CN214799125U - Brushless micromotor - Google Patents

Abstract

The utility model discloses a brushless micromotor, motor main part and fixed mounting including one side demountable installation have dustproof subassembly are used for accelerating the initiative radiator unit of the air current velocity of flow in motor main part opposite side, the equidistance is constructed on motor main part's the outer fringe face has polylith rectangle cooling ring, and the equal equidistance of four sides of polylith rectangle cooling ring one side sets up a plurality of round holes that supply the heat absorption pipe to pass, many the heat absorption pipe all switches on in initiative radiator unit, and the motor shaft drive that initiative radiator unit passes through motor main part, dustproof subassembly is passed to motor main part's motor shaft, dustproof subassembly includes the mounting panel and the lantern ring. This brushless micromotor can in time dispel the heat to motor inside, improves the life of motor by a wide margin, applicable in the operation of high strength, and dustproof performance is higher, can avoid appearing because of the condition that the dust advances the wearing and tearing of bearing in entering the motor, has reduced the frequency of maintaining, has brought the facility for the user.

Description

Brushless micromotor

Technical Field

The utility model belongs to the technical field of micromotor, concretely relates to brushless micromotor.

Background

The brushless micromotor, which is called a brushless micromotor in the whole, refers to a motor with a diameter less than 160mm or a rated power less than 750mW, and is commonly used in a control system or a transmission mechanical load and used for realizing the functions of detecting, analyzing, calculating, amplifying, executing or converting electromechanical signals or energy and the like.

The current brushless micromotor cancels an electric brush and controls the running state of the micromotor through a position sensor, thereby reducing friction and noise.

The traditional brushless micromotor is not provided with a heat dissipation structure, when the brushless micromotor keeps a long-time working state, the internal temperature is high, and if the internal temperature is not discharged in time, the service life of the motor can be greatly reduced, so that the motor cannot be used for a long time;

the most threat faced by the existing brushless micromotor is dust, and because the brush is cancelled, the friction force is greatly reduced during the operation, the abrasion is mainly concentrated on the bearings in the two end covers, the traditional brushless micromotor has poor dustproof performance, and if the dust enters the bearings, the abrasion of the bearings can be accelerated, the maintenance frequency is improved, and the inconvenience is brought to users.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a brushless micromotor to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a brushless micromotor comprises a motor main body with a dustproof component detachably arranged on one side and an active heat dissipation component fixedly arranged on the other side of the motor main body and used for accelerating the flow velocity of air flow;

the outer fringe face of above-mentioned motor main part is equidistantly constructed to have polylith rectangle heat dissipation ring, and the equal equidistance of four sides of polylith rectangle heat dissipation ring one side sets up a plurality of round holes that supply the heat absorption pipe to pass, and many above-mentioned heat absorption pipes all switch on in initiative radiator unit, and initiative radiator unit passes through motor main part's motor shaft drive.

Preferably, the motor shaft of above-mentioned motor main part passes dustproof subassembly, and above-mentioned dustproof subassembly includes that one side sets up the mounting panel and the lantern ring of fixed mounting in mounting panel one side of through-hole between two parties, and the through hole has all been seted up in the four corners of above-mentioned mounting panel one side.

Preferably, an internal thread for the sealing cover to be installed in a thread fit manner is formed in one side, far away from the mounting plate, of the sleeve ring, and a sealing ring is fixedly arranged on one side, far away from the sleeve ring, of the sealing cover.

Preferably, the top end, the bottom end and the two sides of the motor main body are provided with lug plates in the middle, and the lug plates are movably provided with screws in threaded connection with the mounting plate.

Preferably, the active heat dissipation assembly comprises a housing fixedly mounted on one side of the motor body and a protective net fixedly mounted on one side of the housing, and a support plate movably sleeved on a motor shaft of the motor body is arranged in the housing in the middle.

Preferably, the outer edge surface of the supporting plate is configured with a plurality of extension arms fixedly connected to the inner wall of the motor main body in an annular array, and one end of the motor shaft of the motor main body penetrating through the supporting plate is fixedly connected with fan blades.

