CN218844636U

CN218844636U - Fan with noise reduction effect

Info

Publication number: CN218844636U
Application number: CN202223062614.1U
Authority: CN
Inventors: 龙三伟; 何其阳; 李金容
Original assignee: Zhaoqing Longqin Fan Co ltd
Current assignee: Zhaoqing Longqin Fan Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-04-11
Anticipated expiration: 2032-11-18

Abstract

The utility model discloses a fan with noise reduction effect, including the fan main part, the outside fixed cover of fan main part is equipped with the sound insulation barrel, and the both ends of sound insulation barrel all can be dismantled and install the drainage dryer of making an uproar of falling, and the bottom fixed mounting of sound insulation barrel lateral surface has the installation machine foot that two symmetries set up. According to the scheme, the driving motor is fixedly arranged in the middle of the inner cavity of the axial flow fan cylinder shell through the three supporting frames, sound insulation cotton is fixedly bonded on the inner wall of the axial flow fan cylinder shell, and wind noise generated by high-speed rotation of the axial flow fan blades can be effectively reduced through the sound insulation cotton; wide-mouth drainage dryer passes through external screw thread connecting cylinder cooperation internal thread spread groove demountable installation in the port department of axial fan barrel shell, and the inner wall fixed mounting of wide-mouth drainage dryer has the curved type sound insulation guide plate that six equidistance distribute, through the curved type sound insulation guide plate that six equidistance distribute, has both guaranteed that the air current can normally flow, the noise pollution that reduction fan operation process that also can be further produced.

Description

Fan with noise reduction effect

Technical Field

The utility model relates to a fan technical field, more specifically say, the utility model relates to a fan with noise reduction effect.

Background

The fan is a driven fluid machine which drives fan blades to rotate at high speed by means of mechanical energy input by a motor and is used for improving gas pressure and discharging gas, and common fans in the market comprise an axial flow fan and a centrifugal fan, wherein the axial flow fan mainly comprises a fan impeller and a shell, has a simple structure, is widely used for ventilation in places such as general factories, warehouses, offices and houses, and can also be used for heat dissipation in air coolers, evaporators, condensers, spray cooling equipment and the like; at present, in the actual use process of the existing axial flow fan, the motor driving fan blades rotate at a high speed to easily generate large wind noise, and the casing of the axial flow fan is not provided with a noise reduction structure, so that the wind noise cannot be effectively reduced, and large noise pollution can be caused in the working environment of the fan.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a fan with noise reduction effect to solve current axial fan at the in-process of in-service use, the motor drive flabellum rotates at a high speed and easily produces great wind and makes an uproar, and axial fan's casing is not provided with and falls the structure of making an uproar, and unable effectual reduction wind makes an uproar, can cause great noise pollution's problem in the operational environment of fan.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a fan with noise reduction effect, includes the fan main part, the outside fixed cover of fan main part is equipped with syllable-dividing barrel, the both ends of syllable-dividing barrel all can be dismantled and install the drainage dryer of making an uproar, the bottom fixed mounting of syllable-dividing barrel lateral surface has the installation machine foot that two symmetries set up.

Preferably, the sound insulation barrel comprises an axial flow fan barrel shell, sound insulation cotton is fixedly bonded on the inner wall of the axial flow fan barrel shell, internal thread connecting grooves are formed in two end openings of the axial flow fan barrel shell, and the two mounting machine legs are fixedly mounted at the bottom of the outer side surface of the axial flow fan barrel shell in a symmetrical mode.

Preferably, the fan main body comprises a driving motor, the body of the driving motor is fixedly connected with three support frames which are distributed at equal intervals, the three support frames are fixedly connected with the inner wall of the axial flow fan barrel shell, the driving motor is fixedly installed in the middle of the inner cavity of the axial flow fan barrel shell through the three support frames, and an axial flow fan blade is fixedly installed on a transmission shaft of the driving motor.

Preferably, the noise reduction drainage wind tube comprises a wide-mouth drainage wind tube, an external thread connecting tube is integrally formed at the inner side end of the wide-mouth drainage wind tube, and the wide-mouth drainage wind tube passes through the external thread connecting tube detachably mounted at the port of the axial flow fan tube shell.

Preferably, the outer side port department demountable installation of wide-mouth drainage dryer has the protection filter screen, the inner wall fixed mounting of wide-mouth drainage dryer has the curved type sound insulation guide plate of six equidistance distributions.

The utility model discloses a technological effect and advantage:

in the scheme, the driving motor is fixedly arranged in the middle of the inner cavity of the axial flow fan cylinder shell through the three supporting frames, the axial flow fan blades are movably arranged in the inner cavity of the axial flow fan cylinder shell through the driving motor, soundproof cotton is fixedly bonded on the inner wall of the axial flow fan cylinder shell, and wind noise generated by high-speed rotation of the axial flow fan blades can be effectively reduced through the soundproof cotton, so that noise pollution is reduced; wide-mouth drainage dryer passes through external screw thread connecting cylinder cooperation internal thread spread groove demountable installation in axial fan shell's port department, and the inner wall fixed mounting of wide-mouth drainage dryer has the curved type guide plate that gives sound insulation of six equidistance distributions, and through the curved type guide plate that gives sound insulation of six equidistance distributions, both guaranteed that the air current can normally flow, the noise pollution that reduction fan operation process that also can be further produced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded view of the overall structure of the present invention;

fig. 3 is a schematic view of the structure of the sound insulation machine barrel of the present invention;

fig. 4 is the utility model discloses a drainage dryer structural schematic diagram of making an uproar falls.

