CN209994242U

CN209994242U - Motor capable of reducing working noise of motor

Info

Publication number: CN209994242U
Application number: CN201920877647.0U
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 can reduce motor operational noise's motor, including L type support, casing, pivot, rotor and stator winding, the top of L type support and the bottom fixed connection of casing, the inside of rotor is connected with the fixed surface of pivot, and the inner wall of casing is connected with the fixed surface of stator winding, and bolt fixedly connected with fan housing is passed through to one side of casing, and the one end of pivot runs through the casing and extends to the inner chamber of fan housing, the utility model relates to the technical field of electric machines. This can reduce motor operational noise's motor, the inside that prevents that the dust from entering into casing and fan housing that can be fine has just reduced the dust and has piled up on the flabellum, great reduction the noise that the flabellum during operation produced, and also reduced the dust and entered into the gap between pivot and the flabellum, the person of facilitating the use changes the filter, can carry out certain alleviating to the noise that the rotor produced, and can reduce the noise between support and the mount pad.

Description

Motor capable of reducing working noise of motor

Technical Field

The utility model relates to the technical field of electric machines, specifically be a can reduce motor operational noise's motor.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law. The letter M (old standard is D) is used in the circuit, the main function of the generator is to generate driving torque as a power source of electrical appliances or various machines, the letter G is used in the circuit, the main function of the generator is to convert mechanical energy into electric energy, the most common use at present is to utilize heat energy, water energy and the like to drive a rotor of the generator to generate electricity, and the generator is divided into the following types according to the types of working power sources: can be divided into a direct current motor and an alternating current motor, wherein the alternating current motor can also be divided into: single-phase motor and three-phase motor, the motor can produce very big noise at work generally, has caused very big noise pollution to the environment, and some parts also produce the noise easily after becoming flexible, has reduced the life of motor to a certain extent, and the noise of making an uproar of falling of current motor has been handled and has been obtained very well, but still has following problem.

1. The heat radiation structure of some motors is fixed with the flabellum through the pivot and reaches at casing surface mounting fin, and the dust enters into the casing easily after long-term the use, and then piles up on the flabellum, has increased the noise of motor during operation like this, and also can increase the noise of motor during operation after the dust enters into the gap between flabellum and the pivot.

2. The rotor inside the motor can generate certain vibration when rotating, the noises can be diffused to the outside through the shell, and the bracket at the bottom of the motor is easy to vibrate with the mounting seat after being mounted to generate noises.

Therefore, the problems that the noise of the internal fan blades is too high and the noise of the shell cannot be reduced when the motor works are urgently needed to be solved, and the noise pollution of the environment is reduced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a can reduce motor operational noise's motor has solved the too big and casing of motor during operation inside flabellum noise problem that can not the noise reduction.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a motor capable of reducing working noise of the motor comprises an L-shaped support, a shell, a rotating shaft, a rotor and a stator winding, wherein the top of the L-shaped support is fixedly connected with the bottom of the shell, the inside of the rotor is fixedly connected with the surface of the rotating shaft, the inner wall of the shell is fixedly connected with the surface of the stator winding, one side of the shell is fixedly connected with a fan cover through bolts, one end of the rotating shaft penetrates through the shell and extends to the inner cavity of the fan cover, one end of the rotating shaft extending to the inner cavity of the fan cover is fixedly connected with fan blades, one side of the inner wall of the fan cover is communicated with an air inlet cylinder, a fixed rod is arranged inside the air inlet cylinder, the surface of the fixed rod is fixedly connected with a separation sheet, the surface of the separation sheet is fixedly connected with the inner wall of the air inlet cylinder, a sealing ring and a filter, and the draw-in groove has been seted up to the inside of card case, one side fixedly connected with fixed case on air inlet cylinder surface, the equal fixedly connected with reset spring in top and the bottom on fixed incasement chamber surface to reset spring's one end fixedly connected with clamp plate, the top and the bottom on clamp plate surface are fixedly connected with fixture block and depression bar respectively, the one end that the clamp plate was kept away from to the fixture block and the one end that the clamp plate was kept away from to the depression bar all run through fixed case and extend to the surface of fixed case, the one end that the fixture block extended to fixed case surface contacts with the inner wall of draw-in.

Preferably, one side of the sealing ring is in contact with one side of the air inlet cylinder, and the other side of the sealing ring is in contact with one side of the filter plate.

Preferably, soundproof cotton is fixedly connected to the inner wall of the housing and outside the stator winding.

Preferably, the other end of the rotating shaft penetrates through the housing and extends to one side of the housing, and the surface of the rotating shaft is rotatably connected with the inside of the housing through a bearing.

Preferably, the number of the L-shaped brackets is two, and a reinforcing rib is fixedly connected between the two L-shaped brackets.

Preferably, the bottom of the L-shaped support is fixedly connected with a rubber pad, and a mounting hole is formed in the L-shaped support.

