CN215927614U - Empty assembly and vehicle of straining - Google Patents

Abstract

The utility model provides an air filter assembly and a vehicle, wherein an elastic sleeve comprises an elastic sleeve main body, and a plurality of limiting mechanisms capable of preventing the elastic sleeve main body from axially falling off are arranged on the elastic sleeve main body; empty assembly of straining is including empty body, empty intake pipe and the elastic sleeve of straining, empty have on straining the body with empty intake pipe grafting complex empty air inlet of straining, the elastic sleeve includes the elastic sleeve main part, is equipped with a plurality of stop gear in the elastic sleeve main part, the elastic sleeve main part is fixed by the extrusion empty air inlet of straining with empty between straining the intake pipe, the elastic sleeve main part is passed through stop gear axial fixity is empty air inlet department of straining. According to the air filter assembly and the vehicle, when the air filter air inlet pipe is pulled out, the elastic sleeve main body can be effectively prevented from falling off, the elastic sleeve main body is prevented from being repeatedly installed in the maintenance process, the situation that the elastic sleeve main body is replaced by a new elastic sleeve main body due to falling off and loss of the elastic sleeve main body is avoided, the maintenance cost is reduced, and the use experience of a user is improved.

Description

Empty assembly and vehicle of straining

Technical Field

The utility model belongs to the technical field of vehicle parts and particularly relates to an air filter assembly and a vehicle.

Background

With the development of the automobile industry, people have higher and higher requirements on automobile performance. The air inlet system is a breathing system of the engine, the arrangement and installation of the air inlet system directly influence the exertion of the functions of the engine, and the air inlet system has important influence on ensuring the use reliability, the environmental protection and the service life of the engine. The existing air filter assembly is formed by assembling an air filter body and an air filter air inlet pipe, wherein the splicing and assembling are important assembling modes. In order to guarantee to peg graft the leakproofness and the connection reliability at position, can install elastic sealing ring additional between the air inlet of body and the empty intake pipe of straining in the conventional art, with guarantee sealing connection's requirement through elastic force, but, in the maintenance in-process, in case strain the intake pipe with the empty intake pipe and extract from the empty body of straining, then have very big probability to make elastic sealing ring drop from the empty body of straining in the lump, still need install elastic sealing ring again on the empty body of straining, more serious, elastic sealing ring after the dropout probably drops in the cabin, be difficult to look for, and then need more renew elastic sealing ring, the cost of overhaul has been increased, be unfavorable for promoting user's use impression.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an elastic sleeve, an air filter assembly and a vehicle, and aims to effectively position an elastic sleeve main body on an air filter body and avoid the elastic sleeve main body from falling off the air filter body when an air filter air inlet pipe is pulled out.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the first aspect provides an elastic sleeve, which comprises an elastic sleeve main body, wherein a plurality of limiting mechanisms capable of preventing the elastic sleeve main body from axially falling off are arranged on the elastic sleeve main body.

In a possible implementation manner, the limiting mechanism comprises a first limiting block, the first limiting block is fixedly arranged on the inner side of the elastic sleeve main body, and limiting grooves are formed in the two sides of the elastic sleeve main body in the circumferential direction.

In a possible implementation manner, the limiting mechanism further includes a second limiting block, the second limiting block is fixedly arranged on the inner side surface of the first limiting block, and the width of the second limiting block in the circumferential direction of the elastic sleeve main body is greater than the width of the first limiting block in the circumferential direction of the elastic sleeve main body.

In one possible realization, the outside of the elastic sleeve body has several protruding rings.

In the embodiment of the application, this elastic sleeve main part is applied to between two mutual grafting complex base members and the plug connector to realize the elasticity interference fit between base member and the plug connector, through set up stop gear in the elastic sleeve main part, make the relative position between elastic sleeve main part and the base member can effectively be injectd on the plug connector plug route, even when extracting the plug connector, also can effectively avoid the elastic sleeve main part to drop, avoid installing the elastic sleeve main part repeatedly.

In a second aspect, an embodiment of the present invention further provides an air filter assembly, including an air filter body, an air filter intake pipe, and an elastic sleeve, where the air filter body is provided with an air filter intake port in insertion fit with the air filter intake pipe, the elastic sleeve includes an elastic sleeve main body, the elastic sleeve main body is provided with a plurality of limiting mechanisms, the elastic sleeve main body is fixed between the air filter intake port and the air filter intake pipe by being pressed, and the elastic sleeve main body is axially fixed at the air filter intake port through the limiting mechanisms.

