CN216649474U

CN216649474U - Air-cooled motor with good heat dissipation

Info

Publication number: CN216649474U
Application number: CN202120624871.6U
Authority: CN
Inventors: 陈玉飞; 陈小标; 谢百锋; 顾豪杰
Original assignee: Shaoxing Jinying Machinery Manufacturing Co ltd
Current assignee: Shaoxing Jinying Machinery Manufacturing Co ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2022-05-31
Anticipated expiration: 2031-03-26

Abstract

The utility model discloses an air-cooled motor with good heat dissipation, which comprises a protective shell, a motor main body arranged in the protective shell and a heat dissipation structure for heat dissipation of the motor, wherein the heat dissipation structure comprises an air inlet cabin arranged on the protective shell, a filter screen arranged in the air inlet cabin, an air inlet channel arranged in the air inlet cabin, a communication port for communicating the air inlet channel with the air inlet cabin, an anti-blocking assembly for preventing the filter screen from being blocked, a rear cover arranged on the protective shell and an air outlet pipe arranged on the rear cover, and the air outlet pipe is connected with an air pump.

Description

Air-cooled motor with good heat dissipation

Technical Field

The utility model belongs to the technical field of motors, and particularly relates to an air cooling motor with good heat dissipation.

Background

The motor consists of a rotor and a stator, and is a conversion device for realizing electric energy and mechanical energy and electric energy. The rotor of the motor is divided into a motor rotor and a generator rotor. The rotor is a rotating part of the motor and comprises a rotor iron core, a rotor winding, a rotating shaft and the like; the working principle of the motor is that electric energy is converted into magnetic energy (magnetic field), two magnetic fields generate torque (angular thrust and suction) to enable the rotor to rotate, the magnetic energy is converted into mechanical energy, the rotor of the motor generates heat in the operation process, the heat is mainly caused by two factors of friction and induced current, the harmful heat can cause the shell, the stator and the rotor of the motor to generate heat, and therefore the motor needs to be cooled by adopting a fan air cooling mode.

In some severe environments, because of a large amount of dust or gravel in the environment, if the fan is simply used for cooling, the dust or gravel easily enters the cooling cabin where the fan is located or blocks the filter screen, so that the heat dissipation effect is poor, and the normal work of the motor is affected.

SUMMERY OF THE UTILITY MODEL

The utility model provides the air cooling motor with good heat dissipation, which can ensure the normal work of the motor, in order to overcome the defects of the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme: an air cooling motor with good heat dissipation performance comprises a protective shell, a motor main body arranged in the protective shell and a heat dissipation structure used for heat dissipation of the motor, wherein the heat dissipation structure comprises an air inlet cabin arranged on the protective shell, a filter screen arranged in the air inlet cabin, an air inlet channel arranged in the air inlet cabin, a communication port used for communicating the air inlet channel with the air inlet cabin, an anti-blocking assembly used for preventing the filter screen from being blocked, a rear cover arranged on the protective shell and an air outlet pipe arranged on the rear cover, and the air outlet pipe is connected with an air pump; through heat radiation structure's setting, along with the effect of bleeding of aspiration pump produces and lets in from the air inlet cabin through the air inlet duct the air current in the protective housing, and the warp the outlet duct is discharged, at this in-process, dust or grit warp the filtration of filter screen hinders outside the air inlet cabin to avoid grit or dust to get into in the air inlet cabin, guarantee the radiating effect of motor, in order to guarantee the normal work of motor.

