CN217388494U - Double-stator magnetic suspension permanent magnet brushless direct current motor - Google Patents

Abstract

The utility model belongs to the field of direct current motors, in particular to a double-stator magnetic suspension permanent magnet brushless direct current motor, which comprises a body; an end cover is arranged at the rear end of the body; a fan is arranged inside the rear end of the body; a group of heat dissipation holes are formed in the surface of the end cover; one end of the fan, which is far away from the body, is fixedly connected with a first bevel gear; a second bevel gear is arranged on the front side of the first bevel gear; the front part of the second bevel gear is provided with a transmission shell; a group of internal gears are arranged at the top end and the bottom end inside the transmission shell; the front end of the second bevel gear is fixedly connected with a rotating disc; the top end of the rotating disc is provided with an outer gear; one end of the transmission shell, which is far away from the body, is fixedly connected with a connecting plate; a group of thimbles is fixedly connected to the other side of the connecting plate; through setting up the thimble for the thimble is continuous to remove in the louvre, thereby ejecting with the inside dust of louvre and earth, avoids dust and earth to cause the jam to the louvre, thereby influences the radiating effect of motor.

Description

Double-stator magnetic suspension permanent magnet brushless direct current motor

Technical Field

The utility model relates to a direct current motor technical field specifically is a two stator magnetic suspension permanent magnetism brushless direct current motor.

Background

A direct current motor refers to a kind of rotating electrical machine that can convert direct current electrical energy into mechanical energy.

The direct current motor is divided into a plurality of types, one of the direct current motors is a double-stator magnetic suspension permanent magnet brushless direct current motor, and the double-stator magnetic suspension permanent magnet brushless direct current motor dissipates heat through heat dissipation holes of the end cover.

In the prior art, after a traditional double-stator magnetic suspension permanent magnet brushless direct current motor is used for a long time, a heat dissipation hole can be blocked by a lot of dust and mud, so that the heat dissipation effect of the double-stator magnetic suspension permanent magnet brushless direct current motor can be influenced; therefore, a double-stator magnetic suspension permanent magnet brushless direct current motor is provided to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to compensate prior art's not enough, can be blockked up by the dust and the earth of a lot in solving the radiating hole to can influence the problem of two stator magnetic suspension permanent magnet brushless DC motor's radiating effect, the utility model provides a two stator magnetic suspension permanent magnet brushless DC motor.

The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to a double-stator magnetic suspension permanent magnet brushless direct current motor, which comprises a body; an end cover is arranged at the rear end of the body; a fan is arranged inside the rear end of the body; a group of heat dissipation holes are formed in the surface of the end cover; one end of the fan, which is far away from the body, is fixedly connected with a first bevel gear; a second bevel gear is arranged on the front side of the first bevel gear, and the first bevel gear is meshed with the second bevel gear; the bottom of the second bevel gear is provided with a first supporting rod; the bottom end of the first supporting rod is fixedly connected with the bottom end inside the end cover, and the rod body part of the second bevel gear penetrates through the first supporting rod and is in running fit with the first supporting rod; the front part of the second bevel gear is provided with a transmission shell; a group of internal gears are arranged at the top end and the bottom end inside the transmission shell; the front end of the second bevel gear is fixedly connected with a rotating disc; the top end of the rotating disc is provided with an outer gear, and the inner gear is meshed with the outer gear; second support rods are arranged on two sides of the bottom of the transmission shell, and the bottom ends of the second support rods are fixedly connected with the bottom end inside the end cover; slide bars are fixedly connected to two sides of the bottom end of the transmission shell; the top ends of the second supporting rods are provided with sliding grooves, and the bottom ends of the sliding rods are located in the sliding grooves; one end of the transmission shell, which is far away from the body, is fixedly connected with a connecting plate; a group of thimbles is fixedly connected to the other side of the connecting plate; through setting up the thimble for the thimble is continuous to remove in the louvre, thereby ejecting with the inside dust of louvre and earth, avoids dust and earth to cause the jam to the louvre, thereby influences the radiating effect of motor.

Preferably, the surface of the connecting plate is provided with a group of round holes; push rods are arranged in the round holes; one side of the round hole, which is far away from the body, is provided with an annular groove; a rod body part of the pushing rod, which is far away from one end of the body, penetrates and is fixedly connected with a disc, and the disc is in rotating fit with the annular groove; sleeves are fixedly connected to the outer ring surfaces of the sides, far away from the pushing rod, of the discs; a group of closely arranged bristles is fixedly connected to the outer ring surface of the sleeve; vent holes are formed in one side, close to the circular hole, of each thimble; this structure is through setting up the brush hair for dust and the earth of louvre inside wall adhesion are swept away through the brush hair, and further the dustless in the louvre has been ensured.