In a possible implementation manner, the limiting mechanism comprises a first limiting block, the first limiting block is fixedly arranged on the inner side of the elastic sleeve main body, limiting grooves are formed in the two sides of the elastic sleeve main body in the circumferential direction, a clamping groove matched with the first limiting block in a splicing mode is formed in the air filtering inlet, and a limiting protrusion matched with the limiting groove is arranged on the side wall of the clamping groove opening.

In a possible implementation manner, the limiting mechanism further comprises a second limiting block, the second limiting block is fixedly arranged on the inner side surface of the first limiting block, the second limiting block is arranged on the inner side surface of the elastic sleeve main body, the circumferential width of the elastic sleeve main body is larger than that of the first limiting block, and the distance between the inner side of the elastic sleeve main body and the second limiting block corresponds to the wall thickness of the air filter air inlet.

In a possible implementation manner, the width of the first limiting block in the circumferential direction of the elastic sleeve main body is gradually reduced along the insertion direction of the air filter air inlet pipe, and the width of the clamping groove in the circumferential direction of the air filter air inlet is gradually reduced along the insertion direction of the air filter air inlet pipe;

or the width of the first limiting block in the circumferential direction of the elastic sleeve main body is kept unchanged along the insertion direction of the air filtering air inlet pipe, and the width of the clamping groove in the circumferential direction of the air filtering air inlet is kept unchanged along the insertion direction of the air filtering air inlet pipe.

In one possible realization, the outside of the elastic sleeve body has several protruding rings.

In a possible implementation mode, the elastic sleeve main body is faced to the one end of the air filter air inlet pipe insertion direction is turned inwards and forms a first flanging, a first limit step is arranged in the air filter air inlet pipe, the first limit step and the end face of the air filter air inlet are matched and extruded with the first flanging, the inner edge of the first flanging is along the air filter air inlet pipe insertion direction is turned over and forms a second flanging, a second limit step is arranged in the air filter air inlet, and the second limit step is in end face contact with the second flanging.

The utility model provides an assembly is strained to sky, strain the opening and mutually support with the elastic sleeve main part that has stop gear through adopting the sky, make the elastic sleeve main part and the empty relative position of straining between the body can effectively be injectd on the empty intake pipe plug route of straining, even when extracting the sky intake pipe of straining, also can effectively avoid the elastic sleeve main part to drop, avoid overhauing the in-process and install the elastic sleeve main part repeatedly, the condition of changing new elastic sleeve main part because of the elastic sleeve main part drops the loss has also been avoided, maintenance cost is reduced, be favorable to promoting user's use impression.

In a third aspect, the utility model further provides a vehicle comprising the air filter assembly.

The utility model provides a vehicle, through adopting empty opening of straining and the elastic sleeve main part that has stop gear to mutually support, make the elastic sleeve main part and empty relative position who strains between the body can effectively be injectd on empty intake pipe plug route of straining, even when extracting empty intake pipe of straining, also can effectively avoid the elastic sleeve main part to drop, avoid overhauing the in-process and install the elastic sleeve main part repeatedly, the condition of changing new elastic sleeve main part because of the elastic sleeve main part drops the loss has also been avoided, maintenance cost is reduced, be favorable to promoting user's use impression.

Drawings

Fig. 1 is a schematic perspective view of an elastic sheath body according to an embodiment of the present invention;

FIG. 2 is a view taken along line A of FIG. 1;

FIG. 3 is a cross-sectional view B-B of FIG. 2;

FIG. 4 is a schematic perspective view of a second elastic sleeve according to an embodiment of the present invention;

FIG. 5 is a view in the direction C of FIG. 4;

FIG. 6 is a cross-sectional view taken along line D-D of FIG. 5;

fig. 7 is a schematic structural diagram of an air filter assembly according to an embodiment of the present invention;

FIG. 8 is a view in the direction E of FIG. 7;

FIG. 9 is a partial cross-sectional view F-F of FIG. 8;

FIG. 10 is a view in the direction G of FIG. 7;

FIG. 11 is a partial sectional view taken at H-H of FIG. 10;

FIG. 12 is a first schematic view of an assembly structure of an elastic sleeve main body and an air filter main body according to a first embodiment of the present invention;

FIG. 13 is an enlarged view of section I of FIG. 12;

FIG. 14 is an enlarged view of section K of FIG. 13;

fig. 15 is a schematic view of an assembly structure of the elastic sleeve main body and the air filter main body according to the first embodiment of the utility model;

FIG. 16 is a partial cross-sectional view of J-J of FIG. 15;

FIG. 17 is a schematic view of an assembly structure of a first limiting block and a sidewall of an air filter inlet according to a second embodiment of the present invention;

fig. 18 is an assembly structure diagram of a first limiting block and an air filter inlet side wall adopted by the third embodiment of the utility model.