Preferably, the anti-blocking assembly comprises a track rod arranged in the air inlet cabin, a thread table arranged on the track rod, a reset groove arranged on the thread table, a rotating sleeve arranged on the track rod, a ball arranged on the rotating sleeve, a blocking table arranged on the rotating sleeve, a striking table arranged on the rotating sleeve, a fan blade arranged on the rotating sleeve and a reset elastic piece arranged on the rotating sleeve; through the arrangement of the anti-blocking component, the air inlet cabin generates negative pressure airflow pointing to the air inlet duct along with the air suction of the air suction pump, so as to blow the fan blades to rotate and drive the rotating sleeve to rotate and feed along the direction of the communicating port, in the process, the reset elastic piece is extruded, when the rotating sleeve is fed to a specific limit position, the air flow is reduced, and simultaneously, because the size of the air flow pumped by the air pump is changed in a fluctuating way, when the attraction force of the rotating sleeve pointing to the air inlet duct is smaller than the elastic force of the spring, the rotating sleeve can perform instantaneous linear impact motion to the filter screen along the reset groove under the reset extrusion action of the reset elastic piece so as to strike the filter screen and shake down the sand and dust blocked on the filter screen, therefore, normal ventilation of the air intake chamber is ensured, and the normal work of the air-cooled motor is ensured by finally ensuring the heat dissipation effect of the air-cooled motor.

Preferably, the thread table comprises an accelerating thread part for accelerating the rotation of the rotating sleeve and a low-speed thread part for controlling the low-speed feeding of the rotating sleeve, and through the sectional arrangement of the thread table, when the air flow blows the fan blades to rotate, because the lead angle of the acceleration thread part is more than 60 degrees, the rotating sleeve can be ensured to always rotate in an acceleration mode at the initial rotation stage so as to ensure that the rotating sleeve enters the low-speed thread part at a certain initial speed, then the rotating sleeve is spirally fed in the direction of the air inlet duct at low speed by guiding down the thread of the low-speed thread part, thereby ensuring the rotation stroke of the rotating sleeve, ensuring the reciprocating stroke of the rotating sleeve, ensuring the reset impact force of the rotating sleeve, shaking off the sand stones and dust blocked on the filter screen, therefore, normal ventilation of the air intake chamber is ensured, and the normal work of the air-cooled motor is ensured by finally ensuring the heat dissipation effect of the air-cooled motor.

Preferably, the anti-blocking assembly further comprises a positioning member for positioning the tail position of the rotary motion of the rotary sleeve, and the positioning member comprises a positioning hole arranged in the air inlet cabin, a positioning ball arranged in the positioning hole, a positioning spring arranged in the positioning hole and a buckling hole arranged on the rotary sleeve; through prevent stifled setting of subassembly rotates specific extreme position along with rotating the cover, the location pearl can connect in on the lock hole, in order to pinpoint the last position of rotating the cover makes the accurate card of ball go into extremely reset the inslot, guarantee the accurate motion that resets of rotating the cover.

Preferably, the rotating sleeve is provided with a pre-guiding groove for guiding the positioning ball to be buckled into the buckling hole, and the depth of the pre-guiding groove is gradually increased along the circumferential direction of the rotating sleeve; through the setting of the groove in advance of rotating the cover, can further accurate direction the location pearl is accurate the lock joint in the lock joint is downthehole to further guarantee to rotate the cover along the accurate motion that resets in groove.

Preferably, a supporting structure for supporting the motor main body is arranged on the protective shell, and the supporting structure comprises a supporting table arranged on the protective shell, an elastic block arranged on the supporting table, an elastic groove arranged on the supporting table, a damping elastic piece arranged in the elastic groove and a pressing table arranged on the rear cover; through the arrangement of the supporting structure, the motor main body can be effectively and stably arranged in the protective shell, and the area of the airflow channel is ensured to further ensure the air cooling effect of the air cooling motor; simultaneously, through the setting of shock attenuation elastic component can effectively reduce the influence of external vibration to the motor main part, further guarantees the normal work of forced air cooling motor.

In summary, the utility model has the following advantages: through heat radiation structure's setting can effectively guarantee the radiating effect of motor to guarantee the normal work of motor.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic cross-sectional view of the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a partially enlarged view of fig. 3 at B.

Fig. 5 is a partially enlarged view of C in fig. 3.

Detailed Description

As shown in fig. 1 to 5, the air-cooled motor with good heat dissipation includes a protective housing 1, a motor main body 11 and a heat dissipation structure, the supporting structure is arranged on the protective housing 1, and the motor main body 11 is installed in the protective housing 1 through the supporting structure.