The utility model discloses a technological effect and advantage: the brushless micromotor has the advantages that due to the arrangement of the plurality of rectangular radiating rings, the plurality of heat absorbing pipes and the active radiating assembly, when the motor main body works, heat generated by the motor main body is absorbed by the plurality of rectangular radiating rings and is transferred into the heat absorbing pipes, the fan blades are driven to rotate by the tail end of the motor shaft of the motor main body, external air is introduced into the shell through the plurality of heat absorbing pipes, the plurality of rectangular radiating rings and the plurality of heat absorbing pipes are cooled by the air entering the plurality of heat absorbing pipes, the cooling speed of the brushless micromotor is increased, the radiating effect of the brushless micromotor on the motor main body is improved, the service life of the motor is greatly prolonged, and the brushless micromotor can be suitable for high-strength operation;

benefit from dustproof assembly's setting, through installing the mounting panel in one side of motor main body to make motor main body's motor shaft pass mounting panel and lantern ring, twist the sealed lid of internally mounted with the sealing washer in the lantern ring again, can accomplish the protection to motor main body, can prevent that the dust from entering into motor main body in, in order to improve its dustproof performance, avoid advancing the condition appearance of the wearing and tearing of bearing because of the dust in entering into the motor, reduced the frequency of maintaining, brought the facility for the user.

Drawings

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

fig. 2 is a schematic view of the dust-proof assembly of the present invention;

fig. 3 is a schematic view of the active heat dissipation assembly according to the present invention.

In the figure: 1. a motor main body; 2. a dust-proof assembly; 201. mounting a plate; 202. a collar; 203. a sealing cover; 204. a seal ring; 3. an active heat dissipation assembly; 301. a housing; 302. a protective net; 303. a support plate; 304. an extension arm; 305. a fan blade; 4. a rectangular heat dissipation ring; 5. a heat absorbing tube; 6. an ear plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.

In order to improve the heat dissipation effect of the motor and prolong the service life of the motor, as shown in fig. 1 and fig. 3, the brushless micromotor comprises a motor main body 1 with a dustproof component 2 detachably mounted on one side and an active heat dissipation component 3 fixedly mounted on the other side of the motor main body 1 and used for accelerating the flow velocity of air flow, wherein a plurality of rectangular heat dissipation rings 4 are equidistantly constructed on the outer edge surface of the motor main body 1, a plurality of round holes for the heat absorption tubes 5 to pass through are equidistantly formed in four sides of one side of each rectangular heat dissipation ring 4, the heat absorption tubes 5 are communicated with the active heat dissipation component 3, the active heat dissipation component 3 is driven by a motor shaft of the motor main body 1, when the motor main body 1 works, heat generated by the motor main body 1 is absorbed by the plurality of rectangular heat dissipation rings 4 and then transmitted into the heat absorption tubes 5, so that the heat is dissipated into the air, and the service life of the motor is greatly prolonged;

the active heat dissipation assembly 3 comprises a housing 301 fixedly installed at one side of the motor body 1 and a protection net 302 fixedly installed at one side in the housing 301, a support plate 303 movably sleeved on a motor shaft of the motor body 1 is arranged in the center of the housing 301, a plurality of extension arms 304 fixedly connected to the inner wall of the motor body 1 are configured on the outer edge surface of the support plate 303 in an annular array, and one end of the motor shaft of the motor main body 1 passing through the supporting plate 303 is fixedly connected with a fan blade 305, when the motor main body 1 works, the tail end of the motor shaft will drive the fan blades 305 to rotate, the external air is introduced into the shell 301 through the plurality of heat absorbing pipes 5, the plurality of rectangular radiating rings 4 and the plurality of heat absorbing pipes 5 are cooled by the air entering the plurality of heat absorbing pipes 5, the cooling speed is accelerated, and then improve its radiating effect to motor body 1 for this motor can be applicable to the operation of high strength.

