CN220505443U

CN220505443U - Stable multistage centrifugal pump

Info

Publication number: CN220505443U
Application number: CN202322153687.XU
Authority: CN
Inventors: 赵军正
Original assignee: Taizhou Sunlight Electric Machinery & Pump Industry Co ltd
Current assignee: Taizhou Sunlight Electric Machinery & Pump Industry Co ltd
Priority date: 2023-08-11
Filing date: 2023-08-11
Publication date: 2024-02-20
Anticipated expiration: 2033-08-11

Abstract

The utility model relates to the technical field of centrifugal pumps, in particular to a stable multistage centrifugal pump which comprises a pump body and a cleaning device, wherein the surface of the pump body is respectively provided with a water inlet end and a water outlet end, both ends of the pump body are respectively provided with an end cover body, the inner wall of the pump body is provided with a shaft body, the cleaning device is arranged on the surface of the shaft body and comprises a fixed ring, the fixed ring is fixedly connected with the surface of the shaft body, two pushing parts are fixedly connected with the surface of the fixed ring, and the inner wall of the pump body is fixedly connected with two hollow sleeves.

Description

Stable multistage centrifugal pump

Technical Field

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

Background

The multistage pump is a centrifugal pump with water inlet and outlet sections and middle sections combined together through a pull rod, and the output water pressure of the multistage pump can be very high, and centrifugal force is obtained by means of rotation of an impeller, so that the multistage pump is mainly applicable to the use of water supply and drainage of urban high-rise buildings, fire-fighting water, factories, mine water supply and drainage, long-distance water delivery and the like.

The utility model such as the utility model of publication number CN213684533U, the utility model provides the axial subdivision multistage centrifugal pump of double-volute, relate to the centrifugal pump technical field, including the pump body, water inlet and cleaning device, the surface of the pump body has offered the water inlet, the surface of water inlet is overlapped and is had cleaning device, cleaning device includes the rectangular block, one end and water inlet fixed connection of rectangular block, one end fixedly connected with flange of rectangular block has offered the draw-in groove on the surface of rectangular block, one end of rectangular block has offered the groove, and the inner wall fixedly connected with barrel of groove, the utility model, after having been clear, squeeze two baffles to the direction of linking arm again, pull ring pull out at this moment, make filter screen turn back into the draw-in groove again, thus can solve when the water pump absorbs water, the filter screen that this debris will be followed by the suction, this time will be blocked by the filth, and the filter screen is difficult to clear up after this filth is blocked to present filter screen, make the filth can be blocked up, make the pump can appear and difficult to absorb water, when the pump absorbs water, the filth can be difficult to suck the filth, the filter screen that will appear.

The inventor finds that when the multistage centrifugal pump is used in severe working environments such as ores in daily work, because gaps exist at the end cover, a large amount of dust particles are easy to be stained at the rotating position of the shaft element, the phenomenon that the service life is influenced by abrasion of the rotating position is easy to be caused by the dust particles, equipment cannot work stably after the equipment is abraded, and therefore the problem of unstable work caused by abrasion of the shaft element and the dust particles of the equipment is caused.

Disclosure of Invention

The utility model aims to solve the defect that in the prior art, equipment shaft parts and dust particles are worn to cause unstable work, and provides a stable multistage centrifugal pump.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a multistage centrifugal pump of stable form, includes the pump body and cleaning device, the surface of the pump body is provided with water inlet end and water outlet end respectively, the both ends of the pump body all are provided with the end cover body, the inner wall of the pump body is provided with the axis body, cleaning device sets up on the surface of axis body, cleaning device includes solid fixed ring, solid fixed ring and the fixed surface connection of axis body, solid fixed ring's fixed surface is connected with two pushing parts, the inner wall fixedly connected with of the pump body two hollow sleeves, the gas vent has been seted up on the surface of hollow sleeve, two hollow sleeve's fixed surface is connected with auxiliary member, through above-mentioned part, when the axis body rotates, can drive solid fixed ring and two pushing parts rotation, and in-process cooperation auxiliary member can pressurize two hollow sleeves when the hollow sleeve receives the extrusion, discharges the air from the gas vent, thereby reduces the condition that the centrifugal pump can not stable work of leading to wearing and tearing.

