CN208489743U

CN208489743U - A kind of motor noise-reducing casing

Info

Publication number: CN208489743U
Application number: CN201820949414.2U
Authority: CN
Inventors: 张卫东
Original assignee: Nanjing Controlled Special Electric Machinery Co Ltd
Current assignee: Nanjing Controlled Special Electric Machinery Co Ltd
Priority date: 2018-06-20
Filing date: 2018-06-20
Publication date: 2019-02-12
Anticipated expiration: 2028-06-20

Abstract

The utility model relates to motor housing technical fields, more particularly to a kind of motor noise-reducing casing, including first shell, second shell and noise elimination mechanism, the bottom of first shell is fixedly installed support base, first shell and second shell are rectangular parallelepiped structure, and the front surface of the two is provided with opening, second shell is fixed on the intracorporal surface of first shell, sound-absorption hole is provided on the inner wall of first shell and second shell, suction hole is provided on the inner wall of first shell and second shell, the acoustical cotton being arranged between cooperation first shell and second shell, largely the noise that motor generates can be absorbed；Heat-conducting plate is through first shell and extension is connected in the inner cavity of second shell, and heat-conducting plate is made of metallic aluminium, and silencer is connected at the top of heat-conducting plate, noise not only can be absorbed, and can conduct the heat on motor housing surface, cools down to motor.

Description

A kind of motor noise-reducing casing

Technical field

The utility model relates to motor housing technical fields, and in particular to a kind of motor noise-reducing casing.

Background technique

In the power producer that motor is most of machinery, very important effect, motor are played in various mechanism drivings Industry is the important component of machinery industry again, is had great importance in national economy.

Noise of motor Producing reason mainly has noise caused by the imbalance of rotor, noise caused by bearing and machinery to add Noise caused by work factor, for example, the machining accuracies such as casing, stator, rotor, shaft are more coarse, in final assembly, these Factor may result in the superposition of mechanicalness noise factor so that the increase of motor noise, current motor case common configuration compared with To be simple, can not preferably carry out noise reduction, influence using.

Utility model content

In view of the deficiencies of the prior art, the utility model discloses a kind of motor noise-reducing casings, for solving current electricity Machine casing common configuration is relatively simple, can not preferably carry out noise reduction, influence using the problems such as；The utility model passes through following skill Art scheme is achieved:

The bottom of a kind of motor noise-reducing casing, including first shell, second shell and noise elimination mechanism, the first shell is solid Surely it is provided with support base, the first shell and the second shell are rectangular parallelepiped structure, and the front surface of the two is all provided with It is equipped with opening, the second shell is fixed on the intracorporal surface of the first shell, the first shell and described second Sound-absorption hole is provided on the inner wall of shell；

The noise elimination mechanism includes heat-conducting plate and silencer, and the heat-conducting plate runs through the upper surface of the first shell, and Extend and be connected to the outer surface of the second shell, the inside of the heat-conducting plate is hollow structure, and the inner cavity of heat-conducting plate and institute The inner cavity for stating second shell is connected, and the inner cavity of the heat-conducting plate is connected with the inner cavity of the silencer；

Acoustical cotton is further fixedly arranged between the first shell and the second shell.

Preferably, the first shell is made of metallic aluminium.

Preferably, the second shell is made of gypsum.

Preferably, the sound-absorption hole is evenly distributed on the inner wall of the first shell and the second shell.

Preferably, the heat-conducting plate is made of metallic aluminium.

Preferably, the MSLE-01 of the pneumatic company of model martial prowess of the silencer.

The utility model has the following beneficial effects:

It is provided with suction hole on the inner wall of first shell and second shell, cooperates and is set between first shell and second shell The acoustical cotton set can largely absorb the noise that motor generates；Heat-conducting plate is through first shell and extends company It is connected in the inner cavity of second shell, heat-conducting plate is made of metallic aluminium, and silencer is connected at the top of heat-conducting plate, can not only inhale Noise is received, and the heat on motor housing surface can be conducted, is cooled down to motor.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the perspective view of the utility model；

Fig. 2 is the cross-sectional view of the utility model；

In figure: 1, first shell；2, second shell；3, noise elimination mechanism；301, heat-conducting plate；302, silencer；4, it is open；5, Sound-absorption hole；6, acoustical cotton；7, support base.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to The range of the utility model protection.

