CN220581366U

CN220581366U - Fan muffler

Info

Publication number: CN220581366U
Application number: CN202322031980.9U
Authority: CN
Inventors: 张忠文; 张家凤
Original assignee: Longkou Tongfang Industry And Trade Co ltd
Current assignee: Longkou Tongfang Industry And Trade Co ltd
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2024-03-12
Anticipated expiration: 2033-07-31

Abstract

The utility model discloses a fan silencer, which relates to the field of fan silencing and comprises a silencer shell, wherein a rectifying component is arranged on the outer surface of one end of the silencer shell, and an air exhaust barrel is arranged on the outer surface of one end of the rectifying component. According to the fan silencer, the leakage-proof air inlet connecting cylinder comprises the conical air inlet pipe, the connecting flange, the rubber sealing sleeve, the rubber limiting ring and the connecting hole, the tightness and the tightness of the connecting position can be improved during use, the conditions of air leakage and vibration falling of the connecting position are avoided, the rectifying assembly comprises the rectifying shell, the conical lining, the spiral guide ring, the air outlet and the air inlet, and after sound absorption, the air can be rectified and discharged during use, the influence of turbulence caused by accumulation of the air is avoided, and the silencer is simple in structure, convenient to operate and good in use prospect.

Description

Fan muffler

Technical Field

The utility model relates to the field of fan silencing, in particular to a fan silencer.

Background

The fan silencer is a device which enables air flow to smoothly pass through the device and effectively reduces noise, the forms of the fan silencer, the exhaust pipeline silencer and the induced draft fan silencer are the same, and the noise reduction principle of resistive sound absorption with good effects on the medium and high frequency broadband characteristics is adopted.

The existing fan silencer has certain defects when in use, the existing fan silencer is connected to be hard when in use, the sealing performance of a connecting gap is poor, vibration is easy to generate when in use, meanwhile, the existing fan silencer cannot rectify and discharge the silenced gas when in use, and the noise reduction effect is affected by gas turbulence.

Therefore, it is necessary to provide a fan silencer to solve the above problems.

Disclosure of Invention

The utility model mainly aims to provide a fan silencer which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a fan muffler, includes the muffler shell, the one end surface of muffler shell is provided with the rectifier module, the one end surface of rectifier module is provided with the exhaust section of thick bamboo, the other end surface of muffler shell is provided with prevents leaking the air inlet connecting cylinder, the inner wall of muffler shell is provided with the amortization inside lining, the middle part of muffler shell is provided with the amortization inner core, prevent leaking the air inlet connecting cylinder and include cone type air-supply line, flange, rubber seal cover, rubber spacing ring and connecting hole, the rectifier module includes rectifier shell, cone type inside lining, spiral guide ring, air exit and air intake.

Preferably, a connecting flange is arranged on the outer surface of one end of the cone-shaped air inlet pipe, a rubber sealing sleeve is arranged on the outer wall of the connecting flange, a rubber limiting ring is arranged on the inner wall of the rubber sealing sleeve, and a connecting hole is formed in the middle of the rubber limiting ring.

Preferably, the outer surface of one end of the cone-shaped air inlet pipe is fixedly connected with the outer surface of one end of the connecting flange.

Preferably, the outer wall of the connecting flange is fixedly connected with the inner wall of the rubber sealing sleeve through a rubber limiting ring, and the inner wall of the rubber sealing sleeve is fixedly connected with the outer wall of the rubber limiting ring.

Preferably, the inner wall of the rectifying shell is provided with a cone-shaped lining, the inner wall of the cone-shaped lining is provided with a spiral guide ring, an air outlet is formed in the middle of one end of the rectifying shell, and an air inlet is formed in the middle of the other end of the rectifying shell.

Preferably, the inner wall of the rectifying shell is fixedly connected with the outer wall of the cone-shaped lining.

Preferably, the inner wall of the cone-shaped lining is fixedly connected with the outer wall of the spiral guide ring.

Preferably, the outer surface of one end of the silencer shell is fixedly connected with the outer surface of the other end of the rectifying component, the outer surface of one end of the rectifying component is detachably connected with the outer surface of one end of the ventilating duct, the outer surface of the other end of the silencer shell is detachably connected with the outer surface of one end of the anti-leakage air inlet connecting cylinder, the inner wall of the silencer shell is fixedly connected with the outer wall of the silencing lining, and the middle part of the silencer shell is fixedly connected with the outer surface of one end of the silencing inner core.

Advantageous effects

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

1. this fan muffler, through the leak protection air inlet connecting cylinder that sets up including cone air-supply line, flange, rubber seal cover, rubber spacing ring and connecting hole, can improve junction leakproofness and fastening nature when using, avoid appearing leaking gas and the condition that junction vibration drops.

2. This fan muffler includes rectification shell, cone inside lining, spiral guide ring, air exit and air intake through the rectification subassembly that sets up, can carry out rectification discharge to the gas after the sound elimination when using, avoids gaseous piling up to produce the turbulent flow and influences the amortization effect.

Drawings

FIG. 1 is a schematic view of the overall structure of a fan muffler according to the present utility model;

FIG. 2 is a schematic view of the internal structure of a fan muffler according to the present utility model;

FIG. 3 is a schematic view of a structure of the anti-leakage air inlet connecting cylinder 3 in FIG. 1 of a fan silencer according to the present utility model;

fig. 4 is a schematic structural view of the rectifying component 3 in fig. 2 of the fan silencer according to the present utility model.

