CN210246482U

CN210246482U - Novel heat radiation structure of micromotor

Info

Publication number: CN210246482U
Application number: CN201921423531.6U
Authority: CN
Inventors: Yiming Wu; 吴一明
Original assignee: Suzhou Yuwei Electric Co Ltd
Current assignee: Suzhou Yuwei Electric Co Ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-04-03
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses a novel heat dissipation structure of a micro motor, which comprises an upper shell and a lower shell; an upper shell body: the upper shell is a semi-arc shell, the upper shell is uniformly provided with heat dissipation units, the lower end of the circumferential surface of the upper shell is provided with upper mounting plates which are symmetrical front and back, and the upper mounting plates are uniformly provided with mounting holes; a lower housing: the lower shell is a semi-arc shell, the lower shell is uniformly provided with heat dissipation units, the upper end of the circumferential surface of the lower shell is provided with lower mounting plates which are symmetrical front and back, and the lower mounting plates are uniformly provided with mounting holes corresponding to the mounting holes on the upper mounting plates; wherein: the mounting hole on the upper mounting plate is connected with the mounting hole on the lower mounting plate through the fastening unit. Further, the radiating unit includes louvre and fin, this novel heat radiation structure of micromotor, for the arc design, can laminate with the surface of micromotor, the radiating effect is good.

Description

Novel heat radiation structure of micromotor

Technical Field

The utility model relates to a motor heat dissipation technical field specifically is a novel heat radiation structure of micromotor.

Background

A micromotor is a motor with the diameter of less than 160mm or the rated power of less than 750mW, is commonly used in a control system or a transmission mechanical load and is used for realizing the functions of detecting, analyzing, calculating, amplifying, executing or converting electromechanical signals or energy, and has double functions of driving and precise control in the fields of various applications such as micro-robots, precision engineering, aerospace and the like, wherein the driving can be linear, rotary or multi-degree of freedom, and the control target can be position, speed or force (moment), and a large amount of heat generated in the operation process can not be timely dissipated due to small volume of the micromotor at present, particularly in places with poor ventilation, so that the internal circuit of the micromotor is likely to be burnt out, the normal operation is affected and even potential safety hazards are caused, and a heat dissipation frame structure with good heat dissipation effect is needed, the existing heat dissipation structure is generally flat, most micro motors are cylindrical, and the flat heat dissipation structure is not tightly attached to the micro motors, so that the heat dissipation effect is affected.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a novel heat radiation structure of micromotor, for the arc design, can laminate with the surface of micromotor, the radiating effect is good, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel heat dissipation structure of a micro motor comprises an upper shell and a lower shell;

an upper shell body: the upper shell is a semi-arc shell, the upper shell is uniformly provided with heat dissipation units, the lower end of the circumferential surface of the upper shell is provided with upper mounting plates which are symmetrical front and back, and the upper mounting plates are uniformly provided with mounting holes;

a lower housing: the lower shell is a semi-arc shell, the lower shell is uniformly provided with heat dissipation units, the upper end of the circumferential surface of the lower shell is provided with lower mounting plates which are symmetrical front and back, and the lower mounting plates are uniformly provided with mounting holes corresponding to the mounting holes on the upper mounting plates;

wherein: the mounting hole on the upper mounting plate is connected with the mounting hole on the lower mounting plate through the fastening unit.

Further, the radiating unit comprises radiating holes and radiating fins, the radiating holes are formed in the circumferential surfaces of the upper mounting plate and the lower mounting plate in an array mode, the radiating fins are arranged on the circumferential surfaces of the upper mounting plate and the lower mounting plate in an array mode, radiating can be achieved through the plurality of radiating holes, the contact area between the radiating fins and outside air can be increased, and the radiating fins can effectively dissipate heat.

Furthermore, the fastening unit comprises a nut and a fixing bolt, the mounting hole in the upper mounting plate and the mounting hole in the lower mounting plate are both in threaded connection with the fixing bolt, the fixing bolt is provided with the nut in a matched manner, and the upper shell and the lower shell are convenient to mount and dismount through the mounting hole, the fixing bolt and the nut.

