CN215120454U

CN215120454U - Motor heat dissipation device

Info

Publication number: CN215120454U
Application number: CN202023262432.XU
Authority: CN
Inventors: 王建南; 高昱
Original assignee: Changzhou Changlong Motor Co ltd
Current assignee: Changzhou Changlong Motor Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-12-10
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a motor heat abstractor relates to motor technical field. The utility model discloses a motor main part, motor housing and output shaft, outer disc fixedly connected with gear of output shaft, motor housing is close to a surface of output shaft and opens there is the annular groove, the annular groove internal rotation is connected with heat dissipation mechanism, heat dissipation mechanism include with the first annular rail of annular groove internal rotation complex, the fixed surface is equipped with gear drive complex dogtooth in the first annular rail, a fixed surface of dogtooth is connected with the connecting rod is kept away from to first annular rail, the other end fixedly connected with and the annular groove normal running fit second annular rail of connecting rod, the connecting rod top is rotated and is connected with the exhaust fan. The utility model discloses a cooperation of gear, heat dissipation mechanism, thermovent and air intake is used, has solved current motor operation in-process, and the unable quick effectual heat dissipation of produced heat makes the motor performance decline, shortens motor life's problem.

Description

Motor heat dissipation device

Technical Field

The utility model belongs to the technical field of the motor, especially, relate to a motor heat abstractor.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to the electromagnetic induction law, is widely applied to the electronic and automatic equipment industries at present, and becomes an indispensable device in production of various industries along with the development of times. The motor generally includes a motor housing, a stator, a rotor, and other accessories, wherein the motor housing is located at the outermost side of the entire motor, and on one hand, the motor housing protects the motor from being damaged by external force, and on the other hand, the motor housing can dissipate heat because of direct contact with the external environment.

The motor is at the operation in-process, and produced heat constantly gathers along with the increase of time, makes the inside temperature of motor rise gradually, if can not be timely distribute away the heat and can influence the normal use of motor to greatly reduced the life of motor, brought great economic loss for the owner of motor. The motor among the prior art adopts to set up the fan at the tail end to realize the heat dissipation more, increases the fin in the motor casing outside in addition and realizes the heat dissipation, but this kind of mode radiating efficiency is not high, makes the motor performance decline, and the life of motor shortens.

Therefore, it is desirable to provide a heat sink for a motor that can dissipate heat efficiently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a motor heat abstractor uses through the cooperation of gear, heat dissipation mechanism, thermovent and air intake, has solved current motor at the operation in-process, and the unable quick effectual heat dissipation of produced heat makes the motor performance decline, the problem that the life of motor shortens.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a motor heat dissipation device, which comprises a motor main body, a motor shell and an output shaft, wherein a gear is fixedly connected with the outer circular surface of the output shaft, an annular groove is formed on one surface of the motor shell, which is close to the output shaft, and a heat dissipation mechanism is rotationally connected in the annular groove;

the heat dissipation mechanism comprises a first annular rail which is in rotating fit with the annular groove, convex teeth which are in transmission fit with the gear are fixedly arranged on the inner circular surface of the first annular rail, a connecting rod is fixedly connected to one surface, far away from the convex teeth, of the first annular rail, the other end of the connecting rod is fixedly connected with a second annular rail which is in rotating fit with the annular groove, and the top of the connecting rod is rotatably connected with a suction fan.

Furthermore, the outer disc of the motor shell is provided with a heat dissipation port which penetrates through the motor shell and is communicated with the annular groove, the inner wall of one side, far away from the outer disc of the motor shell, of the annular groove is provided with a ventilation port communicated with the interior of the motor main body, and the surface, far away from the output shaft, of the motor shell is provided with an air inlet communicated with the interior of the motor main body.

Furthermore, the position, far away from the convex tooth, of the inner circular surface of the first annular rail is fixedly connected with an annular limiting block, and an annular limiting groove matched with the annular limiting block is formed in the inner wall of the annular groove.

Furthermore, the top of the connecting rod is provided with a mounting hole which is in running fit with the exhaust fan.

Further, the connecting rod is arranged between two opposite inner walls of the annular groove.

The utility model discloses following beneficial effect has:

1. the utility model discloses a cooperation of gear, heat dissipation mechanism, thermovent and air intake is used, drives gear revolve in output shaft pivoted to drive heat dissipation mechanism and rotate, mix the inside air of motor housing, thereby drive the extraction fan and rotate, finally carry out to pass through the thermovent with the inside high caloric air that contains of motor main part and discharge, reach and carry out radiating purpose to motor main part.

2. The utility model discloses a set up thermovent and air intake, can introduce inside the motor main part with the gas that outside temperature is lower relatively, then through thermal diffusion and heat exchange in the air, realize the inside temperature reduction of motor main part, finally will contain the high caloric air through the thermovent through the extraction fan and discharge.

