CN214837407U - Noise reduction type fan volute - Google Patents

Abstract

The utility model discloses a type of making an uproar fan spiral case falls, which comprises a housin, the four corners of casing front end is provided with the outer housing through the bolt, the left side and the right side of outer housing all bond and inhale the sound cotton, the back of the body end of outer housing is provided with soundproof cotton, the inner chamber of outer housing vertically is provided with bent type steel sheet, the inner chamber of outer housing and the vertical fixedly connected with solid slab in front end that is located bent type steel sheet, the surface paste of outer housing has the reflection of light subsides. The utility model discloses a user starts fan spiral case work, and fan start produces vibration and sends the noise and spreads out with the air, makes the noise reduction when noise contact soundproof cotton reduces the decibel, pierces through the crooked type steel sheet of contact behind the soundproof cotton, has solved the effect that current fan spiral case does not have and falls and has fallen, and the noise of production causes the problem of pollution to the environment, has reduced the propagation of fan spiral case noise, has increased the silence nature of fan spiral case, has also improved the practicality of fan spiral case.

Description

Noise reduction type fan volute

Technical Field

The utility model relates to a fan spiral case technical field specifically is a type of making an uproar fan spiral case falls.

Background

The volute is a volute type diversion chamber for short, the shape of the volute is very similar to that of a snail shell, so the volute is usually called as the volute for short, and the fan volute is needed in a mechanical factory, but the existing fan volute does not have the function of noise reduction, the generated noise pollutes the environment, the noise transmission of the fan volute is increased, the silent performance of the fan volute is reduced, and the practicability of the fan volute is also reduced.

SUMMERY OF THE UTILITY MODEL

For solving the problem that provides among the above-mentioned background art, the utility model aims to provide a type of making an uproar fan spiral case falls possesses the good advantage of noise reduction effect, has solved current fan spiral case and has not had the effect of making an uproar of falling, and the noise of production causes the problem of pollution to the environment.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a type of making an uproar fan spiral case falls, includes the casing, the four corners of casing front end is provided with the encloser through the bolt, the left side and the right side of encloser all bond and inhale the sound cotton, the back end of encloser is provided with soundproof cotton, the inner chamber of encloser vertically is provided with bent type steel sheet, the inner chamber of encloser just is located the vertical fixedly connected with solid slab of front end of bent type steel sheet, the surface paste of encloser has the reflection of light subsides.

As the utility model discloses it is preferred, the top and the bottom of outer housing all are provided with the air intake, the length of air intake is less than the length of outer housing, the shape of air intake is the rectangle.

As the utility model discloses preferred, the surface spraying of housing has anticorrosive paint, anticorrosive paint's thickness is greater than two millimeters.

As the utility model discloses preferred, the top and the bottom of casing front end just are located the equal fixedly connected with damping pad in both sides of outer housing, the inboard of damping pad and the surface contact of outer housing.

As the utility model discloses preferred, crooked angle of bent shaped steel board is greater than forty degrees, bent shaped steel plate's thickness is greater than one centimetre.

As the utility model discloses preferred, the material of solid board is the aluminum alloy, the cross-sectional area of solid board equals the cross-sectional area of housing.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model is provided with a shell, an outer cover shell, sound-absorbing cotton, soundproof cotton, a curved steel plate, a solid plate and a reflecting sticker which are matched for use, start fan spiral case work through the user, the fan starts and produces vibration and send the noise to propagate out with the air, make the noise reduction when noise contact soundproof cotton reduces the decibel, pierce through the crooked type steel sheet of soundproof cotton back contact, crooked type steel sheet has solid and bending angle of thickness to make the sound contact kick-back and offset the noise each other and reduce the decibel, sound pierces through to the surface of solid slab at last because the material is that aluminum alloy and solid area loud noise are difficult to pierce through, reach the effect of making an uproar of falling, the effect of making an uproar is not fallen in the current fan spiral case of having solved, the noise of production causes the problem of pollution to the environment, the propagation of fan spiral case noise has been reduced, the silence nature of fan spiral case has been increased, the practicality of fan spiral case has also been improved.

