CN220234382U - Brushless motor of removable stator - Google Patents

Abstract

The utility model discloses a brushless motor with a replaceable stator, which comprises an outer shell, a front end cover and a base, wherein a plurality of radiating fins are arranged on the outer side of the outer shell, mounting rings are arranged on the outer shell and the front end cover, two groups of mounting rings are correspondingly attached, three groups of mounting holes are formed in the two groups of mounting rings, a group of small bolts are respectively connected in the three groups of mounting holes in a threaded manner, a rotor piece is arranged in the outer shell, the front end and the rear end of the rotor piece are respectively connected with a driving shaft and a rear baffle, the driving shaft penetrates through the outer side of the front end cover, an upper clamping plate and a lower clamping plate are symmetrically arranged on the inner wall of the outer shell, and the rotor piece and the rear baffle are fixed on the lower clamping plate.

Description

Brushless motor of removable stator

Technical Field

The utility model relates to the technical field of brushless motors, in particular to a brushless motor with a replaceable stator.

Background

The brushless motor is opposite to the working principle of the traditional brush motor, a coil which is fixedly wound in the brushless motor is used as a stator, a permanent magnet is used as a rotor, a direct current power supply is converted into a three-phase alternating current circuit through a control circuit and then is transmitted to the coil, the coil can generate a magnetic field which is alternately changed, and the permanent magnet rotates under the action of magnetic force in the magnetic field generated by the coil;

compared with a brush motor, the brushless motor has the advantages that relative friction does not exist between the stator and the rotor of the brushless motor, so that kinetic energy loss is small, occupied space is small, the brushless motor has wider application prospect in the field of high rotating speed and high integration level, but the brushless motor is relatively expensive, the brushless motor is inconvenient to maintain after damage, the use cost is higher, the motor shell or the end cover is required to be dismantled when the stator is replaced by the existing brushless motor, parts blocking the stator are required to be comprehensively disassembled, then the stator can be replaced, the operation is quite inconvenient and the parts are required to be disassembled, the reinstallation is quite laborious, meanwhile, most of the base structures of the existing brushless motor are of fixed structures, the motor cannot be axially adjusted after the motor is installed and fixed, the operability and the applicability of the motor are reduced, and the base is required to be disassembled when the motor is disassembled, so that the motor is required to be upgraded and modified on the basis of the prior art.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide the brushless motor with the replaceable stator, which can realize the extraction control of the lower clamping plate and the upper end part thereof, is convenient for replacing and overhauling the internal stator, does not need to comprehensively disassemble the motor outer shell and the blocking part, can realize the position adjustment of the motor after installation, is convenient for adapting to different external connection conditions, and improves the operability and applicability of the motor.

In order to solve the problems, the following technical scheme is provided:

the utility model provides a brushless motor of removable stator, includes shell body, front end housing and base, all be provided with collar and two sets of collars on shell body and the front end housing and correspond the laminating, be provided with the rotor spare in the shell body, rotor spare front and back end is connected with drive shaft and backplate respectively and drive shaft runs through to the front end housing outside, the symmetry is provided with cardboard and lower cardboard on the shell body inner wall, the rotor spare is fixed on lower cardboard with the backplate, shell body both sides lower extreme is fixed with supporting leg and supporting leg lower extreme is equipped with the stopper, set up spacing spout on the base, the stopper slides and is located spacing spout.

Furthermore, the two sides of the upper clamping plate are provided with inserting grooves, the two sides of the lower clamping plate are provided with inserting strips, and the inserting strips correspond to the inserting grooves.

Further, a plurality of heat dissipation holes are formed in the upper clamping plate and the lower clamping plate, and the heat dissipation holes are attached to the inner wall of the outer shell.

Further, a guide rail is arranged on the base, and the supporting legs are connected with fastening bolts in a threaded mode and located in the guide rail.

Further, a connecting plate is arranged in the middle of the base.

Further, two groups of support frames are fixed in the lower clamping plate, and the support frames are supported at the lower ends of the rotor parts through driving shafts at two sides.

Further, a plurality of radiating fins are arranged on the outer side of the shell.

Further, the supporting legs are at least symmetrically provided with two groups.

Furthermore, three groups of mounting holes are formed in the mounting rings, and a group of small bolts are respectively screwed in the three groups of mounting holes.

Furthermore, a nut is welded on the back of the mounting ring on the outer shell in advance, and the small bolt is screwed in the nut.

