CN210273660U

CN210273660U - Micromotor capable of preventing stator from loosening

Info

Publication number: CN210273660U
Application number: CN201921423504.9U
Authority: CN
Inventors: 吴一明
Original assignee: Suzhou Yuwei Electric Co Ltd
Current assignee: Suzhou Yuwei Electric Co Ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-04-07
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses a prevent not hard up micromotor of stator, including lower base and mobile unit, lower base: the left side of base is fixed with motor casing down, motor casing's left side is fixed with the base, it passes through fastening bolt to fix in motor casing's inside to go up the base, motor casing's middle part is fixed with the stator, the right side of stator is equipped with four stoppers, and every stopper evenly fixes in motor casing's inside, the inside rotation of base and last base is connected with the pivot down, and the top of pivot passes the left side of last base, the side of pivot is fixed with the rotor, the rotor corresponds the setting with the stator, and the rotor is located the inside of stator, the mobile unit: the mobile unit comprises a first sliding groove, a fixed column, a moving rod, a handle, a moving block, a second sliding groove, a limiting column and a spring, the first sliding groove is correspondingly formed in the front side and the rear side of the motor shell, and the micromotor capable of preventing the stator from loosening is convenient to disassemble, clean, good in heat dissipation effect and long in service life.

Description

Micromotor capable of preventing stator from loosening

Technical Field

The utility model relates to the technical field of motors, specifically be a prevent not hard up micromotor of stator.

Background

With the wide application of the permanent magnet direct current motor, the magnetic steel forming the stator in the permanent magnet direct current motor is conventionally fixed in the motor shell by glue, and the magnetism of the magnetic steel is utilized, so that the magnetic steel can be generally and tightly adsorbed on the motor shell, but due to the severe working environment and the increase of the working time of the motor, for example, when the motor works in a high-temperature environment, the adhesive strength of the glue is reduced; great plum rain weather of humidity and rainy day during operation have water or moisture to get into inevitable, motor housing can rust at a long time, rusty rust expands between magnet steel and motor housing, prop open the magnet steel, these all can lead to glue to lose the effect that should, only rely on magnetic force to adsorb the magnet steel on motor housing, under jolting and the impact effect of rotor magnetic field force, the magnet steel will shift and drop even, lead to the performance decline of motor or even the crash, and current direct current motor's shell adopts the welded mode, inconvenient in time to the clearance of motor inside, the live time leads to motor performance to descend.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a prevent that stator is not hard up micromotor, convenient to detach clearance, radiating effect are good, long service life, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a micromotor for preventing a stator from loosening comprises a lower base and a moving unit;

a lower base: a motor shell is fixed on the left side of the lower base, an upper base is fixed on the left side of the motor shell, the upper base is fixed inside the motor shell through a fastening bolt, a stator is fixed in the middle of the motor shell, four limiting blocks are arranged on the right side of the stator, each limiting block is uniformly fixed inside the motor shell, a rotating shaft is rotatably connected inside the lower base and the upper base, the top end of the rotating shaft penetrates through the left side of the upper base, a rotor is fixed on the side surface of the rotating shaft, the rotor is arranged corresponding to the stator, and the rotor is located inside the stator;

a mobile unit: the movable unit comprises a first sliding groove, a fixed column, a movable rod, a handle, a movable block, a second sliding groove, a limiting column and a spring, the first sliding groove is correspondingly formed in the front side and the rear side of the motor shell, the fixed column is fixed in the first sliding groove, the movable rod is connected in the fixed column in a sliding mode, the handle is fixedly connected to the rear side, penetrating through the fixed column, of the rear end of the movable rod, the movable block is fixedly connected to the front side, penetrating through the fixed column, of the front end of the movable rod, the movable block is connected in the first sliding groove in a sliding mode, the four second sliding grooves are formed in the motor shell, the second sliding grooves are located on the left side and the right side of the first sliding groove, the limiting column is fixed to the upper side and the lower side of the movable block, the limiting column;

when the stator in the motor needs to be changed or cleaned, the moving block is moved to the outer side by pulling the handles to the two sides, so that the spring is contracted, when the inner side of the moving block completely moves to the inside of the motor shell, the stator is taken out, cleaning is convenient, and when the moving block moves, the position of the moving block is limited by the limiting columns.

