CN218733611U

CN218733611U - Permanent magnet synchronous motor with easily-detachable fan cover

Info

Publication number: CN218733611U
Application number: CN202223057813.3U
Authority: CN
Inventors: 尤素刚
Original assignee: Nanjing Youtuo Electromechanical Technology Co ltd
Current assignee: Nanjing Youtuo Electromechanical Technology Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-03-24
Anticipated expiration: 2032-11-18

Abstract

The utility model relates to a PMSM technical field, concretely relates to PMSM of easily dismantling fan housing, include: motor body, fan and can dismantle the fan housing of connection in motor body one end, still include coupling assembling, coupling assembling includes the locating part and installs two arc connecting pieces that set up relatively in the fan housing inboard, motor body has seted up the draw-in groove near the one end of fan housing, two form spacing cavity respectively between the tip of arc connecting piece. The utility model discloses a locating part and arc connecting piece's cooperation, with the fan housing suit in motor body's one end, make the arc strip remove to draw-in groove department to effect at elastic block and stopper, thereby fix the fan housing, improve its stability, when demolising the fan housing, press the fixture block and reduce the distance between the spacing cavity, and shift out along the spacing groove, thereby dismantle the fan housing, and improve PMSM's dismouting efficiency and maintenance efficiency.

Description

Permanent magnet synchronous motor with easily-detachable fan cover

Technical Field

The utility model relates to a PMSM technical field especially relates to an easily dismantle PMSM of fan housing.

Background

The permanent magnet synchronous motor uses the permanent magnet to provide excitation, so that the structure of the motor is simpler, the processing and assembly cost is reduced, a collecting ring and an electric brush which are easy to cause problems are saved, the running reliability of the motor is improved, the efficiency and the power density of the motor are improved because excitation current is not needed and excitation loss is avoided,

and permanent magnet synchronous motor can produce a large amount of heats after long-time operation, generally can be in the one end installation fan of keeping away from the rotor output shaft to carry out the forced air cooling heat dissipation, the fan need annotate lubricating oil after long-time the use, still need clear up the dust on fan cover and the fan, thereby improve the radiating efficiency of motor, in order to dismantle the fan cover, generally adopt the screw to fix.

To the correlation technique among the above-mentioned, the inventor finds that because the motor can produce vibrations when the operation, can lead to the screw not hard up, and some PMSM use under humid environment, make the screw corrosion easily to reduce PMSM's security, and influence the dismouting efficiency and the maintenance efficiency of fan housing.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides an easily dismantle permanent magnet synchronous motor of fan housing, is convenient for improve the dismouting efficiency of fan housing to improve permanent magnet synchronous motor's maintenance efficiency.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides an easily dismantle PMSM of fan housing includes: the fan comprises a motor body, a fan cover detachably connected to one end of the motor body and a connecting assembly;

the connecting assembly comprises a limiting piece and two arc-shaped connecting pieces which are oppositely arranged on the inner side of the fan cover, a clamping groove is formed in one end, close to the fan cover, of the motor body, a limiting cavity is formed between the end portions of the two arc-shaped connecting pieces, and the limiting piece is suitable for adjusting the width of the limiting cavity;

the locating part includes two stoppers, stopper horizontal symmetry sets up on this excircle of motor, the spacing groove has all been seted up on the stopper, the arc connecting piece includes the arc strip and connects the fixture block at its both ends respectively, the inboard of arc strip be connected with draw-in groove assorted arc bullet layering.

Through adopting above-mentioned technical scheme, the distance between the spacing cavity is adjusted to the stopper to in fixing the arc connecting piece to the draw-in groove, spacing the fixture block in the draw-in groove simultaneously, so that the fan housing carries out the dismouting, improves the convenience of its maintenance.

The present invention may be further configured in a preferred embodiment as: the outside of arc strip is connected with the elastic block, the one end of fan housing is seted up with stopper assorted holding mouth.

By adopting the technical scheme, in the process of installing the fan cover, the clamping block is limited by the pressure of the limiting block, and under the mutual extrusion of the fan cover and the action of the elastic block, the arc-shaped elastic pressing strip is limited in the limiting groove, so that the motor body is prevented from vibrating to loosen the motor body.

The present invention may be further configured in a preferred embodiment as: the motor comprises a motor body and is characterized in that a heat dissipation shell is mounted on the outer circle of the motor body and connected with a connecting piece, a plurality of cooling fins are arranged on the heat dissipation shell at intervals, and one ends of the cooling fins are connected with the motor body.

Through adopting above-mentioned technical scheme, motor body drives the fan rotation in the operation in-process in step, makes external air conditioning get into to mutually support with the fin, thereby reduce motor body's heat.

The present invention may be further configured in a preferred embodiment as: a plurality of heat dissipation channels are formed among the heat dissipation fins, and a heat dissipation opening matched with the heat dissipation channels is formed in one end, far away from the fan cover, of the heat dissipation shell.

