CN108590898B

CN108590898B - Air filter

Info

Publication number: CN108590898B
Application number: CN201810338757.XA
Authority: CN
Inventors: 钱时俊; 张辉; 李静; 时双; 董学朝; 慈龙尚
Original assignee: Anhui Jianghuai Automobile Group Corp
Current assignee: Anhui Jianghuai Automobile Group Corp
Priority date: 2018-04-16
Filing date: 2018-04-16
Publication date: 2020-05-05
Anticipated expiration: 2038-04-16
Also published as: CN108590898A

Abstract

The invention discloses an air filter, which comprises a shell, an end cover and an air inlet channel, wherein the air inlet channel is made of an elastic material; an air inlet is formed in the side wall of the shell; one end of the air inlet channel is provided with a joint part which is jointed with the outlet of the air inlet channel, and the joint part is bent outwards along the port of the air inlet channel; the other end of the air inlet channel is fixedly connected with the edge of the air inlet. The air inlet channel of the air filter can be directly connected with the outlet of the air inlet channel, and the air inlet pipeline is short, so that the air inlet resistance is effectively reduced, and the service life of the air filter is prolonged.

Description

Air filter

Technical Field

The present disclosure relates to automotive engine intake systems, and more particularly, to an air cleaner.

Background

The air filter is widely applied to an engine air inlet system of an automobile, and mainly plays a role in filtering impurities and dust in air so as to enable clean air to enter the engine, avoid abrasion of an engine cylinder caused by the impurities and the dust entering the engine and shorten the service life of the engine.

As shown in fig. 1, the conventional air cleaner includes a housing 1 'and an end cap 2', the end cap 2 'is connected to one end of the housing 1' by a snap-fit, wherein a mounting seat 11 'and an air inlet 12' are disposed on a side wall of the housing 1 ', the air inlet 12' protrudes outward from the side wall of the housing 1 'and is integrally formed with the side wall, and an air outlet 13' is disposed at the other end of the housing 1 'corresponding to the end cap 2'.

When the air filter is installed, the outlet of the air inlet channel of the air inlet system is connected with the air inlet clamp of the air filter through a rubber pipe. Because the pipeline between intake duct and the air cleaner is longer, lead to the air intake resistance greatly increased of the air that gets into the air cleaner, seriously influenced air cleaner's life.

Therefore, how to provide an air filter with small air intake resistance and long service life becomes a technical problem to be solved urgently in the field.

Disclosure of Invention

The invention aims to provide a novel technical scheme of an air filter with small air inlet resistance and long service life.

According to a first aspect of the present invention, an air cleaner is provided.

The air filter comprises a shell, an end cover and an air inlet channel, wherein the air inlet channel is made of elastic materials; wherein the content of the first and second substances,

an air inlet is formed in the side wall of the shell;

one end of the air inlet channel is provided with a joint part which is jointed with an outlet of the air inlet channel, and the joint part is bent outwards along a port of the air inlet channel;

the other end of the air inlet channel is fixedly connected with the edge of the air inlet.

Optionally, the air inlet is a square air inlet, and the air inlet passage is a square air inlet passage.

Optionally, a joint surface which is jointed with an outlet of the air inlet channel is arranged on the joint part, and a circumferential rib is arranged on the joint surface; and/or

The laminating is equipped with the hoop ripple section on the face of contact, so that the laminating area of the export of binding face and intake duct is variable.

Optionally, the air cleaner further comprises a connector;

the air inlet channel with the one end that the air inlet is connected with the edge of air inlet is laminated mutually, just the air inlet channel with the edge of air inlet passes through connecting piece fixed connection.

Optionally, the connector is a rivet.

Optionally, a first receiving groove for receiving an edge of the air inlet is formed in the air inlet channel, and the connecting piece penetrates through at least one side wall of the first receiving groove.

Optionally, be equipped with the recess on the inner wall of first holding tank, be equipped with on the air inlet with the arch of recess looks block, protruding orientation is kept away from the direction extension of casing.