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

the front end cover, the small bolts, the upper clamping plate, the lower clamping plate, the inserting grooves and the inserting bars are arranged in the device, when the device is used, the front end cover can be disassembled and assembled through the small bolts, the lower clamping plate can be pulled through the inserting grooves and the inserting bars, so that the stator moves along with the lower clamping plate, the lower clamping plate and upper end parts of the lower clamping plate can be pulled out to be controlled, the replacement and overhaul operation of the inner stator can be conveniently performed, the motor shell and the blocking parts are not required to be completely disassembled, the structure is simple, the operation is convenient, and a large amount of overhaul and replacement time is saved.

According to the utility model, the supporting legs, the limiting blocks, the fastening bolts, the base, the limiting sliding grooves and the guide rails are arranged in the device, the base is fixed when the device is used, the supporting legs and the limiting blocks slide in the limiting sliding grooves, the supporting legs drive the motor to move back and forth, the fastening bolts fasten the limiting blocks, the position of the motor after installation can be adjusted, the device is convenient to adapt to different external connection conditions, the operability and applicability of the motor are improved, the motor is convenient to disassemble and overhaul, and the problem that the base is time-consuming and labor-consuming to disassemble is avoided.

Specific embodiments of the utility model are disclosed in detail below with reference to the following description and drawings, indicating the manner in which the principles of the utility model may be employed. It should be understood that the embodiments of the utility model are not limited in scope thereby. The embodiments of the utility model include many variations, modifications and equivalents within the spirit and scope of the appended claims.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure according to the present utility model;

FIG. 2 is a front end cap structure disassembled view according to the present utility model;

FIG. 3 is a cross-sectional view of an internal structure according to the present utility model;

fig. 4 is an exploded view of a base structure according to the present utility model.

In the figure: 1. an outer housing; 2. a heat radiation fin; 3. a front end cover; 4. a mounting ring; 5. a rotor member; 6. a drive shaft; 7. a rear baffle; 8. a mounting hole; 9. a small bolt; 10. an upper clamping plate; 11. a lower clamping plate; 12. a plug-in groove; 13. a plug strip; 14. a heat radiation hole; 15. support legs; 16. a limiting block; 17. a fastening bolt; 18. a base; 19. limiting sliding grooves; 20. a guide rail; 21. a connecting plate; 22. and (5) supporting frames.

Description of the embodiments

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, the brushless motor with the replaceable stator according to the embodiment includes an outer housing 1, a front end cover 3 and a base 18, wherein mounting rings 4 are respectively arranged on the outer housing 1 and the front end cover 3, the two groups of mounting rings 4 are correspondingly attached, a rotor piece 5 is arranged in the outer housing 1, the front end and the rear end of the rotor piece 5 are respectively connected with a driving shaft 6 and a rear baffle 7, the driving shaft 6 penetrates through the outer side of the front end cover 3, an upper clamping plate 10 and a lower clamping plate 11 are symmetrically arranged on the inner wall of the outer housing 1, the rotor piece 5 and the rear baffle 7 are fixed on the lower clamping plate 11, supporting legs 15 are fixed at the lower ends of two sides of the outer housing 1, limiting blocks 16 are arranged at the lower ends of the supporting legs 15, limiting sliding grooves 19 are formed in the base 18, and the limiting blocks 16 are slidably arranged in the limiting sliding grooves 19.

Preferably, the two sides of the upper clamping plate 10 are provided with inserting grooves 12, the two sides of the lower clamping plate 11 are provided with inserting strips 13, the inserting strips 13 correspond to the inserting grooves 12, and the upper clamping plate 10 and the lower clamping plate 11 are conveniently inserted in a sliding guide manner through the matching of the inserting grooves 12 and the inserting strips 13.

Preferably, a plurality of heat dissipation holes 14 are formed in the upper clamping plate 10 and the lower clamping plate 11, the heat dissipation holes 14 are attached to the inner wall of the outer shell 1, the rotor piece 5 and the motor are conveniently conducted with the outer shell 1 through the heat dissipation holes 14, and the heat dissipation effect of the motor is not affected.

Preferably, a guide rail 20 is arranged on the base 18, the supporting legs 15 are in threaded connection with the fastening bolts 17, the fastening bolts 17 are located in the guide rail 20, and the fastening bolts 17 are conveniently avoided through the guide rail 20, so that the fastening bolts 17 can move on the base 18.

Preferably, a connecting plate 21 is arranged in the middle of the base 18, so that the bases 18 on two sides can be conveniently connected.

Preferably, two groups of supporting frames 22 are fixed in the lower clamping plate 11, the supporting frames 22 are supported at the lower ends of the driving shafts 6 at two sides of the rotor piece 5, and the rotor piece 5 and the driving shafts 6 are supported in a rotating manner through the supporting frames 22, so that the rotor piece 5 is more stable.

