CN211852297U

CN211852297U - Noise eliminator of fan for food ingredient processing

Info

Publication number: CN211852297U
Application number: CN202020431454.5U
Authority: CN
Inventors: 吴建伟
Original assignee: Qingdao Ansa Food Ingredients Co ltd
Current assignee: Qingdao Ansa Food Ingredients Co ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2020-11-03
Anticipated expiration: 2030-03-30

Abstract

The utility model discloses a noise eliminator of fan for food preparation processing, including the noise eliminator body, the noise eliminator body is equipped with the fan including fixed case, fixed incasement, and the air intake of fan passes through the flange intercommunication and is fixed with the air-supply line, and the air outlet of fan passes through the flange intercommunication and is fixed with out the tuber pipe, and the air-supply line all extends to outside the fixed case with the one end that goes out the tuber pipe and keep away from each other, the top threaded fixation of fixed case has the roof, the bottom fixed mounting of fan has the connecting plate, and the bottom movable contact of connecting plate has the diaphragm, connecting plate and diaphragm threaded connection, and the bottom fixed mounting of diaphragm has a plurality of rubber pads, and the bottom of rubber pad is fixed with the bottom inner wall bonding of. The utility model discloses simple structure, convenient operation, the fan during operation of being convenient for gives sound insulation to the fan and falls and make an uproar, and effective noise reduction satisfies the use needs to workman's influence, is favorable to the use.

Description

Noise eliminator of fan for food ingredient processing

Technical Field

The utility model relates to a noise elimination equipment technical field especially relates to a noise eliminator of fan for food preparation processing.

Background

In order to prevent dust from flying in a factory building to cause pollution in the food ingredient processing process, dust cleaning needs to be carried out through a fan, the fan depends on input mechanical energy, improves gas pressure and discharges gas, a medium transmitted in the fan is flowing gas in the use process of the fan, and the fan can generate great noise due to the influence of airflow and mechanical vibration of a motor per se;

however, the existing technology is inconvenient for sound insulation and noise reduction of the fan, workers in a noise environment can cause the occurrence of the situation of the back of the ear and even the deafness for a long time, many manufacturers in the market do not pay attention to the situation, only wear the earplugs, the noise-proof effect is not obvious when the manufacturers feel uncomfortable, and the use requirements cannot be met, so that the noise-proof device of the fan for food ingredient processing is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a noise elimination device of a fan for food ingredient processing.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a silencer of a fan for food ingredient processing comprises a silencer body, wherein the silencer body comprises a fixed box, the fixed box is internally provided with the fan, an air inlet of the fan is communicated and fixed with an air inlet pipe through a flange, an air outlet of the fan is communicated and fixed with an air outlet pipe through a flange, one ends of the air inlet pipe and the air outlet pipe, which are far away from each other, extend out of the fixed box, the top of the fixed box is fixed with a top plate through threads, the bottom of the fan is fixedly provided with a connecting plate, the bottom of the connecting plate is in movable contact with a transverse plate, the connecting plate is in threaded connection with the transverse plate, the bottom of the transverse plate is fixedly provided with a plurality of rubber pads, the bottoms of the rubber pads are fixedly bonded with the inner wall of the bottom of the fixed box, the inner walls of four sides of the fixed box and the bottom of the top plate are fixedly provided, equal fixed mounting has the noise damping strip that a plurality of slopes set up on the both sides inner wall of first rectangular channel, two relative noise damping strip crisscross symmetry settings that are located same first rectangular channel, the second rectangular channel has been seted up on one side inner wall that first rectangular channel is close to the fan, the V-arrangement groove has been seted up on one side inner wall that the second rectangular channel is close to the fan, equal fixed mounting has triangle noise damping piece on the both sides inner wall of V-arrangement groove, two crisscross symmetry settings of triangle noise damping piece that are located same V-arrangement inslot, the rectangular hole has been seted up on one side inner wall that the V-arrangement groove is close to the fan, equal fixed cover is equipped with the noise damping board in rectangular hole and the second rectangular channel.

