CN216975309U

CN216975309U - Pump shaft convenient to disassemble and assemble commonly used in centrifugal pump assembly

Info

Publication number: CN216975309U
Application number: CN202220691543.2U
Authority: CN
Inventors: 张冲理; 刘圣义
Original assignee: Dalian Xinglong Weiye Machinery Manufacturing Co ltd
Current assignee: Dalian Xinglong Weiye Machinery Manufacturing Co ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-07-15
Anticipated expiration: 2032-03-28

Abstract

The utility model relates to the field of pump shafts of centrifugal pumps, in particular to a commonly used pump shaft convenient to disassemble for assembling a centrifugal pump, which comprises a pump body, wherein a tooth-shaped bulge is arranged on the outer wall of one side of a rotating shaft, a tooth-shaped bulge matched with the tooth-shaped bulge is arranged on the inner wall of a rotating motor, the rotating shaft can be inserted into the rotating motor, the rotating shaft can be connected with the rotating motor by arranging an installation plate and a third screw at one end of the tooth-shaped bulge, the installation and the disassembly of the rotating shaft are convenient, the impeller can be connected with the rotating shaft by a fourth screw by arranging an encapsulation plate, the encapsulation plate can be installed by a first screw, the installation and the disassembly of the impeller at one end of the rotating shaft are convenient, the inside of the pump body is convenient to clean by opening the encapsulation plate, the pump body and the motor shell can be conveniently disassembled by arranging a first installation block, a second screw and a second installation block, and a heat dissipation fan can dissipate heat for the rotating motor, the spring column is arranged between the upper base plate and the lower base plate, so that the shaking generated during the working of the pump body can be reduced.

Description

Pump shaft convenient to disassemble and assemble commonly used in centrifugal pump assembly

Technical Field

The utility model relates to the field of pump shafts of centrifugal pumps, in particular to a common pump shaft convenient to disassemble and assemble in a centrifugal pump.

Background

The centrifugal pump makes water generate centrifugal motion work by utilizing the rotation of the impeller, before the water pump is started, the pump body and the water suction pipe are required to be filled with water, then the motor is started, the transmission rod drives the rotating blades and the water to rotate at high speed, the water is subjected to the rotating force to generate centrifugal motion, is thrown to the outer edge of the impeller and flows into a water pressure pipeline of the water pump through a flow channel of the pump body.

There are the following problems:

the existing centrifugal pump is difficult to disassemble after being assembled, the inside of the centrifugal pump is often soaked by water, dirt is easy to generate, the inside of the centrifugal pump is difficult to clean due to the difficulty in disassembling, particularly, a pump shaft is usually the most difficult part to disassemble of the centrifugal pump, so that the maintenance efficiency is greatly reduced during maintenance, and the pump body is easy to shake due to the rotation of a motor when the centrifugal pump works.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a pump shaft which is convenient to disassemble and is commonly used for assembling a centrifugal pump.

In order to achieve the purpose, the utility model adopts the following technical scheme: a common pump shaft convenient to disassemble for assembling a centrifugal pump comprises a pump body, wherein one side of the pump body is connected with an encapsulating plate through a first screw thread, one side of the encapsulating plate is fixedly provided with a water inlet, the top end of the pump body is fixedly connected with a water outlet, the other side of the pump body is welded with a first installing block, the first installing block is connected with a second installing block through a second screw thread, one side of the second installing block is welded with a motor shell, a rotating motor is arranged in the motor shell, the inner wall of one side of the pump body is provided with a packing ring, the inner wall of the packing ring is provided with a shaft sleeve, the inner wall of the shaft sleeve is movably connected with a rotating shaft, the outer wall of one side of the rotating shaft is fixedly connected with a tooth-shaped bulge, one end of the tooth-shaped bulge is provided with an installing plate, the installing plate is connected with the rotating motor through a third screw thread, one end of the rotating shaft is provided with an impeller, and the center of the impeller is provided with a thread groove, threaded groove inner wall threaded connection fourth screw, motor housing top one end welding has the third installation piece, the third installation piece is through fifth screw threaded connection fourth installation piece, fourth installation piece one side welding fan housing, the fan housing inner wall is provided with radiator fan, the first support column of pump body bottom fixed connection, motor housing bottom fixed connection second support column, second support column bottom fixed connection upper plate, the upper plate bottom is provided with the spring post, the fixed installation lower plate in spring post bottom.

