CN215490171U

CN215490171U - Noise reduction structure for wall-mounted fresh air machine

Info

Publication number: CN215490171U
Application number: CN202120059309.3U
Authority: CN
Inventors: 陈亚均
Original assignee: Shenzhen Zhongdian South China Purification Technology Co ltd
Current assignee: Shenzhen Zhongdian South China Purification Technology Co ltd
Priority date: 2021-01-11
Filing date: 2021-01-11
Publication date: 2022-01-11
Anticipated expiration: 2031-01-11

Abstract

The utility model belongs to the technical field of wall-mounted fresh air fans, and particularly relates to a noise reduction structure for a wall-mounted fresh air fan, aiming at the problems that the existing fresh air fan has no proper noise reduction function, can not filter dust in air, and can not meet the use requirement, the utility model provides a scheme that the noise reduction structure comprises a fan pipe, an air inlet pipe is connected to the outer side of the fan pipe, the air inlet pipe is of a rectangular structure, a filter screen is arranged in the air inlet pipe, a medium-efficiency filter is arranged in the air inlet pipe, a baffle ring is arranged in the fan pipe, noise reduction cotton is arranged in the fan pipe, the noise reduction cotton is positioned at the top of the baffle ring, a high-efficiency filter is arranged at the top opening of the fan pipe, the inner wall of the noise reduction cotton is of a sawtooth structure, U-shaped strips are fixedly arranged on the inner walls of the top and the bottom of the air inlet pipe, and the filter screen is connected with the two U-shaped strips in a sliding manner. The utility model can effectively carry out noise reduction and silencing, can filter dust in the air and can meet the use requirement.

Description

Noise reduction structure for wall-mounted fresh air machine

Technical Field

The utility model relates to the technical field of wall-mounted fresh air fans, in particular to a noise reduction structure for a wall-mounted fresh air fan.

Background

The fresh air machine is an effective air purification device, can make the room air produce the circulation, and on the one hand the dirty air in room is discharged outdoors, and on the other hand carries out measures such as sterilization, disinfection, filtration to outdoor fresh air, imports indoor again, lets in the room be fresh clean air at every moment, and the fresh air machine produces the noise at the during operation, influences life and operational environment.

The existing fresh air machine does not have a proper silencing and noise reducing function, can not filter dust in air, and can not meet the use requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that the existing fresh air fan does not have proper silencing and noise reducing functions, cannot filter dust in air and cannot meet the use requirement, and provides a silencing and noise reducing structure for a wall-mounted fresh air fan.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a structure of making an uproar falls in amortization for hanging new fan, includes the fan pipe, and the outside of fan pipe is connected with the air-supply line, and the air-supply line is the rectangle structure, is provided with the filter screen in the air-supply line, is provided with well effect filter in the air-supply line, is provided with in the fan pipe and keeps off the ring, is provided with the amortization cotton in the fan pipe, and the amortization cotton is located the top that keeps off the ring, and the top mouth of fan pipe is provided with high efficiency filter, and the cotton inner wall of amortization is the sawtooth structure.

Preferably, the air inlet pipeline is provided with U-shaped strips on the inner wall of the top and the inner wall of the bottom, and the filter screen is connected with the two U-shaped strips in a sliding manner.

Preferably, the outside fixedly connected with mounting bar of filter screen, the outside of mounting bar is provided with the handle, has seted up the rectangular hole on the intake stack, filter screen and rectangular hole swing joint.

Preferably, the outside fixed mounting of intake stack has two locating levers, has seted up two constant head tanks on the mounting bar, two locating levers and two constant head tanks swing joint.

Preferably, the outside fixed mounting of intake stack has two button head poles, and the dovetail groove has all been seted up to one side that two button head poles are close to each other, has seted up two recesses on the mounting bar, and equal fixed mounting has trapezoidal head on the inner wall of two recesses, trapezoidal head and the dovetail groove joint that corresponds, and the button head pole has elasticity.

