CN214499262U

CN214499262U - Air filter air inlet device with dust fall function in advance

Info

Publication number: CN214499262U
Application number: CN202120158748.XU
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: 2021-10-26
Anticipated expiration: 2031-01-21

Abstract

The utility model relates to an air cleaner air inlet unit with dust fall function in advance. The filter comprises an upper shell and a lower shell which are mutually butted and buckled, and 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 bent pipe communicated with the inner cavity of the lower shell, the air inlet bent pipe is connected with a first resonator communicated with the inner cavity of the air inlet bent pipe, and the air inlet end of the air inlet bent pipe is connected with an air inlet pipe orifice; the inner cavity of the lower shell is connected with an air inlet extension pipe communicated with the air inlet bent pipe, the inner cavity of the air inlet extension pipe is provided with a spiral rotational flow plate, and the air inlet extension pipe is detachably connected with the lower shell; an air outlet hose communicated with the inner cavity of the upper shell is connected to the upper shell, a second resonator communicated with the inner cavity of the upper shell is connected to the air outlet hose, and an insertion pipe section communicated with the inner cavity of the air outlet hose is connected to the air outlet hose. The utility model discloses can carry out the dust removal operation in advance to the air of wearing the filter core, improve the life of filter core.

Description

Air filter air inlet device with dust fall function in advance

Technical Field

The utility model belongs to the technical field of car air intake system, especially, relate to an air cleaner air inlet unit with dust fall function in advance.

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 air filter is an important component of an automobile and is used for filtering dust and impurities contained in air sucked by an engine so as to reduce early wear of a cylinder, a piston ring, an air valve and an air valve seat. The prior air filter is generally composed of an upper shell, a lower shell and a filter element positioned in the shell. The upper and lower shells are respectively provided with an air outlet pipe and an air inlet pipe, and the air outlet pipe of the upper shell is connected with the engine through an engine air inlet system. Outside air enters the inner cavity through the air inlet pipe on the lower shell, enters the upper shell after being filtered by the filter element, and is guided into the engine through the engine air inlet system.

Filter paper after the filter core in current air cleaner extensively uses folding filters air to get into air cleaner and filters, and at the in-process of filtered air, the dust can be gradually on filter paper, and more along with the dust of the lapse of time, the filter effect of corresponding filter paper worsens gradually, causes the life-span of filter core to descend sharply, needs frequent renew cartridge.

SUMMERY OF THE UTILITY MODEL

The utility model provides an air filter air inlet unit with dust fall function in advance for solving the technical problem that exists among the well-known technique. The utility model discloses can carry out the dust removal operation in advance to the air of wearing the filter core, improve the life of filter core.

The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be: an air filter air inlet device with a pre-dust-settling function 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 bent pipe communicated with the inner cavity of the lower shell, the air inlet bent pipe is connected with a first resonator communicated with the inner cavity of the air inlet bent pipe, and the air inlet end of the air inlet bent pipe is connected with an air inlet pipe orifice; the inner cavity of the lower shell is connected with an air inlet extension pipe communicated with the air inlet bent pipe, the inner cavity of the air inlet extension pipe is provided with a spiral rotational flow plate, and the air inlet extension pipe is detachably connected with the lower shell; an air outlet hose communicated with the inner cavity of the upper shell is connected to the upper shell, a second resonator communicated with the inner cavity of the upper shell is connected to the air outlet hose, and an insertion pipe section communicated with the inner cavity of the air outlet hose is connected to the air outlet hose.

The utility model has the advantages that: the utility model provides an air inlet device of an air filter with pre-dust-settling function, which can convey air into the air filter by arranging an air inlet bent pipe, and simultaneously, the bending structure of the air inlet bent pipe can reduce the occupied space of an air inlet pipeline to a certain extent; the air with dust blowing can be subjected to pre-dedusting through the air inlet extension pipe and the cyclone plate, so that strong air with a large amount of dust is prevented from directly contacting with the filter element, the dedusting effect of the filter element is improved, and the service life of the filter element is prolonged; meanwhile, the air flowing speed of air entering the air filter is uniform through the air inlet extension pipe, so that the phenomena of vortex and deformation caused by uneven stress on the upper surface and the lower surface of the filter element are avoided, the air inlet resistance of the engine is reduced, and the power of the engine is improved; the first resonator and the second resonator can effectively reduce noise generated in the use process of the air inlet device.

