CN215378661U

CN215378661U - Aluminum motor shell with noise reduction device

Info

Publication number: CN215378661U
Application number: CN202121217724.3U
Authority: CN
Inventors: 陆建君; 徐飞; 刘江
Original assignee: Jingjiang Hetai Motor Parts Manufacturing Co ltd
Current assignee: Jingjiang Hetai Motor Parts Manufacturing Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-12-31
Anticipated expiration: 2031-06-02

Abstract

The utility model discloses an aluminum motor shell with a noise reduction device, which comprises a shell, wherein one side of the shell is provided with a groove, sound absorption cotton is inserted into the groove, an installation ring is arranged at the opening of the groove, one side of the installation ring is provided with a limiting block, the inner side of the shell is provided with a buffer assembly, the buffer assembly comprises a fixed shaft, the inner side, far away from the shell, of the fixed shaft is provided with a stop block, the fixed shaft is sleeved with a support ring, a spring is arranged between the support ring and the inner side of the shell, one side of the support ring is provided with guide rods, and one side of each of the two guide rods penetrates through the stop block and is provided with a support plate; has the advantages that: according to the utility model, the sound absorption cotton is inserted into the groove, so that sound absorption treatment of the sound absorption cotton on collision between the motor and the aluminum motor shell during working is realized, in addition, the buffer effect of the buffer assembly is used for collision noise reduction treatment of the motor and the aluminum motor shell during working, under the double noise reduction effect of the sound absorption cotton and the buffer assembly, the damage to the aluminum motor shell is reduced, and the service life of the aluminum motor shell is ensured.

Description

Aluminum motor shell with noise reduction device

Technical Field

The utility model relates to the technical field of motor housings, in particular to an aluminum motor housing with a noise reduction device.

Background

At present, most motor casings are made of cast iron, and the cast iron has the defects of heavy weight, unsatisfactory heat conduction performance, light weight of aluminum and good heat conduction performance. The motor shell with the radiating fins is cast by aluminum, so that the motor can be better radiated.

When the conventional aluminum motor shell is used, because the noise reduction treatment is not carried out, when the motor works, noise and vibration force are easily generated, the working environment of a user is reduced, and meanwhile, the damage of the aluminum motor shell is accelerated, so that the service life of the aluminum motor shell is shortened.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an aluminum motor case with a noise reduction device to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an aluminium motor shell with device of making an uproar falls, includes the casing, one side of casing is seted up flutedly, it inhales the sound cotton to peg graft on the recess, the opening part of recess is provided with the collar, one side of collar is provided with the stopper, the inboard of casing is provided with the buffering subassembly, the buffering subassembly includes the fixed axle, the inboard of keeping away from the casing on the fixed axle just is provided with the dog, the support ring has been cup jointed on the fixed axle, be provided with the spring between the inboard of support ring and casing, one side of support ring is provided with guide bar, two one side of guide bar runs through the dog and is provided with the backup pad.

Preferably, the recess is provided with a plurality ofly, and a plurality of recesses are the circumference around the casing and distribute, match and one-to-one between stopper and the recess.

Preferably, a sealing pad groove is formed in the limiting block, a sealing ring is clamped on the sealing pad groove, and the mounting ring is fixed on one side of the shell through a screw.

Preferably, the buffering component is arranged between the two grooves, the fixing shafts are arranged in a plurality of numbers, and the fixing shafts are circumferentially distributed around the inner side of the shell and are arranged and distributed along the inner side of the shell.

Preferably, the support ring is slidably connected with the fixed shaft, the spring is sleeved on the fixed shaft, and the support plate is of an arc-shaped plate structure.

Preferably, the surface of the supporting plate is provided with a buffer gasket, and the buffer gasket is of a rubber layer structure.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the sound-absorbing cotton is inserted into the groove, and through the fixed installation of the installation ring and the limiting block, when the motor collides with the aluminum motor shell during working, the sealing ring is stressed and deformed, and the gap between the limiting block and the shell is filled, so that the sealing performance between the limiting block and the shell is increased, the probability of noise leakage from the gap between the limiting block and the shell is reduced, the sound-absorbing treatment of the sound-absorbing cotton on the collision of the motor and the aluminum motor shell during working is realized, in addition, the noise reduction treatment of the buffering assembly on the collision of the motor and the aluminum motor shell is realized, the damage of the aluminum motor shell is reduced under the double noise reduction effects of the sound-absorbing cotton and the buffering assembly, and the service life of the aluminum motor shell is ensured.

Drawings

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

FIG. 2 is a schematic view of a cushion assembly according to the present invention;

fig. 3 is an exploded view of the mounting ring of the present invention.

In the figure: a housing 1; a groove 2; sound absorption cotton 3; a mounting ring 4; a limiting block 5; a gasket groove 51; a seal ring 52; a buffer assembly 6; a fixed shaft 61; a stopper 62; a support ring 63; a spring 64; a guide rod 65; a support plate 66; a buffer washer 67.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: an aluminum motor shell with a noise reduction device comprises a shell 1, one side of the shell 1 is provided with a plurality of grooves 2, the plurality of grooves 2 are distributed circumferentially around the shell 1, the grooves 2 are of a circular arc-shaped notch structure, sound absorption cotton 3 is inserted into the grooves 2, an installation ring 4 is arranged at the opening of each groove 2, one side of each installation ring 4 is welded with a limiting block 5, the limiting blocks 5 and the grooves 2 are matched and in one-to-one correspondence, the limiting blocks 5 are provided with sealing pad grooves 51, the sealing pad grooves 51 are clamped with sealing rings 52, the sound absorption cotton 3 is inserted into the grooves 2, the sealing rings 52 are clamped on the sealing pad grooves 51, the limiting blocks 5 are inserted into the grooves 2 by holding the installation rings 4, the installation rings 4 are fixed on one side of the shell 1 through screws, limiting installation of the sound absorption cotton 3 is realized, and meanwhile, when a motor collides with the aluminum motor shell during working, the sealing ring 52 is deformed under stress, and fills the gap between the limiting block 5 and the shell 1, which is beneficial to increasing the sealing performance between the limiting block and the shell, so that the probability of noise leakage from the gap between the limiting block and the shell is reduced.

