CN209994216U

CN209994216U - Motor convenient to change inside flabellum of motor

Info

Publication number: CN209994216U
Application number: CN201920877650.2U
Authority: CN
Inventors: 叶重荣
Original assignee: Guangdong Shunde Tenghao Electric Co Ltd
Current assignee: Guangdong Shunde Tenghao Electric Co Ltd
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-01-24
Anticipated expiration: 2029-06-11

Abstract

The utility model discloses a be convenient for motor of changing to inside flabellum of motor relates to motor technical field, including protecting a section of thick bamboo, bottom end cover and upper end cover outward, the both ends of protecting a section of thick bamboo outward are fixedly connected with bottom end cover and upper end cover respectively, the fixed rotor subassembly that is provided with in inside central point position of protecting a section of thick bamboo outward, the fixed stator that has cup jointed of surface of rotor subassembly, the outer fixed surface of stator has cup jointed the subassembly of making an uproar of falling. This motor convenient to change inside flabellum of motor, with threaded connection's mode, realize connecting inside flabellum of motor and output shaft, and the rotation opposite direction of threaded direction and motor output shaft, be difficult to drop, and quick detachable, through cup jointing the structure that can realize making an uproar that falls in the outside of stator, the structure of should making an uproar that should fall utilizes the characteristic that the noise energy gradually reduces in the collision in-process, reduce the motor by a wide margin at normal during operation, produced noise, prevent noise pollution, structure scientific and reasonable, convenience safe in utilization.

Description

Motor convenient to change inside flabellum of motor

Technical Field

The utility model relates to the technical field of electric machines, specifically be a motor convenient for change the inside flabellum of motor.

Background

An electric Motor (Motor) is a device that converts electrical energy into mechanical energy. It mainly comprises an electromagnet winding or distributed stator winding for generating a magnetic field and a rotating armature or rotor. The rotating magnetic field is generated by the electrified coil and acts on the rotor to form magnetoelectric power rotating torque. The motor in the power system is mainly an alternating current motor which can be a synchronous motor or an asynchronous motor, the motor mainly comprises a stator and a rotor, and the forced movement direction of an electrified lead in a magnetic field is related to the current direction and the magnetic induction line direction. The working principle is that the magnetic field acts on the current to rotate the motor.

Inside stator and the rotor of including of motor, the rotor is around stator pivoted in-process, produce the electromagnetic effect, can produce a large amount of heat energy, in order to let the motor can reach long-time not work of stopping down as far as, the heat dissipation of current motor, adopt the internally mounted fan mostly, inside the fan drives the air water conservancy diversion and advances the motor, take away the heat, the external radiating fin on the casing is adopted to the minority, equally also can reach radiating purpose, in the current motor, the fan is installed at the output shaft end of motor usually, and the connected mode is shaft liner connection mostly, the connected mode of axle sleeve is comparatively fixed, and be difficult for tearing open the flabellum and change or wash, cause inconvenience, therefore, we have proposed a motor of being convenient for change to the inside flabellum of motor.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a be convenient for motor of changing to the inside flabellum of motor, the connected mode of having solved current motor and flabellum is mostly the axle sleeve formula and is connected, and the connected mode of axle sleeve is comparatively fixed, and is difficult for tearing open and gets the flabellum and change or wash, causes inconvenient problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a motor convenient to change inside flabellum of motor, includes and protects a section of thick bamboo, lower extreme cover and upper end cover outward, the both ends difference fixedly connected with lower extreme cover and the upper end cover of protecting a section of thick bamboo outward, the fixed rotor subassembly that is provided with in inside central point who protects a section of thick bamboo outward puts, the fixed surface that has cup jointed the stator of rotor subassembly, the external fixation of stator has cup jointed the subassembly of making an uproar that falls.

The rotor subassembly includes cage type rotor, the central point fixedly connected with output shaft of cage type rotor, the bottom of output shaft extends to the outside of lower extreme cover to fixed cover has connect initiative rim plate, the top of output shaft has fixed the spacing lantern ring that has cup jointed through the welding mode, and the top of output shaft has cup jointed the flabellum to fix through screw thread portion and fastening nut, the fixed top surface of seting up at the output shaft of screw thread portion, fastening nut is located the top of flabellum.

The noise reduction assembly comprises a cylinder body, wherein an external thread is fixedly arranged on the outer side surface of the cylinder body, a sound guide hole is fixedly arranged on the inner side surface of the cylinder body, and a bent part is arranged inside the sound guide hole.

Preferably, the bottom end and the lower end cover of the outer protective cylinder and the top end and the upper end cover of the outer protective cylinder are fixed through double-layer flanges and bolts, and the flanges are welded and fixed with the outer protective cylinder, the lower end cover and the upper end cover.

Preferably, the front surface of the outer casing is fixedly connected with a junction box, the front side surface and the rear side surface of the lower end cover are respectively provided with an air outlet window in an embedded manner, and the top surface of the upper end cover is fixedly provided with drainage holes distributed in an annular manner.