Through adopting above-mentioned technical scheme, the fan produces the negative pressure at the rotation in-process, with the outside air suction heat dissipation channel in, fully volatilize the heat that motor body gived off to improve motor body's radiating efficiency.

The present invention may be further configured in a preferred embodiment as: the inner side of the clamping groove is connected with a gasket.

Through adopting above-mentioned technical scheme, the elastic block extrudees the arc strip, makes arc bullet layering and the inseparable laminating of packing ring, reduces the noise that the two produced when preventing that the motor vibrations from droing.

The present invention may be further configured in a preferred embodiment as: and the right side of the arc-shaped connecting piece is connected with a sealing ring.

Through adopting above-mentioned technical scheme, the fan can be with in the air cover of air conditioning transmission at rotatory in-process, and the sealing washer improves the leakproofness of air cover, prevents that air conditioning from spilling over along the holding mouth, reduces the wind pressure to make air conditioning fully dispel the heat along heat dissipation channel.

To sum up, the utility model discloses a following beneficial technological effect of permanent magnet synchronous motor of an easily dismantlement fan housing: through the cooperation of locating part and arc connecting piece, with the fan housing suit in the one end of motor body, make the arc strip remove to draw-in groove department, and in the effect of elastic block and stopper, thereby fix the fan housing, improve its stability, when demolising the fan housing, press down the fixture block and reduce the distance between the spacing cavity, and shift out along the spacing groove, thereby dismantle the fan housing, so that the staff maintains, and improve PMSM's dismouting efficiency and maintenance efficiency.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings 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 for those skilled in the art, other drawings can be obtained without inventive work, wherein:

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

fig. 2 is a cross-sectional view of the present invention;

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

FIG. 4 isbase:Sub>A cross-sectional view A-A of FIG. 1;

fig. 5 is an enlarged view of the position a of the present invention.

In the figure: 1. a motor body; 2. a fan; 3. a fan housing; 40. a connecting assembly; 5. a heat dissipating housing; 6. a heat sink; 7. a heat dissipation channel; 8. a heat dissipation port;

41. a limiting member; 42. an arc-shaped connecting piece; 43. a card slot; 44. a limiting cavity; 45. a gasket; 46. a seal ring;

411. a limiting block; 412. a limiting groove;

421. an arc-shaped strip; 422. a clamping block; 423. an arc elastic pressing strip; 424. an elastic block; 425. an accommodating port.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for purposes of illustration and explanation only and are not intended to limit the invention.

It should be noted that these drawings are simplified schematic views, and the basic structure of the present invention is described only in a schematic manner, and therefore, only the configuration related to the present invention is shown.

Referring to fig. 1-5, for the utility model discloses an easily dismantle PMSM of fan housing, include: the method comprises the following steps: the motor comprises a motor body 1, a fan 2, a fan housing 3 detachably connected to one end of the motor body 1, and a connecting assembly 40, wherein the connecting assembly 40 comprises a limiting part 41 and two arc-shaped connecting parts 42 oppositely arranged on the inner side of the fan housing 3, a clamping groove 43 is formed in one end of the motor body 1 close to the fan housing 3, a limiting cavity 44 is formed between the end parts of the two arc-shaped connecting parts 42, the limiting part 41 is suitable for adjusting the width of the limiting cavity 44, the limiting part 41 comprises two limiting blocks 411, the limiting blocks 411 are horizontally and symmetrically arranged on the outer circle of the motor body 1, limiting grooves 412 are formed in the limiting blocks 411, the arc-shaped connecting parts 42 comprise arc-shaped strips 421 and clamping blocks 422 respectively connected to the two ends of the arc-shaped strips, an arc-shaped elastic pressing strip 423 matched with the clamping groove 43 is connected to the inner side of the arc-shaped strips 421, elastic blocks 424 are connected to the outer side of the arc-shaped strips, and an accommodating opening 425 matched with the limiting blocks 411 is formed in one end of the fan housing 3; the arc-shaped elastic pressing strip 423 is made of aluminum alloy with a hollow structure, meanwhile, the cross section of the elastic block 424 is of a C-shaped structure, when the fan housing 3 needs to be installed, the open end of the fan housing 3 is sleeved at one end of the motor body 1, the fixture block 422 is pressed at the same time, the distance between the limiting cavities 44 is reduced, the elastic block 424 is moved into the limiting groove 412, the arc-shaped elastic pressing strip 423 is fixed in the clamping groove 43 under the mutual pressure of the elastic block 424 and the fan housing 3, the clamping groove 43 and the arc-shaped elastic pressing strip 423 are mutually extruded, the distance between the limiting cavities 44 is enlarged and limited in the limiting groove 412, the fan housing 3 is fixedly assembled, the motor body 1 is prevented from vibrating to shake the fan housing 3 under the action of the limiting block 411, when the fan housing 3 needs to be disassembled for cleaning or maintenance, the fixture block 422 is pressed, and the gap space between the arc-shaped strip 421 and the heat dissipation shell 5 is gradually reduced, so that the fixture blocks 422 are mutually attached and are moved along the limiting groove 412, and the fan housing 3 is disassembled, so that workers can conveniently maintain and repair and maintain, and the permanent magnet synchronous motor, and the efficiency is improved.