The buffer component 6 is arranged on the inner side of the shell 1, the buffer component 6 is arranged between the two grooves 2 to ensure the strength of the shell 1, the buffer component 6 comprises a plurality of fixing shafts 61, the fixing shafts 61 are distributed in a circumferential manner around the inner side of the shell 1 and are arranged and distributed along the inner side of the shell 1, the fixing shafts 61 are far away from the inner side of the shell 1 and are welded with stop blocks 62, supporting rings 63 are sleeved on the fixing shafts 61, springs 64 are fixedly connected between the supporting rings 63 and the inner side of the shell 1, the supporting rings 63 are in sliding connection with the fixing shafts 61, the springs 64 are sleeved on the fixing shafts 61, guide rods 65 are welded on one sides of the supporting rings 63, one sides of the two guide rods 65 penetrate through the stop blocks 62 and are welded with supporting plates 66, so that the supporting rings 63 can move on the fixing shafts 61 back and forth to have a guiding effect, and the supporting plates 66 are of arc-shaped plate structures, the surface bonding of backup pad 66 has buffer pad 67, buffer pad 67 is the rubber layer structure, when colliding with the aluminium motor casing through the motor at work, contact between buffer pad 67 and the motor, because buffer pad 67 is the rubber layer structure, the sound of colliding with the aluminium motor casing has been reduced, spring 64 is compressed simultaneously, under spring 64's the spring action, make the round trip removal of support ring 63 on fixed axle 61, and then obtained the cushioning effect, thereby realize the noise reduction processing of motor at work and aluminium motor casing collision.

The working principle is as follows: in practical use, the sound-absorbing cotton 3 is inserted in the groove 2, the sealing ring 52 is clamped on the sealing pad groove 51, the mounting ring 4 is held by hands to insert the limiting block 5 in the groove 2, the mounting ring 4 is fixed on one side of the shell 1 through screws, the limiting installation of the sound-absorbing cotton 3 is realized, meanwhile, when the motor collides with the aluminum motor shell in work, the sealing ring 52 is stressed and deformed to fill the gap between the limiting block 5 and the shell 1, which is beneficial to increasing the sealing performance between the limiting block 5 and the shell 1, thereby reducing the probability of noise leakage from the gap between the limiting block and the shell, when the motor collides with the aluminum motor shell in work, the buffer gasket 67 contacts with the motor, because the buffer gasket 67 is of a rubber layer structure, the sound of collision with the aluminum motor shell is reduced, meanwhile, the spring 64 is compressed, under the elastic force of the spring 64, the support ring 63 moves back and forth on the fixed shaft 61, and then obtained buffering effect to the realization is to the motor at the work with the processing of making an uproar that falls of aluminium motor casing collision, under the dual noise reduction effect of inhaling sound cotton 3 and buffer assembly 6, has slowed down the damage of aluminium motor casing, guarantees the life of aluminium motor casing.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an aluminium motor shell with noise reduction device, includes casing (1), its characterized in that: one side of casing (1) is seted up flutedly (2), it inhales sound cotton (3) to peg graft on recess (2), the opening part of recess (2) is provided with collar (4), one side of collar (4) is provided with stopper (5), the inboard of casing (1) is provided with buffering subassembly (6), buffering subassembly (6) are including fixed axle (61), keep away from the inboard of casing (1) on fixed axle (61) and be provided with dog (62), support ring (63) have been cup jointed on fixed axle (61), be provided with spring (64) between the inboard of support ring (63) and casing (1), one side of support ring (63) is provided with guide bar (65), two dog (62) are run through and are provided with backup pad (66) to one side of guide bar (65).

2. The aluminum motor case with the noise reduction device as recited in claim 1, wherein: recess (2) are provided with a plurality ofly, and a plurality of recesses (2) are the circumference around casing (1) and distribute, match and one-to-one between stopper (5) and recess (2).

3. The aluminum motor case with the noise reduction device as recited in claim 1, wherein: the sealing pad groove (51) is formed in the limiting block (5), the sealing pad groove (51) is connected with a sealing ring (52) in a clamping mode, and the mounting ring (4) is fixed to one side of the shell (1) through screws.

4. The aluminum motor case with the noise reduction device as recited in claim 1, wherein: buffering subassembly (6) set up to be located between two recess (2), fixed axle (61) are provided with a plurality ofly, and a plurality of fixed axles (61) are the circumference around the inboard of casing (1) and distribute, and arrange along the inboard of casing (1).

5. The aluminum motor case with the noise reduction device as recited in claim 1, wherein: the support ring (63) is connected with the fixed shaft (61) in a sliding mode, the spring (64) is sleeved on the fixed shaft (61), and the support plate (66) is of an arc-shaped plate-shaped structure.

6. The aluminum motor case with the noise reduction device as recited in claim 1, wherein: the surface of the supporting plate (66) is provided with a buffer gasket (67), and the buffer gasket (67) is of a rubber layer structure.