Preferably, one end of the annular groove far away from the thimble is fixedly connected with a limiting slide rod; the outer ring surface of the sleeve is provided with limit ring grooves, and limit slide bars are positioned in the limit ring grooves and are in sliding fit with the limit ring grooves; the limiting function is achieved.

Preferably, a group of buffer holes which are uniformly distributed at intervals are formed in the surface of the connecting plate, and the buffer holes and the round holes are arranged in a staggered mode; the blowing force of hot air is reduced, the heat dissipation is enhanced, and the transverse movement of the transmission shell can be normal.

Preferably, an air deflector is fixedly connected to one side of the second support rod close to the body, and the top end of the air deflector extends to the top of the transmission shell and faces upwards; reduce the wind-force that the transmission shell received, avoid receiving wind-force influence.

Preferably, the distance between the transmission shell and the air deflector is greater than the distance between the connecting plate and the inner side wall of the end cover; the air deflector is prevented from influencing the movement of the transmission shell.

The utility model discloses an useful part lies in:

1. the utility model discloses a fan rotates, the external gear can drive the internal gear at transmission shell top and carry out lateral shifting when rotating, thereby transmission shell lateral shifting, when the external gear rotates to the below, can drive the reverse lateral shifting of internal gear, and then drive the reverse lateral shifting of transmission shell, and then the transmission shell drives the left and right sides of connecting plate one end and moves, thereby through setting up the thimble, make the thimble move in the louvre constantly, thereby push out the dust and the earth inside the louvre, avoid dust and earth to cause the jam to the louvre, thereby influence the radiating effect of motor;

2. the utility model discloses a hot-blast drive push rod rotates, and push rod drives the disc and rotates, and the disc drives the sleeve and rotates, and the sleeve drives the brush hair and rotates, and when the sleeve removed to the thermovent in, the brush hair can be swept away the dust and the earth of louvre inside wall adhesion, and then this structure is through setting up the brush hair for sweep away the dust and the earth of louvre inside wall adhesion through the brush hair, further guarantee the dustless in the thermovent.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a perspective view of a first embodiment;

FIG. 2 is a schematic cross-sectional view illustrating a first embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 2 at B;

FIG. 5 is an enlarged view of a portion of FIG. 3 at C;

FIG. 6 is a cross-sectional view of the second embodiment;

fig. 7 is a partially enlarged view of a portion D in fig. 6.

In the figure: 1. a body; 2. an end cap; 3. a fan; 4. heat dissipation holes; 5. a first bevel gear; 6. a second bevel gear; 7. a first support bar; 8. a drive housing; 9. an internal gear; 10. rotating the disc; 11. an outer gear; 12. a second support bar; 13. a chute; 14. a slide bar; 15. a connecting plate; 16. a thimble; 17. a circular hole; 18. a push rod; 19. a disc; 20. an annular groove; 21. a sleeve; 22. brushing; 23. a vent hole; 24. a limiting slide bar; 25. a limiting ring groove; 26. a buffer hole; 27. an air deflector; 28. and a roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example one

Referring to fig. 1-5, a double-stator magnetic suspension permanent magnet brushless dc motor includes a main body 1; an end cover 2 is arranged at the rear end of the body 1; a fan 3 is arranged in the rear end of the body 1; a group of heat dissipation holes 4 are formed in the surface of the end cover 2; one end of the fan 3, which is far away from the body 1, is fixedly connected with a first bevel gear 5; a second bevel gear 6 is arranged on the front side of the first bevel gear 5, and the first bevel gear 5 is meshed with the second bevel gear 6; the bottom of the second bevel gear 6 is provided with a first supporting rod 7; the bottom end of the first supporting rod 7 is fixedly connected with the bottom end inside the end cover 2, and the rod body part of the second bevel gear 6 penetrates through the first supporting rod 7 and is in running fit with the first supporting rod 7; the front part of the second bevel gear 6 is provided with a transmission shell 8; a group of inner gears 9 are arranged at the top end and the bottom end inside the transmission shell 8; the front end of the second bevel gear 6 is fixedly connected with a rotating disc 10; the top end of the rotating disc 10 is provided with an outer gear 11, and the inner gear 9 is meshed with the outer gear 11; two sides of the bottom of the transmission shell 8 are respectively provided with a second support rod 12, and the bottom ends of the second support rods 12 are fixedly connected with the bottom end inside the end cover 2; slide bars 14 are fixedly connected to two sides of the bottom end of the transmission shell 8; the top ends of the second support rods 12 are all provided with sliding grooves 13, and the bottom ends of the sliding rods 14 are all positioned in the sliding grooves 13; one end of the transmission shell 8, which is far away from the body 1, is fixedly connected with a connecting plate 15; a group of thimbles 16 are fixedly connected to the other side of the connecting plate 15; when the motor works, the fan 3 rotates, at the moment, the fan 3 drives the first bevel gear 5 to rotate, the first bevel gear 5 drives the second bevel gear 6 to rotate, the second bevel gear 6 drives the rotating disc 10 to rotate, the rotating disc 10 rotates through the external gear 11 at the top end, the external gear 11 drives the internal gear 9 at the top of the transmission shell 8 to move transversely while rotating, so that the transmission shell 8 moves transversely, when the external gear 11 rotates to the lower part, the internal gear 9 is driven to move transversely in the reverse direction, so that the transmission shell 8 moves transversely in the reverse direction, at the moment, the transmission shell 8 moves left and right continuously, further the transmission shell 8 drives one end of the connecting plate 15 to move left and right, the connecting plate 15 drives the ejector pins 16 to move left and right, at the moment, the ejector pins 16 move in the heat dissipation holes 4 at intervals, so that the ejector pins 16 continuously move in the heat dissipation holes 4 by arranging the ejector pins 16, thereby ejecting the inside dust and the earth of louvre 4, avoid dust and earth to cause the jam to louvre 4 to influence the radiating effect of motor.

