CN213928813U

CN213928813U - High-efficient hush air negative-pressure air fan

Info

Publication number: CN213928813U
Application number: CN202022599726.5U
Authority: CN
Inventors: 程聪
Original assignee: Suzhou Kunteng Energy Saving Technology Co ltd
Current assignee: Suzhou Kunteng Energy Saving Technology Co ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-08-10
Anticipated expiration: 2030-11-09

Abstract

The utility model belongs to the technical field of negative pressure fans, in particular to a high-efficiency mute type negative pressure fan, which comprises a fan frame, wherein the side surface of the fan frame is provided with four mounting blocks, the mounting blocks are provided with screw holes, the mounting blocks are provided with buffer pads, the front side and the rear side of the fan frame are provided with dust screens, the front side of the fan frame is provided with a rain shielding device, a silencing cylinder is arranged in the fan frame, a motor is arranged in the silencing cylinder, the motor is provided with fan blades through a transmission belt, the fan blades are arranged on a fixed plate, the utility model can effectively reduce the noise transmitted from the interior through a plurality of arranged sound insulation devices, can reduce the collision between the frame and the mounting position through the arranged buffer pads and the sound insulation device outside the fan frame so as to reduce the noise, and can effectively reduce the vibration of the motor and the fan blades through the arranged damping device and the damping device so as to reduce the noise, the utility model discloses simple structure, convenient operation is fit for using widely.

Description

High-efficient hush air negative-pressure air fan

Technical Field

The utility model relates to a high-efficient hush air negative-pressure air fan belongs to negative-pressure air fan technical field.

Background

The negative pressure fan discharges air outwards to reduce the indoor air pressure, the indoor air becomes thin, a negative pressure area is formed by the characteristics of the negative pressure fan, and the air flows into the room due to the air pressure difference compensation. In industrial factory building practical application, the negative pressure fan is installed in factory building one side in a concentrated manner, the air inlet is in the other side of the factory building, and air is blown in a convection manner from the air inlet to the negative pressure fan. During this process, the door or window close to the negative pressure fan is kept closed, and the forced air is compensated by the air inlet side door or window and flows into the workshop. The air is arranged in line and orderly flows into the workshop from the air inlet, flows through the workshop and is discharged out of the workshop by the negative pressure fan. The ventilation is thorough and efficient, and the ventilation rate can reach 99%. Through specific engineering design, the ventilation speed and the wind speed are designed according to needs, any high heat, harmful gas and dust smoke can be rapidly discharged out of a workshop, and any problem of poor ventilation can be thoroughly solved at one time. The ventilation effect can be achieved within a few seconds after the fan is turned on. The negative pressure fan is loose between parts after being used for a long time, a large amount of noise is easy to generate, and most of the existing negative pressure fans do not have a silencing function.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-efficient hush air negative-pressure air fan solves the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-efficient hush air negative-pressure air fan, includes the fan frame, fan frame side is equipped with four installation pieces, be equipped with the screw on the installation piece, be equipped with the blotter on the installation piece, both sides are equipped with the dust screen around the fan frame, the preceding rain device that hides that is equipped with of fan frame, be equipped with the hush cylinder in the fan frame, be equipped with the motor in the hush cylinder, the motor is equipped with the flabellum through driving belt, the flabellum sets up on the fixed plate.

Preferably, the rain shielding device comprises a waterproof board, the waterproof board is arranged on the front side of the fan frame, a plurality of downward-inclined rain shielding boards are arranged on the waterproof board, and the rain shielding boards are rotatably connected with the waterproof board.

Preferably, the buffer pad is arranged on the back of the mounting block, and the buffer pad is fixedly connected with the mounting block.

Preferably, the silencing barrel is arranged on one side of the bottom end of the fan frame and is fixedly connected with the fan frame.

Preferably, the motor is arranged in the silencing barrel through a fixing block, and the motor is fixedly connected with the fixing block.

Preferably, the fixed block is arranged in the silencing barrel through a damping device, and the fixed block is fixedly connected with the damping device.

Preferably, the fan blades are fixedly connected with a fixing plate, and the fixing plate is fixedly connected with the fan frame through a damping device.

Preferably, the outer side of the frame, the inner wall of the frame and the inner wall of the silencing barrel are provided with sound insulation devices, and the sound insulation devices are made of polyurethane materials.

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

the utility model belongs to the technical field of negative-pressure air fan, specifically disclose a high-efficient hush air negative-pressure air fan, the utility model discloses a noise that spreads from inside can effectively be slowed down to a plurality of noise insulation of setting, thereby the collision noise reduction that can slow down frame and mounted position through the blotter of setting and the noise insulation in the fan frame outside, thereby damping device and the damping device through setting can effectively reduce the vibrations noise reduction of motor and flabellum, the utility model discloses simple structure, convenient operation is fit for using widely.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a left side view of the present invention;

fig. 3 is a schematic side view of the present invention;

in the figure: 1. a fan frame; 2. mounting blocks; 3. a screw hole; 4. a cushion pad; 5. a dust screen; 6. a rain shielding device; 7. a silencing barrel; 8. a motor; 9. a drive belt; 10. a fan blade; 11. a fixing plate; 12. a waterproof sheet; 13. a flashing; 14. a fixed block; 15. a damping device; 16. a damping device; 17. an acoustic insulator.