Advantageous effects

The utility model provides a can reduce motor operational noise's motor. Compared with the prior art, the method has the following beneficial effects:

(1) the motor capable of reducing the working noise of the motor is characterized in that an air inlet cylinder is communicated with one side of the inner wall of a fan cover, a fixed rod is arranged inside the air inlet cylinder, a separating sheet is fixedly connected to the surface of the fixed rod, the surface of the separating sheet is fixedly connected with the inner wall of the air inlet cylinder, a sealing ring and a filter plate are sequentially arranged on one side of the air inlet cylinder from left to right, a clamping box is fixedly connected to the surface of the filter plate, a clamping groove is formed in the clamping box, a fixing box is fixedly connected to one side of the surface of the air inlet cylinder, a reset spring is fixedly connected to the top and the bottom of the surface of an inner cavity of the fixing box, a pressing plate is fixedly connected to one end of the reset spring, a clamping block and a pressing rod are fixedly connected to the top and the bottom of the surface of the pressing plate respectively, one end of the clamping block, the inside that prevents that the dust from entering into casing and fan housing that can be fine has just reduced the dust and has piled up on the flabellum, great reduction the noise that the flabellum during operation produced, and also reduced the dust and entered into the gap between pivot and the flabellum, and convenient to use person changes the filter, has guaranteed the filterable effect of dust, and the practicality is strong.

(2) This can reduce motor operational noise's motor, the outside fixedly connected with soundproof cotton that just is located stator winding through the inner wall of casing, the other end of pivot runs through the casing and extends to one side of casing, and rotate through the bearing between the surface of pivot and the inside of casing and be connected, the quantity of L type support is two, and fixedly connected with strengthening rib between two L type supports, the bottom fixedly connected with rubber pad of L type support, and the mounting hole has been seted up to the inside of L type support, can carry out certain alleviating to the noise that the rotor produced, and can reduce the noise between support and the mount pad.

Drawings

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

fig. 2 is a sectional view of the housing structure of the present invention;

FIG. 3 is a perspective view of the air inlet barrel, the sealing ring and the filter plate structure of the present invention;

FIG. 4 is a cross-sectional view of the internal structure of the fixing box and the card box of the present invention;

fig. 5 is a perspective view of the L-shaped bracket structure of the present invention.

In the figure: the air inlet structure comprises a 1L-shaped support, a 2 casing, a 3 rotating shaft, a 4 rotor, a 5 stator winding, a 6 fan cover, 7 fan blades, a 8 air inlet cylinder, a 9 fixed rod, a 10 separating sheet, a 11 sealing ring, a 12 filtering plate, a 13 clamping box, a 14 clamping groove, a 15 fixed box, a 16 reset spring, a 17 pressing plate, a 18 clamping block, a 19 pressing rod, 20 soundproof cotton, 21 reinforcing ribs, 22 rubber pads and 23 mounting 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. 1-5, the present invention provides a technical solution: a motor capable of reducing working noise of the motor comprises an L-shaped support 1, a shell 2, a rotating shaft 3, a rotor 4 and a stator winding 5, wherein the top of the L-shaped support 1 is fixedly connected with the bottom of the shell 2, the inside of the rotor 4 is fixedly connected with the surface of the rotating shaft 3, the inner wall of the shell 2 is fixedly connected with the surface of the stator winding 5, one side of the shell 2 is fixedly connected with a fan cover 6 through bolts, one end of the rotating shaft 3 penetrates through the shell 2 and extends to the inner cavity of the fan cover 6, one end of the rotating shaft 3 extending to the inner cavity of the fan cover 6 is fixedly connected with a fan blade 7, one side of the inner wall of the fan cover 6 is communicated with an air inlet cylinder 8, a fixed rod 9 is arranged inside the air inlet cylinder 8, the surface of the fixed rod 9 is fixedly connected with a separation sheet 10, the surface of the separation sheet 10 is fixedly connected with the, one side of a sealing ring 11 is contacted with one side of an air inlet cylinder 8, the other side of the sealing ring 11 is contacted with one side of a filter plate 12, soundproof cotton 20 is fixedly connected to the inner wall of the shell 2 and positioned outside the stator winding 5, the other end of the rotating shaft 3 penetrates through the shell 2 and extends to one side of the shell 2, the surface of the rotating shaft 3 is rotatably connected with the inside of the shell 2 through a bearing, the number of the L-shaped supports 1 is two, reinforcing ribs 21 are fixedly connected between the two L-shaped supports 1, a rubber pad 22 is fixedly connected to the bottom of each L-shaped support 1, mounting holes 23 are formed inside each L-shaped support 1, a clamping box 13 is fixedly connected to the surface of the filter plate 12, clamping grooves 14 are formed inside each clamping box 13, a fixing box 15 is fixedly connected to one side of the surface of the air inlet cylinder 8, and return springs 16 are fixedly, and the one end fixedly connected with clamp plate 17 of reset spring 16, the top and the bottom on clamp plate 17 surface are fixedly connected with fixture block 18 and depression bar 19 respectively, the one end that the clamp block 18 kept away from clamp plate 17 and the one end that depression bar 19 kept away from clamp plate 17 all run through fixed case 15 and extend to the surface of fixed case 15, the one end that fixture block 18 extended to fixed case 15 surface contacts with the inner wall of draw-in groove 14.

