CN214366452U - Air filter and engine - Google Patents

Abstract

The utility model discloses an air filter and an engine, wherein the air filter comprises a shell, a pre-filter element, a main filter element and a sealing structure; the pre-filter element and the main filter element are sequentially arranged in the shell along the direction from the inlet of the shell to the outlet of the shell, and the pre-filter element and the main filter element are in interference fit with the inner wall of the shell; the bottom of casing has been seted up the ash hole, and the ash hole is located the juncture below of prefilter core and main filter core and is partial to the side of prefilter core in advance, dismantles prefilter core back, and the dust spills from the ash hole. When dismantling prefilter core, the dust can be pushed out by prefilter core, takes out some dust in the casing, and remaining dust can be cleaned through the dust discharge hole and discharged, has reduced the degree of difficulty that cleans of dust in the empty filter casing.

Description

Air filter and engine

Technical Field

The utility model belongs to the technical field of the engine technique and specifically relates to an empty filter and engine are related to.

Background

At present, there is not the ash discharge structure on the empty filter casing on the existing market, empty filter casing space is limited, and when empty filter dismantles the clearance and maintains, a part dust is piled up the casing lower part or is attached to on the casing, because shell structure is longer, leads to the dust of empty filter casing (especially being close to the gas outlet) to clean scheduling problem hardly.

Therefore, how to reduce the difficulty of cleaning dust in the air filter housing is a technical problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the first objective of the present invention is to provide an air filter to reduce the difficulty of cleaning dust in the air filter housing.

A second object of the present invention is to provide an engine.

In order to achieve the first object, the present invention provides the following solutions:

an air filter comprises a shell, a pre-filter element, a main filter element and a sealing structure;

the pre-filter element and the main filter element are sequentially arranged in the shell along the direction from the inlet of the shell to the outlet of the shell, and the pre-filter element and the main filter element are in interference fit with the inner wall of the shell;

the bottom of casing has been seted up the ash hole, the ash hole is located prefilter core with the below of the juncture of main filter core, and be partial to the side of prefilter core, seal structure can dismantle and seal the ash hole.

In a specific embodiment, the sealing structure is a rubber protrusion arranged at the head end of the main filter element;

when the main filter element is installed in place, the rubber bulge seals the ash discharge hole.

In another specific embodiment, the rubber bumps are ring-shaped.

In another specific embodiment, the sealing structure is a rubber plug which can be detachably sealed and is arranged at the bottom end of the ash discharging hole.

In another specific embodiment, the number of the dust discharge holes is at least 1.

In another specific embodiment, the dust discharge holes are circular holes, square holes or kidney-shaped holes.

In another specific embodiment, the air filter further comprises a receiver;

the receiver sets up the bottom in ash discharge hole is used for accomodating ash discharge hole exhaust dust.

In another specific embodiment, the storage box is detachably mounted at the bottom end of the shell.

In another specific embodiment, the air filter further comprises a safety filter element;

the safety filter element is arranged in the shell, the inlet of the shell is arranged in the outlet direction of the shell, and the safety filter element is arranged at the tail end of the main filter element.

According to the utility model discloses an each embodiment can make up as required wantonly, and the embodiment that obtains after these combinations is also in the utility model discloses the scope is the utility model discloses a part of the concrete implementation mode.

The utility model discloses a concrete embodiment, when dismantling empty filter, because the dust discharge hole is seted up in main filter core and prefilter core juncture below and to the side of prefilter core partially, dismantle prefilter core back, the dust spills from the dust discharge hole. When dismantling prefilter core, the dust can be pushed out by prefilter core, takes out some dust in the casing, and remaining dust can be cleaned through the dust discharge hole and discharged, has reduced the degree of difficulty that cleans of dust in the empty filter casing.

In order to achieve the second objective, the present invention provides the following solutions:

an engine comprising an air filter as claimed in any preceding claim.

Because the utility model provides an engine includes the empty filter in the above-mentioned arbitrary one, consequently, the beneficial effect that empty filter had all is the utility model provides an engine contains.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without any novelty.

Fig. 1 is a schematic cross-sectional structural view of an air filter provided by the present invention;

fig. 2 is a schematic view of a partial cross-sectional structure of an air filter provided by the present invention;

fig. 3 is a schematic structural diagram of the air filter provided by the present invention.

Wherein, in fig. 1-3:

the filter comprises a shell 1, a pre-filtering core 2, a main filter core 3, an ash discharge hole 4 and a rubber bulge 5.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to fig. 1 to 3 and the detailed description.

As shown in fig. 1 to 3, an aspect of the present invention provides an air filter, wherein the air filter includes a housing 1, a pre-filter element 2, a main filter element 3, and a sealing structure.

Along the direction from the inlet of the shell 1 to the outlet of the shell 1, the pre-filter element 2 and the main filter element 3 are sequentially arranged in the shell 1, and the pre-filter element 2 and the main filter element 3 are in interference fit with the inner wall of the shell 1.

Dust discharging hole 4 has been seted up to the bottom of casing 1, and dust discharging hole 4 is located the below of the juncture of prefilter core 2 and main filter core 3 in advance, and the side of deviant prefilter core 2, and sealed dust discharging hole 4 can be dismantled to seal structure. The sealing structure is opened when the prefilter element 2 is detached, and during use, the sealing structure seals the dust discharge hole 4, so that external dust is prevented from entering the air filter shell 1 from the dust discharge hole 4.