As a further description of the above technical solution:

the center of the packaging plate is provided with a round hole with the same aperture as the water inlet, and the first screws are provided with a plurality of round holes which are annularly distributed on one side of the packaging plate.

As a further description of the above technical solution:

first installation piece and second screw, second installation piece are provided with a plurality of respectively, are the annular and distribute, pump body one side is provided with circular trompil, pump body opposite side is provided with cylindrical hollow protrusion, motor housing one side is provided with cylindrical hollow protrusion, the motor housing opposite side is provided with circular trompil.

As a further description of the above technical solution:

the center of the rotating motor is provided with a tooth protrusion matched with the tooth protrusion, the length of the tooth protrusion is slightly larger than that of the rotating motor, the number of the second support columns is two, and the bottoms of the first support column and the second support column are on the same plane.

As a further description of the above technical solution:

and a threaded hole is formed in the center of one end of the rotating shaft, the size of the threaded hole is consistent with that of the threaded groove, and the threaded groove is matched with a fourth screw.

As a further description of the above technical solution:

the third mounting block, the fifth screw and the fourth mounting block are respectively provided with a plurality of annular distribution, the shaft sleeve and the packing ring are annular and are provided with two, and one end of the motor shell is provided with the shaft sleeve and the packing ring.

As a further description of the above technical solution:

the size of the upper base plate is consistent with that of the lower base plate, and the spring columns are arranged and symmetrically distributed between the upper base plate and the lower base plate.

The utility model has the following beneficial effects: the outer wall of one side of the rotating shaft is provided with the dentate bulge, the inner wall of the rotating motor is provided with the dentate bulge which is matched with the dentate bulge, the rotating shaft can be inserted in the rotating motor, one end of the dentate bulge is provided with the mounting plate and the third screw, the rotating shaft can be connected with the rotating motor, the mounting and the dismounting of the rotating shaft are simultaneously facilitated, one side of the pump body is provided with the packaging plate, the packaging plate can be opened, the impeller can be connected with the rotating shaft through the fourth screw, the packaging plate can be mounted through the first screw, the mounting and the dismounting of the impeller at one end of the rotating shaft are facilitated, the inside of the pump body is also conveniently cleaned when the packaging plate is opened, the pump body and the motor shell can be conveniently dismounted through the first mounting block, the second screw and the second mounting block, the heat dissipation fan can dissipate heat for the rotating motor, and the spring column is arranged between the upper bottom plate and the lower bottom plate, the shaking generated when the pump body works can be reduced.

Drawings

FIG. 1 is a front view of a typical easy to disassemble pump shaft assembled with a centrifugal pump according to the present invention;

FIG. 2 is a cross-sectional view of a typical easy to disassemble pump shaft for centrifugal pump assembly in accordance with the present invention;

fig. 3 is a perspective view of a pump shaft in a pump shaft which is usually convenient to disassemble and assemble in the centrifugal pump assembly provided by the utility model.

Illustration of the drawings:

1. a pump body; 2. a package board; 3. a first screw; 4. a water inlet; 5. a water outlet; 6. a first mounting block; 7. a second screw; 8. a second mounting block; 9. a motor housing; 10. rotating the motor; 11. a packing ring; 12. a shaft sleeve; 13. a rotating shaft; 14. a tooth-shaped bulge; 15. mounting a plate; 16. a third screw; 17. an impeller; 18. a thread groove; 19. a fourth screw; 20. a third mounting block; 21. a fifth screw; 22. a fourth mounting block; 23. a fan housing; 24. a heat radiation fan; 25. a first support column; 26. a second support column; 27. an upper base plate; 28. a spring post; 29. and a lower bottom plate.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., 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, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, one embodiment of the present invention is provided: a pump shaft which is usually used for assembling a centrifugal pump and is convenient to disassemble comprises a pump body 1, one side of the pump body 1 is in threaded connection with an encapsulation plate 2 through a first screw 3, one side of the encapsulation plate 2 is fixedly provided with a water inlet 4, the top end of the pump body 1 is fixedly connected with a water outlet 5, the other side of the pump body 1 is welded with a first installation block 6, the first installation block 6 is in threaded connection with a second installation block 8 through a second screw 7, one side of the second installation block 8 is welded with a motor shell 9, a rotating motor 10 is arranged in the motor shell 9, the inner wall of one side of the pump body 1 is provided with a packing ring 11, the inner wall of the packing ring 11 is provided with a shaft sleeve 12, the inner wall of the shaft sleeve 12 is movably connected with a rotating shaft 13, the outer wall of one side of the rotating shaft 13 is fixedly connected with a tooth-shaped bulge 14, one end of the tooth-shaped bulge 14 is provided with an installation plate 15, the installation plate 15 is in threaded connection with the rotating motor 10 through a third screw 16, one end of the rotating shaft 13 is provided with an impeller 17, and the center of the impeller 17 is provided with a thread groove 18, the inner wall of the threaded groove 18 is in threaded connection with a fourth screw 19, one end of the top of the motor shell 9 is welded with a third mounting block 20, the third mounting block 20 is in threaded connection with a fourth mounting block 22 through a fifth screw 21, a fan shell 23 is welded on one side of the fourth mounting block 22, a heat dissipation fan 24 is arranged on the inner wall of the fan shell 23, the first support column 25 is fixedly connected to the bottom of the pump body 1, the second support column 26 is fixedly connected to the bottom of the motor shell 9, an upper bottom plate 27 is fixedly connected to the bottom of the second support column 26, a spring column 28 is arranged at the bottom of the upper bottom plate 27, and a lower bottom plate 29 is fixedly installed at the bottom of the spring column 28.