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.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a high-efficient hush air negative-pressure air fan, includes fan frame 1, fan frame 1 side is equipped with four installation pieces 2, be equipped with screw 3 on the installation piece 2, be equipped with blotter 4 on the installation piece 2, both sides are equipped with dust screen 5 around the fan frame 1, fan frame 1 is preceding to be equipped with hides rain device 6, be equipped with hush air cylinder 7 in the fan frame 1, hush air cylinder 7 is equipped with motor 8, motor 8 is equipped with flabellum 10 through driving belt 9, flabellum 10 sets up on fixed plate 11.

Further, the rain shielding device 6 comprises a waterproof board 12, the waterproof board 12 is arranged on the front surface of the fan frame 1, a plurality of downward-inclined rain shielding boards 13 are arranged on the waterproof board 12, and the rain shielding boards 13 are rotatably connected with the waterproof board 12.

Further, the buffer pad 4 is arranged on the back of the mounting block 2, and the buffer pad 4 is fixedly connected with the mounting block 2.

Further, the silencing barrel 7 is arranged on one side of the bottom end of the fan frame 1, and the silencing barrel 7 is fixedly connected with the fan frame 1.

Further, the motor 8 is arranged in the silencing barrel 7 through a fixing block 14, and the motor 8 is fixedly connected with the fixing block 14.

Further, the fixed block 14 is arranged in the silencing pot 7 through a damping device 15, and the fixed block 14 is fixedly connected with the damping device 15.

Further, the fan blades 10 are fixedly connected with a fixing plate 11, and the fixing plate 11 is fixedly connected with the fan frame 1 through a damping device 16.

Further, sound insulation devices 17 are arranged on the outer side of the fan frame 1, the inner wall of the fan frame 1 and the inner wall of the silencing barrel 7, and the sound insulation devices 17 are made of polyurethane materials.

The working principle is as follows: the utility model relates to a high-efficient silence type negative-pressure air fan, pass screw 3 during the installation and fix the fan at the mounted position through the screw, the screw is not hard up after long-time the use, thereby the mounting block 2 easily produces the collision with the mounted position and forms the noise source, thereby install blotter 4 on mounting block 2 and can slow down the collision noise abatement of mounting block 2 and mounted position, during the use, starter motor 8, motor 8 carries out work through driving belt 9 drive flabellum 10, damping device 15 can effectively reduce the vibrations that motor 8 during operation produced, damping device can reduce the unusual vibrations that flabellum 10 produced at the during operation, in addition, noise damping section of thick bamboo 7 and the noise that sound-proof device 17 of frame inner wall can produce with effective absorption equipment, the utility model discloses simple structure, convenient operation is fit for using widely.

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

1. The utility model provides a high-efficient hush air negative pressure fan which characterized in that: including fan frame (1), fan frame (1) side is equipped with four installation pieces (2), be equipped with screw (3) on installation piece (2), be equipped with blotter (4) on installation piece (2), both sides are equipped with dust screen (5) around fan frame (1), fan frame (1) is preceding to be equipped with hides rain device (6), be equipped with hush tube (7) in fan frame (1), be equipped with motor (8) in hush tube (7), motor (8) are equipped with flabellum (10) through driving belt (9), flabellum (10) set up on fixed plate (11).

2. The efficient mute type negative pressure fan according to claim 1, characterized in that: the rain shielding device (6) comprises a waterproof plate (12), the waterproof plate (12) is arranged on the front surface of the fan frame (1), the waterproof plate (12) is provided with a plurality of rain shielding plates (13) which incline downwards, and the rain shielding plates (13) are rotatably connected with the waterproof plate (12).

3. The efficient mute type negative pressure fan according to claim 1, characterized in that: the buffer pad (4) is arranged on the back of the mounting block (2), and the buffer pad (4) is fixedly connected with the mounting block (2).

4. The efficient mute type negative pressure fan according to claim 1, characterized in that: the silencing barrel (7) is arranged on one side of the bottom end of the fan frame (1), and the silencing barrel (7) is fixedly connected with the fan frame (1).

5. The efficient mute type negative pressure fan according to claim 1, characterized in that: the motor (8) is arranged in the silencing barrel (7) through a fixing block (14), and the motor (8) is fixedly connected with the fixing block (14).

6. The efficient mute type negative pressure fan according to claim 5, wherein: the fixed block (14) is arranged in the silencing barrel (7) through a damping device (15), and the fixed block (14) is fixedly connected with the damping device (15).

7. The efficient mute type negative pressure fan according to claim 1, characterized in that: the fan blade (10) is fixedly connected with the fixing plate (11), and the fixing plate (11) is fixedly connected with the fan frame (1) through the damping device (16).

8. The efficient mute type negative pressure fan according to claim 1, characterized in that: and sound insulation devices (17) are arranged on the outer side of the fan frame (1), the inner wall of the fan frame (1) and the inner wall of the silencing barrel (7), and the sound insulation devices (17) are made of polyurethane materials.