Optionally, a second accommodating groove is formed in the inner wall of the air inlet channel;

the edge of air inlet is equipped with the turn-ups, the turn-ups with the second holding tank cooperatees.

Optionally, the air cleaner further comprises an intake resistance sensor mount.

Optionally, the air inlet channel is made using a rubber moulding process.

According to an embodiment of the disclosure, an air inlet channel of the air filter can be directly connected with an outlet of an air inlet channel, an air inlet pipeline is short, air inlet resistance is effectively reduced, and the service life of the air filter is prolonged.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a schematic structural view of a conventional air cleaner.

FIG. 2 is a schematic structural view of an embodiment of the air cleaner of the present invention.

FIG. 3 is a schematic view of the construction of the housing and end cap of the air cleaner of the present invention.

Fig. 4 is a schematic view showing the structure of an intake passage of an air cleaner according to the present invention.

Fig. 5 is a cross-sectional view of an air cleaner of the present invention.

Fig. 6 is a partial structural view of fig. 5.

Fig. 7 is a schematic view of the structure at a in fig. 6.

Fig. 8 is a schematic view of the structure at B in fig. 6.

The figures are labeled as follows:

the air inlet structure comprises a shell body-1 ', a mounting seat-11 ', an air inlet-12 ', an air outlet-13 ', an end cover-2 ', a shell body-1, an air inlet-11, a protrusion-111, a flanging-112, an air outlet-12, a mounting seat-13, an end cover-2, an air inlet channel-3, a joint part-31, a binding surface-311, a circumferential convex rib-3110, a first accommodating groove-32, a groove-320, a second accommodating groove-33, a connecting piece-4 and an air inlet resistance sensor mounting seat-5.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

The invention provides an air filter, aiming at solving the problems of large air inlet resistance and short service life of the air filter.

As shown in fig. 2 to 8, the air cleaner of the present disclosure includes a housing 1, an end cover 2, and an intake passage 3. The intake passage 3 is made of an elastic material. Specifically, the elastic material may be, for example, rubber or elastic plastic. The intake passage 3 made of an elastic material is advantageous in enhancing the shock absorbing performance of the air cleaner. Both the housing 1 and the end cap 2 may be made of long glass fiber reinforced polypropylene, such as polypropylene with 20% glass fiber added, to increase the tensile strength and impact resistance of the air cleaner.

The end cap 2 may be connected to one end of the housing 1, and the connection between the two may be accomplished by means well known in the art, such as a spring snap connection or the like. The other end of the shell 1 corresponding to the end cover 2 can be provided with an air outlet 12, and the air outlet 12 can be provided with a reinforcing rib. The housing 1 may be provided on an outer surface thereof with a mounting seat 13 for mounting an air cleaner.

An air inlet 11 is opened on the side wall of the housing 1. The air inlet 11 is typically a through hole in the side wall of the housing 1.

One end of the intake passage 3 has an engaging portion 31 that engages with an outlet of the intake passage. The above "joint" means that the intake passage 3 can be closely fitted to the outlet of the intake passage of the intake system of the automobile engine so that the air flowing out from the outlet of the intake passage can directly enter the air cleaner through the intake passage 3. The joint portion 31 is bent outward along the port of the intake passage 3. The above-mentioned "outward" refers to a direction away from the inner wall of the intake passage 3. The specific structure of the joint portion 31 may be set according to actual requirements, for example, the joint portion 31 may have a structure of straight plate-shaped burring, or the joint portion 31 may have a structure of curved burring.

The other end of the air inlet channel 3 is fixedly connected with the edge of the air inlet 11. The fixed connection between the inlet channel 3 and the inlet 11 may be, for example, a rivet connection or a bolt connection or the like.

The air inlet channel 3 of the air filter can be directly connected with the outlet of the air inlet channel, the air inlet pipeline is short, air inlet resistance is effectively reduced, and the service life of the air filter is prolonged. In addition, the air inlet channel 3 made of elastic materials is beneficial to enhancing the damping performance of the air filter, so that the service life of the air filter is further prolonged.