A group of round holes 17 are formed in the surface of the connecting plate 15; the round holes 17 are internally provided with push rods 18; one side of the circular hole 17 far away from the body 1 is provided with an annular groove 20; a disc 19 is fixedly connected to the rod body part of the pushing rod 18 at the end far away from the body 1 in a penetrating manner, and the disc 19 is in running fit with the annular groove 20; the outer ring surface of one side of the disc 19, which is far away from the push rod 18, is fixedly connected with a sleeve 21; a group of closely arranged bristles 22 are fixedly connected to the outer ring surface of the sleeve 21; vent holes 23 are formed in one side, close to the round hole 17, of the thimble 16; one end of the annular groove 20 far away from the thimble 16 is fixedly connected with a limiting slide rod 24; the outer ring surfaces of the sleeves 21 are provided with limit ring grooves 25, and limit sliding rods 24 are positioned in the limit ring grooves 25 and are in sliding fit with the limit ring grooves; at the during operation, the hot-blast entering round hole 17 that gives off, hot-blast drive push rod 18 rotates, push rod 18 drives disc 19 and rotates, disc 19 drives sleeve 21 and rotates, sleeve 21 drives brush hair 22 and rotates, when sleeve 21 removes to louvre 4 in, brush hair 22 can be swept away the dust and the earth of 4 inside wall adhesions of louvre, and then this structure is through setting up brush hair 22, make to sweep away the dust and the earth of 4 inside wall adhesions of louvre through brush hair 22, further dustless in the louvre 4 of having ensured.

A group of buffer holes 26 which are uniformly distributed at intervals are formed in the surface of the connecting plate 15, and the buffer holes 26 and the round holes 17 are arranged in a staggered mode; during operation, the buffer holes 26 are arranged, so that the blowing force of hot air is reduced, heat dissipation is enhanced, and the transmission shell 8 can normally and transversely move conveniently.

An air deflector 27 is fixedly connected to one side of the second support rod 12 close to the body 1, and the top end of the air deflector 27 extends to the top of the transmission shell 8 and faces upwards; the distance between the transmission shell 8 and the air deflector 27 is greater than the distance between the connecting plate 15 and the inner side wall of the end cover 2; the wind power received by the transmission shell 8 is reduced, and the influence of the wind power is avoided.

Example two

Referring to fig. 6 to 7, in the first comparative example, as another embodiment of the present invention, rollers 28 are installed at the top ends of the sliding rods 14, and the rollers 28 are located in the sliding grooves 13; in operation, the rollers 28 can greatly reduce friction between the sliding rod 14 and the sliding slot 13, thereby facilitating the lateral movement of the transmission housing 8.