Preferably: the lower part edge of last casing is connected with the trough of belt fixture block that the multiunit distributes according to circumference, and the upper portion edge of casing is connected with multiunit and trough of belt fixture block joint complex buckle down.

Preferably: part of the top surface and/or part of the side wall of the upper shell are/is inwards sunken to form a 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 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: a plurality of groups of first mounting frames are arranged on the air inlet bent pipe, a plurality of groups of second mounting frames are arranged on the first resonator, and a plurality of groups of third mounting frames are arranged on the lower shell; the through holes are formed in the first mounting frame, the second mounting frame and the third mounting frame, 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.

Preferably: 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 and the lower shell.

Preferably: a wave pipe is inserted in the insertion pipe section.

Drawings

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

fig. 2 is a schematic perspective view of the air inlet extension pipe of the present invention.

In the figure: 1. an air inlet pipe orifice; 2. a first mounting bracket; 3. an air inlet bent pipe; 4. a first resonator; 5. a second mounting bracket; 6. a lower housing; 7. buckling; 8. a clamping block with a groove; 9. an upper housing; 10. a second resonator; 11. a pipe section is plugged; 12. An air outlet hose; 13. a third mounting bracket; 14. an intake extension pipe; 14-1 and a swirl plate.

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 cleaner air inlet device with pre-dust-settling function of the present invention includes an upper housing 9 and a lower housing 6 that are butted and locked with each other, an upper fastening edge that is externally extended is fixed at the lower edge of the sidewall of the upper housing 9, an lower fastening edge that is externally extended is fixed at the upper edge of the sidewall of the lower housing 6, and the lower fastening edge is embedded into the upper fastening edge. A filter element is arranged in a space formed by the upper shell 9 and the lower shell 6, the filter element comprises an installation frame, filter paper is installed in the installation frame, a circle of installation lugs vertical to the outer side surface of the installation frame are integrally formed at the edge of the installation frame, and elastic sealing rings are inserted on the installation 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 9, prevents gas leakage, improves filtration efficiency, and then can protect the engine better.

Be connected with the trough of belt fixture block 8 that the multiunit distributes according to circumference in the lower part edge of last casing 9, be connected with multiunit and trough of belt fixture block 8 joint complex buckle 7 in the upper portion edge of casing 6 down. Install and dismantle last casing 9 and lower casing 6 that can be quick through setting up trough of belt fixture block 8 and buckle 7, make things convenient for subsequent routine maintenance. Adopt buckle 7 and trough of belt fixture block 8's joint cooperation to make go up casing 9 and casing 6 fastening connection down, open buckle 7 when needing more filter core, can part go up casing 9 and casing 6 down, avoid using other instruments, it is easy and simple to handle.

Part of the top surface and/or part of the side wall of the upper shell 9 is/are recessed inwards to form a 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 curved surface. The curved surface can divide the larger plane bottom surfaces of the upper shell 9 and the lower shell 6 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 shells is increased; meanwhile, the curved surface can guide the airflow to be uniformly distributed before entering the filter element, so that 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 6.

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 9 and the lower shell 6. Latticed grid reinforcing ribs are arranged at the top of the inner cavity of the upper shell 9 and the bottom of the inner cavity of the lower shell 6.

As shown in fig. 1, the lower shell 6 is connected with an air inlet elbow 3 communicated with the inner cavity of the lower shell, and the air inlet elbow 3 is of a bent structure, so that the occupied space of the air inlet pipeline assembly can be reduced to a certain extent. The air inlet bent pipe 3 is connected with a first resonator 4 communicated with the inner cavity of the air inlet bent pipe, and the noise generated by the air filter in the running process of the automobile can be effectively reduced by arranging the first resonator 4. The air inlet end of the air inlet elbow 3 is connected with an air inlet pipe orifice 1.

