CN217713099U

CN217713099U - Air inlet and outlet spinning device of jet fan

Info

Publication number: CN217713099U
Application number: CN202221331740.XU
Authority: CN
Inventors: 胡云林
Original assignee: Shandong Huanao Ventilation Equipment Co ltd
Current assignee: Shandong Huanao Ventilation Equipment Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-11-01
Anticipated expiration: 2032-05-31

Abstract

The utility model discloses a jet fan air inlet, air-out spinning device, including casing and lag, a plurality of spouts have been seted up to surrounding type array on the casing, and surrounding type array is provided with the stopper of a plurality of adaptations in the spout on the lag inner wall, and the lag is through stopper and the spout vertical slip of setting on the casing outer wall, and the fixed cover that has connect on the lag outer wall has inhaled the sound cotton cover, and the fixed cover that has connect on inhaling the sound cotton cover outer wall has the acoustic celotex board, and surrounding type array is provided with a plurality of auxiliary connection devices on the acoustic celotex board outer wall. The utility model discloses in, can absorb the noise and fall the noise through the cotton cover of inhaling of sound that sets up and acoustic celotex board, and the lag vertically slides on the casing outer wall through stopper and the spout that sets up, so can establish the lag cover on the casing fast, and through the supplementary connecting device who sets up to make lag and casing fixed, at the lag, inhale the cotton cover of sound and acoustic celotex board and take place to be convenient for dismantle and change when damaging.

Description

Air inlet and outlet spinning device of jet fan

Technical Field

The utility model relates to a jet fan technical field specifically is a jet fan air inlet, air-out spinning device.

Background

The jet fan is a special axial flow fan, is mainly used in longitudinal ventilation systems of tunnels such as highways, railways, subways and the like, and provides all thrust; the device can also be used for a semi-transverse ventilation system or a transverse ventilation system, and sensitive parts in a wind system, such as an inlet and an outlet of a tunnel, have the functions of inducing airflow or discharging smoke and the like.

In the prior art, an inlet and an outlet of a jet fan are on the same axis, when a motor in the middle of a jet fan shell drives a fan blade to rotate, airflow enters from the inlet, then flows towards the outlet in a straight flowing track and is finally discharged from the outlet, strong noise is generated when the airflow flows, and the environment is polluted by the large noise.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a jet fan air inlet, air-out spinning device to solve the problem that great noise can cause the pollution to the environment.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a jet fan air inlet, air-out spinning device, includes casing and lag, a plurality of spouts have been seted up to surrounding type array on the casing, surrounding type array is provided with the stopper of a plurality of adaptations in the spout on the lag inner wall, the lag is through stopper and the spout vertical slip that sets up on the casing outer wall, the fixed cover that has connect on the lag outer wall has inhaled the sound cotton cover, the fixed cover that has connect on inhaling the sound cotton cover outer wall has the acoustic celotex board, surrounding type array is provided with a plurality of auxiliary connection devices on the acoustic celotex board outer wall to it is fixed with the casing to make the lag.

Further, supplementary connecting device includes locating lever and reset spring, first spacing hole has been seted up on the casing, the spacing hole of second has been seted up on the protective sheath, inhale and seted up the spacing hole of third on the cotton cover of sound, the spacing hole of fourth has been seted up on the acoustic celotex board, locating lever one end passes spacing hole of fourth, the spacing hole of third, the spacing hole of second and first spacing hole in proper order, fixedly connected with reset spring on the locating lever outer wall, just the reset spring other end and acoustic celotex board outer wall fixed connection.

Further, the cross section of the sliding groove is of a T-shaped structure.

Furthermore, the cross section of the limiting block is of a T-shaped structure.

Furthermore, the positioning rod is of a T-shaped structure.

Furthermore, the sound-absorbing cotton cover can adopt glass fiber sound-absorbing cotton and polyester fiber sound-absorbing cotton.

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

the utility model discloses in, can absorb the noise and fall and make an uproar through the cotton cover of inhaling of setting and acoustic celotex board, two-layer sound-absorbing structure can guarantee to inhale the sound noise reduction effect in the at utmost, and the lag vertical slip on the casing outer wall through stopper and the spout that sets up, so can establish the lag cover on the casing fast, and through the supplementary connecting device who sets up to make lag and casing fixed, at the lag, inhale the cotton cover of sound and acoustic celotex board and be convenient for dismantle and change when taking place to damage.

Drawings

FIG. 1 is a schematic view of an elevation sectional structure of an air inlet and outlet spinning device of a jet fan;

FIG. 2 is a schematic cross-sectional front view of a spinning device for air inlet and outlet of a jet fan;

fig. 3 is a schematic front sectional view of an air inlet and outlet spinning device of a jet fan.

