CN212572299U

CN212572299U - Motor heat radiation structure with heat dispersion

Info

Publication number: CN212572299U
Application number: CN202021444683.7U
Authority: CN
Inventors: 高攀科; 赵训练; 拜颖乾; 贾永博; 路颜; 程光威
Original assignee: Shaanxi Railway Institute
Current assignee: Shaanxi Railway Institute
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-02-19
Anticipated expiration: 2030-07-21

Abstract

The utility model discloses a motor heat radiation structure with heat dispersion, include motor, rear end cap and run through the inside axis of rotation of motor, the left end fixedly connected with shroud of motor, the right-hand member fixedly connected with exhaust shell of motor, the right-hand member of axis of rotation run through the outside of exhaust shell and extend to the exhaust shell, the utility model relates to a motor heat dissipation technical field. This motor heat radiation structure with heat dispersion, right side through at the motor sets up the exhaust shell, centrifugal fan blade and the grid of ventilating on the cooperation adapter sleeve, recycle the inside ventilation hole on fan blade and the rear end lid of blowing of shroud, the wind energy that blows in of fan blade can be taken away the inside heat of motor, and get into the inside of exhaust shell through the grid of ventilating, and throw away along centrifugal fan blade tangential direction, can realize the quick exchange of air current through this structure, thereby can be timely take away the inside heat of motor, this structure is comparatively simple, and easy popularization.

Description

Motor heat radiation structure with heat dispersion

Technical Field

The utility model relates to a motor heat dissipation technical field specifically is a motor heat radiation structure with heat dispersion.

Background

The electric motor is a device for converting electric energy into mechanical energy, and utilizes an electrified coil to generate a rotating magnetic field and act on a rotor to form magnetoelectric power rotating torque, the electric motor is divided into a direct current motor and an alternating current motor according to different power supplies, most of the electric motors in an electric system are alternating current motors, and can be synchronous motors or asynchronous motors (the rotating speed of the stator magnetic field of the motor is different from the rotating speed of the rotor and is kept synchronous), the electric motor mainly comprises a stator and a rotor, the direction of the forced movement of an electrified lead in the magnetic field is related to the current direction and the direction of a magnetic induction line (magnetic field direction), and the working principle of the electric motor is that the magnetic field acts on the current stress to enable; in the case of long-time operation or high-power operation, the internal temperature of the motor rises.

The existing motor with the heat dissipation performance basically arranges fan blades on the outer surface of a rotating shaft, and the motor is blown to achieve the cooling effect, but the internal hot air flow is difficult to circulate, so that a large amount of heat energy inside the motor cannot be dissipated, the use performance of the motor is influenced, and the service life of the motor is short.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a motor heat radiation structure with heat dispersion has solved the inside unable effluvium of a large amount of heat energy that still has of motor, influences the problem of the service property of motor.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a motor heat radiation structure with heat dispersion, includes motor, rear end cap and runs through the inside axis of rotation of motor, the left end fixedly connected with shroud of motor, the right-hand member fixedly connected with exhaust shell of motor, the right-hand member of axis of rotation runs through the exhaust shell and extends to the outside of exhaust shell, the external surface fixedly connected with adapter sleeve of axis of rotation, the external surface fixedly connected with centrifugation flabellum of adapter sleeve, the grid is ventilated to the left side fixedly connected with of exhaust shell inner chamber, the external surface fixedly connected with of axis of rotation blows the fan leaf, the ventilation hole has been seted up to one side of rear end cap.

Preferably, the connecting sleeve is positioned inside the exhaust casing, and the blowing fan blade is positioned inside the cover.

Preferably, the top and the bottom of shroud inner chamber all fixedly connected with fixed block, two the sliding tray has all been seted up to relative one side of fixed block, two fixedly connected with dust screen between the relative one side of sliding tray.

Preferably, the right side of fixed block is seted up threaded hole, the internal surface threaded connection of threaded hole has the screw, the inside of fixed block is seted up fan-shaped groove, screw surface fixed connection has a shelves pole, one side of shelves pole contacts with one side of dust screen.

Preferably, the inner portion of the sector groove communicates with the inner portion of the threaded hole, and the inner portion of the sector groove communicates with the inner portion of the sliding groove, and the stopper lever is located inside the sector groove.

