CN214464602U

CN214464602U - Low-noise air filter air inlet device

Info

Publication number: CN214464602U
Application number: CN202120158683.9U
Authority: CN
Inventors: 杨程
Original assignee: Tianjin Yulong Haotian Automobile Filter Co ltd
Current assignee: Tianjin Yulong Haotian Automobile Filter Co ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-10-22
Anticipated expiration: 2031-01-21

Abstract

The utility model relates to a low noise air cleaner air inlet unit. The filter comprises an upper shell and a lower shell, wherein a filter element is arranged in a space formed by the upper shell and the lower shell; the lower shell is connected with an air inlet pipe section communicated with the inner cavity of the lower shell, and the upper shell is connected with an air outlet bent pipe communicated with the inner cavity of the upper shell; the air outlet bent pipe is connected with a resonance component; the resonance component comprises a resonance shell connected with an air outlet interface, a resonance shell buckling cover is buckled on the resonance shell, an air inlet outer bent pipe is connected on the resonance shell buckling cover, and the outer end part of the air inlet outer bent pipe is connected with the air inlet interface; a support bent pipe communicated with the resonance shell and the air inlet socket is arranged in the air inlet outer bent pipe; an air inlet inner bent pipe is sleeved on the outer peripheral wall of the support bent pipe; air holes are formed in the supporting bent pipe and the air inlet inner bent pipe. The utility model discloses can reach the noise that produces in the effectual reduction working process, also can the effectual space that utilizes in the engine compartment, do not influence the engine compartment and arrange the space.

Description

Low-noise air filter air inlet device

Technical Field

The utility model belongs to the technical field of car air intake system, especially, relate to a low noise air cleaner air inlet unit.

Background

Along with the development of social economy, the living standard of people is greatly improved, and the consumption level of people is gradually improved. Automobiles are becoming increasingly popular as a primary vehicle in people's lives. The automobile engine is the heart of automobile engineering machinery, and the air inlet system is the artery of the automobile engine, and the main function of the engine is to convey clean, dry, sufficient and stable air for the engine to meet the requirement of the engine, so that the abnormal abrasion of the engine caused by the fact that impurities and large-particle dust in the air enter a combustion chamber of the engine is avoided.

The automobile air inlet system mainly comprises an air filter assembly, an air filter air inlet pipeline component, an air filter air outlet pipeline component and a crankcase ventilation pipe. The intake pipe assembly, as part of an automotive air induction system, is also required to have noise reduction properties in addition to conventional high temperature and aging resistance.

In order to make the intake system have the performance of reducing noise, the traditional solution is to integrate the resonant cavity on the gas pipeline in an embedded structure, and the above solution has certain disadvantages: the resonant cavity is connected with the gas pipe in an integrated mode, when large noise reduction volume needs to be obtained, the volume of the air inlet resonant cavity needs to be increased, and therefore the resonant cavity and the limited arrangement space of the engine compartment are in conflict, and the resonant cavity is inconvenient to be installed and matched with adjacent components in the engine compartment.

SUMMERY OF THE UTILITY MODEL

The utility model provides a low noise air filter air inlet device for solving the technical problems existing in the prior art. The utility model discloses can reach the noise that produces in the effectual reduction working process, also can the effectual space that utilizes in the engine compartment, do not influence the engine compartment and arrange the space.

The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be: a low-noise air filter air inlet device comprises an upper shell and a lower shell which are mutually butted and buckled, wherein a filter element is arranged in a space formed by the upper shell and the lower shell; the lower shell is connected with an air inlet pipe section communicated with the inner cavity of the lower shell, and the upper shell is connected with an air outlet bent pipe communicated with the inner cavity of the upper shell; the air outlet bent pipe is connected with a resonance component; the resonance component comprises a resonance shell connected with an air outlet interface, a resonance shell buckling cover is buckled on the resonance shell, an air inlet outer bent pipe is connected on the resonance shell buckling cover, and the outer end part of the air inlet outer bent pipe is connected with the air inlet interface; a support bent pipe communicated with the resonance shell and the air inlet socket is arranged in the air inlet outer bent pipe; an air inlet inner bent pipe is sleeved on the outer peripheral wall of the support bent pipe; air holes are formed in the supporting bent pipe and the air inlet inner bent pipe.