In the figure: 10. a housing; 11. a protective sleeve; 12. a chute; 13. a limiting block; 14. a sound-absorbing cotton cover; 15. a sound insulating panel; 20. positioning a rod; 21. a return spring; 22. a first limit hole; 23. a second limiting hole; 24. a third limiting hole; 25. and a fourth limiting hole.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

in this scheme, for making the noise that produces when avoiding the air current to flow causes the pollution to the environment, a plurality of spouts 12 have been seted up to surrounding type array on the casing 10, surrounding type array is provided with a plurality of adaptations in the stopper 13 of spout 12 on 11 inner walls of lag, lag 11 is through stopper 13 and the vertical slip of spout 12 on the casing 10 outer wall that sets up, it has inhaled sound cotton cover 14 to fix the cover on 11 outer walls of lag, inhale fixed acoustic celotex board 15 that has cup jointed on the cotton cover 14 outer wall of sound, surrounding type array is provided with a plurality of supplementary connecting device on the acoustic celotex board 15 outer wall, so that lag 11 is fixed with casing 10.

Inhale cotton cover 14 of sound and acoustic celotex board 15 through setting up and can absorb the noise and fall and make an uproar, two-layer sound structure of inhaling can guarantee to inhale the sound noise reduction effect in the at utmost, and lag 11 vertical slip on casing 10 outer wall through stopper 13 and the spout 12 that sets up, so can establish lag 11 cover on casing 10 fast, and the supplementary connecting device through setting up, so that lag 11 is fixed with casing 10, at lag 11, inhale the cotton cover 14 of sound and acoustic celotex board 15 and be convenient for dismantle and change when taking place to damage.

Wherein, the cross section of the chute 12 is a T-shaped structure.

Wherein, the cross section of stopper 13 is T shape structure.

In addition, auxiliary connection device includes locating lever 20 and reset spring 21, first spacing hole 22 has been seted up on casing 10, the spacing hole of second 23 has been seted up on lag 11, inhale and seted up the spacing hole of third 24 on the cotton cover 14 of sound, the spacing hole of fourth 25 has been seted up on acoustic celotex board 15, the spacing hole of fourth 25 is passed in proper order to locating lever 20 one end, the spacing hole of third 24, the spacing hole of second 23 and first spacing hole 22, fixedly connected with reset spring 21 on the locating lever 20 outer wall, and the reset spring 21 other end and the 15 outer wall fixed connection of acoustic celotex board.

During the use, through manual pulling locating lever 20 for locating lever 20 drives reset spring 21 tensile, and then locating lever 20 keeps away from first spacing hole 22, then, promotes the antiskid cover through the manual work, and stopper 13 on the antiskid cover vertically moves in spout 12, so with lag 11 cover on the casing 10 outer wall, for making to avoid lag 11 back-and-forth movement, the locating lever 20 of dragging manually loosens, so locating lever 20 gets into first spacing hole 22 through reset spring 21's bounce is automatic, simple to operate.

Wherein, the positioning rod 20 is a T-shaped structure.

Wherein, the sound-absorbing cotton cover 14 can adopt glass fiber sound-absorbing cotton and polyester fiber sound-absorbing cotton.

Claims

1. The utility model provides a jet fan air inlet, air-out spinning device, includes casing (10) and lag (11), its characterized in that: a plurality of spouts (12) have been seted up to the surrounding type array on casing (10), the surrounding type array is provided with stopper (13) of a plurality of adaptations in spout (12) on lag (11) inner wall, lag (11) are through stopper (13) and the spout (12) vertical slip on casing (10) outer wall that sets up, the cotton cover of sound absorption (14) have been cup jointed to the fixed on lag (11) outer wall, fixed cover on the cotton cover of sound absorption (14) outer wall has been cup jointed acoustic celotex board (15), the surrounding type array is provided with a plurality of auxiliary connection devices on acoustic celotex board (15) outer wall to make lag (11) fixed with casing (10).

2. The air inlet and outlet spinning device of the jet flow fan as claimed in claim 1, wherein: the auxiliary connecting device comprises a positioning rod (20) and a reset spring (21), a first limiting hole (22) is formed in the shell (10), a second limiting hole (23) is formed in the protecting sleeve (11), a third limiting hole (24) is formed in the sound-absorbing cotton sleeve (14), a fourth limiting hole (25) is formed in the sound-insulating board (15), one end of the positioning rod (20) penetrates through the fourth limiting hole (25), the third limiting hole (24), the second limiting hole (23) and the first limiting hole (22) in sequence, the reset spring (21) is fixedly connected to the outer wall of the positioning rod (20), and the other end of the reset spring (21) is fixedly connected with the outer wall of the sound-insulating board (15).

3. The air inlet and outlet spinning device of the jet flow fan as claimed in claim 1, wherein: the cross section of the sliding chute (12) is of a T-shaped structure.

4. The air inlet and outlet spinning device of the jet flow fan as claimed in claim 1, wherein: the cross section of the limiting block (13) is of a T-shaped structure.

5. The air inlet and outlet spinning device of the jet flow fan as claimed in claim 2, wherein: the positioning rod (20) is of a T-shaped structure.

6. The air inlet and outlet spinning device of the jet flow fan as claimed in claim 1, wherein: the sound-absorbing cotton cover (14) can adopt glass fiber sound-absorbing cotton and polyester fiber sound-absorbing cotton.