Specifically, the heat dissipation structure comprises an air inlet cabin 21, a filter screen 22, an air inlet duct 23, a communication port 24, an anti-blocking assembly, a rear cover 25 and an air outlet pipe 26, wherein the air inlet cabin 21 is arranged in the side wall of one end of the protective shell 1, and a plurality of air inlet cabins 21 are arranged in the circumferential direction around the motor main body 11; one end of the air inlet cabin 21 is communicated with the outside, the filter screen 22 is fixedly connected to the end, the other end of the air inlet cabin is communicated with the inside of the protective shell 1 through the air inlet duct 23, and the end is provided with the communication port 24; the rear cover 25 is in threaded connection with the other end of the protective shell 1 far away from the air inlet cabin 21, the air outlet pipe 26 is fixedly connected to the end of the protective shell, the air outlet pipe 26 is connected with an air suction pump, and air suction flow of the air suction pump is fluctuated.

Further, the anti-blocking component comprises a track rod 31, a thread table 32, a reset groove 33, a rotating sleeve 34, a ball 35, a blocking table 36, a striking table 37, a fan blade 38 and a reset elastic piece 39, wherein the track rod 31 is fixedly connected to the side wall of the air inlet duct 23 and penetrates through the air inlet cabin 21; the thread table 32 is fixedly connected to the track rod 31; the reset grooves 33 are formed between the thread tables 32 and are arranged along the circumferential direction of the track rod 31; the rotating sleeve 34 is sleeved on the track rod 31, the balls 35 are embedded in the rotating sleeve, and a plurality of rows of balls 35 are arranged on the rotating sleeve 34 along the circumferential direction of the inner wall of the rotating sleeve; the blocking table 36 is fixedly connected to one end of the rotating sleeve 34 close to the air inlet duct 23, and the striking table 37 is fixedly connected to one end close to the filter screen; a plurality of fan blades 38 are uniformly and fixedly connected to the outer wall of the rotating sleeve 34 along the circumferential direction; the return elastic element 39 may be a spring, one end of which is fixedly connected to the rotating sleeve 34, and the other end of which is fixedly connected to the side wall of the air intake chamber 21 of the opening edge accessory of the communication opening 24.

Specifically, the screw stage 32 includes an acceleration screw portion 321 and a low-speed screw portion 322, the acceleration screw portion 321 is sequentially disposed along a direction in which the filter screen 22 points to the communication port 24, a lead angle of the acceleration screw portion 321 is greater than 60 degrees, and a lead angle of the low-speed screw portion 322 is less than 45 degrees.

Furthermore, the anti-blocking assembly further comprises a positioning member, the positioning member comprises a positioning hole 41, a positioning bead 42, a positioning spring 43 and a fastening hole 44, the positioning hole 41 is arranged on the end face of one end of the air inlet compartment 21 close to the air inlet duct 23, and a plurality of positioning holes are arranged around the circumferential direction of the communication port 24; one end of the positioning spring 43 is fixedly connected to the root end face of the positioning hole 41, and the other end is fixedly connected to the positioning ball 42; the snap-in hole 44 is opened on an end surface of the rotating sleeve 34 facing the communication port 24, and the positioning ball 42 can be correspondingly snapped in the snap-in hole 44.

Furthermore, a plurality of pre-guide grooves 45 are formed in the rotating sleeve 34, the pre-guide grooves 45 are arranged around the circumference of the track rod 31, and the pre-guide grooves 45 are communicated with the buckling holes 44 at positions with the greatest depth and with the gradually increased depth along the circumferential direction of the rotating sleeve 34.

Specifically, the supporting structure comprises a supporting table 51, an elastic block 52, an elastic groove 53, a damping elastic piece 54 and a pressing table 55, wherein the supporting blocks are fixedly connected to the inner wall of the protective shell 1 and are arranged in a plurality of rows at intervals along the circumferential direction of the side wall of the protective shell 1; the elastic groove 53 is formed on the support platform 51; the elastic block 52 is embedded in the elastic groove 53; the damping elastic member 54 is a spring, one end of which is fixedly connected to the elastic block 52 and the other end of which is fixedly connected to the root groove surface of the elastic groove 53; the pressing platforms 55 are fixedly connected to the inner portion of the rear cover 25 facing the motor body 11, and a plurality of pressing platforms 55 are arranged along the circumferential direction of the rear cover 25, and the pressing platforms 55 press against the motor body 11.

