CN218151472U

CN218151472U - Canned motor pump with self-lubricating high-precision composite shaft structure

Info

Publication number: CN218151472U
Application number: CN202222229440.7U
Authority: CN
Inventors: 李云鹏; 马志强
Original assignee: Wuxi Diyi Canned Electric Pump Co ltd
Current assignee: Wuxi Diyi Canned Electric Pump Co ltd
Priority date: 2022-08-23
Filing date: 2022-08-23
Publication date: 2022-12-27
Anticipated expiration: 2032-08-23

Abstract

The utility model provides a canned motor pump with high-accuracy composite shaft of self-lubricating structure relates to canned motor pump technical field. The shielding electric pump with the self-lubricating high-precision composite shaft structure comprises a base, wherein a sector gear is arranged at the top of the base, a first gear is meshed and connected to one side of the sector gear, a circular sleeve is fixedly connected inside the first gear, and a second gear is fixedly connected to the outer side of the circular sleeve. This canned motor pump with high-accuracy composite shaft structure of self-lubricating, circular sleeve rotates and drives the second gear revolve, the second gear revolve drives the rack to one side motion, the rack drives the jam piece to one side motion, can take out the jam piece from the seal box inside this moment, the inside lubricating oil of seal box flows along the connecting strip this moment, can lubricate the composite shaft body this moment, prevent that the composite shaft body from rustting at the in-process of long-time use, the grow of wearing and tearing simultaneously, reduce the life of composite shaft body.

Description

Canned motor pump with self-lubricating high-precision composite shaft structure

Technical Field

The utility model relates to a canned motor pump specifically is canned motor pump with high-accuracy composite shaft structure of self-lubricating belongs to canned motor pump technical field.

Background

The canned motor pump is a leakless pump formed by canned motor and pump body, and is mainly formed from pump body, impeller, stator, rotor, front and rear bearings and thrust disk. The stator and rotor are separated by non-magnetic corrosion-resistant thin-wall sleeve, and the rotor is supported by front and rear bearings and immersed in the conveying medium, so that it has no need of dynamic seal to prevent the conveyed medium from leaking outwards. In general, canned pumps are centrifugal sealless pumps. The shield pump absolutely has no leakage, and outside air can not be sucked under the condition of negative pressure in the pump, so that the shield pump is particularly suitable for the operation of a vacuum system; meanwhile, it is suitable for high-pressure, high-melting point, high-low temperature medium. The canned motor pump has compact structure, small volume and light weight; no cooling fan, low noise, wide application range, reliable operation and relatively good working environment.

Traditional canned motor pump of high accuracy composite shaft structure is when lubricating canned motor pump, generally all need use the manual work to come to add lubricating oil to composite shaft, and the time-wasting needs artifical periodic maintenance, in case not the periodic maintenance, composite shaft rusts easily, and the increase of wearing and tearing reduces composite shaft's life, and then can carry out the improved design to high accuracy composite shaft structure.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims at providing a canned motor pump with high-accuracy compound axle construction of self-lubricating in order to solve among the prior art when lubricated canned motor pump, generally all need use the manual work to come to add lubricating oil to compound axle, and the dead time needs artifical periodic maintenance, in case not fixed periodic maintenance, and compound axle rusts easily, and the increase of wearing and tearing reduces the life's of compound axle problem.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the canned motor pump with the self-lubricating high-precision composite shaft structure comprises a base, wherein a sector gear is arranged at the top of the base, a first gear is meshed and connected to one side of the sector gear, a circular sleeve is fixedly connected to the inside of the first gear, a second gear is fixedly connected to the outer side of the circular sleeve, a rack is meshed and connected to the top of the second gear, a plugging block is fixedly connected to the top of the rack, a sealing box is slidably connected to the outer side of the plugging block, a connecting strip is fixedly connected to the inner wall of the sealing box and arranged at the bottom of the plugging block, and a reversing assembly is fixedly connected to the inside of the circular sleeve.

Preferably, the reversal subassembly includes the torsional spring, torsional spring fixed connection is in circular sleeve inner wall, torsional spring one end fixedly connected with bracing piece.

Preferably, the base top fixedly connected with protection casing, the inside motor that is provided with of protection casing through setting up the motor to this rotation that can pass through the motor drives the composite shaft body and rotates, and composite shaft body rotates and drives the impeller rotation, with this drainage of carrying on.