Description of reference numerals:

1. an air filtering air inlet pipe; 2. an air filter body; 3. an elastic sleeve body; 4. an air filter inlet; 5. a card slot; 501. a limiting bulge; 6. a first stopper; 601. a limiting groove; 7. a second limiting block; 8. a first flanging; 9. a first limit step; 10. second flanging; 11. a second limit step; 12. a convex ring.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It should be noted that, the term "insertion direction" in the present application refers to a direction of the air filter inlet pipe 1 approaching the air filter body 1 when the air filter inlet pipe 1 is inserted and assembled, as shown by a dashed arrow on the right side in fig. 8; the "pulling-out direction" refers to a direction away from the air cleaner body 1 when the air cleaner intake duct 1 is detached, as indicated by a dotted arrow on the left side in fig. 8.

Referring to fig. 1 to 18 together, the elastic sleeve provided by the present invention will now be described. The elastic sleeve comprises an elastic sleeve main body 3, and a plurality of limiting mechanisms capable of preventing the elastic sleeve main body 3 from axially falling off are arranged on the elastic sleeve main body 3.

The elastic sleeve that this embodiment provided, compare with prior art, this elastic sleeve main part 3 is applied to between two mutual grafting complex base members and the plug connector to realize the elasticity interference fit between base member and the plug connector, through set up stop gear on elastic sleeve main part 3, make the relative position between elastic sleeve main part 3 and the base member can be effectively injectd on the plug connector plug route, even when extracting the plug connector, also can effectively avoid elastic sleeve main part 3 to drop, avoid installing elastic sleeve main part 3 repeatedly.

In some embodiments, referring to fig. 1 to 18, the limiting mechanism includes a first limiting block 6, which is convenient for manufacturing and assembling with a substrate (such as the air filter inlet 4), the first limiting block 6 is fixedly disposed inside the elastic sleeve body 3; meanwhile, in order to realize effective axial positioning, the first limiting block 6 is provided with limiting grooves 601 at two sides of the elastic sleeve main body 3 in the circumferential direction.

In some embodiments, referring to fig. 1 to 4, 9, and 11 to 15, the limiting mechanism further includes a second limiting block 7, the second limiting block 7 is fixedly disposed on an inner side surface of the first limiting block 6, and a width of the second limiting block 7 in the circumferential direction of the elastic sleeve main body 3 is greater than a width of the first limiting block 6 in the circumferential direction of the elastic sleeve main body 3. Through second stopper 7, can make elastic sleeve main part 3 can realize the joint cooperation with the base member (if empty air inlet 4 of straining) in the axial direction of perpendicular to elastic sleeve main part 3.

Through setting up second stopper 7, increased the position of elastic sleeve main part 3 and injectd, avoided elastic sleeve main part 3 to remove along the 3 axial directions of perpendicular to elastic sleeve main part, and then avoid first stopper 6 to break away from draw-in groove 5 on the base member (if empty air inlet 4 of straining) along the 3 axial directions of perpendicular to elastic sleeve main part, improved the reliability of assembly.

In some embodiments, the outside of the elastic sleeve body 3 has several collars 12. The bulge loop 12 elastic deformation volume of this embodiment is bigger, can carry out inseparabler extrusion contact with the inner wall of plug connector, promotes the reliability and the leakproofness of interference fit, avoids the plug connector to drop.

Specifically, the free end of the projecting ring 12 is inclined in a direction away from the plug main body. When the plug connector is installed, the convex ring 12 of the embodiment can guide the plug connector due to the inclined arrangement, and is convenient to install.

In some embodiments, referring to fig. 1 to 4, 9, 11 and 15, in order to make the structure more compact, the section of the protruding ring 12 is triangular, so that the protruding ring 12 is disposed around the outer circumference of the elastic sheath body 3 in an umbrella shape.