Preferably, the silencing strips and the triangular silencing blocks are made of glass fibers.

Preferably, the sound insulation board is made of glass wool.

Preferably, the material of the sound-absorbing plate is aluminum silicate cotton.

Preferably, first thread groove has all been seted up in the top four corners of fixed case, and first thread groove internal thread is connected with first T shape bolt, and first screw hole has all been seted up in the top four corners of roof, and the top of first T shape bolt runs through corresponding first screw hole and extends to the top of roof, first T shape bolt and the first screw hole threaded connection who corresponds.

Preferably, second thread grooves are formed in four corners of the top of the transverse plate, second T-shaped bolts are connected to the inner threads of the second thread grooves, second threaded holes are formed in four corners of the top of the connecting plate, the tops of the second T-shaped bolts penetrate through corresponding second threaded holes and extend to the upper portion of the connecting plate, and the second T-shaped bolts are connected with the corresponding second threaded holes in a threaded mode.

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

through the matching of the arranged fixed box, the top plate, the fan, the connecting plate, the transverse plate, the rubber pad, the fixed plate, the first rectangular groove, the sound insulating plate, the sound insulating strips, the second rectangular groove, the V-shaped groove, the triangular sound insulating block, the rectangular holes and the sound insulating plate, under the action of the elasticity of the rubber pad, the vibration force generated during the work of the fan is reduced, the primary noise reduction effect is achieved, the noise generated by the fan is transmitted into the plurality of rectangular holes, the sound insulating plate absorbs and reduces the noise, the reduced noise enters the V-shaped groove, the transmission rate of the refracted noise sound wave is reduced in the process of sound wave reflection of the reduced noise in the V-shaped groove, the noise is reduced again under the arrangement of the triangular sound insulating block and the corresponding V-shaped groove, the noise enters the second rectangular groove, the sound insulating plate reduces the noise again, the noise enters the first rectangular groove and utilizes the reflection of the plurality of sound insulating strips, the original first forward-transmitted sound wave returns to the original point and returns back to forward transmission again, so that the returned noise is converged with the forward-transmitted noise sound wave which is not reflected, the two sound waves are equal in amplitude and interfere with each other to offset, and finally, under the action of the sound insulation plate, the noise is isolated.

The utility model discloses simple structure, convenient operation, the fan during operation of being convenient for gives sound insulation to the fan and falls and make an uproar, and effective noise reduction satisfies the use needs to workman's influence, is favorable to the use.

Drawings

Fig. 1 is a schematic structural view of a muffler device of a fan for processing food ingredients according to the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

fig. 3 is a schematic cross-sectional structure view of a portion a in fig. 2.

In the figure: the sound-absorbing board comprises a fixed box 1, a top board 2, a fan 3, a connecting board 4, a transverse board 5, a rubber pad 6, a fixed board 7, a first rectangular groove 8, a sound-absorbing board 9, a sound-absorbing strip 10, a second rectangular groove 11, a V-shaped groove 12, a triangular sound-absorbing block 13, a rectangular hole 14 and a sound-absorbing board 15.

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.