Preferably, a plurality of radiating fins 2 are arranged on the outer side of the outer shell 1, so that the outer shell 1 is convenient to radiate heat, and damage caused by heating of the outer shell 1 is avoided.

Preferably, at least two groups of supporting legs 15 are symmetrically arranged, so as to increase the stability of the supporting legs.

Preferably, three groups of mounting holes 8 are formed in the mounting ring 4, a group of small bolts 9 are respectively screwed into the three groups of mounting holes 8, and the outer shell 1 and the front end cover 3 are conveniently and detachably connected through the mounting holes 8 and the small bolts 9.

Preferably, a nut is welded on the back of the mounting ring 4 on the outer shell 1, and the small bolt 9 is screwed into the nut, so that the stability of the small bolt 9 is improved.

The application principle and the application flow of the utility model are as follows: during the use, dismantle front end housing 3 from shell 1 front end through little bolt 9, then take out lower cardboard 11 from shell 1, motor internals and rotor spare 5 are taken out from shell 1 along with lower cardboard 11, can change and overhaul the stator this moment, overhaul or change the stator after with lower cardboard 11 through grafting strip 13 and grafting groove 12 cooperation grafting to shell 1 can, go up cardboard 10 and lower cardboard 11 position symmetry this moment, reset front end housing 3 and can use again, be convenient for dispel the heat the operation to the motor body through louvre 14 and fin 2 cooperation, when need install the motor, can fix the motor in the assigned position through base 18, through drive shaft 6 and external rotation equipment connection can, when facing different installation conditions and environment, can unscrew fastening bolt 17, make the motor slide along spacing spout 19 direction back through stopper 16 and supporting leg 15, screw up fastening bolt 17 can fix the motor after adjusting to the assigned position, can directly take down fastening bolt 17 when need dismantle the motor, take out the motor along the spout 19 directly, need not dismantle the base 18.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to specific circumstances.

Claims (10)

1. A brushless motor with a replaceable stator, characterized in that: including shell body (1), front end housing (3) and base (18), all be provided with collar (4) and two sets of collar (4) on shell body (1) and front end housing (3) and correspond the laminating, be provided with rotor piece (5) in shell body (1), rotor piece (5) front and back end are connected with drive shaft (6) and backplate (7) respectively and drive shaft (6) run through to the front end housing (3) outside, symmetry is provided with cardboard (10) and lower cardboard (11) on shell body (1) inner wall, rotor piece (5) and backplate (7) are fixed on lower cardboard (11), shell body (1) both sides lower extreme is fixed with supporting leg (15) and supporting leg (15) lower extreme is equipped with stopper (16), limit chute (19) have been seted up on base (18), stopper (16) slide and are located limit chute (19).

2. A brushless motor with replaceable stator according to claim 1, wherein: the two sides of the upper clamping plate (10) are provided with inserting grooves (12), the two sides of the lower clamping plate (11) are provided with inserting strips (13), and the inserting strips (13) correspond to the inserting grooves (12).

3. A brushless motor with replaceable stator according to claim 1, wherein: a plurality of radiating holes (14) are formed in the upper clamping plate (10) and the lower clamping plate (11), and the radiating holes (14) are attached to the inner wall of the outer shell (1).

4. A brushless motor with replaceable stator according to claim 1, wherein: the base (18) is provided with a guide rail (20), the supporting legs (15) are in threaded connection with fastening bolts (17), and the fastening bolts (17) are located in the guide rail (20).

5. A brushless motor with replaceable stator according to claim 1, wherein: a connecting plate (21) is arranged in the middle of the base (18).

6. A brushless motor with replaceable stator according to claim 1, wherein: two groups of supporting frames (22) are fixed in the lower clamping plate (11), and the supporting frames (22) are supported at the lower ends of the rotor pieces (5) through driving shafts (6) at two sides.

7. A brushless motor with replaceable stator according to claim 1, wherein: a plurality of radiating fins (2) are arranged on the outer side of the outer shell (1).

8. A brushless motor with replaceable stator according to claim 1, wherein: the supporting legs (15) are at least symmetrically provided with two groups.

9. A brushless motor with replaceable stator according to claim 1, wherein: three groups of mounting holes (8) are formed in the mounting ring (4), and a group of small bolts (9) are respectively screwed in the three groups of mounting holes (8).

10. A brushless motor with replaceable stator as claimed in claim 9, wherein: the back of the mounting ring (4) on the outer shell (1) is welded with a nut in advance, and the small bolt (9) is connected in the nut in a threaded manner.