CN219299556U

CN219299556U - Mute fan

Info

Publication number: CN219299556U
Application number: CN202223019647.8U
Authority: CN
Inventors: 黄山
Original assignee: Shenzhen Jiangshanlai Electronic Technology Co ltd
Current assignee: Shenzhen Jiangshanlai Electronic Technology Co ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-07-04
Anticipated expiration: 2032-11-11

Abstract

The utility model relates to the technical field of silent fans, in particular to a silent fan which comprises a box body, wherein a volute air duct is arranged on the inner side of the box body, a bearing motor is arranged on one side of the center of the volute air duct, a sound absorbing plate is arranged on the inner side of the box body, a double-suction type large wind wheel is arranged on one side, away from the sound absorbing plate, of the bearing motor, fan blades are circumferentially arranged on the double-suction type large wind wheel, a metal guide plate is arranged at one end of the outer edge of each fan blade, supporting legs are circumferentially arranged on the bearing motor, damping rubber pads are arranged on the supporting legs in a penetrating mode, and fixing bolts are arranged in the damping rubber pads in a penetrating mode. According to the utility model, through the support legs, the damping rubber pads and the fixing bolts, when the mute fan is used, the bearing motor is connected with the box body through the support legs, the fixing bolts and the damping rubber pads, so that the bearing motor of the mute fan is prevented from transmitting vibration to the box body when in operation, the noise of the mute fan is reduced when in operation, and the mute effect is achieved.

Description

Mute fan

Technical Field

The utility model relates to the technical field of silent fans, in particular to a silent fan.

Background

The mute fan is a product which is designed and researched by improving the process, keeping the original characteristics of large air quantity and low noise, further reducing the volume, reducing the noise, improving the energy efficiency and on the basis of the original GDF pipeline centrifugal fan case.

Through retrieving, patent publication No. CN202220719046.9 discloses a silence fan, wherein through setting up convenient device, when silence fan uses, assist silence fan, establish the position sleeve cover on the position strip, the position strip produces the constraint to position sleeve and main part, loosen the trace, the trace loses the constraint, spacing spring promotes the inserted block, the inserted block receives the guide of slide and slides, the inserted block slides and inserts in the position strip, accomplish conveniently, through setting up convenient device, assist the silence fan effectively, the ease of use of silence fan has been improved, the work load of reduction user has improved silence fan's assembly efficiency, silence fan's practicality has been improved.

At present, the stage mute fan lacks effectual damping device when using between bearing motor and the box, and then makes the bearing motor of mute fan transmit vibrations to the box easily when the operation, and then makes the noise bigger when the mute fan operates, and simultaneously, current mute fan is when the operation, and the wind wheel is mostly made of plastics, and the wind wheel is when the operation, and weight is lighter for the wind wheel can not keep stable rotational speed when the speed is lower, influences the result of use.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the mute fan, which solves the problems that the bearing motor of the mute fan is easy to transfer vibration to the box body when in operation and the noise is larger when the mute fan is in operation due to the fact that an effective damping device is lack between the bearing motor and the box body when the mute fan is in use.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a silence fan, includes the box, the box inboard is provided with the spiral case wind channel, spiral case wind channel center one side is provided with bearing motor, the box medial surface is provided with the abatvoix, bearing motor keeps away from abatvoix one side is provided with two suction type wind wheels, the annular is provided with the flabellum on the two suction type wind wheels, flabellum outward flange one end is provided with the metal guide plate, bearing motor annular is provided with the stabilizer blade, wear to be equipped with the shock attenuation rubber pad on the stabilizer blade, wear to be equipped with fixing bolt in the shock attenuation rubber pad.

As a preferable technical scheme of the utility model, the outer ring side of the volute air duct is provided with supporting feet, one end of the volute air duct is connected with the box body through a clamping groove, and one side of the outer side of the box body is provided with an air inlet pipe.

As a preferable technical scheme of the utility model, one side of the box body, which is far away from the air inlet pipe, is provided with an air outlet pipe, four corners of the box body are provided with fixed angle plates, and the lower side of the air outlet pipe is provided with a junction box.

As a preferable technical scheme of the utility model, a maintenance side plate is arranged on the outer side surface of the box body, the maintenance side plate is connected with the box body through bolts, and the air inlet pipe and the air outlet pipe are connected with the box body through bolts.