The motor stator further comprises a junction box and a binding post, wherein the input end of the binding post is electrically connected with the output end of an external power supply, the output end of the binding post is electrically connected with a stator winding inside the stator, and the binding post is used for communicating the external power supply with an electricity utilization stator winding inside the motor.

Further, still include slide rail and spout, motor casing inside is fixed with two corresponding slide rails, two corresponding spouts have been seted up to the side of stator, slide rail and spout correspond the setting, and slide rail sliding connection is inside the spout, when the stator reciprocates, slides in the spout through the slide rail, prevents that the stator from taking place to rotate round the pivot.

Further, still include the heat dissipation strip, the outside of motor casing is fixed with even heat dissipation strip, and when the motor operation, the heat dissipation strip is used for dispelling the heat of motor casing.

Further, the motor shell further comprises a fixed seat and a fixed plate, the fixed seat is fixed on the bottom side of the motor shell, the fixed plate is fixed on the bottom side of the fixed seat, and when the motor runs, the fixed seat and the fixed plate prevent the motor from moving due to vibration.

Further, still include louvre and ventilated membrane, even louvre has been seted up to the inside of base down, the inside ventilated membrane that all is equipped with of louvre the ventilated membrane adopts the waterproof heat dissipation ventilated membrane of polymer, and when the motor operation, the inside heat of motor is passed through louvre and ventilated membrane and is gone, and in the great plum rainy day during operation of humidity, the ventilated membrane can prevent inside water gets into the motor, has guaranteed the steady safe operation of motor.

Compared with the prior art, the beneficial effects of the utility model are that: this prevent little motor of stator pine has following benefit:

1. when the stator needs to be replaced or the interior of the motor needs to be cleaned, the fastening bolt is detached, the base is taken down, the moving block is moved to the outer side by pulling the handles to the front side and the rear side, so that the spring is contracted, when the inner side of the moving block completely moves to the interior of the motor shell, the stator is taken out, after the interior of the motor is cleaned, the sliding rail inside the motor shell slides in the sliding groove on the side face of the stator, the stator is pushed until the bottom end of the stator contacts with the limiting block, the moving block is moved to the inner side by the action of the spring until the moving block moves to the left side of the stator, the replacing mode is simple in operation and safe and reliable.

2. Through setting up stopper and movable block inside motor casing, guaranteed can not take place axial displacement after adorning the stator, when the motor operation, through setting up the spout in the inside slide rail of motor casing and stator side, make the stator more firm, prevent that the stator from rotating along with the pivot, having guaranteed motor even running.

3. Even louvre has been seted up to the inside of base down, and the louvre is inside all to be equipped with the ventilated membrane and to adopt the waterproof heat dissipation ventilated membrane of polymer, and when the motor operation, the inside heat of motor is passed through louvre and ventilated membrane and is gone, and in the great plum rainy day during operation of humidity, the ventilated membrane can prevent that water from getting into inside the motor, has improved the work efficiency of motor, has prolonged the working life of motor.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a right side view of the structure of the present invention;

fig. 4 is a schematic diagram of the mobile unit structure of the present invention.

In the figure: the motor comprises a lower base 1, a motor shell 2, an upper base 3, a fastening bolt 4, a moving unit 5, a first sliding groove 51, a fixed column 52, a moving rod 53, a handle 54, a moving block 55, a second sliding groove 56, a limiting column 57, a spring 58, a limiting block 6, a stator 7, a rotating shaft 8, a rotor 9, a sliding rail 10, a sliding groove 11, a heat dissipation strip 12, a junction box 13, a binding post 14, a fixed seat 15, a fixed plate 16, a heat dissipation hole 17 and a breathable film 18.

