CN209908631U

CN209908631U - Air cleaner and engine assembly and car

Info

Publication number: CN209908631U
Application number: CN201920519179.XU
Authority: CN
Inventors: 吴小华; 伍智; 袁建军
Original assignee: SHANGHAI FLEETGUARD FILTER CO Ltd
Current assignee: SHANGHAI FLEETGUARD FILTER CO Ltd
Priority date: 2019-04-17
Filing date: 2019-04-17
Publication date: 2020-01-07
Anticipated expiration: 2029-04-17

Abstract

The utility model relates to a filter field specifically discloses an air cleaner and engine assembly and car. The air filter comprises a filter element and a shell, wherein one of the filter element and the shell is provided with an installation groove, the installation groove comprises an insertion groove and a positioning groove, and the positioning groove is communicated with the insertion groove; a positioning lug is arranged on the inner wall of the positioning groove along the axial direction of the filter element; and the other one of the filter element and the shell is provided with an installation block, the installation block is provided with a positioning groove, the installation block can be moved into the positioning groove through the insertion groove, and the positioning lug is clamped with the positioning groove. Thereby make the position of filter core realize axial and radial location, ensure that the filter core installation targets in place to realize filter core circumferencial direction's fixed, make the filter core be difficult for deviating from, simple structure, and low in manufacturing cost.

Description

Air cleaner and engine assembly and car

Technical Field

The utility model belongs to the technical field of the filter and specifically relates to an air cleaner and engine assembly and car are related to.

Background

An air filter, a device for removing particle impurities in air. When the piston machine works, if the sucked air contains impurities such as dust, the abrasion of parts is increased, so that an air filter is required to be arranged. The air cleaner comprises filter core and shell two parts, and the assembly between filter core and the shell conventionally contains two kinds of assembly methods: axial seal metal filter element assembly structure and radial polyurethane sealant (PU) assembly structure. Radial PU mounting structures are currently the most commonly used structure due to the ease of assembly and the light weight requirements of the automotive industry. However, because the PU seal structure filter element needs to be injection molded during production, the injection molding quality is easily influenced by various aspects such as temperature, materials, operation and the like, the sealing effect is poor, the filter element is easy to separate during application and maintenance, and the filtering performance of the filter element is influenced. Particularly, for an air filter with a safety filter element, when the main filter element is maintained, in order to prevent dirt and other impurities from entering the clean air side of an air inlet system in the process of detaching the main filter element, the safety filter element is required to be in a connection and sealing state with a shell, however, the safety filter element adopting a conventional assembly mode is easy to take out the installed filter element in operation, and the function of maintenance without stopping the machine cannot be realized.

SUMMERY OF THE UTILITY MODEL

Based on above, an object of the utility model is to provide an air cleaner and engine assembly and car realize that the filter core installation is firm, is difficult for deviating from, reduces the production degree of difficulty and cost simultaneously.

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

the utility model provides an air filter, which comprises a filter element and a shell, wherein the filter element is arranged in the shell, one of the filter element and the shell is provided with a mounting groove, the mounting groove comprises an insertion groove and a positioning groove, and the positioning groove is communicated with the insertion groove; a positioning lug is arranged on the inner wall of the positioning groove along the axial direction of the filter element; the filter core with be equipped with the installation piece on another in the shell, be provided with positioning groove on the installation piece, the installation piece can by the insertion groove removes extremely in the constant head tank, just positioning lug with the positioning groove joint.

Further, the mounting groove still includes the guide way, the guide way slope sets up, just the both ends of guide way respectively with the insertion groove with the constant head tank intercommunication, the installation piece can be in proper order through the insertion groove with the guide way removes to the constant head tank.

Further, work as the locating lug with when the positioning groove joint, along the circumference of filter core, the installation piece with the constant head tank butt.

Furthermore, the height of the positioning lug protruding out of the inner wall of the positioning groove is H, and H is more than or equal to 0.5mm and less than or equal to 1.5 mm.

Further, H ═ 1 mm.