An air inlet extension pipe 14 communicated with the air inlet elbow pipe 3 is connected to an inner cavity of the lower shell 6, further referring to fig. 2, a spiral rotational flow plate 14-1 is arranged in the inner cavity of the air inlet extension pipe 14, specifically: a spiral notch is formed in the inner wall surface of the air inlet extension pipe 14, the spiral notch extends from the air inlet of the air inlet extension pipe 14 to the air outlet, and the spiral rotational flow plate 14-1 is arranged along the spiral notch. In this embodiment, the extension pipe 14 that admits air can be dismantled with lower casing 6 and be connected, has the mounting panel at the air intake department integrated into one piece from extension pipe 14 that admits air promptly, is provided with the joint piece on the mounting panel, offers the draw-in groove that carries out the joint with above-mentioned joint piece on casing 6 down.

The spiral whirl plate 14-1 accessible in this embodiment is rotatory to go out dirt particle and dust centrifugation that get into in the air cleaner, and then carries out elementary dust removal operation to the air that flows through air inlet extension pipe 14, avoids on a large amount of dirt particles and dust get into air cleaner back attached filter core, avoids a large amount of particles after a period to block up the filter core, has improved the whole life-span of filter core effectively.

In addition, most of the existing air filters have the defects that the flow speed of internal air is not uniform, the vortex phenomenon is easy to generate, and the power of an engine is influenced; the uneven pressure that can make the filter core surface receive of the air velocity of flow on the surface can be uneven about the filter core, and then causes the filter core to warp, and the dust can appear in the place that air velocity is big simultaneously and piles up, influences the filter core life-span. In the embodiment, the air flow speed in the air filter is uniform by arranging the air inlet extension pipe 14, so that the phenomena of vortex and deformation caused by uneven stress on the upper surface and the lower surface of the filter element are avoided, the air inlet resistance of the engine is reduced, and the power of the engine is improved.

As shown in fig. 1, an air outlet hose 12 communicated with an inner cavity of the upper housing 9 is connected to the upper housing 9, a second resonator 10 communicated with the inner cavity of the air outlet hose 12 is connected to the air outlet hose 12, an insertion pipe section 11 communicated with the inner cavity of the air outlet hose 12 is connected to the air outlet hose 12, a wavelength pipe is inserted into the insertion pipe section 11, and other resonators can be inserted into the insertion pipe section 11. The noise generated by the air intake device during the operation of the vehicle can be further reduced by providing the second resonator 10, the wavelength tube/other resonator.

As shown in fig. 1, a plurality of sets of first mounting brackets 2 are arranged on the intake elbow 3, a plurality of sets of second mounting brackets 5 are arranged on the first resonator 4, and a plurality of sets of third mounting brackets 13 are arranged on the lower shell 6; all seted up the through-hole on first mounting bracket 2, second mounting bracket 5 and third mounting bracket 13, wear to be equipped with the buffer block of rubber material in the through-hole, seted up the through-hole on the buffer block and wear to be equipped with the bush in the through-hole, wear to be equipped with the screw in the bush. The air inlet device is convenient to install and fix through setting up mounting bracket and screw, and simultaneously, the setting of buffer block and bush can reduce air inlet device's vibration.

In this embodiment, part of the bottom surface and/or part of the side walls of the first resonator 4 and the second resonator 10 are/is recessed inwards to form a curved surface, and the curved surface can divide the larger planar bottom surface of the resonators into a plurality of smaller planes, so that the natural frequency of the planes is improved, the noise in the high-speed driving process of the automobile is further reduced, and the modal strength of the shell is increased.

