CN211400241U

CN211400241U - Central air conditioning air duct with silencing function

Info

Publication number: CN211400241U
Application number: CN201922411977.3U
Authority: CN
Inventors: 张孝军
Original assignee: Xuzhou Xinfeng Air Conditioning Equipment Co ltd
Current assignee: Xuzhou Xinfeng Air Conditioning Equipment Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-09-01
Anticipated expiration: 2029-12-28

Abstract

The utility model relates to the technical field of ventilation ducts, in particular to a central air conditioning ventilation duct with a sound attenuation function, which comprises a ventilation duct body and a filter, wherein a sound insulation board is sleeved outside the ventilation duct body, a damping shell is sleeved outside the sound insulation board, a damping spring is arranged between the damping shell and the sound insulation board, a sound insulation sponge is filled between the damping shell and the sound insulation board, the top of the damping shell is provided with an opening, the inside of the opening is sleeved with the filter, the inside of the filter is provided with a filter screen, the bottom of the filter is provided with a rubber sealing strip, the ventilation duct body is sleeved inside the filter, the outside of the ventilation duct body is sleeved with the sound insulation board, the inside of the sound insulation board is provided with a plurality of small holes, sound passes through the sound insulation board with a porous structure, the sound wave moves in the small holes and rubs with the small holes, thereby the sound wave is weakened, the vibration of the ventilation pipeline body during operation is reduced, so that the vibration noise is reduced.

Description

Central air conditioning air duct with silencing function

Technical Field

The utility model relates to a ventiduct technical field specifically is a central air conditioning ventiduct with amortization function.

Background

The central air conditioner is a large-scale air conditioning system, which comprises a main machine and a tail end, wherein the main machine is divided into a water cooling unit and an air cooling unit, and the tail end equipment mainly comprises an air conditioning unit and a fan coil.

However, the existing central air-conditioning ventilation duct has too much noise, the sealing performance of the joint is not good, air leakage is easy, noise is generated, normal life of people is affected, the central air-conditioning ventilation duct is communicated with outside air, dust easily enters the inside of the central air-conditioning ventilation duct, the cleaning is troublesome, and the health of people is affected by using the ventilation duct with too much dust for a long time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a central air conditioning ventiduct with amortization function to solve the nevertheless current central air conditioning ventiduct noise that proposes in the above-mentioned background art too big, the leakproofness of joint department is not good, easy air leak, and produce the noise, influence people's normal life, and central air conditioning ventiduct and outside air intercommunication, inside the dust gets into the central air conditioning ventiduct easily, and the clearance is troublesome, use the too much air pipe of dust for a long time, influence people's healthy problem.

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

the utility model provides a central air conditioning ventiduct with amortization function, includes ventiduct body and filter, the ventiduct body is hollow structure, just the acoustic celotex board has been cup jointed in the ventiduct body outside, the shock attenuation shell has been cup jointed in the acoustic celotex board outside, the shock attenuation shell with be equipped with damping spring between the acoustic celotex board, just the shock attenuation shell with it has the sound insulation sponge to fill between the acoustic celotex board, the opening has been seted up at shock attenuation shell top, just the opening is inside to be cup jointed the filter, the filter is hollow structure, just the inside filter screen that is equipped with of filter, the filter bottom is equipped with rubber seal strip, the ventiduct body cup.

Preferably, the size of the opening is the same as that of the bottom surface of the filter, and a plurality of grooves are formed in the side edge of the opening.

Preferably, the top of the filter is fixedly connected with a handle through a bolt, a protruding block is arranged on the side edge of the filter, and the protruding block is sleeved inside the groove.

Preferably, the length of the convex block is the same as that of the groove, and the rubber sealing strip is arranged between the convex block and the groove.

Preferably, the filter screen is a hundred mesh filter screen, just be equipped with between the filter screen the sponge gives sound insulation.