In one embodiment of the air cleaner of the present invention, the air inlet 11 is a square air inlet, and the air intake passage 3 is a square air intake passage. The square intake port 11 and the intake passage 3 contribute to an increase in the area of intake air to reduce intake resistance.

In one embodiment of the air cleaner of the present invention, the joint 31 has a contact surface 311 contacting the outlet of the intake duct, and the contact surface 311 has a circumferential bead 3110. The arrangement of the circumferential ribs 3110 can effectively improve the strength of the joint portion 31, and is also beneficial to ensuring that the joint portion 31 is more tightly jointed with the air inlet channel. The number of the circumferential ribs 3110 can be flexibly set according to actual requirements, and the disclosure is not further limited herein.

In an embodiment of the air cleaner of the present invention, the abutting surface 311 is provided with a circumferential corrugated section (not shown in the figure), so that the abutting area of the abutting surface 311 and the outlet of the air inlet passage is variable. The circumferential corrugated section means that the abutting surface 311 has a corrugated portion. When the attaching surface 311 is attached to the outlet of the air inlet, the circumferential corrugated section may deform under the action of the force applied by the air inlet, so that the attaching area of the attaching surface 311 and the outlet of the air inlet becomes larger or smaller, and the joint portion 31 is more tightly attached to the air inlet.

Of course, in practical implementation, the abutting surface 311 may be provided with both the circumferential ribs 3110 and the circumferential corrugated sections to ensure that the joint 31 and the air inlet duct are effectively and reliably joined together.

In one embodiment of the air cleaner of the present invention, the air cleaner further comprises a connector 4. The end that air inlet channel 3 is connected with air inlet 11 is laminated with the edge of air inlet 11 mutually, and air inlet channel 3 and the edge of air inlet 11 pass through connecting piece 4 fixed connection. During specific implementation, the edges of the air inlet channel 3 and the air inlet 11 can be correspondingly provided with connecting holes, and the connecting piece 4 penetrates through the connecting holes to install the air inlet channel 3 on the shell 1.

Further, the connecting member 4 is a rivet.

Further, the intake passage 3 is provided with a first receiving groove 32 for receiving an edge of the intake port 11. The provision of the first accommodation groove 32 contributes to increasing the sealability of the connection of the intake passage 3 and the housing 1. The connection member 4 passes through at least one sidewall of the first receiving groove 32 to ensure effective connection of the connection member 4. The first receiving groove 32 may be located at an edge of the intake passage 31.

Furthermore, a groove 320 is formed on an inner wall of the first receiving groove 32, and a protrusion 111 engaged with the groove 320 is formed on the air inlet 11. The projection 111 extends in a direction away from the housing 1. The groove 320 and the projection 111 contribute to increase the reliability and sealing of the connection of the intake passage 3 and the housing 1.

Further, a second receiving groove 33 is provided on an inner wall of the intake passage 3. The edge of the air inlet 11 is provided with a flange 112, and the flange 112 is matched with the second accommodating groove 33. The second receiving groove 33 may be located at a position spaced apart from the port of the intake passage 3. The provision of the second accommodation groove 33 is advantageous for increasing the reliability and sealing property of the connection of the intake passage 3 and the housing 1.

In specific implementation, the first receiving groove 32 and the second receiving groove 33 may be disposed at different positions where the air inlet channel 3 is connected to the air inlet 11, so that the air inlet channel 3 is more flexibly adapted to the housing 1.

In one embodiment of the air cleaner of the present invention, the air cleaner further includes an intake resistance sensor mount 5. According to actual needs, intake resistance sensor mount 5 can be used to install intake resistance sensor to the realization is to the control of intake resistance.

In one embodiment of the air cleaner of the present invention, the intake passage 3 is formed by a rubber molding process. The air inlet channel 3 made by adopting the rubber mould pressing process has the advantages of high elasticity and good physical and mechanical properties.

To more clearly illustrate the air cleaner of the present disclosure, the following description will be given taking the embodiment shown in fig. 5 to 8 as an example:

as shown in the drawings, the air cleaner of the present disclosure includes a housing 1, an end cover 2, an intake passage 3, a connector 4, and an intake resistance sensor mount 5, wherein the connector 4 is a rivet.