Based on the same inventive concept, please refer to fig. 1 to 18, the embodiment of the present application further provides an air filter assembly, which includes an air filter inlet pipe 1, an air filter body 2 and an elastic sleeve, wherein an air filter inlet 4 is formed on the air filter body 2; the elastic sleeve comprises an elastic sleeve main body 3, a plurality of limiting mechanisms are arranged on the elastic sleeve main body 3, the elastic sleeve main body 3 is extruded and fixed between an air filter air inlet 4 and an air filter air inlet pipe 1, and the elastic sleeve main body 3 is axially fixed at the air filter air inlet 4 through the limiting mechanisms.

Note that the axis of the air filter inlet 4 overlaps with the axis of the elastic sheath body 3. The air filter body 2 corresponds to the base body, and the air filter inlet pipe 1 corresponds to the plug-in unit.

The utility model provides an empty assembly of straining, compared with the prior art, strain opening 4 and the elastic sleeve main part 3 that has stop gear through adopting the sky and mutually support, make elastic sleeve main part 3 and empty relative position of straining between the body 2 can effectively be injectd on the empty intake pipe 1 plug route of straining, even when extracting the empty intake pipe 1 of straining, also can effectively avoid elastic sleeve main part 3 to drop, avoid overhauing the in-process and install elastic sleeve main part 3 repeatedly, also avoided losing the condition of the elastic sleeve main part 3 of renewal because of elastic sleeve main part 3 drops, the maintenance cost is reduced, be favorable to promoting user's use impression.

When the air filter assembly is assembled, the elastic sleeve main body 3 can be firstly installed on the air filter air inlet 4, and then the air filter air inlet pipe 1 is inserted into the air filter air inlet 4; the elastic sleeve body 3 can also be pre-installed on the air filter air inlet pipe 1 and then inserted and assembled to the air filter air inlet 4 together. The installation process is very convenient, and the difficulty of assembly or maintenance is reduced.

In some embodiments, referring to fig. 6, 12 to 18, the limiting mechanism includes a first limiting block 6, which is convenient for manufacturing and assembling with the air filter inlet 4, the first limiting block 6 is fixedly disposed inside the elastic sleeve body 3; simultaneously, in order to realize effectual axial positioning, first stopper 6 has all seted up spacing recess 601 in the ascending both sides in elastic sleeve main part 3 circumference, and empty 4 departments of straining the air inlet are equipped with first stopper 6 grafting complex draw-in groove 5, are equipped with on the lateral wall of draw-in groove 5 opening part with spacing recess 601 matched with spacing arch 501 to when extracting empty intake pipe 1 of straining, exert and extract opposite direction's effort through spacing arch 501 to first stopper 6.

In some embodiments, referring to fig. 1 to 4, 9, and 11 to 15, the limiting mechanism further includes a second limiting block 7, the second limiting block 7 is fixedly disposed on an inner side surface of the first limiting block 6, a width of the second limiting block 7 in the circumferential direction of the elastic sleeve main body 3 is greater than a width of the first limiting block 6 in the circumferential direction of the elastic sleeve main body 3, and a distance between an inner side of the elastic sleeve main body 3 and the second limiting block 7 corresponds to a wall thickness of the air filter air inlet 4, so as to achieve a snap fit in a direction perpendicular to the axial direction of the elastic sleeve main body 3.

Through setting up second stopper 7, increased the position of elastic sleeve main part 3 and injectd, avoided elastic sleeve main part 3 to remove along the direction of perpendicular to plug route, and then avoided first stopper 6 to break away from draw-in groove 5 along the direction of perpendicular to plug route, improve the reliability of assembly.

In some embodiments, in order to reduce the manufacturing difficulty and ensure that the first limiting block 6 can be sufficiently attached to the side wall of the clamping groove 5, the width of the first limiting block 6 in the circumferential direction of the elastic sleeve main body 3 is kept unchanged along the insertion direction of the air filter air inlet pipe 1, and the width of the clamping groove 5 in the circumferential direction of the air filter air inlet 4 is kept unchanged along the insertion direction of the air filter air inlet pipe 1. As shown in fig. 6 and 16, the first stopper 6 is substantially rectangular, and of course, the first stopper 6 may also be a square or other polygon with two parallel sides, which is not listed here.

