CN215521363U

CN215521363U - Wear-resisting structure of magnetic pump

Info

Publication number: CN215521363U
Application number: CN202023230372.3U
Authority: CN
Inventors: 张明; 陈建章
Original assignee: Jiangsu Jiangda Pump Industry Manufacture Co ltd
Current assignee: Jiangsu Jiangda Pump Industry Manufacture Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2022-01-14
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a magnetic pump wear-resistant structure of a liquid pump structure, which comprises a pump body, wherein a pump cover is arranged inside the pump body, a sheath is arranged on the inner side of the pump cover, an impeller is arranged on the inner side of the sheath, a pump shaft is fixedly connected to the right end of the impeller, a pressure reducing cover is arranged on the outer side of the right end of the impeller, a bearing is fixedly connected to the outer side of the left end of the pump shaft, the impeller comprises a wheel disc, blades are fixedly connected to the outer side of the front end of the wheel disc, and a mounting hole is formed in the inner side of the wheel disc. Avoid medium and pump cover and pump body contact through setting up the sheath, improved magnetic drive pump's wear resistance, be convenient for decompress the device through setting up pressure reducing cover, avoid the inside pressure of impeller place cavity too big, set up the wheel board in the blade department of impeller and fix the blade, even the blade has the circumstances such as less mar damage can not direct fracture yet, but can continue normal use before damaging completely, to a great extent has increased magnetic drive pump's life.

Description

Wear-resisting structure of magnetic pump

Technical Field

The utility model relates to the field of liquid pump structures, in particular to a wear-resistant structure of a magnetic pump.

Background

The magnetic pump mainly comprises a pump head, a magnetic driver, a motor, a base and other parts. The magnetic driver of the magnetic pump consists of an outer magnetic rotor, an inner magnetic rotor and a non-magnetic separation sleeve. When the motor drives the outer magnetic rotor to rotate through the coupler, the magnetic field can penetrate through the air gap and the nonmagnetic substance isolation sleeve to drive the inner magnetic rotor connected with the impeller to synchronously rotate, the non-contact synchronous transmission of power is realized, the dynamic sealing structure easy to leak is converted into the static sealing structure without leakage, the magnetic pump is driven by the brushless direct current motor, the magnetic pump is formed by the brushless direct current motor and the impeller, the shaft of the motor is connected with the impeller, a gap is reserved between the stator and the rotor of the water pump, the brushless direct current motor is standardized, and the magnetic pump is produced by special manufacturers in large batches, is low in cost and high in efficiency, so that the magnetic pump is more and more widely used.

The magnetic pump in the prior art can cause equipment damage due to overlarge pressure in the impeller cavity, meanwhile, most of the impeller in the prior art is directly rotated by the fan blades, small scratches are likely to be generated when the impeller collides with impurities, and the impeller is easy to break after being used for a long time due to the fact that the impeller is not supported and continues high-strength normal operation after cracks or scratches, so that the impeller cannot be used and delays operation.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a wear-resistant structure of a magnetic pump, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a magnetic drive pump wear-resisting structure, includes the pump body, the inside of the pump body is equipped with the pump cover, the inboard of pump cover is equipped with the sheath, the inboard of sheath is equipped with the impeller, the right-hand member fixedly connected with pump shaft of impeller, the right-hand member outside of impeller is equipped with the pressure reducing cover, the left end outside fixedly connected with bearing of pump shaft, the impeller includes the rim plate, the front end outside fixedly connected with blade of rim plate, the mounting hole has been seted up to the inboard of rim plate.

As a further scheme of the utility model: the outer side of the pump shaft is fixedly connected with a sealing sleeve, and the sealing sleeve and the pump shaft are connected in an adhesion mode; the shaft is directly sealed by the sealing sleeve, so that water leakage or oil penetration is avoided.

As a still further scheme of the utility model: the lower end of the pump body is fixedly connected with a supporting leg, and the bottom end of the supporting leg is fixedly connected with an anti-skid pad; through setting up landing leg strutting arrangement, set up the slipmat and avoid taking place displacement or deviation because of producing vibrations when the operation.

As a still further scheme of the utility model: the outer side of the pump body is fixedly connected with a metal shell, and the inner side of the metal shell is coated with an insulating coating; the pump body is protected by arranging the metal shell, and the insulating coating is coated to prevent external electromagnetism from entering the pump body to cause unstable magnetic force.

As a still further scheme of the utility model: the metal shell comprises an upper shell and a lower shell, the outer sides of the upper shell and the lower shell are both fixedly connected with a connecting plate, the inner side of the connecting plate is provided with a fixing screw rod, and the other end of the fixing screw rod penetrates through the connecting plate and is in threaded connection with a fixing nut; the metal shell is convenient to install on the outer side of the pump body through arranging the upper shell and the lower shell, and the connection can be tightly connected and is not easy to fall off through further connection of the fixing screw rods.

As a still further scheme of the utility model: the outer side of the pump body is fixedly connected with a radiating fin, and the outer side of the metal shell is provided with a radiating hole; make the inside heat of the pump body be convenient for release through setting up the fin, thereby avoid inside because the demagnetization of long-time high temperature, set up the louvre and be convenient for dispel the inside heat of metal casing.