Furthermore, along the circumferential direction of the filter element, a plurality of mounting grooves are uniformly distributed on the filter element; follow the circumference of shell, it is a plurality of the installation piece equipartition in on the inner wall of shell, it is a plurality of the installation piece sets up with a plurality of the mounting groove one-to-one.

Further, the air cleaner still includes the sealing washer, the sealing washer by elastic material make and respectively with the filter core with the shell butt.

The utility model also provides an engine assembly, include as above-mentioned any one technical scheme air cleaner.

The utility model also provides an automobile, include the engine assembly.

The utility model has the advantages that: the filter element is reliably connected with the shell by the matching of the installation groove and the installation block, the structure is simple, and the manufacturing cost is low; the insertion groove and the positioning groove are arranged, so that the position of the filter element is axially and radially positioned, and the filter element is ensured to be installed in place; through setting up the cooperation of location lug and positioning groove, realize the fixed of installation piece circumferencial direction, make the installation piece be difficult for deviating from to ensure that the filter core installation is firm.

Drawings

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

FIG. 2 is a partial cross-sectional view of an air cleaner according to an embodiment of the present invention;

FIG. 3 is a schematic view of a filter element of an air cleaner according to an embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a schematic structural view of a housing of an air cleaner according to an embodiment of the present invention;

fig. 6 is a partial cross-sectional view of a housing of an air cleaner according to an embodiment of the present invention.

In the figure:

1-a filter element; 2-a housing; 3-sealing ring; 4-mounting grooves; 5, mounting a block; 41-insertion groove; 42-positioning grooves; 43-a guide groove; 44-positioning bumps; 51-a positioning groove; 52-guide surface.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

As shown in fig. 1-6, the utility model provides an air filter, this air filter include filter core 1, shell 2 and sealing washer 3, and filter core 1 installs in shell 2, and sealing washer 3 is made by the elastic material and respectively with

filter core

1 and 2 butts of shell, in this embodiment, sealing washer 3 can directly be the suit in the one end of filter core 1. Wherein, be equipped with mounting groove 4 on one in filter core 1 and the shell 2, be equipped with installation piece 5 on another in filter core 1 and the shell 2, the installation groove 4 realizes being connected fixedly with shell 2 with the cooperation of installation piece 5. As shown in fig. 3 and 5, in the present embodiment, a mounting groove 4 is exemplarily provided on the outer circumferential surface of the filter element 1, and a mounting block 5 is provided on the inner wall of the housing 2.

Specifically, as shown in fig. 4, the mounting groove 4 includes an insertion groove 41 and a positioning groove 42. In the present embodiment, the insertion groove 41 is provided on the outer circumferential surface of one end of the filter element 1 in the axial direction (X direction in the drawing) of the filter element 1. The width of the insertion groove 41 in the circumferential direction (Y direction in the drawing) of the filter element 1 is not smaller than the width of the mounting block 5, so that the mounting block 5 can be inserted into the insertion groove 41 in the X direction without hindrance. The positioning grooves 42 are communicated with the insertion groove 41 and are sequentially arranged along the Y direction with the insertion groove 41, and the depth of the positioning grooves 42 is not less than the thickness of the installation block 5 along the X direction, so that the installation block 5 can rotate to the positioning grooves 42 from the insertion groove 41. In the present embodiment, the cross section of the insertion groove 41 in the Y direction is square, and correspondingly, the cross section of the mounting block 5 is also square. Of course, the cross-sectional shapes of the insertion groove 41 and the mounting block 5 are not limited in this embodiment.

Alternatively, the mounting groove 4 further includes a guide groove 43, the guide groove 43 is obliquely disposed, and both ends of the guide groove 43 communicate with the insertion groove 41 and the positioning groove 42, respectively. Specifically, the bottom of the insertion groove 41 communicates with the guide groove 43, and the positioning groove 42, the guide groove 43, and the insertion groove 41 are arranged in this order in the Y direction. After the installation block 5 enters the insertion groove 41, the installation block 5 can enter the positioning groove 42 through the guide groove 43 along with the rotation of the filter element 1, so that the installation of the filter element 1 is more labor-saving. It will be appreciated that the mounting block 5 is movably located within the guide slot 43.