Preferably, a plurality of exhaust ports are formed in the surface of the hollow sleeve, the exhaust ports are distributed in an annular mode, and through the components, the exhaust ports are distributed in an annular mode on the surface of the hollow sleeve, so that air injection can be achieved at a plurality of positions of the shaft body, and the cleaning effect is achieved.

Preferably, one side corresponding to the inner wall of the hollow sleeve is fixedly connected with first springs, the number of the first springs is three, through the components, the plurality of first springs in the hollow sleeve are arranged, so that when the pushing piece is used for binding the auxiliary piece, the hollow sleeve is driven to be in a recovery state, and the exhaust port can be used for sucking air.

Preferably, the auxiliary piece is formed by combining a circular ring and two convex pieces, the convex pieces are provided with inclination, and the convex pieces on the surfaces of the auxiliary piece are arranged through the parts and can be matched with the pushing piece, so that the circular ring in the auxiliary piece extrudes two hollow sleeves to realize blowing.

Preferably, the surface of the end cover body is provided with a protection component, the protection component comprises fixing rods, the number of the fixing rods is two, the fixing rods are fixedly connected with the surfaces of the two sides of the end cover body, the surfaces of the fixing rods are rotationally connected with a protection cover, through the parts, the gap of the end cover body can be shielded and protected through the protection cover which can be rotated on the two sides of the end cover body, tools are reduced, the tools are smashed into the end cover body easily, and the use condition is influenced.

Preferably, the surface cover of dead lever is equipped with the second spring, the both ends of second spring respectively with dead lever and through-hole's fixed surface connection, through above-mentioned part, set up the second spring, can let the protective cover remain stable, protect all the time.

Preferably, through holes are formed in the surface of the protective cover, two through holes are formed in the number of the through holes, and through the through holes in the surface of the protective cover, the ventilation and heat dissipation effects can be achieved.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. when the equipment is used, the driving equipment is connected with the shaft body in the pump body through the transmission part to realize transmission, so that the pump body works, water enters from the water inlet end and water discharges from the water outlet end, when the equipment is required to be used, the shaft body rotates when the pump body works, the fixed ring and the pushing part are driven to rotate in the rotating process of the rotating body, the pushing part can squeeze the protruding part on the surface of the auxiliary part, so that the auxiliary part moves and extrudes two hollow sleeves, the first spring of the hollow sleeves is stressed, and meanwhile, the hollow sleeves discharge air from a plurality of air outlets to realize soot blowing treatment on the surface of the shaft body.

2. According to the utility model, the protective assembly is arranged, the protective cover can be opened and closed by rotating the protective cover in the fixed rod in the using process of the equipment, the protective cover can be kept in the protective state by the elastic force of the second spring, the end cover body can be protected by the protective cover, the auxiliary equipment can be conveniently used by arranging the protective assembly, the situation that one end of a tool is easily inserted into a gap of the end cover of the multistage centrifugal pump and some stones and other objects enter the equipment when the equipment is operated nearby manually in the working state can be effectively reduced, so that a shaft element collides with the tool to cause damage, and the whole practicality of the equipment is improved.

Drawings

Fig. 1 is a schematic perspective view of a stable multistage centrifugal pump according to the present utility model;

FIG. 2 is a schematic view of the structure of the multistage centrifugal pump of FIG. 1A according to the present utility model;

FIG. 3 is a schematic view showing a part of the structure of a stable multistage centrifugal pump according to the present utility model;

FIG. 4 is a schematic view showing a part of the structure of a cleaning device of a stable multistage centrifugal pump according to the present utility model;

fig. 5 is a schematic view showing a partially sectional structure of a cleaning device of a stable multistage centrifugal pump according to the present utility model.