Further, still include arc wall, lower arc wall, micromotor main part and snap ring, be equipped with the snap ring on the periphery of micromotor main part, set up the last arc wall that corresponds with the snap ring on the inside periphery of going up the casing, set up the lower arc wall that corresponds with the snap ring on the inside periphery of casing down, can install with the snap ring cooperation through last arc wall and lower arc wall to make things convenient for between micromotor main part and the last casing and the lower casing easy to assemble, can not drop.

Further, still include gib block and guide way, the lower surface is equipped with corresponding gib block around going up the casing, the guide way of symmetry is seted up to the upper surface around the casing down, gib block and guide way joint through the cooperation of gib block and guide way, conveniently go up the casing and down cooperate the installation between the casing.

Compared with the prior art, the beneficial effects of the utility model are that: this novel heat radiation structure of micromotor has following benefit:

1. go up the casing and be half-circular arc casing with lower casing, can closely laminate with micromotor, increase micromotor's heat radiating area, the radiating effect is good, can dispel the heat through a plurality of louvres, can increase the area of contact with the outside air through a plurality of fin, effectual heat dissipation.

2. Through mounting hole, set bolt and nut easy to assemble with dismantle go up casing and lower casing, through the cooperation of gib block and guide way, conveniently go up the casing and down cooperate the installation between the casing.

3. Through last arc wall and arc wall down can with the snap ring cooperation installation to make things convenient for between micromotor main part and the last casing and the lower casing easy to assemble, can not drop.

Drawings

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

fig. 2 is the schematic view of the split structure of the present invention.

In the figure: the micro-motor comprises an upper shell 1, a micro-motor body 2, a lower shell 3, a lower mounting plate 4, an upper mounting plate 5, a fastening unit 6, a nut 61, a fixing bolt 62, a heat dissipation unit 7, heat dissipation holes 71, heat dissipation fins 72, an upper arc-shaped groove 8, a guide strip 9, a snap ring 10, a lower arc-shaped groove 11, a mounting hole 12 and a guide groove 13.

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.

Referring to fig. 1-2, the present invention provides a technical solution: a novel heat dissipation structure of a micro motor comprises an upper shell 1 and a lower shell 3;

an upper housing 1: the upper shell 1 is a semi-circular arc shell, the upper shell 1 is uniformly provided with the heat dissipation units 7, the lower end of the circumferential surface of the upper shell 1 is provided with the upper mounting plates 5 which are symmetrical front and back, the upper mounting plates 5 are uniformly provided with the mounting holes 12, the upper shell 1 is a semi-circular arc shell and can be tightly attached to the micro motor, the heat dissipation area of the micro motor is increased, and the heat dissipation effect is good;

the lower shell 3: the lower shell 3 is a semi-arc shell, the lower shell 3 is uniformly provided with heat dissipation units 7, each heat dissipation unit 7 comprises a heat dissipation hole 71 and a heat dissipation fin 72, the circumferential surfaces of the upper mounting plate 5 and the lower mounting plate 4 are respectively provided with the heat dissipation holes 71 in an array mode, the circumferential surfaces of the upper mounting plate 5 and the lower mounting plate 4 are respectively provided with the heat dissipation fins 72 in an array mode, heat dissipation can be achieved through the heat dissipation holes 71, the contact area with outside air can be increased through the heat dissipation fins 72, effective heat dissipation is achieved, the lower mounting plate 4 which is symmetrical in the front-back mode is arranged at the upper end of the circumferential surface of the lower shell 1, the lower mounting plate 4 is uniformly provided with mounting holes 12 corresponding to the mounting holes 12 in the upper mounting plate 5, the lower shell 3 is a semi;

wherein: still include fastening unit 6, mounting hole 12 on the last mounting panel 5 and the mounting hole 12 on the lower mounting panel 4 are connected through fastening unit 6, and fastening unit 6 includes nut 61 and fixing bolt 62, and mounting hole 12 on the last mounting panel 5 and the mounting hole 12 on the lower mounting panel 4 all with fixing bolt 62 threaded connection, the supporting nut 61 that is equipped with on the fixing bolt 62, through mounting hole 12, fixing bolt 62 and nut 61 easy to assemble and dismantle casing 1 and lower casing 3.