The utility model has the advantages that: the utility model provides a low-noise air filter air inlet device, which is characterized in that a resonance component is arranged and detachably connected with an air outlet bent pipe, so that the resonance component is in a modularized arrangement, an operator can conveniently and flexibly install the resonance component according to the space in an engine compartment, and the resonance component and the adjacent component in the engine compartment can be conveniently installed and matched; the resonant cavity in the embodiment comprises an inner cavity of the resonant shell, an inner cavity of the air inlet inner bent pipe, and an inner cavity formed by the combined action of the outer wall of the air inlet inner bent pipe and the inner wall of the air inlet outer bent pipe; compared with a single cavity of a traditional resonant cavity, the multi-cavity combined action is adopted in the embodiment, so that the effect of simultaneously silencing noises with a plurality of specific frequencies is realized.

Preferably: the resonant shell is connected with a wavelength tube plug-in port communicated with the inner cavity of the resonant shell, and a wavelength tube is plugged in the wavelength tube plug-in port.

Preferably: part of the top surface and/or part of the side wall of the upper shell are/is inwards sunken to form a special-shaped curved surface; part of the bottom surface and/or part of the side wall of the lower shell are/is inwards sunken to form a special-shaped curved surface.

Preferably: an outward-expanding upper buckling edge is fixedly connected to the lower edge of the side wall of the upper shell, an outward-expanding lower buckling edge is fixedly connected to the upper edge of the side wall of the lower shell, and the lower buckling edge is embedded into the upper buckling edge.

Preferably: the filter element comprises a mounting frame, filter paper is mounted in the mounting frame, a circle of mounting lugs vertical to the outer side face of the mounting frame are integrally formed at the edge of the mounting frame, and elastic sealing rings are inserted on the mounting lugs; the elastic sealing ring is clamped between the upper buckling edge and the lower buckling edge.

Preferably: the lower shell is connected with a shell mounting rack, and the air inlet pipe section is connected with a pipeline mounting rack; the through-hole has all been seted up on casing mounting bracket and pipeline mounting bracket and the buffer block of wearing to be equipped with the rubber material in the through-hole, has seted up the through-hole on the buffer block and wears to be equipped with the bush in the through-hole, wears to be equipped with the screw in the bush.

Preferably: the edge of last casing and lower casing all is provided with the lug that corresponds the setting, goes up the casing and passes through the screw fastening connection who wears to locate in the lug with lower casing.

Preferably: the outer peripheral wall of the resonance shell is fixedly connected with a resonance mounting frame, a through hole is formed in the resonance mounting frame, and a fastening screw penetrates through the through hole.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic perspective view of the resonant assembly of the present invention;

fig. 3 is a schematic sectional structure view of a-a in fig. 2.

In the figure: 1. an upper housing; 2. an air outlet bent pipe; 3. a resonant assembly; 3-1, an air inlet interface; 3-2, air inlet outer bent pipe; 3-3, buckling a cover on the resonance shell; 3-4, a resonant shell; 3-5, an air outlet interface; 3-6, wavelength tube interface; 3-7, a resonant mounting rack; 3-8, supporting a bent pipe; 3-9, an air inlet inner bent pipe; 4. a wave tube; 5. a housing mounting bracket; 6. a lower housing; 7. an air intake pipe section; 8. pipeline mounting bracket.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are described in detail:

referring to fig. 1, the air inlet device of the low noise air filter of the present invention includes an upper housing 1 and a lower housing 6 which are connected to each other in a butt joint manner, an upper fastening edge extending outward is fixed to a lower edge of a side wall of the upper housing 1, a lower fastening edge extending outward is fixed to an upper edge of a side wall of the lower housing 6, and the lower fastening edge is embedded into the upper fastening edge. All be provided with the lug that corresponds the setting in the edge of last casing 1 and lower casing 6, go up casing 1 and lower casing 6 through wearing to locate the screw fastening connection in the lug.

A filter element is arranged in a space formed by the upper shell 1 and the lower shell 6; the filter element comprises a mounting frame, filter paper is mounted in the mounting frame, a circle of mounting lugs vertical to the outer side face of the mounting frame are integrally formed at the edge of the mounting frame, and elastic sealing rings are inserted on the mounting lugs; the elastic sealing ring is clamped between the upper buckling edge and the lower buckling edge. Above-mentioned design can guarantee the leakproofness between the edge of filter core and lower casing 6 and the last casing 1, prevents gas leakage, improves filtration efficiency, and then can protect the engine better.

As shown in fig. 1, part of the top surface and/or part of the side wall of the upper shell 1 is/are recessed inwards to form a special-shaped curved surface; part of the bottom surface and/or part of the side wall of the lower case 6 is recessed inward to form a specially-shaped curved surface. The special-shaped curved surface can divide the larger plane bottom surface of the shell into a plurality of smaller planes, so that the inherent frequency of the planes is improved, the noise in the high-speed driving process of the automobile is reduced, and the modal strength of the shell is increased; meanwhile, the special-shaped curved surface can guide airflow to be uniformly distributed before entering the filter element, and the filtering efficiency is improved.

