CN209943213U - Noise reduction device of centrifugal fan - Google Patents
Noise reduction device of centrifugal fan Download PDFInfo
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- CN209943213U CN209943213U CN201822263334.4U CN201822263334U CN209943213U CN 209943213 U CN209943213 U CN 209943213U CN 201822263334 U CN201822263334 U CN 201822263334U CN 209943213 U CN209943213 U CN 209943213U
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- centrifugal fan
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- noise reduction
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Abstract
The utility model discloses a device of making an uproar falls in centrifugal fan, including centrifugal fan main part and net shell, be provided with out the tuber pipe in the centrifugal fan main part, it is provided with the spout to go out the intraductal spout that is provided with of tuber, seted up the internal thread on the pipe wall of tuber pipe, the last external screw thread with internal thread assorted of having seted up of net shell, fixed mounting has the gib block on the net shell, the one end lateral part fixed mounting of gib block have with spout assorted slider, the inside of net shell is provided with the cotton pad of amortization, the upper portion of net shell is through screw thread fixedly connected with apron, the bottom fixed mounting of centrifugal fan main part has damper. The utility model discloses a device of making an uproar falls in this centrifugal fan can fall and make an uproar and the noise elimination to can be simple and convenient dismantle with install in, be convenient for maintain and clear up, can carry out the shock attenuation protection to centrifugal fan simultaneously, be favorable to the noise reduction.
Description
Technical Field
The utility model belongs to the technical field of centrifugal fan, concretely relates to device of making an uproar falls in centrifugal fan.
Background
The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. Centrifugal fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion.
Centrifugal fan is with air pressurization back exhaust device, and when using, the noise is great, and current centrifugal fan is when using, can not be fine eliminate the noise, causes harm to environment and workman to when fixing centrifugal fan, can not carry out the shock attenuation protection to centrifugal fan, be unfavorable for the noise elimination.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a device of making an uproar falls in centrifugal fan, fall the device of making an uproar through this centrifugal fan, can fall the noise reduction and the noise elimination to can be simple and convenient dismantle with install in, be convenient for maintain and clear up, can carry out the shock attenuation protection to centrifugal fan simultaneously, be favorable to the noise reduction, with the problem of proposing in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a device of making an uproar falls in centrifugal fan, includes centrifugal fan main part and net shell, be provided with out the tuber pipe in the centrifugal fan main part, it is provided with the spout to go out the intraductal spout that is provided with, the internal thread has been seted up on the pipe wall of play tuber pipe, the last external screw thread with internal thread assorted of having seted up of net shell, fixed mounting has the conducting bar on the net shell, the one end lateral part fixed mounting of conducting bar have with spout assorted slider, the inside of net shell is provided with the cotton pad of amortization, the upper portion of net shell is through screw thread fixedly connected with apron, the bottom fixed mounting of centrifugal fan main.
Preferably, the damping mechanism comprises a base and a rubber pad, the centrifugal fan body is fixedly mounted on the base, the rubber pad is fixedly mounted at the bottom of the base, threaded holes are formed in the base and the rubber pad, a bolt is connected to the inner threads of the threaded hole, and a through hole is formed in the lateral portion of the rubber pad.
Preferably, the sliding groove is arranged in an L shape.
Preferably, the bottom of the latticed shell is arranged in a flaring shape.
Preferably, the sliding chutes are provided with four groups, the four groups of sliding chutes are symmetrically arranged relative to the central line of the air outlet pipe, and the number of the sliding chutes is the same as that of the sliding blocks.
Preferably, the latticed shell is arranged in a circular ring shape.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the latticed shell is used, the latticed shell is arranged in a multi-cavity manner, noise can be effectively reduced, the latticed shell is matched with the silencing cotton pad for use, noise can be absorbed and eliminated through the loose multi-cavity structural characteristic of the silencing cotton, the latticed shell can be simply and conveniently disassembled and installed through the matching use of the sliding groove and the sliding block with the internal thread and the external thread, the silencing cotton pad can be conveniently replaced regularly, the latticed shell can be maintained, and the noise reduction performance can be ensured;
2. through damper's use, can carry out the shock attenuation protection to the centrifugal fan main part, can fall the noise to the centrifugal fan main part simultaneously.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
FIG. 2 is an exploded view of the housing of the present invention;
fig. 3 is a view of the air outlet pipe shaft of the present invention.
In the figure: the air conditioner comprises a centrifugal fan body 1, a latticed shell 2, an air outlet pipe 3, a sliding groove 4, an internal thread 5, an external thread 6, a guide bar 7, a sliding block 8, a silencing cotton pad 9, a cover plate 10, a damping mechanism 11, a base 12, a rubber pad 13, a threaded hole 14, a bolt 15 and a through hole 16.
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. 1-3, the present invention provides a technical solution:
the utility model provides a device of making an uproar falls in centrifugal fan, includes centrifugal fan main part 1 and reticulated shell 2, be provided with out tuber pipe 3 in the centrifugal fan main part 1, it is provided with spout 4 in the tuber pipe 3, internal thread 5 has been seted up on the pipe wall of play tuber pipe 3, reticulated shell 2 go up set up with internal thread 5 assorted external screw thread 6, reticulated shell 2 is last fixed mounting has conducting bar 7, the one end lateral part fixed mounting of conducting bar 7 have with spout 4 assorted slider 8, reticulated shell 2's inside is provided with the cotton pad of amortization 9, the upper portion of reticulated shell 2 is through screw thread fixedly connected with apron 10, the bottom fixed mounting of centrifugal fan main part 1 has damper 11.