As a still further scheme of the utility model: the anti-static coating is coated on the outer side of the pump body, a placing block is fixedly connected to the outer side of the pump body, and the outer side of the placing block is attached to the metal shell; produce static influence operation when avoiding the operation through setting up anti-static coating, place indirect touching pump body of piece and metal casing through the setting and can avoid the intermetallic collision to cause the injury.

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

1. according to the utility model, the jacket is arranged to prevent the medium from contacting the pump cover and the pump body, so that the wear resistance of the magnetic pump is improved, the pressure reduction cover is arranged to facilitate pressure reduction of the device, the excessive pressure in the cavity where the impeller is located is avoided, the impeller plate is arranged at the position of the blade of the impeller to fix the blade, even if the blade is damaged by small scratches, the blade cannot be directly broken, and the like, and the operation is continued before the blade is completely damaged, so that the service life of the magnetic pump is prolonged to a great extent.

2. In the utility model, water leakage or oil penetration is avoided by the sealing property of the direct pump shaft of the sealing sleeve; the supporting leg supporting devices are arranged, and the anti-slip mat is arranged to prevent displacement or deviation caused by vibration during operation; the pump body is protected by arranging the metal shell, and the insulating coating is coated to prevent external electromagnetism from entering the pump body to cause unstable magnetic force.

3. According to the utility model, the upper shell and the lower shell are arranged, so that the metal shell can be conveniently arranged on the outer side of the pump body, and the connection can be tight and is not easy to fall off through the further connection of the fixing screw rods; the heat in the pump body is conveniently released by arranging the radiating fins, the demagnetization caused by long-time high temperature in the pump body is avoided, and the heat in the metal shell is conveniently radiated by arranging the radiating holes; produce static influence operation when avoiding the operation through setting up anti-static coating, place indirect touching pump body of piece and metal casing through the setting and can avoid the intermetallic collision to cause the injury.

Drawings

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

FIG. 2 is a partial cross-sectional view of the present invention;

FIG. 3 is a schematic external view of the present invention;

fig. 4 is a schematic view of an impeller of the present invention.

In the figure: 1. a pump body; 2. a pump cover; 3. a sheath; 4. an impeller; 5. a pump shaft; 6. a pressure reducing cover; 7. a bearing; 8. a wheel disc; 9. a blade; 10. mounting holes; 11. sealing sleeves; 12. a support leg; 13. a non-slip mat; 14. a metal housing; 15. an upper housing; 16. a lower housing; 17. a connecting plate; 18. fixing the screw rod; 19. fixing a nut; 20. an antistatic coating; 21. placing the blocks; 22. a heat sink; 23. and (4) heat dissipation holes.

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 to 4, in the embodiment of the present invention, a wear-resistant structure of a magnetic pump includes a pump body 1, a pump cover 2 is disposed inside the pump body 1, a sheath 3 is disposed inside the pump cover 2, an impeller 4 is disposed inside the sheath 3, a pump shaft 5 is fixedly connected to a right end of the impeller 4, a pressure reducing cover 6 is disposed outside a right end of the impeller 4, a bearing 7 is fixedly connected to an outside of a left end of the pump shaft 5, the impeller 4 includes a wheel disc 8, blades 9 are fixedly connected to an outside of a front end of the wheel disc 8, a mounting hole 10 is formed inside the wheel disc 8, the sheath 3 is disposed to prevent a medium from contacting the pump body 1 with the pump cover 2, so as to improve wear resistance of the magnetic pump, the pressure reducing cover 6 is disposed to facilitate pressure reduction of the device, prevent pressure inside a cavity where the impeller 4 is located from being too high, and a wheel plate is disposed at the blades 9 of the impeller 4 to fix the blades 9, even if the blade 9 is damaged by small scratches, the blade cannot be directly broken, and the service life of the magnetic pump is prolonged.

Wherein, the outer side of the pump shaft 5 is fixedly connected with a sealing sleeve 11, and the sealing sleeve 11 and the pump shaft 5 are connected in an adhesion manner; the shaft 5 is directly sealed by the sealing sleeve 11, so that water leakage or oil seepage is avoided, the lower end of the pump body 1 is fixedly connected with a supporting leg 12, and the bottom end of the supporting leg 12 is fixedly connected with an anti-skid pad 13; the supporting device of the supporting legs 12 is arranged, the anti-slip pad 13 is arranged to prevent displacement or deviation caused by vibration during operation, the metal shell 14 is fixedly connected to the outer side of the pump body 1, and the insulating coating is coated on the inner side of the metal shell 14; the pump body 1 is protected by arranging the metal shell 14, the insulating coating is coated to prevent external electromagnetism from entering the pump body 1 to cause unstable magnetic force, the metal shell 14 comprises an upper shell 15 and a lower shell 16, the outer sides of the upper shell 15 and the lower shell 16 are both fixedly connected with a connecting plate 17, the inner side of the connecting plate 17 is provided with a fixing screw 18, and the other end of the fixing screw 18 penetrates through the connecting plate 17 and is in threaded connection with a fixing nut 19; the upper shell 15 and the lower shell 16 are arranged to facilitate the installation of the metal shell 14 on the outer side of the pump body 1, the connection is tight and is not easy to fall off through the further connection of the fixing screw 18, the radiating fins 22 are fixedly connected on the outer side of the pump body 1, and the radiating holes 23 are formed in the outer side of the metal shell 14; the heat inside the pump body 1 is conveniently released by arranging the radiating fins 22, the demagnetization of the inside due to long-time high temperature is avoided, the heat inside the metal shell 14 is conveniently radiated by arranging the radiating holes 23, the anti-static coating 20 is coated on the outer side of the pump body 1, the placing block 21 is fixedly connected to the outer side of the pump body 1, and the outer side of the placing block 21 is attached to and connected with the metal shell 14; the anti-static coating 20 is arranged to avoid the static electricity generated during operation from influencing the operation, and the placing block 21 is arranged to indirectly touch the pump body 1 and the metal shell 14 so as to avoid the damage caused by the collision between metals.

