CN214972645U

CN214972645U - Noise reduction structure for vehicle air filtration

Info

Publication number: CN214972645U
Application number: CN202120070271.XU
Authority: CN
Inventors: 张献松; 吴晨光; 宋吉祥
Original assignee: Shanghai Foj Filtration Equipment Co ltd
Current assignee: Shanghai Foj Filtration Equipment Co ltd
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2021-12-03
Anticipated expiration: 2031-01-12

Abstract

The utility model discloses a structure of making an uproar falls in automobile-used filtration, include: the filter, the filter includes barrel and lid, the lid tip is provided with the air inlet, the barrel tip is provided with the gas outlet, barrel and lid inside are hollow structure, and the solid fixed ring of inside fixedly connected with of barrel, gu fixed ring's both ends integrated into one piece has annular shrouding, and solid fixed ring and the barrel inner wall between vacuole formation, install a plurality of amortization dish in the cavity, the amortization dish comprises the amortization ring that two symmetries set up and is formed with the sound guide chamber between two amortization rings, the both ends of amortization ring respectively with barrel inner wall and solid fixed ring surface welded connection. The utility model discloses solid fixed ring has been set up in the inside of filter to strain a section of thick bamboo and fix the inboard at solid fixed ring, play syllable-dividing effect through the amortization cavity that forms between solid fixed ring and the barrel, and come to consume the noise through the amortization dish that sets up in the cavity and amortization chamber, play fine noise reduction effect.

Description

Noise reduction structure for vehicle air filtration

Technical Field

The utility model relates to a vehicle air cleaner technical field, more specifically are a vehicle air cleaner falls structure of making an uproar.

Background

The automobile air filter is an article for removing particle impurities in air in an automobile, and the automobile air conditioner filter can effectively reduce pollutants from entering the automobile through a heating ventilation and air conditioning system and prevent the pollutants harmful to the body from being sucked.

At present, when an air filter for an existing vehicle filters air, certain noise can be generated inside a cylinder, the noise reduction performance of the filter is poor, and the generated noise can be continuously transmitted out of the filter and a pipeline. For this reason, a new scheme needs to be designed to give improvements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a structure of making an uproar falls in automobile-used filtration has solved the problem that proposes in the background art, satisfies the in-service use demand.

In order to achieve the above object, the utility model provides a following technical scheme: a noise reducing structure for vehicle air filtration, comprising: the filter, the filter includes barrel and lid, the lid tip is provided with the air inlet, the barrel tip is provided with the gas outlet, barrel and the inside hollow structure that is of lid, and the solid fixed ring of inside fixedly connected with of barrel, gu fixed ring's both ends integrated into one piece has annular shrouding, just gu form the cavity between fixed ring and the barrel inner wall, install a plurality of amortization dish in the cavity, the amortization dish comprises the amortization ring that two symmetries set up and is formed with the sound guide chamber between two amortization rings, the both ends of amortization ring respectively with barrel inner wall and solid fixed ring surface welded connection, and the amortization ring has seted up the sound guide hole with solid fixed ring's junction, and is adjacent be formed with the amortization chamber between the amortization dish.

As an optimal implementation mode of the utility model, install a plurality of acoustical panel on the inside of amortization dish and the opposite face that is located two amortization rings respectively, the one end and the amortization ring fixed surface of acoustical panel are connected, the other end downwardly extending just is 45 contained angles with the amortization ring.

As a preferred embodiment of the present invention, the widths of the sound-absorbing panels increase from inside to outside in sequence, and the end portions and the cross sections of the two sound-absorbing panels located at the outermost side are connected to form a V-shaped structure.

As an optimal implementation mode of the utility model, the bloop that a plurality of and amortization chamber are linked together is seted up on the surface of amortization ring, the middle part at two adjacent amortization board intervals is seted up to the bloop, the amortization intracavity is filled there is the high density amortization sponge.

As a preferred embodiment of the present invention, the surface of the fixing ring protrudes toward the barrel body and forms an arc structure.

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

the utility model discloses, set up solid fixed ring in the inside of filter to strain a section of thick bamboo and fix the inboard at solid fixed ring, play syllable-dividing effect through the amortization cavity that forms between solid fixed ring and the barrel, and come to consume the noise through the amortization dish that sets up in the cavity and amortization chamber, play fine noise reduction effect.

Drawings

FIG. 1 is a structural diagram of a noise reduction structure of a vehicle air filter according to the present invention;

fig. 2 is an enlarged view of a in fig. 1.

In the figure, 1, a cover body; 2. a barrel; 3. an air inlet; 4. a fixing ring; 5. a silencing plate; 6. a sound-deadening chamber; 7. an air outlet; 8. a top plate; 9. a sound guide hole; 10. a sound-absorbing panel; 11. a silencing hole; 12. and a silencing ring.

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.