When the fan is in operation, the rotating shaft 3 rotates in the casing 2, and then the fan blades 7 are driven to rotate, at this time, outside air enters the air inlet cylinder 8 through one side of the casing 2, then passes through the air channel formed by the partition plate 10 and the air inlet cylinder 8, the air passing through the air channel enters the fan housing 6 after being filtered by the filter plate 12, so that dust in the outside air can be well prevented from entering the fan housing 6, noise generated by friction between the dust and the fan blades 7 can be reduced, the dust can also be reduced from entering a gap between the fan 7 and the rotating shaft 3, noise generated when the rotor 5 rotates in the casing 2 can be absorbed by the soundproof cotton 20, when the filter plate 12 needs to be replaced or cleaned, at this time, a user can firstly loosen bolts between the fan housing 6 and the casing 2, and then press the pressure lever 19 towards the inside of the fixed box 15, the pressing rod 19 drives the pressing plate 17 to move after being pressed, so that the fixture block 18 is driven to move, when the fixture block 18 moves out of the clamping groove 14 and enters the fixing box 15, the user can draw the top of the fixing box 15 out of the clamping box 13, and the user can separate the filter plate 12 from the air inlet cylinder 8 and replace the filter plate 12.

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 can reduce motor operational noise's motor, includes L type support (1), casing (2), pivot (3), rotor (4) and stator winding (5), the top of L type support (1) and the bottom fixed connection of casing (2), the inside of rotor (4) and the fixed surface of pivot (3) are connected, the inner wall of casing (2) and the fixed surface of stator winding (5) are connected, its characterized in that: one side of the shell (2) is fixedly connected with a fan cover (6) through a bolt, one end of the rotating shaft (3) penetrates through the shell (2) and extends to an inner cavity of the fan cover (6), one end of the rotating shaft (3) extends to an inner cavity of the fan cover (6) and is fixedly connected with a fan blade (7), one side of the inner wall of the fan cover (6) is communicated with an air inlet cylinder (8), a fixed rod (9) is arranged inside the air inlet cylinder (8), a separating sheet (10) is fixedly connected to the surface of the fixed rod (9), the surface of the separating sheet (10) is fixedly connected with the inner wall of the air inlet cylinder (8), a sealing ring (11) and a filtering plate (12) are sequentially arranged on one side of the air inlet cylinder (8) from left to right, a clamping box (13) is fixedly connected to the surface of the filtering plate (12), a clamping groove (14) is formed inside the clamping box (13), and a fixing, the top and the bottom of fixed case (15) inner chamber surface all fixedly connected with reset spring (16) to the one end fixedly connected with clamp plate (17) of reset spring (16), the top and the bottom on clamp plate (17) surface are fixedly connected with fixture block (18) and depression bar (19) respectively, the one end that clamp plate (17) were kept away from in fixture block (18) and the one end that clamp plate (17) were kept away from in depression bar (19) all run through fixed case (15) and extend to the surface of fixed case (15), fixture block (18) extend to the one end on fixed case (15) surface and the inner wall contact of draw-in groove (14).

2. The motor according to claim 1, wherein the motor is capable of reducing operational noise of the motor, and the motor further comprises: one side of the sealing ring (11) is in contact with one side of the air inlet cylinder (8), and the other side of the sealing ring (11) is in contact with one side of the filter plate (12).

3. The motor according to claim 1, wherein the motor is capable of reducing operational noise of the motor, and the motor further comprises: and the inner wall of the shell (2) is fixedly connected with soundproof cotton (20) outside the stator winding (5).

4. The motor according to claim 1, wherein the motor is capable of reducing operational noise of the motor, and the motor further comprises: the other end of the rotating shaft (3) penetrates through the shell (2) and extends to one side of the shell (2), and the surface of the rotating shaft (3) is rotatably connected with the inside of the shell (2) through a bearing.

5. The motor according to claim 1, wherein the motor is capable of reducing operational noise of the motor, and the motor further comprises: the number of the L-shaped supports (1) is two, and a reinforcing rib (21) is fixedly connected between the two L-shaped supports (1).

6. The motor according to claim 1, wherein the motor is capable of reducing operational noise of the motor, and the motor further comprises: the bottom of the L-shaped support (1) is fixedly connected with a rubber pad (22), and a mounting hole (23) is formed in the L-shaped support (1).