CN216642469U

CN216642469U - Multistage centrifugal pump

Info

Publication number: CN216642469U
Application number: CN202123359872.1U
Authority: CN
Inventors: 章冬文
Original assignee: Shanghai Zhili Pump Manufacturing Co ltd
Current assignee: Shanghai Zhili Pump Manufacturing Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-05-31
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a multistage centrifugal pump, which relates to the technical field of centrifugal pumps and comprises a pump shell and a delivery pipe; the pump shell: the pump shaft is connected with the inside in a rotating mode, a middle-section impeller is installed on the left side face of the pump shell, a fixed shell is installed at the left end of the middle-section impeller, installation rods are arranged at four corners of the left side face of the pump shell and are in plug-in connection with installation grooves in the side face of the fixed shell, two conveying pipes are arranged and are respectively arranged at the top ends of the pump shell and the fixed shell, shaft seats are arranged inside the fixed shell, the middle-section impeller is installed on the left side of the pump shell and is sleeved on the outer side of the pump shaft, the fixed shell is installed on the left side of the middle-section impeller to be fixed, and heat dissipation assemblies are arranged at two ends of the outer side face of the middle-section impeller; wherein: still include the inserted block, the inserted block has two and establishes respectively in the bottom of pump case and fixed shell, the outside of inserted block is equipped with the removal subassembly, and this multistage centrifugal pump makes things convenient for the dismouting, is convenient for remove, and the radiating effect is good.

Description

Multistage centrifugal pump

Technical Field

The utility model relates to the technical field of multistage centrifugal pumps, in particular to a multistage centrifugal pump.

Background

The multistage centrifugal pump has the advantages that the multistage centrifugal pump is wide in application range, the multistage centrifugal pump has a plurality of categories and models according to different operation parameters, different parts are used by various pumps, the types of the parts are complicated, great difficulty is brought to purchasing, the subsequent maintenance time is prolonged due to inconvenient disassembly during installation and maintenance, meanwhile, due to the fact that the heat dissipation effect of the centrifugal pump is poor, a large amount of heat generated during operation cannot be effectively dissipated, the centrifugal pump is damaged due to overheating, and the centrifugal pump is not convenient to move when in use due to the fact that the centrifugal pump is short of a moving structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, provides a multistage centrifugal pump which is convenient to disassemble and assemble, convenient to move and good in heat dissipation effect, and can effectively solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a multistage centrifugal pump includes a pump housing and a delivery pipe;

a pump housing: the pump shaft is connected with the inside in a rotating mode, a middle-section impeller is installed on the left side face of the pump shell, a fixed shell is installed at the left end of the middle-section impeller, installation rods are arranged at four corners of the left side face of the pump shell and are in plug-in connection with installation grooves in the side face of the fixed shell, two conveying pipes are arranged and are respectively arranged at the top ends of the pump shell and the fixed shell, a shaft seat is arranged inside the fixed shell, and heat dissipation assemblies are arranged at two ends of the outer side face of the middle-section impeller;

wherein: still include the inserted block, the inserted block has two and establishes respectively in the bottom of pump case and fixed shell, the outside of inserted block is equipped with the removal subassembly.

Cup joint in the outside of pump shaft when installing the pump case left with the middle section impeller, fix the left side of installing the middle section impeller to the set casing, four installation poles can increase the fastness of installation simultaneously to also make things convenient for follow-up dismantlement, outside motor then drives the pump shaft and rotates, and then realizes the transport of liquid.

Further, radiator unit contains fin, heat conduction piece, fixture block and connection shell, the one end at middle section impeller lateral surface is established to the connection shell, the inside grafting of connection shell has the heat conduction piece, the lateral surface of heat conduction piece is equipped with the fin, the left and right sides face of heat conduction piece all is equipped with the fixture block, inserts inside the connection shell with the heat conduction piece to use the fixture block to fix it, and the heat conduction piece can be with the leading-in heat that produces when moving to carry out quick heat dissipation on the fin, and then prevents that the centrifugal pump from overheating and causing its damage.

Further, it contains removal wheel, bolt, backup pad and link to remove the subassembly, the slot and the inserted block looks joint of backup pad top both sides, the shaft hole internal rotation of backup pad side is connected with the bolt, the four corners of backup pad bottom all is equipped with removes the wheel, the link has two and establishes respectively on the top of pump case and set casing lateral surface, pegs graft the slot and the inserted block on backup pad top mutually, uses the bolt to fix it, and the removal wheel convenience of backup pad bottom removes the centrifugal pump to be applicable to different in service behavior.

Further, still include the translucent cover, place seat and spring beam, place the seat and establish the lateral surface at the set casing, the both sides of placing the seat all are equipped with the spring beam, the top of spring beam is fixed with the translucent cover, will use the record originally to place the seat inside, the spring beam kick-backs and makes the translucent cover play the effect of protection to using the record originally.

Further, still include filter screen and mount, the both sides of filter screen bottom all are equipped with the mount, the mount is pegged graft mutually with the inside of conveyer pipe, and it is inside to go into the conveyer pipe with the mount card of filter screen bottom to liquid to carry filters.