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 micromotor for preventing stator from loosening comprises a lower base 1 and a moving unit 5;

a lower base 1: a motor shell 2 is fixed on the left side of a lower base 1, an upper base 3 is fixed on the left side of the motor shell 2, the upper base 3 is fixed inside the motor shell 2 through a fastening bolt 4, a stator 7 is fixed on the middle portion of the motor shell 2, four limit blocks 6 are arranged on the right side of the stator 7, each limit block 6 is uniformly fixed inside the motor shell 2, a rotating shaft 8 is rotatably connected inside the lower base 1 and the upper base 3, the top end of the rotating shaft 8 penetrates through the left side of the upper base 3, a rotor 9 is fixed on the side surface of the rotating shaft 8, the rotor 9 is arranged corresponding to the stator 7, the rotor 9 is positioned inside the stator 7, the heat dissipation strip 12 is further included, uniform heat dissipation strips 12 are fixed on the outer side of the motor shell 2, when the motor runs, the heat dissipation strips 12 are used for dissipating heat of the motor shell 2, the motor shell further, the bottom side of the fixed seat 15 is fixed with a fixed plate 16, when the motor operates, the fixed seat 15 and the fixed plate 16 prevent the motor from moving due to vibration, the motor further comprises heat dissipation holes 17 and a breathable film 18, the lower base 1 is internally provided with uniform heat dissipation holes 17, the breathable film 18 is arranged inside the heat dissipation holes 17, the breathable film 18 is a high-molecular waterproof heat dissipation breathable film, when the motor operates, heat inside the motor is dissipated through the heat dissipation holes 17 and the breathable film 18, and in addition, when the motor operates in plum rainy days with high humidity, the breathable film 18 can prevent water from entering the motor, so that the stable and safe operation of the motor is ensured;

the moving unit 5: the moving unit 5 comprises a first sliding chute 51, a fixed column 52, a moving rod 53, a handle 54, a moving block 55, a second sliding chute 56, a limit post 57 and a spring 58, the front side and the rear side of the motor casing 2 are correspondingly provided with the first sliding chute 51, the fixed column 52 is fixed in the first sliding chute 51, the moving rod 53 is connected in the fixed column 52 in a sliding way, the handle 54 is fixedly connected at the rear end of the moving rod 53 passing through the rear side of the fixed column 52, the moving block 55 is fixedly connected at the front end of the moving rod 53 passing through the front side of the fixed column 52, the moving block 55 is connected in the first sliding chute 51 in a sliding way, four second sliding chutes 56 are arranged in the motor casing 2, the second sliding chutes 56 are positioned at the left side and the right side of the first sliding chute 51, the limit posts 57 are fixed at the upper side and the lower side of the moving block 55, the limit posts 57 are connected, when stator 7 in the motor needs to be changed or cleared up, through to both sides pulling handle 54, make the movable block 55 move to the outside, thereby make spring 58 shrink, when the inboard of movable block 55 moves the inside of motor casing 2 completely, take out stator 7, convenient clearance, when movable block 55 moves, spacing post 57 restricts the position of movable block 55, still include slide rail 10 and spout 11, motor casing 2 is inside to be fixed with two corresponding slide rails 10, two corresponding spouts 11 have been seted up to the side of stator 7, slide rail 10 and spout 11 correspond the setting, and slide rail 10 sliding connection is inside spout 11, when stator 7 reciprocates, slide in spout 11 through slide rail 10, prevent that stator 7 from taking place to rotate around pivot 8.

The motor stator further comprises a junction box 13 and a binding post 14, wherein the input end of the binding post 14 is electrically connected with the output end of an external power supply, the output end of the binding post 14 is electrically connected with a stator winding inside the stator 7, and the binding post 14 is used for communicating the external power supply with an electricity-using stator winding inside the motor.