Preferably, a plurality of small holes are formed in the sound insulation board, and the sound insulation board is fixedly connected to the outer side of the air duct body through bolts.

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

1. in the central air-conditioning ventilation duct with the silencing function, the sound insulation board is sleeved on the outer side of the ventilation duct body, a plurality of small holes are formed in the sound insulation board, sound passes through the sound insulation board with a porous structure, the sound wave moves in the small holes and rubs with the small holes, so that the sound wave is weakened and plays a role in sound insulation, the damping shell is sleeved on the outer side of the sound insulation board, a damping spring is arranged between the damping shell and the sound insulation board, the vibration of the ventilation duct body during working is reduced, so that the vibration noise is reduced, the sound insulation sponge is filled between the damping shell and the sound insulation board, the noise is further reduced, the filter screen is arranged in the filter, the filter screen is a hundred-mesh filter screen, the sound insulation sponge is arranged between the filter screens, the wind in the ventilation duct body is conveniently filtered, the air with dust is prevented, the filter is located air pipe's joint department, and the air pipe body cup joints inside the filter, has further guaranteed the leakproofness of air pipe body joint department, and the filter top passes through bolt fixedly connected with handle, is convenient for dismantle the filter through the handle and washs.

Drawings

Fig. 1 is a schematic view of the overall assembly structure of the present invention;

fig. 2 is a schematic cross-sectional structure diagram of the present invention;

in the figure: 1. a ventilation duct body; 2. a sound insulating board; 21. a small hole; 3. a shock-absorbing shell; 31. a damping spring; 32. an opening; 33. a groove; 34. sound insulation sponge; 4. a filter; 41. a handle; 42. a raised block; 43. a filter screen; 44. a rubber sealing strip.

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 understood that the terms "center", "center line", "longitudinal", "lateral", "length", "width", "thickness", "depth", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be taken as limiting the invention, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1

A central air-conditioning air duct with a noise reduction function aims to solve the problems that the existing central air-conditioning air duct has too much noise, the sealing performance of a joint is poor, air leakage is easy, noise is generated, and normal life of people is influenced, the central air-conditioning air duct is communicated with external air, dust easily enters the interior of the central air-conditioning air duct and is troublesome to clean, and the health of people is influenced due to the fact that the air duct with too much dust is used for a long time, as a preferred embodiment, as shown in figures 1 and 2, the central air-conditioning air duct comprises an air duct body 1 and a filter 4, the air duct body 1 is of a hollow structure, a sound insulation plate 2 is sleeved on the outer side of the air duct body 1, a shock absorption shell 3 is sleeved on the outer side of the sound insulation plate 2, a shock absorption spring 31 is arranged between the shock absorption shell 3 and the sound insulation plate 2, a sound insulation sponge 34 is filled between, and opening 32 is inside to be cup jointed filter 4, and filter 4 is hollow structure, and filter 4 is inside to be equipped with filter screen 43, and filter 4 bottom is equipped with rubber seal strip 44, and ventilation duct body 1 cup joints inside filter 4.

In this example, opening 32 size is the same with 4 bottom surfaces of filter size, and the filter 4 of being convenient for cup joints inside opening 32, and a plurality of recess 33 has been seted up to opening 32 side, and the protruding piece 42 joint of being convenient for is inside recess 33.

Further, 4 tops of filters pass through bolt fixedly connected with handle 41, are convenient for dismantle filter 4 through handle 41, and 4 sides of filter are equipped with protruding piece 42, and protruding piece 42 cup joints inside recess 33, and protruding piece 42 joint promotes the device's stability inside recess 33.

Specifically, the length of the protruding block 42 is the same as that of the groove 33, and a rubber sealing strip 44 is arranged between the protruding block 42 and the groove 33, so that the sealing performance of the device is improved, and noise is reduced.

In addition, filter screen 43 is one hundred meshes filter screen, and is equipped with sound insulation sponge 34 between the filter screen 43, is convenient for filter the inside wind of air pipe body 1, prevents that the air that has the dust from blowing out, also prevents that outside dust from getting into inside air pipe body 1.