Preferably, protection casing one side fixedly connected with delivery port, the inside fixedly connected with backup pad of protection casing, backup pad fixed connection is in seal box one side, seal box bottom sliding connection has the slide bar, slide bar fixed connection is in the rack top, through setting up the slide bar, and then can support the rack, and the rack of being convenient for moves more stably.

Preferably, the backup pad rotates to be connected in circular sleeve one side, backup pad fixed connection is in bracing piece one side, through setting up the backup pad, and then can support circular sleeve and bracing piece, and the circular sleeve of being convenient for and bracing piece move more stably.

Preferably, protection casing one side is provided with the closing plate, threaded connection has the bolt between closing plate and the protection casing, through setting up the bolt, and then can fix and dismantle the closing plate fast.

Preferably, the inside rotation of protection casing is connected with compound axle body, compound axle body fixed connection is inside sector gear, the output and the compound axle body fixed connection of motor, compound axle body outside fixed connection has the impeller.

The utility model provides a canned motor pump with high-accuracy composite shaft of self-lubricating structure, its beneficial effect who possesses as follows:

1. this canned motor pump with high-accuracy composite shaft structure of self-lubricating, sector gear rotates and drives first gear revolve, first gear revolve drives circular sleeve and rotates, circular sleeve rotates and drives second gear revolve, second gear revolve drives the rack to a side motion, the rack drives the jam piece to a side motion, can take out the jam piece from the seal box inside this moment, the inside lubricating oil of seal box flows along the connecting strip this moment, can lubricate the composite shaft body this moment, prevent that the composite shaft body from rusting at the in-process of long-time use, the grow of wearing and tearing simultaneously, reduce the life of composite shaft body.

2. This canned motor pump with high-accuracy compound axle construction of self-lubricating, the torsional spring reversal drives the rack and moves to the opposite side, the rack drives the jam piece to the opposite side motion and moves to one side, the jam piece can move towards the seal box this moment, can seal the seal box this moment, when needs maintain the motor, can rotate the bolt this moment, can open the closing plate this moment, be convenient for maintain the electrical components of protection casing inside, through setting up the backup pad, and then can support round sleeve and bracing piece.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the protective cover of the present invention;

FIG. 3 is a schematic view of the structure of the water outlet of the present invention;

fig. 4 is a schematic view of the rack structure of the present invention;

fig. 5 is a schematic view of the sector gear structure of the present invention.

In the figure: 1. a base; 2. a sector gear; 3. a first gear; 4. a circular sleeve; 5. a second gear; 6. a rack; 7. a plugging block; 8. a sealing box; 9. a connecting strip; 10. a composite shaft body; 11. an impeller; 12. a torsion spring; 13. a support bar; 14. a slide bar; 15. a motor; 16. a support plate; 17. a protective cover; 18. a water outlet; 19. a sealing plate; 20. and (4) bolts.

Detailed Description

The embodiment of the utility model provides a canned motor pump with high-accuracy compound axle construction of self-lubricating.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, which includes a base 1, a sector gear 2 is disposed on the top of the base 1, a first gear 3 is engaged and connected to one side of the sector gear 2, a circular sleeve 4 is fixedly connected to the inside of the first gear 3, a second gear 5 is fixedly connected to the outside of the circular sleeve 4, a rack 6 is engaged and connected to the top of the second gear 5, a plugging block 7 is fixedly connected to the top of the rack 6, a sealing box 8 is slidably connected to the outside of the plugging block 7, a connecting strip 9 is fixedly connected to the inner wall of the sealing box 8, the connecting strip 9 is disposed at the bottom of the plugging block 7, a reverse component is fixedly connected to the inside of the circular sleeve 4, a shield 17 is fixedly connected to the top of the base 1, a motor 15 is disposed inside the shield 17, by disposing the motor 15, so that the composite shaft body 10 can be driven to rotate by the rotation of the motor 15, the composite shaft body 10 rotates to drive the impeller 11 to drain, a seal plate 19 is disposed on one side of the shield 17, a bolt 20 is threadedly connected between the shield 19 and the shield 17, and an output end of the composite shaft 10 is connected to the composite shaft body, and an output end of the composite shaft 10 connected to the composite shaft 10.