The reference signs are: 1. a fan main body; 2. a sound insulation barrel; 3. installing a machine leg; 4. a noise reduction drainage wind cylinder; 11. a drive motor; 12. a support frame; 13. axial flow fan blades; 21. an axial flow fan barrel housing; 22. sound insulation cotton; 23. an internal thread connecting groove; 41. a wide-mouth drainage wind cylinder; 42. an externally threaded connecting cylinder; 43. a protective filter screen; 44. curved sound insulation guide plate.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.

Like fig. 1 to fig. 4, the embodiment of the utility model provides a fan with noise reduction effect, including fan main part 1, the fixed cover in outside of fan main part 1 is equipped with syllable-dividing barrel 2, and the equal demountable installation in both ends of syllable-dividing barrel 2 falls the drainage dryer 4 of making an uproar, and the bottom fixed mounting of 2 lateral surfaces of syllable-dividing barrel has the installation undercarriage 3 that two symmetries set up.

Wherein, sound insulation barrel 2 includes axial fan shell 21, and the inner wall of axial fan shell 21 is fixed to bond has soundproof cotton 22, and the both ends mouth play of axial fan shell 21 has all seted up internal thread spread groove 23, and the equal fixed mounting of two installation chassis 3 is the symmetry setting in the bottom of axial fan shell 21 lateral surface.

Wherein, fan main part 1 includes driving motor 11, and driving motor 11's organism fixedly connected with three support frames 12 that the equidistance distributes, three support frames 12 all be fixed connection with the inner wall of axial fan bobbin case 21, and driving motor 11 is through three support frames 12 fixed mounting in the middle part of axial fan bobbin case 21 inner chamber, and driving motor 11's transmission shaft fixed mounting has axial fan blade 13.

Wherein, the drainage dryer 4 of making an uproar falls includes wide-mouth drainage dryer 41, the medial extremity of wide-mouth drainage dryer 41 is formed with external screw thread connecting cylinder 42 integratively, wide-mouth drainage dryer 41 is through external screw thread connecting cylinder 42 demountable installation in axial fan barrel casing 21's port department, external screw thread connecting cylinder 42 and internal thread connecting groove 23 looks adaptation, through setting up external screw thread connecting cylinder 42 and internal thread connecting groove 23, make wide-mouth drainage dryer 41 can follow axial fan barrel casing 21 and pull down, made things convenient for the maintenance and the maintenance of axial fan barrel casing 21 inner structure spare.

Wherein, the outside port department demountable installation of wide-mouth drainage dryer 41 has protection filter screen 43, and the inner wall fixed mounting of wide-mouth drainage dryer 41 has six curved sound insulation guide plates 44 that the equidistance distributes.

The working process of the utility model is as follows:

the driving motor 11 is fixedly arranged in the middle of the inner cavity of the axial flow fan cylinder shell 21 through the three supporting frames 12, the axial flow fan blades 13 are movably arranged in the inner cavity of the axial flow fan cylinder shell 21 through the driving motor 11, soundproof cotton 22 is fixedly adhered to the inner wall of the axial flow fan cylinder shell 21, and wind noise generated by high-speed rotation of the axial flow fan blades 13 can be effectively reduced through the soundproof cotton 22; wide-mouth drainage dryer 41 has six curved type sound insulation guide plates 44 that the equidistance distributes through the curved type sound insulation guide plates 44 that six equidistance distribute through the port department of axial fan shell 21 of external screw thread connecting cylinder 42 cooperation internal thread spread groove 23 demountable installation in axial fan shell 41, has both guaranteed that the air current can normally flow, the noise pollution that reduction fan operation process that also can be further produced.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a fan with noise reduction effect, includes fan main part (1), its characterized in that, the outside fixed cover of fan main part (1) is equipped with syllable-dividing barrel (2), the both ends of syllable-dividing barrel (2) all can be dismantled and install the drainage dryer (4) of making an uproar, the bottom fixed mounting of syllable-dividing barrel (2) lateral surface has installation machine foot (3) that two symmetries set up.

2. The fan with the noise reduction effect according to claim 1, wherein the sound insulation barrel (2) comprises an axial flow fan barrel shell (21), sound insulation cotton (22) is fixedly bonded to an inner wall of the axial flow fan barrel shell (21), internal thread connecting grooves (23) are respectively formed in two ports of the axial flow fan barrel shell (21), and the two mounting machine legs (3) are respectively and fixedly mounted at the bottom of the outer side surface of the axial flow fan barrel shell (21) and are symmetrically arranged.

3. The fan with the noise reduction effect according to claim 2, wherein the fan main body (1) comprises a driving motor (11), three support frames (12) are fixedly connected to a body of the driving motor (11) and are distributed at equal intervals, the three support frames (12) are fixedly connected to an inner wall of the axial flow fan barrel casing (21), the driving motor (11) is fixedly installed in the middle of an inner cavity of the axial flow fan barrel casing (21) through the three support frames (12), and an axial flow fan blade (13) is fixedly installed on a transmission shaft of the driving motor (11).

4. The fan with the noise reduction effect according to claim 2, wherein the noise reduction drainage wind pipe (4) comprises a wide-mouth drainage wind pipe (41), an external thread connecting cylinder (42) is integrally formed at the inner side end of the wide-mouth drainage wind pipe (41), and the wide-mouth drainage wind pipe (41) is detachably mounted at the port of the axial flow fan barrel shell (21) through the external thread connecting cylinder (42).

5. The fan with the noise reduction effect according to claim 4, wherein a protective filter screen (43) is detachably mounted at an outer end of the wide-mouth drainage wind cylinder (41), and six curved sound insulation guide plates (44) are fixedly mounted on an inner wall of the wide-mouth drainage wind cylinder (41) and are distributed at equal intervals.