, assembly, connection and replacement are convenient; the connecting rod with the cutting piece is arranged on the shaft sleeve, so that large media in sewage can be subjected to rotary cutting when the pump shaft rotates, and the media in the sewage can be effectively dispersed by matching with the cutting rope between the inner ring and the outer ring, so that a good anti-blocking effect is achieved; the water storage impeller is filled with water to supplement water in the water tank, the water storage impeller pumps the water at a high speed in a centrifugal mode in the rotating process, air is entrained to be led out from the exhaust valve to enable the pump to form a certain vacuum degree, and the self-priming effect is achieved, so that the water diversion and filling operation is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings 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 it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is an explanatory view of the whole of the present embodiment;

fig. 2 is a schematic structural view of the highlighted shaft sleeve of the embodiment.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a rotating electric machine; 2. a water outlet pipe; 3. a diversion chamber; 4. an impeller; 5. a pump shaft; 6. a water tank; 7. a water injection port; 9. an exhaust valve; 10. a shaft seat; 11. a bearing; 12. a gland; 13. a shaft sleeve; 14. an outer ring; 15. a connecting rod; 16. cutting the slices; 17. an inner ring; 18. an outer ring; 19. fixing the rod; 20. cutting the rope; 21. a first boss; 22. a second boss; 23. a third boss; 24. a fourth boss; 25. a fifth boss; 26. an oil chamber; 27. and (4) an oil plug.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a horizontal sewage pump comprises a pump body and a rotating motor 1, wherein a suction pipe, a water outlet pipe 2 and a diversion chamber 3 which are communicated are arranged on the pump body, an impeller 4 is arranged in the diversion chamber 3, a motor shaft of the rotating motor 1 is connected with a pump shaft 5 which rotates synchronously with the impeller 4, a through hole is arranged on the diversion chamber 3, a water tank 6 which is communicated with the through hole and is connected with the suction pipe and the outer wall of the pump body is arranged on the pump body, a water filling port 7 and an outlet pipe are arranged at the top of the water tank 6, and an exhaust valve 9 is arranged on the side wall of the water tank 6; the diversion chamber 3 one side is equipped with the axle bed 10 that links to each other with the pump body, be equipped with on the axle bed 10 and overlap in the outside bearing 11 of pump shaft 5, be equipped with first annular on the pump shaft 5, bearing 11 one side is equipped with the cover in first annular outside, and the gland 12 that links to each other with axle bed 10 and rotating

electrical machines

1, 5 tip of pump shaft is equipped with the dispersion subassembly of arranging in the suction tube in, the dispersion subassembly includes fixed connection in the epaxial axle sleeve 13 of pump shaft 5, and set up in axle sleeve 13 and keep away from the outer loop 14 of rotating electrical machines 1 one side, the outer bilateral symmetry of axle sleeve 13 is provided with the connecting rod 15 that links to each other with outer loop 14, connecting rod 15 radially sets up along outer loop 14, the bilateral symmetry of connecting rod 15 is provided with the cutting piece 16 that is used for cutting blowdown medium, be equipped with the external screw thread on the axle sleeve 13 outer wall, axle sleeve 13 is equipped with anti-blocking through external screw thread cover.

Specifically, the anti-blocking piece comprises an inner ring 17, an outer ring 18 and fixing rods 19 connected between the outer ring 18 and the inner ring 17, the inner ring 17 is connected to the shaft sleeve 13 in a threaded mode, the fixing rods 19 are arranged along the circumferential direction of the outer wall of the inner ring 17, and a cutting rope 20 is connected between every two adjacent fixing rods 19.

Specifically, the inner ring 17, the outer ring 18 and the fixing rod 19 surround to form a dirt passing opening, the cutting ropes 20 are uniformly arranged in the dirt passing opening, and what needs to be described is that: after the cutting rope 20 is arranged, a plurality of through openings can be formed, and the medium is smaller than the through openings and can enter the impeller 4, so that blockage is effectively avoided.

Specifically, a first boss 21 in clearance fit with one side of the impeller 4 is arranged in the diversion chamber 3, a second boss 22 is arranged on the impeller 4, and a third boss 23 in clearance fit with the inner wall of the second boss 22 is arranged on the shaft seat 10.

Specifically, a second annular groove is formed in the pump body, and a fourth boss 24 in clearance fit with the second annular groove is arranged on the shaft seat 10.

Specifically, be equipped with on the axle bed 10 with the outside clearance fit's of bearing 11 fifth boss 25, be equipped with in the axle bed 10 and be located the outside grease chamber 26 of bearing 11, grease chamber 26 side top is equipped with oil plug 27, all is equipped with seal ring between bearing 11 and axle bed 10 and the gland 12.

One specific application example of this embodiment is:

when the device is used, the shaft sleeve 13 and the impeller 4 are sleeved outside the pump shaft 5 and are matched with the key groove to rotate synchronously, the end part of the pump shaft 5 is locked by a nut, the inner ring 17 is rotated, the distance between the inner ring 17 and the shaft sleeve 13 is adjusted, a better connection effect is achieved, the pump shaft 5 with the dispersion component and the impeller 4 is arranged in the diversion chamber 3 of the pump body, the first boss 21 is in clearance fit with the impeller 4 for limiting, the dispersion component is arranged in the suction pipe, the other side of the impeller 4 is in clearance fit with the third boss 23 of the shaft seat 10 through the inner wall of the second boss 22 for positioning, and the shaft seat 10 is in clearance fit with the second ring groove of the pump body through the fourth boss 24 for improving the sealing performance;