Further, damper 11 includes base 12 and rubber pad 13, centrifugal fan main part 1 fixed mounting is on base 12, rubber pad 13 fixed mounting is in the bottom of base 12, base 12 and rubber pad 13 are last all seted up screw hole 14, the internal thread of screw hole 14 is connected with bolt 15, the lateral part of rubber pad 13 is seted up through-hole 16.
Further, the sliding groove 4 is arranged in an L shape.
Further, the bottom of the latticed shell 2 is arranged in a flaring shape.
Furthermore, four groups of sliding grooves 4 are arranged, the four groups of sliding grooves 4 are symmetrically arranged relative to the central line of the air outlet pipe 3, and the number of the sliding grooves 4 is the same as that of the sliding blocks 8.
Further, the latticed shell 2 is arranged in a circular ring shape.
The structure principle is as follows: through the use of the reticulated shell 2, the noise can be effectively reduced through the porous arrangement of the reticulated shell 2, and the reticulated shell 2 is matched with the silencing cotton pad 9 for use, the noise can be absorbed and eliminated through the loose porous structure characteristic of the silencing cotton pad 9, the internal thread 5 is connected with the external thread 6 through the sliding insertion of the sliding block 8 into the sliding chute 4 and the rotation of the reticulated shell 2, so that the sliding block 8 is clamped into the L-shaped area of the sliding chute 4, the reticulated shell 2 can be simply and conveniently disassembled and installed, the silencing cotton pad 9 can be conveniently replaced regularly, the reticulated shell 2 can be maintained, and the noise reduction performance can be ensured;
use through rubber pad 13, can carry out the shock attenuation and cooperate through-hole 16 to centrifugal fan main part 1, can be better carry out the shock attenuation to centrifugal fan main part 1 to fix centrifugal fan main part 1 through base 12 and rubber pad 13 together, effectively improve fixed stability, can reduce when vibrations and fall the noise to centrifugal fan main part 1, can reduce the harm to environment and workman.
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. The utility model provides a device of making an uproar falls in centrifugal fan, includes centrifugal fan main part (1) and cell-shell (2), its characterized in that: be provided with out tuber pipe (3) on centrifugal fan main part (1), be provided with spout (4) in going out tuber pipe (3), set up on the pipe wall of play tuber pipe (3) internal thread (5), last of cell-shell (2) set up with internal thread (5) assorted external screw thread (6), fixed mounting has conducting bar (7) on cell-shell (2), the one end lateral part fixed mounting of conducting bar (7) have with spout (4) assorted slider (8), the inside of cell-shell (2) is provided with amortization cotton pad (9), screw thread fixedly connected with apron (10) is passed through on the upper portion of cell-shell (2), the bottom fixed mounting of centrifugal fan main part (1) has damper (11).
2. A centrifugal fan noise reduction apparatus according to claim 1, wherein: damper (11) include base (12) and rubber pad (13), centrifugal fan main part (1) fixed mounting is on base (12), rubber pad (13) fixed mounting is in the bottom of base (12), all seted up screw hole (14) on base (12) and rubber pad (13), the internal thread of screw hole (14) is connected with bolt (15), through-hole (16) have been seted up to the lateral part of rubber pad (13).
3. A centrifugal fan noise reduction apparatus according to claim 1, wherein: the sliding groove (4) is arranged in an L shape.
4. A centrifugal fan noise reduction apparatus according to claim 1, wherein: the bottom of the reticulated shell (2) is arranged in a flaring shape.
5. A centrifugal fan noise reduction apparatus according to claim 1, wherein: the sliding chutes (4) are arranged in four groups, the sliding chutes (4) are symmetrically arranged relative to the central line of the air outlet pipe (3), and the number of the sliding chutes (4) is the same as that of the sliding blocks (8).
6. A centrifugal fan noise reduction apparatus according to claim 1, wherein: the latticed shell (2) is arranged in a circular ring shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822263334.4U CN209943213U (en) | 2018-12-31 | 2018-12-31 | Noise reduction device of centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822263334.4U CN209943213U (en) | 2018-12-31 | 2018-12-31 | Noise reduction device of centrifugal fan |
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| Publication Number | Publication Date |
|---|---|
| CN209943213U true CN209943213U (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822263334.4U Active CN209943213U (en) | 2018-12-31 | 2018-12-31 | Noise reduction device of centrifugal fan |
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| CN (1) | CN209943213U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115573950A (en) * | 2022-09-05 | 2023-01-06 | 无锡宜友机电制造有限公司 | Noise reduction device and method for air suspension fan |
-
2018
- 2018-12-31 CN CN201822263334.4U patent/CN209943213U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115573950A (en) * | 2022-09-05 | 2023-01-06 | 无锡宜友机电制造有限公司 | Noise reduction device and method for air suspension fan |
| CN115573950B (en) * | 2022-09-05 | 2023-08-15 | 无锡宜友机电制造有限公司 | Noise reduction device and noise reduction method for air suspension fan |
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