Preferably, a bearing seat is fixedly arranged at a portion where the output shaft and the lower end cover are in contact with each other, an outer ring of the bearing seat is fixed to the lower end cover, and the inside of the bearing seat is fixed to the output shaft.

Preferably, the opening direction of the threaded portion is opposite to the rotating direction of the output shaft, and a sleeve arranged inside the fan blade is matched with the size of the output shaft and smaller than the size of the limiting sleeve ring.

Preferably, the inner walls of the barrel body and the outer protecting barrel are rotatably connected through external threads and internal threads, and the barrel body is matched with the outer protecting barrel in size.

Advantageous effects

The utility model provides a be convenient for motor of changing to the inside flabellum of motor. Compared with the prior art, the method has the following beneficial effects:

1. this motor convenient to change inside flabellum of motor, with threaded connection's mode, realize connecting inside flabellum of motor and output shaft, and the rotation opposite direction of threaded direction and motor output shaft, when motor output shaft drives machinery and rotates, flabellum zonulae occludens is terminal at the axis body, compare in the connected mode who utilizes the axle sleeve, this kind of connected mode is when dismantling the flabellum, it is comparatively convenient, take and the spanner antiport of fastening bolt adaptation can demolish, high convenience and fastness, the practicality of motor in normal working process has been improved.

2. This motor convenient to change to inside flabellum of motor has realized falling the structure of making an uproar through cup jointing in the outside of stator, should fall the characteristic that the structure of making an uproar utilizes the noise energy to reduce gradually in the collision process, reduces substantially the motor at normal during operation, and produced noise prevents to take place noise pollution, structure scientific and reasonable, convenience safe in utilization.

Drawings

FIG. 1 is an exploded view of the present invention;

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

fig. 3 is a schematic structural view of the rotor assembly of the present invention;

fig. 4 is a schematic structural view of the noise reduction assembly of the present invention;

fig. 5 is the internal structure diagram of the noise reduction assembly of the present invention.

In the figure: 1. an outer protective cylinder; 2. a lower end cover; 3. an upper end cover; 4. a rotor assembly; 41. a cage rotor; 42. an output shaft; 43. a driving pulley disc; 44. a bearing seat; 45. a limiting lantern ring; 46. a threaded portion; 47. a fan blade; 48. fastening a nut; 5. a stator; 6. a noise reduction assembly; 61. a barrel; 62. an external thread; 63. a sound guide hole; 64. a bending section; 7. a junction box; 8. an air outlet window; 9. and (4) drainage holes.

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. 1-2, the present invention provides a technical solution: the utility model provides a motor convenient to change inside flabellum of motor, including protecting a section of thick bamboo 1 outward, lower end cover 2 and upper end cover 3, the both ends difference fixedly connected with lower end cover 2 and the upper end cover 3 of protecting a section of thick bamboo 1 outward, it is fixed through double-deck ring flange and bolt between bottom and the lower end cover 2 and the top of protecting a section of thick bamboo 1 outward and the upper end cover 3 outward, the ring flange protects a section of thick bamboo 1 outward, be welded fastening between lower end cover 2 and the upper end cover 3, the front surface fixedly connected with terminal box 7 of protecting a section of thick bamboo 1 outward, the front and back side surface of lower end cover 2 all imbeds and is provided with air outlet window 8, the top fixed surface of upper end cover 3 sets up the drainage hole 9 that is annular distribution, the fixed rotor subassembly 4 that is provided with in inside central point of protecting a section of thick bamboo 1, the external surface mounting of rotor.

Referring to fig. 3, the rotor assembly 4 includes a cage-shaped rotor 41, an output shaft 42 is fixedly connected to a central portion of the cage-shaped rotor 41, a bottom end of the output shaft 42 extends to an outer portion of the lower end cap 2, and is fixedly sleeved with a driving pulley disc 43, a limiting collar 45 is fixedly sleeved on a top portion of the output shaft 42 in a welding manner, and a fan blade 47 is sleeved on the top portion of the output shaft 42 and is fixed by a screw thread portion 46 and a fastening nut 48, the screw thread portion 46 is fixedly opened on a top surface of the output shaft 42, the fastening nut 48 is located above the fan blade 47, an opening direction of the screw thread portion 46 is opposite to a rotation direction of the output shaft 42, a sleeve disposed inside the fan blade 47 is matched with a size of the output shaft 42 and is smaller than a size of the limiting collar 45, a bearing seat 44 is fixedly disposed on a portion to be contacted, and the interior of the bearing housing 44 is fixed with the output shaft 42.

Referring to fig. 4-5, the noise reduction assembly 6 includes a cylinder 61, an external thread 62 is fixedly formed on an outer side surface of the cylinder 61, a sound guide hole 63 is fixedly formed on an inner side surface of the cylinder 61, a curved portion 64 is formed inside the sound guide hole 63, the cylinder 61 is rotatably connected with an inner wall of the outer protection cylinder 1 through the external thread 62 and the internal thread, and the cylinder 61 is matched with the outer protection cylinder 1 in size.

