CN216111062U

CN216111062U - Air inlet structure, air filter and vehicle

Info

Publication number: CN216111062U
Application number: CN202121042975.2U
Authority: CN
Inventors: 郑冠军; 韩洪滨
Original assignee: BAIC Motor Co Ltd
Current assignee: BAIC Motor Co Ltd
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2022-03-22
Anticipated expiration: 2031-05-14

Abstract

The utility model relates to the technical field of air filtration, in particular to an air inlet structure, an air filter and a vehicle; the air inlet structure comprises an air inlet pipe, a first separating piece and a snow collecting and removing device, wherein the first separating piece is connected with the inner wall of the air inlet pipe and used for blocking impurities in air, and comprises a first channel for air circulation; the snow collecting and removing device is communicated with the pipe cavity of the air inlet pipe and is used for collecting and discharging impurities. The air current in the inlet tube removes when striking with first separator, the striking makes gaseous and impurity centrifugal separation in the air current, gaseous entering to the air cleaner casing from first passageway is smooth, impurity receives blockking and impurity self action of gravity whereabouts of first separator, the impurity after snow collection excluder will separate is collected and is discharged, rise because of the air cleaner air inlet resistance that the impurity piles up in intake pipe and the air cleaner casing, the filter core warp the damaged problem that loses filtration efficiency and sealing function.

Description

Air inlet structure, air filter and vehicle

Technical Field

The utility model relates to the technical field of air filtration, in particular to an air inlet structure, an air filter and a vehicle.

Background

During the use of the automobile in winter, snow usually enters the air filter from the air inlet, and the snow accumulates more and more along with the time, so that the air inlet channel of the air filter is gradually narrowed, and the air inlet resistance is increased; even in extreme cases, this can result in air filter pleats being deformed and creating an open circuit, allowing snowflakes to be blown into the clean end channel, with a high potential for engine damage.

Among the prior art, set up the dust exhaust hole in air cleaner's lower casing department, this dust exhaust hole's setting can effectual dust removal, but can not avoid the snowflake to enter into air cleaner. In winter, snowflakes enter the air filter from the air inlet and are accumulated at the air inlet channel, and the air inlet resistance of the air filter is increased to cause the filter element to deform and damage, so that the filter element loses the filtering efficiency and the sealing effect.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to an air intake structure to solve or partially solve the problem that the filter element is deformed and damaged to lose the filtering efficiency and the sealing function due to the increase of the air intake resistance of the air filter when the existing snowflakes enter the air filter.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

an air intake structure, comprising a plurality of air intake holes,

the air inlet pipe is used for being connected with the air inlet end of the air filter shell;

the first separating piece is connected with the inner wall of the gas inlet pipe and used for blocking impurities in gas, and the first separating piece comprises a first channel for gas circulation;

and the snow collecting and removing device is communicated with the pipe cavity of the air inlet pipe and is used for collecting and discharging the impurities.

Further, the first separating member is disposed obliquely with respect to the intake pipe.

Furthermore, an included angle between the upper part of the first separating piece and the axis of the air inlet pipe is an acute angle; the included angle is 30-60 degrees.

Further, the first separating member is a plate-shaped structure, and the first channel is arranged at the upper part of the first separating member.

Further, the first separating member is formed with a plurality of through holes, which are the first passages.

Furthermore, the first separating piece is close to the air outlet end of the air inlet pipe, and the snow-collecting and removing device is close to the first separating piece and is positioned on one side of the first separating piece, which is far away from the air outlet end.

Further, the snow-collecting and removing device comprises an accommodating groove and a normally-closed valve which is opened by gas pressure or gravity, the accommodating groove is communicated with the pipe cavity of the air inlet pipe, and the normally-closed valve is connected with the bottom of the accommodating groove.

Further, the air intake structure further includes,

one end of the second separating piece is connected with the inner wall of the air inlet pipe, the other end of the second separating piece is a free end, and the free end and the pipe wall of the air inlet pipe form a second channel;

the second separating piece is obliquely arranged relative to the air inlet pipe and is positioned on one side, away from the air inlet end, of the first separating piece, and the second channel faces the snow collecting and removing device.