The working principle of the utility model is as follows: when liquid is introduced from the water inlet end of the pump body 1, the pump cover 2 and the pump body 1 can be effectively protected from being damaged by impurities in a medium through the sheath 3, when impurities enter the cavity where the impeller 4 is located, even if the impeller 4 is scratched, even if the impeller 4 is broken, the back end of the blade 9 is supported by the wheel disc 8, normal work can be continued, and maintenance cost is reduced, when the pressure in the cavity of the impeller 4 is overlarge, because the impeller 4 has certain unbalanced mass, after long-time operation, accumulated pressure or under the operation environment with overlarge pressure, the unbalanced mass has one effect on a shaft under the action of centrifugal force, the shearing force is larger at higher rotating speed, the shaft can be bent or broken to a certain degree, and when the shearing force is high-speed operation or high-pressure operation, the pressure in the cavity where the impeller 4 is located can be adjusted through the pressure reducing cover 6, thereby resulting in impeller 4 fracture or pump shaft 5 to buckle impaired because pressure is too big in the inside of avoiding impeller 4 place cavity, the device is outside through placing the metal casing 14 protection device that piece 21 placed, can effectually be connected last shell 15 and lower shell 16 and can not drop easily through the connection of set screw 18 and fixation nut 19 through connecting plate 17, the inside heat of device can be through the scattered sword pump body 1 outside of fin 22, later discharge through louvre 23, landing leg 12 runs through metal casing 14 and produces skidding when avoiding the operation through slipmat 13 support ground, can effectually avoid static to produce the influence to magnetic force through scribbling antistatic coating 20 established.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a magnetic drive pump wear-resisting structure, includes pump body (1), its characterized in that: the pump comprises a pump body (1), wherein the pump cover (2) is arranged inside the pump body (1), a sheath (3) is arranged on the inner side of the pump cover (2), an impeller (4) is arranged on the inner side of the sheath (3), a pump shaft (5) is fixedly connected with the right end of the impeller (4), a pressure reducing cover (6) is arranged on the outer side of the right end of the impeller (4), a bearing (7) is fixedly connected with the outer side of the left end of the pump shaft (5), the impeller (4) comprises a wheel disc (8), blades (9) are fixedly connected with the outer side of the front end of the wheel disc (8), and a mounting hole (10) is formed in the inner side of the wheel disc (8).

2. A magnetic pump wear structure in accordance with claim 1, wherein: the pump is characterized in that a sealing sleeve (11) is fixedly connected to the outer side of the pump shaft (5), and the sealing sleeve (11) and the pump shaft (5) are connected in an adhesion mode.

3. A magnetic pump wear structure in accordance with claim 1, wherein: the lower extreme fixedly connected with landing leg (12) of pump body (1), the bottom fixedly connected with slipmat (13) of landing leg (12).

4. A magnetic pump wear structure in accordance with claim 1, wherein: the pump body (1) is characterized in that a metal shell (14) is fixedly connected to the outer side of the pump body, and an insulating coating is coated on the inner side of the metal shell (14).

5. The wear-resistant structure of the magnetic pump as claimed in claim 4, wherein: the metal shell (14) comprises an upper shell (15) and a lower shell (16), a connecting plate (17) is fixedly connected to the outer sides of the upper shell (15) and the lower shell (16), a fixing screw rod (18) is arranged on the inner side of the connecting plate (17), and the other end of the fixing screw rod (18) is connected with a fixing nut (19) in a threaded mode through the connecting plate (17).

6. The wear-resistant structure of the magnetic pump as claimed in claim 4, wherein: the outer side of the pump body (1) is fixedly connected with a radiating fin (22), and a radiating hole (23) is formed in the outer side of the metal shell (14).

7. A magnetic pump wear structure in accordance with claim 1, wherein: the anti-static pump is characterized in that an anti-static coating (20) is coated on the outer side of the pump body (1), a block (21) is fixedly connected to the outer side of the pump body (1), and the outer side of the block (21) is attached to and connected with a metal shell (14).