Further, a plurality of aperture 21 has been seted up to acoustic celotex board 2 inside, and acoustic celotex board 2 passes through bolt fixed connection in the 1 outside of ventiduct body, and sound is through porous structure's acoustic celotex board 2, and the sound wave rubs with aperture 21 in aperture 21 internal motion to make the sound wave weak, play syllable-dividing effect.

When the utility model is used, the sound insulation board 2 is sleeved outside the air duct body 1, a plurality of small holes 21 are arranged inside the sound insulation board 2, sound passes through the sound insulation board 2 with a porous structure, the sound wave moves in the small holes 21 and rubs with the small holes 21, so that the sound wave is weakened and plays a role of sound insulation, the damping shell 3 is sleeved outside the sound insulation board 2, the damping spring 31 is arranged between the damping shell 3 and the sound insulation board 2, vibration of the air duct body 1 during operation is reduced, noise is generated, and a sound insulation sponge 34 is filled between the damping shell 3 and the sound insulation board 2, noise is further reduced, an opening 32 is arranged at the top of the damping shell 3, a filter 4 is sleeved inside the opening 32, the filter 4 is of a hollow structure, a filter screen 43 is arranged inside the filter 4, the filter screen 43 is a hundred-mesh filter screen, and the sound insulation, be convenient for filter the wind of ventilation pipe body 1 inside, prevent that the air that has the dust from blowing out, influence people's health, it is inside also to prevent outside dust to get into ventilation pipe body 1 simultaneously, 4 bottoms of filter are equipped with rubber seal strip 44, ventilation pipe body 1 cup joints inside filter 4, the leakproofness of ventilation pipe body 1 joint department has further been guaranteed, and bolt fixedly connected with handle 41 is passed through at 4 tops of filter, be convenient for dismantle filter 4 through handle 41 and wash.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a central air conditioning air duct with amortization function, includes air duct body (1) and filter (4), its characterized in that: the ventilating duct comprises a ventilating duct body (1) and is characterized in that the ventilating duct body (1) is of a hollow structure, sound insulation boards (2) are sleeved on the outer sides of the sound insulation boards (1), damping shells (3) are sleeved on the outer sides of the sound insulation boards (2), damping springs (31) are arranged between the damping shells (3) and the sound insulation sponge (34) are filled between the sound insulation boards (2), openings (32) are formed in the tops of the damping shells (3), the openings (32) are sleeved inside the filters (4), the filters (4) are of a hollow structure, filter screens (43) are arranged inside the filters (4), rubber sealing strips (44) are arranged at the bottoms of the filters (4), and the ventilating duct body (1) is sleeved inside the filters (4).

2. The central air-conditioning air duct with sound deadening function according to claim 1, characterized in that: the size of the opening (32) is the same as that of the bottom surface of the filter (4), and a plurality of grooves (33) are formed in the side edge of the opening (32).

3. The central air-conditioning air duct with sound deadening function according to claim 2, characterized in that: the top of the filter (4) is fixedly connected with a handle (41) through a bolt, a protruding block (42) is arranged on the side edge of the filter (4), and the protruding block (42) is sleeved inside the groove (33).

4. A central air-conditioning air duct with a silencing function according to claim 3, characterized in that: the length of the convex block (42) is the same as that of the groove (33), and the rubber sealing strip (44) is arranged between the convex block (42) and the groove (33).

5. The central air-conditioning air duct with sound deadening function according to claim 1, characterized in that: the filter screen (43) are one hundred meshes of filter screens, and the sound insulation sponge (34) is arranged between the filter screens (43).

6. The central air-conditioning air duct with sound deadening function according to claim 1, characterized in that: a plurality of small holes (21) are formed in the sound insulation board (2), and the sound insulation board (2) is fixedly connected to the outer side of the air duct body (1) through bolts.