Compared with the prior art, the air inlet structure has the following advantages:

according to the air inlet structure, the first separating piece is fixedly connected with the inner wall of the air inlet pipe, the first channel is arranged on the first separating piece, when the air flow in the air inlet pipe moves to collide with the first separating piece, the collision enables the air and impurities in the air flow to be centrifugally separated, the air smoothly enters the shell of the air filter from the first channel, and the impurities fall under the blocking of the first separating piece and the gravity of the impurities. The impurity after the utilization again with the collection snow remover of the lumen intercommunication of intake pipe is collected and is discharged after the separation to eliminate because of intake pipe and the air cleaner casing internal impurity pile up the air cleaner air inlet resistance that leads to and rise, the filter core warp the damaged problem that loses filtration efficiency and sealing action.

Another objective of the present invention is to provide an air cleaner and a vehicle, so as to solve or partially solve the problem that the filter element is deformed and damaged due to the increase of the air intake resistance of the conventional air cleaner, and the filtering efficiency and the sealing function are lost.

an air filter comprises an air filter shell and the air inlet structure, wherein the air inlet end of the air filter shell is connected with the end part of the air inlet structure.

A vehicle comprises the air filter.

The air filter and the vehicle have the same advantages as the air inlet structure compared with the prior art, and the detailed description is omitted.

The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic view of an air cleaner according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a first separating member according to an embodiment of the present invention.

Description of reference numerals:

1, an air inlet pipe; 11-an air outlet end;

2-a first separating member; 21-a first channel;

3-snow-collecting and removing device;

4-a second separator; 41-a second channel;

5-an air cleaner housing; 51-gas inlet end; 52-an upper housing; 53-lower shell;

6-air filter element.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In addition, the front and rear mentioned in the embodiment of the utility model refer to the front and rear with respect to the forward direction of the vehicle.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1 and 2, the present embodiment provides an air intake structure including an air intake pipe 1, a first separator 2, and a snow remover 3, the air intake pipe 1 being configured to be connected to an air inlet end 51 of an air cleaner case 5; the first separating part 2 is connected with the inner wall of the gas inlet pipe 1 and is used for blocking impurities in the gas, and the first separating part 2 comprises a first channel 21 for gas circulation; the snow-collecting and removing device 3 is communicated with the pipe cavity of the air inlet pipe 1 and is used for collecting and discharging the impurities.

Specifically, the air inlet end 51 is one end formed on the air cleaner case 5 to be connected to the intake pipe 1; this intake pipe 1 and air cleaner casing 5 are fixed connection, and the joint strength of intake pipe 1 and air cleaner casing 5 satisfies the operation requirement.

Referring to fig. 2, the outer edge of the first separating part 2 is connected with the inner wall of the air inlet pipe 1, and the firmness and stability of the connection of the first separating part 2 and the air inlet pipe 1 meet the use requirement.

The air inlet structure of this application embodiment, the inner wall fixed connection of first separator 2 and intake pipe 1 to be equipped with first passageway 21 on first separator 2, when the air current in the intake pipe 1 removed and strikes with first separator 2, the striking makes gas and impurity centrifugal separation in the air current, gas from the smooth entering to air cleaner casing 5 of first passageway 21 in, impurity receives the stopping of first separator 2 and impurity self action of gravity whereabouts. And then the impurities after separation are collected and discharged by the snow-collecting remover 3 communicated with the pipe cavity of the air inlet pipe 1, so that the problems that the air inlet resistance of the air filter is increased, the filter element is deformed and damaged and loses the filtering efficiency and the sealing effect due to the accumulation of the impurities in the air inlet pipe 1 and the air filter shell 5 are solved.

In the examples of the present application, the impurities are large-grained objects such as snowflakes, crushed stones, clods, and the like.

Referring to fig. 1, the first separating member 2 is disposed obliquely with respect to the air inlet pipe 1, and an included angle between an upper portion of the first separating member 2 and an axis of the air inlet pipe 1 is an acute angle.

After the air current moved and collided with first separator 2, impurity self gravity was big, and most downstream moved, and the upper portion of first separator 2 is the acute angle with the contained angle of the axis of intake pipe 1, and the space of piling up impurity between the pipe wall of first separator 2 and intake pipe 1 is big.

