CN219197674U

CN219197674U - Noise-reducing ventilator

Info

Publication number: CN219197674U
Application number: CN202223426791.3U
Authority: CN
Inventors: 李树海
Original assignee: Haishuo Environmental Protection Technology Shandong Co ltd
Current assignee: Haishuo Environmental Protection Technology Shandong Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-06-16
Anticipated expiration: 2032-12-21

Abstract

The utility model discloses a noise-reducing ventilator which comprises an inner shell, wherein the surface of the inner shell is fixedly connected with an outer shell, a clamping cavity is formed between the outer side wall of the inner shell of the inner wall of the outer shell, sound-absorbing cotton is arranged in the clamping cavity, a motor is fixed on one side of the inner part of the inner shell, a rotating shaft is fixed at the driving end of the motor, a connecting sleeve is fixedly connected with the surface of one end, far away from the motor, of the rotating shaft, and a plurality of fan blades are fixedly arranged on the surface of the connecting sleeve. According to the utility model, the inner shell and the outer shell are arranged, the clamping cavity is formed between the inner shell and the outer shell, sound absorbing cotton is arranged in the clamping cavity, and the inner shell adopts the mute pure copper motor to drive the fan blades to rotate, so that the mute effect of the ventilator is improved. Secondly, the motor rotating shaft is fixedly connected with the connecting sleeve through the magnet, and the fan blade is fixed on the surface of the connecting sleeve, so that the fan blade can be easily detached from the rotating shaft together with the connecting sleeve, and the fan blade can be conveniently detached and cleaned.

Description

Noise-reducing ventilator

Technical Field

The utility model relates to the technical field of ventilation fans, in particular to a noise-reducing ventilation fan.

Background

The ventilating fan is used to drive the fan blade to rotate to drive the air flow, so that the indoor and outdoor air exchange is realized.

The existing ventilator has a grid structure at one side of an air inlet, the grid is exposed at an indoor installation position after the installation is completed, the appearance is not attractive, and the noise of the existing ventilator can reach more than 60 dB during working, so that the existing ventilator has the defect of large noise generally, and the noise-reducing ventilator is provided.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a noise-reducing ventilator.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a scavenger fan of making an uproar falls, includes the inner shell body, inner shell body surface fixedly connected with shell body, form between the outer lateral wall of outer shell body inner wall inner shell body, and press from both sides the intracavity portion and be equipped with and inhale the sound cotton, inner shell body inside one side is fixed with the motor, and the motor drive end is fixed with the pivot, the fixed surface that motor one end was kept away from to the pivot has the adapter sleeve, adapter sleeve fixed surface has a plurality of flabellum, inner shell body and outer shell body outside and keep away from motor one side and are equipped with the decorative board, the decorative board is close to inner shell body one side and is fixed with two connecting rods, two the connecting rod other end is fixed with the filter screen, outer shell body upper surface and lower surface all are fixed with fixed cover, decorative board top and bottom all are fixed with the installation pole of fixed cover connection, the clamping hole has been seted up to outer shell body one side is kept away from to the fixed cover, the installation pole is located the one end of fixed cover and is close to clamping hole one side and is equipped with joint structure.

Further, the inner shell is fixedly connected with the outer shell through bolts, so that the outer shell and the inner shell can clamp the middle sound-absorbing cotton, and noise generated by rotation of the fan blades can be absorbed through the sound-absorbing cotton.

Furthermore, magnets are fixed on the inner wall of the connecting sleeve and one end of the rotating shaft, which is positioned in the connecting sleeve, and the connecting sleeve is fixedly connected with the rotating shaft through the magnets, so that the connecting sleeve can be easily detached from the rotating shaft.

Further, the key slot is formed in the inner wall of the connecting sleeve, the convex rib clamped with the key slot is fixed on the surface of the rotating shaft, and the convex rib and the key slot can be clamped to transmit torque, so that the fan blade can be driven to rotate after the motor rotates.

Further, the filter screen is located inside the inner shell, and dust can be prevented from entering the ventilator through the filter screen.

Further, the joint structure is including seting up in the recess on installation pole surface, the recess inner wall is fixed with the spring, the spring other end is fixed with the latch, spring one end and draw-in hole block are kept away from to the latch, through the block of latch and draw-in hole for the installation pole can be fixed in fixed cover inside fast, realizes the fixed connection between decorative board and the shell body from this, presses the latch and breaks away from with the draw-in hole when dismantling, can separate installation pole and fixed cover, realizes the dismantlement of decorative board promptly.

