CN203119698U - Motor heat radiation structure - Google Patents

Abstract

A motor heat radiation structure comprises a shell assembly and a group of driving components arranged in the shell assembly, wherein: the shell assembly comprises a front air outlet cover, an air guide cover, a shell body and a tail sealing cover from the front end to the tail end; the air guide cover is stacked at one end of the shell body, and a plurality of air guide holes and a set of holes penetrate through one side of the air guide cover corresponding to the front air outlet cover; the shell body is provided with an accommodating channel which penetrates from the direction of the air guide cover to the direction of the tail sealing cover; the tail seal cover is assembled at the other end of the shell body and covers the accommodating channel of the shell body; the driving assembly comprises a rotor driving shaft and a fan wheel disc, and the rotor driving shaft is accommodated in the accommodating channel of the shell body; the fan wheel disc is pivoted on the front end shaft lever of the rotor driving shaft and is accommodated in the accommodating groove of the front air outlet cover. The utility model discloses the inside part of motor has microthermal operational environment to increase the life-span of the use of motor, save shell assembly inner space's use.

Description

Motor cooling structure

technical field

The utility model is a heat dissipation structure for a motor. Specifically, it effectively increases the heat dissipation efficiency of the motor and the use of the internal space, and is a utility model with excellent practicability.

Background technique

With the take-off of industrial technology, the operation core of many machines comes from motors. Generally, the official name of traditional motors is also called electric motors. Electric motors have many uses, ranging from heavy industries to small toys. The lower part of the environment will choose different types of motors, such as electric fans, electric toy cars (boats), lifts (elevators) and vehicles driven by electricity, such as starter motors for underground railways, tram cars, jets and helicopters. motor), conveyor belts in factories and hypermarkets, electric automatic doors on buses, etc., it can be seen that motors play an extremely important role in modern times.

In terms of the traditional basic structure, its composition is mainly composed of a stator (Stator), a rotor (Rotor) and a bearing. The stator is stationary in space, and the rotor rotates around the bearing and is supported by the bearing. The stator and There will be a certain air gap (air gap) between the rotors to ensure that the rotor can rotate freely, and the use of the casing (field yoke) needs to be made of high magnetic permeability materials to be used as a magnetic circuit. However, When the motor is running, the rapid rotation will generate frictional heat and electric energy. Under long-term operation, the internal mechanism may be easily damaged due to the high temperature of the working environment inside the motor. Therefore, the motor must have an exhaust The function guides the internal temperature to ensure the smooth operation of the internal mechanism of the motor and the service life.

Generally, in the heat dissipation system of motors, fan settings are mostly used, and the high temperature inside the motor is blown away by the rotation of the fan. However, many motors are made into a grid on one of the two sides of the casing, while The fan is set adjacent to the grid-shaped side of the casing, so as to absorb the cold air from the outside and blow out the cold air to reduce the high temperature. The fan still has disadvantages in this setting. When the fan rotates, the fan will It is closer to the grid of the casing and far away from the parts with high temperature, so that after the fan draws the cold air from the outside, due to the long distance, the cold air cannot be effectively guided to the inside of the motor body, and the internal temperature of the motor cannot be maintained. Effective decline, burnout of the last sensitive parts, etc. Therefore, relevant operators must make improvements in order to meet the needs of the public.

In view of the above-mentioned shortcomings of the heat dissipation system of the motor, the inventor has been thinking continuously, and spent a lot of time investing in research related knowledge, and compared the advantages and disadvantages of each, and carried out research and development of related products, and experienced many times After experiments and tests, a "motor heat dissipation structure" was finally released, which is to improve the above-mentioned shortcomings and meet the needs of the public.

Utility model content

The main technical problem to be solved by the utility model is to overcome that the position of the fan installed in the prior art is closer to the grid of the casing and far away from the high-temperature parts, so that the rotation of the fan sucks the wind and the outside air It cannot be effectively transmitted to high-temperature parts, resulting in the disadvantage that the high temperature inside the motor cannot be reduced, and a motor heat dissipation structure is provided, and the parts inside the motor have a lower temperature working environment to increase the service life of the motor.