The inner side of the clamping groove 43 is connected with a gasket 45; when the arc-shaped elastic pressing strip 423 is installed in the clamping groove 43, the arc-shaped elastic pressing strip 423 is in full contact with the gasket 45 under the pressure of the elastic block 424, so that the tightness of the arc-shaped elastic pressing strip 423 is improved, and noise is prevented from being generated by the arc-shaped elastic pressing strip 423 when the motor body 1 vibrates.

A heat dissipation shell 5 is installed on the outer circle of the motor body 1, the heat dissipation shell 5 is connected with the connecting assembly 40, a plurality of heat dissipation fins 6 are arranged on the heat dissipation shell 5 at intervals, one ends of the heat dissipation fins 6 are connected with the motor body 1, a plurality of heat dissipation channels 7 are formed among the heat dissipation fins 6, a heat dissipation port 8 matched with the heat dissipation channels 7 is formed in one end, away from the fan cover 3, of the heat dissipation shell 5, and a sealing ring 46 is connected to the right side of the arc-shaped connecting piece 42; when the motor body 1 operates, the fan 2 is synchronously driven to rotate, so that external air conditioning enters and is matched with the radiating fins 6, the heat of the motor body 1 is reduced, meanwhile, the air conditioning is prevented from overflowing along the accommodating port 425 under the action of the sealing ring 46, the pressure in the fan cover 3 is improved, the air conditioning fully dissipates heat along the heat dissipation channel 7, and the heat dissipation performance of the permanent magnet synchronous motor is further improved.

The implementation principle of the embodiment is as follows: when installing fan housing 3, press fixture block 422, move it to limiting groove 412 in, elastic block 424 extrudees arc elastic pressing strip 423 simultaneously, make it fully contact with packing ring 45, thereby improve the compactness of arc connecting piece 42, when fan housing 3 is demolishd to needs, press fixture block 422, make it remove along limiting groove 412, thereby demolish fan housing 3, so that the staff overhauls and maintains, improve PMSM's dismouting efficiency and maintenance efficiency simultaneously, motor body 1 is when the function, motor body 1 drives fan 2 and rotates, make external air conditioning get into heat dissipation channel 7 and dispel the heat, and cooperate fin 6 to improve PMSM's heat dispersion.

The above only do the embodiment of the utility model discloses a not consequently restriction the patent scope of the utility model, all utilize the equivalent structure or the equivalent flow transform that the content of the specification was done, or direct or indirect application in other relevant technical field, all including on the same reason the utility model discloses an in the patent protection scope.

Claims

1. A permanent magnet synchronous motor with an easily detachable fan cover comprises: the fan comprises a motor body (1), a fan (2) and a fan cover (3) which is detachably connected to one end of the motor body (1), and is characterized by further comprising a connecting assembly (40);

the connecting assembly (40) comprises a limiting piece (41) and two arc-shaped connecting pieces (42) which are installed on the inner side of the fan cover (3) and arranged oppositely, a clamping groove (43) is formed in one end, close to the fan cover (3), of the motor body (1), a limiting cavity (44) is formed between the end portions of the two arc-shaped connecting pieces (42), and the limiting piece (41) is suitable for adjusting the width of the limiting cavity (44);

the locating part (41) includes two stopper (411), stopper (411) horizontal symmetry sets up on motor body (1) excircle, spacing groove (412) have all been seted up on stopper (411), arc connecting piece (42) include arc strip (421) and connect fixture block (422) at its both ends respectively, the inboard of arc strip (421) be connected with draw-in groove (43) assorted arc bullet layering (423).

2. The permanent magnet synchronous motor with the easily detachable fan cover is characterized in that an elastic block (424) is connected to the outer side of the arc-shaped strip (421), and an accommodating opening (425) matched with the limiting block (411) is formed in one end of the fan cover (3).

3. The permanent magnet synchronous motor with the wind cover easy to detach is characterized in that a heat dissipation shell (5) is installed on the outer circle of the motor body (1), the heat dissipation shell (5) is connected with the connecting assembly (40), a plurality of cooling fins (6) are arranged on the heat dissipation shell (5) at intervals, and one ends of the cooling fins (6) are connected with the motor body (1).

4. The PMSM easy to disassemble the fan housing according to claim 3, characterized in that a plurality of heat dissipation channels (7) are formed between the heat dissipation fins (6), and a heat dissipation port (8) matched with the heat dissipation channels (7) is formed at one end of the heat dissipation shell (5) far away from the fan housing (3).

5. The permanent magnet synchronous motor with the easily detachable fan housing is characterized in that a gasket (45) is connected to the inner side of the clamping groove (43).

6. The PMSM easy to disassemble with a fan housing as claimed in claim 1, wherein a sealing ring (46) is connected to the right side of the arc-shaped connecting piece (42).