Specifically, the upper portion of the first separator 2 makes an angle of 30 ° to 60 ° with the axis of the intake pipe 1, thereby reducing the force of the foreign substances striking the first separator 2.

Referring to fig. 2, the first separating member 2 is a plate-shaped structure, the edge of the first separating member 2 is fixedly connected to the inner wall of the air inlet pipe 1, the shape of the first separating member 2 is completely adapted to the interior of the air inlet pipe 1, and the first passage 21 is disposed at the upper portion of the first separating member 2.

After the air current moves and strikes with first separator 2, because the air is little for the weight of impurity, most rebound, consequently, set up first passageway 21 on the upper portion of first separator 2, make things convenient for gas to pass first passageway 21 and flow into in to air cleaner casing 5, reduce the air intake resistance to avoid the air filter 6 fold deformation in the air cleaner casing 5, avoid air filter 6 to damage and form the open circuit and lose filtration efficiency and sealing effect.

The first separating piece 2 is of a plate-shaped structure, so that the first separating piece 2 is convenient to process and manufacture, and the manufacturing cost is reduced.

In the embodiment of the present application, the first separator 2 is formed with a plurality of through holes, which are the first passages 21.

The through hole is the first passageway 21, and simple structure is stable, the convenient processing preparation, the cost of first separator 2.

Referring to fig. 2, the first passage 21 is disposed at the middle of the upper portion of the first separator 2, and both sides thereof have a closed structure, and both of them may be used to block impurities in the gas flow, as in the case of the lower portion of the first separator 2.

The through holes are arranged in an array, and the number of the through holes determines the flow of air entering the air filter casing 5. In practical application, the flow of the gas entering the air filter can be adjusted according to the number of the adjusting through holes.

It can be understood that, in practical applications, the shape of the through hole may be set according to usage requirements, such as a circular through hole shown in fig. 2, or a square hole, an opposite-type hole, and the like, which is not limited in the embodiment of the present invention.

Referring to fig. 1, one of the first separating members 2 is close to the air outlet end 11 of the air inlet pipe 1, that is, the left end of the air inlet pipe 1 is the air outlet end 11; in the embodiment of the application, the air inlet pipe 1 is L-shaped, the snow-collecting remover 3 is close to the first separating part 2 and is positioned on one side of the first separating part 2 far away from the air outlet end 11, and the snow-collecting remover 3 is arranged near the inflection point of the air inlet pipe 1.

In one embodiment, the snow-collecting and removing device 3 includes a receiving groove communicated with the lumen of the air inlet pipe 1 and a normally closed valve opened by gas pressure or gravity, and the normally closed valve is connected to the bottom of the receiving groove.

Intake structure is in the use, impurity can fall in the lumen and the accepting groove of intake pipe 1, because the setting position of accepting groove, the vibration of intake pipe 1 etc, impurity can pile up in the accepting groove, when the gas pressure that normally closed valve received or the weight of impurity reach normally closed valve opening condition, normally closed valve opens, impurity in the back discharge accepting groove is opened to normally closed valve, treat that normally closed valve satisfies the closing condition and close the valve often, the accepting groove continues to collect impurity.

In the embodiment of this application, normal close formula valve is normal close formula rubber valve, and specific rubber valve can be the check valve that the rubber material preparation formed.

Referring to fig. 1, the air intake structure further includes a second separating member 4, one end of the second separating member 4 is fixedly connected to the inner wall of the air intake pipe 1, and the other end is a free end, and the free end and the pipe wall of the air intake pipe 1 form a second channel 41; meanwhile, the second separating member 4 is obliquely arranged relative to the air inlet pipe 1 and is positioned on one side of the first separating member 2 away from the air inlet end 51, and the second channel 41 faces the snow collector and remover 3.