The technical scheme that the utility model solves its technical problem adopts is:

A motor cooling structure, which includes a casing assembly and a set of drive components arranged in the casing assembly, wherein: the casing assembly includes a front air outlet cover, an air guide cover, and a casing from the front end to the tail end. body and a tail cover, and the front air outlet cover is stacked on the air guide cover, and there is a recessed groove on one side of the corresponding air guide cover, and the front air outlet cover is provided with several and accommodating grooves Exhaust holes that are connected and arranged at intervals;

The air guide cover is stacked on one end of the shell body, and the side of the air guide cover corresponding to the front air outlet cover has several air guide holes and a set of holes, and each air guide hole is arranged around the casing hole; The shell body has an accommodating passage running from the direction of the wind guide cover to the direction of the tail cover, and several air inlet holes are opened around the shell body;

The tail cover is set on the other end of the shell body and covers the accommodation channel of the shell body; the drive assembly includes a rotor drive shaft and a fan disc, and the rotor drive shaft is accommodated in the accommodation channel of the shell body , and a shaft extends from both ends of the rotor drive shaft, and the shaft at the front end of the rotor drive shaft is pierced with a sleeve hole, and the shaft at the rear end is pivoted to the tail cover;

The fan disc is pivotally arranged on the front shaft of the rotor drive shaft, and is accommodated in the slot of the front air outlet cover, and the fan disc further includes an air guide section, and the air guide section is provided with several intervals. Fan blades, each fan blade guides the airflow in the shell body, and is discharged toward the air exhaust hole through the gap between each fan blade.

The window block structure of the utility model further includes the following technical features:

The fan disc further includes a toothed section extending from one end of the air guide section toward the front air outlet cover, and a set of holes are provided to run through the center of the toothed section and the air guide section, and the front shaft rod of the rotor drive shaft passes through the set of holes Inside, several racks are arranged side by side on the inner wall ring of the group hole of the gear section, and each rack is arranged axially from the air guide section toward the front air outlet cover, and a toothed plate is arranged on the group of the gear section holes and mesh with each rack.

A pressurizing component is further provided to be inserted in the front air outlet cover and stacked on the opposite end of the air guide cover.

Further, a convex rib is protruded on the inner wall of the group hole of the air guide section, and a notch is recessed on the shaft rod at the front end of the rotor drive shaft corresponding to the convex rib.

The rotor drive shaft further has several radially arranged guide vanes, and a guide channel is formed between each guide vane.

Further, two support rods are arranged in the housing body, and the two support rods are arranged corresponding to each other, and one end of each support rod is inserted into the wind guide cover, and the other end is inserted into the tail cover.

The inner wall of the housing body is provided with the same number of grooves corresponding to the two supporting rods, and each supporting rod is accommodated in the corresponding grooves.

The beneficial effect of the utility model is that the internal parts of the motor have a relatively low temperature working environment, so as to increase the service life of the motor.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is a three-dimensional schematic diagram of the utility model.

Fig. 2 is a three-dimensional schematic diagram of another angle of the utility model.

Fig. 3 is a three-dimensional exploded schematic view of the utility model.

FIG. 4 is a schematic perspective view of another angle of the fan disc of the present invention.

FIG. 5 is a schematic cross-sectional view of line AA shown in FIG. 1 .

FIG. 6 is a schematic cross-sectional view of line BB shown in FIG. 1 .

Explanation of symbols in the figure:

1 Shell assembly Front air outlet cover 11

111 storage tank 112 exhaust hole

12 Air guide cover 121 Air guide hole

122 sets of holes 13 shells

131 Accommodating channel 132 Air inlet hole

133 slots 14 tail caps

2 moving components

21 rotor drive shaft 211 shaft rod

2111 lack of groove 212 guide piece

213 diversion channel 22 fan wheel

221 Air guide section 222 Fan blade

223 gear section 2231 rack

224 groups of holes 2241 convex ribs

3 teeth plate 31 jacks

4 pressurized components 41 pins

5 support rods

Detailed ways

The following is a description of the preferred implementation mode, and does not limit the utility model in any form. Referring to Figures 1 to 4, a motor heat dissipation structure of the utility model includes a housing assembly 1 and a set of The driving assembly 2 arranged in the shell assembly 1, wherein:

The shell assembly 1 includes a front air outlet cover 11, an air guide cover 12, a shell body 13 and a tail cover 14 from the front end to the rear end, and the front air outlet cover 11 is stacked on the air guide cover 12, And there is a cavity 111 recessed on one side corresponding to the air guide cover 12, and several air exhaust holes 112 communicated with the cavity 111 and arranged at intervals are provided on the side ring of the front air outlet cover 11;

The air guide cover 12 is stacked on one end of the shell body 13 and has a cylindrical shape, and the side of the air guide cover 12 corresponding to the front air outlet cover 11 is penetrated with several air guide holes 121 and a set of holes 122, and each air guide The hole 121 is set around the casing hole 122;

The shell body 13 is cylindrical, and is provided with an accommodating channel 131 that runs through the direction of the wind guide cover 12 toward the tail cover 14, and several air inlet holes 132 are opened on the side of the shell body 13; 14 groups are arranged at the other end of the shell body 13, and cover the accommodating channel 131 of the shell body 13;