One end of the shell 1 is connected with the end cover 2 through a spring buckle, the other end of the shell 1 is provided with an air outlet 12, and the outer surface of the shell 1 is provided with a mounting seat 13 for mounting an air filter. The housing 1 and the end cap 2 are made of polypropylene with 20% glass fibre added.

The side wall of the shell 1 is provided with a square air inlet 11.

One end of the square intake passage 3 has a joint portion 31 for engaging with an outlet of an intake duct, the joint portion 31 is bent outward along a port of the intake passage 3, and the joint portion 31 has a structure of a curved burring. The joint 31 is provided with a bonding surface 311 bonded to the outlet of the intake duct, and the bonding surface 311 is provided with a circumferential bead 3110.

One end of the air inlet channel 3 connected with the air inlet 11 is jointed with the edge of the air inlet 11. A first receiving groove 32 for receiving an edge of the intake port 11 is provided on an edge of one side of the intake passage 3. The inner wall of the first receiving groove 32 is provided with a groove 320, the air inlet 11 is provided with a protrusion 111 engaged with the groove 320, and the protrusion 111 extends towards a direction away from the housing 1. The connection member 4 may pass through one sidewall of the first receiving groove 32 and the housing 1 to fixedly connect the intake passage 3 and the housing 1 together. The inner wall of the other side of the air inlet channel 3 is provided with a second accommodating groove 33. The second accommodation groove 33 is located at a position spaced apart from the port of the intake passage 3. The edge of the air inlet 11 is provided with a flange 112 matched with the second accommodating groove 33. The connecting member 4 may pass through a portion of the wall of the intake passage 3 between the second receiving groove 33 and the port of the intake passage 3 and the housing 1 to fixedly connect the intake passage 3 and the housing 1 together. The air inlet channel 3 is made by adopting a rubber mould pressing process.

The intake resistance sensor mount 5 is provided on the housing 1 for mounting the intake resistance sensor.

The air inlet channel 3 of the air filter can be directly connected with the outlet of the air inlet channel, the air inlet pipeline is short, air inlet resistance is effectively reduced, and the service life of the air filter is prolonged. In addition, the air inlet channel 3 made by adopting the rubber mould pressing process is beneficial to enhancing the shock absorption performance of the air filter, thereby further prolonging the service life of the air filter.

Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. An air cleaner is characterized by comprising a shell, an end cover and an air inlet channel, wherein the air inlet channel is made of elastic materials; wherein the content of the first and second substances,

an air inlet is formed in the side wall of the shell and is adjacent to the side wall of the shell on the side opposite to the end cover;

the other end of the air inlet channel is fixedly connected with the edge of the air inlet;

the air inlet is a square air inlet, and the air inlet channel is a square air inlet channel;

the air filter further comprises a connecting piece;

one end of the air inlet channel, which is connected with the air inlet, is attached to the edge of the air inlet, and the edges of the air inlet channel and the air inlet are fixedly connected through the connecting piece;

a first accommodating groove used for accommodating the edge of the air inlet is formed in the outer wall of the air inlet channel, and the connecting piece penetrates through at least one side wall of the first accommodating groove;

a groove is formed in the inner wall of the first accommodating groove, a protrusion clamped with the groove is formed in the air inlet, and the protrusion extends towards the direction far away from the shell;

a second accommodating groove is formed in the inner wall, adjacent to the side wall of the shell, of the air inlet channel;

the edge of air inlet is equipped with the turn-ups, the turn-ups with the second holding tank cooperatees, the connecting piece passes second holding tank downside inlet channel's lateral wall.

2. The air cleaner of claim 1, wherein the joint portion is provided with a joint surface which is jointed with the outlet of the air inlet channel, and the joint surface is provided with a circumferential convex rib; and/or

3. The air cleaner of claim 1, wherein the connector is a rivet.

4. The air cleaner of claim 1, further comprising an intake resistance sensor mount.

5. An air cleaner according to any one of claims 1 to 4 wherein the air inlet passage is formed using a rubber moulding process.