CN218439932U

CN218439932U - Cross-flow fan with noise reduction function

Info

Publication number: CN218439932U
Application number: CN202222393908.6U
Authority: CN
Inventors: 林中云
Original assignee: Jiangxi Hengcheng Industrial Co ltd
Current assignee: Jiangxi Hengcheng Industrial Co ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2023-02-03
Anticipated expiration: 2032-09-09

Abstract

The utility model provides a cross-flow fan with it makes an uproar to fall, including the fan shell, motor sound-proof housing and yielding rubber board, transversely be provided with the cross-flow impeller in the fan shell, mounting panel and yielding rubber board have been pasted to fan shell right-hand member, the fan shell, angle such as mounting panel and yielding rubber board junction runs through and has seted up a plurality of mounting holes, and all insert in a plurality of mounting holes and establish and be fixed with rubber sleeve, the motor sound-proof housing is fixed at the yielding rubber board right-hand member, yielding rubber board right-hand member installation is fixed with the motor, and inside the motor is located the motor sound-proof housing, the problem that original device can not reduce the noise that motor self during operation sent has been solved in this design, the utility model discloses rational in infrastructure, the practicality is good, when can make motor and fan shell junction noise reduction, also can reduce the noise that motor self during operation sent, and the effect of making an uproar improves twenty-five percent at the very least.

Description

Cross-flow fan with noise reduction function

Technical Field

The utility model relates to a cross-flow fan with it makes an uproar to fall belongs to cross-flow fan equipment technical field.

Background

The cross-flow fan is a common ventilation device at present, and mainly comprises a fan shell, a cross-flow impeller and a motor, wherein the cross-flow impeller is arranged in the fan shell, one end of the fan shell is provided with a side plate, a motor bracket on the motor is rigidly and fixedly connected with the side plate through a bolt, and a motor shaft penetrates through the side plate to be connected with the cross-flow impeller and drives the cross-flow impeller to rotate in the fan shell.

Chinese patent No.: CN203655669U, a cross flow fan is mentioned, a motor bracket and a side plate of the cross flow fan are connected through damping rubber fixing pieces, the damping rubber fixing pieces are at least 3, all the damping rubber fixing pieces are regularly arranged by taking a motor shaft as a center, the damping rubber fixing pieces can play a role of connecting the motor bracket and the side plate and play a role of buffering and resisting shock, vibration generated when the motor works can be effectively buffered, a fan shell and a cross flow impeller in the fan shell are prevented from resonating with the motor, performance of the cross flow fan is improved, particularly, noise is reduced, service life of the cross flow impeller is prolonged, the motor of the cross flow fan can generate noise when the cross flow fan works, the noise is reduced by only relying on the damping rubber fixing pieces, the noise generated when the motor works cannot be reduced, and a cross flow fan with noise reduction is urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cross-flow fan with fall and make an uproar to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure, the practicality is good, when can making motor and fan shell junction noise reduction, also can reduce the noise that motor own during operation sent, and the noise reduction effect improves twenty-five percent at the very least.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a cross-flow fan with it makes an uproar to fall, includes fan shell, motor sound-proof housing and yielding rubber board, transversely be provided with the cross-flow impeller in the fan shell, mounting panel and yielding rubber board have been posted to fan shell right-hand member, angle such as fan shell, mounting panel and yielding rubber board junction runs through and has seted up a plurality of mounting holes, and all inserts in a plurality of mounting holes and establish and be fixed with the rubber sleeve, the motor sound-proof housing is fixed at the yielding rubber board right-hand member, the yielding rubber board right-hand member installation is fixed with the motor, and inside the motor is located the motor sound-proof housing, the inside annular side of motor sound-proof housing is fixed with cyclic annular sound-absorbing cotton, and cyclic annular sound-absorbing cotton inboard fixed surface has cyclic annular sound-absorbing cotton, the inside right-hand member of motor sound-proof housing is fixed with the slice sound-absorbing cotton, and the slice sound-absorbing cotton left end is fixed with the slice sound-absorbing cotton.

Further, the annular side surface of the motor is provided with a cooling fin.

Furthermore, a plurality of rubber sleeves are internally inserted and fixed with mounting bolts, and nuts are screwed at the left ends of the annular side faces of the mounting bolts.

Furthermore, a ball bearing penetrates through and is fixed in the middle of the side surface of the damping rubber plate, and a motor shaft of the motor penetrates through the ball bearing and is connected with the through-flow impeller.

Further, the impartial angle in motor sound-proof housing annular side runs through and has seted up a plurality of first through-holes, motor sound-proof housing right-hand member face runs through and has seted up the second through-hole.

The utility model has the advantages that: the utility model discloses a cross flow fan with it makes an uproar to fall, because the utility model discloses added motor sound-proof housing, mounting panel, yielding rubber board, construction bolt, rubber sleeve, cyclic annular soundproof cotton, cyclic annular sound-absorbing cotton, slice soundproof cotton and slice sound-absorbing cotton, through our design improvement and in-service use show, can not only make motor and fan shell junction carry out the noise reduction, also can reduce the noise that motor own during operation sent simultaneously, and the noise reduction effect improves twenty-five percent at the very least.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a perspective view of the cross-flow fan with noise reduction according to the present invention;

FIG. 2 is a schematic perspective view of a sound enclosure for a motor with a noise reducing crossflow blower of the present invention;