The drive assembly 2 includes a rotor drive shaft 21 and a fan disc 22, the rotor drive shaft 21 is accommodated in the accommodation channel 131 of the housing body 13, and a shaft 211 extends from both ends of the rotor drive shaft 21, and The shaft rod 211 at the front end of the rotor drive shaft 21 is pierced with a sleeve hole 122, and the shaft rod 211 at the rear end is pivoted to the tail cover 14;

The fan wheel 22 is pivotally mounted on the front end shaft 211 of the rotor drive shaft 21, and is accommodated in the slot 111 of the front air outlet cover 11, and the fan wheel 22 further includes an air guide section 221, and the air guide Section 221 is provided with fan blades 222 arranged at several intervals, and each fan blade 222 guides the wind in the housing body 13, and is discharged toward the air exhaust hole 112 by the gap between each fan blade 222 (the foregoing is the main embodiment of the utility model. main technical features).

Please refer to Fig. 3 and Fig. 4, in order to make the fan wheel 22 operate and rotate smoothly in the casing assembly 1, the setting of the fan wheel 22, in addition to the air guide section 221, further includes an air guide section 221, one end of which extends towards the front air outlet cover 11, and the center of the fan disc 22 is provided with a group hole 224 from the tooth section 223 to the air guide section 221, and the inner hole of the group hole 224 of the tooth section 223 There are several toothed racks 2231 juxtaposed on the wall, and a toothed disc 3 is further arranged in the group hole 224, and is meshed with the toothed section 223. Through the relationship between the fan wheel 22 and the toothed disc 3, the external When the air is inside the housing assembly 1, it is ensured that the parts with high temperature can operate and rotate at a constant temperature.

After the fan disc 22 is constructed according to the above description, please refer to FIGS. A rib 2241 is further protruded from the hole wall of the group hole 224 of the air section 221, and a slot 2111 is provided on the shaft 211 at the front end of the rotor drive shaft 21. The fan wheel 22 is sleeved into the shaft 211, and guides The protruding rib 2241 of the wind section 221 is slidably inserted into the corresponding slot 2111. With the configuration of the protruding rib 2241 and the slot 2111, the fan wheel 22 can be quickly and conveniently sleeved on the shaft 211, and a stable assembly can be achieved. effect.

Please refer to FIG. 3 , during the rotation of the rotor drive shaft 21, in order to allow the outside air to be sucked into the casing assembly 1 through the air inlet hole 132 of the casing body 13, the rotor drive shaft 21 further has several radially arranged guide vanes 212, and a guide channel 213 is formed between the guide vanes 212, through the rotation of the rotor drive shaft 21 and the action of the fan blades 222 of the fan wheel 22, the outside air can be effectively passed through the air inlet holes 132 Inhale the inside of the shell body 13 and reduce the high temperature generated when the drive assembly 2 is in operation.

After synthesizing the settings of the above-mentioned housing assembly 1 and the drive assembly 2, please refer to Fig. 5, the flow direction of the outside air in the utility model is now explained as follows:

Under the rotation action of the fan disc 22 and the rotor drive shaft 21 of the drive assembly 2, since the fan disc 22 is provided with fan blades 222, and the fan disc 22 is a centrifugal fan with suction, the outside air flows through the casing. The air inlet hole 132 of the body 13 is sucked into the housing body 13 by the fan wheel 22, and is pulled by the guide vane 212 of the rotor drive shaft 21, so that the air enters the guide channel 213, and the continuous rotation of the fan wheel 22, Then the air guide channel 213 is discharged towards the air guide hole 121 of the air guide cover 12, and the discharged air is then drawn by the fan blades 222 of the fan wheel 22, so that each fan blade 222 will blow the air forward. The exhaust hole 112 of the cover 11 is exhausted, and through the rotation of the fan wheel 22, the outside air can be continuously sucked in through the air inlet hole 132, so as to reduce the high temperature generated by the drive assembly 2 in the housing assembly 1 during operation, and maintain The temperature inside the housing assembly 1.