The specific implementation process of the utility model is as follows: along with the air suction action of the air suction pump, air flow which is introduced into the protective shell 1 from the air inlet cabin 21 through the air inlet duct 23 is generated and discharged through the air outlet pipe, and in the process, dust or sand is filtered by the filter screen 22 and is blocked outside the air inlet cabin 21; meanwhile, the air intake chamber generates negative pressure airflow pointing to the air inlet duct 23 along with the air suction of the air suction pump, so as to blow the fan blades 38 to rotate and drive the rotating sleeve 34 to rotate and feed along the thread table 32 to the communication port 24, the resetting elastic member 39 is extruded in the process, when the rotating sleeve 34 is fed to a specific limit position, the airflow is reduced, meanwhile, because the size of the air suction flow of the air suction pump is changed in a wave manner, the suction force of the rotating sleeve 34 pointing to the air inlet duct 23 is smaller than the resetting elastic force, the rotating sleeve 34 can perform instant linear impact motion to the filter screen along the resetting groove 33 under the resetting extrusion action of the resetting elastic member 39, so as to strike sand and dust blocked on the filter screen, and then, along with the elastic release of the resetting elastic member 39, the rotating sleeve 34 can be blown by the negative pressure airflow to spirally feed towards the air inlet duct, thereby realizing reciprocating differential motion.

Claims

1. The utility model provides a good air-cooled motor dispels heat, includes protective housing (1), locates motor main part (11) in protective housing (1) and be used for the radiating heat radiation structure of motor, its characterized in that: the heat radiation structure is including locating air inlet cabin (21) on protective housing (1), locating filter screen (22) in air inlet cabin (21), locating air inlet duct (23) in air inlet cabin (21), be used for the intercommunication air inlet duct (23) with intercommunication mouth (24) of air inlet cabin (21), be used for preventing stifled subassembly, locating of preventing of filter screen (22) jam back lid (25) on protective housing (1) and locating go out tuber pipe (26) on back lid (25), it is connected with the aspiration pump to go out tuber pipe (26).

2. The air-cooled motor with good heat dissipation of claim 1, wherein: prevent stifled subassembly including locating track pole (31) in air inlet cabin (21), locate screw thread platform (32) on track pole (31), locate reset groove (33) on screw thread platform (32), locate rotate cover (34) on track pole (31), locate ball (35) on rotating cover (34), locate rotate stifled platform (36) on cover (34), locate strike platform (37) on rotating cover (34), locate rotate flabellum (38) on cover (34) and locate rotate elastic component (39) that resets on cover (34).

3. The air-cooled motor with good heat dissipation of claim 2, wherein: the thread table (32) comprises an acceleration thread part (321) for accelerating the rotation of the rotating sleeve (34) and a low-speed thread part (322) for controlling the low-speed feeding of the rotating sleeve (34).

4. The air-cooled motor with good heat dissipation of claim 3, wherein: the anti-blocking assembly further comprises a positioning component for positioning the tail position of the rotating sleeve (34) in rotating motion, and the positioning component comprises a positioning hole (41) arranged in the air inlet cabin (21), a positioning ball (42) arranged in the positioning hole (41), a positioning spring (43) arranged in the positioning hole (41) and a buckling hole (44) arranged on the rotating sleeve (34).

5. The air-cooled motor with good heat dissipation of claim 4, wherein: the rotating sleeve (34) is provided with a pre-guide groove (45) for guiding the positioning bead (42) to be buckled into the buckling hole (44), and the depth of the pre-guide groove (45) is gradually increased along the circumferential direction of the rotating sleeve (34).

6. The air-cooled motor with good heat dissipation of claim 1, characterized in that: be equipped with on protective housing (1) and be used for supporting the bearing structure of motor main part (11), bearing structure is including locating brace table (51) on protective housing (1), locating elastic block (52) on brace table (51), locating elastic groove (53) on brace table (51), locate damping elastic component (54) in elastic groove (53) and locating support on back lid (25) and press platform (55).