Compared with the prior art, the utility model has the advantages that:

(1) according to the scheme, air enters the fan pipe through the air inlet pipeline, the arranged filter screen can filter the air, the pollution to the inside of the fan pipe is avoided, when the filter screen needs to be disassembled, the mounting bar is pulled to move through the handle, the mounting bar drives the two trapezoidal heads to move, the trapezoidal heads extrude the round-head rods to deform, the fixing of the mounting bar can be removed, the filter screen can be disassembled, the cleaning is convenient, and during the installation, the mounting bar can be fixed only by installing the filter screen and matching the round-head rods with the trapezoidal heads;

(2) the silencing cotton inner wall can improve the silencing effect for the sawtooth setting.

The utility model can effectively carry out noise reduction and silencing, can filter dust in the air and can meet the use requirement.

Drawings

Fig. 1 is a schematic structural diagram of a noise reduction structure for a wall-mounted fresh air fan according to the present invention;

fig. 2 is a schematic view of the internal structure of an air inlet duct and a filter screen of a noise reduction structure for a wall-mounted fresh air blower according to the present invention;

fig. 3 is a schematic structural diagram of a part a of a noise reduction structure for a wall-mounted fresh air fan according to the present invention;

fig. 4 is a schematic structural diagram of an air inlet duct, a mounting bar and a handle of a noise reduction structure for a wall-mounted fresh air blower according to the present invention.

In the figure: 1. a fan duct; 2. an air inlet pipeline; 3. u-shaped strips; 4. a filter screen; 5. a medium-efficiency filter; 6. a baffle ring; 7. silencing cotton; 8. a high efficiency filter; 9. mounting a bar; 10. a handle; 11. a groove; 12. a trapezoidal head; 13. a round head bar; 14. positioning a groove; 15. and (5) positioning the rod.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Example one

Referring to fig. 1-4, a noise reduction structure for a wall-mounted fresh air fan comprises a fan pipe 1, an air inlet pipeline 2 is connected to the outer side of the fan pipe 1, the air inlet pipeline 2 is of a rectangular structure, a filter screen 4 is arranged in the air inlet pipeline 2, a middle-effect filter 5 is arranged in the air inlet pipeline 2, a baffle ring 6 is arranged in the fan pipe 1, noise reduction cotton 7 is arranged in the fan pipe 1, the noise reduction cotton 7 is located at the top of the baffle ring 6, a high-efficiency filter 8 is arranged at the top opening of the fan pipe 1, and the inner wall of the noise reduction cotton 7 is of a sawtooth structure.

In this embodiment, all install U type strip 3 through welded fastening on the top inner wall of intake stack 2 and the bottom inner wall, filter screen 4 and two 3 sliding connection of U type strips.

In this embodiment, the outside of filter screen 4 is through screw fixed connection with mounting bar 9, and the outside of mounting bar 9 is provided with handle 10, has seted up the rectangular hole on the intake stack 2, filter screen 4 and rectangular hole swing joint.

In this embodiment, two locating levers 15 are installed through welded fastening in the outside of intake stack 2, have seted up two constant head tanks 14 on the mounting bar 9, two locating levers 15 and two constant head tanks 14 swing joint.

In this embodiment, two round head rods 13 are installed in the outside of intake stack 2 through welded fastening, and the dovetail groove has all been seted up to one side that two round head rods 13 are close to each other, has seted up two recess 11 on the mounting bar 9, all installs trapezoidal head 12 through welded fastening on two recess 11's the inner wall, trapezoidal head 12 and the dovetail groove joint that corresponds, round head rod 13 has elasticity.

Example two

In this embodiment, equal fixed mounting has U type strip 3 on intake stack 2's the top inner wall and the bottom inner wall, filter screen 4 and two 3 sliding connection of U type strip, and two U type strips 3 can support filter screen 4.