Preferably, the number of the vent holes is provided with a plurality of vent holes, and the vent holes are uniformly distributed on one side of the rear end cover.

Advantageous effects

The utility model provides a motor heat radiation structure with heat dispersion. Compared with the prior art, the method has the following beneficial effects:

(1) the motor heat dissipation structure with the heat dissipation performance comprises an exhaust shell fixedly connected to the right end of a motor, the right end of a rotating shaft penetrates through the exhaust shell and extends to the outside of the exhaust shell, a connecting sleeve is fixedly connected to the outer surface of the rotating shaft, a centrifugal fan blade is fixedly connected to the outer surface of the connecting sleeve, an air-ventilating grid is fixedly connected to the left side of the inner cavity of the exhaust shell, a fan blade is fixedly connected to the outer surface of the rotating shaft, a vent hole is formed in one side of a rear end cover, the exhaust shell is arranged on the right side of the motor and matched with the centrifugal fan blade and the air-ventilating grid on the connecting sleeve, the fan blade inside a cover cap and the vent hole on the rear end cover are reused, air blown by the fan blade can take away heat inside the motor, the air enters the exhaust shell through the air-ventilating grid and is thrown away, therefore, the heat inside the motor can be taken away in time, and the structure is simple and easy to popularize.

(2) This motor heat radiation structure with heat dispersion, through the top at the shroud inner chamber and the equal fixedly connected with fixed block in bottom, the sliding tray has all been seted up to relative one side of two fixed blocks, fixedly connected with dust screen between the relative one side of two sliding trays, the threaded hole is seted up on the right side of fixed block, the internal surface threaded connection of screw hole has the screw, the fan-shaped groove has been seted up to the inside of fixed block, screw surface fixedly connected with shelves pole, one side of shelves pole contacts with one side of dust screen, through the sliding tray is seted up to one side at the fixed block, the screw in the cooperation threaded hole, recycle the pin of fan-shaped inslot portion, can fix the dust screen, and be convenient for to the dismantlement and the installation of dust screen, this structure is comparatively simple.

Drawings

Fig. 1 is a partial structural sectional view of the motor of the present invention;

FIG. 2 is a side view of the internal structure of the exhaust casing of the present invention;

FIG. 3 is an enlarged view of a portion of the structure of FIG. 1;

fig. 4 is a side view of the internal structure of the fixing block of the present invention.

In the figure: 1-motor, 2-rear end cover, 3-rotating shaft, 4-cover cap, 5-exhaust shell, 6-connecting sleeve, 7-centrifugal fan blade, 8-ventilation grating, 9-blowing fan blade, 10-ventilation hole, 11-fixed block, 12-sliding groove, 13-dust screen, 14-threaded hole, 15-screw, 16-sector groove and 17-stop rod.

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. 1-4, the present invention provides a technical solution: a motor heat dissipation structure with heat dissipation performance comprises a motor 1, a rear end cover 2 and a rotating shaft 3 penetrating through the interior of the motor 1, wherein the motor 1 is the prior art, and description is omitted, the cover 4 can be detached, the left end of the motor 1 is fixedly connected with the cover 4, the right end of the motor 1 is fixedly connected with an exhaust shell 5, the right end of the rotating shaft 3 penetrates through the exhaust shell 5 and extends to the exterior of the exhaust shell 5, the outer surface of the rotating shaft 3 is fixedly connected with a connecting sleeve 6, the outer surface of the connecting sleeve 6 is fixedly connected with a centrifugal fan blade 7, the rotating centrifugal fan blade 7 can throw air flow in the exhaust shell 5 along the tangential direction of the centrifugal fan blade 7, the left side of the inner cavity of the exhaust shell 5 is fixedly connected with an air ventilation grating 8, the outer surface of the rotating shaft 3 is fixedly connected with a blowing fan blade 9, and the, one side of the rear end cover 2 is provided with a vent hole 10, the connecting sleeve 6 is positioned inside the exhaust casing 5, the air blowing fan blade 9 is positioned inside the cover cap 4, the top and the bottom of the inner cavity of the cover cap 4 are fixedly connected with fixed blocks 11, one opposite side of the two fixed blocks 11 is provided with a sliding groove 12, a dust screen 13 is fixedly connected between one opposite sides of the two sliding grooves 12, the dust screen 13 is arranged and can prevent dust from entering the interior of the motor 1 and influencing the interior of the motor, the right side of the fixed blocks 11 is provided with a threaded hole 14, the inner surface of the threaded hole 14 is in threaded connection with a screw 15, the inner part of the fixed blocks 11 is provided with a fan-shaped groove 16, the outer surface of the screw 15 is fixedly connected with a blocking rod 17, when the blocking rod 17 is rotated into the inner part of the fan-shaped groove 16, the dust screen 13 can be taken out and cleaned, one, and the inner portion of the sector groove 16 is communicated with the inner portion of the sliding groove 12, the stop lever 17 is located inside the sector groove 16, the number of the vent holes 10 is provided in plurality and is uniformly distributed on one side of the rear end cover 2, and the content which is not described in detail in this specification belongs to the prior art which is well known to those skilled in the art.