The dust discharge hole 4 is not limited to a position below the junction between the prefilter element 2 and the main filter element 3, and may be located on the side closer to the prefilter element 2, or the like.

When dismantling empty filter, because arrange grey hole 4 and offer in the below of main filter core 3 with 2 junctures of prefilter, and incline to prefilter core 2 that side, consequently, when dismantling prefilter core 2, the dust can be pushed out by prefilter core 2, takes out a part of dust in the casing 1, and remaining dust can be cleaned the discharge through arranging grey hole 4, has reduced the degree of difficulty that cleans of dust in empty filter casing 1.

In some embodiments, the sealing structure is a rubber protrusion 5 disposed at the head end of the main filter element 3, and it should be noted that the head end of the main filter element 3 refers to the end of the main filter element 3 facing the pre-filter element 2.

When the main filter element 3 is mounted in place, the rubber bulge 5 seals the dust discharge hole 4. The rubber bulge 5 has certain elasticity, and is convenient for blocking the dust discharge hole 4 along with the main filter element 3. It should be noted that the rubber bumps 5 may be replaced by other elastic members.

Further, the utility model discloses a protruding 5 of rubber is cyclic annular, and protruding 5 annular equipartitions of rubber need not consider whether protruding 5 of rubber can aim at dust exhaust hole 4, the installation of being convenient for in the week of installation main filter core 3 promptly on main filter core 3.

In other embodiments, the sealing structure is a rubber plug which is detachably and hermetically arranged at the bottom end of the ash discharging hole 4. The rubber buffer and 4 interference fits in dust discharge hole, avoid the rubber buffer to drop. The seal structure may have other structures.

In some embodiments, the number of the dust discharge holes 4 is at least 1, and it should be noted that the number of the dust discharge holes 4 is not limited and can be set as required. In order to increase the ash discharge efficiency, a plurality of ash discharge holes 4 may be provided.

Further, the utility model discloses an ash discharge hole 4 is circular hole, square hole or waist type hole, and it should be explained that ash discharge hole 4 also can be anomalous shape such as dysmorphism.

In some embodiments, empty filter still includes the receiver, and the receiver setting is in the bottom of dust discharge hole 4 for take in the 4 exhaust dust of dust discharge hole, avoid the dust to fall outside, polluted environment. The storage box is not limited in shape, and may be a square box, a circular box, or a box body with other shapes.

Further, the utility model discloses a receiver demountable installation is in casing 1's bottom, and the receiver can the joint in casing 1's bottom, also can be the bottom of fixing at casing 1 such as screw.

The storage box may also contain an absorbing layer. The absorption layer may be a stacked material layer of activated carbon or the like.

In some embodiments, the air filter further comprises a safety filter element disposed inside the housing 1 and in the direction from the inlet of the housing 1 to the outlet of the housing 1, the safety filter element being disposed at the end of the main filter element 3. The arrangement of the safety filter element further improves the filtering capacity of the air filter.

The utility model discloses guaranteeing under the sealed prerequisite of empty filter, the row's ash hole 4 on the empty filter casing of design has solved the difficult problem of empty filter casing 1 row ash effectively, can automatic discharge partly dust in the in-process of clearance dust, and the dust operation in the empty filter casing of clearance 1 is swiftly convenient.

Another aspect of the present invention provides an engine, comprising an air filter as described in any one of the above embodiments.

Because the utility model provides an engine includes the empty filter in any one of above-mentioned embodiment, consequently, the beneficial effect that empty filter had all is the utility model provides an engine contains.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in an article or device that comprises the element.

The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the core concepts of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (10)

1. An air filter is characterized by comprising a shell, a pre-filter element, a main filter element and a sealing structure;

the pre-filter element and the main filter element are sequentially arranged in the shell along the direction from the inlet of the shell to the outlet of the shell, and the pre-filter element and the main filter element are in interference fit with the inner wall of the shell;

the bottom of casing has been seted up the ash hole, the ash hole is located prefilter core with the below of the juncture of main filter core, and be partial to the side of prefilter core, seal structure can dismantle and seal the ash hole.

2. The air filter according to claim 1, wherein the sealing structure is a rubber protrusion disposed at the head end of the main filter element;

when the main filter element is installed in place, the rubber bulge seals the ash discharge hole.

3. The air filter according to claim 2, wherein the rubber protrusion is ring-shaped.

4. The air filter of claim 1, wherein the sealing structure is a rubber plug which is detachably and hermetically mounted at the bottom end of the ash discharge hole.

5. The air filter according to claim 1, wherein the number of the dust discharge holes is at least 1.

6. The air filter according to claim 1, wherein the dust discharge holes are circular holes, square holes or kidney-shaped holes.

7. The air filter of claim 1, further comprising a storage box;

the receiver sets up the bottom in ash discharge hole is used for accomodating ash discharge hole exhaust dust.

8. The air filter of claim 7, wherein the receiver is removably mounted to the bottom end of the housing.

9. An air filter according to any one of claims 1-8, further comprising a safety filter element;

the safety filter element is arranged in the shell, the inlet of the shell is arranged in the outlet direction of the shell, and the safety filter element is arranged at the tail end of the main filter element.

10. An engine comprising an air filter according to any one of claims 1 to 9.

Images