When the electric energy-saving motor is used, an external power supply provides power input for the motor through the junction box 7, electric energy acts on the cage-shaped rotor 41 and the stator 5 to generate an electromagnetic effect to enable the cage-shaped rotor 41 to continuously rotate in the stator 5, because the cage-shaped rotor 41 is fixedly connected with the output shaft 42 of the motor, the cage-shaped rotor 41 can drive the output shaft 42 to rotate, the bottom end of the output shaft 42 drives the driving pulley disc 43 to rotate to realize power output, the top end of the output shaft 42 drives the fan blades 47 to rotate, the fan blades 47 rotate to enable the interior of the motor to form negative pressure, external air is enabled to enter the interior of the motor through the drainage holes 9, the heat in the interior of the motor is taken away by airflow and is exhausted through the air outlet window 8, the heat dissipation purpose is realized, when the fan blades 47 are damaged or a large amount of dust attached to the surface of the, with the help of with the spanner of 48 size looks adaptations of fastening nut, clockwise turning, fastening nut 48 can be taken off, at this moment, alright dismantle flabellum 47 get off, convenient and fast, time saving and labor saving, in addition, the motor can produce the noise at the during operation, after the noise transmission is to leading the inside of sound hole 63, because the inside of leading sound hole 63 is provided with multistage flexion 64, the noise constantly bumps with flexion 64, the energy disappears gradually, thereby realize falling the purpose of making an uproar, structure scientific and reasonable, convenience safe in utilization.

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 convenient to change to inside flabellum of motor, includes and protects a section of thick bamboo (1), lower extreme cover (2) and upper end cover (3) outward, its characterized in that: the two ends of the outer protective cylinder (1) are respectively and fixedly connected with a lower end cover (2) and an upper end cover (3), a rotor assembly (4) is fixedly arranged at the inner center position of the outer protective cylinder (1), a stator (5) is fixedly sleeved on the outer surface of the rotor assembly (4), and a noise reduction assembly (6) is fixedly sleeved on the outer surface of the stator (5);

the rotor assembly (4) comprises a cage-shaped rotor (41), an output shaft (42) is fixedly connected to the center of the cage-shaped rotor (41), the bottom end of the output shaft (42) extends to the outside of the lower end cover (2) and is fixedly sleeved with a driving pulley disc (43), a limiting lantern ring (45) is fixedly sleeved on the top of the output shaft (42) in a welding mode, fan blades (47) are sleeved on the top of the output shaft (42) and are fixed through a threaded portion (46) and a fastening nut (48), the threaded portion (46) is fixedly arranged on the surface of the top of the output shaft (42), and the fastening nut (48) is located above the fan blades (47);

the noise reduction assembly (6) comprises a cylinder body (61), an external thread (62) is fixedly arranged on the outer side surface of the cylinder body (61), a sound guide hole (63) is fixedly arranged on the inner side surface of the cylinder body (61), and a bending portion (64) is arranged inside the sound guide hole (63).

2. The motor of claim 1, wherein the fan blades inside the motor are easily replaced by: the bottom end of the outer protective cylinder (1) is fixed with the lower end cover (2) through a double-layer flange plate and bolts, and the top end of the outer protective cylinder (1) is fixed with the upper end cover (3) through a double-layer flange plate and bolts, and the flange plate is welded and fixed with the outer protective cylinder (1), the lower end cover (2) and the upper end cover (3).

3. The motor of claim 1, wherein the fan blades inside the motor are easily replaced by: the front surface of the outer casing (1) is fixedly connected with a junction box (7), the front side surface and the rear side surface of the lower end cover (2) are respectively provided with an air outlet window (8) in an embedded manner, and the top surface of the upper end cover (3) is fixedly provided with drainage holes (9) which are distributed annularly.

4. The motor of claim 1, wherein the fan blades inside the motor are easily replaced by: a bearing seat (44) is fixedly arranged at a part which is supposed to be contacted between the output shaft (42) and the lower end cover (2), an outer ring of the bearing seat (44) is fixed with the lower end cover (2), and the inner part of the bearing seat (44) is fixed with the output shaft (42).

5. The motor of claim 1, wherein the fan blades inside the motor are easily replaced by: the opening direction of the threaded portion (46) is opposite to the rotating direction of the output shaft (42), and a sleeve arranged inside the fan blade (47) is matched with the size of the output shaft (42) and smaller than the size of the limiting sleeve ring (45).

6. The motor of claim 1, wherein the fan blades inside the motor are easily replaced by: the inner wall of barrel (61) and outer protecting cylinder (1) is connected through external screw thread (62) and internal thread rotation, barrel (61) and outer protecting cylinder's (1) size looks adaptation.