Referring to fig. 1-3, a noise eliminator of a fan for food ingredient processing comprises a noise eliminator body, the noise eliminator body comprises a fixed box 1, a fan 3 is arranged in the fixed box 1, an air inlet of the fan 3 is communicated and fixed with an air inlet pipe through a flange, an air outlet of the fan 3 is communicated and fixed with an air outlet pipe through a flange, the ends, far away from each other, of the air inlet pipe and the air outlet pipe extend out of the fixed box 1, a top plate 2 is fixed on the top of the fixed box 1 through screw threads, a connecting plate 4 is fixedly arranged at the bottom of the fan 3, a transverse plate 5 is movably contacted with the bottom of the connecting plate 4, the connecting plate 4 is in screw thread connection with the transverse plate 5, a plurality of rubber pads 6 are fixedly arranged at the bottom of the transverse plate 5, the bottoms of the rubber pads 6 are fixedly bonded with the inner wall at the bottom of the fixed box 1, fixed plates 7 are fixedly arranged on the inner walls, the utility model has the advantages of simple structure and convenient operation, the utility model is convenient for fixing a sound insulation board 9 in the first rectangular groove 8, fixing a plurality of oblique silencing strips 10 on the inner walls of two sides of the first rectangular groove 8, arranging two opposite silencing strips 10 in the same first rectangular groove 8 in a staggered and symmetrical manner, arranging a second rectangular groove 11 on the inner wall of one side of the first rectangular groove 8 close to the fan 3, arranging a V-shaped groove 12 on the inner wall of one side of the second rectangular groove 11 close to the fan 3, arranging triangular silencing blocks 13 on the inner walls of two sides of the V-shaped groove 12, arranging two triangular silencing blocks 13 in the same V-shaped groove 12 in a staggered and symmetrical manner, arranging a rectangular hole 14 on the inner wall of one side of the V-shaped groove 12 close to the fan 3, and arranging a silencing board 15 in the rectangular hole 14 and the second rectangular groove 11, effectively reduce the influence of noise to the workman, satisfy the operation needs, be favorable to using.

In the utility model, the silencing strip 10 and the triangular silencing block 13 are made of glass fiber with good sound absorption effect, the sound insulation board 9 is made of glass cotton with good sound absorption effect, the silencing board 15 is made of aluminum silicate cotton with good sound absorption effect, the top four corners of the fixing box 1 are all provided with first thread grooves, the first thread grooves are connected with first T-shaped bolts in an internal thread manner, the top four corners of the top plate 2 are all provided with first threaded holes, the top of each first T-shaped bolt penetrates through the corresponding first threaded hole and extends to the upper side of the top plate 2, each first T-shaped bolt is connected with the corresponding first threaded hole in a threaded manner, the top four corners of the transverse plate 5 are all provided with second thread grooves, the second thread grooves are connected with second T-shaped bolts in an internal thread manner, the top four corners of the connecting plate 4 are all provided with second threaded holes, the top of each second T-shaped bolt penetrates through the corresponding second threaded hole and extends to the upper side of the connecting plate 4, second T shape bolt and the second screw hole threaded connection who corresponds, the utility model discloses simple structure, convenient operation, the fan 3 during operation of being convenient for gives sound insulation to fan 3 and falls the noise, and effective noise reduction satisfies the use needs to workman's influence, is favorable to using.