In the figure: 1. a muffler shell; 2. an exhaust duct; 3. a leakage-proof air inlet connecting cylinder; 4. a sound deadening lining; 5. a sound deadening inner core; 6. a rectifying assembly; 301. a cone-type air inlet pipe; 302. a connecting flange; 303. a rubber sealing sleeve; 304. a rubber limit ring; 305. a connection hole; 601. a rectifying housing; 602. a cone-shaped liner; 603. a spiral guide ring; 604. an air outlet; 605. and an air inlet.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, a fan silencer comprises a silencer shell 1, a rectifying component 6 is arranged on the outer surface of one end of the silencer shell 1, an air exhaust barrel 2 is arranged on the outer surface of one end of the rectifying component 6, a leakage-proof air inlet connecting barrel 3 is arranged on the outer surface of the other end of the silencer shell 1, a silencing lining 4 is arranged on the inner wall of the silencer shell 1, a silencing inner core 5 is arranged in the middle of the silencer shell 1, the leakage-proof air inlet connecting barrel 3 comprises a cone-shaped air inlet pipe 301, a connecting flange 302, a rubber sealing sleeve 303, a rubber limiting ring 304 and a connecting hole 305, and the rectifying component 6 comprises a rectifying shell 601, a cone-shaped lining 602, a spiral guide ring 603, an air outlet 604 and an air inlet 605.

It should be noted that, the utility model is a fan silencer, when in use, firstly, the air inlet operation is carried out on the interior of the silencer shell 3 through the anti-leakage air inlet connecting cylinder 1, after air inlet, the air is subjected to the silencing operation through the silencing lining 4 and the silencing inner core 5, after the air is subjected to the silencing operation, the air is discharged through the exhaust cylinder 2 after being rectified through the rectifying component 6, the anti-leakage air inlet connecting cylinder 3 comprises a cone air inlet pipe 301, a connecting flange 302, a rubber sealing sleeve 303, a rubber limiting ring 304 and a connecting hole 305, before in use, firstly, the rubber sealing sleeve 303 is mounted on the connecting flange 302 of the cone air inlet pipe 301 through the rubber limiting ring 304, and the connecting hole 305 is subjected to the contraposition operation, when in use, the connecting flange 302 and the fan are additionally provided with the rubber limiting ring 304, the connecting hole 305 is in fastening connection, the connecting hole 304 is subjected to the air, the gap of the connecting position is filled by the rubber limiting ring 304 in fastening connection, when in use, the sealing property and the fastening connection of the connecting position can be improved, the condition that the air is vibrated at the connecting position is avoided, the rectifying component 6 comprises the rectifying shell 601, the cone air guiding ring 602, the air is firstly, the air is led out of the cone air inlet 605 through the cone air guiding ring 602 and the spiral air guiding ring 605, and the air is discharged through the air inlet and the air inlet 602 when in use, and the noise is led out of the inner lining 602, and the noise is discharged, and the noise is prevented from being influenced by the air inlet effect of the air is discharged through the spiral air guiding ring 602.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A fan silencer comprising a silencer housing (1), characterized in that: the silencer comprises a silencer shell (1), wherein a rectifying component (6) is arranged on the outer surface of one end of the silencer shell (1), an air exhaust barrel (2) is arranged on the outer surface of one end of the rectifying component (6), a leakage-proof air inlet connecting barrel (3) is arranged on the outer surface of the other end of the silencer shell (1), a silencing lining (4) is arranged on the inner wall of the silencer shell (1), a silencing inner core (5) is arranged in the middle of the silencer shell (1), the leakage-proof air inlet connecting barrel (3) comprises a conical air inlet pipe (301), a connecting flange (302), a rubber sealing sleeve (303), a rubber limiting ring (304) and a connecting hole (305), and the rectifying component (6) comprises a rectifying shell (601), a conical lining (602), a spiral guide ring (603), an air outlet (604) and an air inlet (605).

2. A fan silencer as claimed in claim 1, wherein: one end surface of cone air-supply line (301) is provided with flange (302), the outer wall of flange (302) is provided with rubber seal cover (303), the inner wall of rubber seal cover (303) is provided with rubber spacing ring (304), connecting hole (305) have been seted up at the middle part of rubber spacing ring (304).

3. A fan silencer as claimed in claim 1, wherein: the outer surface of one end of the cone-shaped air inlet pipe (301) is fixedly connected with the outer surface of one end of the connecting flange (302).

4. A fan silencer as claimed in claim 1, wherein: the outer wall of the connecting flange (302) is fixedly connected with the inner wall of the rubber sealing sleeve (303) through a rubber limiting ring (304), and the inner wall of the rubber sealing sleeve (303) is fixedly connected with the outer wall of the rubber limiting ring (304).

5. A fan silencer as claimed in claim 1, wherein: the inner wall of rectification shell (601) is provided with cone inside lining (602), the inner wall of cone inside lining (602) is provided with spiral guide ring (603), air outlet (604) have been seted up at the one end middle part of rectification shell (601), air intake (605) have been seted up at the other end middle part of rectification shell (601).

6. A fan silencer as claimed in claim 1, wherein: the inner wall of the rectifying shell (601) is fixedly connected with the outer wall of the cone-shaped lining (602).

7. A fan silencer as claimed in claim 1, wherein: the inner wall of the cone-shaped lining (602) is fixedly connected with the outer wall of the spiral guide ring (603).

8. A fan silencer as claimed in claim 1, wherein: one end surface of muffler shell (1) and the other end surface fixed connection of rectifying component (6), the one end surface of rectifying component (6) can be dismantled with the one end surface of exhaust section of thick bamboo (2) and be connected, the other end surface of muffler shell (1) can be dismantled with the one end surface of leak protection air inlet connecting cylinder (3) and be connected, the inner wall of muffler shell (1) and the outer wall fixed connection of amortization inside lining (4), the middle part of muffler shell (1) and the one end surface fixed connection of amortization inner core (5).