CN215444425U

CN215444425U - High-temperature high-pressure magnetic circulating pump

Info

Publication number: CN215444425U
Application number: CN202121768064.8U
Authority: CN
Inventors: 邰刘龙; 王刚涛; 周迎霞
Original assignee: Jiangsu Touchuang Scientific Research Instrument Co ltd
Current assignee: Jiangsu Touchuang Scientific Research Instrument Co ltd
Priority date: 2021-07-31
Filing date: 2021-07-31
Publication date: 2022-01-07
Anticipated expiration: 2031-07-31

Abstract

The utility model discloses a high-temperature high-pressure magnetic circulating pump, which comprises: the motor, the output of motor has first outer magnetism seat through the coupling joint, and the one end of first outer magnetism seat is provided with the outer magnetism seat of second, the inside of first outer magnetism seat is provided with deep groove ball bearing, end cap and first O type circle, and the one end of end cap is passed through deep groove ball bearing and is connected with first outer magnetism seat to the pot head of end cap is equipped with first O type circle, the inside of the outer magnetism seat of second is provided with the outer magnet, the inside of outer magnet is provided with interior magnet cover and interior magnet, and interior magnet cover is located between interior magnet and the outer magnet. This kind of motor upper fixed plate, outer magnetic base bottom, motor bottom plate etc. that high temperature high pressure magnetic force circulating pump used all adopt the aluminum alloy material to can reach the whole lightweight of the pump body and rust-resistant effect of losing, the outer magnet and the interior magnet that set up adopt china fir cobalt material to make, can avoid this in use to produce bad phenomena such as "demagnetization".

Description

High-temperature high-pressure magnetic circulating pump

Technical Field

The utility model relates to the field of magnetic pumps, in particular to a high-temperature high-pressure magnetic circulating pump.

Background

The magnetic pump is a branch belonging to the field of water pump, and is a new product which applies the working principle of permanent magnet coupling to centrifugal pump. The magnetic pump consists of three parts, namely a pump, a magnetic driver and a motor. The magnetic driver of the magnetic pump consists of an outer magnetic rotor, an inner magnetic rotor and a non-magnetic conductive isolation sleeve, when the motor drives the outer magnetic rotor to rotate, a magnetic field can penetrate through an air gap and a non-magnetic substance to drive the inner magnetic rotor connected with an impeller to synchronously rotate, the non-contact synchronous transmission of power is realized, and a dynamic sealing structure which is easy to leak is converted into a static sealing structure with zero leakage. Because the sliding bearing of the magnetic pump is lubricated by the conveyed medium, different materials are selected to manufacture the bearing according to different media and use working conditions.

The general pump body has the problem that leakage occurs due to the fact that sealing is not tight when the pump body is used, and therefore a high-temperature high-pressure magnetic circulating pump is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-temperature high-pressure magnetic circulating pump, which aims to solve the problem that the common pump body is not tightly sealed and leaks when in use in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a high temperature high pressure magnetic circulation pump comprising: the output end of the motor is connected with a first outer magnetic seat through a coupler, one end of the first outer magnetic seat is provided with a second outer magnetic seat, one end of the second outer magnetic seat is provided with an outer magnetic seat bottom cover, a deep groove ball bearing, a plug and a first O-shaped ring are arranged inside the first outer magnetic seat, one end of the plug is connected with the first outer magnetic seat through the deep groove ball bearing, one end of the plug is sleeved with the first O-shaped ring, an outer magnet is arranged inside the second outer magnetic seat, an inner magnet cover and an inner magnet are arranged inside the outer magnet, the inner magnet cover is located between the inner magnet and the outer magnet, an upper driving shaft is arranged inside the inner magnet, one end of the upper driving shaft is connected with a lower driving shaft, a second O-shaped ring is sleeved outside one end of the lower driving shaft, the end of the lower driving shaft is provided with an impeller, and a locking nut is installed at the connection position of the lower driving shaft and the impeller, deep groove bearings are sleeved outside the two ends of the lower driving shaft, a gasket is arranged on one side of one deep groove bearing, a lower cylinder is arranged outside the deep groove bearing, and the lower cylinder is connected with the lower driving shaft through the deep groove bearings; the other end of the lower cylinder is connected with the upper cylinder through threads; and the upper cylinder body is connected with the lower driving shaft through a deep groove bearing.

Preferably, the first outer magnetic seat is connected with the second outer magnetic seat through an inner hexagon nut, and the first outer magnetic seat, the second outer magnetic seat and the outer magnetic seat bottom cover are connected through bolts.

Preferably, one end of the lower cylinder body is provided with a cylinder cover, and a gasket is arranged at the joint of the lower cylinder body and the cylinder cover.

Preferably, the cylinder cover is detachably connected with the lower cylinder through a bolt, and the cylinder cover forms a sealing structure with the lower cylinder through a gasket.

Preferably, a motor upper fixing plate is arranged at the joint of the motor and the first outer magnetic seat.

Preferably, four motor supporting rods are inserted into the motor upper fixing plate in a penetrating manner, and the other ends of the four motor supporting rods are connected with a motor lower fixing plate.