Further, the center of the packaging plate 2 is provided with a round hole with the same diameter as the water inlet 4, and the first screws 3 are provided with a plurality of holes which are annularly distributed on one side of the packaging plate 2, so that the packaging plate 2 is convenient to mount and dismount.

Further, first installation piece 6 and second screw 7, second installation piece 8 are provided with a plurality of respectively, are the annular and distribute, and 1 one side of the pump body is provided with circular trompil, and 1 opposite side of the pump body is provided with cylindrical hollow protrusion, and 9 one sides of motor housing are provided with cylindrical hollow protrusion, and 9 opposite sides of motor housing are provided with circular trompil, make things convenient for the installation and the dismantlement of the pump body 1 and motor housing 9.

Furthermore, a tooth protrusion matched with the tooth-shaped protrusion 14 is arranged at the center of the rotating motor 10, the length of the tooth-shaped protrusion 14 is slightly larger than that of the rotating motor 10, two second support columns 26 are arranged, the bottoms of the first support column 25 and the second support column 26 are on the same plane, and the pump body 1 and the motor shell 9 can stably run on the same plane.

Furthermore, a threaded hole is formed in the center of one end of the rotating shaft 13, the size of the threaded hole is consistent with that of the threaded groove 18, and the threaded groove 18 is matched with the fourth screw 19, so that the impeller 17 can be conveniently installed on one side of the rotating shaft 13 by the fourth screw 19.

Further, the third mounting block 20, the fifth screw 21 and the fourth mounting block 22 are respectively provided with a plurality of rings, the rings are distributed, the shaft sleeve 12 and the packing ring 11 are annular and are provided with two rings, one end of the motor housing 9 is provided with the shaft sleeve 12 and the packing ring 11, and the third mounting block 20, the fifth screw 21 and the fourth mounting block 22 are convenient for the motor housing 9 and the fan housing 23 to be mounted and dismounted.

Furthermore, the size of the upper base plate 27 is the same as that of the lower base plate 29, a plurality of spring columns 28 are arranged and symmetrically distributed between the upper base plate 27 and the lower base plate 29, and the arrangement of the spring columns 28 can effectively reduce the vibration generated when the rotating motor 10 and the pump body 1 work.

The working principle and the process are as follows: the impeller 17 can be conveniently installed and the inside of the pump body 1 can be cleaned by arranging the packaging plate 2 at one side of the pump body 1, the packaging plate 2 is arranged at one side of the pump body 1 by arranging the first screw 3, the disassembly and the installation of the packaging plate 2 are convenient, water can be input into the pump body 1 by arranging the water inlet 4, the water can be output outwards by arranging the water outlet 5, the installation and the disassembly of the pump body 1 and the motor shell 9 can be convenient by arranging the first installation block 6, the second screw 7 and the second installation block 8, the fan shell 23 can be conveniently installed and disassembled by arranging the third installation block 20, the fifth screw 21 and the fourth installation block 22 at one side of the motor shell 9, the impeller 17 can be installed on the rotating shaft 13 by arranging the thread groove 18 at the center of the impeller 17, the rotating shaft 13 can be well connected with the rotating motor 10 by arranging the tooth-shaped bulge 14, through setting up mounting panel 15 and third screw 16, can be fixed pivot 13 and dentate bulge 14 mutually with rotating electrical machines 10, through setting up radiator fan 24, can cool down rotating electrical machines 10, through setting up first support column 25 and second support column 26, can be connected the pump body 1 and motor housing 9 with upper plate 27, through setting up spring post 28 between upper plate 27 and lower plate 29, can alleviate the rocking that produces during the function.