Further, still include soundproof cotton and wearing layer, soundproof cotton cup joints in the outside of middle section impeller, soundproof cotton's the outside is equipped with the wearing layer, and soundproof cotton can prevent that centrifugal pump during operation from producing great noise, and the wearing layer can increase soundproof cotton's life.

Compared with the prior art, the utility model has the beneficial effects that: this multistage centrifugal pump has following benefit:

1. the middle-section impeller is installed on the left side of the pump shell and is simultaneously sleeved on the outer side of the pump shaft, the fixed shell is installed on the left side of the middle-section impeller to be fixed, meanwhile, the four installation rods can increase the installation firmness and facilitate subsequent disassembly, and an external motor drives the pump shaft to rotate so as to further realize liquid conveying;

2. the heat-conducting block is inserted into the connecting shell and fixed by the fixture block, and the heat-conducting block can guide heat generated in operation to the radiating fin for rapid heat dissipation, so that the centrifugal pump is prevented from being damaged due to overheating;

3. the slot on backup pad top is pegged graft mutually with the inserted block, uses the bolt to fix it, and the removal wheel convenience of backup pad bottom is removed the centrifugal pump to be applicable to different in service behavior, will use the record originally put place the seat inside, the spring beam kick-backs and makes the translucent cover play the effect of protection to the use record originally.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of a heat dissipation assembly of the present invention.

In the figure: the heat dissipation device comprises a pump shell 1, a heat dissipation component 2, a heat dissipation fin 21, a heat conduction block 22, a clamping block 23, a connecting shell 24, a moving component 3, a moving wheel 31, a bolt 32, a supporting plate 33, a hanging ring 34, a pump shaft 4, a middle-section impeller 5, a mounting rod 6, a fixing shell 7, an axle seat 8, a conveying pipe 9, an insertion block 10, a transparent cover 11, a placing seat 12, a spring rod 13, a filter screen 14, a fixing frame 15, sound insulation cotton 16 and a wear-resistant layer 17.

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 embodiment provides a technical solution: a multistage centrifugal pump includes a pump housing 1 and a delivery pipe 9;

the pump housing 1: the internal rotation is connected with a pump shaft 4, a middle-section impeller 5 is installed on the left side face of the pump shell 1, a fixed shell 7 is installed at the left end of the middle-section impeller 5, installation rods 6 are arranged at four corners of the left side face of the pump shell 1, the installation rods 6 are connected with installation grooves in the side faces of the fixed shell 7 in an inserting mode, two conveying pipes 9 are arranged on the top ends of the pump shell 1 and the fixed shell 7 respectively, a shaft seat 8 is arranged inside the fixed shell 7, the middle-section impeller 5 is installed on the left side of the pump shell 1 and is sleeved on the outer side of the pump shaft 4, the fixed shell 7 is installed on the left side of the middle-section impeller 5 and is fixed, meanwhile, the four installation rods 6 can increase installation firmness and facilitate follow-up disassembly, an external motor drives the pump shaft 4 to rotate so as to achieve liquid conveying, heat dissipation assemblies 2 are arranged at two ends of the outer side face of the middle-section impeller 5, each heat dissipation assembly 2 comprises a heat dissipation fin 21 and a heat conduction block 22, The centrifugal pump comprises a clamping block 23 and a connecting shell 24, wherein the connecting shell 24 is arranged at one end of the outer side surface of the middle-section impeller 5, a heat conducting block 22 is inserted into the connecting shell 24, a radiating fin 21 is arranged on the outer side surface of the heat conducting block 22, the clamping block 23 is arranged on the left side surface and the right side surface of the heat conducting block 22, the heat conducting block 22 is inserted into the connecting shell 24 and is fixed by using the clamping block 23, and the heat conducting block 22 can guide heat generated in operation into the radiating fin 21 to perform rapid heat radiation, so that the centrifugal pump is prevented from being damaged due to overheating;

wherein: the centrifugal pump further comprises an inserting block 10, the inserting block 10 comprises two inserting blocks which are respectively arranged at the bottom ends of the pump shell 1 and the fixed shell 7, a moving assembly 3 is arranged on the outer side of the inserting block 10, the moving assembly 3 comprises moving wheels 31, bolts 32, a supporting plate 33 and hanging rings 34, inserting grooves in two sides of the top end of the supporting plate 33 are clamped with the inserting block 10, the bolts 32 are rotatably connected in shaft holes in the side surface of the supporting plate 33, the moving wheels 31 are arranged at four corners of the bottom end of the supporting plate 33, the hanging rings 34 are two and respectively arranged at the top ends of the outer side surfaces of the pump shell 1 and the fixed shell 7, the inserting grooves in the top end of the supporting plate 33 are inserted into the inserting block 10 and fixed by the bolts 32, the moving wheels 31 at the bottom end of the supporting plate 33 are convenient to move the centrifugal pump, so that the centrifugal pump is suitable for different use conditions, the centrifugal pump further comprises a transparent cover 11, a placing seat 12 and spring rods 13, the placing seat 12 is arranged on the outer side surface of the fixed shell 7, the spring rods 13 are arranged on two sides of the placing seat 12, the top of spring beam 13 is fixed with translucent cover 11, place the use record originally inside 12, spring beam 13 kick-backs and makes translucent cover 11 play the effect of protection to the use record originally, still include filter screen 14 and mount 15, the both sides of filter screen 14 bottom all are equipped with mount 15, mount 15 pegs graft mutually with the inside of conveyer pipe 9, inside 15 calories of mount of filter screen 14 bottom advance conveyer pipe 9, thereby filter the liquid of carrying, still include soundproof cotton 16 and wearing layer 17, soundproof cotton 16 cup joints the outside at middle section impeller 5, soundproof cotton 16's the outside is equipped with wearing layer 17, soundproof cotton 16 can prevent that centrifugal pump during operation from producing great noise, and wearing layer 17 can increase soundproof cotton 16's life.