When the filter element is used, the upper shell 9 and the lower shell 6 are tightly connected through the clamping block 8 with the groove and the buckle 7, the buckle 7 is opened when the filter element needs to be replaced, the upper shell 9 and the lower shell 6 can be separated, other tools are avoided, and the operation is simple and convenient; the gas enters the shell of the filter through the air inlet bent pipe 3, and the first resonator 4 can play a good role in noise reduction in the process; the air entering the filter needs to flow through the air inlet extension pipe 14 and then enters the inner cavity of the filter, and in the process, the spiral rotational flow plate 14-1 can centrifuge out dirt particles and dust entering the air filter through rotation, so that primary dust removal operation is carried out on the air flowing through the air inlet extension pipe 14, and a large amount of dirt particles and dust are prevented from attaching to a filter element after entering the air filter; meanwhile, the air inlet extension pipe 14 can make the air flowing speed in the air filter uniform, avoid the occurrence of vortex phenomenon and deformation phenomenon caused by uneven stress on the upper surface and the lower surface of the filter element, reduce the air inlet resistance of the engine and improve the power of the engine. The air which completes the primary dust removal flows to the filter element under the guiding of the air inlet extension pipe 14 for secondary filtering dust removal, clean, dry, sufficient and stable air is further conveyed for the engine to meet the requirement of the engine, and 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 outlet hose 12 may deliver the filtered gas to the engine, and the second resonator 10 and the wave pipe on the outlet hose 12 may further function to reduce noise.

Claims

1. The utility model provides an air cleaner air inlet unit with dust fall function in advance, characterized by: the filter comprises an upper shell (9) 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 (9) and the lower shell (6); the lower shell (6) is connected with an air inlet bent pipe (3) communicated with the inner cavity of the lower shell, the air inlet bent pipe (3) is connected with a first resonator (4) communicated with the inner cavity of the air inlet bent pipe, and the air inlet end of the air inlet bent pipe (3) is connected with an air inlet pipe orifice (1); an air inlet extension pipe (14) communicated with the air inlet bent pipe (3) is connected to the inner cavity of the lower shell (6), a spiral rotational flow plate (14-1) is arranged in the inner cavity of the air inlet extension pipe (14), and the air inlet extension pipe (14) is detachably connected with the lower shell (6); an air outlet hose (12) communicated with the inner cavity of the upper shell (9) is connected to the upper shell, a second resonator (10) communicated with the inner cavity of the upper shell is connected to the air outlet hose (12), and an insertion pipe section (11) communicated with the inner cavity of the upper shell is connected to the air outlet hose (12).

2. The air cleaner air inlet device with the pre-dust-fall function as claimed in claim 1, wherein: be connected with grooved fixture block (8) that the multiunit distributes according to circumference in the lower part edge of last casing (9), be connected with multiunit and grooved fixture block (8) joint complex buckle (7) in the upper portion edge of casing (6) down.

3. The air cleaner air inlet device with the pre-dust-fall function as claimed in claim 1, wherein: part of the top surface and/or part of the side wall of the upper shell (9) is/are inwards sunken to form a curved surface; part of the bottom surface and/or part of the side wall of the lower shell (6) is/are inwards sunken to form a curved surface.

4. The air cleaner air inlet device with the pre-dust-fall function as claimed in claim 1, wherein: an outward-expanding upper buckling edge is fixedly connected to the lower edge of the side wall of the upper shell (9), 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 air cleaner air inlet device with the pre-dust-fall function as claimed in 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 air cleaner air inlet device with the pre-dust-fall function as claimed in claim 1, wherein: a plurality of groups of first mounting frames (2) are arranged on the air inlet bent pipe (3), a plurality of groups of second mounting frames (5) are arranged on the first resonator (4), and a plurality of groups of third mounting frames (13) are arranged on the lower shell (6); the through holes are formed in the first mounting frame (2), the second mounting frame (5) and the third mounting frame (13), the buffer blocks made of rubber 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 air cleaner air inlet device with the pre-dust-fall function as claimed in claim 1, wherein: 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 (9) and the lower shell (6).

8. The air cleaner air inlet device with the pre-dust-fall function as claimed in claim 1, wherein: a wave pipe is inserted on the insertion pipe section (11).