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 pump shaft of centrifugal pump equipment commonly used convenient to detach, includes the pump body (1), its characterized in that: the pump is characterized in that one side of the pump body (1) is in threaded connection with a packaging plate (2) through a first screw (3), one side of the packaging plate (2) is fixedly provided with a water inlet (4), the top end of the pump body (1) is fixedly connected with a water outlet (5), the other side of the pump body (1) is welded with a first mounting block (6), the first mounting block (6) is in threaded connection with a second mounting block (8) through a second screw (7), one side of the second mounting block (8) is welded with a motor shell (9), a rotating motor (10) is arranged inside the motor shell (9), one side inner wall of the pump body (1) is provided with a packing ring (11), the inner wall of the packing ring (11) is provided with a shaft sleeve (12), the inner wall of the shaft sleeve (12) is movably connected with a rotating shaft (13), one side outer wall of the rotating shaft (13) is fixedly connected with a tooth-shaped bulge (14), one end of the tooth-shaped bulge (14) is provided with a mounting plate (15), the mounting plate (15) is connected with a rotating motor (10) through a third screw (16) in a threaded manner, one end of the rotating shaft (13) is provided with an impeller (17), the center of the impeller (17) is provided with a thread groove (18), the inner wall of the thread groove (18) is connected with a fourth screw (19) in a threaded manner, one end of the top of the motor shell (9) is welded with a third mounting block (20), the third mounting block (20) is connected with a fourth mounting block (22) through a fifth screw (21) in a threaded manner, one side of the fourth mounting block (22) is welded with a fan shell (23), the inner wall of the fan shell (23) is provided with a cooling fan (24), the bottom of the pump body (1) is fixedly connected with a first supporting column (25), the bottom of the motor shell (9) is fixedly connected with a second supporting column (26), and the bottom of the second supporting column (26) is fixedly connected with an upper bottom plate (27), the bottom of the upper bottom plate (27) is provided with a spring column (28), and the bottom of the spring column (28) is fixedly provided with a lower bottom plate (29).

2. A centrifugal pump assembly common use easy to disassemble pump shaft according to claim 1, characterized in that: the center of the packaging plate (2) is provided with a round hole with the same caliber as the water inlet (4), and the first screws (3) are provided with a plurality of round holes which are annularly distributed on one side of the packaging plate (2).

3. A centrifugal pump assembly common use easy to disassemble pump shaft according to claim 1, characterized in that: first installation piece (6) and second screw (7), second installation piece (8) are provided with a plurality of respectively, are the annular and distribute, pump body (1) one side is provided with circular trompil, pump body (1) opposite side is provided with cylindrical hollow protrusion, motor housing (9) one side is provided with cylindrical hollow protrusion, motor housing (9) opposite side is provided with circular trompil.

4. A centrifugal pump assembly common use easy to disassemble pump shaft according to claim 1, characterized in that: the center of the rotating motor (10) is provided with a tooth protrusion matched with the tooth-shaped protrusion (14), the length of the tooth-shaped protrusion (14) is slightly larger than that of the rotating motor (10), two second supporting columns (26) are arranged, and the bottoms of the first supporting column (25) and the second supporting column (26) are on the same plane.

5. A centrifugal pump assembly common use easy to disassemble pump shaft according to claim 1, characterized in that: a threaded hole is formed in the center of one end of the rotating shaft (13), the size of the threaded hole is consistent with that of the threaded groove (18), and the threaded groove (18) is matched with a fourth screw (19).

6. A centrifugal pump assembly common use easy to disassemble pump shaft according to claim 1, characterized in that: the third mounting block (20), the fifth screw (21) and the fourth mounting block (22) are respectively provided with a plurality of annular distribution, the shaft sleeve (12) and the packing ring (11) are annular and are provided with two, and the shaft sleeve (12) and the packing ring (11) are arranged at one end of the motor shell (9).

7. A centrifugal pump assembly common use easy to disassemble pump shaft according to claim 1, characterized in that: the size of the upper bottom plate (27) is consistent with that of the lower bottom plate (29), and the spring columns (28) are arranged and symmetrically distributed between the upper bottom plate (27) and the lower bottom plate (29).