Legend description:

1. a pump body; 2. an end cover body; 3. a shaft body; 4. a water inlet end; 5. a water outlet end; 6. a cleaning device; 61. a fixing ring; 62. pushing the piece; 63. an auxiliary member; 64. a hollow sleeve; 65. an exhaust port; 66. a first spring; 7. a protective assembly; 71. a protective cover; 72. a through hole; 73. a fixed rod; 74. and a second spring.

Detailed Description

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a multistage centrifugal pump of stable form, includes pump body 1 and cleaning device 6, and the surface of pump body 1 is provided with into water end 4 and play water end 5 respectively, and the both ends of pump body 1 all are provided with end cover body 2, and the inner wall of pump body 1 is provided with axis body 3, and cleaning device 6 sets up on the surface of axis body 3, and the surface of end cover body 2 is provided with protection component 7.

The specific arrangement and function of the cleaning device 6 and the guard assembly 7 will be described in detail below.

Specifically, the cleaning device 6 includes a fixing ring 61, the fixing ring 61 is fixedly connected with the surface of the shaft body 3, two pushing members 62 are fixedly connected with the surface of the fixing ring 61, two hollow sleeves 64 are fixedly connected with the inner wall of the pump body 1, an exhaust port 65 is formed in the surface of each hollow sleeve 64, and auxiliary members 63 are fixedly connected with the surface of each hollow sleeve 64.

In this embodiment: when the shaft body 3 rotates, the fixed ring 61 and the two pushing pieces 62 can be driven to rotate, the auxiliary pieces 63 are matched in the process of rotating the pushing pieces 62, the two hollow sleeves 64 can be pressurized, when the hollow sleeves 64 are extruded, air is discharged from the air outlet 65, dust particles stained on the surface of the shaft body 3 are blown away, and abrasion is reduced, so that the centrifugal pump cannot work stably.

Specifically, the exhaust ports 65 on the surface of the hollow sleeve 64 are provided with a plurality of exhaust ports 65 which are distributed in an annular shape, and the plurality of exhaust ports 65 which are distributed in an annular shape on the surface of the hollow sleeve 64 are provided, so that air injection can be realized at a plurality of positions of the shaft body 3, and the cleaning effect can be realized.

Specifically, the first springs 66 are fixedly connected to the corresponding side of the inner wall of the hollow sleeve 64, and the number of the first springs 66 is three.

In this embodiment: the plurality of first springs 66 in the hollow sleeve 64 can drive the hollow sleeve 64 to recover when the pushing member 62 binds the auxiliary member 63, and the air exhaust port 65 can suck air.

Specifically, the auxiliary member 63 is formed by combining a circular ring and two convex members, the convex members have inclination, the convex members on the surface of the auxiliary member 63 are arranged, and the convex members can be matched with the pushing member 62, so that the circular ring in the auxiliary member 63 extrudes the two hollow sleeves 64, and blowing is realized.

Specifically, the protection component 7 includes two fixing rods 73, two fixing rods 73 are fixedly connected with two side surfaces of the end cover body 2, and the surface of the fixing rod 73 is rotatably connected with the protection cover 71.

In this embodiment: through the protective cover 71 which can rotate at the two sides of the end cover body 2, the gap of the end cover body 2 can be shielded, so that tools are reduced and the end cover is easy to be smashed into, and the use condition is influenced.

Specifically, the surface of the fixing rod 73 is sleeved with a second spring 74, and two ends of the second spring 74 are fixedly connected with the surfaces of the fixing rod 73 and the through hole 72 respectively.

In this embodiment: the second spring 74 is provided to keep the protective cover 71 stable and always protect it.

Specifically, through holes 72 are formed in the surface of the protective cover 71, two through holes 72 are provided, and the through holes 72 are formed in the surface of the protective cover 71, so that ventilation and heat dissipation effects can be achieved.