In this embodiment, the outside fixedly connected with mounting bar 9 of filter screen 4, the outside of mounting bar 9 is provided with handle 10, has seted up the rectangular hole on the intake stack 2, filter screen 4 and rectangular hole swing joint, and filter screen 4 can filter the dust of outside air.

In this embodiment, two locating levers 15 of the outside fixed mounting of intake stack 2, seted up two constant head tanks 14 on the mounting bar 9, two locating levers 15 and two constant head tanks 14 swing joint set up locating lever 15 and constant head tank 14 cooperation and can fix a position mounting bar 9.

In this embodiment, two round head poles 13 of outside fixed mounting of intake stack 2, the dovetail groove has all been seted up to one side that two round head poles 13 are close to each other, has seted up two recesses 11 on the mounting bar 9, and equal fixed mounting has trapezoidal head 12 on two recesses 11's the inner wall, trapezoidal head 12 and the dovetail groove joint that corresponds, round head pole 13 have elasticity, and trapezoidal head 12 gets into the dovetail groove and can be connected mounting bar 9 and intake stack 2.

In this embodiment, during the use, the air passes through in the intake stack 2 gets into fan pipe 1, the filter screen 4 of setting can filter the air, avoid causing the pollution to fan pipe 1 inside, the cotton 7 inner walls of amortization can improve the noise cancelling effect for the sawtooth setting, when needing to dismantle filter screen 4, stimulate mounting bar 9 through handle 10 and remove, mounting bar 9 drives two trapezoidal head 12 and removes, trapezoidal head 12 extrudes button head pole 13 and takes place deformation, can relieve the fixed to mounting bar 9, can dismantle filter screen 4, convenient clearance, during the installation, only need install filter screen 4, can be fixed mounting bar 9 through the cooperation of button head pole 13 and trapezoidal head 12, all structures in this application all can carry out the selection of material and length according to the in-service use condition, the attached drawing is the schematic structure picture, concrete actual dimension can make appropriate adjustment.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. The utility model provides a structure of making an uproar falls in amortization for hanging new fan, includes fan pipe (1), and the outside of fan pipe (1) is connected with air-supply line (2), its characterized in that, air-supply line (2) are the rectangle structure, are provided with filter screen (4) in air-supply line (2), are provided with well effect filter (5) in air-supply line (2), are provided with in fan pipe (1) and keep off ring (6), are provided with amortization cotton (7) in fan pipe (1), and amortization cotton (7) are located the top of keeping off ring (6), and the top mouth of fan pipe (1) is provided with high efficiency filter (8), and the inner wall of amortization cotton (7) is the sawtooth structure.

2. The noise reduction structure for the wall-mounted fresh air fan according to claim 1, wherein the top inner wall and the bottom inner wall of the air inlet pipeline (2) are fixedly provided with U-shaped strips (3), and the filter screen (4) is slidably connected with the two U-shaped strips (3).

3. The noise reduction structure for the wall-mounted fresh air fan according to claim 1, wherein a mounting bar (9) is fixedly connected to the outer side of the filter screen (4), a handle (10) is arranged on the outer side of the mounting bar (9), a rectangular hole is formed in the air inlet pipeline (2), and the filter screen (4) is movably connected with the rectangular hole.

4. The noise reduction structure for the wall-mounted fresh air blower according to claim 1, wherein two positioning rods (15) are fixedly mounted on the outer side of the air inlet pipeline (2), two positioning grooves (14) are formed in the mounting strip (9), and the two positioning rods (15) are movably connected with the two positioning grooves (14).

5. The noise reduction structure for the wall-mounted fresh air fan is characterized in that two round-head rods (13) are fixedly mounted on the outer side of the air inlet pipeline (2), trapezoidal grooves are formed in one sides, close to each other, of the two round-head rods (13), two grooves (11) are formed in the mounting strip (9), trapezoidal heads (12) are fixedly mounted on the inner walls of the two grooves (11), the trapezoidal heads (12) are clamped with the corresponding trapezoidal grooves, and the round-head rods (13) have elasticity.