As a preferable technical scheme of the utility model, the junction box is connected with the box body through screws, and the volute air duct is connected with the inner side of the box body through the supporting legs.

As a preferable technical scheme of the utility model, the sound absorbing plate is glued with the inner side of the box body, and the volute air duct is kept at a distance of 50mm from the inner side of the box body.

As a preferable technical scheme of the utility model, the bearing motor is connected with the inner side of the box body through the fixing bolt and the damping rubber pad.

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

1. according to the utility model, through the support legs, the damping rubber pads and the fixing bolts, when the mute fan is used, the bearing motor is connected with the box body through the support legs, the fixing bolts and the damping rubber pads, so that the bearing motor of the mute fan is prevented from transmitting vibration to the box body when in operation, the noise of the mute fan is reduced when in operation, and the mute effect is achieved;

2. according to the utility model, through the double-suction type large wind wheel, the fan blades and the metal guide plates, when the mute fan operates, the outer ring edge of the wind wheel is connected through the metal guide plates, and when the wind wheel is low in speed, the fan blades can keep stable rotating speed due to the inertia effect of the metal guide plates, so that the use effect is met.

Drawings

FIG. 1 is a schematic diagram of a front view of a silent fan of the present utility model;

FIG. 2 is a schematic diagram of a main sectional structure of a silent fan of the present utility model;

fig. 3 is a schematic diagram of a front view structure of a double-suction type large wind wheel in a silent fan of the present utility model;

FIG. 4 is an enlarged schematic view of the mute fan of the present utility model at A in FIG. 3;

fig. 5 is a right cross-sectional view of a foot and a damping rubber pad in a silent fan according to the present utility model.

In the figure: 1. a case; 2. maintaining the side plates; 3. an air inlet pipe; 4. an air outlet pipe; 5. a junction box; 6. fixing the angle plate; 7. a volute air duct; 8. a bearing motor; 9. double suction type large wind wheel; 10. supporting feet; 11. a support leg; 12. a fan blade; 13. a metal deflector; 14. a damping rubber pad; 15. a fixing bolt; 16. an acoustic panel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, a silent fan comprises a box body 1, wherein a volute air duct 7 is arranged on the inner side of the box body 1, a bearing motor 8 is arranged on one side of the center of the volute air duct 7, a sound absorbing plate 16 is arranged on the inner side surface of the box body 1, a double-suction type large wind wheel 9 is arranged on one side, far away from the sound absorbing plate 16, of the bearing motor 8, a fan blade 12 is annularly arranged on the double-suction type large wind wheel 9, a metal guide plate 13 is arranged at one end of the outer edge of the fan blade 12, a supporting leg 11 is annularly arranged on the bearing motor 8, a damping rubber pad 14 is arranged on the supporting leg 11 in a penetrating mode, and a fixing bolt 15 is arranged in the damping rubber pad 14 in a penetrating mode.

In this embodiment, the outer ring side of the spiral case wind channel 7 is provided with the supporting legs 10, and spiral case wind channel 7 one end is connected through the draw-in groove with box 1, and box 1 lateral surface one side is provided with air-supply line 3, and air-supply line 3 can make outside air enter into box 1 to in entering spiral case wind channel 7 through two suction type wind wheels 9, make the air can be through the discharge of play tuber pipe 4, and supporting legs 10 can make spiral case wind channel 7 obtain stable fixed.

In this embodiment, box 1 is provided with out tuber pipe 4 far away from air-supply line 3 one side, and box 1 four corners is provided with fixed angle plate 6, and out tuber pipe 4 downside is provided with terminal box 5, can fix box 1 on wall body or floor through fixed angle plate 6, and terminal box 5 can make things convenient for external electric wire and bearing motor 8 to be connected.

In this embodiment, the outer side surface of the box body 1 is provided with a maintenance side plate 2, the maintenance side plate 2 is connected with the box body 1 through bolts, the air inlet pipe 3 and the air outlet pipe 4 are connected with the box body 1 through bolts, and the maintenance side plate 2 is opened to repair equipment on the inner side of the box body 1.