In order to facilitate the discharge of the dust generated after filtration, a dust discharge hole is formed at the bottom of the lower case 4.

In order to further increase the modal strength of the shell and improve the noise reduction effect, a plurality of groups of longitudinal reinforcing ribs are integrally formed on the inner side and the outer side of the side walls of the upper shell 1 and the lower shell 6. Latticed grid reinforcing ribs are arranged at the top of the inner cavity of the upper shell 1 and the bottom of the inner cavity of the lower shell 6.

The lower shell 6 is connected with a shell mounting rack 5, and the air inlet pipe section 7 is connected with a pipeline mounting rack 8; the through-hole has all been seted up on casing mounting bracket 5 and pipeline mounting bracket 8 and worn to be equipped with the buffer block of rubber material in the through-hole, has seted up the through-hole on the buffer block and worn to be equipped with the bush in the through-hole, wears to be equipped with the screw in the bush.

The lower shell 6 is connected with an air inlet pipe section 7 communicated with the inner cavity of the lower shell, and the upper shell 1 is connected with an air outlet bent pipe 2 communicated with the inner cavity of the upper shell; the resonance component 3 is connected to the air outlet elbow 2.

With further reference to fig. 2 and 3, in the present embodiment, the resonance assembly 3 includes a resonance housing 3-4 connected with an air outlet socket 3-5, and an air pipeline connected with the engine is connected to the air outlet socket 3-5; a resonance shell buckling cover 3-3 is buckled on the resonance shell 3-4, an air inlet outer bent pipe 3-2 is connected on the resonance shell buckling cover 3-3, and an air inlet socket 3-1 is connected at the outer end part of the air inlet outer bent pipe 3-2; the outer peripheral walls of the air inlet interface 3-1 and the air outlet interface 3-5 are respectively provided with a clamping block distributed along the circumferential direction, clamping grooves clamped with the clamping blocks are formed in the air outlet bent pipe 2 and the gas pipeline connected with the air outlet interface 3-5, the resonance component 3 is connected with the air outlet bent pipe 2 and other gas pipelines through clamping matching of the clamping grooves and the clamping blocks, and a clamp can be additionally arranged if necessary to realize fastening connection.

A support elbow 3-8 communicated with the resonance shell 3-4 and the air inlet socket 3-1 is arranged in the air inlet outer elbow 3-2; the outer peripheral wall of the support elbow 3-8 is sleeved with an air inlet elbow 3-9; air holes are respectively arranged on the support bent pipe 3-8 and the air inlet inner bent pipe 3-9. The resonant shell 3-4 is connected with a wavelength tube interface 3-6 communicated with the inner cavity of the resonant shell, and a wavelength tube 4 is inserted on the wavelength tube interface 3-6. The outer peripheral wall of the resonance shell 3-4 is fixedly connected with a resonance mounting rack 3-7, a through hole is formed in the resonance mounting rack 3-7, and a fastening screw penetrates through the through hole. In the implementation, the support elbow 3-8 can support the air inlet inner elbow 3-9, and the strength of the resonance component 3 is improved.

Compare with the resonant cavity in the traditional technique and empty filter intake pipe integrated connection, the utility model provides a resonance subassembly 3 is the modularization setting, makes things convenient for operating personnel to carry out the overall arrangement according to the space in the engine compartment and carries out nimble installation to the resonance cavity subassembly. In addition, most conventional resonators are single chambers and cannot effectively attenuate noise at different frequencies. Compared with the traditional resonator, the resonant cavity in the embodiment comprises an inner cavity of the resonant shell 3-4, an inner cavity of the air inlet inner bent pipe 3-9, an inner cavity formed by the combined action of the outer wall of the air inlet inner bent pipe 3-9 and the inner wall of the air inlet outer bent pipe 3-2; wherein, the inner cavity of the resonance shell 3-4 is communicated with the inner cavity of the air inlet inner bent pipe 3-9, and the inner cavity formed by the combined action of the outer wall of the air inlet inner bent pipe 3-9 and the inner wall of the air inlet outer bent pipe 3-2 is communicated with the inner cavity of the air inlet inner bent pipe 3-9. The embodiment adopts the combined action of various chambers, thereby realizing the effect of simultaneously silencing the noises with a plurality of specific frequencies.