When in use: the input end of a binding post 14 is connected with the output end of an external power supply, the output end of the binding post 14 is connected with a stator winding in a stator 7, a rotating magnetic field is generated through the stator winding, a rotor 9 cuts magnetic lines of force in a magnetic selection field to generate induced electromotive force, thereby generating induced current, the induced current generates an induced magnetic field, the rotor induced magnetic field interacts with the stator magnetic selection field to generate electromagnetic torque, thereby rotating the rotor, when the stator 8 needs to be replaced or the interior of the motor needs to be cleaned, a fastening bolt 4 is removed, an upper base 3 is removed, a moving block 55 moves towards the outer side by pulling handles 54 at the front side and the rear side, thereby enabling a spring 58 to contract, when the inner side of the moving block 55 completely moves to the interior of the motor shell 2, the stator 7 is taken out, after the interior of the motor is cleaned, a slide rail 10 in the motor shell 2 slides, promote stator 7, until the bottom of stator 7 contacts with stopper 6, through the effect of spring 58, make the movable block 55 move to the inboard, until the movable block 55 moves the left side of stator 7, fix last base 3 in motor casing 2 through fastening bolt 4, through setting up stopper 6 and the movable block 55 in motor casing 2 inside, guaranteed can not take place axial displacement after adorning stator 7, when the motor operation, through setting up slide rail 10 and the spout 11 of stator side in motor casing inside, make stator 7 more firm, prevent that stator 7 from rotating along with the pivot.

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 prevent little motor that stator is not hard up which characterized in that: comprises a lower base (1) and a mobile unit (5);

lower base (1): the motor shell (2) is fixed on the left side of the lower base (1), the upper base (3) is fixed on the left side of the motor shell (2), the upper base (3) is fixed inside the motor shell (2) through a fastening bolt (4), a stator (7) is fixed in the middle of the motor shell (2), four limit blocks (6) are arranged on the right side of the stator (7), each limit block (6) is uniformly fixed inside the motor shell (2), a rotating shaft (8) is rotatably connected inside the lower base (1) and the upper base (3), the top end of the rotating shaft (8) penetrates through the left side of the upper base (3), a rotor (9) is fixed on the side face of the rotating shaft (8), the rotor (9) and the stator (7) are correspondingly arranged, and the rotor (9) is located inside the stator (7);

mobile unit (5): the moving unit (5) comprises a first sliding groove (51), a fixed column (52), a moving rod (53), a handle (54), a moving block (55), a second sliding groove (56), a limiting column (57) and a spring (58), wherein the first sliding groove (51) is correspondingly formed in the front side and the rear side of the motor shell (2), the fixed column (52) is fixed in the first sliding groove (51), the moving rod (53) is connected in the fixed column (52) in a sliding manner, the handle (54) is fixedly connected to the rear side of the moving rod (53) penetrating through the fixed column (52), the moving block (55) is fixedly connected to the front side of the moving rod (53) penetrating through the fixed column (52), the moving block (55) is connected in the first sliding groove (51) in a sliding manner, the four second sliding grooves (56) are formed in the motor shell (2), and the second sliding grooves (56) are located on the left side and the right side of the first sliding, limiting columns (57) are fixed on the upper side and the lower side of the moving block (55), the limiting columns (57) are connected in the second sliding grooves (56) in a sliding mode, springs (58) are sleeved on the side faces of the moving rod (53), and the springs (58) are located between the fixed column (52) and the moving block (55);

the motor stator further comprises a junction box (13) and a binding post (14), wherein the input end of the binding post (14) is electrically connected with the output end of an external power supply, and the output end of the binding post (14) is electrically connected with a stator winding inside the stator (7).

2. The micromotor according to claim 1, characterized in that: still include slide rail (10) and spout (11), motor casing (2) inside is fixed with two slide rails (10) that correspond, two corresponding spouts (11) have been seted up to the side of stator (7), slide rail (10) and spout (11) correspond the setting, and slide rail (10) sliding connection is inside spout (11).

3. The micromotor according to claim 1, characterized in that: the motor is characterized by further comprising heat dissipation strips (12), wherein the uniform heat dissipation strips (12) are fixed on the outer side of the motor shell (2).

4. The micromotor according to claim 1, characterized in that: the motor shell is characterized by further comprising a fixed seat (15) and a fixed plate (16), wherein the fixed seat (15) is fixed on the bottom side of the motor shell (2), and the fixed plate (16) is fixed on the bottom side of the fixed seat (15).

5. The micromotor according to claim 1, characterized in that: still include louvre (17) and ventilated membrane (18), even louvre (17) have been seted up to the inside of lower base (1), louvre (17) inside all is equipped with ventilated membrane (18).