Referring to fig. 1-2, the present invention provides a technical solution: a noise reducing structure for vehicle air filtration, comprising: the filter comprises a cylinder body 2 and a cover body 1, wherein an air inlet 3 is arranged at the end part of the cover body 1, an air outlet 7 is arranged at the end part of the cylinder body 2, air enters through the air inlet 3 and is discharged through the air outlet 7 after being filtered, the inside of the cylinder body 2 and the inside of the cover body 1 are both of a hollow structure, a fixing ring 4 is fixedly connected with the inside of the cylinder body 2, annular seal plates are integrally formed at the two ends of the fixing ring 4, a cavity is formed between the fixing ring 4 and the inner wall of the cylinder body 2, the cavity has a certain sound insulation effect, a plurality of silencing discs 5 are arranged in the cavity, the silencing discs 5 play a role in noise consumption and guide the noise simultaneously, each silencing disc 5 consists of two symmetrically arranged silencing rings 12, a sound guide cavity 8 is formed between the two silencing rings 12, the two ends of each silencing ring 12 are respectively welded with the surfaces of the inner wall of the cylinder body 2 and the fixing ring 4, and a sound guide hole 9 is formed at the joint of each silencing ring 12 and the fixing ring 4, be formed with amortization chamber 6 between adjacent amortization dish 5, the noise enters into leading in the sound chamber 8 and enters into amortization chamber 6 through amortization dish 5, carries out a lot of consumption, the transmission of noise abatement to the noise.

Further improve ground, the inside of amortization dish 5 just is located and installs a plurality of acoustical panel 10 on the opposite face of two amortization rings 12 respectively, and the one end and the amortization ring 12 fixed surface of acoustical panel 10 are connected, the other end downwardly extending just is 45 contained angles with amortization ring 12, and the noise enters into the inside back of amortization dish, leads through the abatvoix, and some noise gets into in the contained angle, plays certain consumption effect to the noise.

In a further improvement mode, the widths of the sound-absorbing plates 10 are sequentially increased from inside to outside, the end parts of the two sound-absorbing plates 10 located on the outermost sides are connected, the cross sections of the two sound-absorbing plates 10 form a V-shaped structure, the contact surface between noise and the sound-absorbing plates 10 is increased, the noise is repeatedly transmitted between the two adjacent sound-absorbing plates 10 which are longitudinally arranged, and the noise reduction effect is further achieved.

Further improved, the surface of amortization ring 12 is seted up a plurality of and is linked together the bloop 11 with amortization chamber 6, and bloop 11 is seted up at the middle part of two adjacent acoustical panel 10 intervals, and amortization chamber 6 intussuseption is filled with high density amortization sponge, and the noise enters into amortization chamber 6 after passing through amortization dish 5 in, comes to absorb the noise through the amortization sponge in the amortization chamber 6.

Specifically, the surface of the fixing ring 4 is convex toward the cylinder 2 and forms an arc-shaped structure.

The utility model discloses when using, the air enters into in the filter through air inlet 3, and with the interior strain a section of thick bamboo contact production noise of filter, the noise enters into amortization dish 5 in through leading sound hole 9, the contained angle that produces between acoustical panel 10 in the amortization dish 5 and amortization ring 12 carries out first consumption, the noise transmits between two acoustical panels 10 and carries out the secondary consumption, noise after the consumption enters into amortization chamber 6 through sound hole 11 in, carry out the amortization once more through the high density sponge in the amortization chamber 6, can the spread of noise abatement.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A noise reducing structure for vehicle air filtration, comprising: the filter, the filter includes barrel (2) and lid (1), lid (1) tip is provided with air inlet (3), barrel (2) tip is provided with gas outlet (7), its characterized in that: barrel (2) and lid (1) are inside to be hollow structure, and the solid fixed ring of inside fixedly connected with (4) of barrel (2), the both ends integrated into one piece of solid fixed ring (4) has annular shrouding, just vacuole formation between solid fixed ring (4) and barrel (2) inner wall, install a plurality of amortization dish (5) in the cavity, amortization dish (5) are constituteed by amortization ring (12) that two symmetries set up and are formed with sound guide chamber (8) between two amortization rings (12), the both ends of amortization ring (12) respectively with barrel (2) inner wall and solid fixed ring (4) surface welded connection, and the junction of amortization ring (12) and solid fixed ring (4) has seted up sound guide hole (9), adjacent be formed with sound attenuation chamber (6) between amortization dish (5).

2. A noise reducing structure for air filters for vehicles according to claim 1, wherein: a plurality of silencing plates (10) are respectively installed in the silencing disc (5) and on the opposite surfaces of the two silencing rings (12), one ends of the silencing plates (10) are fixedly connected with the surfaces of the silencing rings (12), the other ends of the silencing plates extend downwards and form 45-degree included angles with the silencing rings (12).

3. A noise reducing structure for air filters for vehicles according to claim 2, wherein: the widths of the sound-absorbing plates (10) are increased from inside to outside in sequence, and the end parts of the two sound-absorbing plates (10) positioned on the outermost sides are connected and the cross sections of the two sound-absorbing plates form a V-shaped structure.

4. A noise reducing structure for air filters for vehicles according to claim 1, wherein: the surface of the silencing ring (12) is provided with a plurality of silencing holes (11) communicated with the silencing cavity (6), the silencing holes (11) are formed in the middle of the distance between two adjacent silencing plates (10), and the silencing cavity (6) is filled with high-density silencing sponge.

5. A noise reducing structure for air filters for vehicles according to claim 1, wherein: the surface of the fixing ring (4) protrudes towards the cylinder body (2) and forms an arc-shaped structure.