3. The utility model discloses a with the position of connecting rod setting between two relative inner walls of annular groove, the effectual inside area of contact of annular groove who has reduced spare part in the heat dissipation mechanism and in the motor housing, greatly reduced heat dissipation mechanism when rotating, because the friction and the extra heat that produces.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

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

Fig. 1 is a schematic structural view of a motor heat dissipation device of the present invention;

FIG. 2 is a schematic structural diagram of a heat dissipation mechanism;

FIG. 3 is a partial cross-sectional view of a heat dissipation mechanism;

FIG. 4 is a schematic structural view of a motor housing;

FIG. 5 is a partial cross-sectional view of a motor housing;

in the drawings, the components represented by the respective reference numerals are listed below:

1-a motor main body, 2-a motor shell, 201-an annular groove, 202-a heat dissipation port, 203-a ventilation port, 204-an air inlet, 205-an annular limiting groove, 3-an output shaft, 4-a gear, 5-a heat dissipation mechanism, 501-a first annular rail, 502-a convex tooth, 503-a connecting rod, 504-a second annular rail, 505-a suction fan, 506-an annular limiting block and 507-a mounting hole.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention relates to a motor heat dissipation device, which includes a motor main body 1, a motor housing 2 and an output shaft 3, wherein a gear 4 is fixedly connected to an outer circumferential surface of the output shaft 3, a ring-shaped groove 201 is formed on a surface of the motor housing 2 close to the output shaft 3, and a heat dissipation mechanism 5 is rotatably connected in the ring-shaped groove 201;

the heat dissipation mechanism 5 comprises a first annular rail 501 rotationally matched with the annular groove 201, a convex tooth 502 in transmission fit with the gear 4 is fixedly arranged on the inner circular surface of the first annular rail 501, a connecting rod 503 is fixedly connected to one surface, far away from the convex tooth 502, of the first annular rail 501, the other end of the connecting rod 503 is fixedly connected with a second annular rail 504 rotationally matched with the annular groove 201, and the top of the connecting rod 503 is rotationally connected with a pumping fan 505;

the outer circular surface of the motor shell 2 is provided with a heat radiation port 202 which penetrates through the motor shell 2 and is communicated with the annular groove 201, the inner wall of one side of the annular groove 201 far away from the outer circular surface of the motor shell 2 is provided with a ventilation port 203 communicated with the inside of the motor main body 1, and one surface of the motor shell 2 far away from the output shaft 3 is provided with an air inlet 204 communicated with the inside of the motor main body 1;

the position of the inner circular surface of the first circular rail 501, which is far away from the protruding tooth 502, is fixedly connected with a circular limiting block 506, the inner wall of the circular groove 201 is provided with a circular limiting groove 205 matched with the circular limiting block 506, through the air inlet 203, air with relatively low external temperature can be introduced into the motor main body 1, then the temperature inside the motor main body 1 is reduced through heat diffusion and heat exchange in the air, then the gear 4 is driven to rotate while the output shaft 3 rotates, so that the heat dissipation mechanism 5 is driven to rotate, the air inside the motor main body 1 is stirred, so that the suction fan 505 is driven to rotate, finally, the air with high heat in the motor main body 1 is discharged through the heat dissipation port 202, and the purpose of heat dissipation of the motor main body 1 is achieved.

Wherein, the top of the connecting rod 503 is provided with a mounting hole 507 rotatably matched with the suction fan 505, thereby facilitating the mounting of the required suction fan 505.

Wherein, the connecting rod 503 is arranged at the position between the two opposite inner walls of the annular groove 201, which effectively reduces the contact area between the parts in the heat dissipation mechanism 5 and the inside of the annular groove 201 in the motor housing 2, thereby greatly reducing the extra heat generated by friction when the heat dissipation mechanism 5 rotates.

One specific application of this embodiment is: the during operation, through motor body 1 circular telegram operation, drive output shaft 3 and rotate, then drive gear 4 and rotate, thereby drive heat dissipation mechanism 5 and rotate, stir the inside air of motor housing 2, drive suction fan 505 and rotate, when suction fan 505 rotates, can take out the relatively lower gas of temperature that flows into motor body 1 inside through air intake 203 through vent 204, simultaneously through heat diffusion and the heat exchange in the air, realize the inside temperature reduction of motor body 1, the air that contains the high heat in motor body 1 inside finally passes through thermovent 202 and discharges through suction fan 505, reach the purpose of dispelling the heat and cooling to motor body 1.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean 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 preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a motor heat abstractor, includes motor body (1), motor housing (2) and output shaft (3), its characterized in that:

a gear (4) is fixedly connected to the outer circular surface of the output shaft (3), an annular groove (201) is formed in one surface, close to the output shaft (3), of the motor shell (2), and a heat dissipation mechanism (5) is rotationally connected to the annular groove (201);

the heat dissipation mechanism (5) comprises a first annular rail (501) which is in rotating fit with an annular groove (201), convex teeth (502) which are in transmission fit with the gear (4) are fixedly arranged on the inner circular surface of the first annular rail (501), a connecting rod (503) is fixedly connected to one surface, far away from the convex teeth (502), of the first annular rail (501), a second annular rail (504) which is in rotating fit with the annular groove (201) is fixedly connected to the other end of the connecting rod (503), and a pumping fan (505) is rotatably connected to the top of the connecting rod (503).

2. The heat dissipation device for the motor according to claim 1, wherein the outer circumferential surface of the motor housing (2) is provided with a heat dissipation port (202) penetrating through the motor housing (2) and communicating with the annular groove (201), the inner wall of one side of the annular groove (201) far away from the outer circumferential surface of the motor housing (2) is provided with a ventilation port (203) communicating with the inside of the motor body (1), and the surface of the motor housing (2) far away from the output shaft (3) is provided with an air inlet (204) communicating with the inside of the motor body (1).

3. The heat dissipation device for the motor according to claim 1, wherein an annular limiting block (506) is fixedly connected to a position, far away from the convex teeth (502), of the inner circular surface of the first annular rail (501), and an annular limiting groove (205) matched with the annular limiting block (506) is formed in the inner wall of the annular groove (201).

4. The heat sink for motor as claimed in claim 1, wherein the top of the connecting rod (503) has a mounting hole (507) for rotatably engaging with the fan (505).

5. A heat sink for an electric motor according to claim 1, characterised in that the connecting rod (503) is arranged in the annular recess (201) at a position between the two inner walls.