FIG. 3 is a schematic cross-sectional view of a sound enclosure for a motor with a noise-reducing crossflow blower of the present invention;

in the figure: 1-a fan shell, 2-a cross-flow impeller, 3-a motor sound-proof shield, 4-a first through hole, 5-a second through hole, 6-a mounting plate, 7-a damping rubber plate, 8-a mounting bolt, 9-a rubber sleeve, 10-a motor, 11-a ball bearing, 12-annular sound-proof cotton, 13-annular sound-absorbing cotton, 14-sheet sound-proof cotton and 15-sheet sound-absorbing cotton.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a cross-flow fan with it makes an uproar to fall, including fan shell 1, motor sound-proof housing 3 and yielding rubber board 7, transversely be provided with cross-flow impeller 2 in the fan shell 1, 1 right-hand member of fan shell has pasted mounting panel 6 and yielding rubber board 7, fan shell 1, a plurality of mounting holes have been seted up in angle such as mounting panel 6 and yielding rubber board 7 junction, and all insert in a plurality of mounting holes and establish and be fixed with rubber sleeve 9, motor sound-proof housing 3 is fixed at yielding rubber board 7 right-hand member, 7 right-hand member installations of yielding rubber board are fixed with motor 10, and motor 10 is located inside motor sound-proof housing 3, the inside annular side of motor sound-proof housing 3 is fixed with cyclic annular sound-absorbing cotton 13, and the inboard fixed surface of cyclic annular sound-absorbing cotton 13 has cyclic annular sound-absorbing cotton 12, the inside right-hand member of motor sound-proof housing 3 is fixed with slice cotton sound-absorbing 15, and slice cotton sound-absorbing 15 left end is fixed with slice cotton 14, this design has solved the problem that original device can not reduce the noise that motor during operation sent.

As a first embodiment of the present invention: establish in the interpolation of a plurality of rubber sleeve 9 and be fixed with

construction bolt

8, and 8 annular side left ends of a plurality of construction bolt have all been twisted the nut, through the yielding rubber board 7 and a plurality of rubber sleeve 9 that add, can carry out the flexible connection between motor 10 and fan shell 1, and then can play vibration/noise reduction effect to motor 10.

Run through in the middle of the 7 side surfaces of shock-absorbing rubber board and be fixed with ball bearing 11, motor 10 motor shaft runs through ball bearing 11 and is connected with through-

flow impeller

2, 3 impartial angles in annular side of motor sound-proof housing run through and have seted up a plurality of first through-

holes

4, 3 right-hand member faces of motor sound-proof housing run through and have seted up second through-

hole

5, 10 annular sides of motor are provided with the fin, through a plurality of first through-holes 4 of seting up, the fin of a plurality of second through-holes 5 and setting, be convenient for the heat dissipation of motor 10.

As a second embodiment of the present invention: when the motor 10 works, when it emits vibration and noise (note: the utility model discloses only to in the above-mentioned contrast file motor noise reduction mounting structure department innovate, cross-flow fan working method is current mature technique, do not do any more), the yielding rubber board 7 and a plurality of rubber sleeve 9 play the cushioning effect for it, and then make between motor 10 and the fan shell 1 noise also can follow the reduction, cyclic annular acoustic cotton 12 and slice acoustic cotton 14 can isolate the sound that motor 10 sent simultaneously, partial noise can pass cyclic annular acoustic cotton 12 and slice acoustic cotton 14 and cyclic annular acoustic cotton 13 and the contact of slice acoustic cotton 15, and then make cyclic annular acoustic cotton 13 and slice acoustic cotton 15 absorb the remaining noise, and then make the noise that motor 10 sent can not expand to the external world.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a cross-flow fan with it makes an uproar to fall, includes fan shell (1), motor sound-proof housing (3) and shock attenuation rubber slab (7), its characterized in that: a cross-flow impeller (2) is transversely arranged in the fan shell (1), a mounting plate (6) and a damping rubber plate (7) are attached to the right end of the fan shell (1), a plurality of mounting holes are formed in the joints of the fan shell (1), the mounting plate (6) and the damping rubber plate (7) in an equal-angle penetrating mode, and rubber sleeves (9) are inserted and fixed in the mounting holes;

the motor sound-proof cover (3) is fixed at the right end of the damping rubber plate (7), the motor (10) is fixedly installed at the right end of the damping rubber plate (7), and the motor (10) is located inside the motor sound-proof cover (3);

the motor sound-proof housing (3) inside annular side is fixed with cyclic annular sound absorption cotton (13), and cyclic annular sound absorption cotton (13) inboard fixed surface has cyclic annular sound-proof cotton (12), motor sound-proof housing (3) inside right-hand member is fixed with the slice and inhales sound cotton (15), and the slice is inhaled sound cotton (15) left end and is fixed with slice sound-proof cotton (14).

2. A crossflow blower with noise reduction as claimed in claim 1, characterized in that: a plurality of mounting bolts (8) are fixedly inserted into the rubber sleeves (9), and nuts are screwed at the left ends of the annular side faces of the mounting bolts (8).

3. A crossflow blower with noise reduction as claimed in claim 1, characterized in that: and a ball bearing (11) penetrates through and is fixed in the middle of the side surface of the damping rubber plate (7), and a motor shaft of the motor (10) penetrates through the ball bearing (11) and is connected with the through-flow impeller (2).

4. A crossflow blower with noise reduction as set forth in claim 1 wherein: the motor sound-proof housing (3) has a plurality of first through holes (4) formed through the equal angles of the annular side surface, and a second through hole (5) formed through the right end surface of the motor sound-proof housing (3).

5. A crossflow blower with noise reduction as claimed in claim 1, characterized in that: and the annular side surface of the motor (10) is provided with a radiating fin.