The working principle is as follows: when the fan is used, the fan 3 is positioned outside the fixed box 1, the first T-shaped bolt is rotated by a tool to separate the first T-shaped bolt from the corresponding first threaded groove and the first threaded hole, the fan 3 is placed into the fixed box 1, the fan 3 drives the connecting plate 4 to be in movable contact with the transverse plate 5, the air inlet of the fan 3 is communicated and fixed with the air inlet pipe through the flange by the tool, the air outlet of the fan 3 is communicated and fixed with the air outlet pipe through the flange, the second T-shaped bolt is rotated by the tool to be in threaded connection with the corresponding second threaded groove and the second threaded hole, so that the fan 3 is fixed, the vibration force generated when the fan 3 works is reduced under the action of the self elastic force of the rubber pad 6, the primary noise reduction effect is achieved, the noise generated by the fan 3 is transmitted into the plurality of rectangular holes 14, and the noise reduction plate 15 absorbs and reduces the noise, the reduced noise enters the V-shaped groove 12, because the V-shaped groove 12 is of a V-shaped structure, the transmission rate of the refracted noise sound wave is reduced in the process of sound wave reflection in the V-shaped groove 12, the triangular silencing block 13 is made of glass fiber with good silencing effect, the noise is reduced again under the arrangement of the triangular silencing block 13 and the corresponding V-shaped groove 12, the noise enters the second rectangular groove 11, the silencing plate 15 reduces the noise again, the noise enters the first rectangular groove 8 and is reflected by the silencing strips 10, the original first forward-transmitted sound wave returns to the original point and is retraced and transmitted forward again, the retraced noise and the forward-transmitted noise sound wave which is not reflected are converged and equal in amplitude, so that the retraced noise and the forward-transmitted noise sound wave are mutually interfered and counteracted, and finally under the action of the sound insulation plate 9, the noise isolation is achieved.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a noise eliminator of fan for food ingredients processing, includes the noise eliminator body, the noise eliminator body includes fixed case (1), is equipped with fan (3) in fixed case (1), and the air intake of fan (3) communicates and is fixed with the air-supply line through the flange, and the air outlet of fan (3) communicates and is fixed with the play tuber pipe through the flange, and the one end that air-supply line and play tuber pipe kept away from each other all extends outside fixed case (1), its characterized in that, the top threaded fastening of fixed case (1) has roof (2), the bottom fixed mounting of fan (3) has connecting plate (4), and the bottom movable contact of connecting plate (4) has diaphragm (5), and connecting plate (4) and diaphragm (5) threaded connection, the bottom fixed mounting of diaphragm (5) has a plurality of rubber pads (6), and the bottom of rubber pad (6) bonds fixedly with the bottom inner wall of fixed case (1), the inner walls of four sides of the fixed box (1) and the bottom of the top plate (2) are fixedly provided with fixed plates (7), one side of each fixed plate (7) far away from the fan (3) is provided with a plurality of first rectangular grooves (8), the first rectangular grooves (8) are internally and fixedly sleeved with sound insulation plates (9), the inner walls of two sides of each first rectangular groove (8) are fixedly provided with a plurality of obliquely arranged sound-deadening strips (10), two opposite sound-deadening strips (10) positioned in the same first rectangular groove (8) are symmetrically arranged in a staggered manner, the inner wall of one side of each first rectangular groove (8) close to the fan (3) is provided with a second rectangular groove (11), the inner wall of one side of each second rectangular groove (11) close to the fan (3) is provided with a V-shaped groove (12), the inner walls of two sides of each V-shaped groove (12) are fixedly provided with a triangular sound-deadening block (13), and two triangular sound-deadening blocks (13) positioned in the, a rectangular hole (14) is formed in the inner wall of one side, close to the fan (3), of the V-shaped groove (12), and a sound-absorbing plate (15) is fixedly sleeved in the rectangular hole (14) and the second rectangular groove (11).

2. The silencer device of the fan for processing the food ingredients, according to claim 1, is characterized in that the material of the silencing strip (10) and the material of the triangular silencing block (13) are both glass fiber.

3. The silencer device for the fan used for processing the food ingredients as claimed in claim 1, wherein the material of the sound insulation board (9) is glass wool.

4. The silencer device for the fan for processing the food ingredients as claimed in claim 1, wherein the material of the silencing plate (15) is aluminum silicate cotton.

5. The silencer of the fan for food ingredient processing according to claim 1, wherein the four corners of the top of the fixing box (1) are provided with first thread grooves, the first thread grooves are connected with first T-shaped bolts in a threaded manner, the four corners of the top plate (2) are provided with first threaded holes, the tops of the first T-shaped bolts penetrate through the corresponding first threaded holes and extend to the upper side of the top plate (2), and the first T-shaped bolts are connected with the corresponding first threaded holes in a threaded manner.

6. The fan noise elimination device for food ingredient processing as recited in claim 1, wherein the cross plate (5) has second threaded grooves formed in the four corners of the top thereof, the second threaded grooves are connected with second T-shaped bolts through internal threads, the connecting plate (4) has second threaded holes formed in the four corners of the top thereof, the tops of the second T-shaped bolts penetrate through the corresponding second threaded holes and extend to the upper side of the connecting plate (4), and the second T-shaped bolts are connected with the corresponding second threaded holes through threads.