In order to improve the dustproof performance of the motor and avoid the situation that the abrasion of a bearing is accelerated due to the fact that dust enters the motor, as shown in fig. 1 and fig. 2, in the brushless micro-motor, a motor shaft of a motor main body 1 penetrates through a dustproof assembly 2, the dustproof assembly 2 comprises a mounting plate 201 and a lantern ring 202, wherein one side of the mounting plate 201 is provided with a through hole in the center, the lantern ring 202 is fixedly mounted on one side of the mounting plate 201, four corners of one side of the mounting plate 201 are provided with through holes, the motor can be fixed at a mounting position by penetrating preset screws through the four through holes respectively, one side, far away from the mounting plate 201, in the lantern ring 202 is provided with internal threads for the threaded matching mounting of a sealing cover 203, one side, far away from the lantern ring 202, in the sealing cover 203 is fixedly provided with a sealing ring 204, the motor shaft of the motor main body 1 penetrates through the mounting plate 201 and the lantern ring 202, and then the sealing cover 203, in which the sealing ring 204 is mounted inside, is screwed into the lantern ring 202, can accomplish the protection to motor body 1, can prevent that the dust from getting into in motor body 1, in order to improve its dustproof performance, avoid the condition of the wearing and tearing that accelerate the bearing because of the dust gets into in the motor and appear, the frequency of maintenance has been reduced, bring the facility for the user, motor body 1's top, bottom and both sides are all constructed the otic placode 6 between two parties, and 6 internalizations of otic placode are provided with the screw of threaded connection in mounting panel 201, through passing four otic placodes 6 respectively and twist in mounting panel 201 with four screws, accomplish dustproof subassembly 2's installation.

The working principle is as follows: when the brushless micromotor is used, the mounting plate 201 can be mounted on one side of the motor body 1 by respectively penetrating the four lug plates 6 through the plurality of screws and screwing the screws into the mounting plate 201, a motor shaft of the motor body 1 penetrates through the mounting plate 201 and the sleeve ring 202, the sealing cover 203 internally provided with the sealing ring 204 is screwed into the sleeve ring 202, the protection of the motor body 1 can be completed, dust can be prevented from entering the motor body 1, the maintenance frequency is reduced, when the motor body 1 works, heat generated by the motor body 1 is absorbed through the plurality of rectangular heat dissipation rings 4 and is transferred into the heat absorption tubes 5, then the fan blades 305 are driven to rotate through the tail end of the motor shaft of the motor body 1, outside air is introduced into the shell 301 through the plurality of heat absorption tubes 5, and the plurality of rectangular heat dissipation rings 4 and the plurality of heat absorption tubes 5 are cooled through the air entering the plurality of heat absorption tubes 5, so that the heat dissipation effect is kept good and the use is convenient.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. A brushless micromotor comprises a motor main body (1) with a dustproof component (2) detachably arranged on one side and an active heat dissipation component (3) fixedly arranged on the other side of the motor main body (1) and used for accelerating the flow velocity of airflow;

the method is characterized in that: equidistant structure has polylith rectangle cooling ring (4) on the outer fringe face of motor main part (1), and the equal equidistance of four sides of polylith rectangle cooling ring (4) one side sets up a plurality of round holes that supply heat absorption pipe (5) to pass, many heat absorption pipe (5) all switch on in initiative radiator unit (3), and the motor shaft drive of motor main part (1) is passed through in initiative radiator unit (3).

2. A brushless micromotor according to claim 1, characterized in that: the motor shaft of motor main part (1) passes dustproof subassembly (2), dustproof subassembly (2) include that mounting panel (201) and the lantern ring (202) of fixed mounting in mounting panel (201) one side of the through-hole are seted up between two parties in one side, the through-hole has all been seted up in the four corners of mounting panel (201) one side.

3. A brushless micromotor according to claim 2, characterized in that: an internal thread for the sealing cover (203) to be installed in a thread fit mode is formed in one side, far away from the mounting plate (201), of the lantern ring (202), and a sealing ring (204) is fixedly arranged on one side, far away from the lantern ring (202), of the sealing cover (203).

4. A brushless micromotor according to claim 3, characterized in that: the top, the bottom and the both sides of motor main part (1) are all constructed auris plate (6) between two parties, and auris plate (6) internalization is provided with the screw of threaded connection in mounting panel (201).

5. A brushless micromotor according to claim 1, characterized in that: the active heat dissipation assembly (3) comprises a shell (301) fixedly installed on one side of the motor main body (1) and a protective net (302) fixedly installed on one side in the shell (301), and a support plate (303) movably sleeved on a motor shaft of the motor main body (1) is arranged in the middle in the shell (301).

6. A brushless micromotor according to claim 5, characterized in that: the outer edge surface of the supporting plate (303) is provided with a plurality of extension arms (304) which are fixedly connected to the inner wall of the motor main body (1) in an annular array manner, and one end of a motor shaft of the motor main body (1) penetrating through the supporting plate (303) is fixedly connected with fan blades (305).

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