The working principle is that, in operation, under the condition that the motor works, the fan 3 rotates, at the moment, the fan 3 drives the first bevel gear 5 to rotate, the first bevel gear 5 drives the second bevel gear 6 to rotate, the second bevel gear 6 drives the rotating disc 10 to rotate, the rotating disc 10 rotates through the external gear 11 at the top end, the external gear 11 can drive the internal gear 9 at the top of the transmission shell 8 to move transversely while rotating, so that the transmission shell 8 moves transversely, when the external gear 11 rotates to the lower part, the internal gear 9 can be driven to move transversely in a reverse direction, the transmission shell 8 is driven to move transversely in a reverse direction, the transmission shell 8 can move leftwards and rightwards continuously, the transmission shell 8 drives one end of the connecting plate 15 to move leftwards and rightwards, the connecting plate 15 drives the ejector pins 16 to move leftwards and rightwards, at the spaced heat dissipation holes of the ejector pins 16 move in the heat dissipation holes 4, and the dissipated hot air enters the circular holes 17, hot-blast drive push rod 18 rotates, push rod 18 drives disc 19 and rotates, disc 19 drives sleeve 21 and rotates, sleeve 21 drives brush hair 22 and rotates, when sleeve 21 removes in louvre 4, brush hair 22 can be swept dust and the earth of 4 inside wall adhesions of louvre, and then this structure is through setting up brush hair 22, make dust and the earth of 4 inside wall adhesions of louvre sweep through brush hair 22, further dustless in louvre 4 has been ensured, thereby through setting up thimble 16, make thimble 16 continuous remove in louvre 4, thereby ejecting with the inside dust of louvre 4 and earth, avoid dust and earth to cause the jam to louvre 4, thereby influence the radiating effect of motor.

In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. 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.

Claims (6)

1. A double-stator magnetic suspension permanent magnet brushless direct current motor is characterized in that: comprises a body (1); the rear end of the body (1) is provided with an end cover (2); a fan (3) is arranged in the rear end of the body (1); a group of heat dissipation holes (4) are formed in the surface of the end cover (2); one end of the fan (3) far away from the body (1) is fixedly connected with a first bevel gear (5); a second bevel gear (6) is arranged on the front side of the first bevel gear (5), and the first bevel gear (5) is meshed with the second bevel gear (6); a first supporting rod (7) is arranged at the bottom of the second bevel gear (6); the bottom end of the first supporting rod (7) is fixedly connected with the bottom end inside the end cover (2), and the rod body part of the second bevel gear (6) penetrates through the first supporting rod (7) and is in running fit with the first supporting rod; a transmission shell (8) is arranged at the front part of the second bevel gear (6); the top end and the bottom end in the transmission shell (8) are both provided with a group of internal gears (9); the front end of the second bevel gear (6) is fixedly connected with a rotating disc (10); the top end of the rotating disc (10) is provided with an external gear (11), and the internal gear (9) is meshed with the external gear (11); second support rods (12) are arranged on two sides of the bottom of the transmission shell (8), and the bottom ends of the second support rods (12) are fixedly connected with the bottom end inside the end cover (2); slide bars (14) are fixedly connected to two sides of the bottom end of the transmission shell (8); the top ends of the second supporting rods (12) are provided with sliding grooves (13), and the bottom ends of the sliding rods (14) are located in the sliding grooves (13); one end of the transmission shell (8) far away from the body (1) is fixedly connected with a connecting plate (15); and the other side of the connecting plate (15) is fixedly connected with a group of thimbles (16).

2. A double-stator magnetic levitation permanent magnet brushless dc motor as claimed in claim 1, wherein: a group of round holes (17) are formed in the surface of the connecting plate (15); a pushing rod (18) is arranged in each round hole (17); one side of the round hole (17) far away from the body (1) is provided with an annular groove (20); a disc (19) is fixedly connected to the rod body part of one end, far away from the body (1), of the pushing rod (18) in a penetrating mode, and the disc (19) is in rotating fit with the annular groove (20); the outer ring surfaces of the sides, far away from the pushing rod (18), of the circular discs (19) are fixedly connected with sleeves (21); the outer ring surface of the sleeve (21) is fixedly connected with a group of closely arranged bristles (22); and vent holes (23) are formed in one side of the ejector pin (16) close to the round hole (17).

3. A double-stator magnetic levitation permanent magnet brushless dc motor as claimed in claim 2, wherein: one end of the annular groove (20) far away from the thimble (16) is fixedly connected with a limiting slide rod (24); the outer ring surface of the sleeve (21) is provided with a limiting ring groove (25), and the limiting sliding rods (24) are located in the limiting ring groove (25) and are in sliding fit with the limiting ring groove.

4. A double-stator magnetic levitation permanent magnet brushless dc motor as claimed in claim 3, wherein: a plurality of buffer holes (26) which are evenly distributed at intervals are formed in the surface of the connecting plate (15), and the buffer holes (26) and the round holes (17) are arranged in a staggered mode.

5. A double-stator magnetic suspension permanent magnet brushless DC motor according to claim 4, characterized in that: an air deflector (27) is fixedly connected to one side of the second support rod (12) close to the body (1), and the top end of the air deflector (27) extends to the top of the transmission shell (8) and faces upwards.

6. A double-stator magnetic suspension permanent magnet brushless DC motor according to claim 5, characterized in that: the distance between the transmission shell (8) and the air guide plate (27) is larger than the distance between the connecting plate (15) and the inner side wall of the end cover (2).

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