Specifically, the method comprises the following steps: when using this canned motor pump, starter motor 15 this moment, motor 15 drives compound axle body 10 and rotates, compound axle body 10 rotates and drives sector gear 2 and rotate, sector gear 2 rotates and drives first gear 3 and rotate, first gear 3 rotates and drives circular sleeve 4 and rotate, circular sleeve 4 rotates and drives second gear 5 and rotate, second gear 5 rotates and drives rack 6 to the side motion, rack 6 drives jam piece 7 to the side motion to one side motion, can take out jam piece 7 from seal box 8 is inside this moment, the inside lubricating oil of seal box 8 flows along connecting strip 9 this moment, can lubricate compound axle body 10 this moment, prevent that compound axle body 10 from rusting at the in-process of long-time use, wearing and tearing grow simultaneously, reduce the life of compound axle body 10.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 again, the reversing component includes a torsion spring 12, the torsion spring 12 is fixedly connected to the inner wall of the circular sleeve 4, one end of the torsion spring 12 is fixedly connected with a support rod 13, one side of the protective cover 17 is fixedly connected with a water outlet 18, an inner portion of the protective cover 17 is fixedly connected with a support plate 16, the support plate 16 is fixedly connected to one side of the seal box 8, the bottom of the seal box 8 is slidably connected with a slide rod 14, the slide rod 14 is fixedly connected to the top of the rack 6, by setting the slide rod 14, and further, the rack 6 can be supported, the operation of the rack 6 is more stable, the support plate 16 is rotatably connected to one side of the circular sleeve 4, the support plate 16 is fixedly connected to one side of the support rod 13, and by setting the support plate 16, and further, the circular sleeve 4 and the support rod 13 can be supported, and the operation of the circular sleeve 4 and the support rod 13 is more stable.

Specifically, the method comprises the following steps: after sector gear 2 rotates the round, circular sleeve 4 received torsional spring 12's elasticity this moment, and then can drive circular sleeve 4 reversal, circular sleeve 4 reversal drives second gear 5 reversal, second gear 5 reversal drives rack 6 to the opposite side motion, rack 6 drives jam piece 7 to the motion of one side to the motion of opposite side, jam piece 7 can move towards seal box 8 this moment, can seal box 8 this moment, when needs maintain motor 15, can rotate bolt 20 this moment, can open closing plate 19 this moment, be convenient for maintain the electrical components of protection casing 17 inside, through setting up backup pad 16, and then can support circular sleeve 4 and bracing piece 13.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Canned motor pump with compound axle construction of self-lubricating high accuracy, including base (1), its characterized in that: base (1) top is provided with sector gear (2), sector gear (2) one side meshing is connected with first gear (3), the inside fixedly connected with circular sleeve (4) of first gear (3), circular sleeve (4) outside fixedly connected with second gear (5), second gear (5) top meshing is connected with rack (6), rack (6) top fixedly connected with jam piece (7), jam piece (7) outside sliding connection has seal box (8), seal box (8) inner wall fixedly connected with connecting strip (9), connecting strip (9) set up in jam piece (7) bottom, the inside fixedly connected with reversal subassembly of circular sleeve (4).

2. The canned motor pump with self-lubricating high-precision composite shaft structure of claim 1, characterized in that: the reversing assembly comprises a torsion spring (12), the torsion spring (12) is fixedly connected to the inner wall of the circular sleeve (4), and one end of the torsion spring (12) is fixedly connected with a supporting rod (13).

3. The canned motor pump with self-lubricating high-precision composite shaft structure of claim 2, characterized in that: the base (1) top fixedly connected with protection casing (17), protection casing (17) inside is provided with motor (15).

4. The canned motor pump with self-lubricating high-precision composite shaft structure of claim 3, characterized in that: protection casing (17) one side fixedly connected with delivery port (18), protection casing (17) inside fixedly connected with backup pad (16), backup pad (16) fixed connection is in seal box (8) one side, seal box (8) bottom sliding connection has slide bar (14), slide bar (14) fixed connection is in rack (6) top.

5. The canned motor pump with self-lubricating high-precision composite shaft structure of claim 4, wherein: the supporting plate (16) is rotatably connected to one side of the circular sleeve (4), and the supporting plate (16) is fixedly connected to one side of the supporting rod (13).

6. The canned motor pump with self-lubricating high precision composite shaft structure of claim 4, characterized in that: a sealing plate (19) is arranged on one side of the protective cover (17), and a bolt (20) is connected between the sealing plate (19) and the protective cover (17) in a threaded mode.

7. The canned motor pump with self-lubricating high precision composite shaft structure of claim 4, characterized in that: the utility model discloses a fan-shaped gear, including protection casing (17), compound axle body (10) are connected with in inside rotation of protection casing (17), compound axle body (10) fixed connection is inside sector gear (2), the output and compound axle body (10) fixed connection of motor (15), compound axle body (10) outside fixedly connected with impeller (11).