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

this kind of motor upper fixed plate, first outer magnetic seat, the outer magnetic seat of second, outer magnetic seat bottom and motor bottom plate that high temperature high pressure magnetic force circulating pump used all adopt the aluminum alloy material to can reach the whole lightweight and rust-resistant effect of losing of the pump body, the outer magnet and the interior magnet that set up adopt china fir cobalt material to make, can avoid this in use to produce bad phenomena such as "demagnetization".

The magnetic force line of the high-temperature high-pressure magnetic circulating pump passes through the isolation sleeve, so that a driving shaft and an impeller in a pump cavity are indirectly driven, the purpose of non-contact transmission is achieved, and the pump cavity is in an absolute sealing state during operation; meanwhile, the fluorine rubber O-shaped ring with excellent corrosion resistance is arranged at the assembly joint, so that the overall sealing effect of the device can be ensured, and the leakage problem is avoided.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention.

In the figure: 1. a motor; 2. a motor upper fixing plate; 3. a motor support rod; 4. a first outer magnetic base; 5. a second outer magnetic base; 6. a deep groove ball bearing; 7. a plug; 8. a first O-ring; 9. an inner magnet cover; 10. an external magnet; 11. an inner magnet; 12. a second O-ring; 13. a lower motor fixing plate; 14. a deep groove bearing; 15. an upper cylinder body; 16. a lower cylinder body; 17. an upper drive shaft; 18. a cylinder cover; 19. an impeller; 20. locking the nut; 21. a lower drive shaft; 22. a gasket; 23. a bottom cover of the outer magnetic seat; 24. a gasket.

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. 2, a high-temperature high-pressure magnetic circulating pump includes: the motor 1 is a servo motor, the output end of the motor 1 is connected with a first outer magnetic seat 4 through a coupler, one end of the first outer magnetic seat 4 is provided with a second outer magnetic seat 5, the first outer magnetic seat 4 is connected with the second outer magnetic seat 5 through an inner hexagon nut, one end of the second outer magnetic seat 5 is provided with an outer magnetic seat bottom cover 23, the first outer magnetic seat 4, the second outer magnetic seat 5 and the outer magnetic seat bottom cover 23 are connected through bolts, a deep groove ball bearing 6, a plug 7 and a first O-shaped ring 8 are arranged inside the first outer magnetic seat 4, one end of the plug 7 is connected with the first outer magnetic seat 4 through the deep groove ball bearing 6, one end of the plug 7 is sleeved with the first O-shaped ring 8, an outer magnet 10 is arranged inside the second outer magnetic seat 5, an inner magnet cover 9 and an inner magnet 11 are arranged inside the outer magnet 10, and the inner magnet cover 9 is positioned between the inner magnet 11 and the outer magnet 10, the arranged outer magnet 10 and the inner magnet 11 are made of China fir cobalt materials, so that the undesirable phenomena of demagnetization and the like in use can be avoided; an upper driving shaft 17 is arranged inside the inner magnet 11, one end of the upper driving shaft 17 is connected with a lower driving shaft 21, a second O-shaped ring 12 is sleeved on the outer side of one end, close to the upper driving shaft 17, of the lower driving shaft 21, and meanwhile, a fluorine rubber O-shaped ring with excellent corrosion resistance is arranged at an assembly connection position, so that the integral sealing effect of the device can be ensured, and the leakage problem is avoided; the impeller 19 is installed at the end of the lower driving shaft 21, the locking nut 20 is installed at the joint of the lower driving shaft 21 and the impeller 19, and the magnetic line of force of the circulating pump passes through the isolation sleeve, so that the driving shaft and the impeller 19 in the pump cavity are indirectly driven, the purpose of non-contact transmission is achieved, and the pump chamber is in an absolute sealing state during operation.

Referring to fig. 1 and 2, a high-temperature high-pressure magnetic circulating pump includes: the outer parts of two ends of the lower driving shaft 21 are respectively sleeved with a deep groove bearing 14, one side of one deep groove bearing 14 is provided with a gasket 22, the outer side of the deep groove bearing 14 is provided with a lower cylinder 16, and the lower cylinder 16 is connected with the lower driving shaft 21 through the deep groove bearing 14; one end of the lower cylinder 16 is provided with a cylinder cover 18, a gasket 24 is arranged at the joint of the lower cylinder 16 and the cylinder cover 18, and the cylinder cover 18 is connected with the lower cylinder 16 through a bolt and the gasket 24; the other end of the lower cylinder 16 is connected with the upper cylinder 15 through threads, and the upper cylinder 15 is connected with a lower driving shaft 21 through a deep groove bearing 14; the high-temperature high-pressure magnetic force circulating pump is characterized in that a motor upper fixing plate 2 is arranged at the joint of a motor 1 and a first outer magnetic seat 4, four motor supporting rods 3 are inserted into the motor upper fixing plate 2, the other ends of the four motor supporting rods 3 are connected with a motor lower fixing plate 13, and the motor upper fixing plate 2, the first outer magnetic seat 4, a second outer magnetic seat 5, an outer magnetic seat bottom cover 23 and the motor lower fixing plate 13 are made of aluminum alloy materials, so that the overall lightweight and anti-corrosion effects of the pump body can be achieved, the working pressure range of the high-temperature high-pressure magnetic force circulating pump is 0-40MPa, the working temperature range is 0-200 ℃, meanwhile, TC4, 304 and 316L stainless steel is used as the material, and the maximum water discharge amount is 1L/min.