Furthermore, the latch is inclined at one end far away from the spring, so that the latch is easier to clamp into the fixing sleeve.

The utility model has the beneficial effects that:

1. when the ventilator is used, the inner shell and the outer shell are arranged, the clamping cavity is formed between the inner shell and the outer shell, sound absorbing cotton is arranged in the clamping cavity, and the inner shell adopts the mute pure copper motor to drive the fan blades to rotate, so that the mute effect of the ventilator is improved. Secondly, the motor rotating shaft is fixedly connected with the connecting sleeve through the magnet, and the fan blade is fixed on the surface of the connecting sleeve, so that the fan blade can be easily detached from the rotating shaft together with the connecting sleeve, and the fan blade can be conveniently detached and cleaned.

2. When the air inlet of the ventilator is used, the decorative plate is arranged on one side of the air inlets of the inner shell and the outer shell, the decorative plate is quickly and fixedly connected with the outer shell through the mounting rod, and the dustproof net is fixed on one side of the decorative plate, which is close to the inner shell, and the dustproof net is positioned in the inner shell, so that the air inlet of the ventilator can be shielded through the decorative plate, the attractive appearance of the ventilator is improved, and the decorative plate is detached when the dustproof net needs to be cleaned through connecting the dustproof net with the decorative plate, so that the ventilator is simpler and more convenient.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a side cross-sectional view of the present utility model;

FIG. 3 is an enlarged view of the utility model at A;

fig. 4 is an enlarged view of the utility model at B.

Legend description:

1. an inner housing; 2. an outer housing; 3. sound absorbing cotton; 4. a motor; 5. a rotating shaft; 6. connecting sleeves; 7. a fan blade; 8. a magnet; 9. a key slot; 10. a rib; 11. a decorative plate; 12. a connecting rod; 13. a filter screen; 14. a fixed sleeve; 15. a mounting rod; 16. a clamping hole; 17. a groove; 18. a spring; 19. and (5) clamping teeth.

Detailed Description

As shown in fig. 1-4, relate to a noise reduction ventilator, including inner casing 1, inner casing 1 fixed surface is connected with shell body 2, form the clamp chamber between the shell body 1 lateral wall in shell body 2 inner wall, and press from both sides the intracavity portion and be equipped with inhale the sound cotton 3, inner casing 1 inside one side is fixed with motor 4, and motor 4 drive end is fixed with pivot 5, the fixed surface that the motor 4 was kept away from to pivot 5 has connect adapter sleeve 6, adapter sleeve 6 fixed surface has a plurality of flabellum 7, inner casing 1 and shell body 2 outside and keep away from motor 4 one side and be equipped with decorative board 11, decorative board 11 is close to inner casing 1 one side and is fixed with two connecting rods 12, two connecting rod 12 other ends are fixed with filter screen 13, shell body 2 upper surface and lower surface all are fixed with fixed cover 14, decorative board 11 top and bottom all are fixed with the installation pole 15 that is connected with fixed cover 14, fixed cover 14 is seted up from shell body 2 one side 16, one side that installation pole 15 is located the fixed cover 14 and is close to clamping hole 16 one side is equipped with the joint structure. The inner shell 1 and the outer shell 2 are fixedly connected through bolts, so that the outer shell 2 and the inner shell 1 can clamp the middle sound-absorbing cotton 3, and noise generated by rotation of the fan blades 7 can be absorbed through the sound-absorbing cotton 3.

As shown in fig. 2 and 3, magnets 8 are fixed on the inner wall of the connecting sleeve 6 and one end of the rotating shaft 5, which is positioned in the connecting sleeve 6, and the connecting sleeve 6 and the rotating shaft 5 are fixedly connected through the magnets 8, so that the connecting sleeve 6 can be easily detached from the rotating shaft 5. The inner wall of the connecting sleeve 6 is provided with a key slot 9, the surface of the rotating shaft 5 is fixedly provided with a convex rib 10 clamped with the key slot 9, and the convex rib 10 can be clamped with the key slot 9 to transmit torque, so that the fan blade 7 can be driven to rotate after the motor 4 rotates.

As shown in fig. 2, the filter screen 13 is located inside the inner housing 1, and the filter screen 13 can prevent dust from entering the inside of the ventilator.