In this embodiment, terminal box 5 passes through screw connection with box 1, and spiral case wind channel 7 passes through supporting legs 10 with box 1 inboard to be connected, and spiral case wind channel 7 can make the pressurized air pass through air-out pipe 4 in time discharge, guarantees the air supply volume, and spiral case wind channel 7 can guarantee the air supply effect of two suction type big wind wheels 9.

In this embodiment, the sound absorbing plate 16 is glued to the inner side surface of the box 1, the space between the volute air duct 7 and the inner side of the box 1 is kept at 50mm, the space between the volute air duct 7 and the box 1 is kept, and then air can enter through two sides of the double-suction type large wind wheel 9, and the air output of the fan is ensured.

In this embodiment, bearing motor 8 is connected through fixing bolt 15 and damping rubber pad 14 with box 1 inboard, and bearing motor 8 provides power for the rotation of double suction formula wind wheel 9, and damping rubber pad 14 can obtain the shock attenuation processing between bearing motor 8 and the box 1, guarantees the silence effect of silence fan.

Working principle: when the novel double-suction type large wind wheel box is used, the air inlet pipe 3 is connected with an external pipeline, the air outlet pipe 4 is connected with the air supply pipe, the junction box 5 is connected with a power supply, the bearing motor 8 drives the double-suction type large wind wheel 9 to rotate, external air enters the inner side of the box body 1, air enters the double-suction type large wind wheel 9 through two sides of the volute air channel 7 and enters the volute air channel 7 under the action of the double-suction type large wind wheel 9, air is discharged through the air outlet pipe 4, the metal guide plate 13 is arranged, the double-suction type large wind wheel 9 is used for sucking air into the volute air channel 7, the air is sent into the air supply pipe through the air outlet pipe 4, the metal guide plate 13 is arranged, the double-suction type large wind wheel 9 keeps rotating at a lower rotating speed under the action of inertia, the use requirement is met, the vibration-absorbing rubber pad 14 is arranged, the bearing motor 8 can be ensured to obtain effective vibration absorption treatment, and the running noise of a mute fan is reduced.

Finally, it should be noted that: in the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a silence fan, includes box (1), its characterized in that: the novel fan is characterized in that a volute air duct (7) is arranged on the inner side of the box body (1), a bearing motor (8) is arranged on one side of the center of the volute air duct (7), a sound absorbing plate (16) is arranged on the inner side of the box body (1), the bearing motor (8) is far away from the sound absorbing plate (16), a double-suction type large wind wheel (9) is arranged on one side of the sound absorbing plate, fan blades (12) are circumferentially arranged on the double-suction type large wind wheel (9), a metal guide plate (13) is arranged at one end of the outer edge of each fan blade (12), supporting legs (11) are circumferentially arranged on the bearing motor (8), damping rubber pads (14) are arranged on the supporting legs (11) in a penetrating mode, and fixing bolts (15) are arranged in the damping rubber pads (14).

2. A silent fan according to claim 1, characterized in that: the outer ring side of the spiral case wind channel (7) is provided with supporting legs (10), one end of the spiral case wind channel (7) is connected with the box body (1) through a clamping groove, and one side of the outer side surface of the box body (1) is provided with an air inlet pipe (3).

3. A silent fan according to claim 2, characterized in that: the box (1) is kept away from air-supply line (3) one side is provided with out tuber pipe (4), box (1) four corners are provided with fixed scute (6), out tuber pipe (4) downside is provided with terminal box (5).

4. A silent fan according to claim 3, characterized in that: the novel air inlet pipe is characterized in that a maintenance side plate (2) is arranged on the outer side face of the box body (1), the maintenance side plate (2) is connected with the box body (1) through bolts, and the air inlet pipe (3) and the air outlet pipe (4) are connected with the box body (1) through screws.

5. A silent fan according to claim 3, characterized in that: the junction box (5) is connected with the box body (1) through screws, and the volute air duct (7) is connected with the inner side of the box body (1) through the supporting legs (10).

6. A silent fan according to claim 1, characterized in that: the sound absorbing plate (16) is glued with the inner side surface of the box body (1), and the volute air duct (7) is kept at a distance of 50mm from the inner side of the box body (1).

7. A silent fan according to claim 1, characterized in that: the bearing motor (8) is connected with the inner side of the box body (1) through the fixing bolt (15) and the damping rubber pad (14).