When in use, the lower shell 6 and the upper shell 1 are connected by screw threads to form a shell of the filter, so that the filter is convenient to disassemble. The filter is connected with an engine compartment or other elements by a mounting frame 5, and the resonance component 3 is connected with a vehicle body by screws according to the space layout in the engine compartment; then, the resonance component 3 is connected with the filter by the air outlet bent pipe 2, the air flows through the air inlet pipe section 7 after passing through the air inlet port and enters the shell of the filter, a filter element in the filter can filter and remove dust of the air, and the air after dust removal enters the resonance component 3 through the air outlet bent pipe 2, so that the resonance component 3 can have a good noise reduction effect in the process; compare with the resonant cavity in the traditional technique and empty filter intake pipe integrated connection, the utility model provides a 3 modularization settings of resonance subassembly make things convenient for operating personnel to carry out the overall arrangement according to the space in the engine compartment and carry out nimble installation to the resonance cavity subassembly.

Claims

1. The utility model provides a low noise air cleaner air inlet unit, characterized by: the filter comprises an upper shell (1) and a lower shell (6) which are mutually butted and buckled, wherein a filter element is arranged in a space formed by the upper shell (1) and the lower shell (6); the lower shell (6) is connected with an air inlet pipe section (7) communicated with the inner cavity of the lower shell, and the upper shell (1) is connected with an air outlet bent pipe (2) communicated with the inner cavity of the upper shell; the air outlet bent pipe (2) is connected with a resonance component (3);

the resonance component (3) comprises a resonance shell (3-4) connected with an air outlet interface (3-5), a resonance shell buckle cover (3-3) is buckled on the resonance shell (3-4), an air inlet outer bent pipe (3-2) is connected on the resonance shell buckle cover (3-3), and an air inlet interface (3-1) is connected at the outer end part of the air inlet outer bent pipe (3-2); a support bent pipe (3-8) communicated with the resonance shell (3-4) and the air inlet socket (3-1) is arranged in the air inlet outer bent pipe (3-2); an air inlet inner bent pipe (3-9) is sleeved on the outer peripheral wall of the support bent pipe (3-8); air holes are arranged on the support bent pipe (3-8) and the air inlet inner bent pipe (3-9).

2. The low noise air cleaner intake apparatus of claim 1, wherein: the resonant shell (3-4) is connected with a wavelength tube plug interface (3-6) communicated with the inner cavity of the resonant shell, and the wavelength tube (4) is plugged on the wavelength tube plug interface (3-6).

3. The low noise air cleaner intake apparatus of claim 1, wherein: part of the top surface and/or part of the side wall of the upper shell (1) are/is inwards sunken to form a special-shaped curved surface; part of the bottom surface and/or part of the side wall of the lower shell (6) are/is inwards sunken to form a special-shaped curved surface.

4. The low noise air cleaner intake apparatus of claim 1, wherein: an outward-expanding upper buckling edge is fixedly connected to the lower edge of the side wall of the upper shell (1), an outward-expanding lower buckling edge is fixedly connected to the upper edge of the side wall of the lower shell (6), and the lower buckling edge is embedded into the upper buckling edge.

5. The low noise air cleaner intake apparatus of claim 4, wherein: the filter element comprises a mounting frame, filter paper is mounted in the mounting frame, a circle of mounting lugs vertical to the outer side face of the mounting frame are integrally formed at the edge of the mounting frame, and elastic sealing rings are inserted on the mounting lugs; the elastic sealing ring is clamped between the upper buckling edge and the lower buckling edge.

6. The low noise air cleaner intake apparatus of claim 1, wherein: a shell mounting rack (5) is connected to the lower shell (6), and a pipeline mounting rack (8) is connected to the air inlet pipe section (7); the through holes are formed in the shell mounting frame (5) and the pipeline mounting frame (8), the buffer blocks made of rubber materials are arranged in the through holes in a penetrating mode, the through holes are formed in the buffer blocks, the bushings are arranged in the through holes in a penetrating mode, and screws are arranged in the bushings in a penetrating mode.

7. The low noise air cleaner intake apparatus of claim 1, wherein: all be provided with the lug that corresponds the setting in the edge of last casing (1) and lower casing (6), go up casing (1) and lower casing (6) through wearing to locate the screw fastening connection in the lug.

8. The low noise air cleaner intake apparatus of claim 1, wherein: the outer peripheral wall of the resonance shell (3-4) is fixedly connected with a resonance mounting rack (3-7), the resonance mounting rack (3-7) is provided with a through hole, and a fastening screw penetrates through the through hole.