CN213027714U - Direct current motor stator module - Google Patents

Abstract

The utility model discloses a direct current motor stator module belongs to direct current motor stator module technical field, which comprises an outer shell, shell surface has been seted up inlet scoop and is four point evenly distributed on the shell, the filter screen is installed to the inlet scoop inner wall, shell inner wall is installed winding rod and has four, shell surface mounting has the protrusion piece, protrusion piece surface through connection has vent and vent to have a plurality ofly, bearing A is installed to the protrusion piece inner wall, bearing group is installed to the shell inner wall, through the cooperation of inlet scoop and vent, will mix the air and inhale the air through the inlet scoop when the rotor rotates, has produced the circulation of air at this moment under the effect of vent, great increase the radiating effect, through the fixed and the great increase life of spring buffering to the bearing.

Description

Direct current motor stator module

Technical Field

The utility model relates to a direct current motor stator module technical field especially relates to a direct current motor stator module.

Background

The motor stator is an important component of the motor such as a generator, a starter and the like. The stator is an important part of the motor. The stator consists of three parts, namely a stator iron core, a stator winding and a machine base. The main function of the stator is to generate a rotating magnetic field, and the main function of the rotor is to be cut by magnetic lines of force in the rotating magnetic field to generate (output) current.

Patent CN206379794U discloses a brushless dc motor stator module, this utility model provides a brushless dc motor stator module, including stator core and the stator winding of coiling on stator core, stator core's inside is provided with evenly distributed's recess, its characterized in that: a slot insulating paper is arranged in each groove, and a first insulating framework and a second insulating framework are respectively arranged on two axial sides of the stator core; the stator core is characterized in that fixing holes and supporting holes are uniformly arranged on the end face of the stator core at intervals, the fixing holes are fixedly connected with an end cover of the brushless direct current motor through screws, and supporting rods are embedded in the supporting holes. The utility model increases the mechanical strength of the stator core, reduces the vibration and the noise; and reliable insulation between the stator winding and the stator core is ensured, the dielectric strength is high, the purposes of insulating and pressure-resistant products, safety and reliability, reduction of motor loss and improvement of efficiency are realized, and the service life of the motor is prolonged.

The stator assembly of the brushless direct current motor has the following defects: 1. when the motor runs at a high speed, a large amount of heat is generated to damage the whole motor to a certain extent particularly when the motor works in a place without a heat dissipation environment, so that the service life is greatly shortened; 2. can produce certain vibrations when the motor high speed operation, will have certain impact to the bearing at this moment, this will produce certain impact to the bearing, can cause motor moving skew in the later stage, causes the damage of the whole device in later stage, for this reason, we provide a direct current motor stator module.

SUMMERY OF THE UTILITY MODEL

The utility model provides a direct current motor stator module aims at the cooperation through inlet scoop and vent, will mix the air and inhale the air through the inlet scoop when the rotor rotates, has produced the circulation of air at this moment under the effect of vent, great increase the radiating effect, through the fixed and great increase life of spring buffering to the bearing.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of direct current motor stator module, which comprises an outer shell, shell surface has been seted up inlet scoop and is four point evenly distributed on the shell, the filter screen is installed to the inlet scoop inner wall, shell inner wall is installed wire winding pole and has four, shell surface mounting has the protrusion piece, protrusion piece surface through connection has vent and vent to have a plurality ofly, bearing A is installed to the protrusion piece inner wall, bearing group is installed to the shell inner wall.

Optionally, the surface of the air suction port is arc-shaped and is the same as the rotation direction of the motor.

Optionally, the bearing group surface mounting has the retainer plate, retainer plate inner wall welding has supporting shoe and supporting shoe has four, the supporting shoe is kept away from retainer plate one side welding and is had bearing B, bearing B skin weld has spring and spring has four, the spring opposite side welds in the retainer plate inner wall.

Optionally, the vent is tapered in diameter from a left position to a right position.

Optionally, the housing and the protruding block are connected by a snap.