However, in addition to the above description, the utility model further has the following features:

One, the opposite end of the front air outlet cover 11 is provided with the wind guide cover 12 and is provided with a pressurizing assembly 4 in addition, and the pressurizing assembly 4 is used to provide the required pipeline for the external connection of the utility model (pressurization The setting and usage of the component 4 are prior art, so no more details are given), and in order to allow the pressurizing component 4 and the driving component 2 to drive each other, the toothed disc 3 assembled on the toothed section 223 is further provided with a socket 31 , and the pressurizing component 4 is provided with a pin 41 corresponding to the jack 31, the pressurizing component 1 is inserted into the jack 31 by the pin 41, and a pivotable bearing is provided in the pressurizing component 4, and The pin 41 is assembled on the bearing, therefore, the rotation of the fan wheel 22 and the rotor drive shaft 21 drives the inner bearing of the pressurizing assembly 4 to rotate together, so that it is firmly assembled with the front air outlet cover 11 and prevents it from coming off. Please refer to Figure 3.

Second, in order to allow the rotor drive shaft 21 to rotate smoothly in the housing body 13, so as to avoid hitting the inner wall of the housing body 13, two support rods 5 are further provided in the housing body 13, and the two support rods 5 are connected to each other. Correspondingly, one end of each support rod 5 is assembled on the wind guide cover 12, while the other end is inserted and fixed on the tail cover 14, and the two support rods 5 are used to support the shell body 13 to prevent the shell body 13 from shaking or falling Detach and hit the rotor drive shaft 21, and a channel 133 is recessed on the inner wall of the accommodation channel 131 of the housing body 13 corresponding to the setting of each support rod 5, and each support rod 5 is accommodated in the channel 133 to avoid affecting For the rotation of the rotor drive shaft 21, please refer to Fig. 3 and Fig. 6 .

The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the utility model, All still belong to within the scope of the technical solution of the utility model.

Claims (7)

1. a motor radiator structure is characterized in that, include a cage assembly and and be mounted on the interior driven unit of cage assembly, wherein:

Air-out lid, a wind guide cover, a body and a tail capping before this cage assembly includes one by front end to tail end, and should be stacked at wind guide cover by preceding air-out lid, and the side indent in corresponding wind guide cover has a tank, and air-out is covered all side rings and is provided with several are communicated with and are the spacing setting with tank vent before being somebody's turn to do again;

This wind guide cover is stacked at an end of body, and a side of air-out lid is penetrated with several air-guiding holes and a trepanning before this wind guide cover correspondence, and each air-guiding hole is set around trepanning week side;

This body has a holding channel that is run through towards tail capping direction by the wind guide cover direction, and in this in body week side offer several inlet air holes;

This tail capping is mounted on the other end of body, and hides the holding channel of body;

This driven unit includes a rotor and drives axle and a fan wheel disc, this rotor drives axle and is located in the holding channel of body, and rotor drives a two ends and respectively is extended with an axostylus axostyle, and wears trepanning in the axostylus axostyle that rotor drives a front end, again in the axostylus axostyle of rear end then the pivot group in the tail capping;

This fan wheel disc is hubbed at the front end axostylus axostyle that rotor drives axle, and in the tank that air-out is covered before being placed in, and the fan wheel disc further includes a wind-guiding section, and this wind-guiding section is provided with the flabellum that several spacings arrange again, each flabellum is guided the air-flow in body, and is discharged towards vent by the gap between each flabellum.

2. motor radiator structure according to claim 1, it is characterized in that, described fan wheel disc further includes the grinding tooth section that an air-out forward lid extends wind-guiding Duan Yiduan, run through grinding tooth section and wind-guiding section center and be provided with one group of hole in addition, the front end axostylus axostyle that this rotor drives axle is arranged in the group hole, and be equipped with the tooth bar that several are arranged side by side in the group hole of this grinding tooth section inwall, and each tooth bar covers axis of orientation to setting by the air-out forward of wind-guiding section, be provided with in addition again in the group hole that a fluted disc is mounted on the grinding tooth section, and be meshing with each other with each tooth bar.

3. motor radiator structure according to claim 2 is characterized in that, further is provided with a pressure-applying unit in addition and is inserted in the end opposite that described preceding air-out lid is stacked at wind guide cover.

4. motor radiator structure according to claim 2 is characterized in that, further convexes with a fin in the group hole of described wind-guiding section inwall, and described rotor drives the corresponding fin of the axostylus axostyle of a front end and is concaved with a short slot.

5. motor radiator structure according to claim 4 is characterized in that, described rotor drives axle and further has the guide card that several are radial setting, and is formed with a water conservancy diversion conduit between each guide card.

6. motor radiator structure according to claim 1, it is characterized in that, further be provided with two support bars in the tank passage of described body, described two support bars are corresponding the setting mutually, and an end insert group of each support bar is in described wind guide cover, the other end then insert group in the tail capping.

7. motor radiator structure according to claim 6 is characterized in that, corresponding described two support bars of the tank vias inner walls of described body are concaved with the conduit of equal number, and each support bar is located in the corresponding conduit.

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