Another kind of deformation embodiment of above-mentioned first stopper 6 does, for the convenience inserts, guarantees simultaneously that first stopper 6 can fully laminate with the lateral wall of draw-in groove 5, and first stopper 6 reduces along the empty direction of inserting of straining intake pipe 1 in the ascending width in elastic sleeve main part 3 circumference gradually, and draw-in groove 5 reduces along the empty direction of inserting of straining intake pipe 1 in the empty main part width of straining air inlet 4 circumference gradually. The first stopper 6 shown in fig. 17 has a semicircular shape, and the first stopper 6 shown in fig. 18 has a trapezoidal shape.

In some embodiments, referring to fig. 1, fig. 2, fig. 4 and fig. 15, the inner side surface of the second stopper 7 is a cambered surface, and the axis of the cambered surface is parallel to the axis of the elastic sleeve body 3. The middle part of the second limiting block 7 is a main connecting area with the first limiting block 6, the structural strength of the second limiting block 7 can be obviously enhanced through the cambered surface design, the phenomenon that the second limiting block 7 is broken in the using process is avoided, and the service life of the second limiting block is prolonged.

In some embodiments, referring to fig. 1 to 4, 9, 11, 15 to 18, one end of the elastic sleeve main body 3 facing the insertion direction of the air filter inlet pipe 1 is turned inwards to form a first turned edge 8, a first limit step 9 is arranged in the air filter inlet pipe 1, and the first limit step 9 and the end surface of the air filter inlet 4 are matched to extrude the first turned edge 8; the inner edge of the first flanging 8 is folded along the insertion direction of the air filter air inlet pipe 1 to form a second flanging 10, the inner wall of the air filter air inlet 4 is provided with a second limiting step 11, and the second limiting step 11 is in contact with the end face of the second flanging 10.

In this embodiment, avoid the direct rigid contact of first spacing step 9 and empty terminal surface of straining air inlet 4 through first turn-ups 8, lead to the friction abnormal sound of the in-process of traveling, formed the elastic contact region between the two, be favorable to promoting the NVH performance of vehicle. Second turn-ups 10, first turn-ups 8 and the cooperation of elastic sleeve main part 3 form with the equidirectional open-ended U-shaped groove structure of direction of insertion, and the empty tip of straining air inlet 4 of U-shaped groove structure ability holding avoids 8 perk of first turn-ups to warp, also can promote the spacing degree to elastic sleeve main part 3 on the perpendicular to plug route.

Referring to fig. 1, 3, 4, 9 and 11, in order to enhance the structural strength of the second stopper 7 and the second flange 10, one end of the second stopper 7 facing the insertion direction extends to the inner side surface of the second flange 10.

In some embodiments, the outside of the elastic sleeve body 3 has several collars 12. The bulge loop 12 elastic deformation volume of this embodiment is bigger, can carry out inseparabler extrusion contact with empty inner wall of straining intake pipe 1, promotes the reliability and the leakproofness of interference fit, avoids leading to empty intake pipe 1 of straining to drop because of rocking in vehicle operation process.

In particular, the free end of the collar 12 is inclined in a direction away from the body of the air filter inlet duct 1. The bulge loop 12 of this embodiment because the setting of its slope, can play the guide effect, easy to assemble to empty filter intake pipe 1 when empty filter intake pipe 1 installation.

In some embodiments, referring to fig. 1 to 4, 9, 11 and 15, in order to make the structure more compact, the section of the protruding ring 12 is triangular, so that the protruding ring 12 is disposed around the outer circumference of the elastic sheath body 3 in an umbrella shape.

In some embodiments, the elastic sleeve body 3 may be in the shape of a circular ring, a square ring, a rectangular ring, etc., and can be adapted to the shapes of the air filter inlet 4 and the air filter inlet pipe 1. Correspondingly, in order to be matched with the air filter air inlet pipe 1, the convex rings 12 are distributed along the circumferential direction of the elastic sleeve main body 3 and are also in the shapes of circular rings, square rings, rectangular rings and the like.

Specifically, the kneck of intake pipe 1 is strained to sky in this application roughly is the rectangle, has three fillet and a closed angle, and the shape that air inlet 4 was strained to elastic sleeve main part 3 and sky is also the same, because the difference of shape, can avoid the problem that the butt joint direction made mistakes, realizes preventing slow-witted function, improves the packaging efficiency.

Of course, the foolproof butt joint among the air filter air inlet pipe 1, the elastic sleeve main body 3 and the air filter air inlet 4 can also be realized by other structures, for example, the air filter air inlet pipe 1, the elastic sleeve main body 3 and the air filter air inlet 4 are respectively set to other asymmetric shapes, which are not listed here.