The utility model has the advantages as follows:

the embodiment of the utility model provides a direct current motor stator module:

1. the stator in the motor is an important component of the whole motor, some important functions of the motor are completed through the stator, when the motor is installed, the rotor is installed after the convex block and the shell are separated, at the moment, the convex block is buckled again, at the moment, a power supply is switched on, because the surface of the shell is provided with the air suction opening, the opening of the air suction opening is smaller, the inner wall of the air suction opening is provided with the filter screen, when the rotor rotates, the air on the inner wall of the stator is stirred to flow, at the moment, the external air is absorbed, at the moment, the air speed is increased suddenly under the action of extrusion, the air flow is thinned, the contained heat is reduced, at the moment, the cold air enters the inner wall of the shell, the temperature reduction treatment is carried out on the interior of the motor, and the damage caused by overhigh temperature of the interior of the motor is avoided, in order to ensure that the circulating air volume is enough, the air speed of the vent is high, even if the sectional area of the air suction opening is small, a large circulating air volume is generated, so that a circulating air structure is achieved, the air circulation is greatly increased, the heat dissipation effect is increased, and the service life is prolonged.

2. The rotor needs to be fixed and damped under the condition of rotation, only the convex block needs to be opened during installation, a section of the rotor is installed on the rotating shaft B, at this time, because the surface of the rotating shaft B is provided with the supporting block, the bearing B can be effectively prevented from deviating due to a fixed effect on the bearing B, at this time, the surface of the bearing B is also provided with a spring, when the vibration generated by the rotation of the rotor is subjected to the vibration generated by the external force, the change of momentum is equal to the impulse borne by the object, the impulse is equal to ft, the spring can prolong the acting time of the force, the force that the object received under the same momentum change diminishes promptly, has reached the absorbing effect promptly, will produce certain stable effect to whole device like this, great increase the life-span of using, after the installation with the opposite side of rotor pass bearing A after with the salient piece detain again can.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described 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 to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a stator assembly of a dc motor according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a side surface of a stator assembly of a dc motor according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a bearing set of a stator assembly of a dc motor according to an embodiment of the present invention.

In the figure: 1. a housing; 2. an air suction opening; 3. filtering with a screen; 4. a wire winding rod; 5. a bearing set; 6. a bearing A; 7. a protruding block; 8. a vent; 9. a stationary ring; 10. a support block; 11. a spring; 12. and a bearing B.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, 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 efforts belong to the protection scope of the present invention.

A stator assembly of a dc motor according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

Referring to fig. 1-3, the embodiment of the utility model provides a pair of direct current motor stator module, including shell 1, inlet scoop 2 and inlet scoop 2 have been seted up on shell 1 surface and have been four point evenly distributed on shell 1, filter screen 3 is installed to 2 inner walls of inlet scoop, 1 inner wall of shell is installed wire winding pole 4 and has four, 1 surface mounting of shell has salient piece 7, there are a plurality ofly on protrusion piece 7 surface through connection has vent 8 and vent 8, bearing A6 is installed to protrusion piece 7 inner wall, bearing group 5 is installed to 1 inner wall of shell.

In the example, through the matching of the air suction opening 2 and the ventilation opening 8, air is stirred to be sucked through the air suction opening 2 when the rotor rotates, air circulation is generated under the action of the ventilation opening 8, and the heat dissipation effect is greatly improved.

Referring to fig. 1, the surface of the air suction opening 2 is arc-shaped and has the same rotation direction as the motor.

In the example, the surface of the air suction opening 2 is arc-shaped and is the same as the rotation direction of the motor, so that the capability of absorbing wind power is greatly increased.

Referring to fig. 3, the surface of the bearing set 5 is provided with a fixed ring 9, four supporting blocks 10 are welded on the inner wall of the fixed ring 9, a bearing B12 is welded on one side, away from the fixed ring 9, of each supporting block 10, four springs 11 are welded on the surface of each bearing B12, and the other side of each spring 11 is welded on the inner wall of the fixed ring 9.

For example, at this time, because the surface of the rotating shaft B12 is provided with the supporting block 10, a fixed effect is generated on the bearing B12, so that the offset of the bearing B12 is effectively avoided, at this time, the surface of the bearing B12 is also provided with the spring 11, at this time, when the rotor rotates, the vibration generated by the rotation of the rotor is equal to the impulse borne by the object due to the change of momentum when the vibration is generated by external force, and the impulse is equal to ft, the spring can prolong the acting time of the force, namely, the force borne by the object is reduced under the same momentum change, so that the damping effect is achieved, so that a certain stabilizing effect is generated on the whole device, and the service life is greatly.