Referring to fig. 1, the air inlet pipe 1 is L-shaped, the first separating member 2 and the second separating member 4 are respectively located at two ends of a bent portion of the air inlet pipe 1, the first separating member 2 is located at the lower end of the air inlet pipe 1, the second separating member 4 is located at the upper end of the air inlet pipe 1, and the snow-collecting and removing device 3 is located between the first separating member 2 and the second separating member 4. The second channel 41 faces the snow collector and remover 3, and when the air flow collides with the second separating member 4, the air and the impurities are centrifugally separated, the air moves along the extending direction of the air inlet pipe 1, and the impurities move toward the snow collector and remover 3 and are collected by the snow collector and remover 3.

The second separating member 4 is arranged obliquely in relation to the air inlet tube 1, in the embodiment of the application the second separating member 4 is arranged obliquely 45 in relation to the air inlet tube 1.

It is understood that, in practical applications, the inclination angle of the second separating member 4 may be set according to the use requirement, which is not limited by the embodiment of the present invention.

In another embodiment, the air inlet conduit 1 is of a straight-tube type, in which case the snow-collecting and removing machine 3 may be arranged between the first separating member 2 and the second separating member 4, and the same function may be achieved close to said first separating member 2.

Referring to fig. 1, the present embodiment further provides an air cleaner, which includes an air cleaner housing 5 and the air intake structure in the above embodiment, and the air inlet end 51 of the air cleaner housing 5 is connected to an end of the air intake structure.

Wherein, the air cleaner case 5 comprises an upper case 52 and a lower case 53, the upper case 52 and the lower case 53 are detachably connected, and in practical application, the upper case 52 and the lower case 53 are connected into a whole by using bolts. Meanwhile, an air filter element 6 is fixedly arranged in the accommodating space formed by the upper shell 52 and the lower shell 53.

The embodiment of the application also provides a vehicle, which comprises the air filter in the embodiment.

Because air inlet structure can avoid piling up the air cleaner air inlet resistance that leads to and rising because of impurity in intake pipe 1 and the air cleaner casing 5, the filter core warp the damaged problem that loses filter efficiency and sealing effect, consequently, can avoid the engine to break down, the vehicle be used for experience better.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. An air intake structure, characterized by comprising,

the air inlet pipe (1) is connected with an air inlet end (51) of the air filter shell (5);

a first separator (2) connected to the inner wall of the gas inlet pipe (1) for blocking impurities in the gas, the first separator (2) comprising a first channel (21) for the passage of the gas;

and the snow collecting and removing device (3) is communicated with the pipe cavity of the air inlet pipe (1) and is used for collecting and discharging the impurities.

2. An air intake structure according to claim 1, wherein the first separating member (2) is disposed obliquely with respect to the air intake pipe (1), and an angle between an upper portion of the first separating member (2) and an axis of the air intake pipe (1) is an acute angle.

3. The air intake structure according to claim 2, wherein the included angle is 30 ° to 60 °.

4. An air intake structure according to any one of claims 1 to 3, wherein the first separating member (2) is of a plate-like structure, and the first passage (21) is provided in an upper portion of the first separating member (2).

5. An air intake structure according to claim 4, wherein the first separator (2) is formed with a plurality of through holes, which are the first passages (21).

6. An air intake structure according to claim 1, wherein a first separating member (2) is located near an air outlet end (11) of the air intake pipe (1), and the snow catcher (3) is located near a first separating member (2) on a side of the first separating member (2) remote from the air outlet end (11).

7. An air intake structure according to claim 1, wherein the snow-collecting and removing machine (3) includes a housing tank communicating with the lumen of the air intake pipe (1) and a normally-closed valve opened by gas pressure or gravity, the normally-closed valve being connected to the bottom of the housing tank.

8. The air intake structure according to claim 1, further comprising,

one end of the second separating piece (4) is connected with the inner wall of the air inlet pipe (1), the other end of the second separating piece is a free end, and the free end and the pipe wall of the air inlet pipe (1) form a second channel (41);

the second separating piece (4) is obliquely arranged relative to the air inlet pipe (1) and is positioned on one side, away from the air inlet end (51), of the first separating piece (2), and the second channel (41) faces the snow collecting and removing device (3).

9. An air cleaner, characterized by comprising an air cleaner housing (5) and an air intake structure according to any one of claims 1-8, the air intake end (51) of the air cleaner housing (5) being connected to an end of the air intake structure.

10. A vehicle characterized by comprising the air cleaner of claim 9.