Since the air cleaner is in a vibrating working environment, there is a risk that the mounting block 5 is pulled out of the positioning groove 42 in the Y direction. In order to ensure that the filter element 1 and the housing 2 are firmly matched in the Y direction, in this embodiment, the positioning protrusion 44 is disposed on the inner wall of the positioning groove 42 along the X direction, and accordingly, the mounting block 5 is provided with the positioning groove 51, the positioning groove 51 is disposed in a manner matched with the positioning protrusion 44, the mounting block 5 can be located in the positioning groove 42, and the positioning protrusion 44 is clamped with the positioning groove 51, so that the position of the mounting block 5 in the positioning groove 42 is fixed. It can be understood that when the mounting block 5 is rotated from the insertion slot 41 to the positioning slot 42 through the guide slot 43, the positioning projection 44 is just engaged with the positioning groove 51. Preferably, when the positioning protrusion 44 is engaged with the positioning groove 51, the mounting block 5 abuts against the positioning groove 42 along the Y direction, thereby further enhancing the positioning of the mounting block 5 in the circumferential direction.

Specifically, the positioning protrusion 44 may be integrally formed with the positioning groove 42, or may be separately provided, and a cross section of the positioning protrusion 44 along the Y direction may be a circle or a quadrangle, and of course, the shape of the positioning protrusion 44 is not limited in this embodiment. The positioning groove 51 is arranged on the end face of the mounting block 5 facing the filter cartridge 1 in the X direction, and the shape of the positioning groove 51 matches with the positioning projection 44.

If the height of the positioning bump 44 protruding out of the inner wall of the positioning groove 42 is too large, the mounting block 5 can only abut against the positioning bump 44, the positioning bump 44 cannot smoothly enter the positioning groove 51, and the filter element 1 cannot be mounted in place, so that the filter element 1 is easy to loosen; if the height of the positioning projection 44 protruding the inner wall of the positioning groove 42 is too small, the positioning projection 44 is easily separated from the positioning groove 42 under the action of vibration, and effective positioning in the circumferential direction of the mounting block 5 cannot be realized. Therefore, in the present embodiment, the height of the positioning protrusion 44 protruding the inner wall of the positioning groove 42 is preferably H, which is 0.5mm ≦ H ≦ 1.5 mm. Further preferably, the height H of the positioning protrusion 44 protruding the inner wall of the positioning groove 42 is 1 mm.

Preferably, the positioning projection 44 is provided on an inner wall of the positioning groove 42 on a side away from the insertion groove 41. In this embodiment, during the assembly process of the filter element 1, the sealing ring 3 is compressed, the elastic force generated by the sealing ring 3 has a tendency of driving the filter element 1 to move in the X direction relative to the housing 2, and the direction of the elastic force is consistent with the direction of the connecting line between the positioning groove 42 and the positioning projection 44, so that the positioning projection 44 can be tightly clamped with the positioning groove 51, and the mounting block 5 is not easily separated from the positioning groove 42, thereby ensuring that the filter element 1 is tightly connected and fastened with the housing 2.

Because the positioning lug 44 is arranged, the depth of a part of the positioning groove 42 along the X direction is smaller than the maximum thickness of the mounting block 5, in the process of installing and detaching the mounting block 5, the installation or detachment of the mounting block 5 is difficult and laborious, aiming at the problem, in the embodiment, the mounting block 5 further comprises two guide surfaces 52, the two guide surfaces 52 are intersected to form a protruding part, the positioning groove 51 is arranged on the protruding part, in the process of installing and detaching the mounting block 5, the positioning lug 44 only contacts with a small part of the protruding part, and therefore the mounting block 5 can smoothly enter and detach from the positioning groove 42. Preferably, the side wall of the positioning groove 51 is connected with the two guide surfaces 52 through arc surfaces, so that the positioning groove 51 is in smooth transition with the two guide surfaces 52, the positioning projection 44 can conveniently enter the positioning groove 51, and the installation of the filter element 1 is more labor-saving. When the mounting block 5 is disengaged from the positioning slot 42, the movement path is opposite to the mounting path, and will not be described herein.