Referring to fig. 2, the vent 8 is gradually reduced in diameter from the left position to the right position.

Illustratively, the diameter of the vent 8 gradually decreases from the left position to the right position, which facilitates the discharge of air from the inner wall of the housing 1.

Referring to fig. 2, the housing 1 is connected to the protruding block 7 by a snap fit.

Illustratively, the shell 1 is connected with the protruding block 7 through a buckle, so that the motor is convenient to disassemble and maintain.

When the motor is used, a stator in the motor is an important component of the whole motor, important functions of the motor are completed through the stator, the mounting only needs to open the convex block 7, then a section of the rotor is mounted on the rotating shaft B12, at this time, because the supporting block 10 is mounted on the surface of the rotating shaft B12, a fixed effect is generated on the bearing B12, the deviation of the bearing B12 is effectively avoided, at this time, the spring 11 is also mounted on the surface of the bearing B12, at this time, the vibration generated when the rotor rotates is equal to the impulse borne by an object due to the change of momentum when the vibration is generated by external force, the impulse is equal to ft, the spring can prolong the acting time, namely, the force borne by the object under the same momentum change is reduced, namely, the damping effect is achieved, so that a certain stable effect is generated on the whole motor, and the service life is greatly prolonged, after the installation, the other side of the rotor passes through the bearing A6 and then the convex block 7 is buckled again, at the moment, a power supply is switched on, because the surface of the shell is provided with the air suction opening 2, the opening part of the air suction opening 2 is smaller, and the inner wall of the air suction opening 2 is provided with the filter screen 3, at the moment, the air on the inner wall of the stator is stirred to flow when the rotor rotates, at the moment, the external air is absorbed, at the moment, the small air suction opening 2 is suddenly met, the air speed is suddenly increased under the extrusion effect, the air flow is thinned, the contained heat is reduced, at the moment, the cold air enters the inner wall of the shell 1, the temperature reduction treatment is carried out on the inside of the motor, the damage caused by the overhigh temperature of the inside of the motor is avoided, in order to ensure enough circulating air volume, the air speed of the air vent 8 is faster, even if, therefore, a circulating air structure is achieved, air circulation is greatly increased, the heat dissipation effect is improved, and the service life is prolonged.

The utility model relates to a direct current motor stator assembly, which comprises a stator 1 and a shell; 2. an air suction opening; 3. filtering with a screen; 4. a wire winding rod; 5. a bearing set; 6. a bearing A; 7. a protruding block; 8. a vent; 9. a stationary ring; 10. a support block; 11. a spring; 12. the bearing B, the components are all universal standard parts or parts known to those skilled in the art, and the structure and principle thereof are known to those skilled in the art through technical manuals or through routine experimentation.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (5)

1. The utility model provides a direct current motor stator module, includes shell (1), its characterized in that, inlet scoop (2) and inlet scoop (2) have been seted up on shell (1) surface and have been four-point evenly distributed on shell (1), filter screen (3) are installed to inlet scoop (2) inner wall, shell (1) inner wall is installed wire winding rod (4) and has four, shell (1) surface mounting has salient piece (7), salient piece (7) surface through connection has vent (8) and vent (8) to have a plurality ofly, bearing A (6) are installed to salient piece (7) inner wall, bearing group (5) are installed to shell (1) inner wall.

2. A stator assembly according to claim 1, characterized in that the surface of the air suction opening (2) is arc-shaped and has the same direction as the motor rotation direction.

3. The direct current motor stator assembly according to claim 1, wherein the bearing set (5) is provided with a fixed ring (9) on the surface, the inner wall of the fixed ring (9) is welded with four supporting blocks (10), one side of each supporting block (10) far away from the fixed ring (9) is welded with a bearing B (12), the surface of each bearing B (12) is welded with a spring (11) and the number of the springs (11) is four, and the other side of each spring (11) is welded on the inner wall of the fixed ring (9).

4. A direct current motor stator assembly according to claim 1, characterized in that said ventilation opening (8) is tapered in diameter from a left position to a right position.

5. A direct current motor stator assembly according to claim 1, characterized in that the housing (1) is snap-fitted to the protruding block (7).

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