2. The utility model discloses a setting of air intake can assist the outer housing to carry out work, plays the effect of admitting air simultaneously, has avoided the outer housing to be in sealed unable normal work that leads to the fan spiral case, influences work efficiency.

3. The utility model discloses a setting of anticorrosive paint can assist the outer housing to carry out work, plays corrosion-resistant effect simultaneously, has avoided the outer housing to appear the rusty phenomenon of oxidation in the air for a long time violently leak, also improves the corrosion-resistant effect of outer housing.

4. The utility model discloses a setting of damping pad can assist the outer housing to carry out work, plays fixed effect simultaneously, has avoided the outer housing to appear the phenomenon of rocking on the surface of fan spiral case, also improves the stability of outer housing.

5. The utility model discloses a bent angle of bent steel sheet is greater than the setting of forty degrees, can improve the effect that gives sound insulation, and it is unsatisfactory to have avoided bent steel sheet plane contact noise reduction effect, improves the different angle contact noise realization sound rebound of bent steel sheet.

6. The utility model discloses a material of solid slab is the setting of aluminum alloy, can assist the outer housing to carry out work, plays syllable-dividing effect simultaneously, has avoided the outer housing independent processing noise effect poor, improves the functionality of outer housing.

Drawings

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

FIG. 2 is a right side cross-sectional view of the outer casing structure of FIG. 1 according to the present invention;

fig. 3 is a perspective view of the outer housing structure of fig. 2 according to the present invention.

In the figure: 1. a housing; 2. an outer casing; 3. sound-absorbing cotton; 4. sound insulation cotton; 5. a curved steel plate; 6. a solid plate; 7. reflecting light; 8. an air inlet; 9. anticorrosive paint; 10. a damping pad.

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.

As shown in fig. 1 to 3, the utility model provides a pair of type of making an uproar fan spiral case falls, including casing 1, the four corners of casing 1 front end is provided with outer housing 2 through the bolt, and the left side and the right side of outer housing 2 all bond and inhale sound cotton 3, and the back end of outer housing 2 is provided with soundproof cotton 4, and the inner chamber of outer housing 2 vertically is provided with bent type steel sheet 5, and the inner chamber of outer housing 2 just is located the vertical fixedly connected with solid slab 6 of front end of bent type steel sheet 5, and the surface paste of outer housing 2 has reflection of light subsides 7.

Referring to fig. 2, the top and the bottom of the outer casing 2 are provided with air inlets 8, the length of the air inlets 8 is smaller than that of the outer casing 2, and the shape of the air inlets 8 is rectangular.

Adopt above-mentioned scheme: through the setting of air intake 8, can assist outer housing 2 to carry out work, play the effect of admitting air simultaneously, avoided outer housing 2 to be in sealed and lead to the unable normal work of fan spiral case, influence work efficiency.

Referring to fig. 1, the surface of the outer casing 2 is coated with an anti-corrosive paint 9, and the thickness of the anti-corrosive paint 9 is more than two millimeters.

Adopt above-mentioned scheme: through the setting of anticorrosive paint 9, can assist housing 2 to carry out work, play corrosion-resistant effect simultaneously, avoid housing 2 to appear the rusty phenomenon of oxidation in the air for a long time exposed to the sun, also improve the corrosion-resistant effect of housing 2.

Referring to fig. 1, damping pads 10 are fixedly connected to both sides of the outer cage 2 at the top and bottom of the front end of the housing 1, and the inner sides of the damping pads 10 are in contact with the surface of the outer cage 2.

Adopt above-mentioned scheme: through the setting of damping pad 10, can assist outer housing 2 to carry out work, play fixed effect simultaneously, avoid outer housing 2 to appear the phenomenon of rocking on the surface of fan spiral case, also improve outer housing 2's stability.