During operation, when the inside axis of rotation 3 of motor 1 rotates, can drive the centrifugal fan blade 7 and the fan blade 9 of blowing on the adapter sleeve 6 and rotate, outside air gets into the inside of shroud 4, and pass dust screen 13, through ventilation hole 10 on the rear end cover 2, and take away the heat that motor 1 produced, then get into the inside of shell 5 that airs through ventilating grille 8, throw away the air current to the outside of shell 5 that airs exhaust through pivoted centrifugal fan blade 7, when needs clearance dust screen 13, rotate screw 15, make shelves pole 17 rotate to the inside of fan-shaped groove 16, make shelves pole 17 not contact with dust screen 13, can follow the inside of sliding tray 12 with dust screen 13 and take out can.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 motor heat radiation structure with heat dispersion, includes motor (1), rear end cap (2) and runs through inside axis of rotation (3) of motor (1), the left end fixedly connected with shroud (4) of motor (1), its characterized in that: the right-hand member fixedly connected with exhaust casing (5) of motor (1), the right-hand member of axis of rotation (3) runs through exhaust casing (5) and extends to the outside of exhaust casing (5), the external fixed surface of axis of rotation (3) is connected with adapter sleeve (6), the external fixed surface of adapter sleeve (6) is connected with centrifugal fan blade (7), the left side fixedly connected with of exhaust casing (5) inner chamber is ventilated grid (8), the external fixed surface of axis of rotation (3) is connected with and is blown fan leaf (9), ventilation hole (10) have been seted up to one side of rear end cap (2).

2. The heat dissipation structure of a motor having heat dissipation performance as set forth in claim 1, wherein: the connecting sleeve (6) is located inside the exhaust casing (5), and the blowing fan blade (9) is located inside the cover cap (4).

3. The heat dissipation structure of a motor having heat dissipation performance as set forth in claim 1, wherein: the top and the equal fixedly connected with fixed block (11) in bottom of shroud (4) inner chamber, two sliding tray (12), two have all been seted up to the relative one side of fixed block (11) fixedly connected with dust screen (13) between the relative one side of sliding tray (12).

4. The heat dissipation structure of a motor having heat dissipation performance as set forth in claim 3, wherein: threaded hole (14) have been seted up on the right side of fixed block (11), the internal surface threaded connection of threaded hole (14) has screw (15), fan-shaped groove (16) have been seted up to the inside of fixed block (11), screw (15) outer fixed surface is connected with shelves pole (17), one side of shelves pole (17) contacts with one side of dust screen (13).

5. The heat dissipation structure of a motor having heat dissipation performance as set forth in claim 4, wherein: the inner portion of the sector groove (16) communicates with the inner portion of the threaded hole (14), and the inner portion of the sector groove (16) communicates with the inner portion of the sliding groove (12), and the stopper lever (17) is located inside the sector groove (16).

6. The heat dissipation structure of a motor having heat dissipation performance as set forth in claim 1, wherein: the number of the ventilation holes (10) is provided with a plurality of ventilation holes, and the ventilation holes are uniformly distributed on one side of the rear end cover (2).