Wherein, still include arc wall 8, lower arc wall 11, micromotor main part 2 and snap ring 10, be equipped with snap ring 10 on micromotor main part 2's the periphery, go up and offer the last arc wall 8 that corresponds with snap ring 10 on casing 1's the inside periphery, offer the lower arc wall 11 that corresponds with snap ring 10 on casing 3's the inside periphery down, through last arc wall 8 with lower arc wall 11 can with the cooperation installation of snap ring 10, thereby make things convenient for between micromotor main part 2 and last casing 1 and the lower casing 3 easy to assemble, can not drop.

Wherein, still including gib block 9 and guide way 13, go up the front and back lower surface of casing 1 and be equipped with corresponding gib block 9, the guide way 13 that the symmetry was seted up to the preceding back upper surface of casing 3 down is, gib block 9 and guide way 13 joint, through the cooperation of gib block 9 and guide way 13, conveniently go up casing 1 and down the cooperation installation between the casing 3.

When in use: all paste last casing 1 and lower casing 3 on micromotor main part 2 to going up arc wall 8 and arc wall 11 all with snap ring 10 joint down, simultaneously with the joint of gib block 9 in guide way 13, put into mounting hole 12 with fixing bolt 62, then screw up nut 61.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel heat radiation structure of micromotor which characterized in that: comprises an upper shell (1) and a lower shell (3);

upper case (1): the upper shell (1) is a semi-circular arc shell, the upper shell (1) is uniformly provided with heat dissipation units (7), the lower end of the circumferential surface of the upper shell (1) is provided with upper mounting plates (5) which are symmetrical front and back, and the upper mounting plates (5) are uniformly provided with mounting holes (12);

lower case (3): the lower shell (3) is a semi-circular arc shell, the lower shell (3) is uniformly provided with heat dissipation units (7), the upper end of the circumferential surface of the lower shell (3) is provided with lower mounting plates (4) which are symmetrical front and back, and the lower mounting plates (4) are uniformly provided with mounting holes (12) corresponding to the mounting holes (12) on the upper mounting plate (5);

wherein: the mounting structure is characterized by further comprising a fastening unit (6), and the mounting hole (12) in the upper mounting plate (5) is connected with the mounting hole (12) in the lower mounting plate (4) through the fastening unit (6).

2. The novel heat dissipation structure of a micro-motor according to claim 1, wherein: the heat dissipation unit (7) comprises heat dissipation holes (71) and heat dissipation fins (72), the heat dissipation holes (71) are formed in the circumferential surfaces of the upper mounting plate (5) and the lower mounting plate (4) in an array mode, and the heat dissipation fins (72) are formed in the circumferential surfaces of the upper mounting plate (5) and the lower mounting plate (4) in an array mode.

3. The novel heat dissipation structure of a micro-motor according to claim 1, wherein: fastening unit (6) include nut (61) and fixing bolt (62), mounting hole (12) on going up mounting panel (5) and mounting hole (12) on lower mounting panel (4) all with fixing bolt (62) threaded connection, the supporting nut (61) that is equipped with on fixing bolt (62).

4. The novel heat dissipation structure of a micro-motor according to claim 1, wherein: the improved micro-motor is characterized by further comprising an upper arc-shaped groove (8), a lower arc-shaped groove (11), a micro-motor main body (2) and a clamping ring (10), wherein the clamping ring (10) is arranged on the circumferential surface of the micro-motor main body (2), the upper arc-shaped groove (8) corresponding to the clamping ring (10) is formed in the inner circumferential surface of the upper shell (1), and the lower arc-shaped groove (11) corresponding to the clamping ring (10) is formed in the inner circumferential surface of the lower shell (3).

5. The novel heat dissipation structure of a micro-motor according to claim 1, wherein: still include gib block (9) and guide way (13), the lower surface is equipped with corresponding gib block (9) around going up casing (1), symmetrical guide way (13) have been seted up to the upper surface around casing (3) down, gib block (9) and guide way (13) joint.