Optionally, be provided with a plurality of mounting grooves 4 on filter core 1, a plurality of mounting grooves 4 are along filter core 1's circumference equipartition on filter core 1, a plurality of installation pieces 5 are along shell 2's circumference equipartition on shell 2's inner wall, a plurality of installation pieces 5 set up with a plurality of mounting grooves 4 one-to-one to realize filter core 1 and shell 2 further fully connected, make filter core 1 installation more firm, be difficult for deviating from, ensure simultaneously that filter core 1 atress is even.

When the filter element 1 is installed, the sealing ring 3 and the filter element 1 are sequentially installed in the shell 2 along the X direction, the sealing ring 3 is respectively abutted against the inner wall of the shell 2 and the filter element 1, the filter element 1 is adjusted to a proper position, the installation block 5 can enter the insertion groove 41, then the filter element 1 is pushed along the X direction, the installation block 5 reaches the bottom of the insertion groove 41, then the filter element 1 is rotated along the Y direction, so that the installation block 5 enters the positioning groove 42 along the guide groove 43, and when the positioning groove 51 is clamped with the positioning lug 44, the filter element 1 is installed in place; when the filter element 1 is disassembled, the filter element 1 is reversely rotated along the Y direction until the mounting block 5 is completely separated from the positioning groove 42 and the guide groove 43, and then the filter element 1 is reversely moved along the X direction, so that the mounting block 5 is moved out of the insertion groove 41, and the maintenance or the replacement of the filter element 1 can be carried out.

The embodiment also provides an engine assembly comprising the air filter.

The embodiment also provides an automobile comprising the engine assembly.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. An air cleaner, comprising a filter element (1) and a housing (2), the filter element (1) being mounted in the housing (2), characterized in that,

one of the filter element (1) and the shell (2) is provided with a mounting groove (4), the mounting groove (4) comprises an insertion groove (41) and a positioning groove (42), and the positioning groove (42) is communicated with the insertion groove (41); a positioning lug (44) is arranged on the inner wall of the positioning groove (42) along the axial direction of the filter element (1);

the filter core (1) with be equipped with installation piece (5) on another in shell (2), be provided with positioning groove (51) on installation piece (5), installation piece (5) can by insertion groove (41) remove extremely in constant head tank (42), just positioning lug (44) with positioning groove (51) joint.

2. The air cleaner according to claim 1, wherein the mounting groove (4) further includes a guide groove (43), the guide groove (43) is obliquely disposed, and both ends of the guide groove (43) communicate with the insertion groove (41) and the positioning groove (42), respectively, and the mounting block (5) can be moved to the positioning groove (42) through the insertion groove (41) and the guide groove (43) in sequence.

3. The air cleaner according to claim 1, wherein the mounting block (5) abuts the positioning groove (42) in the circumferential direction of the filter element (1) when the positioning projection (44) is engaged with the positioning groove (51).

4. The air cleaner according to claim 1, wherein the height of the positioning projection (44) protruding from the inner wall of the positioning groove (42) is H, and H is greater than or equal to 0.5mm and less than or equal to 1.5 mm.

5. An air cleaner according to claim 4 wherein H-1 mm.

6. The air cleaner according to claim 1, wherein a plurality of the mounting grooves (4) are uniformly distributed on the filter element (1) along the circumferential direction of the filter element (1); follow the circumference of shell (2), it is a plurality of installation piece (5) equipartition in on the inner wall of shell (2), it is a plurality of installation piece (5) and a plurality of mounting groove (4) one-to-one sets up.

7. The air cleaner according to claim 1, further comprising a sealing ring (3), wherein the sealing ring (3) is made of an elastic material and abuts against the filter element (1) and the housing (2), respectively.

8. An engine assembly comprising an air cleaner according to any one of claims 1 to 7.

9. An automobile comprising the engine assembly of claim 8.