The working principle is as follows: the application of magnetic transmission on the high-temperature high-pressure magnetic circulating pump is the same as the principle of all magnetic transmission, and the characteristic that a magnet can attract ferromagnetic substances and the magnet or a magnetic field has magnetic action is utilized; the non-ferromagnetic substance does not influence or hardly influences the magnitude of the magnetic force, so that the power transmission can be carried out through the non-magnetic conductor isolation sleeve without contact, and the transmission device is called as a magnetic coupling; the motor is connected with the outer magnetic steel through a coupler, and the impeller is connected with the inner magnetic steel; an isolating sleeve is arranged between the outer magnetic steel and the inner magnetic steel to completely separate the inner magnetic steel from the outer magnetic steel, and a rotating shaft of the motor directly drives the impeller to synchronously rotate through the suction force of magnetic poles between the magnetic steels; motor 1 passes through shaft coupling and first outer magnetic base 4, first outer magnetic base 4 is connected through hexagon socket nut with second outer magnetic base 5, motor 1 drives first outer magnetic base 4 and the rotation of second outer magnetic base 5, first outer magnetic base 4 and the rotation of second outer magnetic base 5 drive outer magnet 10, outer magnet 10 drives inner magnet 11 and rotates, thereby inner magnet 11 is connected with last drive shaft 17 and drives drive shaft 17 and rotate, go up drive shaft 17 and lower drive shaft 21 fixed connection, thereby lower drive shaft 21 passes through lock nut 20 and is connected with impeller 19 and drives impeller 19 and rotate, thereby reach the circulation effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high-temperature high-pressure magnetic circulating pump is characterized by comprising:

the motor comprises a motor (1), wherein the output end of the motor (1) is connected with a first outer magnetic seat (4) through a coupler, one end of the first outer magnetic seat (4) is provided with a second outer magnetic seat (5), one end of the second outer magnetic seat (5) is provided with an outer magnetic seat bottom cover (23), a deep groove ball bearing (6), a plug (7) and a first O-shaped ring (8) are arranged inside the first outer magnetic seat (4), one end of the plug (7) is connected with the first outer magnetic seat (4) through the deep groove ball bearing (6), one end of the plug (7) is sleeved with the first O-shaped ring (8), an outer magnet (10) is arranged inside the second outer magnetic seat (5), an inner magnet cover (9) and an inner magnet (11) are arranged inside the outer magnet (10), the inner magnet cover (9) is positioned between the outer magnet (11) and the inner magnet (10), and a driving shaft (17) is arranged inside the inner magnet (11), one end of the upper driving shaft (17) is connected with a lower driving shaft (21), a second O-shaped ring (12) is sleeved on the outer side of one end, close to the upper driving shaft (17), of the lower driving shaft (21), impellers (19) are installed at the end portions of the lower driving shaft (21), locking nuts (20) are installed at the connection portions of the lower driving shaft (21) and the impellers (19), deep groove bearings (14) are sleeved on the outer portions of two ends of the lower driving shaft (21), a gasket (22) is arranged on one side of one deep groove bearing (14), a lower cylinder body (16) is arranged on the outer side of the deep groove bearing (14), and the lower cylinder body (16) is connected with the lower driving shaft (21) through the deep groove bearing (14); the other end of the lower cylinder (16) is connected with the upper cylinder (15) through threads; and the upper cylinder (15) is connected with the lower driving shaft (21) through a deep groove bearing (14).

2. The magnetic force circulation pump of claim 1, wherein the first outer magnetic base (4) and the second outer magnetic base (5) are connected by hexagon socket head nut, and the first outer magnetic base (4), the second outer magnetic base (5) and the outer magnetic base bottom cover (23) are connected by bolts.

3. A high-temperature high-pressure magnetic circulating pump according to claim 1, characterized in that one end of the lower cylinder (16) is provided with a cylinder cover (18), and a gasket (24) is arranged at the joint of the lower cylinder (16) and the cylinder cover (18).

4. A high-temperature high-pressure magnetic circulating pump according to claim 3, characterized in that the cover (18) is detachably connected with the lower cylinder (16) through bolts, and the cover (18) forms a sealing structure with the lower cylinder (16) through a gasket (24).

5. A high-temperature high-pressure magnetic circulating pump according to claim 1, wherein a motor upper fixing plate (2) is arranged at the joint of the motor (1) and the first outer magnetic seat (4).

6. The magnetic force circulating pump for high temperature and high pressure as claimed in claim 5, wherein four motor supporting rods (3) are inserted into the motor upper fixing plate (2), and the other ends of the four motor supporting rods (3) are connected with a motor lower fixing plate (13).