In some embodiments, in order to facilitate manufacturing and ensure structural strength and sealing performance, the elastic sleeve main body 3, the first limiting block 6, the second limiting block 7, the first flange 8 and the second flange 10 are all integrally formed rubber members, or are integrally formed other elastic material members, and requirements for assembly and manufacturing can be met.

The air filter assembly is simple in structure, convenient to assemble, low in production cost and firm to install, the elastic sleeve main body 3 cannot fall off along with the extraction of the air filter air inlet pipe 1 during maintenance, the reliability and the sealing performance of butt joint between the air filter air inlet pipe 1 and the air filter air inlet 4 can be guaranteed during driving, meanwhile, the requirement of high-level platform design can be achieved due to the fact that the whole vehicle is convenient to arrange and maintain after sales, and the air filter assembly can be flexibly applied to different vehicle types.

Based on the same inventive concept, the embodiment of the application also provides a vehicle, which comprises the air filter assembly.

The utility model provides a vehicle, through adopting empty opening 4 and the elastic sleeve main part 3 that has stop gear to mutually support of straining, make elastic sleeve main part 3 and empty relative position who strains between the body 2 can effectively be injectd on empty intake pipe 1 plug route of straining, even when extracting empty intake pipe 1 of straining, also can effectively avoid elastic sleeve main part 3 to drop, avoid overhauing the in-process and install elastic sleeve main part 3 repeatedly, also avoided losing the condition of the elastic sleeve main part 3 of more renewing because of elastic sleeve main part 3 drops, the maintenance cost is reduced, be favorable to promoting user's use impression.

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 and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (7)

1. The utility model provides an empty assembly of straining, its characterized in that, strains intake pipe and elastic sleeve including empty body, empty strain have on the body with the empty intake pipe grafting complex empty air inlet of straining is strained to the empty, the elastic sleeve includes the elastic sleeve main part, be equipped with a plurality of stop gear in the elastic sleeve main part, the elastic sleeve main part is fixed by the extrusion the empty air inlet of straining with empty between straining the intake pipe, the elastic sleeve main part passes through stop gear axial fixity in empty air inlet department of straining.

2. The air filter assembly according to claim 1, wherein the limiting mechanism comprises a first limiting block, the first limiting block is fixedly arranged at the inner side of the elastic sleeve main body, limiting grooves are formed in the two circumferential sides of the elastic sleeve main body of the first limiting block, a clamping groove matched with the first limiting block in an inserted manner is formed in the air inlet of the air filter, and a limiting protrusion matched with the limiting grooves is formed in the side wall of the opening of the clamping groove.

3. The air filter assembly according to claim 2, wherein the limiting mechanism further comprises a second limiting block, the second limiting block is fixedly arranged on the inner side surface of the first limiting block, the width of the second limiting block in the circumferential direction of the elastic sleeve main body is larger than that of the first limiting block in the circumferential direction of the elastic sleeve main body, and the distance between the inner side of the elastic sleeve main body and the second limiting block corresponds to the wall thickness of the air filter inlet.

4. The air filter assembly according to claim 2, wherein the width of the first stopper in the circumferential direction of the elastic sleeve main body is gradually reduced along the insertion direction of the air filter inlet pipe, and the width of the locking groove in the circumferential direction of the air filter inlet pipe is gradually reduced along the insertion direction of the air filter inlet pipe;

or the width of the first limiting block in the circumferential direction of the elastic sleeve main body is kept unchanged along the insertion direction of the air filtering air inlet pipe, and the width of the clamping groove in the circumferential direction of the air filtering air inlet is kept unchanged along the insertion direction of the air filtering air inlet pipe.

5. The air filter assembly according to claim 1, wherein said elastomeric sleeve body has a plurality of raised rings on an outer side thereof.

6. The air filter assembly according to claim 1, wherein one end of the elastic sleeve main body facing the insertion direction of the air filter inlet pipe is folded inwards to form a first flange, a first limiting step is arranged in the air filter inlet pipe, and the first limiting step is matched with the end face of the air filter inlet to extrude the first flange; the inner edge of the first flanging is turned over along the insertion direction of the air filter air inlet pipe to form a second flanging, a second limiting step is arranged in the air filter air inlet, and the second limiting step is in contact with the end face of the second flanging.

7. A vehicle comprising an air filter assembly according to any one of claims 1 to 6.

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