Working principle: when the equipment is used, because the driving equipment is connected with the shaft body 3 in the pump body 1 through the transmission piece, realize the transmission, thereby make the pump body 1 work, water from the water inlet end 4, water outlet end 5 drainage, through setting up cleaning device 6, when the equipment is used to needs, when the pump body 1 is worked, the shaft body 3 can rotate, the rotor rotates in-process and drives solid fixed ring 61 and push piece 62 rotation, push piece 62 can extrude the protruding piece on auxiliary member 63 surface, thereby make auxiliary member 63 remove and extrude two hollow cover 64, hollow cover 64's first spring 66 atress, hollow cover 64 discharges the air from a plurality of gas vents 65 simultaneously, realize carrying out soot blowing processing to shaft body 3 surface, through setting up cleaning device 6, be convenient for clear up the equipment, can reduce multistage centrifugal pump effectively when using under abominable operational environment such as ore, the phenomenon that the dust particle is easy to cause the wearing and tearing influence life is appeared in rotation department to the shaft member rotation department, interference equipment can not carry out stable work condition after having reduced equipment wearing and tearing, and then the holistic stability of equipment has been improved.

Through setting up the protection component 7, equipment is in the use, can open and close through rotating the protection cover 71 in dead lever 73, the elasticity of second spring 74 can make the protection cover 71 keep at the protection state, can protect the end cover body 2 through the protection cover 71, through setting up the protection component 7, auxiliary assembly of being convenient for uses, can reduce effectively that equipment is under operating condition, the manual work is in nearby during operation, the one end of instrument appears easily inserts in the gap of multistage centrifugal pump end cover and some objects such as stone get into equipment, thereby cause the shaft part to collide with the instrument and lead to damaging the condition that causes a large amount of injuries, and then improved the holistic practicality of equipment.

Claims

1. The utility model provides a stable multistage centrifugal pump, includes pump body (1) and cleaning device (6), its characterized in that: the surface of pump body (1) is provided with into water end (4) and play water end (5) respectively, the both ends of pump body (1) all are provided with end cover body (2), the inner wall of pump body (1) is provided with axis body (3), cleaning device (6) set up on the surface of axis body (3), cleaning device (6) are including solid fixed ring (61), solid fixed ring (61) and the fixed surface of axis body (3) are connected, solid fixed ring (61)'s fixed surface is connected with two pushers (62), the inner wall fixedly connected with of pump body (1) two hollow cover (64), gas vent (65) have been seted up on the surface of hollow cover (64), two solid fixed surface of hollow cover (64) is connected with auxiliary (63).

2. A stable multistage centrifugal pump according to claim 1, wherein: the exhaust ports (65) on the surface of the hollow sleeve (64) are arranged in a plurality, and the exhaust ports (65) are distributed in a ring shape.

3. A stable multistage centrifugal pump according to claim 1, wherein: a first spring (66) is fixedly connected to one side corresponding to the inner wall of the hollow sleeve (64), and the number of the first springs (66) is three.

4. A stable multistage centrifugal pump according to claim 1, wherein: the auxiliary piece (63) is formed by combining a circular ring and two convex pieces, and the convex pieces have inclination.

5. A stable multistage centrifugal pump according to claim 1, wherein: the surface of the end cover body (2) is provided with a protection component (7), the protection component (7) comprises fixing rods (73), the number of the fixing rods (73) is two, the two fixing rods (73) are fixedly connected with the two side surfaces of the end cover body (2), and the surface of the fixing rods (73) is rotationally connected with a protection cover (71).

6. A stable multistage centrifugal pump according to claim 5, characterized in that: the surface of the fixed rod (73) is sleeved with a second spring (74), and two ends of the second spring (74) are fixedly connected with the surfaces of the fixed rod (73) and the through hole (72) respectively.

7. A stable multistage centrifugal pump according to claim 5, characterized in that: through holes (72) are formed in the surface of the protective cover (71), and the number of the through holes (72) is two.