As shown in fig. 2 and 4, the clamping structure comprises a groove 17 formed in the surface of the mounting rod 15, a spring 18 is fixed on the inner wall of the groove 17, a latch 19 is fixed on the other end of the spring 18, and one end, away from the spring 18, of the latch 19 is clamped with the clamping hole 16. The latch 19 is kept away from the one end of spring 18 and is the inclined plane design, through the block of latch 19 and draw-in groove 16 for installation pole 15 can be fixed in fixed cover 14 inside fast, realizes the fixed connection between decorative board 11 and the shell body 2 from this, presses latch 19 and draw-in groove 16 to break away from during the dismantlement, can separate installation pole 15 and fixed cover 14, realizes the dismantlement of decorative board 11 promptly.

When in use, the utility model is characterized in that: the mute pure copper motor 4 drives the connecting sleeve 6 and the fan blades 7 to rotate through the rotating shaft 5, indoor air is sucked into the ventilating fan from gaps between the decorative plate 11 and the outer shell 2 and between the indoor air and the inner shell 1, and is discharged out of the room from the other end of the ventilating fan, so that ventilation is realized, and noise generated by rotation of the fan blades 7 can be absorbed by the sound absorbing cotton 3 between the outer shell 2 and the inner shell 1, so that a noise reduction effect is further played. When the fan blades 7 and the filter screen 13 need to be cleaned, the clamping teeth 19 on the two mounting rods 15 are pressed to be separated from the clamping holes 16 on the fixed sleeve 14, the mounting rods 15 can be pulled out of the fixed sleeve 14 at the moment, the disassembly of the decorative plate 11 is realized, the filter screen 13 can be disassembled along with the decorative plate 11 along with the disassembly of the decorative plate 11, and the connecting sleeve 6 is pulled out of the rotating shaft 5 by force when the fan blades 7 are disassembled.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a noise reduction scavenger fan which characterized in that: comprises an inner shell (1), wherein the surface of the inner shell (1) is fixedly connected with an outer shell (2), a clamping cavity is formed between the outer side walls of the inner shell (1) of the inner wall of the outer shell (2), and the inside of the clamping cavity is provided with sound absorbing cotton (3), one side of the inside of the inner shell (1) is fixed with a motor (4), and a rotating shaft (5) is fixed at the driving end of the motor (4), a connecting sleeve (6) is fixedly connected with the surface of one end of the rotating shaft (5) far away from the motor (4), a plurality of fan blades (7) are fixed on the surface of the connecting sleeve (6), a decorative plate (11) is arranged at one side of the outer shell (2) and the outer shell (1) away from the motor (4), two connecting rods (12) are fixed on one side of the decorative plate (11) close to the inner shell (1), a filter screen (13) is fixed on the other end of each connecting rod (12), the upper surface and the lower surface of the outer shell (2) are both fixed with a fixed sleeve (14), the top end and the bottom end of the decorative plate (11) are respectively fixed with a mounting rod (15) connected with a fixing sleeve (14), a clamping hole (16) is arranged on one side of the fixed sleeve (14) far away from the outer shell (2), the mounting rod (15) is positioned at one end in the fixed sleeve (14) and is provided with a clamping structure at one side close to the clamping hole (16).

2. A noise reducing ventilator according to claim 1, wherein: the inner shell (1) is fixedly connected with the outer shell (2) through bolts.

3. A noise reducing ventilator according to claim 1, wherein: the inner wall of the connecting sleeve (6) and one end of the rotating shaft (5) positioned in the connecting sleeve (6) are both fixedly provided with magnets (8), and the connecting sleeve (6) is fixedly connected with the rotating shaft (5) through the magnets (8).

4. A noise reducing ventilator according to claim 1, wherein: the inner wall of the connecting sleeve (6) is provided with a key slot (9), and the surface of the rotating shaft (5) is fixedly provided with a convex rib (10) which is clamped with the key slot (9).

5. A noise reducing ventilator according to claim 1, wherein: the filter screen (13) is positioned inside the inner shell (1).

6. A noise reducing ventilator according to claim 1, wherein: the clamping structure comprises a groove (17) formed in the surface of the mounting rod (15), a spring (18) is fixed on the inner wall of the groove (17), a clamping tooth (19) is fixed on the other end of the spring (18), and one end, far away from the spring (18), of the clamping tooth (19) is clamped with the clamping hole (16).

7. The noise reducing ventilator of claim 6, wherein: one end of the latch (19) far away from the spring (18) is designed into an inclined plane.