The working principle of the multistage centrifugal pump provided by the utility model is as follows: firstly, the middle-section impeller 5 is installed on the left side of the pump shell 1 and is simultaneously sleeved on the outer side of the pump shaft 4, the fixed shell 7 is installed on the left side of the middle-section impeller 5 to be fixed, meanwhile, the four installation rods 6 can increase the installation firmness and facilitate subsequent disassembly, an external motor drives the pump shaft 4 to rotate, further liquid conveying is realized, the fixed frame 15 at the bottom end of the filter screen 14 is clamped into the conveying pipe 9, so that the conveyed liquid is filtered, when the centrifugal pump needs to be moved, the inserting groove at the top end of the supporting plate 33 is inserted into the inserting block 10 and is fixed by using the bolt 32, the moving wheel 31 at the bottom end of the supporting plate 33 is convenient to move the centrifugal pump, so that the centrifugal pump is suitable for different use conditions, then the heat conducting block 22 is inserted into the connecting shell 24 and is fixed by using the clamping block 23, and the heat conducting block 22 can conduct rapid heat dissipation on the radiating fin 21 by guiding heat generated in operation, thereby preventing the centrifugal pump from being damaged due to overheating, the soundproof cotton 16 can prevent the centrifugal pump from generating larger noise during operation, and the wear-resistant layer 17 can prolong the service life of the soundproof cotton 16.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A multistage centrifugal pump characterized by: comprises a pump shell (1) and a delivery pipe (9);

pump housing (1): the pump shaft (4) is connected to the inside in a rotating mode, a middle-section impeller (5) is installed on the left side face of the pump shell (1), a fixed shell (7) is installed at the left end of the middle-section impeller (5), installation rods (6) are arranged at four corners of the left side face of the pump shell (1), the installation rods (6) are connected with installation grooves in the side face of the fixed shell (7) in an inserting mode, two conveying pipes (9) are arranged and are respectively arranged at the top ends of the pump shell (1) and the fixed shell (7), a shaft seat (8) is arranged inside the fixed shell (7), and heat dissipation assemblies (2) are arranged at two ends of the outer side face of the middle-section impeller (5);

wherein: still include inserted block (10), inserted block (10) have two and establish respectively in the bottom of pump case (1) and stationary housing (7), the outside of inserted block (10) is equipped with removal subassembly (3).

2. A multistage centrifugal pump according to claim 1, characterized in that: the heat dissipation assembly (2) comprises heat dissipation fins (21), heat conduction blocks (22), clamping blocks (23) and a connection shell (24), wherein the connection shell (24) is arranged at one end of the outer side face of the middle-section impeller (5), the heat conduction blocks (22) are inserted into the connection shell (24), the heat dissipation fins (21) are arranged on the outer side face of each heat conduction block (22), and the clamping blocks (23) are arranged on the left side face and the right side face of each heat conduction block (22).

3. A multistage centrifugal pump according to claim 1, characterized in that: remove subassembly (3) and contain and remove wheel (31), bolt (32), backup pad (33) and link (34), the slot and inserted block (10) looks joint of backup pad (33) top both sides, the shaft hole internal rotation of backup pad (33) side is connected with bolt (32), the four corners of backup pad (33) bottom all is equipped with and removes wheel (31), link (34) have two and establish the top at pump case (1) and set casing (7) lateral surface respectively.

4. A multistage centrifugal pump according to claim 1, characterized in that: the novel spring rod placing device is characterized by further comprising a transparent cover (11), a placing seat (12) and spring rods (13), wherein the placing seat (12) is arranged on the outer side face of the fixed shell (7), the spring rods (13) are arranged on two sides of the placing seat (12), and the transparent cover (11) is fixed at the top ends of the spring rods (13).

5. A multistage centrifugal pump according to claim 1, characterized in that: still include filter screen (14) and mount (15), the both sides of filter screen (14) bottom all are equipped with mount (15), mount (15) are pegged graft mutually with the inside of conveyer pipe (9).

6. A multistage centrifugal pump according to claim 1, characterized in that: still include soundproof cotton (16) and wearing layer (17), soundproof cotton (16) cup joint in the outside of middle section impeller (5), the outside of soundproof cotton (16) is equipped with wearing layer (17).