The bottom of a kind of motor noise-reducing casing, including first shell 1, second shell 2 and noise elimination mechanism 3, first shell 1 is solid Surely it is provided with support base 7, first shell 1 and second shell 2 are rectangular parallelepiped structure, and the front surface of the two is provided with out Mouth 4, second shell 2 is fixed on the surface in first shell 1, is respectively provided on first shell 1 and the inner wall of second shell 2 There is sound-absorption hole 5；

Noise elimination mechanism 3 includes heat-conducting plate 301 and silencer 302, and heat-conducting plate 301 runs through the upper surface of first shell 1, and prolongs Stretch the outer surface for being connected to second shell 2, the inside of heat-conducting plate 301 is hollow structure, and the inner cavity of heat-conducting plate 301 and second shell The inner cavity of body 2 is connected, and the inner cavity of heat-conducting plate 301 is connected with the inner cavity of silencer 302；

Acoustical cotton 6 is further fixedly arranged between first shell 1 and second shell 2.

First shell 1 is made of metallic aluminium, and second shell 2 is made of gypsum, and sound-absorption hole 5 is evenly distributed in first shell 1 on the inner wall of second shell 2, and heat-conducting plate 301 is made of metallic aluminium, the pneumatic company of model martial prowess of silencer 302 MSLE-01。

When in use, it is provided with suction hole on the inner wall of first shell 1 and second shell 2, cooperates first shell 1 and the The acoustical cotton 6 being arranged between two shells 2 can largely absorb the noise that motor generates.

Heat-conducting plate 301 is through first shell 1 and extension is connected in the inner cavity of second shell 2, and heat-conducting plate 301 is by metallic aluminium It being made, the top of heat-conducting plate 301 is connected with silencer 302, and the inner cavity of heat-conducting plate 301 is connected with the inner cavity of first shell 1, Noise not only can be absorbed, and the heat on motor housing surface can be conducted, cool down to motor, the utility model structure letter Single, noise reduction effect is preferable, and framework is simple, is simple to manufacture.

Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to aforementioned reality Example is applied the utility model is described in detail, those skilled in the art should understand that: it still can be to preceding Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these It modifies or replaces, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution It encloses.

Claims

1. a kind of motor noise-reducing casing, including first shell (1), second shell (2) and noise elimination mechanism (3), it is characterised in that: institute The bottom for stating first shell (1) is fixedly installed support base (7), and the first shell (1) is with the second shell (2) Rectangular parallelepiped structure, and the front surface of the two is provided with opening (4), the second shell (2) is fixed at the first shell On surface in body (1), sound-absorption hole (5) are provided on the inner wall of the first shell (1) and the second shell (2)；

The noise elimination mechanism (3) includes heat-conducting plate (301) and silencer (302), and the heat-conducting plate (301) runs through the first shell The upper surface of body (1), and extend the outer surface for being connected to the second shell (2), the inside of the heat-conducting plate (301) is hollow Structure, and the inner cavity of heat-conducting plate (301) is connected with the inner cavity of the second shell (2), the inner cavity of the heat-conducting plate (301) with The inner cavity of the silencer (302) is connected；

Acoustical cotton (6) are further fixedly arranged between the first shell (1) and the second shell (2).

2. a kind of motor noise-reducing casing according to claim 1, it is characterised in that: the first shell (1) is by metallic aluminium It is made.

3. a kind of motor noise-reducing casing according to claim 1, it is characterised in that: the second shell (2) is by gypsum system At.

4. a kind of motor noise-reducing casing according to claim 1, it is characterised in that: the sound-absorption hole (5) is evenly distributed On the inner wall of the first shell (1) and the second shell (2).

5. a kind of motor noise-reducing casing according to claim 1, it is characterised in that: the heat-conducting plate (301) is by metallic aluminium It is made.

6. a kind of motor noise-reducing casing according to claim 1, it is characterised in that: the model of the silencer (302) The MSLE-01 of the pneumatic company of martial prowess.