Referring to fig. 2, the bent angle of the curved steel plate 5 is greater than forty degrees, and the thickness of the curved steel plate 5 is greater than one centimeter.

Adopt above-mentioned scheme: the bending angle of the bent steel plate 5 is larger than the setting of forty degrees, so that the sound insulation effect can be improved, the noise reduction effect of the plane contact noise of the bent steel plate 5 is avoided being unsatisfactory, and the sound rebound is realized by improving the contact noise of the bent steel plate 5 at different angles.

Referring to fig. 2, the solid plate 6 is made of an aluminum alloy, and the cross-sectional area of the solid plate 6 is equal to that of the outer shroud shell 2.

Adopt above-mentioned scheme: the material through solid slab 6 is the setting of aluminum alloy, can assist housing 2 to carry out work, plays syllable-dividing effect simultaneously, has avoided housing 2 independent processing noise effect poor, improves housing 2's functionality.

The utility model discloses a theory of operation and use flow: when using, start fan spiral case work through the user, the fan starts and produces vibration and send the noise to propagate out with the air, make the noise reduction when noise contact soundproof cotton 4 reduces the decibel, pierce through the crooked shaped steel board 5 of contact behind the soundproof cotton 4, crooked shaped steel board 5 has solid and the bend angle of thickness to make the sound contact kick-back and offset the noise each other and reduce the decibel, sound penetrates to the surface of solid slab 6 at last and is difficult to penetrate because the material is aluminum alloy and solid area noise, reach the effect of making an uproar.

In summary, the following steps: this type of making an uproar fan spiral case falls, through casing 1, outer housing 2, inhale sound cotton 3, soundproof cotton 4, bent steel sheet 5, solid slab 6 and the cooperation of reflection of light subsides 7 are used, start fan spiral case work through the user, fan start produces the vibration and sends the noise propagation with the air, make the noise reduction when noise contact soundproof cotton 4 reduces the decibel, pierce through bent steel sheet 5 of contact behind the soundproof cotton 4, bent steel sheet 5 has solid and the bending angle of thickness to make sound contact resilience and the noise reduction decibel of offsetting each other, sound pierces through to solid slab 6's surface at last because the material is that aluminum alloy and solid area loud noise are difficult to pierce through, reach the effect of making an uproar of falling, the effect of making an uproar is not had to the current fan spiral case of having solved, the noise of production causes the problem of pollution to the environment.

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 (6)

1. A noise reduction type fan volute comprises a shell (1), and is characterized in that: the four corners of casing (1) front end is provided with encloser (2) through the bolt, the left side and the right side of encloser (2) all bond and inhale sound cotton (3), the back of the body end of encloser (2) is provided with soundproof cotton (4), the inner chamber of encloser (2) vertically is provided with bent type steel sheet (5), the inner chamber of encloser (2) just is located the vertical fixedly connected with solid slab (6) of front end of bent type steel sheet (5), the surface paste of encloser (2) has reflector (7).

2. The noise reducing fan volute of claim 1, wherein: the top and the bottom of the outer housing (2) are both provided with air inlets (8), the length of each air inlet (8) is smaller than that of the outer housing (2), and the air inlets (8) are rectangular.

3. The noise reducing fan volute of claim 1, wherein: the surface of the outer housing (2) is sprayed with an anti-corrosion paint (9), and the thickness of the anti-corrosion paint (9) is more than two millimeters.

4. The noise reducing fan volute of claim 1, wherein: the top and the bottom of casing (1) front end just are located the equal fixedly connected with damping pad (10) in both sides of encloser (2), the inboard surface contact with encloser (2) of damping pad (10).

5. The noise reducing fan volute of claim 1, wherein: the bending angle of the curved steel plate (5) is more than forty degrees, and the thickness of the curved steel plate (5) is more than one centimeter.

6. The noise reducing fan volute of claim 1, wherein: the solid plate (6) is made of aluminum alloy, and the cross sectional area of the solid plate (6) is equal to that of the outer housing (2).

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