after the shaft seat 10 is connected with the pump body through a bolt, a sealing washer and a bearing 11 which are positioned outside the pump shaft 5 are sleeved in the fifth boss 25 to play a role in sealing the position of the pump shaft 5, the gland 12 with the Z-shaped section is sleeved on the first annular groove of the pump shaft 5 to realize the positioning and installation of the pump shaft 5 and the bearing 11, the motor shaft of the rotating motor 1 is positioned between the gland 12 and the rotating motor 1 to realize synchronous rotating drive through key groove matching, the rotating motor 1, the gland 12 and the shaft seat 10 are fixedly installed through bolt connection, the whole water pump is fixedly supported by the base, and the water pump is compact in structure, stable in support, convenient to disassemble, assemble and replace;

when the device is operated, the end parts of the suction pipe and the outlet pipe are connected into a pipeline of a sewage discharge system, a motor shaft of the rotating motor 1 drives the dispersing component and the impeller 4 to rotate synchronously under the dynamic balance and stable support of the bearing 11, and the oil plug 27 is opened to inject lubricating oil into the oil chamber 26 to ensure the lubricating property between the bearing 11 and the pump shaft 5;

after the pump body is used, water is stored inside the pump body or the water is injected into the water tank 6 until the water is replenished into the through hole by opening the water injection port 7, the exhaust valve 9 is opened, the impeller 4 pumps the stored water at a high speed in a centrifugal mode in the rotation process, air is entrained to discharge liquid upwards, the air is discharged out of the pump through the exhaust valve 9, a certain vacuum degree is formed in the pump, the exhaust valve 9 is closed after the self-priming effect is achieved, and the operation of water diversion and water filling is avoided;

by the induction pipe to 3 diversion rooms of diversion, when dispersion subassembly was rotatory along with pump shaft 5, cutting piece 16 will cut great medium in the sewage, little medium rethread cutting rope 20 side can continue to get into impeller 4 for break up blowdown medium, avoid the blowdown medium to reunite and block up impeller 4, impeller 4 makes the blowdown medium get into water tank 6 back in the through-hole in 3 diversion rooms of diversion, finally discharge from the outlet pipe, and convenient operation avoids blockking up, so that improve the blowdown ability, and the user demand is satisfied.

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 drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "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; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the 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 would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the claims and their equivalents.

Claims

1. The utility model provides a horizontal blowdown water pump, includes the pump body and rotating electrical machines (1), is equipped with the suction tube, outlet pipe (2) and diversion chamber (3) of intercommunication on the pump body, is equipped with impeller (4) in diversion chamber (3), and the motor shaft of rotating electrical machines (1) is connected with pump shaft (5) with impeller (4) synchronous revolution, its characterized in that: a through hole is formed in the diversion chamber (3), a water tank (6) which is communicated with the through hole and is connected with the suction pipe and the outer wall of the pump body is arranged on the pump body, a water filling port (7) and an outlet pipe are arranged at the top of the water tank (6), and an exhaust valve (9) is arranged on the side wall of the water tank (6); the utility model discloses a sewage pump, including diversion chamber (3), diversion chamber (3) one side is equipped with axle bed (10) that links to each other with the pump body, be equipped with bearing (11) of cover in pump shaft (5) outside on axle bed (10), be equipped with first annular on pump shaft (5), bearing (11) one side is equipped with the gland (12) that overlaps outside first annular, and link to each other with axle bed (10) and rotating electrical machines (1), pump shaft (5) tip is equipped with the dispersion subassembly of arranging in the suction tube in, and the dispersion subassembly includes axle sleeve (13) fixed connection on pump shaft (5) to and set up in axle sleeve (13) and keep away from outer ring (14) of rotating electrical machines (1) one side, the outer bilateral symmetry of axle sleeve (13) is provided with connecting rod (15) that link to outer ring (14), connecting rod (15) radially set up along outer ring (14), and the bilateral symmetry of connecting rod (15) is provided with cutting piece (16) that are used for cutting blowdown medium, the outer wall of the shaft sleeve (13) is provided with external threads, and the shaft sleeve (13) is sleeved with an anti-blocking piece through the external threads and the threads.

2. The horizontal sewage pump of claim 1, wherein: the anti-blocking piece comprises an inner ring (17), an outer ring (18) and a fixing rod (19) connected between the outer ring (18) and the inner ring (17), wherein the inner ring (17) is in threaded connection with the shaft sleeve (13), the fixing rod (19) is provided with a plurality of fixing rods along the circumferential direction of the outer wall of the inner ring (17), and a cutting rope (20) is connected between every two adjacent fixing rods (19).

3. The horizontal sewage pump of claim 2, wherein: the inner ring (17), the outer ring (18) and the fixing rod (19) are surrounded to form a dirt passing opening, and the cutting ropes (20) are uniformly distributed in the dirt passing opening.

4. The horizontal sewage pump of claim 1, wherein: the impeller is characterized in that a first boss (21) in clearance fit with one side of the impeller (4) is arranged inside the diversion chamber (3), a second boss (22) is arranged on the impeller (4), and a third boss (23) in clearance fit with the inner wall of the second boss (22) is arranged on the shaft seat (10).

5. The horizontal sewage pump of claim 4, wherein: the pump body is provided with a second annular groove, and the shaft seat (10) is provided with a fourth boss (24) in clearance fit with the second annular groove.

6. The horizontal sewage pump of claim 5, wherein: be equipped with on axle bed (10) with bearing (11) outside clearance fit's fifth boss (25), be equipped with in axle bed (10) and be located outside grease chamber (26) of bearing (11), grease chamber (26) side top is equipped with oil plug (27), all be equipped with seal ring between bearing (11) and axle bed (10) and gland (12).